diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-03-28 14:30:41 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-03-28 14:30:41 +1000 |
| commit | 2b4f44eec2be2688511c2b617d0e1b4f94c45ba4 (patch) | |
| tree | 533c03602f4ae6d6404db6fa56c88e6f83e1bebe /drivers | |
| parent | 33d009cd889490838c5db9b9339856c9e3d3facc (diff) | |
| parent | 3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (diff) | |
| download | op-kernel-dev-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.zip op-kernel-dev-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.tar.gz | |
Backmerge tag 'v4.16-rc7' into drm-next
Linux 4.16-rc7
This was requested by Daniel, and things were getting
a bit hard to reconcile, most of the conflicts were
trivial though.
Diffstat (limited to 'drivers')
607 files changed, 6184 insertions, 4593 deletions
diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c index 11b113f..ebb626f 100644 --- a/drivers/acpi/acpi_watchdog.c +++ b/drivers/acpi/acpi_watchdog.c @@ -74,10 +74,10 @@ void __init acpi_watchdog_init(void) res.start = gas->address; if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { res.flags = IORESOURCE_MEM; - res.end = res.start + ALIGN(gas->access_width, 4); + res.end = res.start + ALIGN(gas->access_width, 4) - 1; } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { res.flags = IORESOURCE_IO; - res.end = res.start + gas->access_width; + res.end = res.start + gas->access_width - 1; } else { pr_warn("Unsupported address space: %u\n", gas->space_id); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7128488..f2eb6c3 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -70,7 +70,6 @@ static async_cookie_t async_cookie; static bool battery_driver_registered; static int battery_bix_broken_package; static int battery_notification_delay_ms; -static int battery_full_discharging; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -215,12 +214,9 @@ static int acpi_battery_get_property(struct power_supply *psy, return -ENODEV; switch (psp) { case POWER_SUPPLY_PROP_STATUS: - if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) { - if (battery_full_discharging && battery->rate_now == 0) - val->intval = POWER_SUPPLY_STATUS_FULL; - else - val->intval = POWER_SUPPLY_STATUS_DISCHARGING; - } else if (battery->state & ACPI_BATTERY_STATE_CHARGING) + if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + else if (battery->state & ACPI_BATTERY_STATE_CHARGING) val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (acpi_battery_is_charged(battery)) val->intval = POWER_SUPPLY_STATUS_FULL; @@ -1170,12 +1166,6 @@ battery_notification_delay_quirk(const struct dmi_system_id *d) return 0; } -static int __init battery_full_discharging_quirk(const struct dmi_system_id *d) -{ - battery_full_discharging = 1; - return 0; -} - static const struct dmi_system_id bat_dmi_table[] __initconst = { { .callback = battery_bix_broken_package_quirk, @@ -1193,38 +1183,6 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"), }, }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS GL502VSK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "GL502VSK"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX305LA", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX305LA"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX360UA", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX360UA"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX410UAK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX410UAK"), - }, - }, {}, }; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 676c978..0dad0bd 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -660,13 +660,15 @@ struct acpi_device *acpi_companion_match(const struct device *dev) * acpi_of_match_device - Match device object using the "compatible" property. * @adev: ACPI device object to match. * @of_match_table: List of device IDs to match against. + * @of_id: OF ID if matched * * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of * identifiers and a _DSD object with the "compatible" property, use that * property to match against the given list of identifiers. */ static bool acpi_of_match_device(struct acpi_device *adev, - const struct of_device_id *of_match_table) + const struct of_device_id *of_match_table, + const struct of_device_id **of_id) { const union acpi_object *of_compatible, *obj; int i, nval; @@ -690,8 +692,11 @@ static bool acpi_of_match_device(struct acpi_device *adev, const struct of_device_id *id; for (id = of_match_table; id->compatible[0]; id++) - if (!strcasecmp(obj->string.pointer, id->compatible)) + if (!strcasecmp(obj->string.pointer, id->compatible)) { + if (of_id) + *of_id = id; return true; + } } return false; @@ -762,10 +767,11 @@ static bool __acpi_match_device_cls(const struct acpi_device_id *id, return true; } -static const struct acpi_device_id *__acpi_match_device( - struct acpi_device *device, - const struct acpi_device_id *ids, - const struct of_device_id *of_ids) +static bool __acpi_match_device(struct acpi_device *device, + const struct acpi_device_id *acpi_ids, + const struct of_device_id *of_ids, + const struct acpi_device_id **acpi_id, + const struct of_device_id **of_id) { const struct acpi_device_id *id; struct acpi_hardware_id *hwid; @@ -775,30 +781,32 @@ static const struct acpi_device_id *__acpi_match_device( * driver for it. */ if (!device || !device->status.present) - return NULL; + return false; list_for_each_entry(hwid, &device->pnp.ids, list) { /* First, check the ACPI/PNP IDs provided by the caller. */ - for (id = ids; id->id[0] || id->cls; id++) { - if (id->id[0] && !strcmp((char *) id->id, hwid->id)) - return id; - else if (id->cls && __acpi_match_device_cls(id, hwid)) - return id; + if (acpi_ids) { + for (id = acpi_ids; id->id[0] || id->cls; id++) { + if (id->id[0] && !strcmp((char *)id->id, hwid->id)) + goto out_acpi_match; + if (id->cls && __acpi_match_device_cls(id, hwid)) + goto out_acpi_match; + } } /* * Next, check ACPI_DT_NAMESPACE_HID and try to match the * "compatible" property if found. - * - * The id returned by the below is not valid, but the only - * caller passing non-NULL of_ids here is only interested in - * whether or not the return value is NULL. */ - if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) - && acpi_of_match_device(device, of_ids)) - return id; + if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id)) + return acpi_of_match_device(device, of_ids, of_id); } - return NULL; + return false; + +out_acpi_match: + if (acpi_id) + *acpi_id = id; + return true; } /** @@ -815,32 +823,29 @@ static const struct acpi_device_id *__acpi_match_device( const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev) { - return __acpi_match_device(acpi_companion_match(dev), ids, NULL); + const struct acpi_device_id *id = NULL; + + __acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL); + return id; } EXPORT_SYMBOL_GPL(acpi_match_device); -void *acpi_get_match_data(const struct device *dev) +const void *acpi_device_get_match_data(const struct device *dev) { const struct acpi_device_id *match; - if (!dev->driver) - return NULL; - - if (!dev->driver->acpi_match_table) - return NULL; - match = acpi_match_device(dev->driver->acpi_match_table, dev); if (!match) return NULL; - return (void *)match->driver_data; + return (const void *)match->driver_data; } -EXPORT_SYMBOL_GPL(acpi_get_match_data); +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { - return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; + return __acpi_match_device(device, ids, NULL, NULL, NULL) ? 0 : -ENOENT; } EXPORT_SYMBOL(acpi_match_device_ids); @@ -849,10 +854,12 @@ bool acpi_driver_match_device(struct device *dev, { if (!drv->acpi_match_table) return acpi_of_match_device(ACPI_COMPANION(dev), - drv->of_match_table); + drv->of_match_table, + NULL); - return !!__acpi_match_device(acpi_companion_match(dev), - drv->acpi_match_table, drv->of_match_table); + return __acpi_match_device(acpi_companion_match(dev), + drv->acpi_match_table, drv->of_match_table, + NULL, NULL); } EXPORT_SYMBOL_GPL(acpi_driver_match_device); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d9f38c6..30a5729 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1927,6 +1927,9 @@ static int acpi_ec_suspend_noirq(struct device *dev) ec->reference_count >= 1) acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE); + if (acpi_sleep_no_ec_events()) + acpi_ec_enter_noirq(ec); + return 0; } @@ -1934,6 +1937,9 @@ static int acpi_ec_resume_noirq(struct device *dev) { struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev)); + if (acpi_sleep_no_ec_events()) + acpi_ec_leave_noirq(ec); + if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) && ec->reference_count >= 1) acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE); diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index bbe48ad..eb09ef5 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2675,10 +2675,14 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, else ndr_desc->numa_node = NUMA_NO_NODE; - if(acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH) + /* + * Persistence domain bits are hierarchical, if + * ACPI_NFIT_CAPABILITY_CACHE_FLUSH is set then + * ACPI_NFIT_CAPABILITY_MEM_FLUSH is implied. + */ + if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH) set_bit(ND_REGION_PERSIST_CACHE, &ndr_desc->flags); - - if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH) + else if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH) set_bit(ND_REGION_PERSIST_MEMCTRL, &ndr_desc->flags); list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 8ccaae3..8516760 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -103,25 +103,27 @@ int acpi_map_pxm_to_node(int pxm) */ int acpi_map_pxm_to_online_node(int pxm) { - int node, n, dist, min_dist; + int node, min_node; node = acpi_map_pxm_to_node(pxm); if (node == NUMA_NO_NODE) node = 0; + min_node = node; if (!node_online(node)) { - min_dist = INT_MAX; + int min_dist = INT_MAX, dist, n; + for_each_online_node(n) { dist = node_distance(node, n); if (dist < min_dist) { min_dist = dist; - node = n; + min_node = n; } } } - return node; + return min_node; } EXPORT_SYMBOL(acpi_map_pxm_to_online_node); diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 466d150..5815356 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1271,11 +1271,11 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return 0; } -static void * +static const void * acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, const struct device *dev) { - return acpi_get_match_data(dev); + return acpi_device_get_match_data(dev); } #define DECLARE_ACPI_FWNODE_OPS(ops) \ diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index 89e97d2..9d52743 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -115,6 +115,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console) table->serial_port.access_width))) { default: pr_err("Unexpected SPCR Access Width. Defaulting to byte size\n"); + /* fall through */ case 8: iotype = "mmio"; break; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 15e3d3c..764b63a 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -1991,8 +1991,14 @@ static void binder_send_failed_reply(struct binder_transaction *t, &target_thread->reply_error.work); wake_up_interruptible(&target_thread->wait); } else { - WARN(1, "Unexpected reply error: %u\n", - target_thread->reply_error.cmd); + /* + * Cannot get here for normal operation, but + * we can if multiple synchronous transactions + * are sent without blocking for responses. + * Just ignore the 2nd error in this case. + */ + pr_warn("Unexpected reply error: %u\n", + target_thread->reply_error.cmd); } binder_inner_proc_unlock(target_thread->proc); binder_thread_dec_tmpref(target_thread); @@ -2193,7 +2199,7 @@ static void binder_transaction_buffer_release(struct binder_proc *proc, int debug_id = buffer->debug_id; binder_debug(BINDER_DEBUG_TRANSACTION, - "%d buffer release %d, size %zd-%zd, failed at %p\n", + "%d buffer release %d, size %zd-%zd, failed at %pK\n", proc->pid, buffer->debug_id, buffer->data_size, buffer->offsets_size, failed_at); @@ -3705,7 +3711,7 @@ static int binder_thread_write(struct binder_proc *proc, } } binder_debug(BINDER_DEBUG_DEAD_BINDER, - "%d:%d BC_DEAD_BINDER_DONE %016llx found %p\n", + "%d:%d BC_DEAD_BINDER_DONE %016llx found %pK\n", proc->pid, thread->pid, (u64)cookie, death); if (death == NULL) { @@ -4376,6 +4382,15 @@ static int binder_thread_release(struct binder_proc *proc, binder_inner_proc_unlock(thread->proc); + /* + * This is needed to avoid races between wake_up_poll() above and + * and ep_remove_waitqueue() called for other reasons (eg the epoll file + * descriptor being closed); ep_remove_waitqueue() holds an RCU read + * lock, so we can be sure it's done after calling synchronize_rcu(). + */ + if (thread->looper & BINDER_LOOPER_STATE_POLL) + synchronize_rcu(); + if (send_reply) binder_send_failed_reply(send_reply, BR_DEAD_REPLY); binder_release_work(proc, &thread->todo); @@ -4391,6 +4406,8 @@ static __poll_t binder_poll(struct file *filp, bool wait_for_proc_work; thread = binder_get_thread(proc); + if (!thread) + return POLLERR; binder_inner_proc_lock(thread->proc); thread->looper |= BINDER_LOOPER_STATE_POLL; @@ -5034,7 +5051,7 @@ static void print_binder_transaction_ilocked(struct seq_file *m, spin_lock(&t->lock); to_proc = t->to_proc; seq_printf(m, - "%s %d: %p from %d:%d to %d:%d code %x flags %x pri %ld r%d", + "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %ld r%d", prefix, t->debug_id, t, t->from ? t->from->proc->pid : 0, t->from ? t->from->pid : 0, @@ -5058,7 +5075,7 @@ static void print_binder_transaction_ilocked(struct seq_file *m, } if (buffer->target_node) seq_printf(m, " node %d", buffer->target_node->debug_id); - seq_printf(m, " size %zd:%zd data %p\n", + seq_printf(m, " size %zd:%zd data %pK\n", buffer->data_size, buffer->offsets_size, buffer->data); } diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 355a95a..1ff1779 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -550,7 +550,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230), .driver_data = board_ahci_yes_fbs }, - { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), + { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */ + .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */ .driver_data = board_ahci_yes_fbs }, /* Promise */ diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index a0de7a3..7adcf3c 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -665,6 +665,16 @@ int ahci_stop_engine(struct ata_port *ap) if ((tmp & (PORT_CMD_START | PORT_CMD_LIST_ON)) == 0) return 0; + /* + * Don't try to issue commands but return with ENODEV if the + * AHCI controller not available anymore (e.g. due to PCIe hot + * unplugging). Otherwise a 500ms delay for each port is added. + */ + if (tmp == 0xffffffff) { + dev_err(ap->host->dev, "AHCI controller unavailable!\n"); + return -ENODEV; + } + /* setting HBA to idle */ tmp &= ~PORT_CMD_START; writel(tmp, port_mmio + PORT_CMD); diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 341d0ef..30cc8f1 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -340,7 +340,7 @@ static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port, * 2) regulator for controlling the targets power (optional) * 3) 0 - AHCI_MAX_CLKS clocks, as specified in the devs devicetree node, * or for non devicetree enabled platforms a single clock - * 4) phys (optional) + * 4) phys (optional) * * RETURNS: * The allocated ahci_host_priv on success, otherwise an ERR_PTR value diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3c09122..7431ccd 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4530,6 +4530,25 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER }, { "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER }, + /* Crucial BX100 SSD 500GB has broken LPM support */ + { "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM }, + + /* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */ + { "Crucial_CT512MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | + ATA_HORKAGE_ZERO_AFTER_TRIM | + ATA_HORKAGE_NOLPM, }, + /* 512GB MX100 with newer firmware has only LPM issues */ + { "Crucial_CT512MX100*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM | + ATA_HORKAGE_NOLPM, }, + + /* 480GB+ M500 SSDs have both queued TRIM and LPM issues */ + { "Crucial_CT480M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + ATA_HORKAGE_ZERO_AFTER_TRIM | + ATA_HORKAGE_NOLPM, }, + { "Crucial_CT960M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + ATA_HORKAGE_ZERO_AFTER_TRIM | + ATA_HORKAGE_NOLPM, }, + /* devices that don't properly handle queued TRIM commands */ { "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, @@ -4541,7 +4560,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, - { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + { "Samsung SSD 840*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + ATA_HORKAGE_ZERO_AFTER_TRIM, }, + { "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, @@ -5401,8 +5422,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc) * We guarantee to LLDs that they will have at least one * non-zero sg if the command is a data command. */ - if (WARN_ON_ONCE(ata_is_data(prot) && - (!qc->sg || !qc->n_elem || !qc->nbytes))) + if (ata_is_data(prot) && (!qc->sg || !qc->n_elem || !qc->nbytes)) goto sys_err; if (ata_is_dma(prot) || (ata_is_pio(prot) && diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 11c3137..c016829 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -815,7 +815,8 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap) if (ap->pflags & ATA_PFLAG_LOADING) ap->pflags &= ~ATA_PFLAG_LOADING; - else if (ap->pflags & ATA_PFLAG_SCSI_HOTPLUG) + else if ((ap->pflags & ATA_PFLAG_SCSI_HOTPLUG) && + !(ap->flags & ATA_FLAG_SAS_HOST)) schedule_delayed_work(&ap->hotplug_task, 0); if (ap->pflags & ATA_PFLAG_RECOVERED) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 66be961..89a9d4a 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3316,6 +3316,12 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) goto invalid_fld; } + /* We may not issue NCQ commands to devices not supporting NCQ */ + if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) { + fp = 1; + goto invalid_fld; + } + /* sanity check for pio multi commands */ if ((cdb[1] & 0xe0) && !is_multi_taskfile(tf)) { fp = 1; @@ -4282,7 +4288,7 @@ static inline void ata_scsi_dump_cdb(struct ata_port *ap, #ifdef ATA_DEBUG struct scsi_device *scsidev = cmd->device; - DPRINTK("CDB (%u:%d,%d,%d) %9ph\n", + DPRINTK("CDB (%u:%d,%d,%lld) %9ph\n", ap->print_id, scsidev->channel, scsidev->id, scsidev->lun, cmd->cmnd); @@ -4309,7 +4315,9 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, if (likely((scsi_op != ATA_16) || !atapi_passthru16)) { /* relay SCSI command to ATAPI device */ int len = COMMAND_SIZE(scsi_op); - if (unlikely(len > scmd->cmd_len || len > dev->cdb_len)) + if (unlikely(len > scmd->cmd_len || + len > dev->cdb_len || + scmd->cmd_len > ATAPI_CDB_LEN)) goto bad_cdb_len; xlat_func = atapi_xlat; diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 80ee2f2..6456e07 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -146,6 +146,7 @@ enum sata_rcar_type { RCAR_GEN1_SATA, RCAR_GEN2_SATA, + RCAR_GEN3_SATA, RCAR_R8A7790_ES1_SATA, }; @@ -784,26 +785,11 @@ static void sata_rcar_setup_port(struct ata_host *host) ioaddr->command_addr = ioaddr->cmd_addr + (ATA_REG_CMD << 2); } -static void sata_rcar_init_controller(struct ata_host *host) +static void sata_rcar_init_module(struct sata_rcar_priv *priv) { - struct sata_rcar_priv *priv = host->private_data; void __iomem *base = priv->base; u32 val; - /* reset and setup phy */ - switch (priv->type) { - case RCAR_GEN1_SATA: - sata_rcar_gen1_phy_init(priv); - break; - case RCAR_GEN2_SATA: - case RCAR_R8A7790_ES1_SATA: - sata_rcar_gen2_phy_init(priv); - break; - default: - dev_warn(host->dev, "SATA phy is not initialized\n"); - break; - } - /* SATA-IP reset state */ val = ioread32(base + ATAPI_CONTROL1_REG); val |= ATAPI_CONTROL1_RESET; @@ -824,10 +810,33 @@ static void sata_rcar_init_controller(struct ata_host *host) /* ack and mask */ iowrite32(0, base + SATAINTSTAT_REG); iowrite32(0x7ff, base + SATAINTMASK_REG); + /* enable interrupts */ iowrite32(ATAPI_INT_ENABLE_SATAINT, base + ATAPI_INT_ENABLE_REG); } +static void sata_rcar_init_controller(struct ata_host *host) +{ + struct sata_rcar_priv *priv = host->private_data; + + /* reset and setup phy */ + switch (priv->type) { + case RCAR_GEN1_SATA: + sata_rcar_gen1_phy_init(priv); + break; + case RCAR_GEN2_SATA: + case RCAR_GEN3_SATA: + case RCAR_R8A7790_ES1_SATA: + sata_rcar_gen2_phy_init(priv); + break; + default: + dev_warn(host->dev, "SATA phy is not initialized\n"); + break; + } + + sata_rcar_init_module(priv); +} + static const struct of_device_id sata_rcar_match[] = { { /* Deprecated by "renesas,sata-r8a7779" */ @@ -856,7 +865,7 @@ static const struct of_device_id sata_rcar_match[] = { }, { .compatible = "renesas,sata-r8a7795", - .data = (void *)RCAR_GEN2_SATA + .data = (void *)RCAR_GEN3_SATA }, { .compatible = "renesas,rcar-gen2-sata", @@ -864,7 +873,7 @@ static const struct of_device_id sata_rcar_match[] = { }, { .compatible = "renesas,rcar-gen3-sata", - .data = (void *)RCAR_GEN2_SATA + .data = (void *)RCAR_GEN3_SATA }, { }, }; @@ -982,11 +991,18 @@ static int sata_rcar_resume(struct device *dev) if (ret) return ret; - /* ack and mask */ - iowrite32(0, base + SATAINTSTAT_REG); - iowrite32(0x7ff, base + SATAINTMASK_REG); - /* enable interrupts */ - iowrite32(ATAPI_INT_ENABLE_SATAINT, base + ATAPI_INT_ENABLE_REG); + if (priv->type == RCAR_GEN3_SATA) { + sata_rcar_gen2_phy_init(priv); + sata_rcar_init_module(priv); + } else { + /* ack and mask */ + iowrite32(0, base + SATAINTSTAT_REG); + iowrite32(0x7ff, base + SATAINTMASK_REG); + + /* enable interrupts */ + iowrite32(ATAPI_INT_ENABLE_SATAINT, + base + ATAPI_INT_ENABLE_REG); + } ata_host_resume(host); diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index 9180b9bd..8345095 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -97,7 +97,7 @@ static struct img_ascii_lcd_config boston_config = { static void malta_update(struct img_ascii_lcd_ctx *ctx) { unsigned int i; - int err; + int err = 0; for (i = 0; i < ctx->cfg->num_chars; i++) { err = regmap_write(ctx->regmap, @@ -180,7 +180,7 @@ static int sead3_wait_lcd_idle(struct img_ascii_lcd_ctx *ctx) static void sead3_update(struct img_ascii_lcd_ctx *ctx) { unsigned int i; - int err; + int err = 0; for (i = 0; i < ctx->cfg->num_chars; i++) { err = sead3_wait_lcd_idle(ctx); @@ -224,7 +224,7 @@ MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches); /** * img_ascii_lcd_scroll() - scroll the display by a character - * @arg: really a pointer to the private data structure + * @t: really a pointer to the private data structure * * Scroll the current message along the LCD by one character, rearming the * timer if required. diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index ea7869c..ec5e880 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1372,7 +1372,7 @@ static void panel_process_inputs(void) break; input->rise_timer = 0; input->state = INPUT_ST_RISING; - /* no break here, fall through */ + /* fall through */ case INPUT_ST_RISING: if ((phys_curr & input->mask) != input->value) { input->state = INPUT_ST_LOW; @@ -1385,11 +1385,11 @@ static void panel_process_inputs(void) } input->high_timer = 0; input->state = INPUT_ST_HIGH; - /* no break here, fall through */ + /* fall through */ case INPUT_ST_HIGH: if (input_state_high(input)) break; - /* no break here, fall through */ + /* fall through */ case INPUT_ST_FALLING: input_state_falling(input); } diff --git a/drivers/base/core.c b/drivers/base/core.c index b2261f9..5847364 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -310,6 +310,9 @@ static void __device_link_del(struct device_link *link) dev_info(link->consumer, "Dropping the link to %s\n", dev_name(link->supplier)); + if (link->flags & DL_FLAG_PM_RUNTIME) + pm_runtime_drop_link(link->consumer); + list_del(&link->s_node); list_del(&link->c_node); device_link_free(link); diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index a8ac86e..6637fc3 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -321,7 +321,8 @@ void dev_pm_arm_wake_irq(struct wake_irq *wirq) return; if (device_may_wakeup(wirq->dev)) { - if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED) + if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED && + !pm_runtime_status_suspended(wirq->dev)) enable_irq(wirq->irq); enable_irq_wake(wirq->irq); @@ -343,7 +344,8 @@ void dev_pm_disarm_wake_irq(struct wake_irq *wirq) if (device_may_wakeup(wirq->dev)) { disable_irq_wake(wirq->irq); - if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED) + if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED && + !pm_runtime_status_suspended(wirq->dev)) disable_irq_nosync(wirq->irq); } } diff --git a/drivers/base/property.c b/drivers/base/property.c index 3022362..8f205f6 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1410,9 +1410,8 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, } EXPORT_SYMBOL(fwnode_graph_parse_endpoint); -void *device_get_match_data(struct device *dev) +const void *device_get_match_data(struct device *dev) { - return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, - dev); + return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev); } EXPORT_SYMBOL_GPL(device_get_match_data); diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index e5aa62f..3aaf6af 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -1758,7 +1758,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) if (unit[drive].type->code == FD_NODRIVE) return NULL; *part = 0; - return get_disk(unit[drive].gendisk); + return get_disk_and_module(unit[drive].gendisk); } static int __init amiga_floppy_probe(struct platform_device *pdev) diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 8bc3b9f..dfb2c26 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1917,7 +1917,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) if (drive >= FD_MAX_UNITS || type > NUM_DISK_MINORS) return NULL; *part = 0; - return get_disk(unit[drive].disk); + return get_disk_and_module(unit[drive].disk); } static int __init atari_floppy_init (void) diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 8028a3a..deea78e 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -456,7 +456,7 @@ static struct kobject *brd_probe(dev_t dev, int *part, void *data) mutex_lock(&brd_devices_mutex); brd = brd_init_one(MINOR(dev) / max_part, &new); - kobj = brd ? get_disk(brd->brd_disk) : NULL; + kobj = brd ? get_disk_and_module(brd->brd_disk) : NULL; mutex_unlock(&brd_devices_mutex); if (new) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index eae484a..8ec7235 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4505,7 +4505,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type)) return NULL; *part = 0; - return get_disk(disks[drive]); + return get_disk_and_module(disks[drive]); } static int __init do_floppy_init(void) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index d5fe720..ee62d2d 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -266,7 +266,7 @@ static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos) struct iov_iter i; ssize_t bw; - iov_iter_bvec(&i, ITER_BVEC, bvec, 1, bvec->bv_len); + iov_iter_bvec(&i, ITER_BVEC | WRITE, bvec, 1, bvec->bv_len); file_start_write(file); bw = vfs_iter_write(file, &i, ppos, 0); @@ -1922,7 +1922,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data) if (err < 0) kobj = NULL; else - kobj = get_disk(lo->lo_disk); + kobj = get_disk_and_module(lo->lo_disk); mutex_unlock(&loop_index_mutex); *part = 0; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 5f2a424..86258b0 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1591,7 +1591,7 @@ again: if (new_index < 0) { mutex_unlock(&nbd_index_mutex); printk(KERN_ERR "nbd: failed to add new device\n"); - return ret; + return new_index; } nbd = idr_find(&nbd_index_idr, new_index); } diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 531a091..c61d20c 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1122,7 +1122,7 @@ static int pkt_start_recovery(struct packet_data *pkt) pkt->sector = new_sector; bio_reset(pkt->bio); - bio_set_set(pkt->bio, pd->bdev); + bio_set_dev(pkt->bio, pd->bdev); bio_set_op_attrs(pkt->bio, REQ_OP_WRITE, 0); pkt->bio->bi_iter.bi_sector = new_sector; pkt->bio->bi_iter.bi_size = pkt->frames * CD_FRAMESIZE; diff --git a/drivers/block/swim.c b/drivers/block/swim.c index 84434d3..64e066e 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -799,7 +799,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) return NULL; *part = 0; - return get_disk(swd->unit[drive].disk); + return get_disk_and_module(swd->unit[drive].disk); } static int swim_add_floppy(struct swim_priv *swd, enum drive_location location) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index e126e4c..92ec1bb 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -262,6 +262,7 @@ static DEFINE_SPINLOCK(minor_lock); static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo); static void blkfront_gather_backend_features(struct blkfront_info *info); +static int negotiate_mq(struct blkfront_info *info); static int get_id_from_freelist(struct blkfront_ring_info *rinfo) { @@ -1774,11 +1775,18 @@ static int talk_to_blkback(struct xenbus_device *dev, unsigned int i, max_page_order; unsigned int ring_page_order; + if (!info) + return -ENODEV; + max_page_order = xenbus_read_unsigned(info->xbdev->otherend, "max-ring-page-order", 0); ring_page_order = min(xen_blkif_max_ring_order, max_page_order); info->nr_ring_pages = 1 << ring_page_order; + err = negotiate_mq(info); + if (err) + goto destroy_blkring; + for (i = 0; i < info->nr_rings; i++) { struct blkfront_ring_info *rinfo = &info->rinfo[i]; @@ -1978,11 +1986,6 @@ static int blkfront_probe(struct xenbus_device *dev, } info->xbdev = dev; - err = negotiate_mq(info); - if (err) { - kfree(info); - return err; - } mutex_init(&info->mutex); info->vdevice = vdevice; @@ -2099,10 +2102,6 @@ static int blkfront_resume(struct xenbus_device *dev) blkif_free(info, info->connected == BLKIF_STATE_CONNECTED); - err = negotiate_mq(info); - if (err) - return err; - err = talk_to_blkback(dev, info); if (!err) blk_mq_update_nr_hw_queues(&info->tag_set, info->nr_rings); diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index 41c95c9..8f9130a 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -332,7 +332,7 @@ static const struct block_device_operations z2_fops = static struct kobject *z2_find(dev_t dev, int *part, void *data) { *part = 0; - return get_disk(z2ram_gendisk); + return get_disk_and_module(z2ram_gendisk); } static struct request_queue *z2_queue; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 2a55380..366a49c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -21,6 +21,7 @@ * */ +#include <linux/dmi.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/usb/quirks.h> @@ -230,7 +231,6 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, @@ -263,6 +263,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, /* QCA ROME chipset */ + { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME }, @@ -379,6 +380,21 @@ static const struct usb_device_id blacklist_table[] = { { } /* Terminating entry */ }; +/* The Bluetooth USB module build into some devices needs to be reset on resume, + * this is a problem with the platform (likely shutting off all power) not with + * the module itself. So we use a DMI list to match known broken platforms. + */ +static const struct dmi_system_id btusb_needs_reset_resume_table[] = { + { + /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), + }, + }, + {} +}; + #define BTUSB_MAX_ISOC_FRAMES 10 #define BTUSB_INTR_RUNNING 0 @@ -2945,6 +2961,9 @@ static int btusb_probe(struct usb_interface *intf, hdev->send = btusb_send_frame; hdev->notify = btusb_notify; + if (dmi_check_system(btusb_needs_reset_resume_table)) + interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; + #ifdef CONFIG_PM err = btusb_config_oob_wake(hdev); if (err) @@ -3031,12 +3050,6 @@ static int btusb_probe(struct usb_interface *intf, if (id->driver_info & BTUSB_QCA_ROME) { data->setup_on_usb = btusb_setup_qca; hdev->set_bdaddr = btusb_set_bdaddr_ath3012; - - /* QCA Rome devices lose their updated firmware over suspend, - * but the USB hub doesn't notice any status change. - * explicitly request a device reset on resume. - */ - interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; } #ifdef CONFIG_BT_HCIBTUSB_RTL diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 0438a64..40b9fb2 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -244,7 +244,9 @@ static irqreturn_t bcm_host_wake(int irq, void *data) bt_dev_dbg(bdev, "Host wake IRQ"); - pm_request_resume(bdev->dev); + pm_runtime_get(bdev->dev); + pm_runtime_mark_last_busy(bdev->dev); + pm_runtime_put_autosuspend(bdev->dev); return IRQ_HANDLED; } @@ -301,7 +303,7 @@ static const struct bcm_set_sleep_mode default_sleep_params = { .usb_auto_sleep = 0, .usb_resume_timeout = 0, .break_to_host = 0, - .pulsed_host_wake = 0, + .pulsed_host_wake = 1, }; static int bcm_setup_sleep(struct hci_uart *hu) @@ -586,8 +588,11 @@ static int bcm_recv(struct hci_uart *hu, const void *data, int count) } else if (!bcm->rx_skb) { /* Delay auto-suspend when receiving completed packet */ mutex_lock(&bcm_device_lock); - if (bcm->dev && bcm_device_exists(bcm->dev)) - pm_request_resume(bcm->dev->dev); + if (bcm->dev && bcm_device_exists(bcm->dev)) { + pm_runtime_get(bcm->dev->dev); + pm_runtime_mark_last_busy(bcm->dev->dev); + pm_runtime_put_autosuspend(bcm->dev->dev); + } mutex_unlock(&bcm_device_lock); } @@ -922,12 +927,13 @@ static int bcm_get_resources(struct bcm_device *dev) dev->clk = devm_clk_get(dev->dev, NULL); - dev->device_wakeup = devm_gpiod_get(dev->dev, "device-wakeup", - GPIOD_OUT_LOW); + dev->device_wakeup = devm_gpiod_get_optional(dev->dev, "device-wakeup", + GPIOD_OUT_LOW); if (IS_ERR(dev->device_wakeup)) return PTR_ERR(dev->device_wakeup); - dev->shutdown = devm_gpiod_get(dev->dev, "shutdown", GPIOD_OUT_LOW); + dev->shutdown = devm_gpiod_get_optional(dev->dev, "shutdown", + GPIOD_OUT_LOW); if (IS_ERR(dev->shutdown)) return PTR_ERR(dev->shutdown); diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 4d46003..cdaeeea 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -630,7 +630,7 @@ static int sysc_init_dts_quirks(struct sysc *ddata) for (i = 0; i < ARRAY_SIZE(sysc_dts_quirks); i++) { prop = of_get_property(np, sysc_dts_quirks[i].name, &len); if (!prop) - break; + continue; ddata->cfg.quirks |= sysc_dts_quirks[i].mask; } diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index d1f5bb5..6e9df55 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -162,7 +162,7 @@ static int via_rng_init(struct hwrng *rng) /* Enable secondary noise source on CPUs where it is present. */ /* Nehemiah stepping 8 and higher */ - if ((c->x86_model == 9) && (c->x86_mask > 7)) + if ((c->x86_model == 9) && (c->x86_stepping > 7)) lo |= VIA_NOISESRC2; /* Esther */ diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c index 4d1dc8b..f95b9c7 100644 --- a/drivers/char/tpm/st33zp24/st33zp24.c +++ b/drivers/char/tpm/st33zp24/st33zp24.c @@ -457,7 +457,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf, size_t count) { int size = 0; - int expected; + u32 expected; if (!chip) return -EBUSY; @@ -474,7 +474,7 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf, } expected = be32_to_cpu(*(__be32 *)(buf + 2)); - if (expected > count) { + if (expected > count || expected < TPM_HEADER_SIZE) { size = -EIO; goto out; } diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 76df4fb..9e80a95 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -1190,6 +1190,10 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max) break; recd = be32_to_cpu(tpm_cmd.params.getrandom_out.rng_data_len); + if (recd > num_bytes) { + total = -EFAULT; + break; + } rlength = be32_to_cpu(tpm_cmd.header.out.length); if (rlength < offsetof(struct tpm_getrandom_out, rng_data) + diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index c17e753..a700f8f 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -683,6 +683,10 @@ static int tpm2_unseal_cmd(struct tpm_chip *chip, if (!rc) { data_len = be16_to_cpup( (__be16 *) &buf.data[TPM_HEADER_SIZE + 4]); + if (data_len < MIN_KEY_SIZE || data_len > MAX_KEY_SIZE + 1) { + rc = -EFAULT; + goto out; + } rlength = be32_to_cpu(((struct tpm2_cmd *)&buf) ->header.out.length); diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c index c1dd39e..6116cd0 100644 --- a/drivers/char/tpm/tpm_i2c_infineon.c +++ b/drivers/char/tpm/tpm_i2c_infineon.c @@ -473,7 +473,8 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count) { int size = 0; - int expected, status; + int status; + u32 expected; if (count < TPM_HEADER_SIZE) { size = -EIO; @@ -488,7 +489,7 @@ static int tpm_tis_i2c_recv(struct tpm_chip *chip, u8 *buf, size_t count) } expected = be32_to_cpu(*(__be32 *)(buf + 2)); - if ((size_t) expected > count) { + if (((size_t) expected > count) || (expected < TPM_HEADER_SIZE)) { size = -EIO; goto out; } diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index c642877..caa86b1 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -281,7 +281,11 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) struct device *dev = chip->dev.parent; struct i2c_client *client = to_i2c_client(dev); s32 rc; - int expected, status, burst_count, retries, size = 0; + int status; + int burst_count; + int retries; + int size = 0; + u32 expected; if (count < TPM_HEADER_SIZE) { i2c_nuvoton_ready(chip); /* return to idle */ @@ -323,7 +327,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) * to machine native */ expected = be32_to_cpu(*(__be32 *) (buf + 2)); - if (expected > count) { + if (expected > count || expected < size) { dev_err(dev, "%s() expected > count\n", __func__); size = -EIO; continue; diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 183a5f5..da074e3 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -270,7 +270,8 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) { struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev); int size = 0; - int expected, status; + int status; + u32 expected; if (count < TPM_HEADER_SIZE) { size = -EIO; @@ -285,7 +286,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count) } expected = be32_to_cpu(*(__be32 *) (buf + 2)); - if (expected > count) { + if (expected > count || expected < TPM_HEADER_SIZE) { size = -EIO; goto out; } diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 44301a3..a07f645 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -449,17 +449,17 @@ struct bcm2835_pll_ana_bits { static const struct bcm2835_pll_ana_bits bcm2835_ana_default = { .mask0 = 0, .set0 = 0, - .mask1 = (u32)~(A2W_PLL_KI_MASK | A2W_PLL_KP_MASK), + .mask1 = A2W_PLL_KI_MASK | A2W_PLL_KP_MASK, .set1 = (2 << A2W_PLL_KI_SHIFT) | (8 << A2W_PLL_KP_SHIFT), - .mask3 = (u32)~A2W_PLL_KA_MASK, + .mask3 = A2W_PLL_KA_MASK, .set3 = (2 << A2W_PLL_KA_SHIFT), .fb_prediv_mask = BIT(14), }; static const struct bcm2835_pll_ana_bits bcm2835_ana_pllh = { - .mask0 = (u32)~(A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK), + .mask0 = A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK, .set0 = (2 << A2W_PLLH_KA_SHIFT) | (2 << A2W_PLLH_KI_LOW_SHIFT), - .mask1 = (u32)~(A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK), + .mask1 = A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK, .set1 = (6 << A2W_PLLH_KP_SHIFT), .mask3 = 0, .set3 = 0, @@ -623,8 +623,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) ~A2W_PLL_CTRL_PWRDN); /* Take the PLL out of reset. */ + spin_lock(&cprman->regs_lock); cprman_write(cprman, data->cm_ctrl_reg, cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST); + spin_unlock(&cprman->regs_lock); /* Wait for the PLL to lock. */ timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS); @@ -701,9 +703,11 @@ static int bcm2835_pll_set_rate(struct clk_hw *hw, } /* Unmask the reference clock from the oscillator. */ + spin_lock(&cprman->regs_lock); cprman_write(cprman, A2W_XOSC_CTRL, cprman_read(cprman, A2W_XOSC_CTRL) | data->reference_enable_mask); + spin_unlock(&cprman->regs_lock); if (do_ana_setup_first) bcm2835_pll_write_ana(cprman, data->ana_reg_base, ana); diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c index 9f7f931..5eb50c3 100644 --- a/drivers/clk/clk-aspeed.c +++ b/drivers/clk/clk-aspeed.c @@ -205,6 +205,18 @@ static const struct aspeed_clk_soc_data ast2400_data = { .calc_pll = aspeed_ast2400_calc_pll, }; +static int aspeed_clk_is_enabled(struct clk_hw *hw) +{ + struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw); + u32 clk = BIT(gate->clock_idx); + u32 enval = (gate->flags & CLK_GATE_SET_TO_DISABLE) ? 0 : clk; + u32 reg; + + regmap_read(gate->map, ASPEED_CLK_STOP_CTRL, ®); + + return ((reg & clk) == enval) ? 1 : 0; +} + static int aspeed_clk_enable(struct clk_hw *hw) { struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw); @@ -215,6 +227,11 @@ static int aspeed_clk_enable(struct clk_hw *hw) spin_lock_irqsave(gate->lock, flags); + if (aspeed_clk_is_enabled(hw)) { + spin_unlock_irqrestore(gate->lock, flags); + return 0; + } + if (gate->reset_idx >= 0) { /* Put IP in reset */ regmap_update_bits(gate->map, ASPEED_RESET_CTRL, rst, rst); @@ -255,17 +272,6 @@ static void aspeed_clk_disable(struct clk_hw *hw) spin_unlock_irqrestore(gate->lock, flags); } -static int aspeed_clk_is_enabled(struct clk_hw *hw) -{ - struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw); - u32 clk = BIT(gate->clock_idx); - u32 reg; - - regmap_read(gate->map, ASPEED_CLK_STOP_CTRL, ®); - - return (reg & clk) ? 0 : 1; -} - static const struct clk_ops aspeed_clk_gate_ops = { .enable = aspeed_clk_enable, .disable = aspeed_clk_disable, diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 0f686a9..076d424 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1125,8 +1125,10 @@ static int clk_core_round_rate_nolock(struct clk_core *core, { lockdep_assert_held(&prepare_lock); - if (!core) + if (!core) { + req->rate = 0; return 0; + } clk_core_init_rate_req(core, req); @@ -2309,8 +2311,11 @@ static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) trace_clk_set_phase(core, degrees); - if (core->ops->set_phase) + if (core->ops->set_phase) { ret = core->ops->set_phase(core->hw, degrees); + if (!ret) + core->phase = degrees; + } trace_clk_set_phase_complete(core, degrees); @@ -2968,22 +2973,37 @@ static int __clk_core_init(struct clk_core *core) core->rate = core->req_rate = rate; /* + * Enable CLK_IS_CRITICAL clocks so newly added critical clocks + * don't get accidentally disabled when walking the orphan tree and + * reparenting clocks + */ + if (core->flags & CLK_IS_CRITICAL) { + unsigned long flags; + + clk_core_prepare(core); + + flags = clk_enable_lock(); + clk_core_enable(core); + clk_enable_unlock(flags); + } + + /* * walk the list of orphan clocks and reparent any that newly finds a * parent. */ hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) { struct clk_core *parent = __clk_init_parent(orphan); - unsigned long flags; /* - * we could call __clk_set_parent, but that would result in a - * redundant call to the .set_rate op, if it exists + * We need to use __clk_set_parent_before() and _after() to + * to properly migrate any prepare/enable count of the orphan + * clock. This is important for CLK_IS_CRITICAL clocks, which + * are enabled during init but might not have a parent yet. */ if (parent) { /* update the clk tree topology */ - flags = clk_enable_lock(); - clk_reparent(orphan, parent); - clk_enable_unlock(flags); + __clk_set_parent_before(orphan, parent); + __clk_set_parent_after(orphan, parent, NULL); __clk_recalc_accuracies(orphan); __clk_recalc_rates(orphan, 0); } @@ -3000,16 +3020,6 @@ static int __clk_core_init(struct clk_core *core) if (core->ops->init) core->ops->init(core->hw); - if (core->flags & CLK_IS_CRITICAL) { - unsigned long flags; - - clk_core_prepare(core); - - flags = clk_enable_lock(); - clk_core_enable(core); - clk_enable_unlock(flags); - } - kref_init(&core->ref); out: clk_pm_runtime_put(core); diff --git a/drivers/clk/hisilicon/clk-hi3660-stub.c b/drivers/clk/hisilicon/clk-hi3660-stub.c index 9b6c72b..e8b2c43 100644 --- a/drivers/clk/hisilicon/clk-hi3660-stub.c +++ b/drivers/clk/hisilicon/clk-hi3660-stub.c @@ -149,6 +149,8 @@ static int hi3660_stub_clk_probe(struct platform_device *pdev) return PTR_ERR(stub_clk_chan.mbox); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; freq_reg = devm_ioremap(dev, res->start, resource_size(res)); if (!freq_reg) return -ENOMEM; diff --git a/drivers/clk/imx/clk-imx51-imx53.c b/drivers/clk/imx/clk-imx51-imx53.c index c864992..caa8bd4 100644 --- a/drivers/clk/imx/clk-imx51-imx53.c +++ b/drivers/clk/imx/clk-imx51-imx53.c @@ -131,7 +131,17 @@ static const char *ieee1588_sels[] = { "pll3_sw", "pll4_sw", "dummy" /* usbphy2_ static struct clk *clk[IMX5_CLK_END]; static struct clk_onecell_data clk_data; -static struct clk ** const uart_clks[] __initconst = { +static struct clk ** const uart_clks_mx51[] __initconst = { + &clk[IMX5_CLK_UART1_IPG_GATE], + &clk[IMX5_CLK_UART1_PER_GATE], + &clk[IMX5_CLK_UART2_IPG_GATE], + &clk[IMX5_CLK_UART2_PER_GATE], + &clk[IMX5_CLK_UART3_IPG_GATE], + &clk[IMX5_CLK_UART3_PER_GATE], + NULL +}; + +static struct clk ** const uart_clks_mx50_mx53[] __initconst = { &clk[IMX5_CLK_UART1_IPG_GATE], &clk[IMX5_CLK_UART1_PER_GATE], &clk[IMX5_CLK_UART2_IPG_GATE], @@ -321,8 +331,6 @@ static void __init mx5_clocks_common_init(void __iomem *ccm_base) clk_prepare_enable(clk[IMX5_CLK_TMAX1]); clk_prepare_enable(clk[IMX5_CLK_TMAX2]); /* esdhc2, fec */ clk_prepare_enable(clk[IMX5_CLK_TMAX3]); /* esdhc1, esdhc4 */ - - imx_register_uart_clocks(uart_clks); } static void __init mx50_clocks_init(struct device_node *np) @@ -388,6 +396,8 @@ static void __init mx50_clocks_init(struct device_node *np) r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); + + imx_register_uart_clocks(uart_clks_mx50_mx53); } CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init); @@ -477,6 +487,8 @@ static void __init mx51_clocks_init(struct device_node *np) val = readl(MXC_CCM_CLPCR); val |= 1 << 23; writel(val, MXC_CCM_CLPCR); + + imx_register_uart_clocks(uart_clks_mx51); } CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init); @@ -606,5 +618,7 @@ static void __init mx53_clocks_init(struct device_node *np) r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); + + imx_register_uart_clocks(uart_clks_mx50_mx53); } CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init); diff --git a/drivers/clk/qcom/apcs-msm8916.c b/drivers/clk/qcom/apcs-msm8916.c index 246957f..b1cc8db 100644 --- a/drivers/clk/qcom/apcs-msm8916.c +++ b/drivers/clk/qcom/apcs-msm8916.c @@ -49,11 +49,10 @@ static int qcom_apcs_msm8916_clk_probe(struct platform_device *pdev) struct clk_regmap_mux_div *a53cc; struct regmap *regmap; struct clk_init_data init = { }; - int ret; + int ret = -ENODEV; regmap = dev_get_regmap(parent, NULL); - if (IS_ERR(regmap)) { - ret = PTR_ERR(regmap); + if (!regmap) { dev_err(dev, "failed to get regmap: %d\n", ret); return ret; } diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 72b16ed..3b97f60 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -762,7 +762,7 @@ static struct ccu_mp out_a_clk = { .features = CCU_FEATURE_FIXED_PREDIV, .hw.init = CLK_HW_INIT_PARENTS("out-a", clk_out_parents, - &ccu_div_ops, + &ccu_mp_ops, 0), }, }; @@ -783,7 +783,7 @@ static struct ccu_mp out_b_clk = { .features = CCU_FEATURE_FIXED_PREDIV, .hw.init = CLK_HW_INIT_PARENTS("out-b", clk_out_parents, - &ccu_div_ops, + &ccu_mp_ops, 0), }, }; @@ -804,7 +804,7 @@ static struct ccu_mp out_c_clk = { .features = CCU_FEATURE_FIXED_PREDIV, .hw.init = CLK_HW_INIT_PARENTS("out-c", clk_out_parents, - &ccu_div_ops, + &ccu_mp_ops, 0), }, }; diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index 612491a..12e0a2d 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -45,7 +45,7 @@ static const struct omap_clkctrl_bit_data am3_gpio4_bit_data[] __initconst = { static const struct omap_clkctrl_reg_data am3_l4_per_clkctrl_regs[] __initconst = { { AM3_CPGMAC0_CLKCTRL, NULL, CLKF_SW_SUP, "cpsw_125mhz_gclk", "cpsw_125mhz_clkdm" }, - { AM3_LCDC_CLKCTRL, NULL, CLKF_SW_SUP, "lcd_gclk", "lcdc_clkdm" }, + { AM3_LCDC_CLKCTRL, NULL, CLKF_SW_SUP | CLKF_SET_RATE_PARENT, "lcd_gclk", "lcdc_clkdm" }, { AM3_USB_OTG_HS_CLKCTRL, NULL, CLKF_SW_SUP, "usbotg_fck", "l3s_clkdm" }, { AM3_TPTC0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, { AM3_EMIF_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_ddr_m2_div2_ck", "l3_clkdm" }, diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c index 2b7c2e0..63c5ddb 100644 --- a/drivers/clk/ti/clk-43xx.c +++ b/drivers/clk/ti/clk-43xx.c @@ -187,7 +187,7 @@ static const struct omap_clkctrl_reg_data am4_l4_per_clkctrl_regs[] __initconst { AM4_OCP2SCP0_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, { AM4_OCP2SCP1_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, { AM4_EMIF_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_ddr_m2_ck", "emif_clkdm" }, - { AM4_DSS_CORE_CLKCTRL, NULL, CLKF_SW_SUP, "disp_clk", "dss_clkdm" }, + { AM4_DSS_CORE_CLKCTRL, NULL, CLKF_SW_SUP | CLKF_SET_RATE_PARENT, "disp_clk", "dss_clkdm" }, { AM4_CPGMAC0_CLKCTRL, NULL, CLKF_SW_SUP, "cpsw_125mhz_gclk", "cpsw_125mhz_clkdm" }, { 0 }, }; diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index afa0d6b..421b0539 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -537,6 +537,8 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node) init.parent_names = ®_data->parent; init.num_parents = 1; init.flags = 0; + if (reg_data->flags & CLKF_SET_RATE_PARENT) + init.flags |= CLK_SET_RATE_PARENT; init.name = kasprintf(GFP_KERNEL, "%s:%s:%04x:%d", node->parent->name, node->name, reg_data->offset, 0); diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index b3b4ed9..d2e5382 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -386,6 +386,7 @@ config ATMEL_PIT config ATMEL_ST bool "Atmel ST timer support" if COMPILE_TEST + depends on HAS_IOMEM select TIMER_OF select MFD_SYSCON help diff --git a/drivers/clocksource/arc_timer.c b/drivers/clocksource/arc_timer.c index 4927355..471b428 100644 --- a/drivers/clocksource/arc_timer.c +++ b/drivers/clocksource/arc_timer.c @@ -251,9 +251,14 @@ static irqreturn_t timer_irq_handler(int irq, void *dev_id) int irq_reenable = clockevent_state_periodic(evt); /* - * Any write to CTRL reg ACks the interrupt, we rewrite the - * Count when [N]ot [H]alted bit. - * And re-arm it if perioid by [I]nterrupt [E]nable bit + * 1. ACK the interrupt + * - For ARC700, any write to CTRL reg ACKs it, so just rewrite + * Count when [N]ot [H]alted bit. + * - For HS3x, it is a bit subtle. On taken count-down interrupt, + * IP bit [3] is set, which needs to be cleared for ACK'ing. + * The write below can only update the other two bits, hence + * explicitly clears IP bit + * 2. Re-arm interrupt if periodic by writing to IE bit [0] */ write_aux_reg(ARC_REG_TIMER0_CTRL, irq_reenable | TIMER_CTRL_NH); diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c index 3ee7e6f..846d18d 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c @@ -281,7 +281,7 @@ static int __init __ftm_clk_init(struct device_node *np, char *cnt_name, static unsigned long __init ftm_clk_init(struct device_node *np) { - unsigned long freq; + long freq; freq = __ftm_clk_init(np, "ftm-evt-counter-en", "ftm-evt"); if (freq <= 0) diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index a04808a..986b679 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -166,7 +166,7 @@ static int __init __gic_clocksource_init(void) /* Set clocksource mask. */ count_width = read_gic_config() & GIC_CONFIG_COUNTBITS; - count_width >>= __fls(GIC_CONFIG_COUNTBITS); + count_width >>= __ffs(GIC_CONFIG_COUNTBITS); count_width *= 4; count_width += 32; gic_clocksource.mask = CLOCKSOURCE_MASK(count_width); @@ -205,12 +205,12 @@ static int __init gic_clocksource_of_init(struct device_node *node) } else if (of_property_read_u32(node, "clock-frequency", &gic_frequency)) { pr_err("GIC frequency not specified.\n"); - return -EINVAL;; + return -EINVAL; } gic_timer_irq = irq_of_parse_and_map(node, 0); if (!gic_timer_irq) { pr_err("GIC timer IRQ not specified.\n"); - return -EINVAL;; + return -EINVAL; } ret = __gic_clocksource_init(); diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index 2a3fe83..3b56ea3 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -334,7 +334,7 @@ static int __init sun5i_timer_init(struct device_node *node) timer_base = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(timer_base)) { pr_err("Can't map registers\n"); - return PTR_ERR(timer_base);; + return PTR_ERR(timer_base); } irq = irq_of_parse_and_map(node, 0); diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 3a88e33..fb586e0 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -44,10 +44,10 @@ config ARM_DT_BL_CPUFREQ config ARM_SCPI_CPUFREQ tristate "SCPI based CPUfreq driver" - depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI + depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI help - This adds the CPUfreq driver support for ARM big.LITTLE platforms - using SCPI protocol for CPU power management. + This adds the CPUfreq driver support for ARM platforms using SCPI + protocol for CPU power management. This driver uses SCPI Message Protocol driver to interact with the firmware providing the CPU DVFS functionality. diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 3a2ca0f..d0c34df 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -629,7 +629,7 @@ static int acpi_cpufreq_blacklist(struct cpuinfo_x86 *c) if (c->x86_vendor == X86_VENDOR_INTEL) { if ((c->x86 == 15) && (c->x86_model == 6) && - (c->x86_mask == 8)) { + (c->x86_stepping == 8)) { pr_info("Intel(R) Xeon(R) 7100 Errata AL30, processors may lock up on frequency changes: disabling acpi-cpufreq\n"); return -ENODEV; } diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c index 942632a..f730b65 100644 --- a/drivers/cpufreq/longhaul.c +++ b/drivers/cpufreq/longhaul.c @@ -775,7 +775,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) break; case 7: - switch (c->x86_mask) { + switch (c->x86_stepping) { case 0: longhaul_version = TYPE_LONGHAUL_V1; cpu_model = CPU_SAMUEL2; @@ -787,7 +787,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) break; case 1 ... 15: longhaul_version = TYPE_LONGHAUL_V2; - if (c->x86_mask < 8) { + if (c->x86_stepping < 8) { cpu_model = CPU_SAMUEL2; cpuname = "C3 'Samuel 2' [C5B]"; } else { @@ -814,7 +814,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) numscales = 32; memcpy(mults, nehemiah_mults, sizeof(nehemiah_mults)); memcpy(eblcr, nehemiah_eblcr, sizeof(nehemiah_eblcr)); - switch (c->x86_mask) { + switch (c->x86_stepping) { case 0 ... 1: cpu_model = CPU_NEHEMIAH; cpuname = "C3 'Nehemiah A' [C5XLOE]"; diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c index fd77812..a25741b 100644 --- a/drivers/cpufreq/p4-clockmod.c +++ b/drivers/cpufreq/p4-clockmod.c @@ -168,7 +168,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy) #endif /* Errata workaround */ - cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_mask; + cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_stepping; switch (cpuid) { case 0x0f07: case 0x0f0a: diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c index 80ac313..302e9ce 100644 --- a/drivers/cpufreq/powernow-k7.c +++ b/drivers/cpufreq/powernow-k7.c @@ -131,7 +131,7 @@ static int check_powernow(void) return 0; } - if ((c->x86_model == 6) && (c->x86_mask == 0)) { + if ((c->x86_model == 6) && (c->x86_stepping == 0)) { pr_info("K7 660[A0] core detected, enabling errata workarounds\n"); have_a0 = 1; } diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c index 7b596fa..6bebc1f 100644 --- a/drivers/cpufreq/s3c24xx-cpufreq.c +++ b/drivers/cpufreq/s3c24xx-cpufreq.c @@ -351,7 +351,13 @@ struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name) static int s3c_cpufreq_init(struct cpufreq_policy *policy) { policy->clk = clk_arm; - return cpufreq_generic_init(policy, ftab, cpu_cur.info->latency); + + policy->cpuinfo.transition_latency = cpu_cur.info->latency; + + if (ftab) + return cpufreq_table_validate_and_show(policy, ftab); + + return 0; } static int __init s3c_cpufreq_initclks(void) diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index c32a833..d300a16 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -51,15 +51,23 @@ static unsigned int scpi_cpufreq_get_rate(unsigned int cpu) static int scpi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index) { + unsigned long freq = policy->freq_table[index].frequency; struct scpi_data *priv = policy->driver_data; - u64 rate = policy->freq_table[index].frequency * 1000; + u64 rate = freq * 1000; int ret; ret = clk_set_rate(priv->clk, rate); - if (!ret && (clk_get_rate(priv->clk) != rate)) - ret = -EIO; - return ret; + if (ret) + return ret; + + if (clk_get_rate(priv->clk) != rate) + return -EIO; + + arch_set_freq_scale(policy->related_cpus, freq, + policy->cpuinfo.max_freq); + + return 0; } static int diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c index 41bc539..4fa5adf 100644 --- a/drivers/cpufreq/speedstep-centrino.c +++ b/drivers/cpufreq/speedstep-centrino.c @@ -37,7 +37,7 @@ struct cpu_id { __u8 x86; /* CPU family */ __u8 x86_model; /* model */ - __u8 x86_mask; /* stepping */ + __u8 x86_stepping; /* stepping */ }; enum { @@ -277,7 +277,7 @@ static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c, { if ((c->x86 == x->x86) && (c->x86_model == x->x86_model) && - (c->x86_mask == x->x86_mask)) + (c->x86_stepping == x->x86_stepping)) return 1; return 0; } diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 8085ec9..e3a9962 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -272,9 +272,9 @@ unsigned int speedstep_detect_processor(void) ebx = cpuid_ebx(0x00000001); ebx &= 0x000000FF; - pr_debug("ebx value is %x, x86_mask is %x\n", ebx, c->x86_mask); + pr_debug("ebx value is %x, x86_stepping is %x\n", ebx, c->x86_stepping); - switch (c->x86_mask) { + switch (c->x86_stepping) { case 4: /* * B-stepping [M-P4-M] @@ -361,7 +361,7 @@ unsigned int speedstep_detect_processor(void) msr_lo, msr_hi); if ((msr_hi & (1<<18)) && (relaxed_check ? 1 : (msr_hi & (3<<24)))) { - if (c->x86_mask == 0x01) { + if (c->x86_stepping == 0x01) { pr_debug("early PIII version\n"); return SPEEDSTEP_CPU_PIII_C_EARLY; } else diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 75d280c..e843cf4 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -228,12 +228,16 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask, * without any error (HW optimizations for later * CAAM eras), then try again. */ + if (ret) + break; + rdsta_val = rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_IFMASK; if ((status && status != JRSTA_SSRC_JUMP_HALT_CC) || - !(rdsta_val & (1 << sh_idx))) + !(rdsta_val & (1 << sh_idx))) { ret = -EAGAIN; - if (ret) break; + } + dev_info(ctrldev, "Instantiated RNG4 SH%d\n", sh_idx); /* Clear the contents before recreating the descriptor */ memset(desc, 0x00, CAAM_CMD_SZ * 7); diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index fcfa5b1..b3afb6c 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -211,7 +211,7 @@ static int __sev_platform_shutdown_locked(int *error) { int ret; - ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, 0, error); + ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error); if (ret) return ret; @@ -271,7 +271,7 @@ static int sev_ioctl_do_reset(struct sev_issue_cmd *argp) return rc; } - return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, 0, &argp->error); + return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, NULL, &argp->error); } static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp) @@ -299,7 +299,7 @@ static int sev_ioctl_do_pek_pdh_gen(int cmd, struct sev_issue_cmd *argp) return rc; } - return __sev_do_cmd_locked(cmd, 0, &argp->error); + return __sev_do_cmd_locked(cmd, NULL, &argp->error); } static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp) @@ -624,7 +624,7 @@ EXPORT_SYMBOL_GPL(sev_guest_decommission); int sev_guest_df_flush(int *error) { - return sev_do_cmd(SEV_CMD_DF_FLUSH, 0, error); + return sev_do_cmd(SEV_CMD_DF_FLUSH, NULL, error); } EXPORT_SYMBOL_GPL(sev_guest_df_flush); diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 4b6642a..1c6cbda 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -512,7 +512,7 @@ static int __init padlock_init(void) printk(KERN_NOTICE PFX "Using VIA PadLock ACE for AES algorithm.\n"); - if (c->x86 == 6 && c->x86_model == 15 && c->x86_mask == 2) { + if (c->x86 == 6 && c->x86_model == 15 && c->x86_stepping == 2) { ecb_fetch_blocks = MAX_ECB_FETCH_BLOCKS; cbc_fetch_blocks = MAX_CBC_FETCH_BLOCKS; printk(KERN_NOTICE PFX "VIA Nano stepping 2 detected: enabling workaround.\n"); diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 188f44b..5d64c08 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -1922,15 +1922,21 @@ static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode) uint32_t aes_control; unsigned long flags; int err; + u8 *iv; aes_control = SSS_AES_KEY_CHANGE_MODE; if (mode & FLAGS_AES_DECRYPT) aes_control |= SSS_AES_MODE_DECRYPT; - if ((mode & FLAGS_AES_MODE_MASK) == FLAGS_AES_CBC) + if ((mode & FLAGS_AES_MODE_MASK) == FLAGS_AES_CBC) { aes_control |= SSS_AES_CHAIN_MODE_CBC; - else if ((mode & FLAGS_AES_MODE_MASK) == FLAGS_AES_CTR) + iv = req->info; + } else if ((mode & FLAGS_AES_MODE_MASK) == FLAGS_AES_CTR) { aes_control |= SSS_AES_CHAIN_MODE_CTR; + iv = req->info; + } else { + iv = NULL; /* AES_ECB */ + } if (dev->ctx->keylen == AES_KEYSIZE_192) aes_control |= SSS_AES_KEY_SIZE_192; @@ -1961,7 +1967,7 @@ static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode) goto outdata_error; SSS_AES_WRITE(dev, AES_CONTROL, aes_control); - s5p_set_aes(dev, dev->ctx->aes_key, req->info, dev->ctx->keylen); + s5p_set_aes(dev, dev->ctx->aes_key, iv, dev->ctx->keylen); s5p_set_dma_indata(dev, dev->sg_src); s5p_set_dma_outdata(dev, dev->sg_dst); diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c index 0d01d16..63d6364 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c @@ -28,7 +28,7 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src, algt = container_of(alg, struct sun4i_ss_alg_template, alg.rng); ss = algt->ss; - spin_lock(&ss->slock); + spin_lock_bh(&ss->slock); writel(mode, ss->base + SS_CTL); @@ -51,6 +51,6 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src, } writel(0, ss->base + SS_CTL); - spin_unlock(&ss->slock); - return dlen; + spin_unlock_bh(&ss->slock); + return 0; } diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 9c80e0c..6882fa2 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1138,6 +1138,10 @@ static int talitos_sg_map(struct device *dev, struct scatterlist *src, struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv); + if (!src) { + to_talitos_ptr(ptr, 0, 0, is_sec1); + return 1; + } if (sg_count == 1) { to_talitos_ptr(ptr, sg_dma_address(src) + offset, len, is_sec1); return sg_count; diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 473af69..ecdc292 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -246,12 +246,6 @@ long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, { long avail; - /* - * The device driver is allowed to sleep, in order to make the - * memory directly accessible. - */ - might_sleep(); - if (!dax_dev) return -EOPNOTSUPP; diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index f652a0e..3548caa 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -163,6 +163,7 @@ struct mv_xor_v2_device { void __iomem *dma_base; void __iomem *glob_base; struct clk *clk; + struct clk *reg_clk; struct tasklet_struct irq_tasklet; struct list_head free_sw_desc; struct dma_device dmadev; @@ -749,13 +750,26 @@ static int mv_xor_v2_probe(struct platform_device *pdev) if (ret) return ret; + xor_dev->reg_clk = devm_clk_get(&pdev->dev, "reg"); + if (PTR_ERR(xor_dev->reg_clk) != -ENOENT) { + if (!IS_ERR(xor_dev->reg_clk)) { + ret = clk_prepare_enable(xor_dev->reg_clk); + if (ret) + return ret; + } else { + return PTR_ERR(xor_dev->reg_clk); + } + } + xor_dev->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { + ret = EPROBE_DEFER; + goto disable_reg_clk; + } if (!IS_ERR(xor_dev->clk)) { ret = clk_prepare_enable(xor_dev->clk); if (ret) - return ret; + goto disable_reg_clk; } ret = platform_msi_domain_alloc_irqs(&pdev->dev, 1, @@ -866,8 +880,9 @@ free_hw_desq: free_msi_irqs: platform_msi_domain_free_irqs(&pdev->dev); disable_clk: - if (!IS_ERR(xor_dev->clk)) - clk_disable_unprepare(xor_dev->clk); + clk_disable_unprepare(xor_dev->clk); +disable_reg_clk: + clk_disable_unprepare(xor_dev->reg_clk); return ret; } diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index e3ff162..d0cacdb 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -917,7 +917,7 @@ rcar_dmac_chan_prep_sg(struct rcar_dmac_chan *chan, struct scatterlist *sgl, rcar_dmac_chan_configure_desc(chan, desc); - max_chunk_size = (RCAR_DMATCR_MASK + 1) << desc->xfer_shift; + max_chunk_size = RCAR_DMATCR_MASK << desc->xfer_shift; /* * Allocate and fill the transfer chunk descriptors. We own the only diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c index 4dbb30c..b922db9 100644 --- a/drivers/dma/stm32-dmamux.c +++ b/drivers/dma/stm32-dmamux.c @@ -118,14 +118,15 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec, spin_lock_irqsave(&dmamux->lock, flags); mux->chan_id = find_first_zero_bit(dmamux->dma_inuse, dmamux->dma_requests); - set_bit(mux->chan_id, dmamux->dma_inuse); - spin_unlock_irqrestore(&dmamux->lock, flags); if (mux->chan_id == dmamux->dma_requests) { + spin_unlock_irqrestore(&dmamux->lock, flags); dev_err(&pdev->dev, "Run out of free DMA requests\n"); ret = -ENOMEM; - goto error; + goto error_chan_id; } + set_bit(mux->chan_id, dmamux->dma_inuse); + spin_unlock_irqrestore(&dmamux->lock, flags); /* Look for DMA Master */ for (i = 1, min = 0, max = dmamux->dma_reqs[i]; @@ -173,6 +174,8 @@ static void *stm32_dmamux_route_allocate(struct of_phandle_args *dma_spec, error: clear_bit(mux->chan_id, dmamux->dma_inuse); + +error_chan_id: kfree(mux); return ERR_PTR(ret); } diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 8b16ec5..329cb96 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3147,7 +3147,7 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) struct amd64_family_type *fam_type = NULL; pvt->ext_model = boot_cpu_data.x86_model >> 4; - pvt->stepping = boot_cpu_data.x86_mask; + pvt->stepping = boot_cpu_data.x86_stepping; pvt->model = boot_cpu_data.x86_model; pvt->fam = boot_cpu_data.x86; diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index f34430f..8721002 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -279,7 +279,7 @@ static const u32 correrrthrsld[] = { * sbridge structs */ -#define NUM_CHANNELS 4 /* Max channels per MC */ +#define NUM_CHANNELS 6 /* Max channels per MC */ #define MAX_DIMMS 3 /* Max DIMMS per channel */ #define KNL_MAX_CHAS 38 /* KNL max num. of Cache Home Agents */ #define KNL_MAX_CHANNELS 6 /* KNL max num. of PCI channels */ diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c index 0a44d43..3ec4c71 100644 --- a/drivers/extcon/extcon-axp288.c +++ b/drivers/extcon/extcon-axp288.c @@ -1,7 +1,6 @@ /* * extcon-axp288.c - X-Power AXP288 PMIC extcon cable detection driver * - * Copyright (C) 2016-2017 Hans de Goede <hdegoede@redhat.com> * Copyright (C) 2015 Intel Corporation * Author: Ramakrishna Pallala <ramakrishna.pallala@intel.com> * @@ -98,15 +97,13 @@ struct axp288_extcon_info { struct device *dev; struct regmap *regmap; struct regmap_irq_chip_data *regmap_irqc; - struct delayed_work det_work; int irq[EXTCON_IRQ_END]; struct extcon_dev *edev; unsigned int previous_cable; - bool first_detect_done; }; /* Power up/down reason string array */ -static char *axp288_pwr_up_down_info[] = { +static const char * const axp288_pwr_up_down_info[] = { "Last wake caused by user pressing the power button", "Last wake caused by a charger insertion", "Last wake caused by a battery insertion", @@ -124,7 +121,7 @@ static char *axp288_pwr_up_down_info[] = { */ static void axp288_extcon_log_rsi(struct axp288_extcon_info *info) { - char **rsi; + const char * const *rsi; unsigned int val, i, clear_mask = 0; int ret; @@ -140,25 +137,6 @@ static void axp288_extcon_log_rsi(struct axp288_extcon_info *info) regmap_write(info->regmap, AXP288_PS_BOOT_REASON_REG, clear_mask); } -static void axp288_chrg_detect_complete(struct axp288_extcon_info *info) -{ - /* - * We depend on other drivers to do things like mux the data lines, - * enable/disable vbus based on the id-pin, etc. Sometimes the BIOS has - * not set these things up correctly resulting in the initial charger - * cable type detection giving a wrong result and we end up not charging - * or charging at only 0.5A. - * - * So we schedule a second cable type detection after 2 seconds to - * give the other drivers time to load and do their thing. - */ - if (!info->first_detect_done) { - queue_delayed_work(system_wq, &info->det_work, - msecs_to_jiffies(2000)); - info->first_detect_done = true; - } -} - static int axp288_handle_chrg_det_event(struct axp288_extcon_info *info) { int ret, stat, cfg, pwr_stat; @@ -223,8 +201,6 @@ no_vbus: info->previous_cable = cable; } - axp288_chrg_detect_complete(info); - return 0; dev_det_ret: @@ -246,11 +222,8 @@ static irqreturn_t axp288_extcon_isr(int irq, void *data) return IRQ_HANDLED; } -static void axp288_extcon_det_work(struct work_struct *work) +static void axp288_extcon_enable(struct axp288_extcon_info *info) { - struct axp288_extcon_info *info = - container_of(work, struct axp288_extcon_info, det_work.work); - regmap_update_bits(info->regmap, AXP288_BC_GLOBAL_REG, BC_GLOBAL_RUN, 0); /* Enable the charger detection logic */ @@ -272,7 +245,6 @@ static int axp288_extcon_probe(struct platform_device *pdev) info->regmap = axp20x->regmap; info->regmap_irqc = axp20x->regmap_irqc; info->previous_cable = EXTCON_NONE; - INIT_DELAYED_WORK(&info->det_work, axp288_extcon_det_work); platform_set_drvdata(pdev, info); @@ -318,7 +290,7 @@ static int axp288_extcon_probe(struct platform_device *pdev) } /* Start charger cable type detection */ - queue_delayed_work(system_wq, &info->det_work, 0); + axp288_extcon_enable(info); return 0; } diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c index c8691b5..191e99f 100644 --- a/drivers/extcon/extcon-intel-int3496.c +++ b/drivers/extcon/extcon-intel-int3496.c @@ -153,8 +153,9 @@ static int int3496_probe(struct platform_device *pdev) return ret; } - /* queue initial processing of id-pin */ + /* process id-pin so that we start with the right status */ queue_delayed_work(system_wq, &data->work, 0); + flush_delayed_work(&data->work); platform_set_drvdata(pdev, data); diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c index c16600f..0bdea60 100644 --- a/drivers/firmware/dcdbas.c +++ b/drivers/firmware/dcdbas.c @@ -639,7 +639,7 @@ static void __exit dcdbas_exit(void) platform_driver_unregister(&dcdbas_driver); } -module_init(dcdbas_init); +subsys_initcall_sync(dcdbas_init); module_exit(dcdbas_exit); MODULE_DESCRIPTION(DRIVER_DESCRIPTION " (version " DRIVER_VERSION ")"); diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c index da661bf..13c1edd 100644 --- a/drivers/firmware/efi/libstub/tpm.c +++ b/drivers/firmware/efi/libstub/tpm.c @@ -68,11 +68,11 @@ void efi_retrieve_tpm2_eventlog_1_2(efi_system_table_t *sys_table_arg) efi_guid_t linux_eventlog_guid = LINUX_EFI_TPM_EVENT_LOG_GUID; efi_status_t status; efi_physical_addr_t log_location, log_last_entry; - struct linux_efi_tpm_eventlog *log_tbl; + struct linux_efi_tpm_eventlog *log_tbl = NULL; unsigned long first_entry_addr, last_entry_addr; size_t log_size, last_entry_size; efi_bool_t truncated; - void *tcg2_protocol; + void *tcg2_protocol = NULL; status = efi_call_early(locate_protocol, &tcg2_guid, NULL, &tcg2_protocol); diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index e76de57..ebaea8b 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -14,7 +14,6 @@ * GNU General Public License for more details. */ -#include <linux/clk.h> #include <linux/err.h> #include <linux/gpio.h> #include <linux/init.h> @@ -37,10 +36,9 @@ struct gpio_rcar_priv { struct platform_device *pdev; struct gpio_chip gpio_chip; struct irq_chip irq_chip; - struct clk *clk; unsigned int irq_parent; + atomic_t wakeup_path; bool has_both_edge_trigger; - bool needs_clk; }; #define IOINTSEL 0x00 /* General IO/Interrupt Switching Register */ @@ -186,13 +184,10 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) } } - if (!p->clk) - return 0; - if (on) - clk_enable(p->clk); + atomic_inc(&p->wakeup_path); else - clk_disable(p->clk); + atomic_dec(&p->wakeup_path); return 0; } @@ -330,17 +325,14 @@ static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset, struct gpio_rcar_info { bool has_both_edge_trigger; - bool needs_clk; }; static const struct gpio_rcar_info gpio_rcar_info_gen1 = { .has_both_edge_trigger = false, - .needs_clk = false, }; static const struct gpio_rcar_info gpio_rcar_info_gen2 = { .has_both_edge_trigger = true, - .needs_clk = true, }; static const struct of_device_id gpio_rcar_of_table[] = { @@ -403,7 +395,6 @@ static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins) ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args); *npins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK; p->has_both_edge_trigger = info->has_both_edge_trigger; - p->needs_clk = info->needs_clk; if (*npins == 0 || *npins > RCAR_MAX_GPIO_PER_BANK) { dev_warn(&p->pdev->dev, @@ -440,16 +431,6 @@ static int gpio_rcar_probe(struct platform_device *pdev) platform_set_drvdata(pdev, p); - p->clk = devm_clk_get(dev, NULL); - if (IS_ERR(p->clk)) { - if (p->needs_clk) { - dev_err(dev, "unable to get clock\n"); - ret = PTR_ERR(p->clk); - goto err0; - } - p->clk = NULL; - } - pm_runtime_enable(dev); irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -531,11 +512,24 @@ static int gpio_rcar_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused gpio_rcar_suspend(struct device *dev) +{ + struct gpio_rcar_priv *p = dev_get_drvdata(dev); + + if (atomic_read(&p->wakeup_path)) + device_set_wakeup_path(dev); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(gpio_rcar_pm_ops, gpio_rcar_suspend, NULL); + static struct platform_driver gpio_rcar_device_driver = { .probe = gpio_rcar_probe, .remove = gpio_rcar_remove, .driver = { .name = "gpio_rcar", + .pm = &gpio_rcar_pm_ops, .of_match_table = of_match_ptr(gpio_rcar_of_table), } }; diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 564bb7a..84e5a9d 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -241,6 +241,19 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, &of_flags); + /* + * -EPROBE_DEFER in our case means that we found a + * valid GPIO property, but no controller has been + * registered so far. + * + * This means we don't need to look any further for + * alternate name conventions, and we should really + * preserve the return code for our user to be able to + * retry probing later. + */ + if (IS_ERR(desc) && PTR_ERR(desc) == -EPROBE_DEFER) + return desc; + if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT)) break; } @@ -250,7 +263,7 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, desc = of_find_spi_gpio(dev, con_id, &of_flags); /* Special handling for regulator GPIOs if used */ - if (IS_ERR(desc)) + if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER) desc = of_find_regulator_gpio(dev, con_id, &of_flags); if (IS_ERR(desc)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 9da8d58..96501ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -729,9 +729,11 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; int r; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (encoder) { struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); @@ -750,8 +752,12 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force) /* check acpi lid status ??? */ amdgpu_connector_update_scratch_regs(connector, ret); - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } + return ret; } @@ -861,9 +867,11 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; int r; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } encoder = amdgpu_connector_best_single_encoder(connector); if (!encoder) @@ -917,8 +925,10 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force) amdgpu_connector_update_scratch_regs(connector, ret); out: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } @@ -981,9 +991,11 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { ret = connector->status; @@ -1108,8 +1120,10 @@ out: amdgpu_connector_update_scratch_regs(connector, ret); exit: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } @@ -1352,9 +1366,11 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force) struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); int r; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { ret = connector->status; @@ -1424,8 +1440,10 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force) amdgpu_connector_update_scratch_regs(connector, ret); out: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 13a5362..e42a28e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3172,8 +3172,6 @@ static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, switch (aplane->base.type) { case DRM_PLANE_TYPE_PRIMARY: - aplane->base.format_default = true; - res = drm_universal_plane_init( dm->adev->ddev, &aplane->base, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 9ab69b2..ca0b08b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -109,7 +109,7 @@ enum dc_edid_status dm_helpers_parse_edid_caps( struct cea_sad *sad = &sads[i]; edid_caps->audio_modes[i].format_code = sad->format; - edid_caps->audio_modes[i].channel_count = sad->channels; + edid_caps->audio_modes[i].channel_count = sad->channels + 1; edid_caps->audio_modes[i].sample_rate = sad->freq; edid_caps->audio_modes[i].sample_size = sad->byte2; } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c index 3931412..8709389 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c @@ -128,23 +128,22 @@ static void set_truncation( return; } /* on other format-to do */ - if (params->flags.TRUNCATE_ENABLED == 0 || - params->flags.TRUNCATE_DEPTH == 2) + if (params->flags.TRUNCATE_ENABLED == 0) return; /*Set truncation depth and Enable truncation*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1, FMT_TRUNCATE_DEPTH, - params->flags.TRUNCATE_MODE, + params->flags.TRUNCATE_DEPTH, FMT_TRUNCATE_MODE, - params->flags.TRUNCATE_DEPTH); + params->flags.TRUNCATE_MODE); } /** * set_spatial_dither * 1) set spatial dithering mode: pattern of seed - * 2) set spatical dithering depth: 0 for 18bpp or 1 for 24bpp + * 2) set spatial dithering depth: 0 for 18bpp or 1 for 24bpp * 3) set random seed * 4) set random mode * lfsr is reset every frame or not reset diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h index 5f4c2e8..d665dd5 100644 --- a/drivers/gpu/drm/ast/ast_tables.h +++ b/drivers/gpu/drm/ast/ast_tables.h @@ -97,7 +97,7 @@ static const struct ast_vbios_dclk_info dclk_table[] = { {0x67, 0x22, 0x00}, /* 0E: VCLK157_5 */ {0x6A, 0x22, 0x00}, /* 0F: VCLK162 */ {0x4d, 0x4c, 0x80}, /* 10: VCLK154 */ - {0xa7, 0x78, 0x80}, /* 11: VCLK83.5 */ + {0x68, 0x6f, 0x80}, /* 11: VCLK83.5 */ {0x28, 0x49, 0x80}, /* 12: VCLK106.5 */ {0x37, 0x49, 0x80}, /* 13: VCLK146.25 */ {0x1f, 0x45, 0x80}, /* 14: VCLK148.5 */ @@ -127,7 +127,7 @@ static const struct ast_vbios_dclk_info dclk_table_ast2500[] = { {0x67, 0x22, 0x00}, /* 0E: VCLK157_5 */ {0x6A, 0x22, 0x00}, /* 0F: VCLK162 */ {0x4d, 0x4c, 0x80}, /* 10: VCLK154 */ - {0xa7, 0x78, 0x80}, /* 11: VCLK83.5 */ + {0x68, 0x6f, 0x80}, /* 11: VCLK83.5 */ {0x28, 0x49, 0x80}, /* 12: VCLK106.5 */ {0x37, 0x49, 0x80}, /* 13: VCLK146.25 */ {0x1f, 0x45, 0x80}, /* 14: VCLK148.5 */ diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index cd23b1b..c91b9b0 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -294,22 +294,7 @@ static void cirrus_crtc_prepare(struct drm_crtc *crtc) { } -/* - * This is called after a mode is programmed. It should reverse anything done - * by the prepare function - */ -static void cirrus_crtc_commit(struct drm_crtc *crtc) -{ -} - -/* - * The core can pass us a set of gamma values to program. We actually only - * use this for 8-bit mode so can't perform smooth fades on deeper modes, - * but it's a requirement that we provide the function - */ -static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t size, - struct drm_modeset_acquire_ctx *ctx) +static void cirrus_crtc_load_lut(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct cirrus_device *cdev = dev->dev_private; @@ -317,7 +302,7 @@ static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, int i; if (!crtc->enabled) - return 0; + return; r = crtc->gamma_store; g = r + crtc->gamma_size; @@ -330,6 +315,27 @@ static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, WREG8(PALETTE_DATA, *g++ >> 8); WREG8(PALETTE_DATA, *b++ >> 8); } +} + +/* + * This is called after a mode is programmed. It should reverse anything done + * by the prepare function + */ +static void cirrus_crtc_commit(struct drm_crtc *crtc) +{ + cirrus_crtc_load_lut(crtc); +} + +/* + * The core can pass us a set of gamma values to program. We actually only + * use this for 8-bit mode so can't perform smooth fades on deeper modes, + * but it's a requirement that we provide the function + */ +static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size, + struct drm_modeset_acquire_ctx *ctx) +{ + cirrus_crtc_load_lut(crtc); return 0; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 49147b2..134069f 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -113,6 +113,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ + { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, @@ -162,6 +165,24 @@ static const struct edid_quirk { /* HTC Vive VR Headset */ { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP }, + + /* Oculus Rift DK1, DK2, and CV1 VR Headsets */ + { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP }, + { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP }, + { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP }, + + /* Windows Mixed Reality Headsets */ + { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP }, + { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP }, + { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP }, + { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP }, + { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP }, + { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP }, + { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP }, + { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP }, + + /* Sony PlayStation VR Headset */ + { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP }, }; /* diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 0eebe8b..ad67203 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -121,6 +121,10 @@ int drm_mode_addfb(struct drm_device *dev, r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); r.handles[0] = or->handle; + if (r.pixel_format == DRM_FORMAT_XRGB2101010 && + dev->driver->driver_features & DRIVER_PREFER_XBGR_30BPP) + r.pixel_format = DRM_FORMAT_XBGR2101010; + ret = drm_mode_addfb2(dev, &r, file_priv); if (ret) return ret; @@ -458,6 +462,12 @@ int drm_mode_getfb(struct drm_device *dev, if (!fb) return -ENOENT; + /* Multi-planar framebuffers need getfb2. */ + if (fb->format->num_planes > 1) { + ret = -EINVAL; + goto out; + } + r->height = fb->height; r->width = fb->width; r->depth = fb->format->depth; @@ -481,6 +491,7 @@ int drm_mode_getfb(struct drm_device *dev, ret = -ENODEV; } +out: drm_framebuffer_put(fb); return ret; diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index a351bd8..3166026 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -837,9 +837,24 @@ struct drm_mm_node *drm_mm_scan_color_evict(struct drm_mm_scan *scan) if (!mm->color_adjust) return NULL; - hole = list_first_entry(&mm->hole_stack, typeof(*hole), hole_stack); - hole_start = __drm_mm_hole_node_start(hole); - hole_end = hole_start + hole->hole_size; + /* + * The hole found during scanning should ideally be the first element + * in the hole_stack list, but due to side-effects in the driver it + * may not be. + */ + list_for_each_entry(hole, &mm->hole_stack, hole_stack) { + hole_start = __drm_mm_hole_node_start(hole); + hole_end = hole_start + hole->hole_size; + + if (hole_start <= scan->hit_start && + hole_end >= scan->hit_end) + break; + } + + /* We should only be called after we found the hole previously */ + DRM_MM_BUG_ON(&hole->hole_stack == &mm->hole_stack); + if (unlikely(&hole->hole_stack == &mm->hole_stack)) + return NULL; DRM_MM_BUG_ON(hole_start > scan->hit_start); DRM_MM_BUG_ON(hole_end < scan->hit_end); diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 2d1643b..52774339 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -654,6 +654,26 @@ out: } /** + * drm_kms_helper_is_poll_worker - is %current task an output poll worker? + * + * Determine if %current task is an output poll worker. This can be used + * to select distinct code paths for output polling versus other contexts. + * + * One use case is to avoid a deadlock between the output poll worker and + * the autosuspend worker wherein the latter waits for polling to finish + * upon calling drm_kms_helper_poll_disable(), while the former waits for + * runtime suspend to finish upon calling pm_runtime_get_sync() in a + * connector ->detect hook. + */ +bool drm_kms_helper_is_poll_worker(void) +{ + struct work_struct *work = current_work(); + + return work && work->func == output_poll_execute; +} +EXPORT_SYMBOL(drm_kms_helper_is_poll_worker); + +/** * drm_kms_helper_poll_disable - disable output polling * @dev: drm_device * diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 2b8bf2d..f68ef1b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -286,7 +286,6 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) node = kcalloc(G2D_CMDLIST_NUM, sizeof(*node), GFP_KERNEL); if (!node) { - dev_err(dev, "failed to allocate memory\n"); ret = -ENOMEM; goto err; } @@ -926,7 +925,7 @@ static void g2d_finish_event(struct g2d_data *g2d, u32 cmdlist_no) struct drm_device *drm_dev = g2d->subdrv.drm_dev; struct g2d_runqueue_node *runqueue_node = g2d->runqueue_node; struct drm_exynos_pending_g2d_event *e; - struct timeval now; + struct timespec64 now; if (list_empty(&runqueue_node->event_list)) return; @@ -934,9 +933,9 @@ static void g2d_finish_event(struct g2d_data *g2d, u32 cmdlist_no) e = list_first_entry(&runqueue_node->event_list, struct drm_exynos_pending_g2d_event, base.link); - do_gettimeofday(&now); + ktime_get_ts64(&now); e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; + e->event.tv_usec = now.tv_nsec / NSEC_PER_USEC; e->event.cmdlist_no = cmdlist_no; drm_send_event(drm_dev, &e->base); @@ -1358,10 +1357,9 @@ int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data, return -EFAULT; runqueue_node = kmem_cache_alloc(g2d->runqueue_slab, GFP_KERNEL); - if (!runqueue_node) { - dev_err(dev, "failed to allocate memory\n"); + if (!runqueue_node) return -ENOMEM; - } + run_cmdlist = &runqueue_node->run_cmdlist; event_list = &runqueue_node->event_list; INIT_LIST_HEAD(run_cmdlist); diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.h b/drivers/gpu/drm/exynos/exynos_drm_rotator.h deleted file mode 100644 index 71a0b4c..0000000 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (c) 2012 Samsung Electronics Co., Ltd. - * - * Authors: - * YoungJun Cho <yj44.cho@samsung.com> - * Eunchul Kim <chulspro.kim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#ifndef _EXYNOS_DRM_ROTATOR_H_ -#define _EXYNOS_DRM_ROTATOR_H_ - -/* TODO */ - -#endif diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index a4b75a4..abd84cb 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1068,10 +1068,13 @@ static void hdmi_audio_config(struct hdmi_context *hdata) /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */ hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5) | HDMI_I2S_SEL_LRCK(6)); - hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1) - | HDMI_I2S_SEL_SDATA2(4)); + + hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3) + | HDMI_I2S_SEL_SDATA0(4)); + hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1) | HDMI_I2S_SEL_SDATA2(2)); + hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0)); /* I2S_CON_1 & 2 */ diff --git a/drivers/gpu/drm/exynos/regs-fimc.h b/drivers/gpu/drm/exynos/regs-fimc.h index 3049613..d7cbe53 100644 --- a/drivers/gpu/drm/exynos/regs-fimc.h +++ b/drivers/gpu/drm/exynos/regs-fimc.h @@ -569,7 +569,7 @@ #define EXYNOS_CIIMGEFF_FIN_EMBOSSING (4 << 26) #define EXYNOS_CIIMGEFF_FIN_SILHOUETTE (5 << 26) #define EXYNOS_CIIMGEFF_FIN_MASK (7 << 26) -#define EXYNOS_CIIMGEFF_PAT_CBCR_MASK ((0xff < 13) | (0xff < 0)) +#define EXYNOS_CIIMGEFF_PAT_CBCR_MASK ((0xff << 13) | (0xff << 0)) /* Real input DMA size register */ #define EXYNOS_CIREAL_ISIZE_AUTOLOAD_ENABLE (1 << 31) diff --git a/drivers/gpu/drm/exynos/regs-hdmi.h b/drivers/gpu/drm/exynos/regs-hdmi.h index 04be0f7e..4420c20 100644 --- a/drivers/gpu/drm/exynos/regs-hdmi.h +++ b/drivers/gpu/drm/exynos/regs-hdmi.h @@ -464,7 +464,7 @@ /* I2S_PIN_SEL_1 */ #define HDMI_I2S_SEL_SDATA1(x) (((x) & 0x7) << 4) -#define HDMI_I2S_SEL_SDATA2(x) ((x) & 0x7) +#define HDMI_I2S_SEL_SDATA0(x) ((x) & 0x7) /* I2S_PIN_SEL_2 */ #define HDMI_I2S_SEL_SDATA3(x) (((x) & 0x7) << 4) diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index c8454ac..db6b94d 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -471,6 +471,7 @@ struct parser_exec_state { * used when ret from 2nd level batch buffer */ int saved_buf_addr_type; + bool is_ctx_wa; struct cmd_info *info; @@ -1715,6 +1716,11 @@ static int perform_bb_shadow(struct parser_exec_state *s) bb->accessing = true; bb->bb_start_cmd_va = s->ip_va; + if ((s->buf_type == BATCH_BUFFER_INSTRUCTION) && (!s->is_ctx_wa)) + bb->bb_offset = s->ip_va - s->rb_va; + else + bb->bb_offset = 0; + /* * ip_va saves the virtual address of the shadow batch buffer, while * ip_gma saves the graphics address of the original batch buffer. @@ -2571,6 +2577,7 @@ static int scan_workload(struct intel_vgpu_workload *workload) s.ring_tail = gma_tail; s.rb_va = workload->shadow_ring_buffer_va; s.workload = workload; + s.is_ctx_wa = false; if ((bypass_scan_mask & (1 << workload->ring_id)) || gma_head == gma_tail) @@ -2624,6 +2631,7 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) s.ring_tail = gma_tail; s.rb_va = wa_ctx->indirect_ctx.shadow_va; s.workload = workload; + s.is_ctx_wa = true; if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) { ret = -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 520fe3d..c16a492 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -750,6 +750,25 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, return ret == 0 ? count : ret; } +static bool gtt_entry(struct mdev_device *mdev, loff_t *ppos) +{ + struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); + unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos); + struct intel_gvt *gvt = vgpu->gvt; + int offset; + + /* Only allow MMIO GGTT entry access */ + if (index != PCI_BASE_ADDRESS_0) + return false; + + offset = (u64)(*ppos & VFIO_PCI_OFFSET_MASK) - + intel_vgpu_get_bar_gpa(vgpu, PCI_BASE_ADDRESS_0); + + return (offset >= gvt->device_info.gtt_start_offset && + offset < gvt->device_info.gtt_start_offset + gvt_ggtt_sz(gvt)) ? + true : false; +} + static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, size_t count, loff_t *ppos) { @@ -759,7 +778,21 @@ static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, while (count) { size_t filled; - if (count >= 4 && !(*ppos % 4)) { + /* Only support GGTT entry 8 bytes read */ + if (count >= 8 && !(*ppos % 8) && + gtt_entry(mdev, ppos)) { + u64 val; + + ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ppos, false); + if (ret <= 0) + goto read_err; + + if (copy_to_user(buf, &val, sizeof(val))) + goto read_err; + + filled = 8; + } else if (count >= 4 && !(*ppos % 4)) { u32 val; ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), @@ -819,7 +852,21 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, while (count) { size_t filled; - if (count >= 4 && !(*ppos % 4)) { + /* Only support GGTT entry 8 bytes write */ + if (count >= 8 && !(*ppos % 8) && + gtt_entry(mdev, ppos)) { + u64 val; + + if (copy_from_user(&val, buf, sizeof(val))) + goto write_err; + + ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ppos, true); + if (ret <= 0) + goto write_err; + + filled = 8; + } else if (count >= 4 && !(*ppos % 4)) { u32 val; if (copy_from_user(&val, buf, sizeof(val))) diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c index 74a9c7b..a5bac83 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.c +++ b/drivers/gpu/drm/i915/gvt/mmio_context.c @@ -120,6 +120,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = { {RCS, HALF_SLICE_CHICKEN3, 0xffff, true}, /* 0xe184 */ {RCS, GEN9_HALF_SLICE_CHICKEN5, 0xffff, true}, /* 0xe188 */ {RCS, GEN9_HALF_SLICE_CHICKEN7, 0xffff, true}, /* 0xe194 */ + {RCS, GEN8_ROW_CHICKEN, 0xffff, true}, /* 0xe4f0 */ {RCS, TRVATTL3PTRDW(0), 0, false}, /* 0x4de0 */ {RCS, TRVATTL3PTRDW(1), 0, false}, /* 0x4de4 */ {RCS, TRNULLDETCT, 0, false}, /* 0x4de8 */ @@ -557,9 +558,11 @@ void intel_gvt_switch_mmio(struct intel_vgpu *pre, * performace for batch mmio read/write, so we need * handle forcewake mannually. */ + intel_runtime_pm_get(dev_priv); intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); switch_mmio(pre, next, ring_id); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); + intel_runtime_pm_put(dev_priv); } /** diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index a55b497..638abe8 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -75,6 +75,54 @@ static void update_shadow_pdps(struct intel_vgpu_workload *workload) kunmap(page); } +/* + * when populating shadow ctx from guest, we should not overrride oa related + * registers, so that they will not be overlapped by guest oa configs. Thus + * made it possible to capture oa data from host for both host and guests. + */ +static void sr_oa_regs(struct intel_vgpu_workload *workload, + u32 *reg_state, bool save) +{ + struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv; + u32 ctx_oactxctrl = dev_priv->perf.oa.ctx_oactxctrl_offset; + u32 ctx_flexeu0 = dev_priv->perf.oa.ctx_flexeu0_offset; + int i = 0; + u32 flex_mmio[] = { + i915_mmio_reg_offset(EU_PERF_CNTL0), + i915_mmio_reg_offset(EU_PERF_CNTL1), + i915_mmio_reg_offset(EU_PERF_CNTL2), + i915_mmio_reg_offset(EU_PERF_CNTL3), + i915_mmio_reg_offset(EU_PERF_CNTL4), + i915_mmio_reg_offset(EU_PERF_CNTL5), + i915_mmio_reg_offset(EU_PERF_CNTL6), + }; + + if (!workload || !reg_state || workload->ring_id != RCS) + return; + + if (save) { + workload->oactxctrl = reg_state[ctx_oactxctrl + 1]; + + for (i = 0; i < ARRAY_SIZE(workload->flex_mmio); i++) { + u32 state_offset = ctx_flexeu0 + i * 2; + + workload->flex_mmio[i] = reg_state[state_offset + 1]; + } + } else { + reg_state[ctx_oactxctrl] = + i915_mmio_reg_offset(GEN8_OACTXCONTROL); + reg_state[ctx_oactxctrl + 1] = workload->oactxctrl; + + for (i = 0; i < ARRAY_SIZE(workload->flex_mmio); i++) { + u32 state_offset = ctx_flexeu0 + i * 2; + u32 mmio = flex_mmio[i]; + + reg_state[state_offset] = mmio; + reg_state[state_offset + 1] = workload->flex_mmio[i]; + } + } +} + static int populate_shadow_context(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; @@ -121,6 +169,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN); shadow_ring_context = kmap(page); + sr_oa_regs(workload, (u32 *)shadow_ring_context, true); #define COPY_REG(name) \ intel_gvt_hypervisor_read_gpa(vgpu, workload->ring_context_gpa \ + RING_CTX_OFF(name.val), &shadow_ring_context->name.val, 4) @@ -149,6 +198,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) sizeof(*shadow_ring_context), I915_GTT_PAGE_SIZE - sizeof(*shadow_ring_context)); + sr_oa_regs(workload, (u32 *)shadow_ring_context, false); kunmap(page); return 0; } @@ -408,6 +458,17 @@ static int prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) goto err; } + /* For privilge batch buffer and not wa_ctx, the bb_start_cmd_va + * is only updated into ring_scan_buffer, not real ring address + * allocated in later copy_workload_to_ring_buffer. pls be noted + * shadow_ring_buffer_va is now pointed to real ring buffer va + * in copy_workload_to_ring_buffer. + */ + + if (bb->bb_offset) + bb->bb_start_cmd_va = workload->shadow_ring_buffer_va + + bb->bb_offset; + /* relocate shadow batch buffer */ bb->bb_start_cmd_va[1] = i915_ggtt_offset(bb->vma); if (gmadr_bytes == 8) @@ -1078,10 +1139,12 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) bitmap_zero(s->shadow_ctx_desc_updated, I915_NUM_ENGINES); - s->workloads = kmem_cache_create("gvt-g_vgpu_workload", - sizeof(struct intel_vgpu_workload), 0, - SLAB_HWCACHE_ALIGN, - NULL); + s->workloads = kmem_cache_create_usercopy("gvt-g_vgpu_workload", + sizeof(struct intel_vgpu_workload), 0, + SLAB_HWCACHE_ALIGN, + offsetof(struct intel_vgpu_workload, rb_tail), + sizeof_field(struct intel_vgpu_workload, rb_tail), + NULL); if (!s->workloads) { ret = -ENOMEM; diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h index bab4097..486ed57 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.h +++ b/drivers/gpu/drm/i915/gvt/scheduler.h @@ -110,6 +110,10 @@ struct intel_vgpu_workload { /* shadow batch buffer */ struct list_head shadow_bb; struct intel_shadow_wa_ctx wa_ctx; + + /* oa registers */ + u32 oactxctrl; + u32 flex_mmio[7]; }; struct intel_vgpu_shadow_bb { @@ -120,6 +124,7 @@ struct intel_vgpu_shadow_bb { u32 *bb_start_cmd_va; unsigned int clflush; bool accessing; + unsigned long bb_offset; }; #define workload_q_head(vgpu, ring_id) \ diff --git a/drivers/gpu/drm/i915/gvt/trace.h b/drivers/gpu/drm/i915/gvt/trace.h index fc7831a..82093f1 100644 --- a/drivers/gpu/drm/i915/gvt/trace.h +++ b/drivers/gpu/drm/i915/gvt/trace.h @@ -333,7 +333,7 @@ TRACE_EVENT(render_mmio, TP_PROTO(int old_id, int new_id, char *action, unsigned int reg, unsigned int old_val, unsigned int new_val), - TP_ARGS(old_id, new_id, action, reg, new_val, old_val), + TP_ARGS(old_id, new_id, action, reg, old_val, new_val), TP_STRUCT__entry( __field(int, old_id) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0359d6f..7b5a9d7 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -433,20 +433,28 @@ i915_gem_object_wait_reservation(struct reservation_object *resv, dma_fence_put(shared[i]); kfree(shared); + /* + * If both shared fences and an exclusive fence exist, + * then by construction the shared fences must be later + * than the exclusive fence. If we successfully wait for + * all the shared fences, we know that the exclusive fence + * must all be signaled. If all the shared fences are + * signaled, we can prune the array and recover the + * floating references on the fences/requests. + */ prune_fences = count && timeout >= 0; } else { excl = reservation_object_get_excl_rcu(resv); } - if (excl && timeout >= 0) { + if (excl && timeout >= 0) timeout = i915_gem_object_wait_fence(excl, flags, timeout, rps_client); - prune_fences = timeout >= 0; - } dma_fence_put(excl); - /* Oportunistically prune the fences iff we know they have *all* been + /* + * Opportunistically prune the fences iff we know they have *all* been * signaled and that the reservation object has not been changed (i.e. * no new fences have been added). */ diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index b33d215..e5e6f6b 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -304,8 +304,9 @@ static ssize_t gt_boost_freq_mhz_store(struct device *kdev, { struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); struct intel_rps *rps = &dev_priv->gt_pm.rps; - u32 val; + bool boost = false; ssize_t ret; + u32 val; ret = kstrtou32(buf, 0, &val); if (ret) @@ -317,8 +318,13 @@ static ssize_t gt_boost_freq_mhz_store(struct device *kdev, return -EINVAL; mutex_lock(&dev_priv->pcu_lock); - rps->boost_freq = val; + if (val != rps->boost_freq) { + rps->boost_freq = val; + boost = atomic_read(&rps->num_waiters); + } mutex_unlock(&dev_priv->pcu_lock); + if (boost) + schedule_work(&rps->work); return count; } diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index dbcf1a0..8c2d778 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2205,8 +2205,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, intel_prepare_dp_ddi_buffers(encoder, crtc_state); intel_ddi_init_dp_buf_reg(encoder); - if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); intel_dp_start_link_train(intel_dp); if (port != PORT_A || INTEL_GEN(dev_priv) >= 9) intel_dp_stop_link_train(intel_dp); @@ -2304,14 +2303,12 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); struct intel_dp *intel_dp = &dig_port->dp; - bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); /* * Power down sink before disabling the port, otherwise we end * up getting interrupts from the sink on detecting link loss. */ - if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); intel_disable_ddi_buf(encoder); diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/intel_hangcheck.c index 42e45ae..c8ea510 100644 --- a/drivers/gpu/drm/i915/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/intel_hangcheck.c @@ -246,7 +246,7 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) */ tmp = I915_READ_CTL(engine); if (tmp & RING_WAIT) { - i915_handle_error(dev_priv, 0, + i915_handle_error(dev_priv, BIT(engine->id), "Kicking stuck wait on %s", engine->name); I915_WRITE_CTL(engine, tmp); @@ -258,7 +258,7 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) default: return ENGINE_DEAD; case 1: - i915_handle_error(dev_priv, 0, + i915_handle_error(dev_priv, ALL_ENGINES, "Kicking stuck semaphore on %s", engine->name); I915_WRITE_CTL(engine, tmp); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 9a99618..e83af0f 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -225,7 +225,11 @@ static void ipu_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { drm_crtc_vblank_on(crtc); +} +static void ipu_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) +{ spin_lock_irq(&crtc->dev->event_lock); if (crtc->state->event) { WARN_ON(drm_crtc_vblank_get(crtc)); @@ -293,6 +297,7 @@ static const struct drm_crtc_helper_funcs ipu_helper_funcs = { .mode_set_nofb = ipu_crtc_mode_set_nofb, .atomic_check = ipu_crtc_atomic_check, .atomic_begin = ipu_crtc_atomic_begin, + .atomic_flush = ipu_crtc_atomic_flush, .atomic_disable = ipu_crtc_atomic_disable, .atomic_enable = ipu_crtc_atomic_enable, }; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index d7e3583..203f247 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -22,6 +22,7 @@ #include <drm/drm_plane_helper.h> #include "video/imx-ipu-v3.h" +#include "imx-drm.h" #include "ipuv3-plane.h" struct ipu_plane_state { @@ -272,7 +273,7 @@ static void ipu_plane_destroy(struct drm_plane *plane) kfree(ipu_plane); } -void ipu_plane_state_reset(struct drm_plane *plane) +static void ipu_plane_state_reset(struct drm_plane *plane) { struct ipu_plane_state *ipu_state; @@ -292,7 +293,8 @@ void ipu_plane_state_reset(struct drm_plane *plane) plane->state = &ipu_state->base; } -struct drm_plane_state *ipu_plane_duplicate_state(struct drm_plane *plane) +static struct drm_plane_state * +ipu_plane_duplicate_state(struct drm_plane *plane) { struct ipu_plane_state *state; @@ -306,8 +308,8 @@ struct drm_plane_state *ipu_plane_duplicate_state(struct drm_plane *plane) return &state->base; } -void ipu_plane_destroy_state(struct drm_plane *plane, - struct drm_plane_state *state) +static void ipu_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) { struct ipu_plane_state *ipu_state = to_ipu_plane_state(state); diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c index 5155f01..0552020 100644 --- a/drivers/gpu/drm/meson/meson_crtc.c +++ b/drivers/gpu/drm/meson/meson_crtc.c @@ -36,6 +36,7 @@ #include "meson_venc.h" #include "meson_vpp.h" #include "meson_viu.h" +#include "meson_canvas.h" #include "meson_registers.h" /* CRTC definition */ @@ -192,6 +193,11 @@ void meson_crtc_irq(struct meson_drm *priv) } else meson_vpp_disable_interlace_vscaler_osd1(priv); + meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1, + priv->viu.osd1_addr, priv->viu.osd1_stride, + priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE, + MESON_CANVAS_BLKMODE_LINEAR); + /* Enable OSD1 */ writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND, priv->io_base + _REG(VPP_MISC)); diff --git a/drivers/gpu/drm/meson/meson_drv.h b/drivers/gpu/drm/meson/meson_drv.h index 5e8b392..8450d6ac 100644 --- a/drivers/gpu/drm/meson/meson_drv.h +++ b/drivers/gpu/drm/meson/meson_drv.h @@ -43,6 +43,9 @@ struct meson_drm { bool osd1_commit; uint32_t osd1_ctrl_stat; uint32_t osd1_blk0_cfg[5]; + uint32_t osd1_addr; + uint32_t osd1_stride; + uint32_t osd1_height; } viu; struct { diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index c78a3a5..12c80df 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -160,10 +160,9 @@ static void meson_plane_atomic_update(struct drm_plane *plane, /* Update Canvas with buffer address */ gem = drm_fb_cma_get_gem_obj(fb, 0); - meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1, - gem->paddr, fb->pitches[0], - fb->height, MESON_CANVAS_WRAP_NONE, - MESON_CANVAS_BLKMODE_LINEAR); + priv->viu.osd1_addr = gem->paddr; + priv->viu.osd1_stride = fb->pitches[0]; + priv->viu.osd1_height = fb->height; spin_unlock_irqrestore(&priv->drm->event_lock, flags); } diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index 380f340..debbbf0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -134,7 +134,7 @@ nv50_get_intensity(struct backlight_device *bd) struct nouveau_encoder *nv_encoder = bl_get_data(bd); struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); struct nvif_object *device = &drm->client.device.object; - int or = nv_encoder->or; + int or = ffs(nv_encoder->dcb->or) - 1; u32 div = 1025; u32 val; @@ -149,7 +149,7 @@ nv50_set_intensity(struct backlight_device *bd) struct nouveau_encoder *nv_encoder = bl_get_data(bd); struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); struct nvif_object *device = &drm->client.device.object; - int or = nv_encoder->or; + int or = ffs(nv_encoder->dcb->or) - 1; u32 div = 1025; u32 val = (bd->props.brightness * div) / 100; @@ -170,7 +170,7 @@ nva3_get_intensity(struct backlight_device *bd) struct nouveau_encoder *nv_encoder = bl_get_data(bd); struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); struct nvif_object *device = &drm->client.device.object; - int or = nv_encoder->or; + int or = ffs(nv_encoder->dcb->or) - 1; u32 div, val; div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or)); @@ -188,7 +188,7 @@ nva3_set_intensity(struct backlight_device *bd) struct nouveau_encoder *nv_encoder = bl_get_data(bd); struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); struct nvif_object *device = &drm->client.device.object; - int or = nv_encoder->or; + int or = ffs(nv_encoder->dcb->or) - 1; u32 div, val; div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or)); @@ -228,7 +228,7 @@ nv50_backlight_init(struct drm_connector *connector) return -ENODEV; } - if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(nv_encoder->or))) + if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(ffs(nv_encoder->dcb->or) - 1))) return 0; if (drm->client.device.info.chipset <= 0xa0 || @@ -268,13 +268,13 @@ nouveau_backlight_init(struct drm_device *dev) struct nvif_device *device = &drm->client.device; struct drm_connector *connector; + INIT_LIST_HEAD(&drm->bl_connectors); + if (apple_gmux_present()) { NV_INFO(drm, "Apple GMUX detected: not registering Nouveau backlight interface\n"); return 0; } - INIT_LIST_HEAD(&drm->bl_connectors); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && connector->connector_type != DRM_MODE_CONNECTOR_eDP) diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 69d6e61..6ed9cb0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -570,9 +570,15 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) nv_connector->edid = NULL; } - ret = pm_runtime_get_sync(connector->dev->dev); - if (ret < 0 && ret != -EACCES) - return conn_status; + /* Outputs are only polled while runtime active, so acquiring a + * runtime PM ref here is unnecessary (and would deadlock upon + * runtime suspend because it waits for polling to finish). + */ + if (!drm_kms_helper_is_poll_worker()) { + ret = pm_runtime_get_sync(connector->dev->dev); + if (ret < 0 && ret != -EACCES) + return conn_status; + } nv_encoder = nouveau_connector_ddc_detect(connector); if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { @@ -647,8 +653,10 @@ detect_analog: out: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return conn_status; } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 6af3bc4..8bd739c 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -4469,6 +4469,7 @@ nv50_display_create(struct drm_device *dev) nouveau_display(dev)->fini = nv50_display_fini; disp->disp = &nouveau_display(dev)->disp; dev->mode_config.funcs = &nv50_disp_func; + dev->driver->driver_features |= DRIVER_PREFER_XBGR_30BPP; if (nouveau_atomic) dev->driver->driver_features |= DRIVER_ATOMIC; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c index 93946dc..1c12e58 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c @@ -1354,7 +1354,7 @@ nvkm_vmm_get_locked(struct nvkm_vmm *vmm, bool getref, bool mapref, bool sparse, tail = this->addr + this->size; if (vmm->func->page_block && next && next->page != p) - tail = ALIGN_DOWN(addr, vmm->func->page_block); + tail = ALIGN_DOWN(tail, vmm->func->page_block); if (addr <= tail && tail - addr >= size) { rb_erase(&this->tree, &vmm->free); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c index bf62303..3695cde 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c @@ -301,7 +301,7 @@ nvkm_therm_attr_set(struct nvkm_therm *therm, void nvkm_therm_clkgate_enable(struct nvkm_therm *therm) { - if (!therm->func->clkgate_enable || !therm->clkgating_enabled) + if (!therm || !therm->func->clkgate_enable || !therm->clkgating_enabled) return; nvkm_debug(&therm->subdev, @@ -312,7 +312,7 @@ nvkm_therm_clkgate_enable(struct nvkm_therm *therm) void nvkm_therm_clkgate_fini(struct nvkm_therm *therm, bool suspend) { - if (!therm->func->clkgate_fini || !therm->clkgating_enabled) + if (!therm || !therm->func->clkgate_fini || !therm->clkgating_enabled) return; nvkm_debug(&therm->subdev, @@ -395,7 +395,7 @@ void nvkm_therm_clkgate_init(struct nvkm_therm *therm, const struct nvkm_therm_clkgate_pack *p) { - if (!therm->func->clkgate_init || !therm->clkgating_enabled) + if (!therm || !therm->func->clkgate_init || !therm->clkgating_enabled) return; therm->func->clkgate_init(therm, p); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index b108eaa..df9469a 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -892,9 +892,11 @@ radeon_lvds_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; int r; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); @@ -917,8 +919,12 @@ radeon_lvds_detect(struct drm_connector *connector, bool force) /* check acpi lid status ??? */ radeon_connector_update_scratch_regs(connector, ret); - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } + return ret; } @@ -1032,9 +1038,11 @@ radeon_vga_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; int r; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } encoder = radeon_best_single_encoder(connector); if (!encoder) @@ -1101,8 +1109,10 @@ radeon_vga_detect(struct drm_connector *connector, bool force) radeon_connector_update_scratch_regs(connector, ret); out: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } @@ -1166,9 +1176,11 @@ radeon_tv_detect(struct drm_connector *connector, bool force) if (!radeon_connector->dac_load_detect) return ret; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } encoder = radeon_best_single_encoder(connector); if (!encoder) @@ -1180,8 +1192,12 @@ radeon_tv_detect(struct drm_connector *connector, bool force) if (ret == connector_status_connected) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); radeon_connector_update_scratch_regs(connector, ret); - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } + return ret; } @@ -1244,9 +1260,11 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (radeon_connector->detected_hpd_without_ddc) { force = true; @@ -1429,8 +1447,10 @@ out: } exit: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } @@ -1681,9 +1701,11 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_dig_connector->is_mst) return connector_status_disconnected; - r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) - return connector_status_disconnected; + if (!drm_kms_helper_is_poll_worker()) { + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + } if (!force && radeon_check_hpd_status_unchanged(connector)) { ret = connector->status; @@ -1770,8 +1792,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) } out: - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); + if (!drm_kms_helper_is_poll_worker()) { + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + } return ret; } diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 3b2d11b6..2d7c574 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -111,6 +111,8 @@ static void sun4i_crtc_atomic_disable(struct drm_crtc *crtc, DRM_DEBUG_DRIVER("Disabling the CRTC\n"); + drm_crtc_vblank_off(crtc); + sun4i_tcon_set_status(scrtc->tcon, encoder, false); if (crtc->state->event && !crtc->state->active) { @@ -131,6 +133,8 @@ static void sun4i_crtc_atomic_enable(struct drm_crtc *crtc, DRM_DEBUG_DRIVER("Enabling the CRTC\n"); sun4i_tcon_set_status(scrtc->tcon, encoder, true); + + drm_crtc_vblank_on(crtc); } static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c index 023f39b..e36004f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c +++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c @@ -132,10 +132,13 @@ static int sun4i_dclk_get_phase(struct clk_hw *hw) static int sun4i_dclk_set_phase(struct clk_hw *hw, int degrees) { struct sun4i_dclk *dclk = hw_to_dclk(hw); + u32 val = degrees / 120; + + val <<= 28; regmap_update_bits(dclk->regmap, SUN4I_TCON0_IO_POL_REG, GENMASK(29, 28), - degrees / 120); + val); return 0; } diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index 7f0705e..50d1960 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -113,7 +113,7 @@ static int sun4i_drv_bind(struct device *dev) /* drm_vblank_init calls kcalloc, which can fail */ ret = drm_vblank_init(drm, drm->mode_config.num_crtc); if (ret) - goto free_mem_region; + goto cleanup_mode_config; drm->irq_enabled = true; @@ -141,7 +141,6 @@ finish_poll: sun4i_framebuffer_free(drm); cleanup_mode_config: drm_mode_config_cleanup(drm); -free_mem_region: of_reserved_mem_device_release(dev); free_drm: drm_dev_unref(drm); diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c index 500b6fb..fa4bcd0 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -538,7 +538,8 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master, &sun4i_hdmi_regmap_config); if (IS_ERR(hdmi->regmap)) { dev_err(dev, "Couldn't create HDMI encoder regmap\n"); - return PTR_ERR(hdmi->regmap); + ret = PTR_ERR(hdmi->regmap); + goto err_disable_mod_clk; } ret = sun4i_tmds_create(hdmi); @@ -551,7 +552,8 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master, hdmi->ddc_parent_clk = devm_clk_get(dev, "ddc"); if (IS_ERR(hdmi->ddc_parent_clk)) { dev_err(dev, "Couldn't get the HDMI DDC clock\n"); - return PTR_ERR(hdmi->ddc_parent_clk); + ret = PTR_ERR(hdmi->ddc_parent_clk); + goto err_disable_mod_clk; } } else { hdmi->ddc_parent_clk = hdmi->tmds_clk; diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index a2a697a..f2fa1f2 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -92,6 +92,8 @@ static enum drm_mode_status sun4i_rgb_mode_valid(struct drm_encoder *crtc, DRM_DEBUG_DRIVER("Vertical parameters OK\n"); + tcon->dclk_min_div = 6; + tcon->dclk_max_div = 127; rounded_rate = clk_round_rate(tcon->dclk, rate); if (rounded_rate < rate) return MODE_CLOCK_LOW; diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 1a114e3..c3d92d5 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -103,10 +103,13 @@ static void sun4i_tcon_channel_set_status(struct sun4i_tcon *tcon, int channel, return; } - if (enabled) + if (enabled) { clk_prepare_enable(clk); - else + clk_rate_exclusive_get(clk); + } else { + clk_rate_exclusive_put(clk); clk_disable_unprepare(clk); + } } static void sun4i_tcon_lvds_set_status(struct sun4i_tcon *tcon, @@ -339,6 +342,9 @@ static void sun4i_tcon0_mode_set_lvds(struct sun4i_tcon *tcon, regmap_update_bits(tcon->regs, SUN4I_TCON_GCTL_REG, SUN4I_TCON_GCTL_IOMAP_MASK, SUN4I_TCON_GCTL_IOMAP_TCON0); + + /* Enable the output on the pins */ + regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, 0xe0000000); } static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, @@ -921,52 +927,56 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master, return ret; } - /* - * This can only be made optional since we've had DT nodes - * without the LVDS reset properties. - * - * If the property is missing, just disable LVDS, and print a - * warning. - */ - tcon->lvds_rst = devm_reset_control_get_optional(dev, "lvds"); - if (IS_ERR(tcon->lvds_rst)) { - dev_err(dev, "Couldn't get our reset line\n"); - return PTR_ERR(tcon->lvds_rst); - } else if (tcon->lvds_rst) { - has_lvds_rst = true; - reset_control_reset(tcon->lvds_rst); - } else { - has_lvds_rst = false; - } + if (tcon->quirks->supports_lvds) { + /* + * This can only be made optional since we've had DT + * nodes without the LVDS reset properties. + * + * If the property is missing, just disable LVDS, and + * print a warning. + */ + tcon->lvds_rst = devm_reset_control_get_optional(dev, "lvds"); + if (IS_ERR(tcon->lvds_rst)) { + dev_err(dev, "Couldn't get our reset line\n"); + return PTR_ERR(tcon->lvds_rst); + } else if (tcon->lvds_rst) { + has_lvds_rst = true; + reset_control_reset(tcon->lvds_rst); + } else { + has_lvds_rst = false; + } - /* - * This can only be made optional since we've had DT nodes - * without the LVDS reset properties. - * - * If the property is missing, just disable LVDS, and print a - * warning. - */ - if (tcon->quirks->has_lvds_alt) { - tcon->lvds_pll = devm_clk_get(dev, "lvds-alt"); - if (IS_ERR(tcon->lvds_pll)) { - if (PTR_ERR(tcon->lvds_pll) == -ENOENT) { - has_lvds_alt = false; + /* + * This can only be made optional since we've had DT + * nodes without the LVDS reset properties. + * + * If the property is missing, just disable LVDS, and + * print a warning. + */ + if (tcon->quirks->has_lvds_alt) { + tcon->lvds_pll = devm_clk_get(dev, "lvds-alt"); + if (IS_ERR(tcon->lvds_pll)) { + if (PTR_ERR(tcon->lvds_pll) == -ENOENT) { + has_lvds_alt = false; + } else { + dev_err(dev, "Couldn't get the LVDS PLL\n"); + return PTR_ERR(tcon->lvds_pll); + } } else { - dev_err(dev, "Couldn't get the LVDS PLL\n"); - return PTR_ERR(tcon->lvds_pll); + has_lvds_alt = true; } - } else { - has_lvds_alt = true; } - } - if (!has_lvds_rst || (tcon->quirks->has_lvds_alt && !has_lvds_alt)) { - dev_warn(dev, - "Missing LVDS properties, Please upgrade your DT\n"); - dev_warn(dev, "LVDS output disabled\n"); - can_lvds = false; + if (!has_lvds_rst || + (tcon->quirks->has_lvds_alt && !has_lvds_alt)) { + dev_warn(dev, "Missing LVDS properties, Please upgrade your DT\n"); + dev_warn(dev, "LVDS output disabled\n"); + can_lvds = false; + } else { + can_lvds = true; + } } else { - can_lvds = true; + can_lvds = false; } ret = sun4i_tcon_init_clocks(dev, tcon); @@ -1195,6 +1205,7 @@ static const struct sun4i_tcon_quirks sun8i_a33_quirks = { }; static const struct sun4i_tcon_quirks sun8i_a83t_lcd_quirks = { + .supports_lvds = true, .has_channel_0 = true, }; diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h index d3a945b..161e094 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.h +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h @@ -177,6 +177,7 @@ struct sun4i_tcon_quirks { bool has_lvds_alt; /* Does the LVDS clock have a parent other than the TCON clock? */ bool needs_de_be_mux; /* sun6i needs mux to select backend */ bool needs_edp_reset; /* a80 edp reset needed for tcon0 access */ + bool supports_lvds; /* Does the TCON support an LVDS output? */ /* callback to handle tcon muxing options */ int (*set_mux)(struct sun4i_tcon *, const struct drm_encoder *); diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 7115277..616c963 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1916,8 +1916,12 @@ cleanup: if (!IS_ERR(primary)) drm_plane_cleanup(primary); - if (group && tegra->domain) { - iommu_detach_group(tegra->domain, group); + if (group && dc->domain) { + if (group == tegra->group) { + iommu_detach_group(dc->domain, group); + tegra->group = NULL; + } + dc->domain = NULL; } @@ -1926,8 +1930,10 @@ cleanup: static int tegra_dc_exit(struct host1x_client *client) { + struct drm_device *drm = dev_get_drvdata(client->parent); struct iommu_group *group = iommu_group_get(client->dev); struct tegra_dc *dc = host1x_client_to_dc(client); + struct tegra_drm *tegra = drm->dev_private; int err; devm_free_irq(dc->dev, dc->irq, dc); @@ -1939,7 +1945,11 @@ static int tegra_dc_exit(struct host1x_client *client) } if (group && dc->domain) { - iommu_detach_group(dc->domain, group); + if (group == tegra->group) { + iommu_detach_group(dc->domain, group); + tegra->group = NULL; + } + dc->domain = NULL; } diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index e20e013..7afe2f6 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -222,6 +222,7 @@ static void tegra_drm_unload(struct drm_device *drm) drm_kms_helper_poll_fini(drm); tegra_drm_fb_exit(drm); + drm_atomic_helper_shutdown(drm); drm_mode_config_cleanup(drm); err = host1x_device_exit(device); diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 4d2ed96..87c5d89 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1072,7 +1072,6 @@ static int tegra_dsi_exit(struct host1x_client *client) struct tegra_dsi *dsi = host1x_client_to_dsi(client); tegra_output_exit(&dsi->output); - regulator_disable(dsi->vdd); return 0; } diff --git a/drivers/gpu/drm/tegra/plane.c b/drivers/gpu/drm/tegra/plane.c index 6d6e2d0..176ef46 100644 --- a/drivers/gpu/drm/tegra/plane.c +++ b/drivers/gpu/drm/tegra/plane.c @@ -307,6 +307,10 @@ int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha) case WIN_COLOR_DEPTH_B8G8R8X8: *alpha = WIN_COLOR_DEPTH_B8G8R8A8; return 0; + + case WIN_COLOR_DEPTH_B5G6R5: + *alpha = opaque; + return 0; } return -EINVAL; @@ -340,9 +344,6 @@ void tegra_plane_check_dependent(struct tegra_plane *tegra, unsigned int zpos[2]; unsigned int i; - for (i = 0; i < 3; i++) - state->dependent[i] = false; - for (i = 0; i < 2; i++) zpos[i] = 0; @@ -356,6 +357,8 @@ void tegra_plane_check_dependent(struct tegra_plane *tegra, index = tegra_plane_get_overlap_index(tegra, p); + state->dependent[index] = false; + /* * If any of the other planes is on top of this plane and uses * a format with an alpha component, mark this plane as being diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index b5b335c..2ebdc6d 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -159,10 +159,15 @@ static int udl_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { unsigned long start = vma->vm_start; unsigned long size = vma->vm_end - vma->vm_start; - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + unsigned long offset; unsigned long page, pos; - if (offset + size > info->fix.smem_len) + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + + offset = vma->vm_pgoff << PAGE_SHIFT; + + if (offset > info->fix.smem_len || size > info->fix.smem_len - offset) return -EINVAL; pos = (unsigned long)info->fix.smem_start + offset; diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index a14e8a2..7bdf6f0 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -198,6 +198,9 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data, case VIRTGPU_PARAM_3D_FEATURES: value = vgdev->has_virgl_3d == true ? 1 : 0; break; + case VIRTGPU_PARAM_CAPSET_QUERY_FIX: + value = 1; + break; default: return -EINVAL; } @@ -473,7 +476,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, { struct virtio_gpu_device *vgdev = dev->dev_private; struct drm_virtgpu_get_caps *args = data; - int size; + unsigned size, host_caps_size; int i; int found_valid = -1; int ret; @@ -483,6 +486,10 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, if (vgdev->num_capsets == 0) return -ENOSYS; + /* don't allow userspace to pass 0 */ + if (args->size == 0) + return -EINVAL; + spin_lock(&vgdev->display_info_lock); for (i = 0; i < vgdev->num_capsets; i++) { if (vgdev->capsets[i].id == args->cap_set_id) { @@ -498,11 +505,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, return -EINVAL; } - size = vgdev->capsets[found_valid].max_size; - if (args->size > size) { - spin_unlock(&vgdev->display_info_lock); - return -EINVAL; - } + host_caps_size = vgdev->capsets[found_valid].max_size; + /* only copy to user the minimum of the host caps size or the guest caps size */ + size = min(args->size, host_caps_size); list_for_each_entry(cache_ent, &vgdev->cap_cache, head) { if (cache_ent->id == args->cap_set_id && diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 61a03ac..70e1a88 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1338,6 +1338,19 @@ static void __vmw_svga_disable(struct vmw_private *dev_priv) */ void vmw_svga_disable(struct vmw_private *dev_priv) { + /* + * Disabling SVGA will turn off device modesetting capabilities, so + * notify KMS about that so that it doesn't cache atomic state that + * isn't valid anymore, for example crtcs turned on. + * Strictly we'd want to do this under the SVGA lock (or an SVGA mutex), + * but vmw_kms_lost_device() takes the reservation sem and thus we'll + * end up with lock order reversal. Thus, a master may actually perform + * a new modeset just after we call vmw_kms_lost_device() and race with + * vmw_svga_disable(), but that should at worst cause atomic KMS state + * to be inconsistent with the device, causing modesetting problems. + * + */ + vmw_kms_lost_device(dev_priv->dev); ttm_write_lock(&dev_priv->reservation_sem, false); spin_lock(&dev_priv->svga_lock); if (dev_priv->bdev.man[TTM_PL_VRAM].use_type) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 9e60de9..f34f368 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -949,6 +949,7 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); int vmw_kms_suspend(struct drm_device *dev); int vmw_kms_resume(struct drm_device *dev); +void vmw_kms_lost_device(struct drm_device *dev); int vmw_dumb_create(struct drm_file *file_priv, struct drm_device *dev, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 3628a9f..f11601b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -31,7 +31,6 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_rect.h> - /* Might need a hrtimer here? */ #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1) @@ -2513,9 +2512,12 @@ void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv, * Helper to be used if an error forces the caller to undo the actions of * vmw_kms_helper_resource_prepare. */ -void vmw_kms_helper_resource_revert(struct vmw_resource *res) +void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx) { - vmw_kms_helper_buffer_revert(res->backup); + struct vmw_resource *res = ctx->res; + + vmw_kms_helper_buffer_revert(ctx->buf); + vmw_dmabuf_unreference(&ctx->buf); vmw_resource_unreserve(res, false, NULL, 0); mutex_unlock(&res->dev_priv->cmdbuf_mutex); } @@ -2532,10 +2534,14 @@ void vmw_kms_helper_resource_revert(struct vmw_resource *res) * interrupted by a signal. */ int vmw_kms_helper_resource_prepare(struct vmw_resource *res, - bool interruptible) + bool interruptible, + struct vmw_validation_ctx *ctx) { int ret = 0; + ctx->buf = NULL; + ctx->res = res; + if (interruptible) ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex); else @@ -2555,6 +2561,8 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res, false); if (ret) goto out_unreserve; + + ctx->buf = vmw_dmabuf_reference(res->backup); } ret = vmw_resource_validate(res); if (ret) @@ -2562,7 +2570,7 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res, return 0; out_revert: - vmw_kms_helper_buffer_revert(res->backup); + vmw_kms_helper_buffer_revert(ctx->buf); out_unreserve: vmw_resource_unreserve(res, false, NULL, 0); out_unlock: @@ -2578,11 +2586,13 @@ out_unlock: * @out_fence: Optional pointer to a fence pointer. If non-NULL, a * ref-counted fence pointer is returned here. */ -void vmw_kms_helper_resource_finish(struct vmw_resource *res, - struct vmw_fence_obj **out_fence) +void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx, + struct vmw_fence_obj **out_fence) { - if (res->backup || out_fence) - vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup, + struct vmw_resource *res = ctx->res; + + if (ctx->buf || out_fence) + vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf, out_fence, NULL); vmw_resource_unreserve(res, false, NULL, 0); @@ -2896,3 +2906,13 @@ int vmw_kms_resume(struct drm_device *dev) return ret; } + +/** + * vmw_kms_lost_device - Notify kms that modesetting capabilities will be lost + * + * @dev: Pointer to the drm device + */ +void vmw_kms_lost_device(struct drm_device *dev) +{ + drm_atomic_helper_shutdown(dev); +} diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 4e8749a..6b7c012 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -241,6 +241,11 @@ struct vmw_display_unit { int set_gui_y; }; +struct vmw_validation_ctx { + struct vmw_resource *res; + struct vmw_dma_buffer *buf; +}; + #define vmw_crtc_to_du(x) \ container_of(x, struct vmw_display_unit, crtc) #define vmw_connector_to_du(x) \ @@ -298,9 +303,10 @@ void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv, struct drm_vmw_fence_rep __user * user_fence_rep); int vmw_kms_helper_resource_prepare(struct vmw_resource *res, - bool interruptible); -void vmw_kms_helper_resource_revert(struct vmw_resource *res); -void vmw_kms_helper_resource_finish(struct vmw_resource *res, + bool interruptible, + struct vmw_validation_ctx *ctx); +void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx); +void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx, struct vmw_fence_obj **out_fence); int vmw_kms_readback(struct vmw_private *dev_priv, struct drm_file *file_priv, @@ -446,5 +452,4 @@ int vmw_kms_stdu_dma(struct vmw_private *dev_priv, int vmw_kms_set_config(struct drm_mode_set *set, struct drm_modeset_acquire_ctx *ctx); - #endif diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index 419185f..648f812 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -938,12 +938,13 @@ int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, struct vmw_framebuffer_surface *vfbs = container_of(framebuffer, typeof(*vfbs), base); struct vmw_kms_sou_surface_dirty sdirty; + struct vmw_validation_ctx ctx; int ret; if (!srf) srf = &vfbs->surface->res; - ret = vmw_kms_helper_resource_prepare(srf, true); + ret = vmw_kms_helper_resource_prepare(srf, true, &ctx); if (ret) return ret; @@ -963,7 +964,7 @@ int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, dest_x, dest_y, num_clips, inc, &sdirty.base); - vmw_kms_helper_resource_finish(srf, out_fence); + vmw_kms_helper_resource_finish(&ctx, out_fence); return ret; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index 8eec889..67331f0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -916,12 +916,13 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, struct vmw_framebuffer_surface *vfbs = container_of(framebuffer, typeof(*vfbs), base); struct vmw_stdu_dirty sdirty; + struct vmw_validation_ctx ctx; int ret; if (!srf) srf = &vfbs->surface->res; - ret = vmw_kms_helper_resource_prepare(srf, true); + ret = vmw_kms_helper_resource_prepare(srf, true, &ctx); if (ret) return ret; @@ -945,7 +946,7 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, dest_x, dest_y, num_clips, inc, &sdirty.base); out_finish: - vmw_kms_helper_resource_finish(srf, out_fence); + vmw_kms_helper_resource_finish(&ctx, out_fence); return ret; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 658fa2d..48685cd 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1089,7 +1089,7 @@ static void ipu_irq_handler(struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); - const int int_reg[] = { 0, 1, 2, 3, 10, 11, 12, 13, 14}; + static const int int_reg[] = { 0, 1, 2, 3, 10, 11, 12, 13, 14}; chained_irq_enter(chip, desc); @@ -1102,7 +1102,7 @@ static void ipu_err_irq_handler(struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); - const int int_reg[] = { 4, 5, 8, 9}; + static const int int_reg[] = { 4, 5, 8, 9}; chained_irq_enter(chip, desc); diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index bb9c087..9f2d9ec 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -788,12 +788,14 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) case V4L2_PIX_FMT_SGBRG8: case V4L2_PIX_FMT_SGRBG8: case V4L2_PIX_FMT_SRGGB8: + case V4L2_PIX_FMT_GREY: offset = image->rect.left + image->rect.top * pix->bytesperline; break; case V4L2_PIX_FMT_SBGGR16: case V4L2_PIX_FMT_SGBRG16: case V4L2_PIX_FMT_SGRBG16: case V4L2_PIX_FMT_SRGGB16: + case V4L2_PIX_FMT_Y16: offset = image->rect.left * 2 + image->rect.top * pix->bytesperline; break; diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 24e12b8..caa05b0 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -288,6 +288,7 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code) case MEDIA_BUS_FMT_SGBRG10_1X10: case MEDIA_BUS_FMT_SGRBG10_1X10: case MEDIA_BUS_FMT_SRGGB10_1X10: + case MEDIA_BUS_FMT_Y10_1X10: cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; cfg->mipi_dt = MIPI_DT_RAW10; cfg->data_width = IPU_CSI_DATA_WIDTH_10; @@ -296,6 +297,7 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code) case MEDIA_BUS_FMT_SGBRG12_1X12: case MEDIA_BUS_FMT_SGRBG12_1X12: case MEDIA_BUS_FMT_SRGGB12_1X12: + case MEDIA_BUS_FMT_Y12_1X12: cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; cfg->mipi_dt = MIPI_DT_RAW12; cfg->data_width = IPU_CSI_DATA_WIDTH_12; diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c index f1cec3d..0f70e88 100644 --- a/drivers/gpu/ipu-v3/ipu-pre.c +++ b/drivers/gpu/ipu-v3/ipu-pre.c @@ -129,11 +129,14 @@ ipu_pre_lookup_by_phandle(struct device *dev, const char *name, int index) if (pre_node == pre->dev->of_node) { mutex_unlock(&ipu_pre_list_mutex); device_link_add(dev, pre->dev, DL_FLAG_AUTOREMOVE); + of_node_put(pre_node); return pre; } } mutex_unlock(&ipu_pre_list_mutex); + of_node_put(pre_node); + return NULL; } diff --git a/drivers/gpu/ipu-v3/ipu-prg.c b/drivers/gpu/ipu-v3/ipu-prg.c index 067365c..83f9dd9 100644 --- a/drivers/gpu/ipu-v3/ipu-prg.c +++ b/drivers/gpu/ipu-v3/ipu-prg.c @@ -102,11 +102,14 @@ ipu_prg_lookup_by_phandle(struct device *dev, const char *name, int ipu_id) mutex_unlock(&ipu_prg_list_mutex); device_link_add(dev, prg->dev, DL_FLAG_AUTOREMOVE); prg->id = ipu_id; + of_node_put(prg_node); return prg; } } mutex_unlock(&ipu_prg_list_mutex); + of_node_put(prg_node); + return NULL; } @@ -247,10 +250,14 @@ void ipu_prg_channel_disable(struct ipuv3_channel *ipu_chan) { int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num); struct ipu_prg *prg = ipu_chan->ipu->prg_priv; - struct ipu_prg_channel *chan = &prg->chan[prg_chan]; + struct ipu_prg_channel *chan; u32 val; - if (!chan->enabled || prg_chan < 0) + if (prg_chan < 0) + return; + + chan = &prg->chan[prg_chan]; + if (!chan->enabled) return; pm_runtime_get_sync(prg->dev); @@ -277,13 +284,15 @@ int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan, { int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num); struct ipu_prg *prg = ipu_chan->ipu->prg_priv; - struct ipu_prg_channel *chan = &prg->chan[prg_chan]; + struct ipu_prg_channel *chan; u32 val; int ret; if (prg_chan < 0) return prg_chan; + chan = &prg->chan[prg_chan]; + if (chan->enabled) { ipu_pre_update(prg->pres[chan->used_pre], *eba); return 0; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 43ddcdf..9454ac1 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -645,6 +645,9 @@ #define USB_DEVICE_ID_LD_MICROCASSYTIME 0x1033 #define USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE 0x1035 #define USB_DEVICE_ID_LD_MICROCASSYPH 0x1038 +#define USB_DEVICE_ID_LD_POWERANALYSERCASSY 0x1040 +#define USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY 0x1042 +#define USB_DEVICE_ID_LD_MACHINETESTCASSY 0x1043 #define USB_DEVICE_ID_LD_JWM 0x1080 #define USB_DEVICE_ID_LD_DMMP 0x1081 #define USB_DEVICE_ID_LD_UMIP 0x1090 diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 5f6035a..e92b77f 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -809,6 +809,9 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERANALYSERCASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETESTCASSY) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 50e0714..8699bb9 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -417,13 +417,24 @@ __hv_pkt_iter_next(struct vmbus_channel *channel, } EXPORT_SYMBOL_GPL(__hv_pkt_iter_next); +/* How many bytes were read in this iterator cycle */ +static u32 hv_pkt_iter_bytes_read(const struct hv_ring_buffer_info *rbi, + u32 start_read_index) +{ + if (rbi->priv_read_index >= start_read_index) + return rbi->priv_read_index - start_read_index; + else + return rbi->ring_datasize - start_read_index + + rbi->priv_read_index; +} + /* * Update host ring buffer after iterating over packets. */ void hv_pkt_iter_close(struct vmbus_channel *channel) { struct hv_ring_buffer_info *rbi = &channel->inbound; - u32 orig_write_sz = hv_get_bytes_to_write(rbi); + u32 curr_write_sz, pending_sz, bytes_read, start_read_index; /* * Make sure all reads are done before we update the read index since @@ -431,8 +442,12 @@ void hv_pkt_iter_close(struct vmbus_channel *channel) * is updated. */ virt_rmb(); + start_read_index = rbi->ring_buffer->read_index; rbi->ring_buffer->read_index = rbi->priv_read_index; + if (!rbi->ring_buffer->feature_bits.feat_pending_send_sz) + return; + /* * Issue a full memory barrier before making the signaling decision. * Here is the reason for having this barrier: @@ -446,26 +461,29 @@ void hv_pkt_iter_close(struct vmbus_channel *channel) */ virt_mb(); - /* If host has disabled notifications then skip */ - if (rbi->ring_buffer->interrupt_mask) + pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz); + if (!pending_sz) return; - if (rbi->ring_buffer->feature_bits.feat_pending_send_sz) { - u32 pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz); + /* + * Ensure the read of write_index in hv_get_bytes_to_write() + * happens after the read of pending_send_sz. + */ + virt_rmb(); + curr_write_sz = hv_get_bytes_to_write(rbi); + bytes_read = hv_pkt_iter_bytes_read(rbi, start_read_index); - /* - * If there was space before we began iteration, - * then host was not blocked. Also handles case where - * pending_sz is zero then host has nothing pending - * and does not need to be signaled. - */ - if (orig_write_sz > pending_sz) - return; + /* + * If there was space before we began iteration, + * then host was not blocked. + */ - /* If pending write will not fit, don't give false hope. */ - if (hv_get_bytes_to_write(rbi) < pending_sz) - return; - } + if (curr_write_sz - bytes_read > pending_sz) + return; + + /* If pending write will not fit, don't give false hope. */ + if (curr_write_sz <= pending_sz) + return; vmbus_setevent(channel); } diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 4bdbf77..72c338e 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -269,13 +269,13 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) for (i = 0; i < ARRAY_SIZE(tjmax_model_table); i++) { const struct tjmax_model *tm = &tjmax_model_table[i]; if (c->x86_model == tm->model && - (tm->mask == ANY || c->x86_mask == tm->mask)) + (tm->mask == ANY || c->x86_stepping == tm->mask)) return tm->tjmax; } /* Early chips have no MSR for TjMax */ - if (c->x86_model == 0xf && c->x86_mask < 4) + if (c->x86_model == 0xf && c->x86_stepping < 4) usemsr_ee = 0; if (c->x86_model > 0xe && usemsr_ee) { @@ -426,7 +426,7 @@ static int chk_ucode_version(unsigned int cpu) * Readings might stop update when processor visited too deep sleep, * fixed for stepping D0 (6EC). */ - if (c->x86_model == 0xe && c->x86_mask < 0xc && c->microcode < 0x39) { + if (c->x86_model == 0xe && c->x86_stepping < 0xc && c->microcode < 0x39) { pr_err("Errata AE18 not fixed, update BIOS or microcode of the CPU!\n"); return -ENODEV; } diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index ef91b8a..84e9128 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -293,7 +293,7 @@ u8 vid_which_vrm(void) if (c->x86 < 6) /* Any CPU with family lower than 6 */ return 0; /* doesn't have VID */ - vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_mask, c->x86_vendor); + vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_stepping, c->x86_vendor); if (vrm_ret == 134) vrm_ret = get_via_model_d_vrm(); if (vrm_ret == 0) diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 06b4e1c..051a72e 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -129,7 +129,10 @@ static ssize_t temp1_input_show(struct device *dev, data->read_tempreg(data->pdev, ®val); temp = (regval >> 21) * 125; - temp -= data->temp_offset; + if (temp > data->temp_offset) + temp -= data->temp_offset; + else + temp = 0; return sprintf(buf, "%u\n", temp); } @@ -227,7 +230,7 @@ static bool has_erratum_319(struct pci_dev *pdev) * and AM3 formats, but that's the best we can do. */ return boot_cpu_data.x86_model < 4 || - (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_mask <= 2); + (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_stepping <= 2); } static int k10temp_probe(struct pci_dev *pdev, diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index 5a632bc..e59f911 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -187,7 +187,7 @@ static int k8temp_probe(struct pci_dev *pdev, return -ENOMEM; model = boot_cpu_data.x86_model; - stepping = boot_cpu_data.x86_mask; + stepping = boot_cpu_data.x86_stepping; /* feature available since SH-C0, exclude older revisions */ if ((model == 4 && stepping == 0) || diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a9805c7..e2954fb 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -123,8 +123,10 @@ config I2C_I801 Wildcat Point (PCH) Wildcat Point-LP (PCH) BayTrail (SOC) + Braswell (SOC) Sunrise Point-H (PCH) Sunrise Point-LP (PCH) + Kaby Lake-H (PCH) DNV (SOC) Broxton (SOC) Lewisburg (PCH) diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c index cd07a69..44deae7 100644 --- a/drivers/i2c/busses/i2c-bcm2835.c +++ b/drivers/i2c/busses/i2c-bcm2835.c @@ -50,6 +50,9 @@ #define BCM2835_I2C_S_CLKT BIT(9) #define BCM2835_I2C_S_LEN BIT(10) /* Fake bit for SW error reporting */ +#define BCM2835_I2C_FEDL_SHIFT 16 +#define BCM2835_I2C_REDL_SHIFT 0 + #define BCM2835_I2C_CDIV_MIN 0x0002 #define BCM2835_I2C_CDIV_MAX 0xFFFE @@ -81,7 +84,7 @@ static inline u32 bcm2835_i2c_readl(struct bcm2835_i2c_dev *i2c_dev, u32 reg) static int bcm2835_i2c_set_divider(struct bcm2835_i2c_dev *i2c_dev) { - u32 divider; + u32 divider, redl, fedl; divider = DIV_ROUND_UP(clk_get_rate(i2c_dev->clk), i2c_dev->bus_clk_rate); @@ -100,6 +103,22 @@ static int bcm2835_i2c_set_divider(struct bcm2835_i2c_dev *i2c_dev) bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_DIV, divider); + /* + * Number of core clocks to wait after falling edge before + * outputting the next data bit. Note that both FEDL and REDL + * can't be greater than CDIV/2. + */ + fedl = max(divider / 16, 1u); + + /* + * Number of core clocks to wait after rising edge before + * sampling the next incoming data bit. + */ + redl = max(divider / 4, 1u); + + bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_DEL, + (fedl << BCM2835_I2C_FEDL_SHIFT) | + (redl << BCM2835_I2C_REDL_SHIFT)); return 0; } diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index ae69188..0573253 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -209,7 +209,7 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) i2c_dw_disable_int(dev); /* Enable the adapter */ - __i2c_dw_enable(dev, true); + __i2c_dw_enable_and_wait(dev, true); /* Clear and enable interrupts */ dw_readl(dev, DW_IC_CLR_INTR); @@ -644,7 +644,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev) gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH); if (IS_ERR(gpio)) { r = PTR_ERR(gpio); - if (r == -ENOENT) + if (r == -ENOENT || r == -ENOSYS) return 0; return r; } diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 8eac00e..692b341 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -58,6 +58,7 @@ * Wildcat Point (PCH) 0x8ca2 32 hard yes yes yes * Wildcat Point-LP (PCH) 0x9ca2 32 hard yes yes yes * BayTrail (SOC) 0x0f12 32 hard yes yes yes + * Braswell (SOC) 0x2292 32 hard yes yes yes * Sunrise Point-H (PCH) 0xa123 32 hard yes yes yes * Sunrise Point-LP (PCH) 0x9d23 32 hard yes yes yes * DNV (SOC) 0x19df 32 hard yes yes yes diff --git a/drivers/i2c/busses/i2c-octeon-core.c b/drivers/i2c/busses/i2c-octeon-core.c index 1d8775799..d960790 100644 --- a/drivers/i2c/busses/i2c-octeon-core.c +++ b/drivers/i2c/busses/i2c-octeon-core.c @@ -233,6 +233,7 @@ static int octeon_i2c_check_status(struct octeon_i2c *i2c, int final_read) return -EOPNOTSUPP; case STAT_TXDATA_NAK: + case STAT_BUS_ERROR: return -EIO; case STAT_TXADDR_NAK: case STAT_RXADDR_NAK: diff --git a/drivers/i2c/busses/i2c-octeon-core.h b/drivers/i2c/busses/i2c-octeon-core.h index a7ef198..9bb9f64 100644 --- a/drivers/i2c/busses/i2c-octeon-core.h +++ b/drivers/i2c/busses/i2c-octeon-core.h @@ -43,7 +43,7 @@ #define TWSI_CTL_AAK 0x04 /* Assert ACK */ /* Status values */ -#define STAT_ERROR 0x00 +#define STAT_BUS_ERROR 0x00 #define STAT_START 0x08 #define STAT_REP_START 0x10 #define STAT_TXADDR_ACK 0x18 diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index 2fd8b6d..87197ec 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -341,7 +341,7 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, adap); init_completion(&siic->done); - /* Controller Initalisation */ + /* Controller initialisation */ writel(SIRFSOC_I2C_RESET, siic->base + SIRFSOC_I2C_CTRL); while (readl(siic->base + SIRFSOC_I2C_CTRL) & SIRFSOC_I2C_RESET) @@ -369,7 +369,7 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) * but they start to affect the speed when clock is set to faster * frequencies. * Through the actual tests, use the different user_div value(which - * in the divider formular 'Fio / (Fi2c * user_div)') to adapt + * in the divider formula 'Fio / (Fi2c * user_div)') to adapt * the different ranges of i2c bus clock frequency, to make the SCL * more accurate. */ diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 17fd55a..caa20eb 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -928,7 +928,7 @@ static int exact_lock(dev_t dev, void *data) { struct gendisk *p = data; - if (!get_disk(p)) + if (!get_disk_and_module(p)) return -1; return 0; } diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 6fe995c..3e6fd5a 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -920,6 +920,8 @@ static const struct iio_trigger_ops st_accel_trigger_ops = { int st_accel_common_probe(struct iio_dev *indio_dev) { struct st_sensor_data *adata = iio_priv(indio_dev); + struct st_sensors_platform_data *pdata = + (struct st_sensors_platform_data *)adata->dev->platform_data; int irq = adata->get_irq_data_ready(indio_dev); int err; @@ -946,7 +948,10 @@ int st_accel_common_probe(struct iio_dev *indio_dev) &adata->sensor_settings->fs.fs_avl[0]; adata->odr = adata->sensor_settings->odr.odr_avl[0].hz; - err = st_sensors_init_sensor(indio_dev, adata->dev->platform_data); + if (!pdata) + pdata = (struct st_sensors_platform_data *)&default_accel_pdata; + + err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) goto st_accel_power_off; diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index 327a49b..9515ca1 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -243,7 +243,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) ASPEED_ADC_INIT_POLLING_TIME, ASPEED_ADC_INIT_TIMEOUT); if (ret) - goto scaler_error; + goto poll_timeout_error; } /* Start all channels in normal mode. */ @@ -274,9 +274,10 @@ iio_register_error: writel(ASPEED_OPERATION_MODE_POWER_DOWN, data->base + ASPEED_REG_ENGINE_CONTROL); clk_disable_unprepare(data->clk_scaler->clk); -reset_error: - reset_control_assert(data->rst); clk_enable_error: +poll_timeout_error: + reset_control_assert(data->rst); +reset_error: clk_hw_unregister_divider(data->clk_scaler); scaler_error: clk_hw_unregister_divider(data->clk_prescaler); diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 29fa773..ede955d 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -462,8 +462,10 @@ static int meson_sar_adc_lock(struct iio_dev *indio_dev) regmap_read(priv->regmap, MESON_SAR_ADC_DELAY, &val); } while (val & MESON_SAR_ADC_DELAY_BL30_BUSY && timeout--); - if (timeout < 0) + if (timeout < 0) { + mutex_unlock(&indio_dev->mlock); return -ETIMEDOUT; + } } return 0; diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 7f5def4..9a2583ca 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -722,8 +722,6 @@ static int stm32h7_adc_enable(struct stm32_adc *adc) int ret; u32 val; - /* Clear ADRDY by writing one, then enable ADC */ - stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY); stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN); /* Poll for ADRDY to be set (after adc startup time) */ @@ -731,8 +729,11 @@ static int stm32h7_adc_enable(struct stm32_adc *adc) val & STM32H7_ADRDY, 100, STM32_ADC_TIMEOUT_US); if (ret) { - stm32_adc_clr_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN); + stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADDIS); dev_err(&indio_dev->dev, "Failed to enable ADC\n"); + } else { + /* Clear ADRDY by writing one */ + stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY); } return ret; diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c index daa026d..01422d1 100644 --- a/drivers/iio/adc/stm32-dfsdm-adc.c +++ b/drivers/iio/adc/stm32-dfsdm-adc.c @@ -54,7 +54,6 @@ struct stm32_dfsdm_adc { struct stm32_dfsdm *dfsdm; const struct stm32_dfsdm_dev_data *dev_data; unsigned int fl_id; - unsigned int ch_id; /* ADC specific */ unsigned int oversamp; @@ -384,7 +383,7 @@ static ssize_t dfsdm_adc_audio_set_spiclk(struct iio_dev *indio_dev, { struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); struct stm32_dfsdm_filter *fl = &adc->dfsdm->fl_list[adc->fl_id]; - struct stm32_dfsdm_channel *ch = &adc->dfsdm->ch_list[adc->ch_id]; + struct stm32_dfsdm_channel *ch = &adc->dfsdm->ch_list[chan->channel]; unsigned int sample_freq = adc->sample_freq; unsigned int spi_freq; int ret; @@ -419,18 +418,20 @@ static ssize_t dfsdm_adc_audio_set_spiclk(struct iio_dev *indio_dev, return len; } -static int stm32_dfsdm_start_conv(struct stm32_dfsdm_adc *adc, bool dma) +static int stm32_dfsdm_start_conv(struct stm32_dfsdm_adc *adc, + const struct iio_chan_spec *chan, + bool dma) { struct regmap *regmap = adc->dfsdm->regmap; int ret; unsigned int dma_en = 0, cont_en = 0; - ret = stm32_dfsdm_start_channel(adc->dfsdm, adc->ch_id); + ret = stm32_dfsdm_start_channel(adc->dfsdm, chan->channel); if (ret < 0) return ret; ret = stm32_dfsdm_filter_configure(adc->dfsdm, adc->fl_id, - adc->ch_id); + chan->channel); if (ret < 0) goto stop_channels; @@ -464,12 +465,13 @@ stop_channels: regmap_update_bits(regmap, DFSDM_CR1(adc->fl_id), DFSDM_CR1_RCONT_MASK, 0); - stm32_dfsdm_stop_channel(adc->dfsdm, adc->fl_id); + stm32_dfsdm_stop_channel(adc->dfsdm, chan->channel); return ret; } -static void stm32_dfsdm_stop_conv(struct stm32_dfsdm_adc *adc) +static void stm32_dfsdm_stop_conv(struct stm32_dfsdm_adc *adc, + const struct iio_chan_spec *chan) { struct regmap *regmap = adc->dfsdm->regmap; @@ -482,7 +484,7 @@ static void stm32_dfsdm_stop_conv(struct stm32_dfsdm_adc *adc) regmap_update_bits(regmap, DFSDM_CR1(adc->fl_id), DFSDM_CR1_RCONT_MASK, 0); - stm32_dfsdm_stop_channel(adc->dfsdm, adc->ch_id); + stm32_dfsdm_stop_channel(adc->dfsdm, chan->channel); } static int stm32_dfsdm_set_watermark(struct iio_dev *indio_dev, @@ -609,6 +611,7 @@ static int stm32_dfsdm_adc_dma_start(struct iio_dev *indio_dev) static int stm32_dfsdm_postenable(struct iio_dev *indio_dev) { struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); + const struct iio_chan_spec *chan = &indio_dev->channels[0]; int ret; /* Reset adc buffer index */ @@ -618,7 +621,7 @@ static int stm32_dfsdm_postenable(struct iio_dev *indio_dev) if (ret < 0) return ret; - ret = stm32_dfsdm_start_conv(adc, true); + ret = stm32_dfsdm_start_conv(adc, chan, true); if (ret) { dev_err(&indio_dev->dev, "Can't start conversion\n"); goto stop_dfsdm; @@ -635,7 +638,7 @@ static int stm32_dfsdm_postenable(struct iio_dev *indio_dev) return 0; err_stop_conv: - stm32_dfsdm_stop_conv(adc); + stm32_dfsdm_stop_conv(adc, chan); stop_dfsdm: stm32_dfsdm_stop_dfsdm(adc->dfsdm); @@ -645,11 +648,12 @@ stop_dfsdm: static int stm32_dfsdm_predisable(struct iio_dev *indio_dev) { struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); + const struct iio_chan_spec *chan = &indio_dev->channels[0]; if (adc->dma_chan) dmaengine_terminate_all(adc->dma_chan); - stm32_dfsdm_stop_conv(adc); + stm32_dfsdm_stop_conv(adc, chan); stm32_dfsdm_stop_dfsdm(adc->dfsdm); @@ -730,7 +734,7 @@ static int stm32_dfsdm_single_conv(struct iio_dev *indio_dev, if (ret < 0) goto stop_dfsdm; - ret = stm32_dfsdm_start_conv(adc, false); + ret = stm32_dfsdm_start_conv(adc, chan, false); if (ret < 0) { regmap_update_bits(adc->dfsdm->regmap, DFSDM_CR2(adc->fl_id), DFSDM_CR2_REOCIE_MASK, DFSDM_CR2_REOCIE(0)); @@ -751,7 +755,7 @@ static int stm32_dfsdm_single_conv(struct iio_dev *indio_dev, else ret = IIO_VAL_INT; - stm32_dfsdm_stop_conv(adc); + stm32_dfsdm_stop_conv(adc, chan); stop_dfsdm: stm32_dfsdm_stop_dfsdm(adc->dfsdm); @@ -765,7 +769,7 @@ static int stm32_dfsdm_write_raw(struct iio_dev *indio_dev, { struct stm32_dfsdm_adc *adc = iio_priv(indio_dev); struct stm32_dfsdm_filter *fl = &adc->dfsdm->fl_list[adc->fl_id]; - struct stm32_dfsdm_channel *ch = &adc->dfsdm->ch_list[adc->ch_id]; + struct stm32_dfsdm_channel *ch = &adc->dfsdm->ch_list[chan->channel]; unsigned int spi_freq = adc->spi_freq; int ret = -EINVAL; @@ -972,7 +976,6 @@ static int stm32_dfsdm_adc_chan_init_one(struct iio_dev *indio_dev, } ch->scan_type.realbits = 24; ch->scan_type.storagebits = 32; - adc->ch_id = ch->channel; return stm32_dfsdm_chan_configure(adc->dfsdm, &adc->dfsdm->ch_list[ch->channel]); @@ -1001,7 +1004,7 @@ static int stm32_dfsdm_audio_init(struct iio_dev *indio_dev) } ch->info_mask_separate = BIT(IIO_CHAN_INFO_SAMP_FREQ); - d_ch = &adc->dfsdm->ch_list[adc->ch_id]; + d_ch = &adc->dfsdm->ch_list[ch->channel]; if (d_ch->src != DFSDM_CHANNEL_SPI_CLOCK_EXTERNAL) adc->spi_freq = adc->dfsdm->spi_master_freq; @@ -1042,8 +1045,8 @@ static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev) return -ENOMEM; for (chan_idx = 0; chan_idx < num_ch; chan_idx++) { - ch->scan_index = chan_idx; - ret = stm32_dfsdm_adc_chan_init_one(indio_dev, ch); + ch[chan_idx].scan_index = chan_idx; + ret = stm32_dfsdm_adc_chan_init_one(indio_dev, &ch[chan_idx]); if (ret < 0) { dev_err(&indio_dev->dev, "Channels init failed\n"); return ret; diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c index 6290332..e50efdc 100644 --- a/drivers/iio/adc/stm32-dfsdm-core.c +++ b/drivers/iio/adc/stm32-dfsdm-core.c @@ -83,7 +83,7 @@ int stm32_dfsdm_start_dfsdm(struct stm32_dfsdm *dfsdm) { struct dfsdm_priv *priv = container_of(dfsdm, struct dfsdm_priv, dfsdm); struct device *dev = &priv->pdev->dev; - unsigned int clk_div = priv->spi_clk_out_div; + unsigned int clk_div = priv->spi_clk_out_div, clk_src; int ret; if (atomic_inc_return(&priv->n_active_ch) == 1) { @@ -100,6 +100,14 @@ int stm32_dfsdm_start_dfsdm(struct stm32_dfsdm *dfsdm) } } + /* select clock source, e.g. 0 for "dfsdm" or 1 for "audio" */ + clk_src = priv->aclk ? 1 : 0; + ret = regmap_update_bits(dfsdm->regmap, DFSDM_CHCFGR1(0), + DFSDM_CHCFGR1_CKOUTSRC_MASK, + DFSDM_CHCFGR1_CKOUTSRC(clk_src)); + if (ret < 0) + goto disable_aclk; + /* Output the SPI CLKOUT (if clk_div == 0 clock if OFF) */ ret = regmap_update_bits(dfsdm->regmap, DFSDM_CHCFGR1(0), DFSDM_CHCFGR1_CKOUTDIV_MASK, @@ -274,7 +282,7 @@ static int stm32_dfsdm_probe(struct platform_device *pdev) dfsdm->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "dfsdm", dfsdm->base, - &stm32h7_dfsdm_regmap_cfg); + dev_data->regmap_cfg); if (IS_ERR(dfsdm->regmap)) { ret = PTR_ERR(dfsdm->regmap); dev_err(&pdev->dev, "%s: Failed to allocate regmap: %d\n", diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index fbe2431..1ea9f55 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -133,6 +133,9 @@ static int ccs811_start_sensor_application(struct i2c_client *client) if (ret < 0) return ret; + if ((ret & CCS811_STATUS_FW_MODE_APPLICATION)) + return 0; + if ((ret & CCS811_STATUS_APP_VALID_MASK) != CCS811_STATUS_APP_VALID_LOADED) return -EIO; diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c index 0dd5a38..457372f 100644 --- a/drivers/iio/imu/adis_trigger.c +++ b/drivers/iio/imu/adis_trigger.c @@ -46,6 +46,10 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev) if (adis->trig == NULL) return -ENOMEM; + adis->trig->dev.parent = &adis->spi->dev; + adis->trig->ops = &adis_trigger_ops; + iio_trigger_set_drvdata(adis->trig, adis); + ret = request_irq(adis->spi->irq, &iio_trigger_generic_data_rdy_poll, IRQF_TRIGGER_RISING, @@ -54,9 +58,6 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev) if (ret) goto error_free_trig; - adis->trig->dev.parent = &adis->spi->dev; - adis->trig->ops = &adis_trigger_ops; - iio_trigger_set_drvdata(adis->trig, adis); ret = iio_trigger_register(adis->trig); indio_dev->trig = iio_trigger_get(adis->trig); diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 79abf70..cd5bfe3 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -175,7 +175,7 @@ __poll_t iio_buffer_poll(struct file *filp, struct iio_dev *indio_dev = filp->private_data; struct iio_buffer *rb = indio_dev->buffer; - if (!indio_dev->info) + if (!indio_dev->info || rb == NULL) return 0; poll_wait(filp, &rb->pollq, wait); diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 349e5c7..4ddb6cf 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -640,7 +640,7 @@ int st_press_common_probe(struct iio_dev *indio_dev) press_data->sensor_settings->drdy_irq.int2.addr)) pdata = (struct st_sensors_platform_data *)&default_press_pdata; - err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data); + err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) goto st_press_power_off; diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig index fcb1c4b..f726f94 100644 --- a/drivers/iio/proximity/Kconfig +++ b/drivers/iio/proximity/Kconfig @@ -68,6 +68,8 @@ config SX9500 config SRF08 tristate "Devantech SRF02/SRF08/SRF10 ultrasonic ranger sensor" + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER depends on I2C help Say Y here to build a driver for Devantech SRF02/SRF08/SRF10 diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index a5b4cf0..9183d148d 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -550,18 +550,13 @@ static int addr_resolve(struct sockaddr *src_in, dst_release(dst); } - if (ndev->flags & IFF_LOOPBACK) { - ret = rdma_translate_ip(dst_in, addr); - /* - * Put the loopback device and get the translated - * device instead. - */ + if (ndev) { + if (ndev->flags & IFF_LOOPBACK) + ret = rdma_translate_ip(dst_in, addr); + else + addr->bound_dev_if = ndev->ifindex; dev_put(ndev); - ndev = dev_get_by_index(addr->net, addr->bound_dev_if); - } else { - addr->bound_dev_if = ndev->ifindex; } - dev_put(ndev); return ret; } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index e66963c..a5367c5 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -3069,7 +3069,8 @@ static int cma_port_is_unique(struct rdma_bind_list *bind_list, continue; /* different dest port -> unique */ - if (!cma_any_port(cur_daddr) && + if (!cma_any_port(daddr) && + !cma_any_port(cur_daddr) && (dport != cur_dport)) continue; @@ -3080,7 +3081,8 @@ static int cma_port_is_unique(struct rdma_bind_list *bind_list, continue; /* different dst address -> unique */ - if (!cma_any_addr(cur_daddr) && + if (!cma_any_addr(daddr) && + !cma_any_addr(cur_daddr) && cma_addr_cmp(daddr, cur_daddr)) continue; @@ -3378,13 +3380,13 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) } #endif } + daddr = cma_dst_addr(id_priv); + daddr->sa_family = addr->sa_family; + ret = cma_get_port(id_priv); if (ret) goto err2; - daddr = cma_dst_addr(id_priv); - daddr->sa_family = addr->sa_family; - return 0; err2: if (id_priv->cma_dev) @@ -4173,6 +4175,9 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, struct cma_multicast *mc; int ret; + if (!id->device) + return -EINVAL; + id_priv = container_of(id, struct rdma_id_private, id); if (!cma_comp(id_priv, RDMA_CM_ADDR_BOUND) && !cma_comp(id_priv, RDMA_CM_ADDR_RESOLVED)) diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index c4560d8..25bb178 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -305,16 +305,21 @@ void nldev_exit(void); static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, struct ib_pd *pd, struct ib_qp_init_attr *attr, - struct ib_udata *udata) + struct ib_udata *udata, + struct ib_uobject *uobj) { struct ib_qp *qp; + if (!dev->create_qp) + return ERR_PTR(-EOPNOTSUPP); + qp = dev->create_qp(pd, attr, udata); if (IS_ERR(qp)) return qp; qp->device = dev; qp->pd = pd; + qp->uobject = uobj; /* * We don't track XRC QPs for now, because they don't have PD * and more importantly they are created internaly by driver, diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index bc79ca8..af5ad6a 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -17,6 +17,7 @@ /* # of WCs to poll for with a single call to ib_poll_cq */ #define IB_POLL_BATCH 16 +#define IB_POLL_BATCH_DIRECT 8 /* # of WCs to iterate over before yielding */ #define IB_POLL_BUDGET_IRQ 256 @@ -25,18 +26,18 @@ #define IB_POLL_FLAGS \ (IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS) -static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc) +static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *wcs, + int batch) { int i, n, completed = 0; - struct ib_wc *wcs = poll_wc ? : cq->wc; /* * budget might be (-1) if the caller does not * want to bound this call, thus we need unsigned * minimum here. */ - while ((n = ib_poll_cq(cq, min_t(u32, IB_POLL_BATCH, - budget - completed), wcs)) > 0) { + while ((n = ib_poll_cq(cq, min_t(u32, batch, + budget - completed), wcs)) > 0) { for (i = 0; i < n; i++) { struct ib_wc *wc = &wcs[i]; @@ -48,8 +49,7 @@ static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc) completed += n; - if (n != IB_POLL_BATCH || - (budget != -1 && completed >= budget)) + if (n != batch || (budget != -1 && completed >= budget)) break; } @@ -72,9 +72,9 @@ static int __ib_process_cq(struct ib_cq *cq, int budget, struct ib_wc *poll_wc) */ int ib_process_cq_direct(struct ib_cq *cq, int budget) { - struct ib_wc wcs[IB_POLL_BATCH]; + struct ib_wc wcs[IB_POLL_BATCH_DIRECT]; - return __ib_process_cq(cq, budget, wcs); + return __ib_process_cq(cq, budget, wcs, IB_POLL_BATCH_DIRECT); } EXPORT_SYMBOL(ib_process_cq_direct); @@ -88,7 +88,7 @@ static int ib_poll_handler(struct irq_poll *iop, int budget) struct ib_cq *cq = container_of(iop, struct ib_cq, iop); int completed; - completed = __ib_process_cq(cq, budget, NULL); + completed = __ib_process_cq(cq, budget, cq->wc, IB_POLL_BATCH); if (completed < budget) { irq_poll_complete(&cq->iop); if (ib_req_notify_cq(cq, IB_POLL_FLAGS) > 0) @@ -108,7 +108,8 @@ static void ib_cq_poll_work(struct work_struct *work) struct ib_cq *cq = container_of(work, struct ib_cq, work); int completed; - completed = __ib_process_cq(cq, IB_POLL_BUDGET_WORKQUEUE, NULL); + completed = __ib_process_cq(cq, IB_POLL_BUDGET_WORKQUEUE, cq->wc, + IB_POLL_BATCH); if (completed >= IB_POLL_BUDGET_WORKQUEUE || ib_req_notify_cq(cq, IB_POLL_FLAGS) > 0) queue_work(ib_comp_wq, &cq->work); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index e8010e7..bb065c9 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -536,14 +536,14 @@ int ib_register_device(struct ib_device *device, ret = device->query_device(device, &device->attrs, &uhw); if (ret) { pr_warn("Couldn't query the device attributes\n"); - goto cache_cleanup; + goto cg_cleanup; } ret = ib_device_register_sysfs(device, port_callback); if (ret) { pr_warn("Couldn't register device %s with driver model\n", device->name); - goto cache_cleanup; + goto cg_cleanup; } device->reg_state = IB_DEV_REGISTERED; @@ -559,6 +559,8 @@ int ib_register_device(struct ib_device *device, mutex_unlock(&device_mutex); return 0; +cg_cleanup: + ib_device_unregister_rdmacg(device); cache_cleanup: ib_cache_cleanup_one(device); ib_cache_release_one(device); diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c index 85b5ee4..d8eead5 100644 --- a/drivers/infiniband/core/rdma_core.c +++ b/drivers/infiniband/core/rdma_core.c @@ -141,7 +141,12 @@ static struct ib_uobject *alloc_uobj(struct ib_ucontext *context, */ uobj->context = context; uobj->type = type; - atomic_set(&uobj->usecnt, 0); + /* + * Allocated objects start out as write locked to deny any other + * syscalls from accessing them until they are committed. See + * rdma_alloc_commit_uobject + */ + atomic_set(&uobj->usecnt, -1); kref_init(&uobj->ref); return uobj; @@ -196,7 +201,15 @@ static struct ib_uobject *lookup_get_idr_uobject(const struct uverbs_obj_type *t goto free; } - uverbs_uobject_get(uobj); + /* + * The idr_find is guaranteed to return a pointer to something that + * isn't freed yet, or NULL, as the free after idr_remove goes through + * kfree_rcu(). However the object may still have been released and + * kfree() could be called at any time. + */ + if (!kref_get_unless_zero(&uobj->ref)) + uobj = ERR_PTR(-ENOENT); + free: rcu_read_unlock(); return uobj; @@ -399,13 +412,13 @@ static int __must_check remove_commit_fd_uobject(struct ib_uobject *uobj, return ret; } -static void lockdep_check(struct ib_uobject *uobj, bool exclusive) +static void assert_uverbs_usecnt(struct ib_uobject *uobj, bool exclusive) { #ifdef CONFIG_LOCKDEP if (exclusive) - WARN_ON(atomic_read(&uobj->usecnt) > 0); + WARN_ON(atomic_read(&uobj->usecnt) != -1); else - WARN_ON(atomic_read(&uobj->usecnt) == -1); + WARN_ON(atomic_read(&uobj->usecnt) <= 0); #endif } @@ -444,7 +457,7 @@ int __must_check rdma_remove_commit_uobject(struct ib_uobject *uobj) WARN(true, "ib_uverbs: Cleanup is running while removing an uobject\n"); return 0; } - lockdep_check(uobj, true); + assert_uverbs_usecnt(uobj, true); ret = _rdma_remove_commit_uobject(uobj, RDMA_REMOVE_DESTROY); up_read(&ucontext->cleanup_rwsem); @@ -474,16 +487,17 @@ int rdma_explicit_destroy(struct ib_uobject *uobject) WARN(true, "ib_uverbs: Cleanup is running while removing an uobject\n"); return 0; } - lockdep_check(uobject, true); + assert_uverbs_usecnt(uobject, true); ret = uobject->type->type_class->remove_commit(uobject, RDMA_REMOVE_DESTROY); if (ret) - return ret; + goto out; uobject->type = &null_obj_type; +out: up_read(&ucontext->cleanup_rwsem); - return 0; + return ret; } static void alloc_commit_idr_uobject(struct ib_uobject *uobj) @@ -527,6 +541,10 @@ int rdma_alloc_commit_uobject(struct ib_uobject *uobj) return ret; } + /* matches atomic_set(-1) in alloc_uobj */ + assert_uverbs_usecnt(uobj, true); + atomic_set(&uobj->usecnt, 0); + uobj->type->type_class->alloc_commit(uobj); up_read(&uobj->context->cleanup_rwsem); @@ -561,7 +579,7 @@ static void lookup_put_fd_uobject(struct ib_uobject *uobj, bool exclusive) void rdma_lookup_put_uobject(struct ib_uobject *uobj, bool exclusive) { - lockdep_check(uobj, exclusive); + assert_uverbs_usecnt(uobj, exclusive); uobj->type->type_class->lookup_put(uobj, exclusive); /* * In order to unlock an object, either decrease its usecnt for diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c index 857637b..3dbc4e4 100644 --- a/drivers/infiniband/core/restrack.c +++ b/drivers/infiniband/core/restrack.c @@ -7,7 +7,6 @@ #include <rdma/restrack.h> #include <linux/mutex.h> #include <linux/sched/task.h> -#include <linux/uaccess.h> #include <linux/pid_namespace.h> void rdma_restrack_init(struct rdma_restrack_root *res) @@ -63,7 +62,6 @@ static struct ib_device *res_to_dev(struct rdma_restrack_entry *res) { enum rdma_restrack_type type = res->type; struct ib_device *dev; - struct ib_xrcd *xrcd; struct ib_pd *pd; struct ib_cq *cq; struct ib_qp *qp; @@ -81,10 +79,6 @@ static struct ib_device *res_to_dev(struct rdma_restrack_entry *res) qp = container_of(res, struct ib_qp, res); dev = qp->device; break; - case RDMA_RESTRACK_XRCD: - xrcd = container_of(res, struct ib_xrcd, res); - dev = xrcd->device; - break; default: WARN_ONCE(true, "Wrong resource tracking type %u\n", type); return NULL; @@ -93,6 +87,21 @@ static struct ib_device *res_to_dev(struct rdma_restrack_entry *res) return dev; } +static bool res_is_user(struct rdma_restrack_entry *res) +{ + switch (res->type) { + case RDMA_RESTRACK_PD: + return container_of(res, struct ib_pd, res)->uobject; + case RDMA_RESTRACK_CQ: + return container_of(res, struct ib_cq, res)->uobject; + case RDMA_RESTRACK_QP: + return container_of(res, struct ib_qp, res)->uobject; + default: + WARN_ONCE(true, "Wrong resource tracking type %u\n", res->type); + return false; + } +} + void rdma_restrack_add(struct rdma_restrack_entry *res) { struct ib_device *dev = res_to_dev(res); @@ -100,7 +109,7 @@ void rdma_restrack_add(struct rdma_restrack_entry *res) if (!dev) return; - if (!uaccess_kernel()) { + if (res_is_user(res)) { get_task_struct(current); res->task = current; res->kern_name = NULL; diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 8cf15d4..9f029a1 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1291,10 +1291,9 @@ int ib_init_ah_attr_from_path(struct ib_device *device, u8 port_num, resolved_dev = dev_get_by_index(dev_addr.net, dev_addr.bound_dev_if); - if (resolved_dev->flags & IFF_LOOPBACK) { - dev_put(resolved_dev); - resolved_dev = idev; - dev_hold(resolved_dev); + if (!resolved_dev) { + dev_put(idev); + return -ENODEV; } ndev = ib_get_ndev_from_path(rec); rcu_read_lock(); diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index f015f1b..e5a1e7d 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -132,7 +132,7 @@ static inline struct ucma_context *_ucma_find_context(int id, ctx = idr_find(&ctx_idr, id); if (!ctx) ctx = ERR_PTR(-ENOENT); - else if (ctx->file != file) + else if (ctx->file != file || !ctx->cm_id) ctx = ERR_PTR(-EINVAL); return ctx; } @@ -456,6 +456,7 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf, struct rdma_ucm_create_id cmd; struct rdma_ucm_create_id_resp resp; struct ucma_context *ctx; + struct rdma_cm_id *cm_id; enum ib_qp_type qp_type; int ret; @@ -476,10 +477,10 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf, return -ENOMEM; ctx->uid = cmd.uid; - ctx->cm_id = rdma_create_id(current->nsproxy->net_ns, - ucma_event_handler, ctx, cmd.ps, qp_type); - if (IS_ERR(ctx->cm_id)) { - ret = PTR_ERR(ctx->cm_id); + cm_id = rdma_create_id(current->nsproxy->net_ns, + ucma_event_handler, ctx, cmd.ps, qp_type); + if (IS_ERR(cm_id)) { + ret = PTR_ERR(cm_id); goto err1; } @@ -489,14 +490,19 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf, ret = -EFAULT; goto err2; } + + ctx->cm_id = cm_id; return 0; err2: - rdma_destroy_id(ctx->cm_id); + rdma_destroy_id(cm_id); err1: mutex_lock(&mut); idr_remove(&ctx_idr, ctx->id); mutex_unlock(&mut); + mutex_lock(&file->mut); + list_del(&ctx->list); + mutex_unlock(&file->mut); kfree(ctx); return ret; } @@ -664,19 +670,23 @@ static ssize_t ucma_resolve_ip(struct ucma_file *file, int in_len, int out_len) { struct rdma_ucm_resolve_ip cmd; + struct sockaddr *src, *dst; struct ucma_context *ctx; int ret; if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; + src = (struct sockaddr *) &cmd.src_addr; + dst = (struct sockaddr *) &cmd.dst_addr; + if (!rdma_addr_size(src) || !rdma_addr_size(dst)) + return -EINVAL; + ctx = ucma_get_ctx(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); - ret = rdma_resolve_addr(ctx->cm_id, (struct sockaddr *) &cmd.src_addr, - (struct sockaddr *) &cmd.dst_addr, - cmd.timeout_ms); + ret = rdma_resolve_addr(ctx->cm_id, src, dst, cmd.timeout_ms); ucma_put_ctx(ctx); return ret; } @@ -1149,6 +1159,9 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; + if (cmd.qp_state > IB_QPS_ERR) + return -EINVAL; + ctx = ucma_get_ctx(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1294,6 +1307,9 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf, if (IS_ERR(ctx)) return PTR_ERR(ctx); + if (unlikely(cmd.optval > KMALLOC_MAX_SIZE)) + return -EINVAL; + optval = memdup_user((void __user *) (unsigned long) cmd.optval, cmd.optlen); if (IS_ERR(optval)) { @@ -1343,7 +1359,7 @@ static ssize_t ucma_process_join(struct ucma_file *file, return -ENOSPC; addr = (struct sockaddr *) &cmd->addr; - if (!cmd->addr_size || (cmd->addr_size != rdma_addr_size(addr))) + if (cmd->addr_size != rdma_addr_size(addr)) return -EINVAL; if (cmd->join_flags == RDMA_MC_JOIN_FLAG_FULLMEMBER) @@ -1411,6 +1427,9 @@ static ssize_t ucma_join_ip_multicast(struct ucma_file *file, join_cmd.uid = cmd.uid; join_cmd.id = cmd.id; join_cmd.addr_size = rdma_addr_size((struct sockaddr *) &cmd.addr); + if (!join_cmd.addr_size) + return -EINVAL; + join_cmd.join_flags = RDMA_MC_JOIN_FLAG_FULLMEMBER; memcpy(&join_cmd.addr, &cmd.addr, join_cmd.addr_size); @@ -1426,6 +1445,9 @@ static ssize_t ucma_join_multicast(struct ucma_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; + if (!rdma_addr_size((struct sockaddr *)&cmd.addr)) + return -EINVAL; + return ucma_process_join(file, &cmd, out_len); } diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 256934d..a148de3 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -562,9 +562,10 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, if (f.file) fdput(f); + mutex_unlock(&file->device->xrcd_tree_mutex); + uobj_alloc_commit(&obj->uobject); - mutex_unlock(&file->device->xrcd_tree_mutex); return in_len; err_copy: @@ -603,10 +604,8 @@ ssize_t ib_uverbs_close_xrcd(struct ib_uverbs_file *file, uobj = uobj_get_write(uobj_get_type(xrcd), cmd.xrcd_handle, file->ucontext); - if (IS_ERR(uobj)) { - mutex_unlock(&file->device->xrcd_tree_mutex); + if (IS_ERR(uobj)) return PTR_ERR(uobj); - } ret = uobj_remove_commit(uobj); return ret ?: in_len; @@ -979,6 +978,9 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file, struct ib_uverbs_ex_create_cq_resp resp; struct ib_cq_init_attr attr = {}; + if (!ib_dev->create_cq) + return ERR_PTR(-EOPNOTSUPP); + if (cmd->comp_vector >= file->device->num_comp_vectors) return ERR_PTR(-EINVAL); @@ -1030,14 +1032,14 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file, resp.response_length = offsetof(typeof(resp), response_length) + sizeof(resp.response_length); + cq->res.type = RDMA_RESTRACK_CQ; + rdma_restrack_add(&cq->res); + ret = cb(file, obj, &resp, ucore, context); if (ret) goto err_cb; uobj_alloc_commit(&obj->uobject); - cq->res.type = RDMA_RESTRACK_CQ; - rdma_restrack_add(&cq->res); - return obj; err_cb: @@ -1518,7 +1520,8 @@ static int create_qp(struct ib_uverbs_file *file, if (cmd->qp_type == IB_QPT_XRC_TGT) qp = ib_create_qp(pd, &attr); else - qp = _ib_create_qp(device, pd, &attr, uhw); + qp = _ib_create_qp(device, pd, &attr, uhw, + &obj->uevent.uobject); if (IS_ERR(qp)) { ret = PTR_ERR(qp); @@ -1550,8 +1553,10 @@ static int create_qp(struct ib_uverbs_file *file, atomic_inc(&attr.srq->usecnt); if (ind_tbl) atomic_inc(&ind_tbl->usecnt); + } else { + /* It is done in _ib_create_qp for other QP types */ + qp->uobject = &obj->uevent.uobject; } - qp->uobject = &obj->uevent.uobject; obj->uevent.uobject.object = qp; @@ -1971,8 +1976,15 @@ static int modify_qp(struct ib_uverbs_file *file, goto release_qp; } + if ((cmd->base.attr_mask & IB_QP_AV) && + !rdma_is_port_valid(qp->device, cmd->base.dest.port_num)) { + ret = -EINVAL; + goto release_qp; + } + if ((cmd->base.attr_mask & IB_QP_ALT_PATH) && - !rdma_is_port_valid(qp->device, cmd->base.alt_port_num)) { + (!rdma_is_port_valid(qp->device, cmd->base.alt_port_num) || + !rdma_is_port_valid(qp->device, cmd->base.alt_dest.port_num))) { ret = -EINVAL; goto release_qp; } @@ -2941,6 +2953,11 @@ int ib_uverbs_ex_create_wq(struct ib_uverbs_file *file, wq_init_attr.create_flags = cmd.create_flags; obj->uevent.events_reported = 0; INIT_LIST_HEAD(&obj->uevent.event_list); + + if (!pd->device->create_wq) { + err = -EOPNOTSUPP; + goto err_put_cq; + } wq = pd->device->create_wq(pd, &wq_init_attr, uhw); if (IS_ERR(wq)) { err = PTR_ERR(wq); @@ -3084,7 +3101,12 @@ int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file, wq_attr.flags = cmd.flags; wq_attr.flags_mask = cmd.flags_mask; } + if (!wq->device->modify_wq) { + ret = -EOPNOTSUPP; + goto out; + } ret = wq->device->modify_wq(wq, &wq_attr, cmd.attr_mask, uhw); +out: uobj_put_obj_read(wq); return ret; } @@ -3181,6 +3203,11 @@ int ib_uverbs_ex_create_rwq_ind_table(struct ib_uverbs_file *file, init_attr.log_ind_tbl_size = cmd.log_ind_tbl_size; init_attr.ind_tbl = wqs; + + if (!ib_dev->create_rwq_ind_table) { + err = -EOPNOTSUPP; + goto err_uobj; + } rwq_ind_tbl = ib_dev->create_rwq_ind_table(ib_dev, &init_attr, uhw); if (IS_ERR(rwq_ind_tbl)) { @@ -3770,6 +3797,9 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, struct ib_device_attr attr = {0}; int err; + if (!ib_dev->query_device) + return -EOPNOTSUPP; + if (ucore->inlen < sizeof(cmd)) return -EINVAL; diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c index d96dc1d..339b851 100644 --- a/drivers/infiniband/core/uverbs_ioctl.c +++ b/drivers/infiniband/core/uverbs_ioctl.c @@ -59,6 +59,9 @@ static int uverbs_process_attr(struct ib_device *ibdev, return 0; } + if (test_bit(attr_id, attr_bundle_h->valid_bitmap)) + return -EINVAL; + spec = &attr_spec_bucket->attrs[attr_id]; e = &elements[attr_id]; e->uattr = uattr_ptr; diff --git a/drivers/infiniband/core/uverbs_ioctl_merge.c b/drivers/infiniband/core/uverbs_ioctl_merge.c index 062485f..62e1eb1 100644 --- a/drivers/infiniband/core/uverbs_ioctl_merge.c +++ b/drivers/infiniband/core/uverbs_ioctl_merge.c @@ -114,6 +114,7 @@ static size_t get_elements_above_id(const void **iters, short min = SHRT_MAX; const void *elem; int i, j, last_stored = -1; + unsigned int equal_min = 0; for_each_element(elem, i, j, elements, num_elements, num_offset, data_offset) { @@ -136,6 +137,10 @@ static size_t get_elements_above_id(const void **iters, */ iters[last_stored == i ? num_iters - 1 : num_iters++] = elem; last_stored = i; + if (min == GET_ID(id)) + equal_min++; + else + equal_min = 1; min = GET_ID(id); } @@ -146,15 +151,10 @@ static size_t get_elements_above_id(const void **iters, * Therefore, we need to clean the beginning of the array to make sure * all ids of final elements are equal to min. */ - for (i = num_iters - 1; i >= 0 && - GET_ID(*(u16 *)(iters[i] + id_offset)) == min; i--) - ; - - num_iters -= i + 1; - memmove(iters, iters + i + 1, sizeof(*iters) * num_iters); + memmove(iters, iters + num_iters - equal_min, sizeof(*iters) * equal_min); *min_id = min; - return num_iters; + return equal_min; } #define find_max_element_entry_id(num_elements, elements, num_objects_fld, \ @@ -322,7 +322,7 @@ static struct uverbs_method_spec *build_method_with_attrs(const struct uverbs_me hash = kzalloc(sizeof(*hash) + ALIGN(sizeof(*hash->attrs) * (attr_max_bucket + 1), sizeof(long)) + - BITS_TO_LONGS(attr_max_bucket) * sizeof(long), + BITS_TO_LONGS(attr_max_bucket + 1) * sizeof(long), GFP_KERNEL); if (!hash) { res = -ENOMEM; @@ -509,7 +509,7 @@ static struct uverbs_object_spec *build_object_with_methods(const struct uverbs_ * first handler which != NULL. This also defines the * set of flags used for this handler. */ - for (i = num_object_defs - 1; + for (i = num_method_defs - 1; i >= 0 && !method_defs[i]->handler; i--) ; hash->methods[min_id++] = method; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 395a3b0..b1ca223 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -650,12 +650,21 @@ static int verify_command_mask(struct ib_device *ib_dev, __u32 command) return -1; } +static bool verify_command_idx(u32 command, bool extended) +{ + if (extended) + return command < ARRAY_SIZE(uverbs_ex_cmd_table); + + return command < ARRAY_SIZE(uverbs_cmd_table); +} + static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos) { struct ib_uverbs_file *file = filp->private_data; struct ib_device *ib_dev; struct ib_uverbs_cmd_hdr hdr; + bool extended_command; __u32 command; __u32 flags; int srcu_key; @@ -688,6 +697,15 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, } command = hdr.command & IB_USER_VERBS_CMD_COMMAND_MASK; + flags = (hdr.command & + IB_USER_VERBS_CMD_FLAGS_MASK) >> IB_USER_VERBS_CMD_FLAGS_SHIFT; + + extended_command = flags & IB_USER_VERBS_CMD_FLAG_EXTENDED; + if (!verify_command_idx(command, extended_command)) { + ret = -EINVAL; + goto out; + } + if (verify_command_mask(ib_dev, command)) { ret = -EOPNOTSUPP; goto out; @@ -699,12 +717,8 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, goto out; } - flags = (hdr.command & - IB_USER_VERBS_CMD_FLAGS_MASK) >> IB_USER_VERBS_CMD_FLAGS_SHIFT; - if (!flags) { - if (command >= ARRAY_SIZE(uverbs_cmd_table) || - !uverbs_cmd_table[command]) { + if (!uverbs_cmd_table[command]) { ret = -EINVAL; goto out; } @@ -725,8 +739,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, struct ib_udata uhw; size_t written_count = count; - if (command >= ARRAY_SIZE(uverbs_ex_cmd_table) || - !uverbs_ex_cmd_table[command]) { + if (!uverbs_ex_cmd_table[command]) { ret = -ENOSYS; goto out; } @@ -942,6 +955,7 @@ static const struct file_operations uverbs_fops = { .llseek = no_llseek, #if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) .unlocked_ioctl = ib_uverbs_ioctl, + .compat_ioctl = ib_uverbs_ioctl, #endif }; @@ -954,6 +968,7 @@ static const struct file_operations uverbs_mmap_fops = { .llseek = no_llseek, #if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) .unlocked_ioctl = ib_uverbs_ioctl, + .compat_ioctl = ib_uverbs_ioctl, #endif }; diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index cab0ac3..df1360e 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -234,15 +234,18 @@ static void create_udata(struct uverbs_attr_bundle *ctx, uverbs_attr_get(ctx, UVERBS_UHW_OUT); if (!IS_ERR(uhw_in)) { - udata->inbuf = uhw_in->ptr_attr.ptr; udata->inlen = uhw_in->ptr_attr.len; + if (uverbs_attr_ptr_is_inline(uhw_in)) + udata->inbuf = &uhw_in->uattr->data; + else + udata->inbuf = u64_to_user_ptr(uhw_in->ptr_attr.data); } else { udata->inbuf = NULL; udata->inlen = 0; } if (!IS_ERR(uhw_out)) { - udata->outbuf = uhw_out->ptr_attr.ptr; + udata->outbuf = u64_to_user_ptr(uhw_out->ptr_attr.data); udata->outlen = uhw_out->ptr_attr.len; } else { udata->outbuf = NULL; @@ -323,7 +326,8 @@ static int uverbs_create_cq_handler(struct ib_device *ib_dev, cq->res.type = RDMA_RESTRACK_CQ; rdma_restrack_add(&cq->res); - ret = uverbs_copy_to(attrs, CREATE_CQ_RESP_CQE, &cq->cqe); + ret = uverbs_copy_to(attrs, CREATE_CQ_RESP_CQE, &cq->cqe, + sizeof(cq->cqe)); if (ret) goto err_cq; @@ -375,7 +379,7 @@ static int uverbs_destroy_cq_handler(struct ib_device *ib_dev, resp.comp_events_reported = obj->comp_events_reported; resp.async_events_reported = obj->async_events_reported; - return uverbs_copy_to(attrs, DESTROY_CQ_RESP, &resp); + return uverbs_copy_to(attrs, DESTROY_CQ_RESP, &resp, sizeof(resp)); } static DECLARE_UVERBS_METHOD( diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 16ebc63..93025d2 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -887,7 +887,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, if (qp_init_attr->cap.max_rdma_ctxs) rdma_rw_init_qp(device, qp_init_attr); - qp = _ib_create_qp(device, pd, qp_init_attr, NULL); + qp = _ib_create_qp(device, pd, qp_init_attr, NULL, NULL); if (IS_ERR(qp)) return qp; @@ -898,7 +898,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, } qp->real_qp = qp; - qp->uobject = NULL; qp->qp_type = qp_init_attr->qp_type; qp->rwq_ind_tbl = qp_init_attr->rwq_ind_tbl; diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index ca32057..96f7689 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -57,8 +57,8 @@ #define BNXT_RE_PAGE_SIZE_8M BIT(BNXT_RE_PAGE_SHIFT_8M) #define BNXT_RE_PAGE_SIZE_1G BIT(BNXT_RE_PAGE_SHIFT_1G) -#define BNXT_RE_MAX_MR_SIZE_LOW BIT(BNXT_RE_PAGE_SHIFT_1G) -#define BNXT_RE_MAX_MR_SIZE_HIGH BIT(39) +#define BNXT_RE_MAX_MR_SIZE_LOW BIT_ULL(BNXT_RE_PAGE_SHIFT_1G) +#define BNXT_RE_MAX_MR_SIZE_HIGH BIT_ULL(39) #define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH #define BNXT_RE_MAX_QPC_COUNT (64 * 1024) @@ -120,7 +120,6 @@ struct bnxt_re_dev { #define BNXT_RE_FLAG_HAVE_L2_REF 3 #define BNXT_RE_FLAG_RCFW_CHANNEL_EN 4 #define BNXT_RE_FLAG_QOS_WORK_REG 5 -#define BNXT_RE_FLAG_TASK_IN_PROG 6 #define BNXT_RE_FLAG_ISSUE_ROCE_STATS 29 struct net_device *netdev; unsigned int version, major, minor; @@ -158,6 +157,7 @@ struct bnxt_re_dev { atomic_t srq_count; atomic_t mr_count; atomic_t mw_count; + atomic_t sched_count; /* Max of 2 lossless traffic class supported per port */ u16 cosq[2]; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index ae9e9ff..8301d7e 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -174,10 +174,8 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->max_pd = dev_attr->max_pd; ib_attr->max_qp_rd_atom = dev_attr->max_qp_rd_atom; ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_init_rd_atom; - if (dev_attr->is_atomic) { - ib_attr->atomic_cap = IB_ATOMIC_HCA; - ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; - } + ib_attr->atomic_cap = IB_ATOMIC_NONE; + ib_attr->masked_atomic_cap = IB_ATOMIC_NONE; ib_attr->max_ee_rd_atom = 0; ib_attr->max_res_rd_atom = 0; @@ -787,20 +785,51 @@ int bnxt_re_query_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr) return 0; } +unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp) + __acquires(&qp->scq->cq_lock) __acquires(&qp->rcq->cq_lock) +{ + unsigned long flags; + + spin_lock_irqsave(&qp->scq->cq_lock, flags); + if (qp->rcq != qp->scq) + spin_lock(&qp->rcq->cq_lock); + else + __acquire(&qp->rcq->cq_lock); + + return flags; +} + +void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, + unsigned long flags) + __releases(&qp->scq->cq_lock) __releases(&qp->rcq->cq_lock) +{ + if (qp->rcq != qp->scq) + spin_unlock(&qp->rcq->cq_lock); + else + __release(&qp->rcq->cq_lock); + spin_unlock_irqrestore(&qp->scq->cq_lock, flags); +} + /* Queue Pairs */ int bnxt_re_destroy_qp(struct ib_qp *ib_qp) { struct bnxt_re_qp *qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp); struct bnxt_re_dev *rdev = qp->rdev; int rc; + unsigned int flags; bnxt_qplib_flush_cqn_wq(&qp->qplib_qp); - bnxt_qplib_del_flush_qp(&qp->qplib_qp); rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to destroy HW QP"); return rc; } + + flags = bnxt_re_lock_cqs(qp); + bnxt_qplib_clean_qp(&qp->qplib_qp); + bnxt_re_unlock_cqs(qp, flags); + bnxt_qplib_free_qp_res(&rdev->qplib_res, &qp->qplib_qp); + if (ib_qp->qp_type == IB_QPT_GSI && rdev->qp1_sqp) { rc = bnxt_qplib_destroy_ah(&rdev->qplib_res, &rdev->sqp_ah->qplib_ah); @@ -810,7 +839,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp) return rc; } - bnxt_qplib_del_flush_qp(&qp->qplib_qp); + bnxt_qplib_clean_qp(&qp->qplib_qp); rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &rdev->qp1_sqp->qplib_qp); if (rc) { @@ -1069,6 +1098,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, goto fail; } qp->qplib_qp.scq = &cq->qplib_cq; + qp->scq = cq; } if (qp_init_attr->recv_cq) { @@ -1080,6 +1110,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, goto fail; } qp->qplib_qp.rcq = &cq->qplib_cq; + qp->rcq = cq; } if (qp_init_attr->srq) { @@ -1185,7 +1216,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, rc = bnxt_qplib_create_qp(&rdev->qplib_res, &qp->qplib_qp); if (rc) { dev_err(rdev_to_dev(rdev), "Failed to create HW QP"); - goto fail; + goto free_umem; } } @@ -1213,6 +1244,13 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, return &qp->ib_qp; qp_destroy: bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp); +free_umem: + if (udata) { + if (qp->rumem) + ib_umem_release(qp->rumem); + if (qp->sumem) + ib_umem_release(qp->sumem); + } fail: kfree(qp); return ERR_PTR(rc); @@ -1568,6 +1606,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, int status; union ib_gid sgid; struct ib_gid_attr sgid_attr; + unsigned int flags; u8 nw_type; qp->qplib_qp.modify_flags = 0; @@ -1596,14 +1635,18 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, dev_dbg(rdev_to_dev(rdev), "Move QP = %p to flush list\n", qp); + flags = bnxt_re_lock_cqs(qp); bnxt_qplib_add_flush_qp(&qp->qplib_qp); + bnxt_re_unlock_cqs(qp, flags); } if (!qp->sumem && qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_RESET) { dev_dbg(rdev_to_dev(rdev), "Move QP = %p out of flush list\n", qp); - bnxt_qplib_del_flush_qp(&qp->qplib_qp); + flags = bnxt_re_lock_cqs(qp); + bnxt_qplib_clean_qp(&qp->qplib_qp); + bnxt_re_unlock_cqs(qp, flags); } } if (qp_attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) { @@ -2189,10 +2232,13 @@ static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr, wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV; wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey; + /* Need unconditional fence for local invalidate + * opcode to work as expected. + */ + wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; + if (wr->send_flags & IB_SEND_SIGNALED) wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP; - if (wr->send_flags & IB_SEND_FENCE) - wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; if (wr->send_flags & IB_SEND_SOLICITED) wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT; @@ -2213,8 +2259,12 @@ static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr, wqe->frmr.levels = qplib_frpl->hwq.level + 1; wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR; - if (wr->wr.send_flags & IB_SEND_FENCE) - wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; + /* Need unconditional fence for reg_mr + * opcode to function as expected. + */ + + wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; + if (wr->wr.send_flags & IB_SEND_SIGNALED) wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP; @@ -3548,7 +3598,7 @@ struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *ib_pd, u64 start, u64 length, int umem_pgs, page_shift, rc; if (length > BNXT_RE_MAX_MR_SIZE) { - dev_err(rdev_to_dev(rdev), "MR Size: %lld > Max supported:%ld\n", + dev_err(rdev_to_dev(rdev), "MR Size: %lld > Max supported:%lld\n", length, BNXT_RE_MAX_MR_SIZE); return ERR_PTR(-ENOMEM); } diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index 423ebe0..e62b7c2 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -89,6 +89,8 @@ struct bnxt_re_qp { /* QP1 */ u32 send_psn; struct ib_ud_header qp1_hdr; + struct bnxt_re_cq *scq; + struct bnxt_re_cq *rcq; }; struct bnxt_re_cq { @@ -220,4 +222,7 @@ struct ib_ucontext *bnxt_re_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata); int bnxt_re_dealloc_ucontext(struct ib_ucontext *context); int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); + +unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp); +void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags); #endif /* __BNXT_RE_IB_VERBS_H__ */ diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 508d00a..f6e3617 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -656,7 +656,6 @@ static void bnxt_re_dev_remove(struct bnxt_re_dev *rdev) mutex_unlock(&bnxt_re_dev_lock); synchronize_rcu(); - flush_workqueue(bnxt_re_wq); ib_dealloc_device(&rdev->ibdev); /* rdev is gone */ @@ -731,6 +730,13 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event, struct bnxt_re_qp *qp) { struct ib_event event; + unsigned int flags; + + if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR) { + flags = bnxt_re_lock_cqs(qp); + bnxt_qplib_add_flush_qp(&qp->qplib_qp); + bnxt_re_unlock_cqs(qp, flags); + } memset(&event, 0, sizeof(event)); if (qp->qplib_qp.srq) { @@ -1417,9 +1423,12 @@ static void bnxt_re_task(struct work_struct *work) switch (re_work->event) { case NETDEV_REGISTER: rc = bnxt_re_ib_reg(rdev); - if (rc) + if (rc) { dev_err(rdev_to_dev(rdev), "Failed to register with IB: %#x", rc); + bnxt_re_remove_one(rdev); + bnxt_re_dev_unreg(rdev); + } break; case NETDEV_UP: bnxt_re_dispatch_event(&rdev->ibdev, NULL, 1, @@ -1441,7 +1450,7 @@ static void bnxt_re_task(struct work_struct *work) break; } smp_mb__before_atomic(); - clear_bit(BNXT_RE_FLAG_TASK_IN_PROG, &rdev->flags); + atomic_dec(&rdev->sched_count); kfree(re_work); } @@ -1503,7 +1512,7 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier, /* netdev notifier will call NETDEV_UNREGISTER again later since * we are still holding the reference to the netdev */ - if (test_bit(BNXT_RE_FLAG_TASK_IN_PROG, &rdev->flags)) + if (atomic_read(&rdev->sched_count) > 0) goto exit; bnxt_re_ib_unreg(rdev, false); bnxt_re_remove_one(rdev); @@ -1523,7 +1532,7 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier, re_work->vlan_dev = (real_dev == netdev ? NULL : netdev); INIT_WORK(&re_work->work, bnxt_re_task); - set_bit(BNXT_RE_FLAG_TASK_IN_PROG, &rdev->flags); + atomic_inc(&rdev->sched_count); queue_work(bnxt_re_wq, &re_work->work); } } @@ -1578,6 +1587,11 @@ static void __exit bnxt_re_mod_exit(void) */ list_for_each_entry_safe_reverse(rdev, next, &to_be_deleted, list) { dev_info(rdev_to_dev(rdev), "Unregistering Device"); + /* + * Flush out any scheduled tasks before destroying the + * resources + */ + flush_workqueue(bnxt_re_wq); bnxt_re_dev_stop(rdev); bnxt_re_ib_unreg(rdev, true); bnxt_re_remove_one(rdev); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 1b0e946..3a78fab 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -88,75 +88,35 @@ static void __bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp) } } -void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp, - unsigned long *flags) - __acquires(&qp->scq->hwq.lock) __acquires(&qp->rcq->hwq.lock) +static void bnxt_qplib_acquire_cq_flush_locks(struct bnxt_qplib_qp *qp, + unsigned long *flags) + __acquires(&qp->scq->flush_lock) __acquires(&qp->rcq->flush_lock) { - spin_lock_irqsave(&qp->scq->hwq.lock, *flags); + spin_lock_irqsave(&qp->scq->flush_lock, *flags); if (qp->scq == qp->rcq) - __acquire(&qp->rcq->hwq.lock); + __acquire(&qp->rcq->flush_lock); else - spin_lock(&qp->rcq->hwq.lock); + spin_lock(&qp->rcq->flush_lock); } -void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp, - unsigned long *flags) - __releases(&qp->scq->hwq.lock) __releases(&qp->rcq->hwq.lock) +static void bnxt_qplib_release_cq_flush_locks(struct bnxt_qplib_qp *qp, + unsigned long *flags) + __releases(&qp->scq->flush_lock) __releases(&qp->rcq->flush_lock) { if (qp->scq == qp->rcq) - __release(&qp->rcq->hwq.lock); + __release(&qp->rcq->flush_lock); else - spin_unlock(&qp->rcq->hwq.lock); - spin_unlock_irqrestore(&qp->scq->hwq.lock, *flags); -} - -static struct bnxt_qplib_cq *bnxt_qplib_find_buddy_cq(struct bnxt_qplib_qp *qp, - struct bnxt_qplib_cq *cq) -{ - struct bnxt_qplib_cq *buddy_cq = NULL; - - if (qp->scq == qp->rcq) - buddy_cq = NULL; - else if (qp->scq == cq) - buddy_cq = qp->rcq; - else - buddy_cq = qp->scq; - return buddy_cq; -} - -static void bnxt_qplib_lock_buddy_cq(struct bnxt_qplib_qp *qp, - struct bnxt_qplib_cq *cq) - __acquires(&buddy_cq->hwq.lock) -{ - struct bnxt_qplib_cq *buddy_cq = NULL; - - buddy_cq = bnxt_qplib_find_buddy_cq(qp, cq); - if (!buddy_cq) - __acquire(&cq->hwq.lock); - else - spin_lock(&buddy_cq->hwq.lock); -} - -static void bnxt_qplib_unlock_buddy_cq(struct bnxt_qplib_qp *qp, - struct bnxt_qplib_cq *cq) - __releases(&buddy_cq->hwq.lock) -{ - struct bnxt_qplib_cq *buddy_cq = NULL; - - buddy_cq = bnxt_qplib_find_buddy_cq(qp, cq); - if (!buddy_cq) - __release(&cq->hwq.lock); - else - spin_unlock(&buddy_cq->hwq.lock); + spin_unlock(&qp->rcq->flush_lock); + spin_unlock_irqrestore(&qp->scq->flush_lock, *flags); } void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp) { unsigned long flags; - bnxt_qplib_acquire_cq_locks(qp, &flags); + bnxt_qplib_acquire_cq_flush_locks(qp, &flags); __bnxt_qplib_add_flush_qp(qp); - bnxt_qplib_release_cq_locks(qp, &flags); + bnxt_qplib_release_cq_flush_locks(qp, &flags); } static void __bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp) @@ -173,11 +133,11 @@ static void __bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp) } } -void bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp) +void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp) { unsigned long flags; - bnxt_qplib_acquire_cq_locks(qp, &flags); + bnxt_qplib_acquire_cq_flush_locks(qp, &flags); __clean_cq(qp->scq, (u64)(unsigned long)qp); qp->sq.hwq.prod = 0; qp->sq.hwq.cons = 0; @@ -186,7 +146,7 @@ void bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp) qp->rq.hwq.cons = 0; __bnxt_qplib_del_flush_qp(qp); - bnxt_qplib_release_cq_locks(qp, &flags); + bnxt_qplib_release_cq_flush_locks(qp, &flags); } static void bnxt_qpn_cqn_sched_task(struct work_struct *work) @@ -283,7 +243,7 @@ static void bnxt_qplib_service_nq(unsigned long data) u32 sw_cons, raw_cons; u16 type; int budget = nq->budget; - u64 q_handle; + uintptr_t q_handle; /* Service the NQ until empty */ raw_cons = hwq->cons; @@ -566,7 +526,7 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, /* Configure the request */ req.dpi = cpu_to_le32(srq->dpi->dpi); - req.srq_handle = cpu_to_le64(srq); + req.srq_handle = cpu_to_le64((uintptr_t)srq); req.srq_size = cpu_to_le16((u16)srq->hwq.max_elements); pbl = &srq->hwq.pbl[PBL_LVL_0]; @@ -1419,7 +1379,6 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_destroy_qp req; struct creq_destroy_qp_resp resp; - unsigned long flags; u16 cmd_flags = 0; int rc; @@ -1437,19 +1396,12 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, return rc; } - /* Must walk the associated CQs to nullified the QP ptr */ - spin_lock_irqsave(&qp->scq->hwq.lock, flags); - - __clean_cq(qp->scq, (u64)(unsigned long)qp); - - if (qp->rcq && qp->rcq != qp->scq) { - spin_lock(&qp->rcq->hwq.lock); - __clean_cq(qp->rcq, (u64)(unsigned long)qp); - spin_unlock(&qp->rcq->hwq.lock); - } - - spin_unlock_irqrestore(&qp->scq->hwq.lock, flags); + return 0; +} +void bnxt_qplib_free_qp_res(struct bnxt_qplib_res *res, + struct bnxt_qplib_qp *qp) +{ bnxt_qplib_free_qp_hdr_buf(res, qp); bnxt_qplib_free_hwq(res->pdev, &qp->sq.hwq); kfree(qp->sq.swq); @@ -1462,7 +1414,6 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, if (qp->orrq.max_elements) bnxt_qplib_free_hwq(res->pdev, &qp->orrq); - return 0; } void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp, @@ -2116,9 +2067,6 @@ void bnxt_qplib_mark_qp_error(void *qp_handle) /* Must block new posting of SQ and RQ */ qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; bnxt_qplib_cancel_phantom_processing(qp); - - /* Add qp to flush list of the CQ */ - __bnxt_qplib_add_flush_qp(qp); } /* Note: SQE is valid from sw_sq_cons up to cqe_sq_cons (exclusive) @@ -2294,9 +2242,9 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, sw_sq_cons, cqe->wr_id, cqe->status); cqe++; (*budget)--; - bnxt_qplib_lock_buddy_cq(qp, cq); bnxt_qplib_mark_qp_error(qp); - bnxt_qplib_unlock_buddy_cq(qp, cq); + /* Add qp to flush list of the CQ */ + bnxt_qplib_add_flush_qp(qp); } else { if (swq->flags & SQ_SEND_FLAGS_SIGNAL_COMP) { /* Before we complete, do WA 9060 */ @@ -2412,9 +2360,7 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq, if (hwcqe->status != CQ_RES_RC_STATUS_OK) { qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; /* Add qp to flush list of the CQ */ - bnxt_qplib_lock_buddy_cq(qp, cq); - __bnxt_qplib_add_flush_qp(qp); - bnxt_qplib_unlock_buddy_cq(qp, cq); + bnxt_qplib_add_flush_qp(qp); } } @@ -2498,9 +2444,7 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq, if (hwcqe->status != CQ_RES_RC_STATUS_OK) { qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; /* Add qp to flush list of the CQ */ - bnxt_qplib_lock_buddy_cq(qp, cq); - __bnxt_qplib_add_flush_qp(qp); - bnxt_qplib_unlock_buddy_cq(qp, cq); + bnxt_qplib_add_flush_qp(qp); } } done: @@ -2510,11 +2454,9 @@ done: bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq) { struct cq_base *hw_cqe, **hw_cqe_ptr; - unsigned long flags; u32 sw_cons, raw_cons; bool rc = true; - spin_lock_irqsave(&cq->hwq.lock, flags); raw_cons = cq->hwq.cons; sw_cons = HWQ_CMP(raw_cons, &cq->hwq); hw_cqe_ptr = (struct cq_base **)cq->hwq.pbl_ptr; @@ -2522,7 +2464,6 @@ bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq) /* Check for Valid bit. If the CQE is valid, return false */ rc = !CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements); - spin_unlock_irqrestore(&cq->hwq.lock, flags); return rc; } @@ -2611,9 +2552,7 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq, if (hwcqe->status != CQ_RES_RC_STATUS_OK) { qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; /* Add qp to flush list of the CQ */ - bnxt_qplib_lock_buddy_cq(qp, cq); - __bnxt_qplib_add_flush_qp(qp); - bnxt_qplib_unlock_buddy_cq(qp, cq); + bnxt_qplib_add_flush_qp(qp); } } @@ -2728,9 +2667,7 @@ do_rq: */ /* Add qp to flush list of the CQ */ - bnxt_qplib_lock_buddy_cq(qp, cq); - __bnxt_qplib_add_flush_qp(qp); - bnxt_qplib_unlock_buddy_cq(qp, cq); + bnxt_qplib_add_flush_qp(qp); done: return rc; } @@ -2759,7 +2696,7 @@ int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq, u32 budget = num_cqes; unsigned long flags; - spin_lock_irqsave(&cq->hwq.lock, flags); + spin_lock_irqsave(&cq->flush_lock, flags); list_for_each_entry(qp, &cq->sqf_head, sq_flush) { dev_dbg(&cq->hwq.pdev->dev, "QPLIB: FP: Flushing SQ QP= %p", @@ -2773,7 +2710,7 @@ int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq, qp); __flush_rq(&qp->rq, qp, &cqe, &budget); } - spin_unlock_irqrestore(&cq->hwq.lock, flags); + spin_unlock_irqrestore(&cq->flush_lock, flags); return num_cqes - budget; } @@ -2782,11 +2719,9 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, int num_cqes, struct bnxt_qplib_qp **lib_qp) { struct cq_base *hw_cqe, **hw_cqe_ptr; - unsigned long flags; u32 sw_cons, raw_cons; int budget, rc = 0; - spin_lock_irqsave(&cq->hwq.lock, flags); raw_cons = cq->hwq.cons; budget = num_cqes; @@ -2862,20 +2797,15 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, bnxt_qplib_arm_cq(cq, DBR_DBR_TYPE_CQ); } exit: - spin_unlock_irqrestore(&cq->hwq.lock, flags); return num_cqes - budget; } void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type) { - unsigned long flags; - - spin_lock_irqsave(&cq->hwq.lock, flags); if (arm_type) bnxt_qplib_arm_cq(cq, arm_type); /* Using cq->arm_state variable to track whether to issue cq handler */ atomic_set(&cq->arm_state, 1); - spin_unlock_irqrestore(&cq->hwq.lock, flags); } void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 211b27a..ade9f13 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -389,6 +389,18 @@ struct bnxt_qplib_cq { struct list_head sqf_head, rqf_head; atomic_t arm_state; spinlock_t compl_lock; /* synch CQ handlers */ +/* Locking Notes: + * QP can move to error state from modify_qp, async error event or error + * CQE as part of poll_cq. When QP is moved to error state, it gets added + * to two flush lists, one each for SQ and RQ. + * Each flush list is protected by qplib_cq->flush_lock. Both scq and rcq + * flush_locks should be acquired when QP is moved to error. The control path + * operations(modify_qp and async error events) are synchronized with poll_cq + * using upper level CQ locks (bnxt_re_cq->cq_lock) of both SCQ and RCQ. + * The qplib_cq->flush_lock is required to synchronize two instances of poll_cq + * of the same QP while manipulating the flush list. + */ + spinlock_t flush_lock; /* QP flush management */ }; #define BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE sizeof(struct xrrq_irrq) @@ -478,6 +490,9 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); +void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp); +void bnxt_qplib_free_qp_res(struct bnxt_qplib_res *res, + struct bnxt_qplib_qp *qp); void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp, struct bnxt_qplib_sge *sge); void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp, @@ -500,7 +515,6 @@ void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type); void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq); int bnxt_qplib_alloc_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq); void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp); -void bnxt_qplib_del_flush_qp(struct bnxt_qplib_qp *qp); void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp, unsigned long *flags); void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 8329ec6..80027a4 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -305,9 +305,8 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, err_event->res_err_state_reason); if (!qp) break; - bnxt_qplib_acquire_cq_locks(qp, &flags); bnxt_qplib_mark_qp_error(qp); - bnxt_qplib_release_cq_locks(qp, &flags); + rcfw->aeq_handler(rcfw, qp_event, qp); break; default: /* Command Response */ @@ -460,7 +459,11 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, int rc; RCFW_CMD_PREP(req, INITIALIZE_FW, cmd_flags); - + /* Supply (log-base-2-of-host-page-size - base-page-shift) + * to bono to adjust the doorbell page sizes. + */ + req.log2_dbr_pg_size = cpu_to_le16(PAGE_SHIFT - + RCFW_DBR_BASE_PAGE_SHIFT); /* * VFs need not setup the HW context area, PF * shall setup this area for VF. Skipping the diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index 6bee6e3..c7cce2e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -49,6 +49,7 @@ #define RCFW_COMM_SIZE 0x104 #define RCFW_DBR_PCI_BAR_REGION 2 +#define RCFW_DBR_BASE_PAGE_SHIFT 12 #define RCFW_CMD_PREP(req, CMD, cmd_flags) \ do { \ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index c015c18..ee98e5e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -52,18 +52,6 @@ const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0, /* Device */ -static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw) -{ - int rc; - u16 pcie_ctl2; - - rc = pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, - &pcie_ctl2); - if (rc) - return false; - return !!(pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ); -} - static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw, char *fw_ver) { @@ -151,7 +139,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->max_pkey = le32_to_cpu(sb->max_pkeys); attr->max_inline_data = le32_to_cpu(sb->max_inline_data); - attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE; + attr->l2_db_size = (sb->l2_db_space_size + 1) * + (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); attr->max_sgid = le32_to_cpu(sb->max_gid); bnxt_qplib_query_version(rcfw, attr->fw_ver); @@ -165,7 +154,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); } - attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw); + attr->is_atomic = 0; bail: bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); return rc; diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h index 2d7ea09..3e5a4f7 100644 --- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h +++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h @@ -1761,7 +1761,30 @@ struct cmdq_initialize_fw { #define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_2M (0x3UL << 4) #define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_8M (0x4UL << 4) #define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_1G (0x5UL << 4) - __le16 reserved16; + /* This value is (log-base-2-of-DBR-page-size - 12). + * 0 for 4KB. HW supported values are enumerated below. + */ + __le16 log2_dbr_pg_size; + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_MASK 0xfUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_SFT 0 + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4K 0x0UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8K 0x1UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16K 0x2UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32K 0x3UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64K 0x4UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128K 0x5UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_256K 0x6UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_512K 0x7UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_1M 0x8UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_2M 0x9UL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4M 0xaUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8M 0xbUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16M 0xcUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32M 0xdUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64M 0xeUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M 0xfUL + #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_LAST \ + CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M __le64 qpc_page_dir; __le64 mrw_page_dir; __le64 srq_page_dir; diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 9a566ee..82adc0d 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -601,6 +601,7 @@ static void use_tunnel_data(struct mlx4_ib_qp *qp, struct mlx4_ib_cq *cq, struct wc->dlid_path_bits = 0; if (is_eth) { + wc->slid = 0; wc->vlan_id = be16_to_cpu(hdr->tun.sl_vid); memcpy(&(wc->smac[0]), (char *)&hdr->tun.mac_31_0, 4); memcpy(&(wc->smac[4]), (char *)&hdr->tun.slid_mac_47_32, 2); @@ -851,7 +852,6 @@ repoll: } } - wc->slid = be16_to_cpu(cqe->rlid); g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn); wc->src_qp = g_mlpath_rqpn & 0xffffff; wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f; @@ -860,6 +860,7 @@ repoll: wc->wc_flags |= mlx4_ib_ipoib_csum_ok(cqe->status, cqe->checksum) ? IB_WC_IP_CSUM_OK : 0; if (is_eth) { + wc->slid = 0; wc->sl = be16_to_cpu(cqe->sl_vid) >> 13; if (be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_CVLAN_PRESENT_MASK) { @@ -871,6 +872,7 @@ repoll: memcpy(wc->smac, cqe->smac, ETH_ALEN); wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC); } else { + wc->slid = be16_to_cpu(cqe->rlid); wc->sl = be16_to_cpu(cqe->sl_vid) >> 12; wc->vlan_id = 0xffff; } diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8d2ee93..5a0e4fc 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -219,8 +219,6 @@ static int mlx4_ib_update_gids_v1_v2(struct gid_entry *gids, gid_tbl[i].version = 2; if (!ipv6_addr_v4mapped((struct in6_addr *)&gids[i].gid)) gid_tbl[i].type = 1; - else - memset(&gid_tbl[i].gid, 0, 12); } } @@ -366,8 +364,13 @@ static int mlx4_ib_del_gid(struct ib_device *device, if (!gids) { ret = -ENOMEM; } else { - for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) - memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid)); + for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) { + memcpy(&gids[i].gid, + &port_gid_table->gids[i].gid, + sizeof(union ib_gid)); + gids[i].gid_type = + port_gid_table->gids[i].gid_type; + } } } spin_unlock_bh(&iboe->lock); diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 5b974fb..15457c9 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -226,7 +226,6 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe, wc->ex.invalidate_rkey = be32_to_cpu(cqe->imm_inval_pkey); break; } - wc->slid = be16_to_cpu(cqe->slid); wc->src_qp = be32_to_cpu(cqe->flags_rqpn) & 0xffffff; wc->dlid_path_bits = cqe->ml_path; g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3; @@ -241,10 +240,12 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe, } if (ll != IB_LINK_LAYER_ETHERNET) { + wc->slid = be16_to_cpu(cqe->slid); wc->sl = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0xf; return; } + wc->slid = 0; vlan_present = cqe->l4_l3_hdr_type & 0x1; roce_packet_type = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0x3; if (vlan_present) { @@ -1177,7 +1178,12 @@ static int resize_user(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, if (ucmd.reserved0 || ucmd.reserved1) return -EINVAL; - umem = ib_umem_get(context, ucmd.buf_addr, entries * ucmd.cqe_size, + /* check multiplication overflow */ + if (ucmd.cqe_size && SIZE_MAX / ucmd.cqe_size <= entries - 1) + return -EINVAL; + + umem = ib_umem_get(context, ucmd.buf_addr, + (size_t)ucmd.cqe_size * entries, IB_ACCESS_LOCAL_WRITE, 1); if (IS_ERR(umem)) { err = PTR_ERR(umem); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 4236c80..da091de 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -245,12 +245,16 @@ struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev, struct mlx5_ib_multiport_info *mpi; struct mlx5_ib_port *port; + if (!mlx5_core_mp_enabled(ibdev->mdev) || + ll != IB_LINK_LAYER_ETHERNET) { + if (native_port_num) + *native_port_num = ib_port_num; + return ibdev->mdev; + } + if (native_port_num) *native_port_num = 1; - if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET) - return ibdev->mdev; - port = &ibdev->port[ib_port_num - 1]; if (!port) return NULL; @@ -3263,7 +3267,7 @@ static void mlx5_ib_handle_event(struct work_struct *_work) struct mlx5_ib_dev *ibdev; struct ib_event ibev; bool fatal = false; - u8 port = 0; + u8 port = (u8)work->param; if (mlx5_core_is_mp_slave(work->dev)) { ibdev = mlx5_ib_get_ibdev_from_mpi(work->context); @@ -3283,8 +3287,6 @@ static void mlx5_ib_handle_event(struct work_struct *_work) case MLX5_DEV_EVENT_PORT_UP: case MLX5_DEV_EVENT_PORT_DOWN: case MLX5_DEV_EVENT_PORT_INITIALIZED: - port = (u8)work->param; - /* In RoCE, port up/down events are handled in * mlx5_netdev_event(). */ @@ -3298,24 +3300,19 @@ static void mlx5_ib_handle_event(struct work_struct *_work) case MLX5_DEV_EVENT_LID_CHANGE: ibev.event = IB_EVENT_LID_CHANGE; - port = (u8)work->param; break; case MLX5_DEV_EVENT_PKEY_CHANGE: ibev.event = IB_EVENT_PKEY_CHANGE; - port = (u8)work->param; - schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); break; case MLX5_DEV_EVENT_GUID_CHANGE: ibev.event = IB_EVENT_GID_CHANGE; - port = (u8)work->param; break; case MLX5_DEV_EVENT_CLIENT_REREG: ibev.event = IB_EVENT_CLIENT_REREGISTER; - port = (u8)work->param; break; case MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT: schedule_work(&ibdev->delay_drop.delay_drop_work); @@ -3327,7 +3324,7 @@ static void mlx5_ib_handle_event(struct work_struct *_work) ibev.device = &ibdev->ib_dev; ibev.element.port_num = port; - if (port < 1 || port > ibdev->num_ports) { + if (!rdma_is_port_valid(&ibdev->ib_dev, port)) { mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); goto out; } @@ -4863,19 +4860,19 @@ static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) return ib_register_device(&dev->ib_dev, NULL); } -static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev) +static void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev) { - ib_unregister_device(&dev->ib_dev); + destroy_umrc_res(dev); } -static int mlx5_ib_stage_umr_res_init(struct mlx5_ib_dev *dev) +static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev) { - return create_umr_res(dev); + ib_unregister_device(&dev->ib_dev); } -static void mlx5_ib_stage_umr_res_cleanup(struct mlx5_ib_dev *dev) +static int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev) { - destroy_umrc_res(dev); + return create_umr_res(dev); } static int mlx5_ib_stage_delay_drop_init(struct mlx5_ib_dev *dev) @@ -4985,12 +4982,15 @@ static const struct mlx5_ib_profile pf_profile = { STAGE_CREATE(MLX5_IB_STAGE_BFREG, mlx5_ib_stage_bfrag_init, mlx5_ib_stage_bfrag_cleanup), + STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, + NULL, + mlx5_ib_stage_pre_ib_reg_umr_cleanup), STAGE_CREATE(MLX5_IB_STAGE_IB_REG, mlx5_ib_stage_ib_reg_init, mlx5_ib_stage_ib_reg_cleanup), - STAGE_CREATE(MLX5_IB_STAGE_UMR_RESOURCES, - mlx5_ib_stage_umr_res_init, - mlx5_ib_stage_umr_res_cleanup), + STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, + mlx5_ib_stage_post_ib_reg_umr_init, + NULL), STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, mlx5_ib_stage_delay_drop_init, mlx5_ib_stage_delay_drop_cleanup), diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 1393851..a527249 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -739,8 +739,9 @@ enum mlx5_ib_stages { MLX5_IB_STAGE_CONG_DEBUGFS, MLX5_IB_STAGE_UAR, MLX5_IB_STAGE_BFREG, + MLX5_IB_STAGE_PRE_IB_REG_UMR, MLX5_IB_STAGE_IB_REG, - MLX5_IB_STAGE_UMR_RESOURCES, + MLX5_IB_STAGE_POST_IB_REG_UMR, MLX5_IB_STAGE_DELAY_DROP, MLX5_IB_STAGE_CLASS_ATTR, MLX5_IB_STAGE_MAX, diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 556e015..c51c602 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -838,7 +838,8 @@ static int mr_umem_get(struct ib_pd *pd, u64 start, u64 length, *umem = ib_umem_get(pd->uobject->context, start, length, access_flags, 0); err = PTR_ERR_OR_ZERO(*umem); - if (err < 0) { + if (err) { + *umem = NULL; mlx5_ib_err(dev, "umem get failed (%d)\n", err); return err; } @@ -1415,6 +1416,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, if (err) { mlx5_ib_warn(dev, "Failed to rereg UMR\n"); ib_umem_release(mr->umem); + mr->umem = NULL; clean_mr(dev, mr); return err; } @@ -1498,14 +1500,11 @@ static int clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) u32 key = mr->mmkey.key; err = destroy_mkey(dev, mr); - kfree(mr); if (err) { mlx5_ib_warn(dev, "failed to destroy mkey 0x%x (%d)\n", key, err); return err; } - } else { - mlx5_mr_cache_free(dev, mr); } return 0; @@ -1548,6 +1547,11 @@ static int dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) atomic_sub(npages, &dev->mdev->priv.reg_pages); } + if (!mr->allocated_from_cache) + kfree(mr); + else + mlx5_mr_cache_free(dev, mr); + return 0; } @@ -1816,7 +1820,6 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr, mr->ibmr.iova = sg_dma_address(sg) + sg_offset; mr->ibmr.length = 0; - mr->ndescs = sg_nents; for_each_sg(sgl, sg, sg_nents, i) { if (unlikely(i >= mr->max_descs)) @@ -1828,6 +1831,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr, sg_offset = 0; } + mr->ndescs = i; if (sg_offset_p) *sg_offset_p = sg_offset; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 39d24bf..a2e1aa8 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1161,7 +1161,7 @@ static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, ib_umem_release(sq->ubuffer.umem); } -static int get_rq_pas_size(void *qpc) +static size_t get_rq_pas_size(void *qpc) { u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); @@ -1177,7 +1177,8 @@ static int get_rq_pas_size(void *qpc) } static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, - struct mlx5_ib_rq *rq, void *qpin) + struct mlx5_ib_rq *rq, void *qpin, + size_t qpinlen) { struct mlx5_ib_qp *mqp = rq->base.container_mibqp; __be64 *pas; @@ -1186,9 +1187,12 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, void *rqc; void *wq; void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); - int inlen; + size_t rq_pas_size = get_rq_pas_size(qpc); + size_t inlen; int err; - u32 rq_pas_size = get_rq_pas_size(qpc); + + if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) + return -EINVAL; inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; in = kvzalloc(inlen, GFP_KERNEL); @@ -1277,7 +1281,7 @@ static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, } static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, - u32 *in, + u32 *in, size_t inlen, struct ib_pd *pd) { struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; @@ -1309,7 +1313,7 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; - err = create_raw_packet_qp_rq(dev, rq, in); + err = create_raw_packet_qp_rq(dev, rq, in, inlen); if (err) goto err_destroy_sq; @@ -1584,6 +1588,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, u32 uidx = MLX5_IB_DEFAULT_UIDX; struct mlx5_ib_create_qp ucmd; struct mlx5_ib_qp_base *base; + int mlx5_st; void *qpc; u32 *in; int err; @@ -1592,6 +1597,10 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, spin_lock_init(&qp->sq.lock); spin_lock_init(&qp->rq.lock); + mlx5_st = to_mlx5_st(init_attr->qp_type); + if (mlx5_st < 0) + return -EINVAL; + if (init_attr->rwq_ind_tbl) { if (!udata) return -ENOSYS; @@ -1753,7 +1762,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); - MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); + MLX5_SET(qpc, qpc, st, mlx5_st); MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) @@ -1867,11 +1876,16 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, } } + if (inlen < 0) { + err = -EINVAL; + goto err; + } + if (init_attr->qp_type == IB_QPT_RAW_PACKET || qp->flags & MLX5_IB_QP_UNDERLAY) { qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); - err = create_raw_packet_qp(dev, qp, in, pd); + err = create_raw_packet_qp(dev, qp, in, inlen, pd); } else { err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); } @@ -3095,8 +3109,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, goto out; if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || - !optab[mlx5_cur][mlx5_new]) + !optab[mlx5_cur][mlx5_new]) { + err = -EINVAL; goto out; + } op = optab[mlx5_cur][mlx5_new]; optpar = ib_mask_to_mlx5_opt(attr_mask); diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 6d5fada..3c7522d 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -241,8 +241,8 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, { struct mlx5_ib_dev *dev = to_mdev(pd->device); struct mlx5_ib_srq *srq; - int desc_size; - int buf_size; + size_t desc_size; + size_t buf_size; int err; struct mlx5_srq_attr in = {0}; __u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); @@ -266,15 +266,18 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, desc_size = sizeof(struct mlx5_wqe_srq_next_seg) + srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg); + if (desc_size == 0 || srq->msrq.max_gs > desc_size) + return ERR_PTR(-EINVAL); desc_size = roundup_pow_of_two(desc_size); - desc_size = max_t(int, 32, desc_size); + desc_size = max_t(size_t, 32, desc_size); + if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) + return ERR_PTR(-EINVAL); srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) / sizeof(struct mlx5_wqe_data_seg); srq->msrq.wqe_shift = ilog2(desc_size); buf_size = srq->msrq.max * desc_size; - mlx5_ib_dbg(dev, "desc_size 0x%x, req wr 0x%x, srq size 0x%x, max_gs 0x%x, max_avail_gather 0x%x\n", - desc_size, init_attr->attr.max_wr, srq->msrq.max, srq->msrq.max_gs, - srq->msrq.max_avail_gather); + if (buf_size < desc_size) + return ERR_PTR(-EINVAL); in.type = init_attr->srq_type; if (pd->uobject) diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c index 478b731..26dc374 100644 --- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c @@ -458,8 +458,7 @@ qedr_addr6_resolve(struct qedr_dev *dev, } return -EINVAL; } - neigh = dst_neigh_lookup(dst, &dst_in); - + neigh = dst_neigh_lookup(dst, &fl6.daddr); if (neigh) { rcu_read_lock(); if (neigh->nud_state & NUD_VALID) { @@ -494,10 +493,14 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) qp = idr_find(&dev->qpidr, conn_param->qpn); - laddr = (struct sockaddr_in *)&cm_id->local_addr; - raddr = (struct sockaddr_in *)&cm_id->remote_addr; - laddr6 = (struct sockaddr_in6 *)&cm_id->local_addr; - raddr6 = (struct sockaddr_in6 *)&cm_id->remote_addr; + laddr = (struct sockaddr_in *)&cm_id->m_local_addr; + raddr = (struct sockaddr_in *)&cm_id->m_remote_addr; + laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr; + raddr6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr; + + DP_DEBUG(dev, QEDR_MSG_IWARP, "MAPPED %d %d\n", + ntohs(((struct sockaddr_in *)&cm_id->remote_addr)->sin_port), + ntohs(raddr->sin_port)); DP_DEBUG(dev, QEDR_MSG_IWARP, "Connect source address: %pISpc, remote address: %pISpc\n", @@ -599,8 +602,8 @@ int qedr_iw_create_listen(struct iw_cm_id *cm_id, int backlog) int rc; int i; - laddr = (struct sockaddr_in *)&cm_id->local_addr; - laddr6 = (struct sockaddr_in6 *)&cm_id->local_addr; + laddr = (struct sockaddr_in *)&cm_id->m_local_addr; + laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr; DP_DEBUG(dev, QEDR_MSG_IWARP, "Create Listener address: %pISpc\n", &cm_id->local_addr); diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 53f00db..875b172 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -3034,6 +3034,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, switch (wr->opcode) { case IB_WR_SEND_WITH_IMM: + if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) { + rc = -EINVAL; + *bad_wr = wr; + break; + } wqe->req_type = RDMA_SQ_REQ_TYPE_SEND_WITH_IMM; swqe = (struct rdma_sq_send_wqe_1st *)wqe; swqe->wqe_size = 2; @@ -3075,6 +3080,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_WR_RDMA_WRITE_WITH_IMM: + if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) { + rc = -EINVAL; + *bad_wr = wr; + break; + } wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_WR_WITH_IMM; rwqe = (struct rdma_sq_rdma_wqe_1st *)wqe; @@ -3724,7 +3734,7 @@ int qedr_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) { struct qedr_dev *dev = get_qedr_dev(ibcq->device); struct qedr_cq *cq = get_qedr_cq(ibcq); - union rdma_cqe *cqe = cq->latest_cqe; + union rdma_cqe *cqe; u32 old_cons, new_cons; unsigned long flags; int update = 0; @@ -3741,6 +3751,7 @@ int qedr_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) return qedr_gsi_poll_cq(ibcq, num_entries, wc); spin_lock_irqsave(&cq->cq_lock, flags); + cqe = cq->latest_cqe; old_cons = qed_chain_get_cons_idx_u32(&cq->pbl); while (num_entries && is_valid_cqe(cq, cqe)) { struct qedr_qp *qp; diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c index faa9478..f95b976 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c @@ -114,6 +114,7 @@ struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev, union pvrdma_cmd_resp rsp; struct pvrdma_cmd_create_cq *cmd = &req.create_cq; struct pvrdma_cmd_create_cq_resp *resp = &rsp.create_cq_resp; + struct pvrdma_create_cq_resp cq_resp = {0}; struct pvrdma_create_cq ucmd; BUILD_BUG_ON(sizeof(struct pvrdma_cqe) != 64); @@ -197,6 +198,7 @@ struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev, cq->ibcq.cqe = resp->cqe; cq->cq_handle = resp->cq_handle; + cq_resp.cqn = resp->cq_handle; spin_lock_irqsave(&dev->cq_tbl_lock, flags); dev->cq_tbl[cq->cq_handle % dev->dsr->caps.max_cq] = cq; spin_unlock_irqrestore(&dev->cq_tbl_lock, flags); @@ -205,7 +207,7 @@ struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev, cq->uar = &(to_vucontext(context)->uar); /* Copy udata back. */ - if (ib_copy_to_udata(udata, &cq->cq_handle, sizeof(__u32))) { + if (ib_copy_to_udata(udata, &cq_resp, sizeof(cq_resp))) { dev_warn(&dev->pdev->dev, "failed to copy back udata\n"); pvrdma_destroy_cq(&cq->ibcq); diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c index 5acebb1..af23596 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c @@ -113,6 +113,7 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, union pvrdma_cmd_resp rsp; struct pvrdma_cmd_create_srq *cmd = &req.create_srq; struct pvrdma_cmd_create_srq_resp *resp = &rsp.create_srq_resp; + struct pvrdma_create_srq_resp srq_resp = {0}; struct pvrdma_create_srq ucmd; unsigned long flags; int ret; @@ -204,12 +205,13 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, } srq->srq_handle = resp->srqn; + srq_resp.srqn = resp->srqn; spin_lock_irqsave(&dev->srq_tbl_lock, flags); dev->srq_tbl[srq->srq_handle % dev->dsr->caps.max_srq] = srq; spin_unlock_irqrestore(&dev->srq_tbl_lock, flags); /* Copy udata back. */ - if (ib_copy_to_udata(udata, &srq->srq_handle, sizeof(__u32))) { + if (ib_copy_to_udata(udata, &srq_resp, sizeof(srq_resp))) { dev_warn(&dev->pdev->dev, "failed to copy back udata\n"); pvrdma_destroy_srq(&srq->ibsrq); return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index 16b9661..a51463c 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -447,6 +447,7 @@ struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev, union pvrdma_cmd_resp rsp; struct pvrdma_cmd_create_pd *cmd = &req.create_pd; struct pvrdma_cmd_create_pd_resp *resp = &rsp.create_pd_resp; + struct pvrdma_alloc_pd_resp pd_resp = {0}; int ret; void *ptr; @@ -475,9 +476,10 @@ struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev, pd->privileged = !context; pd->pd_handle = resp->pd_handle; pd->pdn = resp->pd_handle; + pd_resp.pdn = resp->pd_handle; if (context) { - if (ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) { + if (ib_copy_to_udata(udata, &pd_resp, sizeof(pd_resp))) { dev_warn(&dev->pdev->dev, "failed to copy back protection domain\n"); pvrdma_dealloc_pd(&pd->ibpd); diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 1b2e536..cc429b5 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -489,11 +489,13 @@ static int rvt_check_refs(struct rvt_mregion *mr, const char *t) unsigned long timeout; struct rvt_dev_info *rdi = ib_to_rvt(mr->pd->device); - if (percpu_ref_is_zero(&mr->refcount)) - return 0; - /* avoid dma mr */ - if (mr->lkey) + if (mr->lkey) { + /* avoid dma mr */ rvt_dereg_clean_qps(mr); + /* @mr was indexed on rcu protected @lkey_table */ + synchronize_rcu(); + } + timeout = wait_for_completion_timeout(&mr->comp, 5 * HZ); if (!timeout) { rvt_pr_err(rdi, diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c index 11f74cb..ea302b0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c @@ -281,8 +281,6 @@ void ipoib_delete_debug_files(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); - WARN_ONCE(!priv->mcg_dentry, "null mcg debug file\n"); - WARN_ONCE(!priv->path_dentry, "null path debug file\n"); debugfs_remove(priv->mcg_dentry); debugfs_remove(priv->path_dentry); priv->mcg_dentry = priv->path_dentry = NULL; diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 1f316d6..41614c1 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -218,8 +218,10 @@ static void matrix_keypad_stop(struct input_dev *dev) { struct matrix_keypad *keypad = input_get_drvdata(dev); + spin_lock_irq(&keypad->lock); keypad->stopped = true; - mb(); + spin_unlock_irq(&keypad->lock); + flush_work(&keypad->work.work); /* * matrix_keypad_scan() will leave IRQs enabled; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 3d2e23a..a246fc6 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -173,7 +173,6 @@ static const char * const smbus_pnp_ids[] = { "LEN0046", /* X250 */ "LEN004a", /* W541 */ "LEN200f", /* T450s */ - "LEN2018", /* T460p */ NULL }; diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index db4f6bb..a5ab774 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -1,11 +1,8 @@ -/* - * Copyright (C) 2012 Samsung Electronics Co.Ltd - * Author: Joonyoung Shim <jy0922.shim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +// Melfas MMS114/MMS152 touchscreen device driver +// +// Copyright (c) 2012 Samsung Electronics Co., Ltd. +// Author: Joonyoung Shim <jy0922.shim@samsung.com> #include <linux/module.h> #include <linux/delay.h> @@ -624,4 +621,4 @@ module_i2c_driver(mms114_driver); /* Module information */ MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); MODULE_DESCRIPTION("MELFAS mms114 Touchscreen driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index 35a408d..99bc9bd 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -205,7 +205,7 @@ static void intel_flush_svm_range_dev (struct intel_svm *svm, struct intel_svm_d * for example, an "address" value of 0x12345f000 will * flush from 0x123440000 to 0x12347ffff (256KiB). */ unsigned long last = address + ((unsigned long)(pages - 1) << VTD_PAGE_SHIFT); - unsigned long mask = __rounddown_pow_of_two(address ^ last);; + unsigned long mask = __rounddown_pow_of_two(address ^ last); desc.high = QI_DEV_EIOTLB_ADDR((address & ~mask) | (mask - 1)) | QI_DEV_EIOTLB_SIZE; } else { diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index 55cfb98..faf734f 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -339,9 +339,6 @@ int __init bcm7038_l1_of_init(struct device_node *dn, goto out_unmap; } - pr_info("registered BCM7038 L1 intc (mem: 0x%p, IRQs: %d)\n", - intc->cpus[0]->map_base, IRQS_PER_WORD * intc->n_words); - return 0; out_unmap: diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index 983640e..8968e5e 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -318,9 +318,6 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn, } } - pr_info("registered %s intc (mem: 0x%p, parent IRQ(s): %d)\n", - intc_name, data->map_base[0], data->num_parent_irqs); - return 0; out_free_domain: diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 691d20e..0e65f60 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -262,9 +262,6 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np, ct->chip.irq_set_wake = irq_gc_set_wake; } - pr_info("registered L2 intc (mem: 0x%p, parent irq: %d)\n", - base, parent_irq); - return 0; out_free_domain: diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 993a842..1ff38af 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -94,7 +94,7 @@ static struct irq_chip gicv2m_msi_irq_chip = { static struct msi_domain_info gicv2m_msi_domain_info = { .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | - MSI_FLAG_PCI_MSIX), + MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI), .chip = &gicv2m_msi_irq_chip, }; @@ -155,18 +155,12 @@ static int gicv2m_irq_gic_domain_alloc(struct irq_domain *domain, return 0; } -static void gicv2m_unalloc_msi(struct v2m_data *v2m, unsigned int hwirq) +static void gicv2m_unalloc_msi(struct v2m_data *v2m, unsigned int hwirq, + int nr_irqs) { - int pos; - - pos = hwirq - v2m->spi_start; - if (pos < 0 || pos >= v2m->nr_spis) { - pr_err("Failed to teardown msi. Invalid hwirq %d\n", hwirq); - return; - } - spin_lock(&v2m_lock); - __clear_bit(pos, v2m->bm); + bitmap_release_region(v2m->bm, hwirq - v2m->spi_start, + get_count_order(nr_irqs)); spin_unlock(&v2m_lock); } @@ -174,13 +168,13 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *args) { struct v2m_data *v2m = NULL, *tmp; - int hwirq, offset, err = 0; + int hwirq, offset, i, err = 0; spin_lock(&v2m_lock); list_for_each_entry(tmp, &v2m_nodes, entry) { - offset = find_first_zero_bit(tmp->bm, tmp->nr_spis); - if (offset < tmp->nr_spis) { - __set_bit(offset, tmp->bm); + offset = bitmap_find_free_region(tmp->bm, tmp->nr_spis, + get_count_order(nr_irqs)); + if (offset >= 0) { v2m = tmp; break; } @@ -192,16 +186,21 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, hwirq = v2m->spi_start + offset; - err = gicv2m_irq_gic_domain_alloc(domain, virq, hwirq); - if (err) { - gicv2m_unalloc_msi(v2m, hwirq); - return err; - } + for (i = 0; i < nr_irqs; i++) { + err = gicv2m_irq_gic_domain_alloc(domain, virq + i, hwirq + i); + if (err) + goto fail; - irq_domain_set_hwirq_and_chip(domain, virq, hwirq, - &gicv2m_irq_chip, v2m); + irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i, + &gicv2m_irq_chip, v2m); + } return 0; + +fail: + irq_domain_free_irqs_parent(domain, virq, nr_irqs); + gicv2m_unalloc_msi(v2m, hwirq, get_count_order(nr_irqs)); + return err; } static void gicv2m_irq_domain_free(struct irq_domain *domain, @@ -210,8 +209,7 @@ static void gicv2m_irq_domain_free(struct irq_domain *domain, struct irq_data *d = irq_domain_get_irq_data(domain, virq); struct v2m_data *v2m = irq_data_get_irq_chip_data(d); - BUG_ON(nr_irqs != 1); - gicv2m_unalloc_msi(v2m, d->hwirq); + gicv2m_unalloc_msi(v2m, d->hwirq, nr_irqs); irq_domain_free_irqs_parent(domain, virq, nr_irqs); } diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c index 14a8c0a..25a98de 100644 --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c @@ -132,6 +132,8 @@ static int __init its_pci_of_msi_init(void) for (np = of_find_matching_node(NULL, its_device_id); np; np = of_find_matching_node(np, its_device_id)) { + if (!of_device_is_available(np)) + continue; if (!of_property_read_bool(np, "msi-controller")) continue; diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c index 833a90f..8881a05 100644 --- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c @@ -154,6 +154,8 @@ static void __init its_pmsi_of_init(void) for (np = of_find_matching_node(NULL, its_device_id); np; np = of_find_matching_node(np, its_device_id)) { + if (!of_device_is_available(np)) + continue; if (!of_property_read_bool(np, "msi-controller")) continue; diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 06f025f..2cbb19c 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1412,7 +1412,7 @@ static struct irq_chip its_irq_chip = { * This gives us (((1UL << id_bits) - 8192) >> 5) possible allocations. */ #define IRQS_PER_CHUNK_SHIFT 5 -#define IRQS_PER_CHUNK (1 << IRQS_PER_CHUNK_SHIFT) +#define IRQS_PER_CHUNK (1UL << IRQS_PER_CHUNK_SHIFT) #define ITS_MAX_LPI_NRBITS 16 /* 64K LPIs */ static unsigned long *lpi_bitmap; @@ -2119,11 +2119,10 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, dev = kzalloc(sizeof(*dev), GFP_KERNEL); /* - * At least one bit of EventID is being used, hence a minimum - * of two entries. No, the architecture doesn't let you - * express an ITT with a single entry. + * We allocate at least one chunk worth of LPIs bet device, + * and thus that many ITEs. The device may require less though. */ - nr_ites = max(2UL, roundup_pow_of_two(nvecs)); + nr_ites = max(IRQS_PER_CHUNK, roundup_pow_of_two(nvecs)); sz = nr_ites * its->ite_size; sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1; itt = kzalloc(sz, GFP_KERNEL); @@ -2495,7 +2494,7 @@ static int its_vpe_set_affinity(struct irq_data *d, static void its_vpe_schedule(struct its_vpe *vpe) { - void * __iomem vlpi_base = gic_data_rdist_vlpi_base(); + void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); u64 val; /* Schedule the VPE */ @@ -2527,7 +2526,7 @@ static void its_vpe_schedule(struct its_vpe *vpe) static void its_vpe_deschedule(struct its_vpe *vpe) { - void * __iomem vlpi_base = gic_data_rdist_vlpi_base(); + void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); u32 count = 1000000; /* 1s! */ bool clean; u64 val; @@ -3314,6 +3313,8 @@ static int __init its_of_probe(struct device_node *node) for (np = of_find_matching_node(node, its_device_id); np; np = of_find_matching_node(np, its_device_id)) { + if (!of_device_is_available(np)) + continue; if (!of_property_read_bool(np, "msi-controller")) { pr_warn("%pOF: no msi-controller property, ITS ignored\n", np); diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index a57c0fb..d99cc07 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -673,7 +673,7 @@ static void gic_send_sgi(u64 cluster_id, u16 tlist, unsigned int irq) MPIDR_TO_SGI_RS(cluster_id) | tlist << ICC_SGI1R_TARGET_LIST_SHIFT); - pr_debug("CPU%d: ICC_SGI1R_EL1 %llx\n", smp_processor_id(), val); + pr_devel("CPU%d: ICC_SGI1R_EL1 %llx\n", smp_processor_id(), val); gic_write_sgi1r(val); } @@ -688,7 +688,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) * Ensure that stores to Normal memory are visible to the * other CPUs before issuing the IPI. */ - smp_wmb(); + wmb(); for_each_cpu(cpu, mask) { u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(cpu_logical_map(cpu)); diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 675eda5..4760307 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -28,20 +28,6 @@ struct gpcv2_irqchip_data { static struct gpcv2_irqchip_data *imx_gpcv2_instance; -/* - * Interface for the low level wakeup code. - */ -u32 imx_gpcv2_get_wakeup_source(u32 **sources) -{ - if (!imx_gpcv2_instance) - return 0; - - if (sources) - *sources = imx_gpcv2_instance->wakeup_sources; - - return IMR_NUM; -} - static int gpcv2_wakeup_source_save(void) { struct gpcv2_irqchip_data *cd; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index ef92a4d..d32268c 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -424,8 +424,6 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, spin_lock_irqsave(&gic_lock, flags); write_gic_map_pin(intr, GIC_MAP_PIN_MAP_TO_PIN | gic_cpu_pin); write_gic_map_vp(intr, BIT(mips_cm_vp_id(cpu))); - gic_clear_pcpu_masks(intr); - set_bit(intr, per_cpu_ptr(pcpu_masks, cpu)); irq_data_update_effective_affinity(data, cpumask_of(cpu)); spin_unlock_irqrestore(&gic_lock, flags); diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 62f541f..0707482 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -375,6 +375,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, dev->ofdev.dev.of_node = np; dev->ofdev.archdata.dma_mask = 0xffffffffUL; dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask; + dev->ofdev.dev.coherent_dma_mask = dev->ofdev.archdata.dma_mask; dev->ofdev.dev.parent = parent; dev->ofdev.dev.bus = &macio_bus_type; dev->ofdev.dev.release = macio_release_dev; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 1a46b41..6422846 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -659,11 +659,11 @@ static void do_bio_hook(struct search *s, struct bio *orig_bio) static void search_free(struct closure *cl) { struct search *s = container_of(cl, struct search, cl); - bio_complete(s); if (s->iop.bio) bio_put(s->iop.bio); + bio_complete(s); closure_debug_destroy(cl); mempool_free(s, s->d->c->search); } diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 3128957..f227314 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -963,6 +963,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c, uint32_t rtime = cpu_to_le32(get_seconds()); struct uuid_entry *u; char buf[BDEVNAME_SIZE]; + struct cached_dev *exist_dc, *t; bdevname(dc->bdev, buf); @@ -987,6 +988,16 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c, return -EINVAL; } + /* Check whether already attached */ + list_for_each_entry_safe(exist_dc, t, &c->cached_devs, list) { + if (!memcmp(dc->sb.uuid, exist_dc->sb.uuid, 16)) { + pr_err("Tried to attach %s but duplicate UUID already attached", + buf); + + return -EINVAL; + } + } + u = uuid_find(c, dc->sb.uuid); if (u && @@ -1204,7 +1215,7 @@ static void register_bdev(struct cache_sb *sb, struct page *sb_page, return; err: - pr_notice("error opening %s: %s", bdevname(bdev, name), err); + pr_notice("error %s: %s", bdevname(bdev, name), err); bcache_device_stop(&dc->disk); } @@ -1274,7 +1285,7 @@ static int flash_devs_run(struct cache_set *c) struct uuid_entry *u; for (u = c->uuids; - u < c->uuids + c->devices_max_used && !ret; + u < c->uuids + c->nr_uuids && !ret; u++) if (UUID_FLASH_ONLY(u)) ret = flash_dev_run(c, u); @@ -1883,6 +1894,8 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page, const char *err = NULL; /* must be set for any error case */ int ret = 0; + bdevname(bdev, name); + memcpy(&ca->sb, sb, sizeof(struct cache_sb)); ca->bdev = bdev; ca->bdev->bd_holder = ca; @@ -1891,11 +1904,12 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page, bio_first_bvec_all(&ca->sb_bio)->bv_page = sb_page; get_page(sb_page); - if (blk_queue_discard(bdev_get_queue(ca->bdev))) + if (blk_queue_discard(bdev_get_queue(bdev))) ca->discard = CACHE_DISCARD(&ca->sb); ret = cache_alloc(ca); if (ret != 0) { + blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); if (ret == -ENOMEM) err = "cache_alloc(): -ENOMEM"; else @@ -1918,14 +1932,14 @@ static int register_cache(struct cache_sb *sb, struct page *sb_page, goto out; } - pr_info("registered cache device %s", bdevname(bdev, name)); + pr_info("registered cache device %s", name); out: kobject_put(&ca->kobj); err: if (err) - pr_notice("error opening %s: %s", bdevname(bdev, name), err); + pr_notice("error %s: %s", name, err); return ret; } @@ -2014,6 +2028,7 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr, if (err) goto err_close; + err = "failed to register device"; if (SB_IS_BDEV(sb)) { struct cached_dev *dc = kzalloc(sizeof(*dc), GFP_KERNEL); if (!dc) @@ -2028,7 +2043,7 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr, goto err_close; if (register_cache(sb, sb_page, bdev, ca) != 0) - goto err_close; + goto err; } out: if (sb_page) @@ -2041,7 +2056,7 @@ out: err_close: blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); err: - pr_info("error opening %s: %s", path, err); + pr_info("error %s: %s", path, err); ret = -EINVAL; goto out; } diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 414c9af..aa2032f 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -386,9 +386,6 @@ static void __cache_size_refresh(void) static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, enum data_mode *data_mode) { - unsigned noio_flag; - void *ptr; - if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) { *data_mode = DATA_MODE_SLAB; return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask); @@ -412,16 +409,15 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, * all allocations done by this process (including pagetables) are done * as if GFP_NOIO was specified. */ + if (gfp_mask & __GFP_NORETRY) { + unsigned noio_flag = memalloc_noio_save(); + void *ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL); - if (gfp_mask & __GFP_NORETRY) - noio_flag = memalloc_noio_save(); - - ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL); - - if (gfp_mask & __GFP_NORETRY) memalloc_noio_restore(noio_flag); + return ptr; + } - return ptr; + return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL); } /* diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 7d3e572..a05a560 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -211,29 +211,27 @@ static int alloc_multipath_stage2(struct dm_target *ti, struct multipath *m) else m->queue_mode = DM_TYPE_REQUEST_BASED; - } else if (m->queue_mode == DM_TYPE_BIO_BASED || - m->queue_mode == DM_TYPE_NVME_BIO_BASED) { + } else if (m->queue_mode == DM_TYPE_BIO_BASED) { INIT_WORK(&m->process_queued_bios, process_queued_bios); - - if (m->queue_mode == DM_TYPE_BIO_BASED) { - /* - * bio-based doesn't support any direct scsi_dh management; - * it just discovers if a scsi_dh is attached. - */ - set_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags); - } - } - - if (m->queue_mode != DM_TYPE_NVME_BIO_BASED) { - set_bit(MPATHF_QUEUE_IO, &m->flags); - atomic_set(&m->pg_init_in_progress, 0); - atomic_set(&m->pg_init_count, 0); - m->pg_init_delay_msecs = DM_PG_INIT_DELAY_DEFAULT; - init_waitqueue_head(&m->pg_init_wait); + /* + * bio-based doesn't support any direct scsi_dh management; + * it just discovers if a scsi_dh is attached. + */ + set_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags); } dm_table_set_type(ti->table, m->queue_mode); + /* + * Init fields that are only used when a scsi_dh is attached + * - must do this unconditionally (really doesn't hurt non-SCSI uses) + */ + set_bit(MPATHF_QUEUE_IO, &m->flags); + atomic_set(&m->pg_init_in_progress, 0); + atomic_set(&m->pg_init_count, 0); + m->pg_init_delay_msecs = DM_PG_INIT_DELAY_DEFAULT; + init_waitqueue_head(&m->pg_init_wait); + return 0; } @@ -337,9 +335,6 @@ static void __switch_pg(struct multipath *m, struct priority_group *pg) { m->current_pg = pg; - if (m->queue_mode == DM_TYPE_NVME_BIO_BASED) - return; - /* Must we initialise the PG first, and queue I/O till it's ready? */ if (m->hw_handler_name) { set_bit(MPATHF_PG_INIT_REQUIRED, &m->flags); @@ -385,8 +380,7 @@ static struct pgpath *choose_pgpath(struct multipath *m, size_t nr_bytes) unsigned bypassed = 1; if (!atomic_read(&m->nr_valid_paths)) { - if (m->queue_mode != DM_TYPE_NVME_BIO_BASED) - clear_bit(MPATHF_QUEUE_IO, &m->flags); + clear_bit(MPATHF_QUEUE_IO, &m->flags); goto failed; } @@ -599,7 +593,7 @@ static struct pgpath *__map_bio(struct multipath *m, struct bio *bio) return pgpath; } -static struct pgpath *__map_bio_nvme(struct multipath *m, struct bio *bio) +static struct pgpath *__map_bio_fast(struct multipath *m, struct bio *bio) { struct pgpath *pgpath; unsigned long flags; @@ -634,8 +628,8 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, { struct pgpath *pgpath; - if (m->queue_mode == DM_TYPE_NVME_BIO_BASED) - pgpath = __map_bio_nvme(m, bio); + if (!m->hw_handler_name) + pgpath = __map_bio_fast(m, bio); else pgpath = __map_bio(m, bio); @@ -675,8 +669,7 @@ static void process_queued_io_list(struct multipath *m) { if (m->queue_mode == DM_TYPE_MQ_REQUEST_BASED) dm_mq_kick_requeue_list(dm_table_get_md(m->ti->table)); - else if (m->queue_mode == DM_TYPE_BIO_BASED || - m->queue_mode == DM_TYPE_NVME_BIO_BASED) + else if (m->queue_mode == DM_TYPE_BIO_BASED) queue_work(kmultipathd, &m->process_queued_bios); } @@ -811,15 +804,14 @@ static int parse_path_selector(struct dm_arg_set *as, struct priority_group *pg, return 0; } -static int setup_scsi_dh(struct block_device *bdev, struct multipath *m, char **error) +static int setup_scsi_dh(struct block_device *bdev, struct multipath *m, + const char *attached_handler_name, char **error) { struct request_queue *q = bdev_get_queue(bdev); - const char *attached_handler_name; int r; if (test_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags)) { retain: - attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL); if (attached_handler_name) { /* * Clear any hw_handler_params associated with a @@ -873,6 +865,8 @@ static struct pgpath *parse_path(struct dm_arg_set *as, struct path_selector *ps int r; struct pgpath *p; struct multipath *m = ti->private; + struct request_queue *q; + const char *attached_handler_name; /* we need at least a path arg */ if (as->argc < 1) { @@ -891,9 +885,11 @@ static struct pgpath *parse_path(struct dm_arg_set *as, struct path_selector *ps goto bad; } - if (m->queue_mode != DM_TYPE_NVME_BIO_BASED) { + q = bdev_get_queue(p->path.dev->bdev); + attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL); + if (attached_handler_name) { INIT_DELAYED_WORK(&p->activate_path, activate_path_work); - r = setup_scsi_dh(p->path.dev->bdev, m, &ti->error); + r = setup_scsi_dh(p->path.dev->bdev, m, attached_handler_name, &ti->error); if (r) { dm_put_device(ti, p->path.dev); goto bad; @@ -1001,8 +997,7 @@ static int parse_hw_handler(struct dm_arg_set *as, struct multipath *m) if (!hw_argc) return 0; - if (m->queue_mode == DM_TYPE_BIO_BASED || - m->queue_mode == DM_TYPE_NVME_BIO_BASED) { + if (m->queue_mode == DM_TYPE_BIO_BASED) { dm_consume_args(as, hw_argc); DMERR("bio-based multipath doesn't allow hardware handler args"); return 0; @@ -1091,8 +1086,6 @@ static int parse_features(struct dm_arg_set *as, struct multipath *m) if (!strcasecmp(queue_mode_name, "bio")) m->queue_mode = DM_TYPE_BIO_BASED; - else if (!strcasecmp(queue_mode_name, "nvme")) - m->queue_mode = DM_TYPE_NVME_BIO_BASED; else if (!strcasecmp(queue_mode_name, "rq")) m->queue_mode = DM_TYPE_REQUEST_BASED; else if (!strcasecmp(queue_mode_name, "mq")) @@ -1193,7 +1186,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->num_discard_bios = 1; ti->num_write_same_bios = 1; ti->num_write_zeroes_bios = 1; - if (m->queue_mode == DM_TYPE_BIO_BASED || m->queue_mode == DM_TYPE_NVME_BIO_BASED) + if (m->queue_mode == DM_TYPE_BIO_BASED) ti->per_io_data_size = multipath_per_bio_data_size(); else ti->per_io_data_size = sizeof(struct dm_mpath_io); @@ -1730,9 +1723,6 @@ static void multipath_status(struct dm_target *ti, status_type_t type, case DM_TYPE_BIO_BASED: DMEMIT("queue_mode bio "); break; - case DM_TYPE_NVME_BIO_BASED: - DMEMIT("queue_mode nvme "); - break; case DM_TYPE_MQ_REQUEST_BASED: DMEMIT("queue_mode mq "); break; @@ -2030,8 +2020,9 @@ static int multipath_busy(struct dm_target *ti) *---------------------------------------------------------------*/ static struct target_type multipath_target = { .name = "multipath", - .version = {1, 12, 0}, - .features = DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE, + .version = {1, 13, 0}, + .features = DM_TARGET_SINGLETON | DM_TARGET_IMMUTABLE | + DM_TARGET_PASSES_INTEGRITY, .module = THIS_MODULE, .ctr = multipath_ctr, .dtr = multipath_dtr, diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 7ef469e..c1d1034 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3408,9 +3408,10 @@ static sector_t rs_get_progress(struct raid_set *rs, unsigned long recovery, set_bit(RT_FLAG_RS_IN_SYNC, &rs->runtime_flags); } else { - if (test_bit(MD_RECOVERY_NEEDED, &recovery) || - test_bit(MD_RECOVERY_RESHAPE, &recovery) || - test_bit(MD_RECOVERY_RUNNING, &recovery)) + if (!test_bit(MD_RECOVERY_INTR, &recovery) && + (test_bit(MD_RECOVERY_NEEDED, &recovery) || + test_bit(MD_RECOVERY_RESHAPE, &recovery) || + test_bit(MD_RECOVERY_RUNNING, &recovery))) r = mddev->curr_resync_completed; else r = mddev->recovery_cp; diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5fe7ec3..7eb3e2a 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -942,17 +942,12 @@ static int dm_table_determine_type(struct dm_table *t) if (t->type != DM_TYPE_NONE) { /* target already set the table's type */ - if (t->type == DM_TYPE_BIO_BASED) - return 0; - else if (t->type == DM_TYPE_NVME_BIO_BASED) { - if (!dm_table_does_not_support_partial_completion(t)) { - DMERR("nvme bio-based is only possible with devices" - " that don't support partial completion"); - return -EINVAL; - } - /* Fallthru, also verify all devices are blk-mq */ + if (t->type == DM_TYPE_BIO_BASED) { + /* possibly upgrade to a variant of bio-based */ + goto verify_bio_based; } BUG_ON(t->type == DM_TYPE_DAX_BIO_BASED); + BUG_ON(t->type == DM_TYPE_NVME_BIO_BASED); goto verify_rq_based; } @@ -985,6 +980,7 @@ static int dm_table_determine_type(struct dm_table *t) } if (bio_based) { +verify_bio_based: /* We must use this table as bio-based */ t->type = DM_TYPE_BIO_BASED; if (dm_table_supports_dax(t) || @@ -1755,7 +1751,7 @@ static int device_no_partial_completion(struct dm_target *ti, struct dm_dev *dev char b[BDEVNAME_SIZE]; /* For now, NVMe devices are the only devices of this class */ - return (strncmp(bdevname(dev->bdev, b), "nvme", 3) == 0); + return (strncmp(bdevname(dev->bdev, b), "nvme", 4) == 0); } static bool dm_table_does_not_support_partial_completion(struct dm_table *t) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index d6de00f..45328d8 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -458,9 +458,11 @@ static int dm_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo) return dm_get_geometry(md, geo); } -static int dm_grab_bdev_for_ioctl(struct mapped_device *md, - struct block_device **bdev, - fmode_t *mode) +static char *_dm_claim_ptr = "I belong to device-mapper"; + +static int dm_get_bdev_for_ioctl(struct mapped_device *md, + struct block_device **bdev, + fmode_t *mode) { struct dm_target *tgt; struct dm_table *map; @@ -490,6 +492,10 @@ retry: goto out; bdgrab(*bdev); + r = blkdev_get(*bdev, *mode, _dm_claim_ptr); + if (r < 0) + goto out; + dm_put_live_table(md, srcu_idx); return r; @@ -508,7 +514,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, struct mapped_device *md = bdev->bd_disk->private_data; int r; - r = dm_grab_bdev_for_ioctl(md, &bdev, &mode); + r = dm_get_bdev_for_ioctl(md, &bdev, &mode); if (r < 0) return r; @@ -528,7 +534,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, r = __blkdev_driver_ioctl(bdev, mode, cmd, arg); out: - bdput(bdev); + blkdev_put(bdev, mode); return r; } @@ -708,14 +714,13 @@ static void dm_put_live_table_fast(struct mapped_device *md) __releases(RCU) static int open_table_device(struct table_device *td, dev_t dev, struct mapped_device *md) { - static char *_claim_ptr = "I belong to device-mapper"; struct block_device *bdev; int r; BUG_ON(td->dm_dev.bdev); - bdev = blkdev_get_by_dev(dev, td->dm_dev.mode | FMODE_EXCL, _claim_ptr); + bdev = blkdev_get_by_dev(dev, td->dm_dev.mode | FMODE_EXCL, _dm_claim_ptr); if (IS_ERR(bdev)) return PTR_ERR(bdev); @@ -903,7 +908,8 @@ static void dec_pending(struct dm_io *io, blk_status_t error) queue_io(md, bio); } else { /* done with normal IO or empty flush */ - bio->bi_status = io_error; + if (io_error) + bio->bi_status = io_error; bio_endio(bio); } } @@ -3010,7 +3016,7 @@ static int dm_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type, fmode_t mode; int r; - r = dm_grab_bdev_for_ioctl(md, &bdev, &mode); + r = dm_get_bdev_for_ioctl(md, &bdev, &mode); if (r < 0) return r; @@ -3020,7 +3026,7 @@ static int dm_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type, else r = -EOPNOTSUPP; - bdput(bdev); + blkdev_put(bdev, mode); return r; } @@ -3031,7 +3037,7 @@ static int dm_pr_release(struct block_device *bdev, u64 key, enum pr_type type) fmode_t mode; int r; - r = dm_grab_bdev_for_ioctl(md, &bdev, &mode); + r = dm_get_bdev_for_ioctl(md, &bdev, &mode); if (r < 0) return r; @@ -3041,7 +3047,7 @@ static int dm_pr_release(struct block_device *bdev, u64 key, enum pr_type type) else r = -EOPNOTSUPP; - bdput(bdev); + blkdev_put(bdev, mode); return r; } @@ -3053,7 +3059,7 @@ static int dm_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key, fmode_t mode; int r; - r = dm_grab_bdev_for_ioctl(md, &bdev, &mode); + r = dm_get_bdev_for_ioctl(md, &bdev, &mode); if (r < 0) return r; @@ -3063,7 +3069,7 @@ static int dm_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key, else r = -EOPNOTSUPP; - bdput(bdev); + blkdev_put(bdev, mode); return r; } @@ -3074,7 +3080,7 @@ static int dm_pr_clear(struct block_device *bdev, u64 key) fmode_t mode; int r; - r = dm_grab_bdev_for_ioctl(md, &bdev, &mode); + r = dm_get_bdev_for_ioctl(md, &bdev, &mode); if (r < 0) return r; @@ -3084,7 +3090,7 @@ static int dm_pr_clear(struct block_device *bdev, u64 key) else r = -EOPNOTSUPP; - bdput(bdev); + blkdev_put(bdev, mode); return r; } diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c index e40065b..0a7e99d 100644 --- a/drivers/md/md-multipath.c +++ b/drivers/md/md-multipath.c @@ -157,7 +157,7 @@ static void multipath_status(struct seq_file *seq, struct mddev *mddev) seq_printf (seq, "%s", rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_"); } rcu_read_unlock(); - seq_printf (seq, "]"); + seq_putc(seq, ']'); } static int multipath_congested(struct mddev *mddev, int bits) diff --git a/drivers/md/md.c b/drivers/md/md.c index bc67ab6..254e44e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -801,6 +801,9 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, struct bio *bio; int ff = 0; + if (!page) + return; + if (test_bit(Faulty, &rdev->flags)) return; @@ -5452,6 +5455,7 @@ int md_run(struct mddev *mddev) * the only valid external interface is through the md * device. */ + mddev->has_superblocks = false; rdev_for_each(rdev, mddev) { if (test_bit(Faulty, &rdev->flags)) continue; @@ -5465,6 +5469,9 @@ int md_run(struct mddev *mddev) set_disk_ro(mddev->gendisk, 1); } + if (rdev->sb_page) + mddev->has_superblocks = true; + /* perform some consistency tests on the device. * We don't want the data to overlap the metadata, * Internal Bitmap issues have been handled elsewhere. @@ -5497,8 +5504,10 @@ int md_run(struct mddev *mddev) } if (mddev->sync_set == NULL) { mddev->sync_set = bioset_create(BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS); - if (!mddev->sync_set) - return -ENOMEM; + if (!mddev->sync_set) { + err = -ENOMEM; + goto abort; + } } spin_lock(&pers_lock); @@ -5511,7 +5520,8 @@ int md_run(struct mddev *mddev) else pr_warn("md: personality for level %s is not loaded!\n", mddev->clevel); - return -EINVAL; + err = -EINVAL; + goto abort; } spin_unlock(&pers_lock); if (mddev->level != pers->level) { @@ -5524,7 +5534,8 @@ int md_run(struct mddev *mddev) pers->start_reshape == NULL) { /* This personality cannot handle reshaping... */ module_put(pers->owner); - return -EINVAL; + err = -EINVAL; + goto abort; } if (pers->sync_request) { @@ -5593,7 +5604,7 @@ int md_run(struct mddev *mddev) mddev->private = NULL; module_put(pers->owner); bitmap_destroy(mddev); - return err; + goto abort; } if (mddev->queue) { bool nonrot = true; @@ -5655,6 +5666,18 @@ int md_run(struct mddev *mddev) sysfs_notify_dirent_safe(mddev->sysfs_action); sysfs_notify(&mddev->kobj, NULL, "degraded"); return 0; + +abort: + if (mddev->bio_set) { + bioset_free(mddev->bio_set); + mddev->bio_set = NULL; + } + if (mddev->sync_set) { + bioset_free(mddev->sync_set); + mddev->sync_set = NULL; + } + + return err; } EXPORT_SYMBOL_GPL(md_run); @@ -8049,6 +8072,7 @@ EXPORT_SYMBOL(md_done_sync); bool md_write_start(struct mddev *mddev, struct bio *bi) { int did_change = 0; + if (bio_data_dir(bi) != WRITE) return true; @@ -8081,6 +8105,8 @@ bool md_write_start(struct mddev *mddev, struct bio *bi) rcu_read_unlock(); if (did_change) sysfs_notify_dirent_safe(mddev->sysfs_state); + if (!mddev->has_superblocks) + return true; wait_event(mddev->sb_wait, !test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags) || mddev->suspended); @@ -8543,6 +8569,19 @@ void md_do_sync(struct md_thread *thread) set_mask_bits(&mddev->sb_flags, 0, BIT(MD_SB_CHANGE_PENDING) | BIT(MD_SB_CHANGE_DEVS)); + if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && + !test_bit(MD_RECOVERY_INTR, &mddev->recovery) && + mddev->delta_disks > 0 && + mddev->pers->finish_reshape && + mddev->pers->size && + mddev->queue) { + mddev_lock_nointr(mddev); + md_set_array_sectors(mddev, mddev->pers->size(mddev, 0, 0)); + mddev_unlock(mddev); + set_capacity(mddev->gendisk, mddev->array_sectors); + revalidate_disk(mddev->gendisk); + } + spin_lock(&mddev->lock); if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { /* We completed so min/max setting can be forgotten if used. */ @@ -8569,6 +8608,10 @@ static int remove_and_add_spares(struct mddev *mddev, int removed = 0; bool remove_some = false; + if (this && test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + /* Mustn't remove devices when resync thread is running */ + return 0; + rdev_for_each(rdev, mddev) { if ((this == NULL || rdev == this) && rdev->raid_disk >= 0 && diff --git a/drivers/md/md.h b/drivers/md/md.h index 58cd20a..fbc925c 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -468,6 +468,8 @@ struct mddev { void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev); struct md_cluster_info *cluster_info; unsigned int good_device_nr; /* good device num within cluster raid */ + + bool has_superblocks:1; }; enum recovery_flags { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index b2eae33..fe872dc 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1108,7 +1108,7 @@ static void alloc_behind_master_bio(struct r1bio *r1_bio, bio_copy_data(behind_bio, bio); skip_copy: - r1_bio->behind_master_bio = behind_bio;; + r1_bio->behind_master_bio = behind_bio; set_bit(R1BIO_BehindIO, &r1_bio->state); return; @@ -1809,6 +1809,17 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev) struct md_rdev *repl = conf->mirrors[conf->raid_disks + number].rdev; freeze_array(conf, 0); + if (atomic_read(&repl->nr_pending)) { + /* It means that some queued IO of retry_list + * hold repl. Thus, we cannot set replacement + * as NULL, avoiding rdev NULL pointer + * dereference in sync_request_write and + * handle_write_finished. + */ + err = -EBUSY; + unfreeze_array(conf); + goto abort; + } clear_bit(Replacement, &repl->flags); p->rdev = repl; conf->mirrors[conf->raid_disks + number].rdev = NULL; diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index c7294e7..eb84bc6 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -26,6 +26,18 @@ #define BARRIER_BUCKETS_NR_BITS (PAGE_SHIFT - ilog2(sizeof(atomic_t))) #define BARRIER_BUCKETS_NR (1<<BARRIER_BUCKETS_NR_BITS) +/* Note: raid1_info.rdev can be set to NULL asynchronously by raid1_remove_disk. + * There are three safe ways to access raid1_info.rdev. + * 1/ when holding mddev->reconfig_mutex + * 2/ when resync/recovery is known to be happening - i.e. in code that is + * called as part of performing resync/recovery. + * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer + * and if it is non-NULL, increment rdev->nr_pending before dropping the + * RCU lock. + * When .rdev is set to NULL, the nr_pending count checked again and if it has + * been incremented, the pointer is put back in .rdev. + */ + struct raid1_info { struct md_rdev *rdev; sector_t head_position; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 99c9207..c5e6c60 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -141,7 +141,7 @@ static void r10bio_pool_free(void *r10_bio, void *data) #define RESYNC_WINDOW (1024*1024) /* maximum number of concurrent requests, memory permitting */ #define RESYNC_DEPTH (32*1024*1024/RESYNC_BLOCK_SIZE) -#define CLUSTER_RESYNC_WINDOW (16 * RESYNC_WINDOW) +#define CLUSTER_RESYNC_WINDOW (32 * RESYNC_WINDOW) #define CLUSTER_RESYNC_WINDOW_SECTORS (CLUSTER_RESYNC_WINDOW >> 9) /* @@ -2655,7 +2655,8 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) for (m = 0; m < conf->copies; m++) { int dev = r10_bio->devs[m].devnum; rdev = conf->mirrors[dev].rdev; - if (r10_bio->devs[m].bio == NULL) + if (r10_bio->devs[m].bio == NULL || + r10_bio->devs[m].bio->bi_end_io == NULL) continue; if (!r10_bio->devs[m].bio->bi_status) { rdev_clear_badblocks( @@ -2670,7 +2671,8 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) md_error(conf->mddev, rdev); } rdev = conf->mirrors[dev].replacement; - if (r10_bio->devs[m].repl_bio == NULL) + if (r10_bio->devs[m].repl_bio == NULL || + r10_bio->devs[m].repl_bio->bi_end_io == NULL) continue; if (!r10_bio->devs[m].repl_bio->bi_status) { @@ -3782,7 +3784,7 @@ static int raid10_run(struct mddev *mddev) if (fc > 1 || fo > 0) { pr_err("only near layout is supported by clustered" " raid10\n"); - goto out; + goto out_free_conf; } } @@ -4830,17 +4832,11 @@ static void raid10_finish_reshape(struct mddev *mddev) return; if (mddev->delta_disks > 0) { - sector_t size = raid10_size(mddev, 0, 0); - md_set_array_sectors(mddev, size); if (mddev->recovery_cp > mddev->resync_max_sectors) { mddev->recovery_cp = mddev->resync_max_sectors; set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); } - mddev->resync_max_sectors = size; - if (mddev->queue) { - set_capacity(mddev->gendisk, mddev->array_sectors); - revalidate_disk(mddev->gendisk); - } + mddev->resync_max_sectors = mddev->array_sectors; } else { int d; rcu_read_lock(); diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index db2ac22..e2e8840 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -2,6 +2,19 @@ #ifndef _RAID10_H #define _RAID10_H +/* Note: raid10_info.rdev can be set to NULL asynchronously by + * raid10_remove_disk. + * There are three safe ways to access raid10_info.rdev. + * 1/ when holding mddev->reconfig_mutex + * 2/ when resync/recovery/reshape is known to be happening - i.e. in code + * that is called as part of performing resync/recovery/reshape. + * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer + * and if it is non-NULL, increment rdev->nr_pending before dropping the + * RCU lock. + * When .rdev is set to NULL, the nr_pending count checked again and if it has + * been incremented, the pointer is put back in .rdev. + */ + struct raid10_info { struct md_rdev *rdev, *replacement; sector_t head_position; diff --git a/drivers/md/raid5-log.h b/drivers/md/raid5-log.h index 0c76bce..a001808 100644 --- a/drivers/md/raid5-log.h +++ b/drivers/md/raid5-log.h @@ -44,6 +44,7 @@ extern void ppl_write_stripe_run(struct r5conf *conf); extern void ppl_stripe_write_finished(struct stripe_head *sh); extern int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add); extern void ppl_quiesce(struct r5conf *conf, int quiesce); +extern int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio); static inline bool raid5_has_ppl(struct r5conf *conf) { @@ -104,7 +105,7 @@ static inline int log_handle_flush_request(struct r5conf *conf, struct bio *bio) if (conf->log) ret = r5l_handle_flush_request(conf->log, bio); else if (raid5_has_ppl(conf)) - ret = 0; + ret = ppl_handle_flush_request(conf->log, bio); return ret; } diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 2764c22..42890a08 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -693,6 +693,16 @@ void ppl_quiesce(struct r5conf *conf, int quiesce) } } +int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio) +{ + if (bio->bi_iter.bi_size == 0) { + bio_endio(bio); + return 0; + } + bio->bi_opf &= ~REQ_PREFLUSH; + return -EAGAIN; +} + void ppl_stripe_write_finished(struct stripe_head *sh) { struct ppl_io_unit *io; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 50d0114..b5d2601 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2196,15 +2196,16 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) static int grow_stripes(struct r5conf *conf, int num) { struct kmem_cache *sc; + size_t namelen = sizeof(conf->cache_name[0]); int devs = max(conf->raid_disks, conf->previous_raid_disks); if (conf->mddev->gendisk) - sprintf(conf->cache_name[0], + snprintf(conf->cache_name[0], namelen, "raid%d-%s", conf->level, mdname(conf->mddev)); else - sprintf(conf->cache_name[0], + snprintf(conf->cache_name[0], namelen, "raid%d-%p", conf->level, conf->mddev); - sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]); + snprintf(conf->cache_name[1], namelen, "%.27s-alt", conf->cache_name[0]); conf->active_name = 0; sc = kmem_cache_create(conf->cache_name[conf->active_name], @@ -6764,9 +6765,7 @@ static void free_conf(struct r5conf *conf) log_exit(conf); - if (conf->shrinker.nr_deferred) - unregister_shrinker(&conf->shrinker); - + unregister_shrinker(&conf->shrinker); free_thread_groups(conf); shrink_stripes(conf); raid5_free_percpu(conf); @@ -8001,13 +8000,7 @@ static void raid5_finish_reshape(struct mddev *mddev) if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { - if (mddev->delta_disks > 0) { - md_set_array_sectors(mddev, raid5_size(mddev, 0, 0)); - if (mddev->queue) { - set_capacity(mddev->gendisk, mddev->array_sectors); - revalidate_disk(mddev->gendisk); - } - } else { + if (mddev->delta_disks <= 0) { int d; spin_lock_irq(&conf->device_lock); mddev->degraded = raid5_calc_degraded(conf); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 2e61238..3f8da26 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -450,6 +450,18 @@ enum { * HANDLE gets cleared if stripe_handle leaves nothing locked. */ +/* Note: disk_info.rdev can be set to NULL asynchronously by raid5_remove_disk. + * There are three safe ways to access disk_info.rdev. + * 1/ when holding mddev->reconfig_mutex + * 2/ when resync/recovery/reshape is known to be happening - i.e. in code that + * is called as part of performing resync/recovery/reshape. + * 3/ while holding rcu_read_lock(), use rcu_dereference to get the pointer + * and if it is non-NULL, increment rdev->nr_pending before dropping the RCU + * lock. + * When .rdev is set to NULL, the nr_pending count checked again and if + * it has been incremented, the pointer is put back in .rdev. + */ + struct disk_info { struct md_rdev *rdev, *replacement; struct page *extra_page; /* extra page to use in prexor */ diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index 145e12b..86c1a19 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -147,9 +147,11 @@ config DVB_CORE config DVB_MMAP bool "Enable DVB memory-mapped API (EXPERIMENTAL)" depends on DVB_CORE + depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE + select VIDEOBUF2_VMALLOC default n help - This option enables DVB experimental memory-mapped API, with + This option enables DVB experimental memory-mapped API, which reduces the number of context switches to read DVB buffers, as the buffers can use mmap() syscalls. diff --git a/drivers/media/common/videobuf2/Kconfig b/drivers/media/common/videobuf2/Kconfig index 5df0525..17c32ea 100644 --- a/drivers/media/common/videobuf2/Kconfig +++ b/drivers/media/common/videobuf2/Kconfig @@ -3,6 +3,9 @@ config VIDEOBUF2_CORE select DMA_SHARED_BUFFER tristate +config VIDEOBUF2_V4L2 + tristate + config VIDEOBUF2_MEMOPS tristate select FRAME_VECTOR diff --git a/drivers/media/common/videobuf2/Makefile b/drivers/media/common/videobuf2/Makefile index 19de5cc..77bebe8b 100644 --- a/drivers/media/common/videobuf2/Makefile +++ b/drivers/media/common/videobuf2/Makefile @@ -1,5 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0 +videobuf2-common-objs := videobuf2-core.o -obj-$(CONFIG_VIDEOBUF2_CORE) += videobuf2-core.o videobuf2-v4l2.o +ifeq ($(CONFIG_TRACEPOINTS),y) + videobuf2-common-objs += vb2-trace.o +endif + +obj-$(CONFIG_VIDEOBUF2_CORE) += videobuf2-common.o +obj-$(CONFIG_VIDEOBUF2_V4L2) += videobuf2-v4l2.o obj-$(CONFIG_VIDEOBUF2_MEMOPS) += videobuf2-memops.o obj-$(CONFIG_VIDEOBUF2_VMALLOC) += videobuf2-vmalloc.o obj-$(CONFIG_VIDEOBUF2_DMA_CONTIG) += videobuf2-dma-contig.o diff --git a/drivers/media/v4l2-core/vb2-trace.c b/drivers/media/common/videobuf2/vb2-trace.c index 4c0f39d..4c0f39d 100644 --- a/drivers/media/v4l2-core/vb2-trace.c +++ b/drivers/media/common/videobuf2/vb2-trace.c diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile index 3a105d8..62b028d 100644 --- a/drivers/media/dvb-core/Makefile +++ b/drivers/media/dvb-core/Makefile @@ -4,7 +4,7 @@ # dvb-net-$(CONFIG_DVB_NET) := dvb_net.o -dvb-vb2-$(CONFIG_DVB_MMSP) := dvb_vb2.o +dvb-vb2-$(CONFIG_DVB_MMAP) := dvb_vb2.o dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o \ dvb_ca_en50221.o dvb_frontend.o \ diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 6d53af0..61a750f 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -128,11 +128,7 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; struct dmx_frontend *front; -#ifndef DVB_MMAP bool need_ringbuffer = false; -#else - const bool need_ringbuffer = true; -#endif dprintk("%s\n", __func__); @@ -144,17 +140,31 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) return -ENODEV; } -#ifndef DVB_MMAP + dmxdev->may_do_mmap = 0; + + /* + * The logic here is a little tricky due to the ifdef. + * + * The ringbuffer is used for both read and mmap. + * + * It is not needed, however, on two situations: + * - Write devices (access with O_WRONLY); + * - For duplex device nodes, opened with O_RDWR. + */ + if ((file->f_flags & O_ACCMODE) == O_RDONLY) need_ringbuffer = true; -#else - if ((file->f_flags & O_ACCMODE) == O_RDWR) { + else if ((file->f_flags & O_ACCMODE) == O_RDWR) { if (!(dmxdev->capabilities & DMXDEV_CAP_DUPLEX)) { +#ifdef CONFIG_DVB_MMAP + dmxdev->may_do_mmap = 1; + need_ringbuffer = true; +#else mutex_unlock(&dmxdev->mutex); return -EOPNOTSUPP; +#endif } } -#endif if (need_ringbuffer) { void *mem; @@ -169,8 +179,9 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) return -ENOMEM; } dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE); - dvb_vb2_init(&dmxdev->dvr_vb2_ctx, "dvr", - file->f_flags & O_NONBLOCK); + if (dmxdev->may_do_mmap) + dvb_vb2_init(&dmxdev->dvr_vb2_ctx, "dvr", + file->f_flags & O_NONBLOCK); dvbdev->readers--; } @@ -200,11 +211,6 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; -#ifndef DVB_MMAP - bool need_ringbuffer = false; -#else - const bool need_ringbuffer = true; -#endif mutex_lock(&dmxdev->mutex); @@ -213,15 +219,14 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) dmxdev->demux->connect_frontend(dmxdev->demux, dmxdev->dvr_orig_fe); } -#ifndef DVB_MMAP - if ((file->f_flags & O_ACCMODE) == O_RDONLY) - need_ringbuffer = true; -#endif - if (need_ringbuffer) { - if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx)) - dvb_vb2_stream_off(&dmxdev->dvr_vb2_ctx); - dvb_vb2_release(&dmxdev->dvr_vb2_ctx); + if (((file->f_flags & O_ACCMODE) == O_RDONLY) || + dmxdev->may_do_mmap) { + if (dmxdev->may_do_mmap) { + if (dvb_vb2_is_streaming(&dmxdev->dvr_vb2_ctx)) + dvb_vb2_stream_off(&dmxdev->dvr_vb2_ctx); + dvb_vb2_release(&dmxdev->dvr_vb2_ctx); + } dvbdev->readers++; if (dmxdev->dvr_buffer.data) { void *mem = dmxdev->dvr_buffer.data; @@ -380,7 +385,8 @@ static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter) static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, const u8 *buffer2, size_t buffer2_len, - struct dmx_section_filter *filter) + struct dmx_section_filter *filter, + u32 *buffer_flags) { struct dmxdev_filter *dmxdevfilter = filter->priv; int ret; @@ -399,10 +405,12 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, dprintk("section callback %*ph\n", 6, buffer1); if (dvb_vb2_is_streaming(&dmxdevfilter->vb2_ctx)) { ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx, - buffer1, buffer1_len); + buffer1, buffer1_len, + buffer_flags); if (ret == buffer1_len) ret = dvb_vb2_fill_buffer(&dmxdevfilter->vb2_ctx, - buffer2, buffer2_len); + buffer2, buffer2_len, + buffer_flags); } else { ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, buffer1_len); @@ -422,11 +430,12 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len, static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, const u8 *buffer2, size_t buffer2_len, - struct dmx_ts_feed *feed) + struct dmx_ts_feed *feed, + u32 *buffer_flags) { struct dmxdev_filter *dmxdevfilter = feed->priv; struct dvb_ringbuffer *buffer; -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP struct dvb_vb2_ctx *ctx; #endif int ret; @@ -440,20 +449,22 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len, if (dmxdevfilter->params.pes.output == DMX_OUT_TAP || dmxdevfilter->params.pes.output == DMX_OUT_TSDEMUX_TAP) { buffer = &dmxdevfilter->buffer; -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP ctx = &dmxdevfilter->vb2_ctx; #endif } else { buffer = &dmxdevfilter->dev->dvr_buffer; -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP ctx = &dmxdevfilter->dev->dvr_vb2_ctx; #endif } if (dvb_vb2_is_streaming(ctx)) { - ret = dvb_vb2_fill_buffer(ctx, buffer1, buffer1_len); + ret = dvb_vb2_fill_buffer(ctx, buffer1, buffer1_len, + buffer_flags); if (ret == buffer1_len) - ret = dvb_vb2_fill_buffer(ctx, buffer2, buffer2_len); + ret = dvb_vb2_fill_buffer(ctx, buffer2, buffer2_len, + buffer_flags); } else { if (buffer->error) { spin_unlock(&dmxdevfilter->dev->lock); @@ -802,6 +813,12 @@ static int dvb_demux_open(struct inode *inode, struct file *file) mutex_init(&dmxdevfilter->mutex); file->private_data = dmxdevfilter; +#ifdef CONFIG_DVB_MMAP + dmxdev->may_do_mmap = 1; +#else + dmxdev->may_do_mmap = 0; +#endif + dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192); dvb_vb2_init(&dmxdevfilter->vb2_ctx, "demux_filter", file->f_flags & O_NONBLOCK); @@ -1111,7 +1128,7 @@ static int dvb_demux_do_ioctl(struct file *file, mutex_unlock(&dmxdevfilter->mutex); break; -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP case DMX_REQBUFS: if (mutex_lock_interruptible(&dmxdevfilter->mutex)) { mutex_unlock(&dmxdev->mutex); @@ -1160,7 +1177,7 @@ static int dvb_demux_do_ioctl(struct file *file, break; #endif default: - ret = -EINVAL; + ret = -ENOTTY; break; } mutex_unlock(&dmxdev->mutex); @@ -1199,13 +1216,16 @@ static __poll_t dvb_demux_poll(struct file *file, poll_table *wait) return mask; } -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP static int dvb_demux_mmap(struct file *file, struct vm_area_struct *vma) { struct dmxdev_filter *dmxdevfilter = file->private_data; struct dmxdev *dmxdev = dmxdevfilter->dev; int ret; + if (!dmxdev->may_do_mmap) + return -ENOTTY; + if (mutex_lock_interruptible(&dmxdev->mutex)) return -ERESTARTSYS; @@ -1249,7 +1269,7 @@ static const struct file_operations dvb_demux_fops = { .release = dvb_demux_release, .poll = dvb_demux_poll, .llseek = default_llseek, -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP .mmap = dvb_demux_mmap, #endif }; @@ -1280,7 +1300,7 @@ static int dvb_dvr_do_ioctl(struct file *file, ret = dvb_dvr_set_buffer_size(dmxdev, arg); break; -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP case DMX_REQBUFS: ret = dvb_vb2_reqbufs(&dmxdev->dvr_vb2_ctx, parg); break; @@ -1304,7 +1324,7 @@ static int dvb_dvr_do_ioctl(struct file *file, break; #endif default: - ret = -EINVAL; + ret = -ENOTTY; break; } mutex_unlock(&dmxdev->mutex); @@ -1322,11 +1342,6 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; __poll_t mask = 0; -#ifndef DVB_MMAP - bool need_ringbuffer = false; -#else - const bool need_ringbuffer = true; -#endif dprintk("%s\n", __func__); @@ -1337,11 +1352,8 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) poll_wait(file, &dmxdev->dvr_buffer.queue, wait); -#ifndef DVB_MMAP - if ((file->f_flags & O_ACCMODE) == O_RDONLY) - need_ringbuffer = true; -#endif - if (need_ringbuffer) { + if (((file->f_flags & O_ACCMODE) == O_RDONLY) || + dmxdev->may_do_mmap) { if (dmxdev->dvr_buffer.error) mask |= (EPOLLIN | EPOLLRDNORM | EPOLLPRI | EPOLLERR); @@ -1353,13 +1365,16 @@ static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) return mask; } -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP static int dvb_dvr_mmap(struct file *file, struct vm_area_struct *vma) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; int ret; + if (!dmxdev->may_do_mmap) + return -ENOTTY; + if (dmxdev->exit) return -ENODEV; @@ -1381,7 +1396,7 @@ static const struct file_operations dvb_dvr_fops = { .release = dvb_dvr_release, .poll = dvb_dvr_poll, .llseek = default_llseek, -#ifdef DVB_MMAP +#ifdef CONFIG_DVB_MMAP .mmap = dvb_dvr_mmap, #endif }; diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c index 210eed0..f450912 100644 --- a/drivers/media/dvb-core/dvb_demux.c +++ b/drivers/media/dvb-core/dvb_demux.c @@ -55,6 +55,17 @@ MODULE_PARM_DESC(dvb_demux_feed_err_pkts, dprintk(x); \ } while (0) +#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG +# define dprintk_sect_loss(x...) dprintk(x) +#else +# define dprintk_sect_loss(x...) +#endif + +#define set_buf_flags(__feed, __flag) \ + do { \ + (__feed)->buffer_flags |= (__flag); \ + } while (0) + /****************************************************************************** * static inlined helper functions ******************************************************************************/ @@ -104,31 +115,30 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed, { int count = payload(buf); int p; -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG int ccok; u8 cc; -#endif if (count == 0) return -1; p = 188 - count; -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG cc = buf[3] & 0x0f; ccok = ((feed->cc + 1) & 0x0f) == cc; feed->cc = cc; - if (!ccok) - dprintk("missed packet: %d instead of %d!\n", - cc, (feed->cc + 1) & 0x0f); -#endif + if (!ccok) { + set_buf_flags(feed, DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("missed packet: %d instead of %d!\n", + cc, (feed->cc + 1) & 0x0f); + } if (buf[1] & 0x40) // PUSI ? feed->peslen = 0xfffa; feed->peslen += count; - return feed->cb.ts(&buf[p], count, NULL, 0, &feed->feed.ts); + return feed->cb.ts(&buf[p], count, NULL, 0, &feed->feed.ts, + &feed->buffer_flags); } static int dvb_dmx_swfilter_sectionfilter(struct dvb_demux_feed *feed, @@ -150,7 +160,7 @@ static int dvb_dmx_swfilter_sectionfilter(struct dvb_demux_feed *feed, return 0; return feed->cb.sec(feed->feed.sec.secbuf, feed->feed.sec.seclen, - NULL, 0, &f->filter); + NULL, 0, &f->filter, &feed->buffer_flags); } static inline int dvb_dmx_swfilter_section_feed(struct dvb_demux_feed *feed) @@ -169,8 +179,10 @@ static inline int dvb_dmx_swfilter_section_feed(struct dvb_demux_feed *feed) if (sec->check_crc) { section_syntax_indicator = ((sec->secbuf[1] & 0x80) != 0); if (section_syntax_indicator && - demux->check_crc32(feed, sec->secbuf, sec->seclen)) + demux->check_crc32(feed, sec->secbuf, sec->seclen)) { + set_buf_flags(feed, DMX_BUFFER_FLAG_HAD_CRC32_DISCARD); return -1; + } } do { @@ -187,7 +199,6 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed) { struct dmx_section_feed *sec = &feed->feed.sec; -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG if (sec->secbufp < sec->tsfeedp) { int n = sec->tsfeedp - sec->secbufp; @@ -197,12 +208,13 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed) * but just first and last. */ if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) { - dprintk("section ts padding loss: %d/%d\n", - n, sec->tsfeedp); - dprintk("pad data: %*ph\n", n, sec->secbuf); + set_buf_flags(feed, + DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("section ts padding loss: %d/%d\n", + n, sec->tsfeedp); + dprintk_sect_loss("pad data: %*ph\n", n, sec->secbuf); } } -#endif sec->tsfeedp = sec->secbufp = sec->seclen = 0; sec->secbuf = sec->secbuf_base; @@ -237,11 +249,10 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed, return 0; if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) { -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - dprintk("section buffer full loss: %d/%d\n", - sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE, - DMX_MAX_SECFEED_SIZE); -#endif + set_buf_flags(feed, DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("section buffer full loss: %d/%d\n", + sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE, + DMX_MAX_SECFEED_SIZE); len = DMX_MAX_SECFEED_SIZE - sec->tsfeedp; } @@ -269,12 +280,13 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed, sec->seclen = seclen; sec->crc_val = ~0; /* dump [secbuf .. secbuf+seclen) */ - if (feed->pusi_seen) + if (feed->pusi_seen) { dvb_dmx_swfilter_section_feed(feed); -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - else - dprintk("pusi not seen, discarding section data\n"); -#endif + } else { + set_buf_flags(feed, + DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("pusi not seen, discarding section data\n"); + } sec->secbufp += seclen; /* secbufp and secbuf moving together is */ sec->secbuf += seclen; /* redundant but saves pointer arithmetic */ } @@ -307,18 +319,22 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, } if (!ccok || dc_i) { -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - if (dc_i) - dprintk("%d frame with disconnect indicator\n", + if (dc_i) { + set_buf_flags(feed, + DMX_BUFFER_FLAG_DISCONTINUITY_INDICATOR); + dprintk_sect_loss("%d frame with disconnect indicator\n", cc); - else - dprintk("discontinuity: %d instead of %d. %d bytes lost\n", + } else { + set_buf_flags(feed, + DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("discontinuity: %d instead of %d. %d bytes lost\n", cc, (feed->cc + 1) & 0x0f, count + 4); + } /* - * those bytes under sume circumstances will again be reported + * those bytes under some circumstances will again be reported * in the following dvb_dmx_swfilter_section_new */ -#endif + /* * Discontinuity detected. Reset pusi_seen to * stop feeding of suspicious data until next PUSI=1 arrives @@ -326,6 +342,7 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, * FIXME: does it make sense if the MPEG-TS is the one * reporting discontinuity? */ + feed->pusi_seen = false; dvb_dmx_swfilter_section_new(feed); } @@ -345,11 +362,11 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, dvb_dmx_swfilter_section_new(feed); dvb_dmx_swfilter_section_copy_dump(feed, after, after_len); + } else if (count > 0) { + set_buf_flags(feed, + DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED); + dprintk_sect_loss("PUSI=1 but %d bytes lost\n", count); } -#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG - else if (count > 0) - dprintk("PUSI=1 but %d bytes lost\n", count); -#endif } else { /* PUSI=0 (is not set), no section boundary */ dvb_dmx_swfilter_section_copy_dump(feed, &buf[p], count); @@ -369,7 +386,8 @@ static inline void dvb_dmx_swfilter_packet_type(struct dvb_demux_feed *feed, if (feed->ts_type & TS_PAYLOAD_ONLY) dvb_dmx_swfilter_payload(feed, buf); else - feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts); + feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts, + &feed->buffer_flags); } /* Used only on full-featured devices */ if (feed->ts_type & TS_DECODER) @@ -430,6 +448,11 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) } if (buf[1] & 0x80) { + list_for_each_entry(feed, &demux->feed_list, list_head) { + if ((feed->pid != pid) && (feed->pid != 0x2000)) + continue; + set_buf_flags(feed, DMX_BUFFER_FLAG_TEI); + } dprintk_tscheck("TEI detected. PID=0x%x data1=0x%x\n", pid, buf[1]); /* data in this packet can't be trusted - drop it unless @@ -445,6 +468,13 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) (demux->cnt_storage[pid] + 1) & 0xf; if ((buf[3] & 0xf) != demux->cnt_storage[pid]) { + list_for_each_entry(feed, &demux->feed_list, list_head) { + if ((feed->pid != pid) && (feed->pid != 0x2000)) + continue; + set_buf_flags(feed, + DMX_BUFFER_PKT_COUNTER_MISMATCH); + } + dprintk_tscheck("TS packet counter mismatch. PID=0x%x expected 0x%x got 0x%x\n", pid, demux->cnt_storage[pid], buf[3] & 0xf); @@ -466,7 +496,8 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) if (feed->pid == pid) dvb_dmx_swfilter_packet_type(feed, buf); else if (feed->pid == 0x2000) - feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts); + feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts, + &feed->buffer_flags); } } @@ -585,7 +616,8 @@ void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf, size_t count) spin_lock_irqsave(&demux->lock, flags); - demux->feed->cb.ts(buf, count, NULL, 0, &demux->feed->feed.ts); + demux->feed->cb.ts(buf, count, NULL, 0, &demux->feed->feed.ts, + &demux->feed->buffer_flags); spin_unlock_irqrestore(&demux->lock, flags); } @@ -785,6 +817,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx, feed->demux = demux; feed->pid = 0xffff; feed->peslen = 0xfffa; + feed->buffer_flags = 0; (*ts_feed) = &feed->feed.ts; (*ts_feed)->parent = dmx; @@ -1042,6 +1075,7 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux, dvbdmxfeed->cb.sec = callback; dvbdmxfeed->demux = dvbdmx; dvbdmxfeed->pid = 0xffff; + dvbdmxfeed->buffer_flags = 0; dvbdmxfeed->feed.sec.secbuf = dvbdmxfeed->feed.sec.secbuf_base; dvbdmxfeed->feed.sec.secbufp = dvbdmxfeed->feed.sec.seclen = 0; dvbdmxfeed->feed.sec.tsfeedp = 0; diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index b6c7eec..ba39f99 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -883,7 +883,8 @@ static void dvb_net_ule(struct net_device *dev, const u8 *buf, size_t buf_len) static int dvb_net_ts_callback(const u8 *buffer1, size_t buffer1_len, const u8 *buffer2, size_t buffer2_len, - struct dmx_ts_feed *feed) + struct dmx_ts_feed *feed, + u32 *buffer_flags) { struct net_device *dev = feed->priv; @@ -992,7 +993,7 @@ static void dvb_net_sec(struct net_device *dev, static int dvb_net_sec_callback(const u8 *buffer1, size_t buffer1_len, const u8 *buffer2, size_t buffer2_len, - struct dmx_section_filter *filter) + struct dmx_section_filter *filter, u32 *buffer_flags) { struct net_device *dev = filter->priv; diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c index 763145d..b811adf 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -256,7 +256,8 @@ int dvb_vb2_is_streaming(struct dvb_vb2_ctx *ctx) } int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx, - const unsigned char *src, int len) + const unsigned char *src, int len, + enum dmx_buffer_flags *buffer_flags) { unsigned long flags = 0; void *vbuf = NULL; @@ -264,15 +265,17 @@ int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx, unsigned char *psrc = (unsigned char *)src; int ll = 0; - dprintk(3, "[%s] %d bytes are rcvd\n", ctx->name, len); - if (!src) { - dprintk(3, "[%s]:NULL pointer src\n", ctx->name); - /**normal case: This func is called twice from demux driver - * once with valid src pointer, second time with NULL pointer - */ + /* + * normal case: This func is called twice from demux driver + * one with valid src pointer, second time with NULL pointer + */ + if (!src || !len) return 0; - } spin_lock_irqsave(&ctx->slock, flags); + if (buffer_flags && *buffer_flags) { + ctx->flags |= *buffer_flags; + *buffer_flags = 0; + } while (todo) { if (!ctx->buf) { if (list_empty(&ctx->dvb_q)) { @@ -395,6 +398,7 @@ int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) { + unsigned long flags; int ret; ret = vb2_core_dqbuf(&ctx->vb_q, &b->index, b, ctx->nonblocking); @@ -402,7 +406,16 @@ int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) dprintk(1, "[%s] errno=%d\n", ctx->name, ret); return ret; } - dprintk(5, "[%s] index=%d\n", ctx->name, b->index); + + spin_lock_irqsave(&ctx->slock, flags); + b->count = ctx->count++; + b->flags = ctx->flags; + ctx->flags = 0; + spin_unlock_irqrestore(&ctx->slock, flags); + + dprintk(5, "[%s] index=%d, count=%d, flags=%d\n", + ctx->name, b->index, ctx->count, b->flags); + return 0; } diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index 50bce68..65d157f 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1262,11 +1262,12 @@ static int m88ds3103_select(struct i2c_mux_core *muxc, u32 chan) * New users must use I2C client binding directly! */ struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *cfg, - struct i2c_adapter *i2c, struct i2c_adapter **tuner_i2c_adapter) + struct i2c_adapter *i2c, + struct i2c_adapter **tuner_i2c_adapter) { struct i2c_client *client; struct i2c_board_info board_info; - struct m88ds3103_platform_data pdata; + struct m88ds3103_platform_data pdata = {}; pdata.clk = cfg->clock; pdata.i2c_wr_max = cfg->i2c_wr_max; @@ -1409,6 +1410,8 @@ static int m88ds3103_probe(struct i2c_client *client, case M88DS3103_CHIP_ID: break; default: + ret = -ENODEV; + dev_err(&client->dev, "Unknown device. Chip_id=%02x\n", dev->chip_id); goto err_kfree; } diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 3c18519..2476d81 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -505,80 +505,77 @@ static struct i2c_vbi_ram_value vbi_ram_default[] = /* FIXME: Current api doesn't handle all VBI types, those not yet supported are placed under #if 0 */ #if 0 - {0x010, /* Teletext, SECAM, WST System A */ + [0] = {0x010, /* Teletext, SECAM, WST System A */ {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } }, #endif - {0x030, /* Teletext, PAL, WST System B */ + [1] = {0x030, /* Teletext, PAL, WST System B */ {V4L2_SLICED_TELETEXT_B,6,22,1}, { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } }, #if 0 - {0x050, /* Teletext, PAL, WST System C */ + [2] = {0x050, /* Teletext, PAL, WST System C */ {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, - {0x070, /* Teletext, NTSC, WST System B */ + [3] = {0x070, /* Teletext, NTSC, WST System B */ {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, - {0x090, /* Tetetext, NTSC NABTS System C */ + [4] = {0x090, /* Tetetext, NTSC NABTS System C */ {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } }, - {0x0b0, /* Teletext, NTSC-J, NABTS System D */ + [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */ {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, - {0x0d0, /* Closed Caption, PAL/SECAM */ + [6] = {0x0d0, /* Closed Caption, PAL/SECAM */ {V4L2_SLICED_CAPTION_625,22,22,1}, { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } }, #endif - {0x0f0, /* Closed Caption, NTSC */ + [7] = {0x0f0, /* Closed Caption, NTSC */ {V4L2_SLICED_CAPTION_525,21,21,1}, { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } }, - {0x110, /* Wide Screen Signal, PAL/SECAM */ + [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */ {V4L2_SLICED_WSS_625,23,23,1}, { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } }, #if 0 - {0x130, /* Wide Screen Signal, NTSC C */ + [9] = {0x130, /* Wide Screen Signal, NTSC C */ {V4L2_SLICED_WSS_525,20,20,1}, { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } }, - {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ + [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ {V4l2_SLICED_VITC_625,6,22,0}, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } }, - {0x170, /* Vertical Interval Timecode (VITC), NTSC */ + [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */ {V4l2_SLICED_VITC_525,10,20,0}, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } }, #endif - {0x190, /* Video Program System (VPS), PAL */ + [12] = {0x190, /* Video Program System (VPS), PAL */ {V4L2_SLICED_VPS,16,16,0}, { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } }, /* 0x1d0 User programmable */ - - /* End of struct */ - { (u16)-1 } }; static int tvp5150_write_inittab(struct v4l2_subdev *sd, @@ -591,10 +588,10 @@ static int tvp5150_write_inittab(struct v4l2_subdev *sd, return 0; } -static int tvp5150_vdp_init(struct v4l2_subdev *sd, - const struct i2c_vbi_ram_value *regs) +static int tvp5150_vdp_init(struct v4l2_subdev *sd) { unsigned int i; + int j; /* Disable Full Field */ tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); @@ -604,14 +601,17 @@ static int tvp5150_vdp_init(struct v4l2_subdev *sd, tvp5150_write(sd, i, 0xff); /* Load Ram Table */ - while (regs->reg != (u16)-1) { + for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) { + const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j]; + + if (!regs->type.vbi_type) + continue; + tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); for (i = 0; i < 16; i++) tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); - - regs++; } return 0; } @@ -620,19 +620,23 @@ static int tvp5150_vdp_init(struct v4l2_subdev *sd, static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap) { - const struct i2c_vbi_ram_value *regs = vbi_ram_default; - int line; + int line, i; dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); memset(cap, 0, sizeof *cap); - while (regs->reg != (u16)-1 ) { - for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { + for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { + const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; + + if (!regs->type.vbi_type) + continue; + + for (line = regs->type.ini_line; + line <= regs->type.end_line; + line++) { cap->service_lines[0][line] |= regs->type.vbi_type; } cap->service_set |= regs->type.vbi_type; - - regs++; } return 0; } @@ -651,14 +655,13 @@ static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, * MSB = field2 */ static int tvp5150_set_vbi(struct v4l2_subdev *sd, - const struct i2c_vbi_ram_value *regs, unsigned int type,u8 flags, int line, const int fields) { struct tvp5150 *decoder = to_tvp5150(sd); v4l2_std_id std = decoder->norm; u8 reg; - int pos = 0; + int i, pos = 0; if (std == V4L2_STD_ALL) { dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); @@ -671,19 +674,19 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd, if (line < 6 || line > 27) return 0; - while (regs->reg != (u16)-1) { + for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { + const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; + + if (!regs->type.vbi_type) + continue; + if ((type & regs->type.vbi_type) && (line >= regs->type.ini_line) && (line <= regs->type.end_line)) break; - - regs++; pos++; } - if (regs->reg == (u16)-1) - return 0; - type = pos | (flags & 0xf0); reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; @@ -696,8 +699,7 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd, return type; } -static int tvp5150_get_vbi(struct v4l2_subdev *sd, - const struct i2c_vbi_ram_value *regs, int line) +static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line) { struct tvp5150 *decoder = to_tvp5150(sd); v4l2_std_id std = decoder->norm; @@ -726,8 +728,8 @@ static int tvp5150_get_vbi(struct v4l2_subdev *sd, return 0; } pos = ret & 0x0f; - if (pos < 0x0f) - type |= regs[pos].type.vbi_type; + if (pos < ARRAY_SIZE(vbi_ram_default)) + type |= vbi_ram_default[pos].type.vbi_type; } return type; @@ -788,7 +790,7 @@ static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) tvp5150_write_inittab(sd, tvp5150_init_default); /* Initializes VDP registers */ - tvp5150_vdp_init(sd, vbi_ram_default); + tvp5150_vdp_init(sd); /* Selects decoder input */ tvp5150_selmux(sd); @@ -1121,8 +1123,8 @@ static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_f for (i = 0; i <= 23; i++) { svbi->service_lines[1][i] = 0; svbi->service_lines[0][i] = - tvp5150_set_vbi(sd, vbi_ram_default, - svbi->service_lines[0][i], 0xf0, i, 3); + tvp5150_set_vbi(sd, svbi->service_lines[0][i], + 0xf0, i, 3); } /* Enables FIFO */ tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); @@ -1148,7 +1150,7 @@ static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_f for (i = 0; i <= 23; i++) { svbi->service_lines[0][i] = - tvp5150_get_vbi(sd, vbi_ram_default, i); + tvp5150_get_vbi(sd, i); mask |= svbi->service_lines[0][i]; } svbi->service_set = mask; diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c index dc8e577..d6816ef 100644 --- a/drivers/media/pci/ttpci/av7110.c +++ b/drivers/media/pci/ttpci/av7110.c @@ -324,14 +324,15 @@ static int DvbDmxFilterCallback(u8 *buffer1, size_t buffer1_len, } return dvbdmxfilter->feed->cb.sec(buffer1, buffer1_len, buffer2, buffer2_len, - &dvbdmxfilter->filter); + &dvbdmxfilter->filter, NULL); case DMX_TYPE_TS: if (!(dvbdmxfilter->feed->ts_type & TS_PACKET)) return 0; if (dvbdmxfilter->feed->ts_type & TS_PAYLOAD_ONLY) return dvbdmxfilter->feed->cb.ts(buffer1, buffer1_len, buffer2, buffer2_len, - &dvbdmxfilter->feed->feed.ts); + &dvbdmxfilter->feed->feed.ts, + NULL); else av7110_p2t_write(buffer1, buffer1_len, dvbdmxfilter->feed->pid, diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c index 4daba76..ef1bc17 100644 --- a/drivers/media/pci/ttpci/av7110_av.c +++ b/drivers/media/pci/ttpci/av7110_av.c @@ -99,7 +99,7 @@ int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len) buf[4] = buf[5] = 0; if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) return dvbdmxfeed->cb.ts(buf, len, NULL, 0, - &dvbdmxfeed->feed.ts); + &dvbdmxfeed->feed.ts, NULL); else return dvb_filter_pes2ts(p2t, buf, len, 1); } @@ -109,7 +109,7 @@ static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data) struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv; dvbdmxfeed->cb.ts(data, 188, NULL, 0, - &dvbdmxfeed->feed.ts); + &dvbdmxfeed->feed.ts, NULL); return 0; } @@ -814,7 +814,7 @@ static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter, memcpy(obuf + l, buf + c, TS_SIZE - l); c = length; } - feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts); + feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, NULL); pes_start = 0; } } diff --git a/drivers/media/platform/tegra-cec/tegra_cec.c b/drivers/media/platform/tegra-cec/tegra_cec.c index 92f93a8..aba488c 100644 --- a/drivers/media/platform/tegra-cec/tegra_cec.c +++ b/drivers/media/platform/tegra-cec/tegra_cec.c @@ -172,16 +172,13 @@ static irqreturn_t tegra_cec_irq_handler(int irq, void *data) } } - if (status & (TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN | - TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED | - TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED | - TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED)) { + if (status & TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED) { cec_write(cec, TEGRA_CEC_INT_STAT, - (TEGRA_CEC_INT_STAT_RX_REGISTER_OVERRUN | - TEGRA_CEC_INT_STAT_RX_BUS_ANOMALY_DETECTED | - TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED | - TEGRA_CEC_INT_STAT_RX_BUS_ERROR_DETECTED)); - } else if (status & TEGRA_CEC_INT_STAT_RX_REGISTER_FULL) { + TEGRA_CEC_INT_STAT_RX_START_BIT_DETECTED); + cec->rx_done = false; + cec->rx_buf_cnt = 0; + } + if (status & TEGRA_CEC_INT_STAT_RX_REGISTER_FULL) { u32 v; cec_write(cec, TEGRA_CEC_INT_STAT, @@ -255,7 +252,7 @@ static int tegra_cec_adap_enable(struct cec_adapter *adap, bool enable) TEGRA_CEC_INT_MASK_TX_BUS_ANOMALY_DETECTED | TEGRA_CEC_INT_MASK_TX_FRAME_TRANSMITTED | TEGRA_CEC_INT_MASK_RX_REGISTER_FULL | - TEGRA_CEC_INT_MASK_RX_REGISTER_OVERRUN); + TEGRA_CEC_INT_MASK_RX_START_BIT_DETECTED); cec_write(cec, TEGRA_CEC_HW_CONTROL, TEGRA_CEC_HWCTRL_TX_RX_MODE); return 0; diff --git a/drivers/media/usb/au0828/Kconfig b/drivers/media/usb/au0828/Kconfig index 70521e0..bfaa806 100644 --- a/drivers/media/usb/au0828/Kconfig +++ b/drivers/media/usb/au0828/Kconfig @@ -1,7 +1,7 @@ config VIDEO_AU0828 tristate "Auvitek AU0828 support" - depends on I2C && INPUT && DVB_CORE && USB + depends on I2C && INPUT && DVB_CORE && USB && VIDEO_V4L2 select I2C_ALGOBIT select VIDEO_TVEEPROM select VIDEOBUF2_VMALLOC diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index a8900f5..44ca66c 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -428,7 +428,7 @@ static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data) struct ttusb_dec *dec = priv; dec->audio_filter->feed->cb.ts(data, 188, NULL, 0, - &dec->audio_filter->feed->feed.ts); + &dec->audio_filter->feed->feed.ts, NULL); return 0; } @@ -438,7 +438,7 @@ static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data) struct ttusb_dec *dec = priv; dec->video_filter->feed->cb.ts(data, 188, NULL, 0, - &dec->video_filter->feed->feed.ts); + &dec->video_filter->feed->feed.ts, NULL); return 0; } @@ -490,7 +490,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) if (output_pva) { dec->video_filter->feed->cb.ts(pva, length, NULL, 0, - &dec->video_filter->feed->feed.ts); + &dec->video_filter->feed->feed.ts, NULL); return; } @@ -551,7 +551,7 @@ static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length) case 0x02: /* MainAudioStream */ if (output_pva) { dec->audio_filter->feed->cb.ts(pva, length, NULL, 0, - &dec->audio_filter->feed->feed.ts); + &dec->audio_filter->feed->feed.ts, NULL); return; } @@ -589,7 +589,7 @@ static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet, if (filter) filter->feed->cb.sec(&packet[2], length - 2, NULL, 0, - &filter->filter); + &filter->filter, NULL); } static void ttusb_dec_process_packet(struct ttusb_dec *dec) diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig index bf52fbd..8e37e7c 100644 --- a/drivers/media/v4l2-core/Kconfig +++ b/drivers/media/v4l2-core/Kconfig @@ -7,6 +7,7 @@ config VIDEO_V4L2 tristate depends on (I2C || I2C=n) && VIDEO_DEV select RATIONAL + select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE default (I2C || I2C=n) && VIDEO_DEV config VIDEO_ADV_DEBUG diff --git a/drivers/media/v4l2-core/Makefile b/drivers/media/v4l2-core/Makefile index 80de2cb..7df5458 100644 --- a/drivers/media/v4l2-core/Makefile +++ b/drivers/media/v4l2-core/Makefile @@ -13,7 +13,7 @@ ifeq ($(CONFIG_COMPAT),y) endif obj-$(CONFIG_V4L2_FWNODE) += v4l2-fwnode.o ifeq ($(CONFIG_TRACEPOINTS),y) - videodev-objs += vb2-trace.o v4l2-trace.o + videodev-objs += v4l2-trace.o endif videodev-$(CONFIG_MEDIA_CONTROLLER) += v4l2-mc.o @@ -35,4 +35,3 @@ obj-$(CONFIG_VIDEOBUF_DVB) += videobuf-dvb.o ccflags-y += -I$(srctree)/drivers/media/dvb-frontends ccflags-y += -I$(srctree)/drivers/media/tuners - diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c index 0a7bdbe..e9c1485 100644 --- a/drivers/memory/brcmstb_dpfe.c +++ b/drivers/memory/brcmstb_dpfe.c @@ -45,8 +45,16 @@ #define REG_TO_DCPU_MBOX 0x10 #define REG_TO_HOST_MBOX 0x14 +/* Macros to process offsets returned by the DCPU */ +#define DRAM_MSG_ADDR_OFFSET 0x0 +#define DRAM_MSG_TYPE_OFFSET 0x1c +#define DRAM_MSG_ADDR_MASK ((1UL << DRAM_MSG_TYPE_OFFSET) - 1) +#define DRAM_MSG_TYPE_MASK ((1UL << \ + (BITS_PER_LONG - DRAM_MSG_TYPE_OFFSET)) - 1) + /* Message RAM */ -#define DCPU_MSG_RAM(x) (0x100 + (x) * sizeof(u32)) +#define DCPU_MSG_RAM_START 0x100 +#define DCPU_MSG_RAM(x) (DCPU_MSG_RAM_START + (x) * sizeof(u32)) /* DRAM Info Offsets & Masks */ #define DRAM_INFO_INTERVAL 0x0 @@ -255,6 +263,40 @@ static unsigned int get_msg_chksum(const u32 msg[]) return sum; } +static void __iomem *get_msg_ptr(struct private_data *priv, u32 response, + char *buf, ssize_t *size) +{ + unsigned int msg_type; + unsigned int offset; + void __iomem *ptr = NULL; + + msg_type = (response >> DRAM_MSG_TYPE_OFFSET) & DRAM_MSG_TYPE_MASK; + offset = (response >> DRAM_MSG_ADDR_OFFSET) & DRAM_MSG_ADDR_MASK; + + /* + * msg_type == 1: the offset is relative to the message RAM + * msg_type == 0: the offset is relative to the data RAM (this is the + * previous way of passing data) + * msg_type is anything else: there's critical hardware problem + */ + switch (msg_type) { + case 1: + ptr = priv->regs + DCPU_MSG_RAM_START + offset; + break; + case 0: + ptr = priv->dmem + offset; + break; + default: + dev_emerg(priv->dev, "invalid message reply from DCPU: %#x\n", + response); + if (buf && size) + *size = sprintf(buf, + "FATAL: communication error with DCPU\n"); + } + + return ptr; +} + static int __send_command(struct private_data *priv, unsigned int cmd, u32 result[]) { @@ -507,7 +549,7 @@ static ssize_t show_info(struct device *dev, struct device_attribute *devattr, { u32 response[MSG_FIELD_MAX]; unsigned int info; - int ret; + ssize_t ret; ret = generic_show(DPFE_CMD_GET_INFO, response, dev, buf); if (ret) @@ -528,18 +570,19 @@ static ssize_t show_refresh(struct device *dev, u32 response[MSG_FIELD_MAX]; void __iomem *info; struct private_data *priv; - unsigned int offset; u8 refresh, sr_abort, ppre, thermal_offs, tuf; u32 mr4; - int ret; + ssize_t ret; ret = generic_show(DPFE_CMD_GET_REFRESH, response, dev, buf); if (ret) return ret; priv = dev_get_drvdata(dev); - offset = response[MSG_ARG0]; - info = priv->dmem + offset; + + info = get_msg_ptr(priv, response[MSG_ARG0], buf, &ret); + if (!info) + return ret; mr4 = readl_relaxed(info + DRAM_INFO_MR4) & DRAM_INFO_MR4_MASK; @@ -561,7 +604,6 @@ static ssize_t store_refresh(struct device *dev, struct device_attribute *attr, u32 response[MSG_FIELD_MAX]; struct private_data *priv; void __iomem *info; - unsigned int offset; unsigned long val; int ret; @@ -574,8 +616,10 @@ static ssize_t store_refresh(struct device *dev, struct device_attribute *attr, if (ret) return ret; - offset = response[MSG_ARG0]; - info = priv->dmem + offset; + info = get_msg_ptr(priv, response[MSG_ARG0], NULL, NULL); + if (!info) + return -EIO; + writel_relaxed(val, info + DRAM_INFO_INTERVAL); return count; @@ -587,23 +631,25 @@ static ssize_t show_vendor(struct device *dev, struct device_attribute *devattr, u32 response[MSG_FIELD_MAX]; struct private_data *priv; void __iomem *info; - unsigned int offset; - int ret; + ssize_t ret; ret = generic_show(DPFE_CMD_GET_VENDOR, response, dev, buf); if (ret) return ret; - offset = response[MSG_ARG0]; priv = dev_get_drvdata(dev); - info = priv->dmem + offset; + + info = get_msg_ptr(priv, response[MSG_ARG0], buf, &ret); + if (!info) + return ret; return sprintf(buf, "%#x %#x %#x %#x %#x\n", readl_relaxed(info + DRAM_VENDOR_MR5) & DRAM_VENDOR_MASK, readl_relaxed(info + DRAM_VENDOR_MR6) & DRAM_VENDOR_MASK, readl_relaxed(info + DRAM_VENDOR_MR7) & DRAM_VENDOR_MASK, readl_relaxed(info + DRAM_VENDOR_MR8) & DRAM_VENDOR_MASK, - readl_relaxed(info + DRAM_VENDOR_ERROR)); + readl_relaxed(info + DRAM_VENDOR_ERROR) & + DRAM_VENDOR_MASK); } static int brcmstb_dpfe_resume(struct platform_device *pdev) diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index 8d12017..4470630 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -2687,6 +2687,8 @@ mptctl_hp_targetinfo(unsigned long arg) __FILE__, __LINE__, iocnum); return -ENODEV; } + if (karg.hdr.id >= MPT_MAX_FC_DEVICES) + return -EINVAL; dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", ioc->name)); diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 3e5eabd..772d029 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -548,12 +548,6 @@ int mei_cldev_disable(struct mei_cl_device *cldev) goto out; } - if (bus->dev_state == MEI_DEV_POWER_DOWN) { - dev_dbg(bus->dev, "Device is powering down, don't bother with disconnection\n"); - err = 0; - goto out; - } - err = mei_cl_disconnect(cl); if (err < 0) dev_err(bus->dev, "Could not disconnect from the ME client\n"); diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index be64969..7e60c18 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -945,6 +945,12 @@ int mei_cl_disconnect(struct mei_cl *cl) return 0; } + if (dev->dev_state == MEI_DEV_POWER_DOWN) { + cl_dbg(dev, cl, "Device is powering down, don't bother with disconnection\n"); + mei_cl_set_disconnected(cl); + return 0; + } + rets = pm_runtime_get(dev->dev); if (rets < 0 && rets != -EINPROGRESS) { pm_runtime_put_noidle(dev->dev); diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 0ccccba..e4b10b2 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -132,6 +132,11 @@ #define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */ #define MEI_DEV_ID_KBP_2 0xA2BB /* Kaby Point 2 */ +#define MEI_DEV_ID_CNP_LP 0x9DE0 /* Cannon Point LP */ +#define MEI_DEV_ID_CNP_LP_4 0x9DE4 /* Cannon Point LP 4 (iTouch) */ +#define MEI_DEV_ID_CNP_H 0xA360 /* Cannon Point H */ +#define MEI_DEV_ID_CNP_H_4 0xA364 /* Cannon Point H 4 (iTouch) */ + /* * MEI HW Section */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 4a0ccda..ea4e152 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -98,6 +98,11 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_LP, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_LP_4, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H_4, MEI_ME_PCH8_CFG)}, + /* required last entry */ {0, } }; diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index d9aa407..038509e 100644 --- a/drivers/misc/ocxl/file.c +++ b/drivers/misc/ocxl/file.c @@ -102,10 +102,32 @@ static long afu_ioctl_attach(struct ocxl_context *ctx, return rc; } +static long afu_ioctl_get_metadata(struct ocxl_context *ctx, + struct ocxl_ioctl_metadata __user *uarg) +{ + struct ocxl_ioctl_metadata arg; + + memset(&arg, 0, sizeof(arg)); + + arg.version = 0; + + arg.afu_version_major = ctx->afu->config.version_major; + arg.afu_version_minor = ctx->afu->config.version_minor; + arg.pasid = ctx->pasid; + arg.pp_mmio_size = ctx->afu->config.pp_mmio_stride; + arg.global_mmio_size = ctx->afu->config.global_mmio_size; + + if (copy_to_user(uarg, &arg, sizeof(arg))) + return -EFAULT; + + return 0; +} + #define CMD_STR(x) (x == OCXL_IOCTL_ATTACH ? "ATTACH" : \ x == OCXL_IOCTL_IRQ_ALLOC ? "IRQ_ALLOC" : \ x == OCXL_IOCTL_IRQ_FREE ? "IRQ_FREE" : \ x == OCXL_IOCTL_IRQ_SET_FD ? "IRQ_SET_FD" : \ + x == OCXL_IOCTL_GET_METADATA ? "GET_METADATA" : \ "UNKNOWN") static long afu_ioctl(struct file *file, unsigned int cmd, @@ -133,8 +155,10 @@ static long afu_ioctl(struct file *file, unsigned int cmd, if (!rc) { rc = copy_to_user((u64 __user *) args, &irq_offset, sizeof(irq_offset)); - if (rc) + if (rc) { ocxl_afu_irq_free(ctx, irq_offset); + return -EFAULT; + } } break; @@ -157,6 +181,11 @@ static long afu_ioctl(struct file *file, unsigned int cmd, irq_fd.eventfd); break; + case OCXL_IOCTL_GET_METADATA: + rc = afu_ioctl_get_metadata(ctx, + (struct ocxl_ioctl_metadata __user *) args); + break; + default: rc = -EINVAL; } @@ -277,7 +306,7 @@ static ssize_t afu_read(struct file *file, char __user *buf, size_t count, struct ocxl_context *ctx = file->private_data; struct ocxl_kernel_event_header header; ssize_t rc; - size_t used = 0; + ssize_t used = 0; DEFINE_WAIT(event_wait); memset(&header, 0, sizeof(header)); @@ -329,7 +358,7 @@ static ssize_t afu_read(struct file *file, char __user *buf, size_t count, used += sizeof(header); - rc = (ssize_t) used; + rc = used; return rc; } diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 20135a5..2cfb963 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -72,6 +72,7 @@ MODULE_ALIAS("mmc:block"); #define MMC_BLK_TIMEOUT_MS (10 * 1000) #define MMC_SANITIZE_REQ_TIMEOUT 240000 #define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16) +#define MMC_EXTRACT_VALUE_FROM_ARG(x) ((x & 0x0000FF00) >> 8) #define mmc_req_rel_wr(req) ((req->cmd_flags & REQ_FUA) && \ (rq_data_dir(req) == WRITE)) @@ -587,6 +588,24 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, } /* + * Make sure the cache of the PARTITION_CONFIG register and + * PARTITION_ACCESS bits is updated in case the ioctl ext_csd write + * changed it successfully. + */ + if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_PART_CONFIG) && + (cmd.opcode == MMC_SWITCH)) { + struct mmc_blk_data *main_md = dev_get_drvdata(&card->dev); + u8 value = MMC_EXTRACT_VALUE_FROM_ARG(cmd.arg); + + /* + * Update cache so the next mmc_blk_part_switch call operates + * on up-to-date data. + */ + card->ext_csd.part_config = value; + main_md->part_curr = value & EXT_CSD_PART_CONFIG_ACC_MASK; + } + + /* * According to the SD specs, some commands require a delay after * issuing the command. */ diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h index 79a5b98..9c821ee 100644 --- a/drivers/mmc/core/card.h +++ b/drivers/mmc/core/card.h @@ -82,6 +82,7 @@ struct mmc_fixup { #define CID_MANFID_APACER 0x27 #define CID_MANFID_KINGSTON 0x70 #define CID_MANFID_HYNIX 0x90 +#define CID_MANFID_NUMONYX 0xFE #define END_FIXUP { NULL } diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 908e4db..42d6aa8 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -848,7 +848,6 @@ int mmc_interrupt_hpi(struct mmc_card *card) return 1; } - mmc_claim_host(card->host); err = mmc_send_status(card, &status); if (err) { pr_err("%s: Get card status fail\n", mmc_hostname(card->host)); @@ -890,7 +889,6 @@ int mmc_interrupt_hpi(struct mmc_card *card) } while (!err); out: - mmc_release_host(card->host); return err; } @@ -932,9 +930,7 @@ static int mmc_read_bkops_status(struct mmc_card *card) int err; u8 *ext_csd; - mmc_claim_host(card->host); err = mmc_get_ext_csd(card, &ext_csd); - mmc_release_host(card->host); if (err) return err; diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h index 75d3176..5153577 100644 --- a/drivers/mmc/core/quirks.h +++ b/drivers/mmc/core/quirks.h @@ -109,6 +109,12 @@ static const struct mmc_fixup mmc_ext_csd_fixups[] = { */ MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_HYNIX, 0x014a, add_quirk, MMC_QUIRK_BROKEN_HPI, 5), + /* + * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI + * feature is used so disable the HPI feature for such buggy cards. + */ + MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY, CID_MANFID_NUMONYX, + 0x014e, add_quirk, MMC_QUIRK_BROKEN_HPI, 6), END_FIXUP }; diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c index 229dc18..768972a 100644 --- a/drivers/mmc/host/bcm2835.c +++ b/drivers/mmc/host/bcm2835.c @@ -1265,7 +1265,8 @@ static int bcm2835_add_host(struct bcm2835_host *host) char pio_limit_string[20]; int ret; - mmc->f_max = host->max_clk; + if (!mmc->f_max || mmc->f_max > host->max_clk) + mmc->f_max = host->max_clk; mmc->f_min = host->max_clk / SDCDIV_MAX_CDIV; mmc->max_busy_timeout = ~0 / (mmc->f_max / 1000); diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 3502679..a84aa3f 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -165,9 +165,15 @@ static void dw_mci_exynos_set_clksel_timing(struct dw_mci *host, u32 timing) static int dw_mci_exynos_runtime_resume(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); + int ret; + + ret = dw_mci_runtime_resume(dev); + if (ret) + return ret; dw_mci_exynos_config_smu(host); - return dw_mci_runtime_resume(dev); + + return ret; } /** @@ -487,6 +493,7 @@ static unsigned long exynos_dwmmc_caps[4] = { static const struct dw_mci_drv_data exynos_drv_data = { .caps = exynos_dwmmc_caps, + .num_caps = ARRAY_SIZE(exynos_dwmmc_caps), .init = dw_mci_exynos_priv_init, .set_ios = dw_mci_exynos_set_ios, .parse_dt = dw_mci_exynos_parse_dt, diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 73fd75c..89cdb3d 100644 --- a/drivers/mmc/host/dw_mmc-k3.c +++ b/drivers/mmc/host/dw_mmc-k3.c @@ -135,6 +135,9 @@ static int dw_mci_hi6220_parse_dt(struct dw_mci *host) if (priv->ctrl_id < 0) priv->ctrl_id = 0; + if (priv->ctrl_id >= TIMING_MODE) + return -EINVAL; + host->priv = priv; return 0; } @@ -207,6 +210,7 @@ static int dw_mci_hi6220_execute_tuning(struct dw_mci_slot *slot, u32 opcode) static const struct dw_mci_drv_data hi6220_data = { .caps = dw_mci_hi6220_caps, + .num_caps = ARRAY_SIZE(dw_mci_hi6220_caps), .switch_voltage = dw_mci_hi6220_switch_voltage, .set_ios = dw_mci_hi6220_set_ios, .parse_dt = dw_mci_hi6220_parse_dt, diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index a3f1c2b..3392952 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -319,6 +319,7 @@ static const struct dw_mci_drv_data rk2928_drv_data = { static const struct dw_mci_drv_data rk3288_drv_data = { .caps = dw_mci_rk3288_dwmmc_caps, + .num_caps = ARRAY_SIZE(dw_mci_rk3288_dwmmc_caps), .set_ios = dw_mci_rk3288_set_ios, .execute_tuning = dw_mci_rk3288_execute_tuning, .parse_dt = dw_mci_rk3288_parse_dt, diff --git a/drivers/mmc/host/dw_mmc-zx.c b/drivers/mmc/host/dw_mmc-zx.c index d38e94a..c06b539 100644 --- a/drivers/mmc/host/dw_mmc-zx.c +++ b/drivers/mmc/host/dw_mmc-zx.c @@ -195,6 +195,7 @@ static unsigned long zx_dwmmc_caps[3] = { static const struct dw_mci_drv_data zx_drv_data = { .caps = zx_dwmmc_caps, + .num_caps = ARRAY_SIZE(zx_dwmmc_caps), .execute_tuning = dw_mci_zx_execute_tuning, .prepare_hs400_tuning = dw_mci_zx_prepare_hs400_tuning, .parse_dt = dw_mci_zx_parse_dt, diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 0aa3997..06d4741 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -165,6 +165,8 @@ static int dw_mci_regs_show(struct seq_file *s, void *v) { struct dw_mci *host = s->private; + pm_runtime_get_sync(host->dev); + seq_printf(s, "STATUS:\t0x%08x\n", mci_readl(host, STATUS)); seq_printf(s, "RINTSTS:\t0x%08x\n", mci_readl(host, RINTSTS)); seq_printf(s, "CMD:\t0x%08x\n", mci_readl(host, CMD)); @@ -172,6 +174,8 @@ static int dw_mci_regs_show(struct seq_file *s, void *v) seq_printf(s, "INTMASK:\t0x%08x\n", mci_readl(host, INTMASK)); seq_printf(s, "CLKENA:\t0x%08x\n", mci_readl(host, CLKENA)); + pm_runtime_put_autosuspend(host->dev); + return 0; } @@ -409,7 +413,9 @@ static inline void dw_mci_set_cto(struct dw_mci *host) cto_div = (mci_readl(host, CLKDIV) & 0xff) * 2; if (cto_div == 0) cto_div = 1; - cto_ms = DIV_ROUND_UP(MSEC_PER_SEC * cto_clks * cto_div, host->bus_hz); + + cto_ms = DIV_ROUND_UP_ULL((u64)MSEC_PER_SEC * cto_clks * cto_div, + host->bus_hz); /* add a bit spare time */ cto_ms += 10; @@ -558,6 +564,7 @@ static int dw_mci_idmac_init(struct dw_mci *host) (sizeof(struct idmac_desc_64addr) * (i + 1))) >> 32; /* Initialize reserved and buffer size fields to "0" */ + p->des0 = 0; p->des1 = 0; p->des2 = 0; p->des3 = 0; @@ -580,6 +587,7 @@ static int dw_mci_idmac_init(struct dw_mci *host) i++, p++) { p->des3 = cpu_to_le32(host->sg_dma + (sizeof(struct idmac_desc) * (i + 1))); + p->des0 = 0; p->des1 = 0; } @@ -1795,8 +1803,8 @@ static bool dw_mci_reset(struct dw_mci *host) } if (host->use_dma == TRANS_MODE_IDMAC) - /* It is also recommended that we reset and reprogram idmac */ - dw_mci_idmac_reset(host); + /* It is also required that we reinit idmac */ + dw_mci_idmac_init(host); ret = true; @@ -1944,8 +1952,9 @@ static void dw_mci_set_drto(struct dw_mci *host) drto_div = (mci_readl(host, CLKDIV) & 0xff) * 2; if (drto_div == 0) drto_div = 1; - drto_ms = DIV_ROUND_UP(MSEC_PER_SEC * drto_clks * drto_div, - host->bus_hz); + + drto_ms = DIV_ROUND_UP_ULL((u64)MSEC_PER_SEC * drto_clks * drto_div, + host->bus_hz); /* add a bit spare time */ drto_ms += 10; @@ -2778,12 +2787,57 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static int dw_mci_init_slot_caps(struct dw_mci_slot *slot) +{ + struct dw_mci *host = slot->host; + const struct dw_mci_drv_data *drv_data = host->drv_data; + struct mmc_host *mmc = slot->mmc; + int ctrl_id; + + if (host->pdata->caps) + mmc->caps = host->pdata->caps; + + /* + * Support MMC_CAP_ERASE by default. + * It needs to use trim/discard/erase commands. + */ + mmc->caps |= MMC_CAP_ERASE; + + if (host->pdata->pm_caps) + mmc->pm_caps = host->pdata->pm_caps; + + if (host->dev->of_node) { + ctrl_id = of_alias_get_id(host->dev->of_node, "mshc"); + if (ctrl_id < 0) + ctrl_id = 0; + } else { + ctrl_id = to_platform_device(host->dev)->id; + } + + if (drv_data && drv_data->caps) { + if (ctrl_id >= drv_data->num_caps) { + dev_err(host->dev, "invalid controller id %d\n", + ctrl_id); + return -EINVAL; + } + mmc->caps |= drv_data->caps[ctrl_id]; + } + + if (host->pdata->caps2) + mmc->caps2 = host->pdata->caps2; + + /* Process SDIO IRQs through the sdio_irq_work. */ + if (mmc->caps & MMC_CAP_SDIO_IRQ) + mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD; + + return 0; +} + static int dw_mci_init_slot(struct dw_mci *host) { struct mmc_host *mmc; struct dw_mci_slot *slot; - const struct dw_mci_drv_data *drv_data = host->drv_data; - int ctrl_id, ret; + int ret; u32 freq[2]; mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev); @@ -2817,38 +2871,13 @@ static int dw_mci_init_slot(struct dw_mci *host) if (!mmc->ocr_avail) mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; - if (host->pdata->caps) - mmc->caps = host->pdata->caps; - - /* - * Support MMC_CAP_ERASE by default. - * It needs to use trim/discard/erase commands. - */ - mmc->caps |= MMC_CAP_ERASE; - - if (host->pdata->pm_caps) - mmc->pm_caps = host->pdata->pm_caps; - - if (host->dev->of_node) { - ctrl_id = of_alias_get_id(host->dev->of_node, "mshc"); - if (ctrl_id < 0) - ctrl_id = 0; - } else { - ctrl_id = to_platform_device(host->dev)->id; - } - if (drv_data && drv_data->caps) - mmc->caps |= drv_data->caps[ctrl_id]; - - if (host->pdata->caps2) - mmc->caps2 = host->pdata->caps2; - ret = mmc_of_parse(mmc); if (ret) goto err_host_allocated; - /* Process SDIO IRQs through the sdio_irq_work. */ - if (mmc->caps & MMC_CAP_SDIO_IRQ) - mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD; + ret = dw_mci_init_slot_caps(slot); + if (ret) + goto err_host_allocated; /* Useful defaults if platform data is unset. */ if (host->use_dma == TRANS_MODE_IDMAC) { diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index e3124f0..1424bd4 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -543,6 +543,7 @@ struct dw_mci_slot { /** * dw_mci driver data - dw-mshc implementation specific driver data. * @caps: mmc subsystem specified capabilities of the controller(s). + * @num_caps: number of capabilities specified by @caps. * @init: early implementation specific initialization. * @set_ios: handle bus specific extensions. * @parse_dt: parse implementation specific device tree properties. @@ -554,6 +555,7 @@ struct dw_mci_slot { */ struct dw_mci_drv_data { unsigned long *caps; + u32 num_caps; int (*init)(struct dw_mci *host); void (*set_ios)(struct dw_mci *host, struct mmc_ios *ios); int (*parse_dt)(struct dw_mci *host); diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 22438ebf..4f972b8 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -717,22 +717,6 @@ static int meson_mmc_clk_phase_tuning(struct mmc_host *mmc, u32 opcode, static int meson_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct meson_host *host = mmc_priv(mmc); - int ret; - - /* - * If this is the initial tuning, try to get a sane Rx starting - * phase before doing the actual tuning. - */ - if (!mmc->doing_retune) { - ret = meson_mmc_clk_phase_tuning(mmc, opcode, host->rx_clk); - - if (ret) - return ret; - } - - ret = meson_mmc_clk_phase_tuning(mmc, opcode, host->tx_clk); - if (ret) - return ret; return meson_mmc_clk_phase_tuning(mmc, opcode, host->rx_clk); } @@ -763,9 +747,8 @@ static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); - /* Reset phases */ + /* Reset rx phase */ clk_set_phase(host->rx_clk, 0); - clk_set_phase(host->tx_clk, 270); break; diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 4065da5..32321bd 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -680,7 +680,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) host->hw_name = "ACPI"; host->ops = &sdhci_acpi_ops_dflt; host->irq = platform_get_irq(pdev, 0); - if (host->irq <= 0) { + if (host->irq < 0) { err = -EINVAL; goto err_free; } diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 6d1a983..82c4f05 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -654,9 +654,36 @@ static void byt_read_dsm(struct sdhci_pci_slot *slot) slot->chip->rpm_retune = intel_host->d3_retune; } -static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) +static int intel_execute_tuning(struct mmc_host *mmc, u32 opcode) +{ + int err = sdhci_execute_tuning(mmc, opcode); + struct sdhci_host *host = mmc_priv(mmc); + + if (err) + return err; + + /* + * Tuning can leave the IP in an active state (Buffer Read Enable bit + * set) which prevents the entry to low power states (i.e. S0i3). Data + * reset will clear it. + */ + sdhci_reset(host, SDHCI_RESET_DATA); + + return 0; +} + +static void byt_probe_slot(struct sdhci_pci_slot *slot) { + struct mmc_host_ops *ops = &slot->host->mmc_host_ops; + byt_read_dsm(slot); + + ops->execute_tuning = intel_execute_tuning; +} + +static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) +{ + byt_probe_slot(slot); slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR | MMC_CAP_CMD_DURING_TFR | @@ -779,7 +806,7 @@ static int ni_byt_sdio_probe_slot(struct sdhci_pci_slot *slot) { int err; - byt_read_dsm(slot); + byt_probe_slot(slot); err = ni_set_max_freq(slot); if (err) @@ -792,7 +819,7 @@ static int ni_byt_sdio_probe_slot(struct sdhci_pci_slot *slot) static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) { - byt_read_dsm(slot); + byt_probe_slot(slot); slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE | MMC_CAP_WAIT_WHILE_BUSY; return 0; @@ -800,7 +827,7 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) { - byt_read_dsm(slot); + byt_probe_slot(slot); slot->host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_AGGRESSIVE_PM | MMC_CAP_CD_WAKE; slot->cd_idx = 0; diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index de8c902..7d80a8b 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -479,7 +479,7 @@ static int shrink_ecclayout(struct mtd_info *mtd, for (i = 0; i < MTD_MAX_ECCPOS_ENTRIES;) { u32 eccpos; - ret = mtd_ooblayout_ecc(mtd, section, &oobregion); + ret = mtd_ooblayout_ecc(mtd, section++, &oobregion); if (ret < 0) { if (ret != -ERANGE) return ret; @@ -526,7 +526,7 @@ static int get_oobinfo(struct mtd_info *mtd, struct nand_oobinfo *to) for (i = 0; i < ARRAY_SIZE(to->eccpos);) { u32 eccpos; - ret = mtd_ooblayout_ecc(mtd, section, &oobregion); + ret = mtd_ooblayout_ecc(mtd, section++, &oobregion); if (ret < 0) { if (ret != -ERANGE) return ret; diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index e6b8c59..736ac88 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -328,7 +328,7 @@ config MTD_NAND_MARVELL tristate "NAND controller support on Marvell boards" depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU || \ COMPILE_TEST - depends on HAS_IOMEM + depends on HAS_IOMEM && HAS_DMA help This enables the NAND flash controller driver for Marvell boards, including: diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 4872a7b..5a9c2f0 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -173,14 +173,9 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob) /* returns nonzero if entire page is blank */ static int check_read_ecc(struct mtd_info *mtd, struct fsl_ifc_ctrl *ctrl, - u32 *eccstat, unsigned int bufnum) + u32 eccstat, unsigned int bufnum) { - u32 reg = eccstat[bufnum / 4]; - int errors; - - errors = (reg >> ((3 - bufnum % 4) * 8)) & 15; - - return errors; + return (eccstat >> ((3 - bufnum % 4) * 8)) & 15; } /* @@ -193,7 +188,7 @@ static void fsl_ifc_run_command(struct mtd_info *mtd) struct fsl_ifc_ctrl *ctrl = priv->ctrl; struct fsl_ifc_nand_ctrl *nctrl = ifc_nand_ctrl; struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs; - u32 eccstat[4]; + u32 eccstat; int i; /* set the chip select for NAND Transaction */ @@ -228,19 +223,17 @@ static void fsl_ifc_run_command(struct mtd_info *mtd) if (nctrl->eccread) { int errors; int bufnum = nctrl->page & priv->bufnum_mask; - int sector = bufnum * chip->ecc.steps; - int sector_end = sector + chip->ecc.steps - 1; + int sector_start = bufnum * chip->ecc.steps; + int sector_end = sector_start + chip->ecc.steps - 1; __be32 *eccstat_regs; - if (ctrl->version >= FSL_IFC_VERSION_2_0_0) - eccstat_regs = ifc->ifc_nand.v2_nand_eccstat; - else - eccstat_regs = ifc->ifc_nand.v1_nand_eccstat; + eccstat_regs = ifc->ifc_nand.nand_eccstat; + eccstat = ifc_in32(&eccstat_regs[sector_start / 4]); - for (i = sector / 4; i <= sector_end / 4; i++) - eccstat[i] = ifc_in32(&eccstat_regs[i]); + for (i = sector_start; i <= sector_end; i++) { + if (i != sector_start && !(i % 4)) + eccstat = ifc_in32(&eccstat_regs[i / 4]); - for (i = sector; i <= sector_end; i++) { errors = check_read_ecc(mtd, ctrl, eccstat, i); if (errors == 15) { @@ -626,6 +619,7 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip) struct fsl_ifc_ctrl *ctrl = priv->ctrl; struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs; u32 nand_fsr; + int status; /* Use READ_STATUS command, but wait for the device to be ready */ ifc_out32((IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) | @@ -640,12 +634,12 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip) fsl_ifc_run_command(mtd); nand_fsr = ifc_in32(&ifc->ifc_nand.nand_fsr); - + status = nand_fsr >> 24; /* * The chip always seems to report that it is * write-protected, even when it is not. */ - return nand_fsr | NAND_STATUS_WP; + return status | NAND_STATUS_WP; } /* diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c index 80d31a5..f367144 100644 --- a/drivers/mtd/nand/vf610_nfc.c +++ b/drivers/mtd/nand/vf610_nfc.c @@ -752,10 +752,8 @@ static int vf610_nfc_probe(struct platform_device *pdev) if (mtd->oobsize > 64) mtd->oobsize = 64; - /* - * mtd->ecclayout is not specified here because we're using the - * default large page ECC layout defined in NAND core. - */ + /* Use default large page ECC layout defined in NAND core */ + mtd_set_ooblayout(mtd, &nand_ooblayout_lp_ops); if (chip->ecc.strength == 32) { nfc->ecc_mode = ECC_60_BYTE; chip->ecc.bytes = 60; diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index 1e37313..6da69af 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -390,37 +390,23 @@ static int cc770_get_berr_counter(const struct net_device *dev, return 0; } -static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) +static void cc770_tx(struct net_device *dev, int mo) { struct cc770_priv *priv = netdev_priv(dev); - struct net_device_stats *stats = &dev->stats; - struct can_frame *cf = (struct can_frame *)skb->data; - unsigned int mo = obj2msgobj(CC770_OBJ_TX); + struct can_frame *cf = (struct can_frame *)priv->tx_skb->data; u8 dlc, rtr; u32 id; int i; - if (can_dropped_invalid_skb(dev, skb)) - return NETDEV_TX_OK; - - if ((cc770_read_reg(priv, - msgobj[mo].ctrl1) & TXRQST_UNC) == TXRQST_SET) { - netdev_err(dev, "TX register is still occupied!\n"); - return NETDEV_TX_BUSY; - } - - netif_stop_queue(dev); - dlc = cf->can_dlc; id = cf->can_id; - if (cf->can_id & CAN_RTR_FLAG) - rtr = 0; - else - rtr = MSGCFG_DIR; + rtr = cf->can_id & CAN_RTR_FLAG ? 0 : MSGCFG_DIR; + + cc770_write_reg(priv, msgobj[mo].ctrl0, + MSGVAL_RES | TXIE_RES | RXIE_RES | INTPND_RES); cc770_write_reg(priv, msgobj[mo].ctrl1, RMTPND_RES | TXRQST_RES | CPUUPD_SET | NEWDAT_RES); - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_SET | TXIE_SET | RXIE_RES | INTPND_RES); + if (id & CAN_EFF_FLAG) { id &= CAN_EFF_MASK; cc770_write_reg(priv, msgobj[mo].config, @@ -439,22 +425,30 @@ static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) for (i = 0; i < dlc; i++) cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]); - /* Store echo skb before starting the transfer */ - can_put_echo_skb(skb, dev, 0); - cc770_write_reg(priv, msgobj[mo].ctrl1, - RMTPND_RES | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC); + RMTPND_UNC | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC); + cc770_write_reg(priv, msgobj[mo].ctrl0, + MSGVAL_SET | TXIE_SET | RXIE_SET | INTPND_UNC); +} - stats->tx_bytes += dlc; +static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct cc770_priv *priv = netdev_priv(dev); + unsigned int mo = obj2msgobj(CC770_OBJ_TX); + if (can_dropped_invalid_skb(dev, skb)) + return NETDEV_TX_OK; - /* - * HM: We had some cases of repeated IRQs so make sure the - * INT is acknowledged I know it's already further up, but - * doing again fixed the issue - */ - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_UNC | TXIE_UNC | RXIE_UNC | INTPND_RES); + netif_stop_queue(dev); + + if ((cc770_read_reg(priv, + msgobj[mo].ctrl1) & TXRQST_UNC) == TXRQST_SET) { + netdev_err(dev, "TX register is still occupied!\n"); + return NETDEV_TX_BUSY; + } + + priv->tx_skb = skb; + cc770_tx(dev, mo); return NETDEV_TX_OK; } @@ -680,19 +674,46 @@ static void cc770_tx_interrupt(struct net_device *dev, unsigned int o) struct cc770_priv *priv = netdev_priv(dev); struct net_device_stats *stats = &dev->stats; unsigned int mo = obj2msgobj(o); + struct can_frame *cf; + u8 ctrl1; + + ctrl1 = cc770_read_reg(priv, msgobj[mo].ctrl1); - /* Nothing more to send, switch off interrupts */ cc770_write_reg(priv, msgobj[mo].ctrl0, MSGVAL_RES | TXIE_RES | RXIE_RES | INTPND_RES); - /* - * We had some cases of repeated IRQ so make sure the - * INT is acknowledged + cc770_write_reg(priv, msgobj[mo].ctrl1, + RMTPND_RES | TXRQST_RES | MSGLST_RES | NEWDAT_RES); + + if (unlikely(!priv->tx_skb)) { + netdev_err(dev, "missing tx skb in tx interrupt\n"); + return; + } + + if (unlikely(ctrl1 & MSGLST_SET)) { + stats->rx_over_errors++; + stats->rx_errors++; + } + + /* When the CC770 is sending an RTR message and it receives a regular + * message that matches the id of the RTR message, it will overwrite the + * outgoing message in the TX register. When this happens we must + * process the received message and try to transmit the outgoing skb + * again. */ - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_UNC | TXIE_UNC | RXIE_UNC | INTPND_RES); + if (unlikely(ctrl1 & NEWDAT_SET)) { + cc770_rx(dev, mo, ctrl1); + cc770_tx(dev, mo); + return; + } + cf = (struct can_frame *)priv->tx_skb->data; + stats->tx_bytes += cf->can_dlc; stats->tx_packets++; + + can_put_echo_skb(priv->tx_skb, dev, 0); can_get_echo_skb(dev, 0); + priv->tx_skb = NULL; + netif_wake_queue(dev); } @@ -804,6 +825,7 @@ struct net_device *alloc_cc770dev(int sizeof_priv) priv->can.do_set_bittiming = cc770_set_bittiming; priv->can.do_set_mode = cc770_set_mode; priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; + priv->tx_skb = NULL; memcpy(priv->obj_flags, cc770_obj_flags, sizeof(cc770_obj_flags)); diff --git a/drivers/net/can/cc770/cc770.h b/drivers/net/can/cc770/cc770.h index a1739db..95752e1 100644 --- a/drivers/net/can/cc770/cc770.h +++ b/drivers/net/can/cc770/cc770.h @@ -193,6 +193,8 @@ struct cc770_priv { u8 cpu_interface; /* CPU interface register */ u8 clkout; /* Clock out register */ u8 bus_config; /* Bus conffiguration register */ + + struct sk_buff *tx_skb; }; struct net_device *alloc_cc770dev(int sizeof_priv); diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 2772d05..fedd927 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -30,6 +30,7 @@ #define IFI_CANFD_STCMD_ERROR_ACTIVE BIT(2) #define IFI_CANFD_STCMD_ERROR_PASSIVE BIT(3) #define IFI_CANFD_STCMD_BUSOFF BIT(4) +#define IFI_CANFD_STCMD_ERROR_WARNING BIT(5) #define IFI_CANFD_STCMD_BUSMONITOR BIT(16) #define IFI_CANFD_STCMD_LOOPBACK BIT(18) #define IFI_CANFD_STCMD_DISABLE_CANFD BIT(24) @@ -52,7 +53,10 @@ #define IFI_CANFD_TXSTCMD_OVERFLOW BIT(13) #define IFI_CANFD_INTERRUPT 0xc +#define IFI_CANFD_INTERRUPT_ERROR_BUSOFF BIT(0) #define IFI_CANFD_INTERRUPT_ERROR_WARNING BIT(1) +#define IFI_CANFD_INTERRUPT_ERROR_STATE_CHG BIT(2) +#define IFI_CANFD_INTERRUPT_ERROR_REC_TEC_INC BIT(3) #define IFI_CANFD_INTERRUPT_ERROR_COUNTER BIT(10) #define IFI_CANFD_INTERRUPT_TXFIFO_EMPTY BIT(16) #define IFI_CANFD_INTERRUPT_TXFIFO_REMOVE BIT(22) @@ -61,6 +65,10 @@ #define IFI_CANFD_INTERRUPT_SET_IRQ ((u32)BIT(31)) #define IFI_CANFD_IRQMASK 0x10 +#define IFI_CANFD_IRQMASK_ERROR_BUSOFF BIT(0) +#define IFI_CANFD_IRQMASK_ERROR_WARNING BIT(1) +#define IFI_CANFD_IRQMASK_ERROR_STATE_CHG BIT(2) +#define IFI_CANFD_IRQMASK_ERROR_REC_TEC_INC BIT(3) #define IFI_CANFD_IRQMASK_SET_ERR BIT(7) #define IFI_CANFD_IRQMASK_SET_TS BIT(15) #define IFI_CANFD_IRQMASK_TXFIFO_EMPTY BIT(16) @@ -136,6 +144,8 @@ #define IFI_CANFD_SYSCLOCK 0x50 #define IFI_CANFD_VER 0x54 +#define IFI_CANFD_VER_REV_MASK 0xff +#define IFI_CANFD_VER_REV_MIN_SUPPORTED 0x15 #define IFI_CANFD_IP_ID 0x58 #define IFI_CANFD_IP_ID_VALUE 0xD073CAFD @@ -220,7 +230,10 @@ static void ifi_canfd_irq_enable(struct net_device *ndev, bool enable) if (enable) { enirq = IFI_CANFD_IRQMASK_TXFIFO_EMPTY | - IFI_CANFD_IRQMASK_RXFIFO_NEMPTY; + IFI_CANFD_IRQMASK_RXFIFO_NEMPTY | + IFI_CANFD_IRQMASK_ERROR_STATE_CHG | + IFI_CANFD_IRQMASK_ERROR_WARNING | + IFI_CANFD_IRQMASK_ERROR_BUSOFF; if (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) enirq |= IFI_CANFD_INTERRUPT_ERROR_COUNTER; } @@ -361,12 +374,13 @@ static int ifi_canfd_handle_lost_msg(struct net_device *ndev) return 1; } -static int ifi_canfd_handle_lec_err(struct net_device *ndev, const u32 errctr) +static int ifi_canfd_handle_lec_err(struct net_device *ndev) { struct ifi_canfd_priv *priv = netdev_priv(ndev); struct net_device_stats *stats = &ndev->stats; struct can_frame *cf; struct sk_buff *skb; + u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); const u32 errmask = IFI_CANFD_ERROR_CTR_OVERLOAD_FIRST | IFI_CANFD_ERROR_CTR_ACK_ERROR_FIRST | IFI_CANFD_ERROR_CTR_BIT0_ERROR_FIRST | @@ -449,6 +463,11 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, switch (new_state) { case CAN_STATE_ERROR_ACTIVE: + /* error active state */ + priv->can.can_stats.error_warning++; + priv->can.state = CAN_STATE_ERROR_ACTIVE; + break; + case CAN_STATE_ERROR_WARNING: /* error warning state */ priv->can.can_stats.error_warning++; priv->can.state = CAN_STATE_ERROR_WARNING; @@ -477,7 +496,7 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, ifi_canfd_get_berr_counter(ndev, &bec); switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ cf->can_id |= CAN_ERR_CRTL; cf->data[1] = (bec.txerr > bec.rxerr) ? @@ -510,22 +529,21 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, return 1; } -static int ifi_canfd_handle_state_errors(struct net_device *ndev, u32 stcmd) +static int ifi_canfd_handle_state_errors(struct net_device *ndev) { struct ifi_canfd_priv *priv = netdev_priv(ndev); + u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); int work_done = 0; - u32 isr; - /* - * The ErrWarn condition is a little special, since the bit is - * located in the INTERRUPT register instead of STCMD register. - */ - isr = readl(priv->base + IFI_CANFD_INTERRUPT); - if ((isr & IFI_CANFD_INTERRUPT_ERROR_WARNING) && + if ((stcmd & IFI_CANFD_STCMD_ERROR_ACTIVE) && + (priv->can.state != CAN_STATE_ERROR_ACTIVE)) { + netdev_dbg(ndev, "Error, entered active state\n"); + work_done += ifi_canfd_handle_state_change(ndev, + CAN_STATE_ERROR_ACTIVE); + } + + if ((stcmd & IFI_CANFD_STCMD_ERROR_WARNING) && (priv->can.state != CAN_STATE_ERROR_WARNING)) { - /* Clear the interrupt */ - writel(IFI_CANFD_INTERRUPT_ERROR_WARNING, - priv->base + IFI_CANFD_INTERRUPT); netdev_dbg(ndev, "Error, entered warning state\n"); work_done += ifi_canfd_handle_state_change(ndev, CAN_STATE_ERROR_WARNING); @@ -552,18 +570,11 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) { struct net_device *ndev = napi->dev; struct ifi_canfd_priv *priv = netdev_priv(ndev); - const u32 stcmd_state_mask = IFI_CANFD_STCMD_ERROR_PASSIVE | - IFI_CANFD_STCMD_BUSOFF; - int work_done = 0; - - u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); u32 rxstcmd = readl(priv->base + IFI_CANFD_RXSTCMD); - u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); + int work_done = 0; /* Handle bus state changes */ - if ((stcmd & stcmd_state_mask) || - ((stcmd & IFI_CANFD_STCMD_ERROR_ACTIVE) == 0)) - work_done += ifi_canfd_handle_state_errors(ndev, stcmd); + work_done += ifi_canfd_handle_state_errors(ndev); /* Handle lost messages on RX */ if (rxstcmd & IFI_CANFD_RXSTCMD_OVERFLOW) @@ -571,7 +582,7 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) /* Handle lec errors on the bus */ if (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) - work_done += ifi_canfd_handle_lec_err(ndev, errctr); + work_done += ifi_canfd_handle_lec_err(ndev); /* Handle normal messages on RX */ if (!(rxstcmd & IFI_CANFD_RXSTCMD_EMPTY)) @@ -592,12 +603,13 @@ static irqreturn_t ifi_canfd_isr(int irq, void *dev_id) struct net_device_stats *stats = &ndev->stats; const u32 rx_irq_mask = IFI_CANFD_INTERRUPT_RXFIFO_NEMPTY | IFI_CANFD_INTERRUPT_RXFIFO_NEMPTY_PER | + IFI_CANFD_INTERRUPT_ERROR_COUNTER | + IFI_CANFD_INTERRUPT_ERROR_STATE_CHG | IFI_CANFD_INTERRUPT_ERROR_WARNING | - IFI_CANFD_INTERRUPT_ERROR_COUNTER; + IFI_CANFD_INTERRUPT_ERROR_BUSOFF; const u32 tx_irq_mask = IFI_CANFD_INTERRUPT_TXFIFO_EMPTY | IFI_CANFD_INTERRUPT_TXFIFO_REMOVE; - const u32 clr_irq_mask = ~((u32)(IFI_CANFD_INTERRUPT_SET_IRQ | - IFI_CANFD_INTERRUPT_ERROR_WARNING)); + const u32 clr_irq_mask = ~((u32)IFI_CANFD_INTERRUPT_SET_IRQ); u32 isr; isr = readl(priv->base + IFI_CANFD_INTERRUPT); @@ -933,7 +945,7 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev) struct resource *res; void __iomem *addr; int irq, ret; - u32 id; + u32 id, rev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); addr = devm_ioremap_resource(dev, res); @@ -947,6 +959,13 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev) return -EINVAL; } + rev = readl(addr + IFI_CANFD_VER) & IFI_CANFD_VER_REV_MASK; + if (rev < IFI_CANFD_VER_REV_MIN_SUPPORTED) { + dev_err(dev, "This block is too old (rev %i), minimum supported is rev %i\n", + rev, IFI_CANFD_VER_REV_MIN_SUPPORTED); + return -EINVAL; + } + ndev = alloc_candev(sizeof(*priv), 1); if (!ndev) return -ENOMEM; diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 2594f77..b397a33 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -26,6 +26,7 @@ #include <linux/pm_runtime.h> #include <linux/iopoll.h> #include <linux/can/dev.h> +#include <linux/pinctrl/consumer.h> /* napi related */ #define M_CAN_NAPI_WEIGHT 64 @@ -253,7 +254,7 @@ enum m_can_mram_cfg { /* Rx FIFO 0/1 Configuration (RXF0C/RXF1C) */ #define RXFC_FWM_SHIFT 24 -#define RXFC_FWM_MASK (0x7f < RXFC_FWM_SHIFT) +#define RXFC_FWM_MASK (0x7f << RXFC_FWM_SHIFT) #define RXFC_FS_SHIFT 16 #define RXFC_FS_MASK (0x7f << RXFC_FS_SHIFT) @@ -1700,6 +1701,8 @@ static __maybe_unused int m_can_suspend(struct device *dev) m_can_clk_stop(priv); } + pinctrl_pm_select_sleep_state(dev); + priv->can.state = CAN_STATE_SLEEPING; return 0; @@ -1710,6 +1713,8 @@ static __maybe_unused int m_can_resume(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct m_can_priv *priv = netdev_priv(ndev); + pinctrl_pm_select_default_state(dev); + m_can_init_ram(priv); priv->can.state = CAN_STATE_ERROR_ACTIVE; diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index 5551341..ed8561d 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -262,7 +262,6 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, spin_lock_irqsave(&priv->echo_lock, flags); can_get_echo_skb(priv->ndev, msg->client); - spin_unlock_irqrestore(&priv->echo_lock, flags); /* count bytes of the echo instead of skb */ stats->tx_bytes += cf_len; @@ -271,6 +270,7 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, /* restart tx queue (a slot is free) */ netif_wake_queue(priv->ndev); + spin_unlock_irqrestore(&priv->echo_lock, flags); return 0; } @@ -333,7 +333,6 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, /* this STATUS is the CNF of the RX_BARRIER: Tx path can be setup */ if (pucan_status_is_rx_barrier(msg)) { - unsigned long flags; if (priv->enable_tx_path) { int err = priv->enable_tx_path(priv); @@ -342,16 +341,8 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, return err; } - /* restart network queue only if echo skb array is free */ - spin_lock_irqsave(&priv->echo_lock, flags); - - if (!priv->can.echo_skb[priv->echo_idx]) { - spin_unlock_irqrestore(&priv->echo_lock, flags); - - netif_wake_queue(ndev); - } else { - spin_unlock_irqrestore(&priv->echo_lock, flags); - } + /* start network queue (echo_skb array is empty) */ + netif_start_queue(ndev); return 0; } @@ -726,11 +717,6 @@ static netdev_tx_t peak_canfd_start_xmit(struct sk_buff *skb, */ should_stop_tx_queue = !!(priv->can.echo_skb[priv->echo_idx]); - spin_unlock_irqrestore(&priv->echo_lock, flags); - - /* write the skb on the interface */ - priv->write_tx_msg(priv, msg); - /* stop network tx queue if not enough room to save one more msg too */ if (priv->can.ctrlmode & CAN_CTRLMODE_FD) should_stop_tx_queue |= (room_left < @@ -742,6 +728,11 @@ static netdev_tx_t peak_canfd_start_xmit(struct sk_buff *skb, if (should_stop_tx_queue) netif_stop_queue(ndev); + spin_unlock_irqrestore(&priv->echo_lock, flags); + + /* write the skb on the interface */ + priv->write_tx_msg(priv, msg); + return NETDEV_TX_OK; } diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c index 788c346..3c51a88 100644 --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c @@ -349,8 +349,12 @@ static irqreturn_t pciefd_irq_handler(int irq, void *arg) priv->tx_pages_free++; spin_unlock_irqrestore(&priv->tx_lock, flags); - /* wake producer up */ - netif_wake_queue(priv->ucan.ndev); + /* wake producer up (only if enough room in echo_skb array) */ + spin_lock_irqsave(&priv->ucan.echo_lock, flags); + if (!priv->ucan.can.echo_skb[priv->ucan.echo_idx]) + netif_wake_queue(priv->ucan.ndev); + + spin_unlock_irqrestore(&priv->ucan.echo_lock, flags); } /* re-enable Rx DMA transfer for this CAN */ diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile index d040aeb..15c2a83 100644 --- a/drivers/net/dsa/Makefile +++ b/drivers/net/dsa/Makefile @@ -1,7 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NET_DSA_BCM_SF2) += bcm-sf2.o bcm-sf2-objs := bcm_sf2.o bcm_sf2_cfp.o -obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o dsa_loop_bdinfo.o +obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o +ifdef CONFIG_NET_DSA_LOOP +obj-$(CONFIG_FIXED_PHY) += dsa_loop_bdinfo.o +endif obj-$(CONFIG_NET_DSA_MT7530) += mt7530.o obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o obj-$(CONFIG_NET_DSA_QCA8K) += qca8k.o diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index db830a1..63e02a54 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -814,8 +814,8 @@ void b53_get_strings(struct dsa_switch *ds, int port, uint8_t *data) unsigned int i; for (i = 0; i < mib_size; i++) - memcpy(data + i * ETH_GSTRING_LEN, - mibs[i].name, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + mibs[i].name, ETH_GSTRING_LEN); } EXPORT_SYMBOL(b53_get_strings); diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index 29c3075..fdc6734 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -3,7 +3,7 @@ # config NET_VENDOR_8390 - bool "National Semi-conductor 8390 devices" + bool "National Semiconductor 8390 devices" default y depends on NET_VENDOR_NATSEMI ---help--- diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index 3e5833c..eb23f9b 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c @@ -426,6 +426,8 @@ static int xgbe_pci_resume(struct pci_dev *pdev) struct net_device *netdev = pdata->netdev; int ret = 0; + XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff); + pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER; XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl); diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h index 0b49f1a..fc73831 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h @@ -36,6 +36,8 @@ #define AQ_CFG_TX_FRAME_MAX (16U * 1024U) #define AQ_CFG_RX_FRAME_MAX (4U * 1024U) +#define AQ_CFG_TX_CLEAN_BUDGET 256U + /* LRO */ #define AQ_CFG_IS_LRO_DEF 1U diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index ebbaf63..c96a921 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -247,6 +247,8 @@ void aq_nic_ndev_init(struct aq_nic_s *self) self->ndev->hw_features |= aq_hw_caps->hw_features; self->ndev->features = aq_hw_caps->hw_features; self->ndev->priv_flags = aq_hw_caps->hw_priv_flags; + self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN; self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN; @@ -937,3 +939,23 @@ err_exit: out: return err; } + +void aq_nic_shutdown(struct aq_nic_s *self) +{ + int err = 0; + + if (!self->ndev) + return; + + rtnl_lock(); + + netif_device_detach(self->ndev); + + err = aq_nic_stop(self); + if (err < 0) + goto err_exit; + aq_nic_deinit(self); + +err_exit: + rtnl_unlock(); +}
\ No newline at end of file diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h index d16b0f1..219b550 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h @@ -118,5 +118,6 @@ struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); u32 aq_nic_get_fw_version(struct aq_nic_s *self); int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg); int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); +void aq_nic_shutdown(struct aq_nic_s *self); #endif /* AQ_NIC_H */ diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index 22889fc..ecc6306 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -226,6 +226,10 @@ static int aq_pci_probe(struct pci_dev *pdev, goto err_ioremap; self->aq_hw = kzalloc(sizeof(*self->aq_hw), GFP_KERNEL); + if (!self->aq_hw) { + err = -ENOMEM; + goto err_ioremap; + } self->aq_hw->aq_nic_cfg = aq_nic_get_cfg(self); for (bar = 0; bar < 4; ++bar) { @@ -235,19 +239,19 @@ static int aq_pci_probe(struct pci_dev *pdev, mmio_pa = pci_resource_start(pdev, bar); if (mmio_pa == 0U) { err = -EIO; - goto err_ioremap; + goto err_free_aq_hw; } reg_sz = pci_resource_len(pdev, bar); if ((reg_sz <= 24 /*ATL_REGS_SIZE*/)) { err = -EIO; - goto err_ioremap; + goto err_free_aq_hw; } self->aq_hw->mmio = ioremap_nocache(mmio_pa, reg_sz); if (!self->aq_hw->mmio) { err = -EIO; - goto err_ioremap; + goto err_free_aq_hw; } break; } @@ -255,7 +259,7 @@ static int aq_pci_probe(struct pci_dev *pdev, if (bar == 4) { err = -EIO; - goto err_ioremap; + goto err_free_aq_hw; } numvecs = min((u8)AQ_CFG_VECS_DEF, @@ -290,6 +294,8 @@ err_register: aq_pci_free_irq_vectors(self); err_hwinit: iounmap(self->aq_hw->mmio); +err_free_aq_hw: + kfree(self->aq_hw); err_ioremap: free_netdev(ndev); err_pci_func: @@ -317,6 +323,20 @@ static void aq_pci_remove(struct pci_dev *pdev) pci_disable_device(pdev); } +static void aq_pci_shutdown(struct pci_dev *pdev) +{ + struct aq_nic_s *self = pci_get_drvdata(pdev); + + aq_nic_shutdown(self); + + pci_disable_device(pdev); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, false); + pci_set_power_state(pdev, PCI_D3hot); + } +} + static int aq_pci_suspend(struct pci_dev *pdev, pm_message_t pm_msg) { struct aq_nic_s *self = pci_get_drvdata(pdev); @@ -339,6 +359,7 @@ static struct pci_driver aq_pci_ops = { .remove = aq_pci_remove, .suspend = aq_pci_suspend, .resume = aq_pci_resume, + .shutdown = aq_pci_shutdown, }; module_pci_driver(aq_pci_ops); diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 0be6a11..b5f1f62 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -136,11 +136,12 @@ void aq_ring_queue_stop(struct aq_ring_s *ring) netif_stop_subqueue(ndev, ring->idx); } -void aq_ring_tx_clean(struct aq_ring_s *self) +bool aq_ring_tx_clean(struct aq_ring_s *self) { struct device *dev = aq_nic_get_dev(self->aq_nic); + unsigned int budget = AQ_CFG_TX_CLEAN_BUDGET; - for (; self->sw_head != self->hw_head; + for (; self->sw_head != self->hw_head && budget--; self->sw_head = aq_ring_next_dx(self, self->sw_head)) { struct aq_ring_buff_s *buff = &self->buff_ring[self->sw_head]; @@ -167,6 +168,8 @@ void aq_ring_tx_clean(struct aq_ring_s *self) buff->pa = 0U; buff->eop_index = 0xffffU; } + + return !!budget; } #define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h index 965fae0..ac1329f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h @@ -153,7 +153,7 @@ void aq_ring_free(struct aq_ring_s *self); void aq_ring_update_queue_state(struct aq_ring_s *ring); void aq_ring_queue_wake(struct aq_ring_s *ring); void aq_ring_queue_stop(struct aq_ring_s *ring); -void aq_ring_tx_clean(struct aq_ring_s *self); +bool aq_ring_tx_clean(struct aq_ring_s *self); int aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, int *work_done, diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c index f890b8a..d335c33 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c @@ -35,12 +35,12 @@ struct aq_vec_s { static int aq_vec_poll(struct napi_struct *napi, int budget) { struct aq_vec_s *self = container_of(napi, struct aq_vec_s, napi); + unsigned int sw_tail_old = 0U; struct aq_ring_s *ring = NULL; + bool was_tx_cleaned = true; + unsigned int i = 0U; int work_done = 0; int err = 0; - unsigned int i = 0U; - unsigned int sw_tail_old = 0U; - bool was_tx_cleaned = false; if (!self) { err = -EINVAL; @@ -57,9 +57,8 @@ static int aq_vec_poll(struct napi_struct *napi, int budget) if (ring[AQ_VEC_TX_ID].sw_head != ring[AQ_VEC_TX_ID].hw_head) { - aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]); + was_tx_cleaned = aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]); aq_ring_update_queue_state(&ring[AQ_VEC_TX_ID]); - was_tx_cleaned = true; } err = self->aq_hw_ops->hw_ring_rx_receive(self->aq_hw, @@ -90,7 +89,7 @@ static int aq_vec_poll(struct napi_struct *napi, int budget) } } - if (was_tx_cleaned) + if (!was_tx_cleaned) work_done = budget; if (work_done < budget) { diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 967f0fd..d3b847e 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -21,6 +21,10 @@ #define HW_ATL_UCP_0X370_REG 0x0370U +#define HW_ATL_MIF_CMD 0x0200U +#define HW_ATL_MIF_ADDR 0x0208U +#define HW_ATL_MIF_VAL 0x020CU + #define HW_ATL_FW_SM_RAM 0x2U #define HW_ATL_MPI_FW_VERSION 0x18 #define HW_ATL_MPI_CONTROL_ADR 0x0368U @@ -79,16 +83,15 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops) static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) { + u32 gsr, val; int k = 0; - u32 gsr; aq_hw_write_reg(self, 0x404, 0x40e1); AQ_HW_SLEEP(50); /* Cleanup SPI */ - aq_hw_write_reg(self, 0x534, 0xA0); - aq_hw_write_reg(self, 0x100, 0x9F); - aq_hw_write_reg(self, 0x100, 0x809F); + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR); aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR, (gsr & 0xBFFF) | 0x8000); @@ -97,7 +100,14 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) aq_hw_write_reg(self, 0x404, 0x80e0); aq_hw_write_reg(self, 0x32a8, 0x0); aq_hw_write_reg(self, 0x520, 0x1); + + /* Reset SPI again because of possible interrupted SPI burst */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); AQ_HW_SLEEP(10); + /* Clear SPI reset state */ + aq_hw_write_reg(self, 0x53C, val & ~0x10); + aq_hw_write_reg(self, 0x404, 0x180e0); for (k = 0; k < 1000; k++) { @@ -141,13 +151,15 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) aq_pr_err("FW kickstart failed\n"); return -EIO; } + /* Old FW requires fixed delay after init */ + AQ_HW_SLEEP(15); return 0; } static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) { - u32 gsr, rbl_status; + u32 gsr, val, rbl_status; int k; aq_hw_write_reg(self, 0x404, 0x40e1); @@ -157,6 +169,10 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) /* Alter RBL status */ aq_hw_write_reg(self, 0x388, 0xDEAD); + /* Cleanup SPI */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); + /* Global software reset*/ hw_atl_rx_rx_reg_res_dis_set(self, 0U); hw_atl_tx_tx_reg_res_dis_set(self, 0U); @@ -204,6 +220,8 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) aq_pr_err("FW kickstart failed\n"); return -EIO; } + /* Old FW requires fixed delay after init */ + AQ_HW_SLEEP(15); return 0; } @@ -255,18 +273,22 @@ int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a, } } - aq_hw_write_reg(self, 0x00000208U, a); - - for (++cnt; --cnt;) { - u32 i = 0U; + aq_hw_write_reg(self, HW_ATL_MIF_ADDR, a); - aq_hw_write_reg(self, 0x00000200U, 0x00008000U); + for (++cnt; --cnt && !err;) { + aq_hw_write_reg(self, HW_ATL_MIF_CMD, 0x00008000U); - for (i = 1024U; - (0x100U & aq_hw_read_reg(self, 0x00000200U)) && --i;) { - } + if (IS_CHIP_FEATURE(REVISION_B1)) + AQ_HW_WAIT_FOR(a != aq_hw_read_reg(self, + HW_ATL_MIF_ADDR), + 1, 1000U); + else + AQ_HW_WAIT_FOR(!(0x100 & aq_hw_read_reg(self, + HW_ATL_MIF_CMD)), + 1, 1000U); - *(p++) = aq_hw_read_reg(self, 0x0000020CU); + *(p++) = aq_hw_read_reg(self, HW_ATL_MIF_VAL); + a += 4; } hw_atl_reg_glb_cpu_sem_set(self, 1U, HW_ATL_FW_SM_RAM); @@ -662,14 +684,18 @@ void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p) u32 val = hw_atl_reg_glb_mif_id_get(self); u32 mif_rev = val & 0xFFU; - if ((3U & mif_rev) == 1U) { - chip_features |= - HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 | + if ((0xFU & mif_rev) == 1U) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 | HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | HAL_ATLANTIC_UTILS_CHIP_MIPS; - } else if ((3U & mif_rev) == 2U) { - chip_features |= - HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 | + } else if ((0xFU & mif_rev) == 2U) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 | + HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | + HAL_ATLANTIC_UTILS_CHIP_MIPS | + HAL_ATLANTIC_UTILS_CHIP_TPO2 | + HAL_ATLANTIC_UTILS_CHIP_RPF2; + } else if ((0xFU & mif_rev) == 0xAU) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 | HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | HAL_ATLANTIC_UTILS_CHIP_MIPS | HAL_ATLANTIC_UTILS_CHIP_TPO2 | diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index 2c69094..cd8f18f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -161,6 +161,7 @@ struct __packed hw_aq_atl_utils_mbox { #define HAL_ATLANTIC_UTILS_CHIP_MPI_AQ 0x00000010U #define HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 0x01000000U #define HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 0x02000000U +#define HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 0x04000000U #define IS_CHIP_FEATURE(_F_) (HAL_ATLANTIC_UTILS_CHIP_##_F_ & \ self->chip_features) diff --git a/drivers/net/ethernet/aquantia/atlantic/ver.h b/drivers/net/ethernet/aquantia/atlantic/ver.h index 5265b93..a445de6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/ver.h +++ b/drivers/net/ethernet/aquantia/atlantic/ver.h @@ -13,7 +13,7 @@ #define NIC_MAJOR_DRIVER_VERSION 2 #define NIC_MINOR_DRIVER_VERSION 0 #define NIC_BUILD_DRIVER_VERSION 2 -#define NIC_REVISION_DRIVER_VERSION 0 +#define NIC_REVISION_DRIVER_VERSION 1 #define AQ_CFG_DRV_VERSION_SUFFIX "-kern" diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c index 16f9bee..0f65768 100644 --- a/drivers/net/ethernet/arc/emac_rockchip.c +++ b/drivers/net/ethernet/arc/emac_rockchip.c @@ -169,8 +169,10 @@ static int emac_rockchip_probe(struct platform_device *pdev) /* Optional regulator for PHY */ priv->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(priv->regulator)) { - if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) { + err = -EPROBE_DEFER; + goto out_clk_disable; + } dev_err(dev, "no regulator found\n"); priv->regulator = NULL; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index f15a8fc..3fc549b 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -855,10 +855,12 @@ static void bcm_sysport_tx_reclaim_one(struct bcm_sysport_tx_ring *ring, static unsigned int __bcm_sysport_tx_reclaim(struct bcm_sysport_priv *priv, struct bcm_sysport_tx_ring *ring) { - unsigned int c_index, last_c_index, last_tx_cn, num_tx_cbs; unsigned int pkts_compl = 0, bytes_compl = 0; struct net_device *ndev = priv->netdev; + unsigned int txbds_processed = 0; struct bcm_sysport_cb *cb; + unsigned int txbds_ready; + unsigned int c_index; u32 hw_ind; /* Clear status before servicing to reduce spurious interrupts */ @@ -871,29 +873,23 @@ static unsigned int __bcm_sysport_tx_reclaim(struct bcm_sysport_priv *priv, /* Compute how many descriptors have been processed since last call */ hw_ind = tdma_readl(priv, TDMA_DESC_RING_PROD_CONS_INDEX(ring->index)); c_index = (hw_ind >> RING_CONS_INDEX_SHIFT) & RING_CONS_INDEX_MASK; - ring->p_index = (hw_ind & RING_PROD_INDEX_MASK); - - last_c_index = ring->c_index; - num_tx_cbs = ring->size; - - c_index &= (num_tx_cbs - 1); - - if (c_index >= last_c_index) - last_tx_cn = c_index - last_c_index; - else - last_tx_cn = num_tx_cbs - last_c_index + c_index; + txbds_ready = (c_index - ring->c_index) & RING_CONS_INDEX_MASK; netif_dbg(priv, tx_done, ndev, - "ring=%d c_index=%d last_tx_cn=%d last_c_index=%d\n", - ring->index, c_index, last_tx_cn, last_c_index); + "ring=%d old_c_index=%u c_index=%u txbds_ready=%u\n", + ring->index, ring->c_index, c_index, txbds_ready); - while (last_tx_cn-- > 0) { - cb = ring->cbs + last_c_index; + while (txbds_processed < txbds_ready) { + cb = &ring->cbs[ring->clean_index]; bcm_sysport_tx_reclaim_one(ring, cb, &bytes_compl, &pkts_compl); ring->desc_count++; - last_c_index++; - last_c_index &= (num_tx_cbs - 1); + txbds_processed++; + + if (likely(ring->clean_index < ring->size - 1)) + ring->clean_index++; + else + ring->clean_index = 0; } u64_stats_update_begin(&priv->syncp); @@ -1394,6 +1390,7 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, netif_tx_napi_add(priv->netdev, &ring->napi, bcm_sysport_tx_poll, 64); ring->index = index; ring->size = size; + ring->clean_index = 0; ring->alloc_size = ring->size; ring->desc_cpu = p; ring->desc_count = ring->size; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index f5a984c..19c91c7 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -706,7 +706,7 @@ struct bcm_sysport_tx_ring { unsigned int desc_count; /* Number of descriptors */ unsigned int curr_desc; /* Current descriptor */ unsigned int c_index; /* Last consumer index */ - unsigned int p_index; /* Current producer index */ + unsigned int clean_index; /* Current clean index */ struct bcm_sysport_cb *cbs; /* Transmit control blocks */ struct dma_desc *desc_cpu; /* CPU view of the descriptor */ struct bcm_sysport_priv *priv; /* private context backpointer */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 74fc9af..b8388e9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13913,7 +13913,7 @@ static void bnx2x_register_phc(struct bnx2x *bp) bp->ptp_clock = ptp_clock_register(&bp->ptp_clock_info, &bp->pdev->dev); if (IS_ERR(bp->ptp_clock)) { bp->ptp_clock = NULL; - BNX2X_ERR("PTP clock registeration failed\n"); + BNX2X_ERR("PTP clock registration failed\n"); } } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 1500243..c7e5e6f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1439,7 +1439,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) { u16 vlan_proto = tpa_info->metadata >> RX_CMP_FLAGS2_METADATA_TPID_SFT; - u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_VID_MASK; + u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK; __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); } @@ -1623,7 +1623,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons, cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) && (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) { u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data); - u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_VID_MASK; + u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK; u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT; __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); @@ -3847,6 +3847,9 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; struct hwrm_vnic_tpa_cfg_input req = {0}; + if (vnic->fw_vnic_id == INVALID_HW_RING_ID) + return 0; + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1); if (tpa_flags) { @@ -4558,18 +4561,17 @@ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings) return rc; } -static int -bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings, int vnics) +static void +__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req, + int tx_rings, int rx_rings, int ring_grps, + int cp_rings, int vnics) { - struct hwrm_func_cfg_input req = {0}; u32 enables = 0; - int rc; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); - req.fid = cpu_to_le16(0xffff); + bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1); + req->fid = cpu_to_le16(0xffff); enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; - req.num_tx_rings = cpu_to_le16(tx_rings); + req->num_tx_rings = cpu_to_le16(tx_rings); if (bp->flags & BNXT_FLAG_NEW_RM) { enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | @@ -4578,16 +4580,53 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_stat_ctxs = req.num_cmpl_rings; - req.num_vnics = cpu_to_le16(vnics); + req->num_rx_rings = cpu_to_le16(rx_rings); + req->num_hw_ring_grps = cpu_to_le16(ring_grps); + req->num_cmpl_rings = cpu_to_le16(cp_rings); + req->num_stat_ctxs = req->num_cmpl_rings; + req->num_vnics = cpu_to_le16(vnics); } - if (!enables) + req->enables = cpu_to_le32(enables); +} + +static void +__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, + struct hwrm_func_vf_cfg_input *req, int tx_rings, + int rx_rings, int ring_grps, int cp_rings, + int vnics) +{ + u32 enables = 0; + + bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1); + enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; + enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; + enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; + enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; + + req->num_tx_rings = cpu_to_le16(tx_rings); + req->num_rx_rings = cpu_to_le16(rx_rings); + req->num_hw_ring_grps = cpu_to_le16(ring_grps); + req->num_cmpl_rings = cpu_to_le16(cp_rings); + req->num_stat_ctxs = req->num_cmpl_rings; + req->num_vnics = cpu_to_le16(vnics); + + req->enables = cpu_to_le32(enables); +} + +static int +bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings, int vnics) +{ + struct hwrm_func_cfg_input req = {0}; + int rc; + + __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); + if (!req.enables) return 0; - req.enables = cpu_to_le32(enables); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4604,7 +4643,6 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, int ring_grps, int cp_rings, int vnics) { struct hwrm_func_vf_cfg_input req = {0}; - u32 enables = 0; int rc; if (!(bp->flags & BNXT_FLAG_NEW_RM)) { @@ -4612,22 +4650,8 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, return 0; } - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); - enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; - enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; - enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; - enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; - enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; - - req.num_tx_rings = cpu_to_le16(tx_rings); - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_stat_ctxs = req.num_cmpl_rings; - req.num_vnics = cpu_to_le16(vnics); - - req.enables = cpu_to_le32(enables); + __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4743,39 +4767,25 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp) } static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { struct hwrm_func_vf_cfg_input req = {0}; - u32 flags, enables; + u32 flags; int rc; if (!(bp->flags & BNXT_FLAG_NEW_RM)) return 0; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); + __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; - enables = FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS | - FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS; req.flags = cpu_to_le32(flags); - req.enables = cpu_to_le32(enables); - req.num_tx_rings = cpu_to_le16(tx_rings); - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_stat_ctxs = cpu_to_le16(cp_rings); - req.num_vnics = cpu_to_le16(1); - if (bp->flags & BNXT_FLAG_RFS) - req.num_vnics = cpu_to_le16(rx_rings + 1); rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4783,38 +4793,23 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, } static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { struct hwrm_func_cfg_input req = {0}; - u32 flags, enables; + u32 flags; int rc; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); - req.fid = cpu_to_le16(0xffff); + __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST; - enables = FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS; - req.num_tx_rings = cpu_to_le16(tx_rings); - if (bp->flags & BNXT_FLAG_NEW_RM) { + if (bp->flags & BNXT_FLAG_NEW_RM) flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; - enables |= FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | - FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS | - FUNC_CFG_REQ_ENABLES_NUM_VNICS; - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_stat_ctxs = cpu_to_le16(cp_rings); - req.num_vnics = cpu_to_le16(1); - if (bp->flags & BNXT_FLAG_RFS) - req.num_vnics = cpu_to_le16(rx_rings + 1); - } + req.flags = cpu_to_le32(flags); - req.enables = cpu_to_le32(enables); rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4822,17 +4817,17 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, } static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { if (bp->hwrm_spec_code < 0x10801) return 0; if (BNXT_PF(bp)) return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings, - ring_grps, cp_rings); + ring_grps, cp_rings, vnics); return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps, - cp_rings); + cp_rings, vnics); } static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal, @@ -5865,7 +5860,6 @@ static int bnxt_init_msix(struct bnxt *bp) if (rc) goto msix_setup_exit; - bp->tx_nr_rings_per_tc = bp->tx_nr_rings; bp->cp_nr_rings = (min == 1) ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : bp->tx_nr_rings + bp->rx_nr_rings; @@ -5897,7 +5891,6 @@ static int bnxt_init_inta(struct bnxt *bp) bp->rx_nr_rings = 1; bp->tx_nr_rings = 1; bp->cp_nr_rings = 1; - bp->tx_nr_rings_per_tc = bp->tx_nr_rings; bp->flags |= BNXT_FLAG_SHARED_RINGS; bp->irq_tbl[0].vector = bp->pdev->irq; return 0; @@ -7531,7 +7524,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, int max_rx, max_tx, tx_sets = 1; int tx_rings_needed; int rx_rings = rx; - int cp, rc; + int cp, vnics, rc; if (tcs) tx_sets = tcs; @@ -7547,10 +7540,15 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, if (max_tx < tx_rings_needed) return -ENOMEM; + vnics = 1; + if (bp->flags & BNXT_FLAG_RFS) + vnics += rx_rings; + if (bp->flags & BNXT_FLAG_AGG_RINGS) rx_rings <<= 1; cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx; - return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp); + return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp, + vnics); } static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev) @@ -8437,13 +8435,20 @@ int bnxt_restore_pf_fw_resources(struct bnxt *bp) return 0; bnxt_hwrm_func_qcaps(bp); - __bnxt_close_nic(bp, true, false); + + if (netif_running(bp->dev)) + __bnxt_close_nic(bp, true, false); + bnxt_clear_int_mode(bp); rc = bnxt_init_int_mode(bp); - if (rc) - dev_close(bp->dev); - else - rc = bnxt_open_nic(bp, true, false); + + if (netif_running(bp->dev)) { + if (rc) + dev_close(bp->dev); + else + rc = bnxt_open_nic(bp, true, false); + } + return rc; } @@ -8664,6 +8669,11 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) goto init_err_pci_clean; + /* No TC has been set yet and rings may have been trimmed due to + * limited MSIX, so we re-initialize the TX rings per TC. + */ + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + bnxt_get_wol_settings(bp); if (bp->flags & BNXT_FLAG_WOL_CAP) device_set_wakeup_enable(&pdev->dev, bp->wol); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 1989c47..5e3d621 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -189,6 +189,7 @@ struct rx_cmp_ext { #define RX_CMP_FLAGS2_T_L4_CS_CALC (0x1 << 3) #define RX_CMP_FLAGS2_META_FORMAT_VLAN (0x1 << 4) __le32 rx_cmp_meta_data; + #define RX_CMP_FLAGS2_METADATA_TCI_MASK 0xffff #define RX_CMP_FLAGS2_METADATA_VID_MASK 0xfff #define RX_CMP_FLAGS2_METADATA_TPID_MASK 0xffff0000 #define RX_CMP_FLAGS2_METADATA_TPID_SFT 16 diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index fbe6e20..65c2cee 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -349,6 +349,9 @@ static int bnxt_hwrm_cfa_flow_free(struct bnxt *bp, __le16 flow_handle) if (rc) netdev_info(bp->dev, "Error: %s: flow_handle=0x%x rc=%d", __func__, flow_handle, rc); + + if (rc) + rc = -EIO; return rc; } @@ -484,13 +487,15 @@ static int bnxt_hwrm_cfa_flow_alloc(struct bnxt *bp, struct bnxt_tc_flow *flow, req.action_flags = cpu_to_le16(action_flags); mutex_lock(&bp->hwrm_cmd_lock); - rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) *flow_handle = resp->flow_handle; - mutex_unlock(&bp->hwrm_cmd_lock); + if (rc == HWRM_ERR_CODE_RESOURCE_ALLOC_ERROR) + rc = -ENOSPC; + else if (rc) + rc = -EIO; return rc; } @@ -561,6 +566,8 @@ static int hwrm_cfa_decap_filter_alloc(struct bnxt *bp, netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); mutex_unlock(&bp->hwrm_cmd_lock); + if (rc) + rc = -EIO; return rc; } @@ -576,6 +583,9 @@ static int hwrm_cfa_decap_filter_free(struct bnxt *bp, rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); + + if (rc) + rc = -EIO; return rc; } @@ -624,6 +634,8 @@ static int hwrm_cfa_encap_record_alloc(struct bnxt *bp, netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); mutex_unlock(&bp->hwrm_cmd_lock); + if (rc) + rc = -EIO; return rc; } @@ -639,6 +651,9 @@ static int hwrm_cfa_encap_record_free(struct bnxt *bp, rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); + + if (rc) + rc = -EIO; return rc; } @@ -1269,11 +1284,8 @@ static int bnxt_tc_del_flow(struct bnxt *bp, flow_node = rhashtable_lookup_fast(&tc_info->flow_table, &tc_flow_cmd->cookie, tc_info->flow_ht_params); - if (!flow_node) { - netdev_info(bp->dev, "ERROR: no flow_node for cookie %lx", - tc_flow_cmd->cookie); + if (!flow_node) return -EINVAL; - } return __bnxt_tc_del_flow(bp, flow_node); } @@ -1290,11 +1302,8 @@ static int bnxt_tc_get_flow_stats(struct bnxt *bp, flow_node = rhashtable_lookup_fast(&tc_info->flow_table, &tc_flow_cmd->cookie, tc_info->flow_ht_params); - if (!flow_node) { - netdev_info(bp->dev, "Error: no flow_node for cookie %lx", - tc_flow_cmd->cookie); + if (!flow_node) return -1; - } flow = &flow_node->flow; curr_stats = &flow->stats; @@ -1344,8 +1353,10 @@ bnxt_hwrm_cfa_flow_stats_get(struct bnxt *bp, int num_flows, } else { netdev_info(bp->dev, "error rc=%d", rc); } - mutex_unlock(&bp->hwrm_cmd_lock); + + if (rc) + rc = -EIO; return rc; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index a77ee2f..f259397 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -922,8 +922,8 @@ static int tg3_ape_send_event(struct tg3 *tp, u32 event) if (!(apedata & APE_FW_STATUS_READY)) return -EAGAIN; - /* Wait for up to 1 millisecond for APE to service previous event. */ - err = tg3_ape_event_lock(tp, 1000); + /* Wait for up to 20 millisecond for APE to service previous event. */ + err = tg3_ape_event_lock(tp, 20000); if (err) return err; @@ -946,6 +946,7 @@ static void tg3_ape_driver_state_change(struct tg3 *tp, int kind) switch (kind) { case RESET_KIND_INIT: + tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++); tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, APE_HOST_SEG_SIG_MAGIC); tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN, @@ -962,13 +963,6 @@ static void tg3_ape_driver_state_change(struct tg3 *tp, int kind) event = APE_EVENT_STATUS_STATE_START; break; case RESET_KIND_SHUTDOWN: - /* With the interface we are currently using, - * APE does not track driver state. Wiping - * out the HOST SEGMENT SIGNATURE forces - * the APE to assume OS absent status. - */ - tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0); - if (device_may_wakeup(&tp->pdev->dev) && tg3_flag(tp, WOL_ENABLE)) { tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED, @@ -990,6 +984,18 @@ static void tg3_ape_driver_state_change(struct tg3 *tp, int kind) tg3_ape_send_event(tp, event); } +static void tg3_send_ape_heartbeat(struct tg3 *tp, + unsigned long interval) +{ + /* Check if hb interval has exceeded */ + if (!tg3_flag(tp, ENABLE_APE) || + time_before(jiffies, tp->ape_hb_jiffies + interval)) + return; + + tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++); + tp->ape_hb_jiffies = jiffies; +} + static void tg3_disable_ints(struct tg3 *tp) { int i; @@ -7262,6 +7268,7 @@ static int tg3_poll_msix(struct napi_struct *napi, int budget) } } + tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1); return work_done; tx_recovery: @@ -7344,6 +7351,7 @@ static int tg3_poll(struct napi_struct *napi, int budget) } } + tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1); return work_done; tx_recovery: @@ -10732,7 +10740,7 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) if (tg3_flag(tp, ENABLE_APE)) /* Write our heartbeat update interval to APE. */ tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS, - APE_HOST_HEARTBEAT_INT_DISABLE); + APE_HOST_HEARTBEAT_INT_5SEC); tg3_write_sig_post_reset(tp, RESET_KIND_INIT); @@ -11077,6 +11085,9 @@ static void tg3_timer(struct timer_list *t) tp->asf_counter = tp->asf_multiplier; } + /* Update the APE heartbeat every 5 seconds.*/ + tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL); + spin_unlock(&tp->lock); restart_timer: @@ -16653,6 +16664,8 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) pci_state_reg); tg3_ape_lock_init(tp); + tp->ape_hb_interval = + msecs_to_jiffies(APE_HOST_HEARTBEAT_INT_5SEC); } /* Set up tp->grc_local_ctrl before calling diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 47f51cc..1d61aa3 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -2508,6 +2508,7 @@ #define TG3_APE_LOCK_PHY3 5 #define TG3_APE_LOCK_GPIO 7 +#define TG3_APE_HB_INTERVAL (tp->ape_hb_interval) #define TG3_EEPROM_SB_F1R2_MBA_OFF 0x10 @@ -3423,6 +3424,10 @@ struct tg3 { struct device *hwmon_dev; bool link_up; bool pcierr_recovery; + + u32 ape_hb; + unsigned long ape_hb_interval; + unsigned long ape_hb_jiffies; }; /* Accessor macros for chip and asic attributes diff --git a/drivers/net/ethernet/cavium/common/cavium_ptp.c b/drivers/net/ethernet/cavium/common/cavium_ptp.c index c87c9c6..d59497a 100644 --- a/drivers/net/ethernet/cavium/common/cavium_ptp.c +++ b/drivers/net/ethernet/cavium/common/cavium_ptp.c @@ -75,6 +75,8 @@ EXPORT_SYMBOL(cavium_ptp_get); void cavium_ptp_put(struct cavium_ptp *ptp) { + if (!ptp) + return; pci_dev_put(ptp->pdev); } EXPORT_SYMBOL(cavium_ptp_put); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index b68cde9..7d9c5ff 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -67,11 +67,6 @@ module_param(cpi_alg, int, S_IRUGO); MODULE_PARM_DESC(cpi_alg, "PFC algorithm (0=none, 1=VLAN, 2=VLAN16, 3=IP Diffserv)"); -struct nicvf_xdp_tx { - u64 dma_addr; - u8 qidx; -}; - static inline u8 nicvf_netdev_qidx(struct nicvf *nic, u8 qidx) { if (nic->sqs_mode) @@ -507,29 +502,14 @@ static int nicvf_init_resources(struct nicvf *nic) return 0; } -static void nicvf_unmap_page(struct nicvf *nic, struct page *page, u64 dma_addr) -{ - /* Check if it's a recycled page, if not unmap the DMA mapping. - * Recycled page holds an extra reference. - */ - if (page_ref_count(page) == 1) { - dma_addr &= PAGE_MASK; - dma_unmap_page_attrs(&nic->pdev->dev, dma_addr, - RCV_FRAG_LEN + XDP_HEADROOM, - DMA_FROM_DEVICE, - DMA_ATTR_SKIP_CPU_SYNC); - } -} - static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, struct cqe_rx_t *cqe_rx, struct snd_queue *sq, struct rcv_queue *rq, struct sk_buff **skb) { struct xdp_buff xdp; struct page *page; - struct nicvf_xdp_tx *xdp_tx = NULL; u32 action; - u16 len, err, offset = 0; + u16 len, offset = 0; u64 dma_addr, cpu_addr; void *orig_data; @@ -543,7 +523,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, cpu_addr = (u64)phys_to_virt(cpu_addr); page = virt_to_page((void *)cpu_addr); - xdp.data_hard_start = page_address(page) + RCV_BUF_HEADROOM; + xdp.data_hard_start = page_address(page); xdp.data = (void *)cpu_addr; xdp_set_data_meta_invalid(&xdp); xdp.data_end = xdp.data + len; @@ -563,7 +543,18 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, switch (action) { case XDP_PASS: - nicvf_unmap_page(nic, page, dma_addr); + /* Check if it's a recycled page, if not + * unmap the DMA mapping. + * + * Recycled page holds an extra reference. + */ + if (page_ref_count(page) == 1) { + dma_addr &= PAGE_MASK; + dma_unmap_page_attrs(&nic->pdev->dev, dma_addr, + RCV_FRAG_LEN + XDP_PACKET_HEADROOM, + DMA_FROM_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); + } /* Build SKB and pass on packet to network stack */ *skb = build_skb(xdp.data, @@ -576,20 +567,6 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, case XDP_TX: nicvf_xdp_sq_append_pkt(nic, sq, (u64)xdp.data, dma_addr, len); return true; - case XDP_REDIRECT: - /* Save DMA address for use while transmitting */ - xdp_tx = (struct nicvf_xdp_tx *)page_address(page); - xdp_tx->dma_addr = dma_addr; - xdp_tx->qidx = nicvf_netdev_qidx(nic, cqe_rx->rq_idx); - - err = xdp_do_redirect(nic->pnicvf->netdev, &xdp, prog); - if (!err) - return true; - - /* Free the page on error */ - nicvf_unmap_page(nic, page, dma_addr); - put_page(page); - break; default: bpf_warn_invalid_xdp_action(action); /* fall through */ @@ -597,7 +574,18 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, trace_xdp_exception(nic->netdev, prog, action); /* fall through */ case XDP_DROP: - nicvf_unmap_page(nic, page, dma_addr); + /* Check if it's a recycled page, if not + * unmap the DMA mapping. + * + * Recycled page holds an extra reference. + */ + if (page_ref_count(page) == 1) { + dma_addr &= PAGE_MASK; + dma_unmap_page_attrs(&nic->pdev->dev, dma_addr, + RCV_FRAG_LEN + XDP_PACKET_HEADROOM, + DMA_FROM_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); + } put_page(page); return true; } @@ -1864,50 +1852,6 @@ static int nicvf_xdp(struct net_device *netdev, struct netdev_bpf *xdp) } } -static int nicvf_xdp_xmit(struct net_device *netdev, struct xdp_buff *xdp) -{ - struct nicvf *nic = netdev_priv(netdev); - struct nicvf *snic = nic; - struct nicvf_xdp_tx *xdp_tx; - struct snd_queue *sq; - struct page *page; - int err, qidx; - - if (!netif_running(netdev) || !nic->xdp_prog) - return -EINVAL; - - page = virt_to_page(xdp->data); - xdp_tx = (struct nicvf_xdp_tx *)page_address(page); - qidx = xdp_tx->qidx; - - if (xdp_tx->qidx >= nic->xdp_tx_queues) - return -EINVAL; - - /* Get secondary Qset's info */ - if (xdp_tx->qidx >= MAX_SND_QUEUES_PER_QS) { - qidx = xdp_tx->qidx / MAX_SND_QUEUES_PER_QS; - snic = (struct nicvf *)nic->snicvf[qidx - 1]; - if (!snic) - return -EINVAL; - qidx = xdp_tx->qidx % MAX_SND_QUEUES_PER_QS; - } - - sq = &snic->qs->sq[qidx]; - err = nicvf_xdp_sq_append_pkt(snic, sq, (u64)xdp->data, - xdp_tx->dma_addr, - xdp->data_end - xdp->data); - if (err) - return -ENOMEM; - - nicvf_xdp_sq_doorbell(snic, sq, qidx); - return 0; -} - -static void nicvf_xdp_flush(struct net_device *dev) -{ - return; -} - static int nicvf_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr) { struct hwtstamp_config config; @@ -1986,8 +1930,6 @@ static const struct net_device_ops nicvf_netdev_ops = { .ndo_fix_features = nicvf_fix_features, .ndo_set_features = nicvf_set_features, .ndo_bpf = nicvf_xdp, - .ndo_xdp_xmit = nicvf_xdp_xmit, - .ndo_xdp_flush = nicvf_xdp_flush, .ndo_do_ioctl = nicvf_ioctl, }; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 3eae9ff..d42704d 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -204,7 +204,7 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, struct rbdr *rbdr, /* Reserve space for header modifications by BPF program */ if (rbdr->is_xdp) - buf_len += XDP_HEADROOM; + buf_len += XDP_PACKET_HEADROOM; /* Check if it's recycled */ if (pgcache) @@ -224,9 +224,8 @@ ret: nic->rb_page = NULL; return -ENOMEM; } - if (pgcache) - pgcache->dma_addr = *rbuf + XDP_HEADROOM; + pgcache->dma_addr = *rbuf + XDP_PACKET_HEADROOM; nic->rb_page_offset += buf_len; } @@ -1244,7 +1243,7 @@ int nicvf_xdp_sq_append_pkt(struct nicvf *nic, struct snd_queue *sq, int qentry; if (subdesc_cnt > sq->xdp_free_cnt) - return -1; + return 0; qentry = nicvf_get_sq_desc(sq, subdesc_cnt); @@ -1255,7 +1254,7 @@ int nicvf_xdp_sq_append_pkt(struct nicvf *nic, struct snd_queue *sq, sq->xdp_desc_cnt += subdesc_cnt; - return 0; + return 1; } /* Calculate no of SQ subdescriptors needed to transmit all @@ -1656,7 +1655,7 @@ static void nicvf_unmap_rcv_buffer(struct nicvf *nic, u64 dma_addr, if (page_ref_count(page) != 1) return; - len += XDP_HEADROOM; + len += XDP_PACKET_HEADROOM; /* Receive buffers in XDP mode are mapped from page start */ dma_addr &= PAGE_MASK; } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index ce1eed7..5e9a03c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -11,7 +11,6 @@ #include <linux/netdevice.h> #include <linux/iommu.h> -#include <linux/bpf.h> #include <net/xdp.h> #include "q_struct.h" @@ -94,9 +93,6 @@ #define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) -#define RCV_BUF_HEADROOM 128 /* To store dma address for XDP redirect */ -#define XDP_HEADROOM (XDP_PACKET_HEADROOM + RCV_BUF_HEADROOM) - #define MAX_CQES_FOR_TX ((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \ MAX_CQE_PER_PKT_XMIT) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 557fd8b..00a1d2d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -472,7 +472,7 @@ int cudbg_collect_cim_la(struct cudbg_init *pdbg_init, if (is_t6(padap->params.chip)) { size = padap->params.cim_la_size / 10 + 1; - size *= 11 * sizeof(u32); + size *= 10 * sizeof(u32); } else { size = padap->params.cim_la_size / 8; size *= 8 * sizeof(u32); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c index 30485f9..143686c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c @@ -102,7 +102,7 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity) case CUDBG_CIM_LA: if (is_t6(adap->params.chip)) { len = adap->params.cim_la_size / 10 + 1; - len *= 11 * sizeof(u32); + len *= 10 * sizeof(u32); } else { len = adap->params.cim_la_size / 8; len *= 8 * sizeof(u32); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 56bc626..61022b5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4970,7 +4970,6 @@ static void cxgb4_mgmt_setup(struct net_device *dev) /* Initialize the device structure. */ dev->netdev_ops = &cxgb4_mgmt_netdev_ops; dev->ethtool_ops = &cxgb4_mgmt_ethtool_ops; - dev->needs_free_netdev = true; } static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) @@ -4982,9 +4981,10 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) pcie_fw = readl(adap->regs + PCIE_FW_A); /* Check if cxgb4 is the MASTER and fw is initialized */ - if (!(pcie_fw & PCIE_FW_INIT_F) || + if (num_vfs && + (!(pcie_fw & PCIE_FW_INIT_F) || !(pcie_fw & PCIE_FW_MASTER_VLD_F) || - PCIE_FW_MASTER_G(pcie_fw) != CXGB4_UNIFIED_PF) { + PCIE_FW_MASTER_G(pcie_fw) != CXGB4_UNIFIED_PF)) { dev_warn(&pdev->dev, "cxgb4 driver needs to be MASTER to support SRIOV\n"); return -EOPNOTSUPP; @@ -5180,6 +5180,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->name = pci_name(pdev); adapter->mbox = func; adapter->pf = func; + adapter->params.chip = chip; + adapter->adap_idx = adap_idx; adapter->msg_enable = DFLT_MSG_ENABLE; adapter->mbox_log = kzalloc(sizeof(*adapter->mbox_log) + (sizeof(struct mbox_cmd) * @@ -5599,24 +5601,24 @@ static void remove_one(struct pci_dev *pdev) #if IS_ENABLED(CONFIG_IPV6) t4_cleanup_clip_tbl(adapter); #endif - iounmap(adapter->regs); if (!is_t4(adapter->params.chip)) iounmap(adapter->bar2); - pci_disable_pcie_error_reporting(pdev); - if ((adapter->flags & DEV_ENABLED)) { - pci_disable_device(pdev); - adapter->flags &= ~DEV_ENABLED; - } - pci_release_regions(pdev); - kfree(adapter->mbox_log); - synchronize_rcu(); - kfree(adapter); } #ifdef CONFIG_PCI_IOV else { cxgb4_iov_configure(adapter->pdev, 0); } #endif + iounmap(adapter->regs); + pci_disable_pcie_error_reporting(pdev); + if ((adapter->flags & DEV_ENABLED)) { + pci_disable_device(pdev); + adapter->flags &= ~DEV_ENABLED; + } + pci_release_regions(pdev); + kfree(adapter->mbox_log); + synchronize_rcu(); + kfree(adapter); } /* "Shutdown" quiesces the device, stopping Ingress Packet and Interrupt diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 047609e..920bccd 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2637,7 +2637,6 @@ void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size) } #define EEPROM_STAT_ADDR 0x7bfc -#define VPD_SIZE 0x800 #define VPD_BASE 0x400 #define VPD_BASE_OLD 0 #define VPD_LEN 1024 @@ -2704,15 +2703,6 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p) if (!vpd) return -ENOMEM; - /* We have two VPD data structures stored in the adapter VPD area. - * By default, Linux calculates the size of the VPD area by traversing - * the first VPD area at offset 0x0, so we need to tell the OS what - * our real VPD size is. - */ - ret = pci_set_vpd_size(adapter->pdev, VPD_SIZE); - if (ret < 0) - goto out; - /* Card information normally starts at VPD_BASE but early cards had * it at 0. */ diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 5eb999a..bd3f6e4 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -540,6 +540,7 @@ static int gmac_setup_txqs(struct net_device *netdev) if (port->txq_dma_base & ~DMA_Q_BASE_MASK) { dev_warn(geth->dev, "TX queue base it not aligned\n"); + kfree(skb_tab); return -ENOMEM; } diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 7caa8da..e4ec32a 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2008,7 +2008,6 @@ static inline int dpaa_xmit(struct dpaa_priv *priv, } if (unlikely(err < 0)) { - percpu_stats->tx_errors++; percpu_stats->tx_fifo_errors++; return err; } @@ -2278,7 +2277,6 @@ static enum qman_cb_dqrr_result rx_default_dqrr(struct qman_portal *portal, vaddr = phys_to_virt(addr); prefetch(vaddr + qm_fd_get_offset(fd)); - fd_format = qm_fd_get_format(fd); /* The only FD types that we may receive are contig and S/G */ WARN_ON((fd_format != qm_fd_contig) && (fd_format != qm_fd_sg)); @@ -2311,8 +2309,10 @@ static enum qman_cb_dqrr_result rx_default_dqrr(struct qman_portal *portal, skb_len = skb->len; - if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) + if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) { + percpu_stats->rx_dropped++; return qman_cb_dqrr_consume; + } percpu_stats->rx_packets++; percpu_stats->rx_bytes += skb_len; @@ -2860,7 +2860,7 @@ static int dpaa_remove(struct platform_device *pdev) struct device *dev; int err; - dev = &pdev->dev; + dev = pdev->dev.parent; net_dev = dev_get_drvdata(dev); priv = netdev_priv(net_dev); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 7a7f3a4..d4604bc 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3600,6 +3600,8 @@ fec_drv_remove(struct platform_device *pdev) fec_enet_mii_remove(fep); if (fep->reg_phy) regulator_disable(fep->reg_phy); + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); of_node_put(fep->phy_node); diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c index ea43b49..7af31dd 100644 --- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c +++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c @@ -1100,7 +1100,7 @@ int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) set_bucket(dtsec->regs, bucket, true); /* Create element to be added to the driver hash table */ - hash_entry = kmalloc(sizeof(*hash_entry), GFP_KERNEL); + hash_entry = kmalloc(sizeof(*hash_entry), GFP_ATOMIC); if (!hash_entry) return -ENOMEM; hash_entry->addr = addr; diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 3bdeb29..f27f9ba 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2934,29 +2934,17 @@ static bool gfar_add_rx_frag(struct gfar_rx_buff *rxb, u32 lstatus, { int size = lstatus & BD_LENGTH_MASK; struct page *page = rxb->page; - bool last = !!(lstatus & BD_LFLAG(RXBD_LAST)); - - /* Remove the FCS from the packet length */ - if (last) - size -= ETH_FCS_LEN; if (likely(first)) { skb_put(skb, size); } else { /* the last fragments' length contains the full frame length */ - if (last) + if (lstatus & BD_LFLAG(RXBD_LAST)) size -= skb->len; - /* Add the last fragment if it contains something other than - * the FCS, otherwise drop it and trim off any part of the FCS - * that was already received. - */ - if (size > 0) - skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - rxb->page_offset + RXBUF_ALIGNMENT, - size, GFAR_RXB_TRUESIZE); - else if (size < 0) - pskb_trim(skb, skb->len + size); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, + rxb->page_offset + RXBUF_ALIGNMENT, + size, GFAR_RXB_TRUESIZE); } /* try reuse page */ @@ -3069,12 +3057,12 @@ static void gfar_process_frame(struct net_device *ndev, struct sk_buff *skb) if (priv->padding) skb_pull(skb, priv->padding); + /* Trim off the FCS */ + pskb_trim(skb, skb->len - ETH_FCS_LEN); + if (ndev->features & NETIF_F_RXCSUM) gfar_rx_checksum(skb, fcb); - /* Tell the skb what kind of packet this is */ - skb->protocol = eth_type_trans(skb, ndev); - /* There's need to check for NETIF_F_HW_VLAN_CTAG_RX here. * Even if vlan rx accel is disabled, on some chips * RXFCB_VLN is pseudo randomly set. @@ -3145,13 +3133,15 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit) continue; } + gfar_process_frame(ndev, skb); + /* Increment the number of packets */ total_pkts++; total_bytes += skb->len; skb_record_rx_queue(skb, rx_queue->qindex); - gfar_process_frame(ndev, skb); + skb->protocol = eth_type_trans(skb, ndev); /* Send the packet up the stack */ napi_gro_receive(&rx_queue->grp->napi_rx, skb); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index 86944bc..74bd260 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -666,7 +666,7 @@ static void hns_gmac_get_strings(u32 stringset, u8 *data) static int hns_gmac_get_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return ARRAY_SIZE(g_gmac_stats_string); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c index b62816c..93e71e2 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c @@ -422,7 +422,7 @@ void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb) int hns_ppe_get_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return ETH_PPE_STATIC_NUM; return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c index 6f3570c..e2e2853 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c @@ -876,7 +876,7 @@ void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data) */ int hns_rcb_get_ring_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return HNS_RING_STATIC_REG_NUM; return 0; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 7ea7f8a..2e14a3a 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -993,8 +993,10 @@ int hns_get_sset_count(struct net_device *netdev, int stringset) cnt--; return cnt; - } else { + } else if (stringset == ETH_SS_STATS) { return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset)); + } else { + return -EOPNOTSUPP; } } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 2744726..1b3cc8b 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -791,6 +791,18 @@ static int ibmvnic_login(struct net_device *netdev) return 0; } +static void release_login_buffer(struct ibmvnic_adapter *adapter) +{ + kfree(adapter->login_buf); + adapter->login_buf = NULL; +} + +static void release_login_rsp_buffer(struct ibmvnic_adapter *adapter) +{ + kfree(adapter->login_rsp_buf); + adapter->login_rsp_buf = NULL; +} + static void release_resources(struct ibmvnic_adapter *adapter) { int i; @@ -813,6 +825,10 @@ static void release_resources(struct ibmvnic_adapter *adapter) } } } + kfree(adapter->napi); + adapter->napi = NULL; + + release_login_rsp_buffer(adapter); } static int set_link_state(struct ibmvnic_adapter *adapter, u8 link_state) @@ -1057,6 +1073,35 @@ static int ibmvnic_open(struct net_device *netdev) return rc; } +static void clean_rx_pools(struct ibmvnic_adapter *adapter) +{ + struct ibmvnic_rx_pool *rx_pool; + u64 rx_entries; + int rx_scrqs; + int i, j; + + if (!adapter->rx_pool) + return; + + rx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_rxadd_subcrqs); + rx_entries = adapter->req_rx_add_entries_per_subcrq; + + /* Free any remaining skbs in the rx buffer pools */ + for (i = 0; i < rx_scrqs; i++) { + rx_pool = &adapter->rx_pool[i]; + if (!rx_pool) + continue; + + netdev_dbg(adapter->netdev, "Cleaning rx_pool[%d]\n", i); + for (j = 0; j < rx_entries; j++) { + if (rx_pool->rx_buff[j].skb) { + dev_kfree_skb_any(rx_pool->rx_buff[j].skb); + rx_pool->rx_buff[j].skb = NULL; + } + } + } +} + static void clean_tx_pools(struct ibmvnic_adapter *adapter) { struct ibmvnic_tx_pool *tx_pool; @@ -1134,7 +1179,7 @@ static int __ibmvnic_close(struct net_device *netdev) } } } - + clean_rx_pools(adapter); clean_tx_pools(adapter); adapter->state = VNIC_CLOSED; return rc; @@ -1670,8 +1715,6 @@ static int do_reset(struct ibmvnic_adapter *adapter, return 0; } - netif_carrier_on(netdev); - /* kick napi */ for (i = 0; i < adapter->req_rx_queues; i++) napi_schedule(&adapter->napi[i]); @@ -1679,6 +1722,8 @@ static int do_reset(struct ibmvnic_adapter *adapter, if (adapter->reset_reason != VNIC_RESET_FAILOVER) netdev_notify_peers(netdev); + netif_carrier_on(netdev); + return 0; } @@ -1853,6 +1898,12 @@ restart_poll: be16_to_cpu(next->rx_comp.rc)); /* free the entry */ next->rx_comp.first = 0; + dev_kfree_skb_any(rx_buff->skb); + remove_buff_from_pool(adapter, rx_buff); + continue; + } else if (!rx_buff->skb) { + /* free the entry */ + next->rx_comp.first = 0; remove_buff_from_pool(adapter, rx_buff); continue; } @@ -3013,6 +3064,7 @@ static void send_login(struct ibmvnic_adapter *adapter) struct vnic_login_client_data *vlcd; int i; + release_login_rsp_buffer(adapter); client_data_len = vnic_client_data_len(adapter); buffer_size = @@ -3738,6 +3790,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, ibmvnic_remove(adapter->vdev); return -EIO; } + release_login_buffer(adapter); complete(&adapter->init_done); return 0; diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h index afb7ebe..824fd44 100644 --- a/drivers/net/ethernet/intel/e1000e/defines.h +++ b/drivers/net/ethernet/intel/e1000e/defines.h @@ -400,6 +400,10 @@ #define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */ #define E1000_ICR_RXO 0x00000040 /* Receiver Overrun */ #define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */ +#define E1000_ICR_MDAC 0x00000200 /* MDIO Access Complete */ +#define E1000_ICR_SRPD 0x00010000 /* Small Receive Packet Detected */ +#define E1000_ICR_ACK 0x00020000 /* Receive ACK Frame Detected */ +#define E1000_ICR_MNG 0x00040000 /* Manageability Event Detected */ #define E1000_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */ /* If this bit asserted, the driver should claim the interrupt */ #define E1000_ICR_INT_ASSERTED 0x80000000 @@ -407,7 +411,7 @@ #define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */ #define E1000_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */ #define E1000_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */ -#define E1000_ICR_OTHER 0x01000000 /* Other Interrupts */ +#define E1000_ICR_OTHER 0x01000000 /* Other Interrupt */ /* PBA ECC Register */ #define E1000_PBA_ECC_COUNTER_MASK 0xFFF00000 /* ECC counter mask */ @@ -431,12 +435,27 @@ E1000_IMS_RXSEQ | \ E1000_IMS_LSC) +/* These are all of the events related to the OTHER interrupt. + */ +#define IMS_OTHER_MASK ( \ + E1000_IMS_LSC | \ + E1000_IMS_RXO | \ + E1000_IMS_MDAC | \ + E1000_IMS_SRPD | \ + E1000_IMS_ACK | \ + E1000_IMS_MNG) + /* Interrupt Mask Set */ #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */ #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */ #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */ #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */ +#define E1000_IMS_RXO E1000_ICR_RXO /* Receiver Overrun */ #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */ +#define E1000_IMS_MDAC E1000_ICR_MDAC /* MDIO Access Complete */ +#define E1000_IMS_SRPD E1000_ICR_SRPD /* Small Receive Packet */ +#define E1000_IMS_ACK E1000_ICR_ACK /* Receive ACK Frame Detected */ +#define E1000_IMS_MNG E1000_ICR_MNG /* Manageability Event */ #define E1000_IMS_ECCER E1000_ICR_ECCER /* Uncorrectable ECC Error */ #define E1000_IMS_RXQ0 E1000_ICR_RXQ0 /* Rx Queue 0 Interrupt */ #define E1000_IMS_RXQ1 E1000_ICR_RXQ1 /* Rx Queue 1 Interrupt */ diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 31277d3..1dddfb7 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1367,9 +1367,6 @@ out: * Checks to see of the link status of the hardware has changed. If a * change in link status has been detected, then we read the PHY registers * to get the current speed/duplex if link exists. - * - * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link - * up). **/ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) { @@ -1385,7 +1382,8 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) * Change or Rx Sequence Error interrupt. */ if (!mac->get_link_status) - return 1; + return 0; + mac->get_link_status = false; /* First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex @@ -1393,12 +1391,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) */ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) - return ret_val; + goto out; if (hw->mac.type == e1000_pchlan) { ret_val = e1000_k1_gig_workaround_hv(hw, link); if (ret_val) - return ret_val; + goto out; } /* When connected at 10Mbps half-duplex, some parts are excessively @@ -1431,7 +1429,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; if (hw->mac.type == e1000_pch2lan) emi_addr = I82579_RX_CONFIG; @@ -1453,7 +1451,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; if (hw->mac.type >= e1000_pch_spt) { u16 data; @@ -1462,14 +1460,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (speed == SPEED_1000) { ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; ret_val = e1e_rphy_locked(hw, PHY_REG(776, 20), &data); if (ret_val) { hw->phy.ops.release(hw); - return ret_val; + goto out; } ptr_gap = (data & (0x3FF << 2)) >> 2; @@ -1483,18 +1481,18 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) } hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; } else { ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; ret_val = e1e_wphy_locked(hw, PHY_REG(776, 20), 0xC023); hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; } } @@ -1521,7 +1519,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) { ret_val = e1000_k1_workaround_lpt_lp(hw, link); if (ret_val) - return ret_val; + goto out; } if (hw->mac.type >= e1000_pch_lpt) { /* Set platform power management values for @@ -1529,7 +1527,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) */ ret_val = e1000_platform_pm_pch_lpt(hw, link); if (ret_val) - return ret_val; + goto out; } /* Clear link partner's EEE ability */ @@ -1552,9 +1550,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) } if (!link) - return 0; /* No link detected */ - - mac->get_link_status = false; + goto out; switch (hw->mac.type) { case e1000_pch2lan: @@ -1616,12 +1612,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) * different link partner. */ ret_val = e1000e_config_fc_after_link_up(hw); - if (ret_val) { + if (ret_val) e_dbg("Error configuring flow control\n"); - return ret_val; - } - return 1; + return ret_val; + +out: + mac->get_link_status = true; + return ret_val; } static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c index f457c57..5bdc3a2d 100644 --- a/drivers/net/ethernet/intel/e1000e/mac.c +++ b/drivers/net/ethernet/intel/e1000e/mac.c @@ -410,9 +410,6 @@ void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw) * Checks to see of the link status of the hardware has changed. If a * change in link status has been detected, then we read the PHY registers * to get the current speed/duplex if link exists. - * - * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link - * up). **/ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) { @@ -426,20 +423,16 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) * Change or Rx Sequence Error interrupt. */ if (!mac->get_link_status) - return 1; + return 0; + mac->get_link_status = false; /* First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex * of the PHY. */ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); - if (ret_val) - return ret_val; - - if (!link) - return 0; /* No link detected */ - - mac->get_link_status = false; + if (ret_val || !link) + goto out; /* Check if there was DownShift, must be checked * immediately after link-up @@ -464,12 +457,14 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) * different link partner. */ ret_val = e1000e_config_fc_after_link_up(hw); - if (ret_val) { + if (ret_val) e_dbg("Error configuring flow control\n"); - return ret_val; - } - return 1; + return ret_val; + +out: + mac->get_link_status = true; + return ret_val; } /** diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 1298b69..dc853b0 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -1914,30 +1914,20 @@ static irqreturn_t e1000_msix_other(int __always_unused irq, void *data) struct net_device *netdev = data; struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 icr; - bool enable = true; - - icr = er32(ICR); - if (icr & E1000_ICR_RXO) { - ew32(ICR, E1000_ICR_RXO); - enable = false; - /* napi poll will re-enable Other, make sure it runs */ - if (napi_schedule_prep(&adapter->napi)) { - adapter->total_rx_bytes = 0; - adapter->total_rx_packets = 0; - __napi_schedule(&adapter->napi); - } - } + u32 icr = er32(ICR); + + if (icr & adapter->eiac_mask) + ew32(ICS, (icr & adapter->eiac_mask)); + if (icr & E1000_ICR_LSC) { - ew32(ICR, E1000_ICR_LSC); hw->mac.get_link_status = true; /* guard against interrupt when we're going down */ if (!test_bit(__E1000_DOWN, &adapter->state)) mod_timer(&adapter->watchdog_timer, jiffies + 1); } - if (enable && !test_bit(__E1000_DOWN, &adapter->state)) - ew32(IMS, E1000_IMS_OTHER); + if (!test_bit(__E1000_DOWN, &adapter->state)) + ew32(IMS, E1000_IMS_OTHER | IMS_OTHER_MASK); return IRQ_HANDLED; } @@ -2040,7 +2030,6 @@ static void e1000_configure_msix(struct e1000_adapter *adapter) hw->hw_addr + E1000_EITR_82574(vector)); else writel(1, hw->hw_addr + E1000_EITR_82574(vector)); - adapter->eiac_mask |= E1000_IMS_OTHER; /* Cause Tx interrupts on every write back */ ivar |= BIT(31); @@ -2265,7 +2254,8 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) if (adapter->msix_entries) { ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574); - ew32(IMS, adapter->eiac_mask | E1000_IMS_LSC); + ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | + IMS_OTHER_MASK); } else if (hw->mac.type >= e1000_pch_lpt) { ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER); } else { @@ -2333,8 +2323,8 @@ static int e1000_alloc_ring_dma(struct e1000_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; - ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma, - GFP_KERNEL); + ring->desc = dma_zalloc_coherent(&pdev->dev, ring->size, &ring->dma, + GFP_KERNEL); if (!ring->desc) return -ENOMEM; @@ -2707,8 +2697,7 @@ static int e1000e_poll(struct napi_struct *napi, int weight) napi_complete_done(napi, work_done); if (!test_bit(__E1000_DOWN, &adapter->state)) { if (adapter->msix_entries) - ew32(IMS, adapter->rx_ring->ims_val | - E1000_IMS_OTHER); + ew32(IMS, adapter->rx_ring->ims_val); else e1000_irq_enable(adapter); } @@ -5101,7 +5090,7 @@ static bool e1000e_has_link(struct e1000_adapter *adapter) case e1000_media_type_copper: if (hw->mac.get_link_status) { ret_val = hw->mac.ops.check_for_link(hw); - link_active = ret_val > 0; + link_active = !hw->mac.get_link_status; } else { link_active = true; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 0da5aa2..9fc063a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1888,6 +1888,14 @@ static void ixgbe_dma_sync_frag(struct ixgbe_ring *rx_ring, ixgbe_rx_pg_size(rx_ring), DMA_FROM_DEVICE, IXGBE_RX_DMA_ATTR); + } else if (ring_uses_build_skb(rx_ring)) { + unsigned long offset = (unsigned long)(skb->data) & ~PAGE_MASK; + + dma_sync_single_range_for_cpu(rx_ring->dev, + IXGBE_CB(skb)->dma, + offset, + skb_headlen(skb), + DMA_FROM_DEVICE); } else { struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0]; diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index a1d7b88..5a1668c 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -7137,6 +7137,7 @@ static void mvpp2_set_rx_mode(struct net_device *dev) int id = port->id; bool allmulti = dev->flags & IFF_ALLMULTI; +retry: mvpp2_prs_mac_promisc_set(priv, id, dev->flags & IFF_PROMISC); mvpp2_prs_mac_multi_set(priv, id, MVPP2_PE_MAC_MC_ALL, allmulti); mvpp2_prs_mac_multi_set(priv, id, MVPP2_PE_MAC_MC_IP6, allmulti); @@ -7144,9 +7145,13 @@ static void mvpp2_set_rx_mode(struct net_device *dev) /* Remove all port->id's mcast enries */ mvpp2_prs_mcast_del_all(priv, id); - if (allmulti && !netdev_mc_empty(dev)) { - netdev_for_each_mc_addr(ha, dev) - mvpp2_prs_mac_da_accept(priv, id, ha->addr, true); + if (!allmulti) { + netdev_for_each_mc_addr(ha, dev) { + if (mvpp2_prs_mac_da_accept(priv, id, ha->addr, true)) { + allmulti = true; + goto retry; + } + } } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c index 0be4575..fd50916 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c @@ -96,10 +96,10 @@ static void print_lyr_2_4_hdrs(struct trace_seq *p, "%pI4"); } else if (ethertype.v == ETH_P_IPV6) { static const struct in6_addr full_ones = { - .in6_u.u6_addr32 = {htonl(0xffffffff), - htonl(0xffffffff), - htonl(0xffffffff), - htonl(0xffffffff)}, + .in6_u.u6_addr32 = {__constant_htonl(0xffffffff), + __constant_htonl(0xffffffff), + __constant_htonl(0xffffffff), + __constant_htonl(0xffffffff)}, }; DECLARE_MASK_VAL(struct in6_addr, src_ipv6); DECLARE_MASK_VAL(struct in6_addr, dst_ipv6); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 47bab84..da94c8c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -1768,13 +1768,16 @@ static void mlx5e_build_rq_param(struct mlx5e_priv *priv, param->wq.linear = 1; } -static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param) +static void mlx5e_build_drop_rq_param(struct mlx5_core_dev *mdev, + struct mlx5e_rq_param *param) { void *rqc = param->rqc; void *wq = MLX5_ADDR_OF(rqc, rqc, wq); MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); + + param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev); } static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, @@ -2634,6 +2637,9 @@ static int mlx5e_alloc_drop_cq(struct mlx5_core_dev *mdev, struct mlx5e_cq *cq, struct mlx5e_cq_param *param) { + param->wq.buf_numa_node = dev_to_node(&mdev->pdev->dev); + param->wq.db_numa_node = dev_to_node(&mdev->pdev->dev); + return mlx5e_alloc_cq_common(mdev, param, cq); } @@ -2645,7 +2651,7 @@ static int mlx5e_open_drop_rq(struct mlx5_core_dev *mdev, struct mlx5e_cq *cq = &drop_rq->cq; int err; - mlx5e_build_drop_rq_param(&rq_param); + mlx5e_build_drop_rq_param(mdev, &rq_param); err = mlx5e_alloc_drop_cq(mdev, cq, &cq_param); if (err) @@ -2994,8 +3000,8 @@ static int mlx5e_setup_tc_block(struct net_device *dev, } #endif -int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type, - void *type_data) +static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type, + void *type_data) { switch (type) { #ifdef CONFIG_MLX5_ESWITCH diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 0d4bb06..e5c3ab4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -36,6 +36,7 @@ #include <linux/tcp.h> #include <linux/bpf_trace.h> #include <net/busy_poll.h> +#include <net/ip6_checksum.h> #include "en.h" #include "en_tc.h" #include "eswitch.h" @@ -546,20 +547,33 @@ bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq) return true; } +static void mlx5e_lro_update_tcp_hdr(struct mlx5_cqe64 *cqe, struct tcphdr *tcp) +{ + u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe); + u8 tcp_ack = (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA) || + (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA); + + tcp->check = 0; + tcp->psh = get_cqe_lro_tcppsh(cqe); + + if (tcp_ack) { + tcp->ack = 1; + tcp->ack_seq = cqe->lro_ack_seq_num; + tcp->window = cqe->lro_tcp_win; + } +} + static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { struct ethhdr *eth = (struct ethhdr *)(skb->data); struct tcphdr *tcp; int network_depth = 0; + __wsum check; __be16 proto; u16 tot_len; void *ip_p; - u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe); - u8 tcp_ack = (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA) || - (l4_hdr_type == CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA); - proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth); tot_len = cqe_bcnt - network_depth; @@ -576,23 +590,30 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe, ipv4->check = 0; ipv4->check = ip_fast_csum((unsigned char *)ipv4, ipv4->ihl); + + mlx5e_lro_update_tcp_hdr(cqe, tcp); + check = csum_partial(tcp, tcp->doff * 4, + csum_unfold((__force __sum16)cqe->check_sum)); + /* Almost done, don't forget the pseudo header */ + tcp->check = csum_tcpudp_magic(ipv4->saddr, ipv4->daddr, + tot_len - sizeof(struct iphdr), + IPPROTO_TCP, check); } else { + u16 payload_len = tot_len - sizeof(struct ipv6hdr); struct ipv6hdr *ipv6 = ip_p; tcp = ip_p + sizeof(struct ipv6hdr); skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; ipv6->hop_limit = cqe->lro_min_ttl; - ipv6->payload_len = cpu_to_be16(tot_len - - sizeof(struct ipv6hdr)); - } - - tcp->psh = get_cqe_lro_tcppsh(cqe); - - if (tcp_ack) { - tcp->ack = 1; - tcp->ack_seq = cqe->lro_ack_seq_num; - tcp->window = cqe->lro_tcp_win; + ipv6->payload_len = cpu_to_be16(payload_len); + + mlx5e_lro_update_tcp_hdr(cqe, tcp); + check = csum_partial(tcp, tcp->doff * 4, + csum_unfold((__force __sum16)cqe->check_sum)); + /* Almost done, don't forget the pseudo header */ + tcp->check = csum_ipv6_magic(&ipv6->saddr, &ipv6->daddr, payload_len, + IPPROTO_TCP, check); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c index 5a46082..7079764 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c @@ -216,7 +216,8 @@ mlx5e_test_loopback_validate(struct sk_buff *skb, if (iph->protocol != IPPROTO_UDP) goto out; - udph = udp_hdr(skb); + /* Don't assume skb_transport_header() was set */ + udph = (struct udphdr *)((u8 *)iph + 4 * iph->ihl); if (udph->dest != htons(9)) goto out; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index fd98b0d..fa86a14 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2529,7 +2529,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { - if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q)) + if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || + tcf_vlan_push_prio(a)) return -EOPNOTSUPP; attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 569b42a..11b4f10 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -176,7 +176,7 @@ static inline u16 mlx5e_calc_min_inline(enum mlx5_inline_modes mode, default: hlen = mlx5e_skb_l2_header_offset(skb); } - return min_t(u16, hlen, skb->len); + return min_t(u16, hlen, skb_headlen(skb)); } static inline void mlx5e_tx_skb_pull_inline(unsigned char **skb_data, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 5ecf2cd..c2b1d7d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1529,6 +1529,10 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num, esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num); + /* Create steering drop counters for ingress and egress ACLs */ + if (vport_num && esw->mode == SRIOV_LEGACY) + esw_vport_create_drop_counters(vport); + /* Restore old vport configuration */ esw_apply_vport_conf(esw, vport); @@ -1545,10 +1549,6 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, int vport_num, if (!vport_num) vport->info.trusted = true; - /* create steering drop counters for ingress and egress ACLs */ - if (vport_num && esw->mode == SRIOV_LEGACY) - esw_vport_create_drop_counters(vport); - esw_vport_change_handle_locked(vport); esw->enabled_vports++; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index c025c98..31fc2cf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1429,7 +1429,8 @@ static bool check_conflicting_actions(u32 action1, u32 action2) if (xored_actions & (MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_ENCAP | - MLX5_FLOW_CONTEXT_ACTION_DECAP)) + MLX5_FLOW_CONTEXT_ACTION_DECAP | + MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) return true; return false; @@ -1758,8 +1759,11 @@ search_again_locked: /* Collect all fgs which has a matching match_criteria */ err = build_match_list(&match_head, ft, spec); - if (err) + if (err) { + if (take_write) + up_write_ref_node(&ft->node); return ERR_PTR(err); + } if (!take_write) up_read_ref_node(&ft->node); @@ -1768,8 +1772,11 @@ search_again_locked: dest_num, version); free_match_list(&match_head); if (!IS_ERR(rule) || - (PTR_ERR(rule) != -ENOENT && PTR_ERR(rule) != -EAGAIN)) + (PTR_ERR(rule) != -ENOENT && PTR_ERR(rule) != -EAGAIN)) { + if (take_write) + up_write_ref_node(&ft->node); return rule; + } if (!take_write) { nested_down_write_ref_node(&ft->node, FS_LOCK_GRANDPARENT); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 21d29f7..d39b0b7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -124,7 +124,7 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force) trigger_cmd_completions(dev); } - mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 0); + mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 1); mlx5_core_err(dev, "end\n"); unlock: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index e159243..8570355 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -34,6 +34,7 @@ #include <linux/highmem.h> #include <rdma/mlx5-abi.h> #include "en.h" +#include "clock.h" enum { MLX5_CYCLES_SHIFT = 23 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 2ef641c9..ae391e4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -551,7 +551,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) MLX5_SET(cmd_hca_cap, set_hca_cap, cache_line_128byte, - cache_line_size() == 128 ? 1 : 0); + cache_line_size() >= 128 ? 1 : 0); if (MLX5_CAP_GEN_MAX(dev, dct)) MLX5_SET(cmd_hca_cap, set_hca_cap, dct, 1); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c index b698fb4..996dc09 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c @@ -443,6 +443,17 @@ int mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id) } EXPORT_SYMBOL(mlxsw_afa_block_jump); +int mlxsw_afa_block_terminate(struct mlxsw_afa_block *block) +{ + if (block->finished) + return -EINVAL; + mlxsw_afa_set_goto_set(block->cur_set, + MLXSW_AFA_SET_GOTO_BINDING_CMD_TERM, 0); + block->finished = true; + return 0; +} +EXPORT_SYMBOL(mlxsw_afa_block_terminate); + static struct mlxsw_afa_fwd_entry * mlxsw_afa_fwd_entry_create(struct mlxsw_afa *mlxsw_afa, u8 local_port) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h index 4313229..b91f2b0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h @@ -65,6 +65,7 @@ char *mlxsw_afa_block_first_set(struct mlxsw_afa_block *block); u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block); int mlxsw_afa_block_continue(struct mlxsw_afa_block *block); int mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id); +int mlxsw_afa_block_terminate(struct mlxsw_afa_block *block); int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block); int mlxsw_afa_block_append_trap(struct mlxsw_afa_block *block, u16 trap_id); int mlxsw_afa_block_append_trap_and_forward(struct mlxsw_afa_block *block, diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h index f6963b0..122506d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h @@ -107,20 +107,20 @@ static const struct mlxsw_afk_element_info mlxsw_afk_element_infos[] = { MLXSW_AFK_ELEMENT_INFO_U32(VID, 0x10, 8, 12), MLXSW_AFK_ELEMENT_INFO_U32(PCP, 0x10, 20, 3), MLXSW_AFK_ELEMENT_INFO_U32(TCP_FLAGS, 0x10, 23, 9), - MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x14, 0, 8), - MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x14, 9, 2), - MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x14, 11, 6), - MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x18, 0, 32), - MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x1C, 0, 32), - MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x18, 8), - MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x20, 8), - MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x28, 8), - MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x30, 8), MLXSW_AFK_ELEMENT_INFO_U32(DST_L4_PORT, 0x14, 0, 16), MLXSW_AFK_ELEMENT_INFO_U32(SRC_L4_PORT, 0x14, 16, 16), + MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x18, 0, 8), + MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x18, 9, 2), + MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x18, 11, 6), + MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x20, 0, 32), + MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x24, 0, 32), + MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x20, 8), + MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x28, 8), + MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x30, 8), + MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x38, 8), }; -#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x38 +#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x40 struct mlxsw_afk_element_inst { /* element instance in actual block */ const struct mlxsw_afk_element_info *info; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 3dcc58d..bf400c7 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -655,13 +655,17 @@ static int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu) } static struct mlxsw_sp_span_inspected_port * -mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_port *port, - struct mlxsw_sp_span_entry *span_entry) +mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_span_entry *span_entry, + enum mlxsw_sp_span_type type, + struct mlxsw_sp_port *port, + bool bind) { struct mlxsw_sp_span_inspected_port *p; list_for_each_entry(p, &span_entry->bound_ports_list, list) - if (port->local_port == p->local_port) + if (type == p->type && + port->local_port == p->local_port && + bind == p->bound) return p; return NULL; } @@ -691,8 +695,22 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port, struct mlxsw_sp_span_inspected_port *inspected_port; struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; char sbib_pl[MLXSW_REG_SBIB_LEN]; + int i; int err; + /* A given (source port, direction) can only be bound to one analyzer, + * so if a binding is requested, check for conflicts. + */ + if (bind) + for (i = 0; i < mlxsw_sp->span.entries_count; i++) { + struct mlxsw_sp_span_entry *curr = + &mlxsw_sp->span.entries[i]; + + if (mlxsw_sp_span_entry_bound_port_find(curr, type, + port, bind)) + return -EEXIST; + } + /* if it is an egress SPAN, bind a shared buffer to it */ if (type == MLXSW_SP_SPAN_EGRESS) { u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, @@ -720,6 +738,7 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port, } inspected_port->local_port = port->local_port; inspected_port->type = type; + inspected_port->bound = bind; list_add_tail(&inspected_port->list, &span_entry->bound_ports_list); return 0; @@ -746,7 +765,8 @@ mlxsw_sp_span_inspected_port_del(struct mlxsw_sp_port *port, struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; char sbib_pl[MLXSW_REG_SBIB_LEN]; - inspected_port = mlxsw_sp_span_entry_bound_port_find(port, span_entry); + inspected_port = mlxsw_sp_span_entry_bound_port_find(span_entry, type, + port, bind); if (!inspected_port) return; @@ -1459,6 +1479,7 @@ mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) } mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port; + mlxsw_sp_port_vlan->ref_count = 1; mlxsw_sp_port_vlan->vid = vid; list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list); @@ -1486,8 +1507,10 @@ mlxsw_sp_port_vlan_get(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); - if (mlxsw_sp_port_vlan) + if (mlxsw_sp_port_vlan) { + mlxsw_sp_port_vlan->ref_count++; return mlxsw_sp_port_vlan; + } return mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid); } @@ -1496,6 +1519,9 @@ void mlxsw_sp_port_vlan_put(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid; + if (--mlxsw_sp_port_vlan->ref_count != 0) + return; + if (mlxsw_sp_port_vlan->bridge_port) mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); else if (fid) @@ -4207,13 +4233,12 @@ static struct devlink_resource_ops mlxsw_sp_resource_kvd_hash_double_ops = { .size_validate = mlxsw_sp_resource_kvd_hash_double_size_validate, }; -static struct devlink_resource_size_params mlxsw_sp_kvd_size_params; -static struct devlink_resource_size_params mlxsw_sp_linear_size_params; -static struct devlink_resource_size_params mlxsw_sp_hash_single_size_params; -static struct devlink_resource_size_params mlxsw_sp_hash_double_size_params; - static void -mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core) +mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, + struct devlink_resource_size_params *kvd_size_params, + struct devlink_resource_size_params *linear_size_params, + struct devlink_resource_size_params *hash_double_size_params, + struct devlink_resource_size_params *hash_single_size_params) { u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE); @@ -4222,37 +4247,35 @@ mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core) u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); u32 linear_size_min = 0; - /* KVD top resource */ - mlxsw_sp_kvd_size_params.size_min = kvd_size; - mlxsw_sp_kvd_size_params.size_max = kvd_size; - mlxsw_sp_kvd_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY; - mlxsw_sp_kvd_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY; - - /* Linear part init */ - mlxsw_sp_linear_size_params.size_min = linear_size_min; - mlxsw_sp_linear_size_params.size_max = kvd_size - single_size_min - - double_size_min; - mlxsw_sp_linear_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY; - mlxsw_sp_linear_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY; - - /* Hash double part init */ - mlxsw_sp_hash_double_size_params.size_min = double_size_min; - mlxsw_sp_hash_double_size_params.size_max = kvd_size - single_size_min - - linear_size_min; - mlxsw_sp_hash_double_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY; - mlxsw_sp_hash_double_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY; - - /* Hash single part init */ - mlxsw_sp_hash_single_size_params.size_min = single_size_min; - mlxsw_sp_hash_single_size_params.size_max = kvd_size - double_size_min - - linear_size_min; - mlxsw_sp_hash_single_size_params.size_granularity = MLXSW_SP_KVD_GRANULARITY; - mlxsw_sp_hash_single_size_params.unit = DEVLINK_RESOURCE_UNIT_ENTRY; + devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(linear_size_params, linear_size_min, + kvd_size - single_size_min - + double_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(hash_double_size_params, + double_size_min, + kvd_size - single_size_min - + linear_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); + devlink_resource_size_params_init(hash_single_size_params, + single_size_min, + kvd_size - double_size_min - + linear_size_min, + MLXSW_SP_KVD_GRANULARITY, + DEVLINK_RESOURCE_UNIT_ENTRY); } static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_resource_size_params hash_single_size_params; + struct devlink_resource_size_params hash_double_size_params; + struct devlink_resource_size_params linear_size_params; + struct devlink_resource_size_params kvd_size_params; u32 kvd_size, single_size, double_size, linear_size; const struct mlxsw_config_profile *profile; int err; @@ -4261,13 +4284,17 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core) if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) return -EIO; - mlxsw_sp_resource_size_params_prepare(mlxsw_core); + mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params, + &linear_size_params, + &hash_double_size_params, + &hash_single_size_params); + kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, true, kvd_size, MLXSW_SP_RESOURCE_KVD, DEVLINK_RESOURCE_ID_PARENT_TOP, - &mlxsw_sp_kvd_size_params, + &kvd_size_params, &mlxsw_sp_resource_kvd_ops); if (err) return err; @@ -4277,7 +4304,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core) false, linear_size, MLXSW_SP_RESOURCE_KVD_LINEAR, MLXSW_SP_RESOURCE_KVD, - &mlxsw_sp_linear_size_params, + &linear_size_params, &mlxsw_sp_resource_kvd_linear_ops); if (err) return err; @@ -4291,7 +4318,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core) false, double_size, MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, MLXSW_SP_RESOURCE_KVD, - &mlxsw_sp_hash_double_size_params, + &hash_double_size_params, &mlxsw_sp_resource_kvd_hash_double_ops); if (err) return err; @@ -4301,7 +4328,7 @@ static int mlxsw_sp_resources_register(struct mlxsw_core *mlxsw_core) false, single_size, MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, MLXSW_SP_RESOURCE_KVD, - &mlxsw_sp_hash_single_size_params, + &hash_single_size_params, &mlxsw_sp_resource_kvd_hash_single_ops); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index bdd8f94a..92064db2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -120,6 +120,9 @@ struct mlxsw_sp_span_inspected_port { struct list_head list; enum mlxsw_sp_span_type type; u8 local_port; + + /* Whether this is a directly bound mirror (port-to-port) or an ACL. */ + bool bound; }; struct mlxsw_sp_span_entry { @@ -211,6 +214,7 @@ struct mlxsw_sp_port_vlan { struct list_head list; struct mlxsw_sp_port *mlxsw_sp_port; struct mlxsw_sp_fid *fid; + unsigned int ref_count; u16 vid; struct mlxsw_sp_bridge_port *bridge_port; struct list_head bridge_vlan_node; @@ -552,6 +556,7 @@ void mlxsw_sp_acl_rulei_keymask_buf(struct mlxsw_sp_acl_rule_info *rulei, int mlxsw_sp_acl_rulei_act_continue(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei, u16 group_id); +int mlxsw_sp_acl_rulei_act_terminate(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c index 0897a54..92d90ed 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c @@ -528,6 +528,11 @@ int mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei, return mlxsw_afa_block_jump(rulei->act_block, group_id); } +int mlxsw_sp_acl_rulei_act_terminate(struct mlxsw_sp_acl_rule_info *rulei) +{ + return mlxsw_afa_block_terminate(rulei->act_block); +} + int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei) { return mlxsw_afa_block_append_drop(rulei->act_block); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 93728c6..0a9adc5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -385,13 +385,13 @@ static const struct mlxsw_sp_sb_cm mlxsw_sp_sb_cms_egress[] = { static const struct mlxsw_sp_sb_cm mlxsw_sp_cpu_port_sb_cms[] = { MLXSW_SP_CPU_PORT_SB_CM, + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_SB_CM(10000, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c index bbd238e..54262af 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c @@ -112,11 +112,11 @@ static const int mlxsw_sp_sfgc_bc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = { [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP] = 1, [MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL] = 1, [MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST] = 1, + [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1, }; static const int mlxsw_sp_sfgc_mc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = { [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4] = 1, - [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1, }; static const int *mlxsw_sp_packet_type_sfgc_types[] = { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index 6ce00e2..89dbf56 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -65,7 +65,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp, tcf_exts_to_list(exts, &actions); list_for_each_entry(a, &actions, list) { if (is_tcf_gact_ok(a)) { - err = mlxsw_sp_acl_rulei_act_continue(rulei); + err = mlxsw_sp_acl_rulei_act_terminate(rulei); if (err) return err; } else if (is_tcf_gact_shot(a)) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index f0b25ba..f7948e9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -788,6 +788,9 @@ static struct mlxsw_sp_vr *mlxsw_sp_vr_create(struct mlxsw_sp *mlxsw_sp, u32 tb_id, struct netlink_ext_ack *extack) { + struct mlxsw_sp_mr_table *mr4_table; + struct mlxsw_sp_fib *fib4; + struct mlxsw_sp_fib *fib6; struct mlxsw_sp_vr *vr; int err; @@ -796,29 +799,30 @@ static struct mlxsw_sp_vr *mlxsw_sp_vr_create(struct mlxsw_sp *mlxsw_sp, NL_SET_ERR_MSG(extack, "spectrum: Exceeded number of supported virtual routers"); return ERR_PTR(-EBUSY); } - vr->fib4 = mlxsw_sp_fib_create(mlxsw_sp, vr, MLXSW_SP_L3_PROTO_IPV4); - if (IS_ERR(vr->fib4)) - return ERR_CAST(vr->fib4); - vr->fib6 = mlxsw_sp_fib_create(mlxsw_sp, vr, MLXSW_SP_L3_PROTO_IPV6); - if (IS_ERR(vr->fib6)) { - err = PTR_ERR(vr->fib6); + fib4 = mlxsw_sp_fib_create(mlxsw_sp, vr, MLXSW_SP_L3_PROTO_IPV4); + if (IS_ERR(fib4)) + return ERR_CAST(fib4); + fib6 = mlxsw_sp_fib_create(mlxsw_sp, vr, MLXSW_SP_L3_PROTO_IPV6); + if (IS_ERR(fib6)) { + err = PTR_ERR(fib6); goto err_fib6_create; } - vr->mr4_table = mlxsw_sp_mr_table_create(mlxsw_sp, vr->id, - MLXSW_SP_L3_PROTO_IPV4); - if (IS_ERR(vr->mr4_table)) { - err = PTR_ERR(vr->mr4_table); + mr4_table = mlxsw_sp_mr_table_create(mlxsw_sp, vr->id, + MLXSW_SP_L3_PROTO_IPV4); + if (IS_ERR(mr4_table)) { + err = PTR_ERR(mr4_table); goto err_mr_table_create; } + vr->fib4 = fib4; + vr->fib6 = fib6; + vr->mr4_table = mr4_table; vr->tb_id = tb_id; return vr; err_mr_table_create: - mlxsw_sp_fib_destroy(mlxsw_sp, vr->fib6); - vr->fib6 = NULL; + mlxsw_sp_fib_destroy(mlxsw_sp, fib6); err_fib6_create: - mlxsw_sp_fib_destroy(mlxsw_sp, vr->fib4); - vr->fib4 = NULL; + mlxsw_sp_fib_destroy(mlxsw_sp, fib4); return ERR_PTR(err); } @@ -3790,6 +3794,9 @@ mlxsw_sp_fib4_entry_offload_unset(struct mlxsw_sp_fib_entry *fib_entry) struct mlxsw_sp_nexthop_group *nh_grp = fib_entry->nh_group; int i; + if (!list_is_singular(&nh_grp->fib_list)) + return; + for (i = 0; i < nh_grp->count; i++) { struct mlxsw_sp_nexthop *nh = &nh_grp->nexthops[i]; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 593ad31..161bcdc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1203,6 +1203,7 @@ static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, bool dynamic) { char *sfd_pl; + u8 num_rec; int err; sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); @@ -1212,9 +1213,16 @@ static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port, mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); mlxsw_reg_sfd_uc_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), mac, fid, action, local_port); + num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); - kfree(sfd_pl); + if (err) + goto out; + + if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl)) + err = -EBUSY; +out: + kfree(sfd_pl); return err; } @@ -1239,6 +1247,7 @@ static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, bool adding, bool dynamic) { char *sfd_pl; + u8 num_rec; int err; sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); @@ -1249,9 +1258,16 @@ static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id, mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic), mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP, lag_vid, lag_id); + num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); - kfree(sfd_pl); + if (err) + goto out; + + if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl)) + err = -EBUSY; +out: + kfree(sfd_pl); return err; } @@ -1296,6 +1312,7 @@ static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, u16 fid, u16 mid_idx, bool adding) { char *sfd_pl; + u8 num_rec; int err; sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL); @@ -1305,7 +1322,15 @@ static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr, mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0); mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid, MLXSW_REG_SFD_REC_ACTION_NOP, mid_idx); + num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl); + if (err) + goto out; + + if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl)) + err = -EBUSY; + +out: kfree(sfd_pl); return err; } diff --git a/drivers/net/ethernet/natsemi/Kconfig b/drivers/net/ethernet/natsemi/Kconfig index a10ef50..017fb232 100644 --- a/drivers/net/ethernet/natsemi/Kconfig +++ b/drivers/net/ethernet/natsemi/Kconfig @@ -1,16 +1,16 @@ # -# National Semi-conductor device configuration +# National Semiconductor device configuration # config NET_VENDOR_NATSEMI - bool "National Semi-conductor devices" + bool "National Semiconductor devices" default y ---help--- If you have a network (Ethernet) card belonging to this class, say Y. Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all - the questions about National Semi-conductor devices. If you say Y, + the questions about National Semiconductor devices. If you say Y, you will be asked for your specific card in the following questions. if NET_VENDOR_NATSEMI diff --git a/drivers/net/ethernet/natsemi/Makefile b/drivers/net/ethernet/natsemi/Makefile index cc66497..a759aa0 100644 --- a/drivers/net/ethernet/natsemi/Makefile +++ b/drivers/net/ethernet/natsemi/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 # -# Makefile for the National Semi-conductor Sonic devices. +# Makefile for the National Semiconductor Sonic devices. # obj-$(CONFIG_MACSONIC) += macsonic.o diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 6f546e8..00f41c1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -2480,7 +2480,10 @@ int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto) if (rc) return rc; - /* Free Task CXT */ + /* Free Task CXT ( Intentionally RoCE as task-id is shared between + * RoCE and iWARP ) + */ + proto = PROTOCOLID_ROCE; rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0, qed_cxt_get_proto_tid_count(p_hwfn, proto)); if (rc) diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index ca4a81d..d5d02be 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1703,6 +1703,13 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, iph = (struct iphdr *)((u8 *)(ethh) + eth_hlen); if (eth_type == ETH_P_IP) { + if (iph->protocol != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + cm_info->local_ip[0] = ntohl(iph->daddr); cm_info->remote_ip[0] = ntohl(iph->saddr); cm_info->ip_version = TCP_IPV4; @@ -1711,6 +1718,14 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, *payload_len = ntohs(iph->tot_len) - ip_hlen; } else if (eth_type == ETH_P_IPV6) { ip6h = (struct ipv6hdr *)iph; + + if (ip6h->nexthdr != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + for (i = 0; i < 4; i++) { cm_info->local_ip[i] = ntohl(ip6h->daddr.in6_u.u6_addr32[i]); @@ -1928,8 +1943,8 @@ qed_iwarp_update_fpdu_length(struct qed_hwfn *p_hwfn, /* Missing lower byte is now available */ mpa_len = fpdu->fpdu_length | *mpa_data; fpdu->fpdu_length = QED_IWARP_FPDU_LEN_WITH_PAD(mpa_len); - fpdu->mpa_frag_len = fpdu->fpdu_length; /* one byte of hdr */ + fpdu->mpa_frag_len = 1; fpdu->incomplete_bytes = fpdu->fpdu_length - 1; DP_VERBOSE(p_hwfn, QED_MSG_RDMA, diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 5d040b8..a411f9c 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -379,6 +379,7 @@ static void qed_rdma_free(struct qed_hwfn *p_hwfn) DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Freeing RDMA\n"); qed_rdma_free_reserved_lkey(p_hwfn); + qed_cxt_free_proto_ilt(p_hwfn, p_hwfn->p_rdma_info->proto); qed_rdma_resc_free(p_hwfn); } diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 2db70ea..a01e7d6 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -288,7 +288,7 @@ int __init qede_init(void) } /* Must register notifier before pci ops, since we might miss - * interface rename after pci probe and netdev registeration. + * interface rename after pci probe and netdev registration. */ ret = register_netdevice_notifier(&qede_netdev_notifier); if (ret) { @@ -988,7 +988,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, if (rc) goto err3; - /* Prepare the lock prior to the registeration of the netdev, + /* Prepare the lock prior to the registration of the netdev, * as once it's registered we might reach flows requiring it * [it's even possible to reach a flow needing it directly * from there, although it's unlikely]. @@ -2067,8 +2067,6 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, link_params.link_up = true; edev->ops->common->set_link(edev->cdev, &link_params); - qede_rdma_dev_event_open(edev); - edev->state = QEDE_STATE_OPEN; DP_INFO(edev, "Ending successfully qede load\n"); @@ -2169,12 +2167,14 @@ static void qede_link_update(void *dev, struct qed_link_output *link) DP_NOTICE(edev, "Link is up\n"); netif_tx_start_all_queues(edev->ndev); netif_carrier_on(edev->ndev); + qede_rdma_dev_event_open(edev); } } else { if (netif_carrier_ok(edev->ndev)) { DP_NOTICE(edev, "Link is down\n"); netif_tx_disable(edev->ndev); netif_carrier_off(edev->ndev); + qede_rdma_dev_event_close(edev); } } } diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c index 9b2280b..02adb513 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c @@ -485,7 +485,7 @@ int qede_ptp_enable(struct qede_dev *edev, bool init_tc) ptp->clock = ptp_clock_register(&ptp->clock_info, &edev->pdev->dev); if (IS_ERR(ptp->clock)) { rc = -EINVAL; - DP_ERR(edev, "PTP clock registeration failed\n"); + DP_ERR(edev, "PTP clock registration failed\n"); goto err2; } diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index 9cbb2726..d5a32b7 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -1194,9 +1194,9 @@ void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q) while (tx_q->tpd.consume_idx != hw_consume_idx) { tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.consume_idx); if (tpbuf->dma_addr) { - dma_unmap_single(adpt->netdev->dev.parent, - tpbuf->dma_addr, tpbuf->length, - DMA_TO_DEVICE); + dma_unmap_page(adpt->netdev->dev.parent, + tpbuf->dma_addr, tpbuf->length, + DMA_TO_DEVICE); tpbuf->dma_addr = 0; } @@ -1353,9 +1353,11 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt, tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx); tpbuf->length = mapped_len; - tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent, - skb->data, tpbuf->length, - DMA_TO_DEVICE); + tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent, + virt_to_page(skb->data), + offset_in_page(skb->data), + tpbuf->length, + DMA_TO_DEVICE); ret = dma_mapping_error(adpt->netdev->dev.parent, tpbuf->dma_addr); if (ret) @@ -1371,9 +1373,12 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt, if (mapped_len < len) { tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx); tpbuf->length = len - mapped_len; - tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent, - skb->data + mapped_len, - tpbuf->length, DMA_TO_DEVICE); + tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent, + virt_to_page(skb->data + + mapped_len), + offset_in_page(skb->data + + mapped_len), + tpbuf->length, DMA_TO_DEVICE); ret = dma_mapping_error(adpt->netdev->dev.parent, tpbuf->dma_addr); if (ret) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index 7e7704d..c494918 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -43,12 +43,6 @@ /* Local Definitions and Declarations */ -struct rmnet_walk_data { - struct net_device *real_dev; - struct list_head *head; - struct rmnet_port *port; -}; - static int rmnet_is_real_dev_registered(const struct net_device *real_dev) { return rcu_access_pointer(real_dev->rx_handler) == rmnet_rx_handler; @@ -112,17 +106,14 @@ static int rmnet_register_real_device(struct net_device *real_dev) static void rmnet_unregister_bridge(struct net_device *dev, struct rmnet_port *port) { - struct net_device *rmnet_dev, *bridge_dev; struct rmnet_port *bridge_port; + struct net_device *bridge_dev; if (port->rmnet_mode != RMNET_EPMODE_BRIDGE) return; /* bridge slave handling */ if (!port->nr_rmnet_devs) { - rmnet_dev = netdev_master_upper_dev_get_rcu(dev); - netdev_upper_dev_unlink(dev, rmnet_dev); - bridge_dev = port->bridge_ep; bridge_port = rmnet_get_port_rtnl(bridge_dev); @@ -132,9 +123,6 @@ static void rmnet_unregister_bridge(struct net_device *dev, bridge_dev = port->bridge_ep; bridge_port = rmnet_get_port_rtnl(bridge_dev); - rmnet_dev = netdev_master_upper_dev_get_rcu(bridge_dev); - netdev_upper_dev_unlink(bridge_dev, rmnet_dev); - rmnet_unregister_real_device(bridge_dev, bridge_port); } } @@ -173,10 +161,6 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev, if (err) goto err1; - err = netdev_master_upper_dev_link(dev, real_dev, NULL, NULL, extack); - if (err) - goto err2; - port->rmnet_mode = mode; hlist_add_head_rcu(&ep->hlnode, &port->muxed_ep[mux_id]); @@ -193,8 +177,6 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev, return 0; -err2: - rmnet_vnd_dellink(mux_id, port, ep); err1: rmnet_unregister_real_device(real_dev, port); err0: @@ -204,14 +186,13 @@ err0: static void rmnet_dellink(struct net_device *dev, struct list_head *head) { + struct rmnet_priv *priv = netdev_priv(dev); struct net_device *real_dev; struct rmnet_endpoint *ep; struct rmnet_port *port; u8 mux_id; - rcu_read_lock(); - real_dev = netdev_master_upper_dev_get_rcu(dev); - rcu_read_unlock(); + real_dev = priv->real_dev; if (!real_dev || !rmnet_is_real_dev_registered(real_dev)) return; @@ -219,7 +200,6 @@ static void rmnet_dellink(struct net_device *dev, struct list_head *head) port = rmnet_get_port_rtnl(real_dev); mux_id = rmnet_vnd_get_mux(dev); - netdev_upper_dev_unlink(dev, real_dev); ep = rmnet_get_endpoint(port, mux_id); if (ep) { @@ -233,30 +213,13 @@ static void rmnet_dellink(struct net_device *dev, struct list_head *head) unregister_netdevice_queue(dev, head); } -static int rmnet_dev_walk_unreg(struct net_device *rmnet_dev, void *data) -{ - struct rmnet_walk_data *d = data; - struct rmnet_endpoint *ep; - u8 mux_id; - - mux_id = rmnet_vnd_get_mux(rmnet_dev); - ep = rmnet_get_endpoint(d->port, mux_id); - if (ep) { - hlist_del_init_rcu(&ep->hlnode); - rmnet_vnd_dellink(mux_id, d->port, ep); - kfree(ep); - } - netdev_upper_dev_unlink(rmnet_dev, d->real_dev); - unregister_netdevice_queue(rmnet_dev, d->head); - - return 0; -} - static void rmnet_force_unassociate_device(struct net_device *dev) { struct net_device *real_dev = dev; - struct rmnet_walk_data d; + struct hlist_node *tmp_ep; + struct rmnet_endpoint *ep; struct rmnet_port *port; + unsigned long bkt_ep; LIST_HEAD(list); if (!rmnet_is_real_dev_registered(real_dev)) @@ -264,16 +227,19 @@ static void rmnet_force_unassociate_device(struct net_device *dev) ASSERT_RTNL(); - d.real_dev = real_dev; - d.head = &list; - port = rmnet_get_port_rtnl(dev); - d.port = port; rcu_read_lock(); rmnet_unregister_bridge(dev, port); - netdev_walk_all_lower_dev_rcu(real_dev, rmnet_dev_walk_unreg, &d); + hash_for_each_safe(port->muxed_ep, bkt_ep, tmp_ep, ep, hlnode) { + unregister_netdevice_queue(ep->egress_dev, &list); + rmnet_vnd_dellink(ep->mux_id, port, ep); + + hlist_del_init_rcu(&ep->hlnode); + kfree(ep); + } + rcu_read_unlock(); unregister_netdevice_many(&list); @@ -422,11 +388,6 @@ int rmnet_add_bridge(struct net_device *rmnet_dev, if (err) return -EBUSY; - err = netdev_master_upper_dev_link(slave_dev, rmnet_dev, NULL, NULL, - extack); - if (err) - return -EINVAL; - slave_port = rmnet_get_port(slave_dev); slave_port->rmnet_mode = RMNET_EPMODE_BRIDGE; slave_port->bridge_ep = real_dev; @@ -449,7 +410,6 @@ int rmnet_del_bridge(struct net_device *rmnet_dev, port->rmnet_mode = RMNET_EPMODE_VND; port->bridge_ep = NULL; - netdev_upper_dev_unlink(slave_dev, rmnet_dev); slave_port = rmnet_get_port(slave_dev); rmnet_unregister_real_device(slave_dev, slave_port); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c index 6bc328f..b0dbca0 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c @@ -38,6 +38,11 @@ static u8 rmnet_map_do_flow_control(struct sk_buff *skb, } ep = rmnet_get_endpoint(port, mux_id); + if (!ep) { + kfree_skb(skb); + return RX_HANDLER_CONSUMED; + } + vnd = ep->egress_dev; ip_family = cmd->flow_control.ip_family; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index 570a227..346d310 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -121,7 +121,7 @@ static void rmnet_get_stats64(struct net_device *dev, memset(&total_stats, 0, sizeof(struct rmnet_vnd_stats)); for_each_possible_cpu(cpu) { - pcpu_ptr = this_cpu_ptr(priv->pcpu_stats); + pcpu_ptr = per_cpu_ptr(priv->pcpu_stats, cpu); do { start = u64_stats_fetch_begin_irq(&pcpu_ptr->syncp); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index c87f57c..a95fbd5 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2255,9 +2255,6 @@ static int ravb_wol_setup(struct net_device *ndev) /* Enable MagicPacket */ ravb_modify(ndev, ECMR, ECMR_MPDE, ECMR_MPDE); - /* Increased clock usage so device won't be suspended */ - clk_enable(priv->clk); - return enable_irq_wake(priv->emac_irq); } @@ -2276,9 +2273,6 @@ static int ravb_wol_restore(struct net_device *ndev) if (ret < 0) return ret; - /* Restore clock usage count */ - clk_disable(priv->clk); - return disable_irq_wake(priv->emac_irq); } diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index a197e11..14c839b 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -40,7 +40,6 @@ #include <linux/slab.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> -#include <linux/clk.h> #include <linux/sh_eth.h> #include <linux/of_mdio.h> @@ -440,6 +439,17 @@ static void sh_eth_modify(struct net_device *ndev, int enum_index, u32 clear, enum_index); } +static void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data, + int enum_index) +{ + iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]); +} + +static u32 sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index) +{ + return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]); +} + static bool sh_eth_is_gether(struct sh_eth_private *mdp) { return mdp->reg_offset == sh_eth_offset_gigabit; @@ -2304,7 +2314,7 @@ static void sh_eth_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) wol->supported = 0; wol->wolopts = 0; - if (mdp->cd->magic && mdp->clk) { + if (mdp->cd->magic) { wol->supported = WAKE_MAGIC; wol->wolopts = mdp->wol_enabled ? WAKE_MAGIC : 0; } @@ -2314,7 +2324,7 @@ static int sh_eth_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { struct sh_eth_private *mdp = netdev_priv(ndev); - if (!mdp->cd->magic || !mdp->clk || wol->wolopts & ~WAKE_MAGIC) + if (!mdp->cd->magic || wol->wolopts & ~WAKE_MAGIC) return -EOPNOTSUPP; mdp->wol_enabled = !!(wol->wolopts & WAKE_MAGIC); @@ -3153,11 +3163,6 @@ static int sh_eth_drv_probe(struct platform_device *pdev) goto out_release; } - /* Get clock, if not found that's OK but Wake-On-Lan is unavailable */ - mdp->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(mdp->clk)) - mdp->clk = NULL; - ndev->base_addr = res->start; spin_lock_init(&mdp->lock); @@ -3278,7 +3283,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) if (ret) goto out_napi_del; - if (mdp->cd->magic && mdp->clk) + if (mdp->cd->magic) device_set_wakeup_capable(&pdev->dev, 1); /* print device information */ @@ -3331,9 +3336,6 @@ static int sh_eth_wol_setup(struct net_device *ndev) /* Enable MagicPacket */ sh_eth_modify(ndev, ECMR, ECMR_MPDE, ECMR_MPDE); - /* Increased clock usage so device won't be suspended */ - clk_enable(mdp->clk); - return enable_irq_wake(ndev->irq); } @@ -3359,9 +3361,6 @@ static int sh_eth_wol_restore(struct net_device *ndev) if (ret < 0) return ret; - /* Restore clock usage count */ - clk_disable(mdp->clk); - return disable_irq_wake(ndev->irq); } diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index a6753cc..e5fe701 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -567,15 +567,4 @@ static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp, return mdp->tsu_addr + mdp->reg_offset[enum_index]; } -static inline void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data, - int enum_index) -{ - iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]); -} - -static inline u32 sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index) -{ - return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]); -} - #endif /* #ifndef __SH_ETH_H__ */ diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig index 63aca9f..4c2f612e 100644 --- a/drivers/net/ethernet/smsc/Kconfig +++ b/drivers/net/ethernet/smsc/Kconfig @@ -20,7 +20,7 @@ if NET_VENDOR_SMSC config SMC9194 tristate "SMC 9194 support" - depends on (ISA || MAC && BROKEN) + depends on ISA select CRC32 ---help--- This is support for the SMC9xxx based Ethernet cards. Choose this diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 012fb66..f0afb88 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2335,14 +2335,14 @@ static int smsc911x_drv_remove(struct platform_device *pdev) pdata = netdev_priv(dev); BUG_ON(!pdata); BUG_ON(!pdata->ioaddr); - WARN_ON(dev->phydev); SMSC_TRACE(pdata, ifdown, "Stopping driver"); + unregister_netdev(dev); + mdiobus_unregister(pdata->mii_bus); mdiobus_free(pdata->mii_bus); - unregister_netdev(dev); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smsc911x-memory"); if (!res) diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c index 111e7ca..f5c5984 100644 --- a/drivers/net/ethernet/socionext/sni_ave.c +++ b/drivers/net/ethernet/socionext/sni_ave.c @@ -1295,7 +1295,7 @@ static int ave_open(struct net_device *ndev) val |= AVE_IIRQC_EN0 | (AVE_INTM_COUNT << 16); writel(val, priv->base + AVE_IIRQC); - val = AVE_GI_RXIINT | AVE_GI_RXOVF | AVE_GI_TX; + val = AVE_GI_RXIINT | AVE_GI_RXOVF | AVE_GI_TX | AVE_GI_RXDROP; ave_irq_restore(ndev, val); napi_enable(&priv->napi_rx); diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 63d3d6b..a94f504 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -312,7 +312,7 @@ static struct vnet *vnet_new(const u64 *local_mac, dev->ethtool_ops = &vnet_ethtool_ops; dev->watchdog_timeo = VNET_TX_TIMEOUT; - dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_GSO_SOFTWARE | + dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_ALL_TSO | NETIF_F_HW_CSUM | NETIF_F_SG; dev->features = dev->hw_features; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 1b1b78f..b2b30c9 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1014,7 +1014,8 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave, /* set speed_in input in case RMII mode is used in 100Mbps */ if (phy->speed == 100) mac_control |= BIT(15); - else if (phy->speed == 10) + /* in band mode only works in 10Mbps RGMII mode */ + else if ((phy->speed == 10) && phy_interface_is_rgmii(phy)) mac_control |= BIT(18); /* In Band mode */ if (priv->rx_pause) diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 0db3bd1..3286103 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -173,6 +173,7 @@ struct rndis_device { struct list_head req_list; struct work_struct mcast_work; + u32 filter; bool link_state; /* 0 - link up, 1 - link down */ @@ -211,7 +212,6 @@ void netvsc_channel_cb(void *context); int netvsc_poll(struct napi_struct *napi, int budget); void rndis_set_subchannel(struct work_struct *w); -bool rndis_filter_opened(const struct netvsc_device *nvdev); int rndis_filter_open(struct netvsc_device *nvdev); int rndis_filter_close(struct netvsc_device *nvdev); struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 17e529a..7472172 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -90,6 +90,11 @@ static void free_netvsc_device(struct rcu_head *head) = container_of(head, struct netvsc_device, rcu); int i; + kfree(nvdev->extension); + vfree(nvdev->recv_buf); + vfree(nvdev->send_buf); + kfree(nvdev->send_section_map); + for (i = 0; i < VRSS_CHANNEL_MAX; i++) vfree(nvdev->chan_table[i].mrc.slots); @@ -211,12 +216,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, net_device->recv_buf_gpadl_handle = 0; } - if (net_device->recv_buf) { - /* Free up the receive buffer */ - vfree(net_device->recv_buf); - net_device->recv_buf = NULL; - } - if (net_device->send_buf_gpadl_handle) { ret = vmbus_teardown_gpadl(device->channel, net_device->send_buf_gpadl_handle); @@ -231,12 +230,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, } net_device->send_buf_gpadl_handle = 0; } - if (net_device->send_buf) { - /* Free up the send buffer */ - vfree(net_device->send_buf); - net_device->send_buf = NULL; - } - kfree(net_device->send_section_map); } int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx) @@ -562,26 +555,29 @@ void netvsc_device_remove(struct hv_device *device) = rtnl_dereference(net_device_ctx->nvdev); int i; - cancel_work_sync(&net_device->subchan_work); - netvsc_revoke_buf(device, net_device); RCU_INIT_POINTER(net_device_ctx->nvdev, NULL); + /* And disassociate NAPI context from device */ + for (i = 0; i < net_device->num_chn; i++) + netif_napi_del(&net_device->chan_table[i].napi); + /* * At this point, no one should be accessing net_device * except in here */ netdev_dbg(ndev, "net device safe to remove\n"); + /* older versions require that buffer be revoked before close */ + if (net_device->nvsp_version < NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); + /* Now, we can close the channel safely */ vmbus_close(device->channel); - netvsc_teardown_gpadl(device, net_device); - - /* And dissassociate NAPI context from device */ - for (i = 0; i < net_device->num_chn; i++) - netif_napi_del(&net_device->chan_table[i].napi); + if (net_device->nvsp_version >= NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); /* Release all resources */ free_netvsc_device_rcu(net_device); @@ -645,14 +641,18 @@ static void netvsc_send_tx_complete(struct netvsc_device *net_device, queue_sends = atomic_dec_return(&net_device->chan_table[q_idx].queue_sends); - if (net_device->destroy && queue_sends == 0) - wake_up(&net_device->wait_drain); + if (unlikely(net_device->destroy)) { + if (queue_sends == 0) + wake_up(&net_device->wait_drain); + } else { + struct netdev_queue *txq = netdev_get_tx_queue(ndev, q_idx); - if (netif_tx_queue_stopped(netdev_get_tx_queue(ndev, q_idx)) && - (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || - queue_sends < 1)) { - netif_tx_wake_queue(netdev_get_tx_queue(ndev, q_idx)); - ndev_ctx->eth_stats.wake_queue++; + if (netif_tx_queue_stopped(txq) && + (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || + queue_sends < 1)) { + netif_tx_wake_queue(txq); + ndev_ctx->eth_stats.wake_queue++; + } } } @@ -852,13 +852,6 @@ int netvsc_send(struct net_device *ndev, if (unlikely(!net_device || net_device->destroy)) return -ENODEV; - /* We may race with netvsc_connect_vsp()/netvsc_init_buf() and get - * here before the negotiation with the host is finished and - * send_section_map may not be allocated yet. - */ - if (unlikely(!net_device->send_section_map)) - return -EAGAIN; - nvchan = &net_device->chan_table[packet->q_idx]; packet->send_buf_index = NETVSC_INVALID_INDEX; packet->cp_partial = false; @@ -866,10 +859,8 @@ int netvsc_send(struct net_device *ndev, /* Send control message directly without accessing msd (Multi-Send * Data) field which may be changed during data packet processing. */ - if (!skb) { - cur_send = packet; - goto send_now; - } + if (!skb) + return netvsc_send_pkt(device, packet, net_device, pb, skb); /* batch packets in send buffer if possible */ msdp = &nvchan->msd; @@ -953,7 +944,6 @@ int netvsc_send(struct net_device *ndev, } } -send_now: if (cur_send) ret = netvsc_send_pkt(device, cur_send, net_device, pb, skb); @@ -1217,9 +1207,10 @@ int netvsc_poll(struct napi_struct *napi, int budget) if (send_recv_completions(ndev, net_device, nvchan) == 0 && work_done < budget && napi_complete_done(napi, work_done) && - hv_end_read(&channel->inbound)) { + hv_end_read(&channel->inbound) && + napi_schedule_prep(napi)) { hv_begin_read(&channel->inbound); - napi_reschedule(napi); + __napi_schedule(napi); } /* Driver may overshoot since multiple packets per descriptor */ @@ -1242,7 +1233,7 @@ void netvsc_channel_cb(void *context) /* disable interupts from host */ hv_begin_read(rbi); - __napi_schedule(&nvchan->napi); + __napi_schedule_irqoff(&nvchan->napi); } } @@ -1296,7 +1287,6 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device, netvsc_channel_cb, net_device->chan_table); if (ret != 0) { - netif_napi_del(&net_device->chan_table[0].napi); netdev_err(ndev, "unable to open channel: %d\n", ret); goto cleanup; } @@ -1306,11 +1296,6 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device, napi_enable(&net_device->chan_table[0].napi); - /* Writing nvdev pointer unlocks netvsc_send(), make sure chn_table is - * populated. - */ - rcu_assign_pointer(net_device_ctx->nvdev, net_device); - /* Connect with the NetVsp */ ret = netvsc_connect_vsp(device, net_device, device_info); if (ret != 0) { @@ -1319,6 +1304,11 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device, goto close; } + /* Writing nvdev pointer unlocks netvsc_send(), make sure chn_table is + * populated. + */ + rcu_assign_pointer(net_device_ctx->nvdev, net_device); + return net_device; close: @@ -1329,6 +1319,7 @@ close: vmbus_close(device->channel); cleanup: + netif_napi_del(&net_device->chan_table[0].napi); free_netvsc_device(&net_device->rcu); return ERR_PTR(ret); diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index c5584c2..f28c85d 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -46,7 +46,10 @@ #include "hyperv_net.h" -#define RING_SIZE_MIN 64 +#define RING_SIZE_MIN 64 +#define RETRY_US_LO 5000 +#define RETRY_US_HI 10000 +#define RETRY_MAX 2000 /* >10 sec */ #define LINKCHANGE_INT (2 * HZ) #define VF_TAKEOVER_INT (HZ / 10) @@ -66,12 +69,43 @@ static int debug = -1; module_param(debug, int, S_IRUGO); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); -static void netvsc_set_multicast_list(struct net_device *net) +static void netvsc_change_rx_flags(struct net_device *net, int change) { - struct net_device_context *net_device_ctx = netdev_priv(net); - struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); + struct net_device_context *ndev_ctx = netdev_priv(net); + struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); + int inc; + + if (!vf_netdev) + return; + + if (change & IFF_PROMISC) { + inc = (net->flags & IFF_PROMISC) ? 1 : -1; + dev_set_promiscuity(vf_netdev, inc); + } + + if (change & IFF_ALLMULTI) { + inc = (net->flags & IFF_ALLMULTI) ? 1 : -1; + dev_set_allmulti(vf_netdev, inc); + } +} - rndis_filter_update(nvdev); +static void netvsc_set_rx_mode(struct net_device *net) +{ + struct net_device_context *ndev_ctx = netdev_priv(net); + struct net_device *vf_netdev; + struct netvsc_device *nvdev; + + rcu_read_lock(); + vf_netdev = rcu_dereference(ndev_ctx->vf_netdev); + if (vf_netdev) { + dev_uc_sync(vf_netdev, net); + dev_mc_sync(vf_netdev, net); + } + + nvdev = rcu_dereference(ndev_ctx->nvdev); + if (nvdev) + rndis_filter_update(nvdev); + rcu_read_unlock(); } static int netvsc_open(struct net_device *net) @@ -91,10 +125,7 @@ static int netvsc_open(struct net_device *net) return ret; } - netif_tx_wake_all_queues(net); - rdev = nvdev->extension; - if (!rdev->link_state) netif_carrier_on(net); @@ -112,36 +143,25 @@ static int netvsc_open(struct net_device *net) return 0; } -static int netvsc_close(struct net_device *net) +static int netvsc_wait_until_empty(struct netvsc_device *nvdev) { - struct net_device_context *net_device_ctx = netdev_priv(net); - struct net_device *vf_netdev - = rtnl_dereference(net_device_ctx->vf_netdev); - struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); - int ret = 0; - u32 aread, i, msec = 10, retry = 0, retry_max = 20; - struct vmbus_channel *chn; - - netif_tx_disable(net); - - /* No need to close rndis filter if it is removed already */ - if (!nvdev) - goto out; - - ret = rndis_filter_close(nvdev); - if (ret != 0) { - netdev_err(net, "unable to close device (ret %d).\n", ret); - return ret; - } + unsigned int retry = 0; + int i; /* Ensure pending bytes in ring are read */ - while (true) { - aread = 0; + for (;;) { + u32 aread = 0; + for (i = 0; i < nvdev->num_chn; i++) { - chn = nvdev->chan_table[i].channel; + struct vmbus_channel *chn + = nvdev->chan_table[i].channel; + if (!chn) continue; + /* make sure receive not running now */ + napi_synchronize(&nvdev->chan_table[i].napi); + aread = hv_get_bytes_to_read(&chn->inbound); if (aread) break; @@ -151,22 +171,40 @@ static int netvsc_close(struct net_device *net) break; } - retry++; - if (retry > retry_max || aread == 0) - break; + if (aread == 0) + return 0; - msleep(msec); + if (++retry > RETRY_MAX) + return -ETIMEDOUT; - if (msec < 1000) - msec *= 2; + usleep_range(RETRY_US_LO, RETRY_US_HI); } +} - if (aread) { - netdev_err(net, "Ring buffer not empty after closing rndis\n"); - ret = -ETIMEDOUT; +static int netvsc_close(struct net_device *net) +{ + struct net_device_context *net_device_ctx = netdev_priv(net); + struct net_device *vf_netdev + = rtnl_dereference(net_device_ctx->vf_netdev); + struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); + int ret; + + netif_tx_disable(net); + + /* No need to close rndis filter if it is removed already */ + if (!nvdev) + return 0; + + ret = rndis_filter_close(nvdev); + if (ret != 0) { + netdev_err(net, "unable to close device (ret %d).\n", ret); + return ret; } -out: + ret = netvsc_wait_until_empty(nvdev); + if (ret) + netdev_err(net, "Ring buffer not empty after closing rndis\n"); + if (vf_netdev) dev_close(vf_netdev); @@ -299,8 +337,19 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, rcu_read_lock(); vf_netdev = rcu_dereference(ndc->vf_netdev); if (vf_netdev) { - txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; - qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; + const struct net_device_ops *vf_ops = vf_netdev->netdev_ops; + + if (vf_ops->ndo_select_queue) + txq = vf_ops->ndo_select_queue(vf_netdev, skb, + accel_priv, fallback); + else + txq = fallback(vf_netdev, skb); + + /* Record the queue selected by VF so that it can be + * used for common case where VF has more queues than + * the synthetic device. + */ + qdisc_skb_cb(skb)->slave_dev_queue_mapping = txq; } else { txq = netvsc_pick_tx(ndev, skb); } @@ -804,16 +853,81 @@ static void netvsc_get_channels(struct net_device *net, } } +static int netvsc_detach(struct net_device *ndev, + struct netvsc_device *nvdev) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct hv_device *hdev = ndev_ctx->device_ctx; + int ret; + + /* Don't try continuing to try and setup sub channels */ + if (cancel_work_sync(&nvdev->subchan_work)) + nvdev->num_chn = 1; + + /* If device was up (receiving) then shutdown */ + if (netif_running(ndev)) { + netif_tx_disable(ndev); + + ret = rndis_filter_close(nvdev); + if (ret) { + netdev_err(ndev, + "unable to close device (ret %d).\n", ret); + return ret; + } + + ret = netvsc_wait_until_empty(nvdev); + if (ret) { + netdev_err(ndev, + "Ring buffer not empty after closing rndis\n"); + return ret; + } + } + + netif_device_detach(ndev); + + rndis_filter_device_remove(hdev, nvdev); + + return 0; +} + +static int netvsc_attach(struct net_device *ndev, + struct netvsc_device_info *dev_info) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct hv_device *hdev = ndev_ctx->device_ctx; + struct netvsc_device *nvdev; + struct rndis_device *rdev; + int ret; + + nvdev = rndis_filter_device_add(hdev, dev_info); + if (IS_ERR(nvdev)) + return PTR_ERR(nvdev); + + /* Note: enable and attach happen when sub-channels setup */ + + netif_carrier_off(ndev); + + if (netif_running(ndev)) { + ret = rndis_filter_open(nvdev); + if (ret) + return ret; + + rdev = nvdev->extension; + if (!rdev->link_state) + netif_carrier_on(ndev); + } + + return 0; +} + static int netvsc_set_channels(struct net_device *net, struct ethtool_channels *channels) { struct net_device_context *net_device_ctx = netdev_priv(net); - struct hv_device *dev = net_device_ctx->device_ctx; struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); unsigned int orig, count = channels->combined_count; struct netvsc_device_info device_info; - bool was_opened; - int ret = 0; + int ret; /* We do not support separate count for rx, tx, or other */ if (count == 0 || @@ -830,9 +944,6 @@ static int netvsc_set_channels(struct net_device *net, return -EINVAL; orig = nvdev->num_chn; - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); memset(&device_info, 0, sizeof(device_info)); device_info.num_chn = count; @@ -841,28 +952,17 @@ static int netvsc_set_channels(struct net_device *net, device_info.recv_sections = nvdev->recv_section_cnt; device_info.recv_section_size = nvdev->recv_section_size; - rndis_filter_device_remove(dev, nvdev); + ret = netvsc_detach(net, nvdev); + if (ret) + return ret; - nvdev = rndis_filter_device_add(dev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); + ret = netvsc_attach(net, &device_info); + if (ret) { device_info.num_chn = orig; - nvdev = rndis_filter_device_add(dev, &device_info); - - if (IS_ERR(nvdev)) { - netdev_err(net, "restoring channel setting failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } + if (netvsc_attach(net, &device_info)) + netdev_err(net, "restoring channel setting failed\n"); } - if (was_opened) - rndis_filter_open(nvdev); - - /* We may have missed link change notifications */ - net_device_ctx->last_reconfig = 0; - schedule_delayed_work(&net_device_ctx->dwork, 0); - return ret; } @@ -928,10 +1028,8 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) struct net_device_context *ndevctx = netdev_priv(ndev); struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); - struct hv_device *hdev = ndevctx->device_ctx; int orig_mtu = ndev->mtu; struct netvsc_device_info device_info; - bool was_opened; int ret = 0; if (!nvdev || nvdev->destroy) @@ -944,11 +1042,6 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) return ret; } - netif_device_detach(ndev); - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); - memset(&device_info, 0, sizeof(device_info)); device_info.num_chn = nvdev->num_chn; device_info.send_sections = nvdev->send_section_cnt; @@ -956,35 +1049,27 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) device_info.recv_sections = nvdev->recv_section_cnt; device_info.recv_section_size = nvdev->recv_section_size; - rndis_filter_device_remove(hdev, nvdev); + ret = netvsc_detach(ndev, nvdev); + if (ret) + goto rollback_vf; ndev->mtu = mtu; - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); - - /* Attempt rollback to original MTU */ - ndev->mtu = orig_mtu; - nvdev = rndis_filter_device_add(hdev, &device_info); - - if (vf_netdev) - dev_set_mtu(vf_netdev, orig_mtu); - - if (IS_ERR(nvdev)) { - netdev_err(ndev, "restoring mtu failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } - } + ret = netvsc_attach(ndev, &device_info); + if (ret) + goto rollback; - if (was_opened) - rndis_filter_open(nvdev); + return 0; - netif_device_attach(ndev); +rollback: + /* Attempt rollback to original MTU */ + ndev->mtu = orig_mtu; - /* We may have missed link change notifications */ - schedule_delayed_work(&ndevctx->dwork, 0); + if (netvsc_attach(ndev, &device_info)) + netdev_err(ndev, "restoring mtu failed\n"); +rollback_vf: + if (vf_netdev) + dev_set_mtu(vf_netdev, orig_mtu); return ret; } @@ -1490,11 +1575,9 @@ static int netvsc_set_ringparam(struct net_device *ndev, { struct net_device_context *ndevctx = netdev_priv(ndev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); - struct hv_device *hdev = ndevctx->device_ctx; struct netvsc_device_info device_info; struct ethtool_ringparam orig; u32 new_tx, new_rx; - bool was_opened; int ret = 0; if (!nvdev || nvdev->destroy) @@ -1519,34 +1602,18 @@ static int netvsc_set_ringparam(struct net_device *ndev, device_info.recv_sections = new_rx; device_info.recv_section_size = nvdev->recv_section_size; - netif_device_detach(ndev); - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); - - rndis_filter_device_remove(hdev, nvdev); - - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); + ret = netvsc_detach(ndev, nvdev); + if (ret) + return ret; + ret = netvsc_attach(ndev, &device_info); + if (ret) { device_info.send_sections = orig.tx_pending; device_info.recv_sections = orig.rx_pending; - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - netdev_err(ndev, "restoring ringparam failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } - } - if (was_opened) - rndis_filter_open(nvdev); - netif_device_attach(ndev); - - /* We may have missed link change notifications */ - ndevctx->last_reconfig = 0; - schedule_delayed_work(&ndevctx->dwork, 0); + if (netvsc_attach(ndev, &device_info)) + netdev_err(ndev, "restoring ringparam failed"); + } return ret; } @@ -1576,7 +1643,8 @@ static const struct net_device_ops device_ops = { .ndo_open = netvsc_open, .ndo_stop = netvsc_close, .ndo_start_xmit = netvsc_start_xmit, - .ndo_set_rx_mode = netvsc_set_multicast_list, + .ndo_change_rx_flags = netvsc_change_rx_flags, + .ndo_set_rx_mode = netvsc_set_rx_mode, .ndo_change_mtu = netvsc_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = netvsc_set_mac_addr, @@ -1807,6 +1875,15 @@ static void __netvsc_vf_setup(struct net_device *ndev, netdev_warn(vf_netdev, "unable to change mtu to %u\n", ndev->mtu); + /* set multicast etc flags on VF */ + dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE); + + /* sync address list from ndev to VF */ + netif_addr_lock_bh(ndev); + dev_uc_sync(vf_netdev, ndev); + dev_mc_sync(vf_netdev, ndev); + netif_addr_unlock_bh(ndev); + if (netif_running(ndev)) { ret = dev_open(vf_netdev); if (ret) @@ -2021,8 +2098,8 @@ no_net: static int netvsc_remove(struct hv_device *dev) { struct net_device_context *ndev_ctx; - struct net_device *vf_netdev; - struct net_device *net; + struct net_device *vf_netdev, *net; + struct netvsc_device *nvdev; net = hv_get_drvdata(dev); if (net == NULL) { @@ -2032,10 +2109,14 @@ static int netvsc_remove(struct hv_device *dev) ndev_ctx = netdev_priv(net); - netif_device_detach(net); - cancel_delayed_work_sync(&ndev_ctx->dwork); + rcu_read_lock(); + nvdev = rcu_dereference(ndev_ctx->nvdev); + + if (nvdev) + cancel_work_sync(&nvdev->subchan_work); + /* * Call to the vsc driver to let it know that the device is being * removed. Also blocks mtu and channel changes. @@ -2045,11 +2126,13 @@ static int netvsc_remove(struct hv_device *dev) if (vf_netdev) netvsc_unregister_vf(vf_netdev); + if (nvdev) + rndis_filter_device_remove(dev, nvdev); + unregister_netdevice(net); - rndis_filter_device_remove(dev, - rtnl_dereference(ndev_ctx->nvdev)); rtnl_unlock(); + rcu_read_unlock(); hv_set_drvdata(dev, NULL); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index c3ca191..a6ec41c 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -264,13 +264,23 @@ static void rndis_set_link_state(struct rndis_device *rdev, } } -static void rndis_filter_receive_response(struct rndis_device *dev, - struct rndis_message *resp) +static void rndis_filter_receive_response(struct net_device *ndev, + struct netvsc_device *nvdev, + const struct rndis_message *resp) { + struct rndis_device *dev = nvdev->extension; struct rndis_request *request = NULL; bool found = false; unsigned long flags; - struct net_device *ndev = dev->ndev; + + /* This should never happen, it means control message + * response received after device removed. + */ + if (dev->state == RNDIS_DEV_UNINITIALIZED) { + netdev_err(ndev, + "got rndis message uninitialized\n"); + return; + } spin_lock_irqsave(&dev->request_lock, flags); list_for_each_entry(request, &dev->req_list, list_ent) { @@ -352,7 +362,6 @@ static inline void *rndis_get_ppi(struct rndis_packet *rpkt, u32 type) static int rndis_filter_receive_data(struct net_device *ndev, struct netvsc_device *nvdev, - struct rndis_device *dev, struct rndis_message *msg, struct vmbus_channel *channel, void *data, u32 data_buflen) @@ -372,7 +381,7 @@ static int rndis_filter_receive_data(struct net_device *ndev, * should be the data packet size plus the trailer padding size */ if (unlikely(data_buflen < rndis_pkt->data_len)) { - netdev_err(dev->ndev, "rndis message buffer " + netdev_err(ndev, "rndis message buffer " "overflow detected (got %u, min %u)" "...dropping this message!\n", data_buflen, rndis_pkt->data_len); @@ -400,35 +409,20 @@ int rndis_filter_receive(struct net_device *ndev, void *data, u32 buflen) { struct net_device_context *net_device_ctx = netdev_priv(ndev); - struct rndis_device *rndis_dev = net_dev->extension; struct rndis_message *rndis_msg = data; - /* Make sure the rndis device state is initialized */ - if (unlikely(!rndis_dev)) { - netif_dbg(net_device_ctx, rx_err, ndev, - "got rndis message but no rndis device!\n"); - return NVSP_STAT_FAIL; - } - - if (unlikely(rndis_dev->state == RNDIS_DEV_UNINITIALIZED)) { - netif_dbg(net_device_ctx, rx_err, ndev, - "got rndis message uninitialized\n"); - return NVSP_STAT_FAIL; - } - if (netif_msg_rx_status(net_device_ctx)) dump_rndis_message(ndev, rndis_msg); switch (rndis_msg->ndis_msg_type) { case RNDIS_MSG_PACKET: - return rndis_filter_receive_data(ndev, net_dev, - rndis_dev, rndis_msg, + return rndis_filter_receive_data(ndev, net_dev, rndis_msg, channel, data, buflen); case RNDIS_MSG_INIT_C: case RNDIS_MSG_QUERY_C: case RNDIS_MSG_SET_C: /* completion msgs */ - rndis_filter_receive_response(rndis_dev, rndis_msg); + rndis_filter_receive_response(ndev, net_dev, rndis_msg); break; case RNDIS_MSG_INDICATE: @@ -825,13 +819,15 @@ static int rndis_filter_set_packet_filter(struct rndis_device *dev, struct rndis_set_request *set; int ret; + if (dev->filter == new_filter) + return 0; + request = get_rndis_request(dev, RNDIS_MSG_SET, RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32)); if (!request) return -ENOMEM; - /* Setup the rndis set */ set = &request->request_msg.msg.set_req; set->oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER; @@ -842,8 +838,10 @@ static int rndis_filter_set_packet_filter(struct rndis_device *dev, &new_filter, sizeof(u32)); ret = rndis_filter_send_request(dev, request); - if (ret == 0) + if (ret == 0) { wait_for_completion(&request->wait_event); + dev->filter = new_filter; + } put_rndis_request(dev, request); @@ -854,15 +852,19 @@ static void rndis_set_multicast(struct work_struct *w) { struct rndis_device *rdev = container_of(w, struct rndis_device, mcast_work); + u32 filter = NDIS_PACKET_TYPE_DIRECTED; + unsigned int flags = rdev->ndev->flags; - if (rdev->ndev->flags & IFF_PROMISC) - rndis_filter_set_packet_filter(rdev, - NDIS_PACKET_TYPE_PROMISCUOUS); - else - rndis_filter_set_packet_filter(rdev, - NDIS_PACKET_TYPE_BROADCAST | - NDIS_PACKET_TYPE_ALL_MULTICAST | - NDIS_PACKET_TYPE_DIRECTED); + if (flags & IFF_PROMISC) { + filter = NDIS_PACKET_TYPE_PROMISCUOUS; + } else { + if (flags & IFF_ALLMULTI) + filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; + if (flags & IFF_BROADCAST) + filter |= NDIS_PACKET_TYPE_BROADCAST; + } + + rndis_filter_set_packet_filter(rdev, filter); } void rndis_filter_update(struct netvsc_device *nvdev) @@ -1116,6 +1118,7 @@ void rndis_set_subchannel(struct work_struct *w) for (i = 0; i < VRSS_SEND_TAB_SIZE; i++) ndev_ctx->tx_table[i] = i % nvdev->num_chn; + netif_device_attach(ndev); rtnl_unlock(); return; @@ -1126,6 +1129,8 @@ failed: nvdev->max_chn = 1; nvdev->num_chn = 1; + + netif_device_attach(ndev); unlock: rtnl_unlock(); } @@ -1328,6 +1333,10 @@ out: net_device->num_chn = 1; } + /* No sub channels, device is ready */ + if (net_device->num_chn == 1) + netif_device_attach(net); + return net_device; err_dev_remv: @@ -1346,7 +1355,6 @@ void rndis_filter_device_remove(struct hv_device *dev, net_dev->extension = NULL; netvsc_device_remove(dev); - kfree(rndis_dev); } int rndis_filter_open(struct netvsc_device *nvdev) @@ -1364,10 +1372,3 @@ int rndis_filter_close(struct netvsc_device *nvdev) return rndis_filter_close_device(nvdev->extension); } - -bool rndis_filter_opened(const struct netvsc_device *nvdev) -{ - const struct rndis_device *dev = nvdev->extension; - - return dev->state == RNDIS_DEV_DATAINITIALIZED; -} diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 7de88b3..9cbb0c8 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3277,7 +3277,7 @@ static int macsec_newlink(struct net *net, struct net_device *dev, err = netdev_upper_dev_link(real_dev, dev, extack); if (err < 0) - goto unregister; + goto put_dev; /* need to be already registered so that ->init has run and * the MAC addr is set @@ -3316,7 +3316,8 @@ del_dev: macsec_del_dev(macsec); unlink: netdev_upper_dev_unlink(real_dev, dev); -unregister: +put_dev: + dev_put(real_dev); unregister_netdevice(dev); return err; } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index a0f2be8..725f4b4 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1036,7 +1036,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev, lowerdev_features &= (features | ~NETIF_F_LRO); features = netdev_increment_features(lowerdev_features, features, mask); features |= ALWAYS_ON_FEATURES; - features &= ~NETIF_F_NETNS_LOCAL; + features &= (ALWAYS_ON_FEATURES | MACVLAN_FEATURES); return features; } @@ -1451,7 +1451,7 @@ destroy_macvlan_port: /* the macvlan port may be freed by macvlan_uninit when fail to register. * so we destroy the macvlan port only when it's valid. */ - if (create && macvlan_port_get_rtnl(dev)) + if (create && macvlan_port_get_rtnl(lowerdev)) macvlan_port_destroy(port->dev); return err; } diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index 171010e..5ad130c 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -341,8 +341,8 @@ void bcm_phy_get_strings(struct phy_device *phydev, u8 *data) unsigned int i; for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++) - memcpy(data + i * ETH_GSTRING_LEN, - bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN); } EXPORT_SYMBOL_GPL(bcm_phy_get_strings); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 22d9bc9..0e0978d 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1452,8 +1452,8 @@ static void marvell_get_strings(struct phy_device *phydev, u8 *data) int i; for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) { - memcpy(data + i * ETH_GSTRING_LEN, - marvell_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + marvell_hw_stats[i].string, ETH_GSTRING_LEN); } } diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 0f45310..f41b224 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -635,25 +635,6 @@ static int ksz8873mll_config_aneg(struct phy_device *phydev) return 0; } -/* This routine returns -1 as an indication to the caller that the - * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE - * MMD extended PHY registers. - */ -static int -ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int devad, u16 regnum) -{ - return -1; -} - -/* This routine does nothing since the Micrel ksz9021 does not support - * standard IEEE MMD extended PHY registers. - */ -static int -ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int devad, u16 regnum, u16 val) -{ - return -1; -} - static int kszphy_get_sset_count(struct phy_device *phydev) { return ARRAY_SIZE(kszphy_hw_stats); @@ -664,8 +645,8 @@ static void kszphy_get_strings(struct phy_device *phydev, u8 *data) int i; for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++) { - memcpy(data + i * ETH_GSTRING_LEN, - kszphy_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + kszphy_hw_stats[i].string, ETH_GSTRING_LEN); } } @@ -946,8 +927,8 @@ static struct phy_driver ksphy_driver[] = { .get_stats = kszphy_get_stats, .suspend = genphy_suspend, .resume = genphy_resume, - .read_mmd = ksz9021_rd_mmd_phyreg, - .write_mmd = ksz9021_wr_mmd_phyreg, + .read_mmd = genphy_read_mmd_unsupported, + .write_mmd = genphy_write_mmd_unsupported, }, { .phy_id = PHY_ID_KSZ9031, .phy_id_mask = MICREL_PHY_ID_MASK, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index e3e29c2..9aabfa1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -618,6 +618,77 @@ static void phy_error(struct phy_device *phydev) } /** + * phy_disable_interrupts - Disable the PHY interrupts from the PHY side + * @phydev: target phy_device struct + */ +static int phy_disable_interrupts(struct phy_device *phydev) +{ + int err; + + /* Disable PHY interrupts */ + err = phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED); + if (err) + goto phy_err; + + /* Clear the interrupt */ + err = phy_clear_interrupt(phydev); + if (err) + goto phy_err; + + return 0; + +phy_err: + phy_error(phydev); + + return err; +} + +/** + * phy_change - Called by the phy_interrupt to handle PHY changes + * @phydev: phy_device struct that interrupted + */ +static irqreturn_t phy_change(struct phy_device *phydev) +{ + if (phy_interrupt_is_valid(phydev)) { + if (phydev->drv->did_interrupt && + !phydev->drv->did_interrupt(phydev)) + return IRQ_NONE; + + if (phydev->state == PHY_HALTED) + if (phy_disable_interrupts(phydev)) + goto phy_err; + } + + mutex_lock(&phydev->lock); + if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) + phydev->state = PHY_CHANGELINK; + mutex_unlock(&phydev->lock); + + /* reschedule state queue work to run as soon as possible */ + phy_trigger_machine(phydev, true); + + if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev)) + goto phy_err; + return IRQ_HANDLED; + +phy_err: + phy_error(phydev); + return IRQ_NONE; +} + +/** + * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes + * @work: work_struct that describes the work to be done + */ +void phy_change_work(struct work_struct *work) +{ + struct phy_device *phydev = + container_of(work, struct phy_device, phy_queue); + + phy_change(phydev); +} + +/** * phy_interrupt - PHY interrupt handler * @irq: interrupt line * @phy_dat: phy_device pointer @@ -632,9 +703,7 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) if (PHY_HALTED == phydev->state) return IRQ_NONE; /* It can't be ours. */ - phy_change(phydev); - - return IRQ_HANDLED; + return phy_change(phydev); } /** @@ -652,32 +721,6 @@ static int phy_enable_interrupts(struct phy_device *phydev) } /** - * phy_disable_interrupts - Disable the PHY interrupts from the PHY side - * @phydev: target phy_device struct - */ -static int phy_disable_interrupts(struct phy_device *phydev) -{ - int err; - - /* Disable PHY interrupts */ - err = phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED); - if (err) - goto phy_err; - - /* Clear the interrupt */ - err = phy_clear_interrupt(phydev); - if (err) - goto phy_err; - - return 0; - -phy_err: - phy_error(phydev); - - return err; -} - -/** * phy_start_interrupts - request and enable interrupts for a PHY device * @phydev: target phy_device struct * @@ -720,50 +763,6 @@ int phy_stop_interrupts(struct phy_device *phydev) EXPORT_SYMBOL(phy_stop_interrupts); /** - * phy_change - Called by the phy_interrupt to handle PHY changes - * @phydev: phy_device struct that interrupted - */ -void phy_change(struct phy_device *phydev) -{ - if (phy_interrupt_is_valid(phydev)) { - if (phydev->drv->did_interrupt && - !phydev->drv->did_interrupt(phydev)) - return; - - if (phydev->state == PHY_HALTED) - if (phy_disable_interrupts(phydev)) - goto phy_err; - } - - mutex_lock(&phydev->lock); - if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) - phydev->state = PHY_CHANGELINK; - mutex_unlock(&phydev->lock); - - /* reschedule state queue work to run as soon as possible */ - phy_trigger_machine(phydev, true); - - if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev)) - goto phy_err; - return; - -phy_err: - phy_error(phydev); -} - -/** - * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes - * @work: work_struct that describes the work to be done - */ -void phy_change_work(struct work_struct *work) -{ - struct phy_device *phydev = - container_of(work, struct phy_device, phy_queue); - - phy_change(phydev); -} - -/** * phy_stop - Bring down the PHY link, and stop checking the status * @phydev: target phy_device struct */ @@ -819,7 +818,7 @@ void phy_start(struct phy_device *phydev) break; case PHY_HALTED: /* if phy was suspended, bring the physical link up again */ - phy_resume(phydev); + __phy_resume(phydev); /* make sure interrupts are re-enabled for the PHY */ if (phy_interrupt_is_valid(phydev)) { diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index b13eed2..74664a6 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -135,9 +135,7 @@ static int mdio_bus_phy_resume(struct device *dev) if (!mdio_bus_phy_may_suspend(phydev)) goto no_resume; - mutex_lock(&phydev->lock); ret = phy_resume(phydev); - mutex_unlock(&phydev->lock); if (ret < 0) return ret; @@ -1014,10 +1012,17 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, err = sysfs_create_link(&phydev->mdio.dev.kobj, &dev->dev.kobj, "attached_dev"); if (!err) { - err = sysfs_create_link(&dev->dev.kobj, &phydev->mdio.dev.kobj, - "phydev"); - if (err) - goto error; + err = sysfs_create_link_nowarn(&dev->dev.kobj, + &phydev->mdio.dev.kobj, + "phydev"); + if (err) { + dev_err(&dev->dev, "could not add device link to %s err %d\n", + kobject_name(&phydev->mdio.dev.kobj), + err); + /* non-fatal - some net drivers can use one netdevice + * with more then one phy + */ + } phydev->sysfs_links = true; } @@ -1041,9 +1046,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, if (err) goto error; - mutex_lock(&phydev->lock); phy_resume(phydev); - mutex_unlock(&phydev->lock); phy_led_triggers_register(phydev); return err; @@ -1172,7 +1175,7 @@ int phy_suspend(struct phy_device *phydev) } EXPORT_SYMBOL(phy_suspend); -int phy_resume(struct phy_device *phydev) +int __phy_resume(struct phy_device *phydev) { struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver); int ret = 0; @@ -1189,6 +1192,18 @@ int phy_resume(struct phy_device *phydev) return ret; } +EXPORT_SYMBOL(__phy_resume); + +int phy_resume(struct phy_device *phydev) +{ + int ret; + + mutex_lock(&phydev->lock); + ret = __phy_resume(phydev); + mutex_unlock(&phydev->lock); + + return ret; +} EXPORT_SYMBOL(phy_resume); int phy_loopback(struct phy_device *phydev, bool enable) @@ -1382,7 +1397,7 @@ int genphy_setup_forced(struct phy_device *phydev) ctl |= BMCR_FULLDPLX; return phy_modify(phydev, MII_BMCR, - BMCR_LOOPBACK | BMCR_ISOLATE | BMCR_PDOWN, ctl); + ~(BMCR_LOOPBACK | BMCR_ISOLATE | BMCR_PDOWN), ctl); } EXPORT_SYMBOL(genphy_setup_forced); @@ -1658,6 +1673,23 @@ int genphy_config_init(struct phy_device *phydev) } EXPORT_SYMBOL(genphy_config_init); +/* This is used for the phy device which doesn't support the MMD extended + * register access, but it does have side effect when we are trying to access + * the MMD register via indirect method. + */ +int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad, u16 regnum) +{ + return -EOPNOTSUPP; +} +EXPORT_SYMBOL(genphy_read_mmd_unsupported); + +int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, + u16 regnum, u16 val) +{ + return -EOPNOTSUPP; +} +EXPORT_SYMBOL(genphy_write_mmd_unsupported); + int genphy_suspend(struct phy_device *phydev) { return phy_set_bits(phydev, MII_BMCR, BMCR_PDOWN); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index ee3ca4a..9f48ecf 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -172,6 +172,8 @@ static struct phy_driver realtek_drvs[] = { .flags = PHY_HAS_INTERRUPT, .ack_interrupt = &rtl821x_ack_interrupt, .config_intr = &rtl8211b_config_intr, + .read_mmd = &genphy_read_mmd_unsupported, + .write_mmd = &genphy_write_mmd_unsupported, }, { .phy_id = 0x001cc914, .name = "RTL8211DN Gigabit Ethernet", diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 255a5de..da19378 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -257,7 +257,7 @@ struct ppp_net { /* Prototypes. */ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, struct file *file, unsigned int cmd, unsigned long arg); -static void ppp_xmit_process(struct ppp *ppp); +static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb); static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb); static void ppp_push(struct ppp *ppp); static void ppp_channel_push(struct channel *pch); @@ -513,13 +513,12 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, goto out; } - skb_queue_tail(&pf->xq, skb); - switch (pf->kind) { case INTERFACE: - ppp_xmit_process(PF_TO_PPP(pf)); + ppp_xmit_process(PF_TO_PPP(pf), skb); break; case CHANNEL: + skb_queue_tail(&pf->xq, skb); ppp_channel_push(PF_TO_CHANNEL(pf)); break; } @@ -1267,8 +1266,8 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev) put_unaligned_be16(proto, pp); skb_scrub_packet(skb, !net_eq(ppp->ppp_net, dev_net(dev))); - skb_queue_tail(&ppp->file.xq, skb); - ppp_xmit_process(ppp); + ppp_xmit_process(ppp, skb); + return NETDEV_TX_OK; outf: @@ -1420,13 +1419,14 @@ static void ppp_setup(struct net_device *dev) */ /* Called to do any work queued up on the transmit side that can now be done */ -static void __ppp_xmit_process(struct ppp *ppp) +static void __ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb) { - struct sk_buff *skb; - ppp_xmit_lock(ppp); if (!ppp->closing) { ppp_push(ppp); + + if (skb) + skb_queue_tail(&ppp->file.xq, skb); while (!ppp->xmit_pending && (skb = skb_dequeue(&ppp->file.xq))) ppp_send_frame(ppp, skb); @@ -1440,7 +1440,7 @@ static void __ppp_xmit_process(struct ppp *ppp) ppp_xmit_unlock(ppp); } -static void ppp_xmit_process(struct ppp *ppp) +static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb) { local_bh_disable(); @@ -1448,7 +1448,7 @@ static void ppp_xmit_process(struct ppp *ppp) goto err; (*this_cpu_ptr(ppp->xmit_recursion))++; - __ppp_xmit_process(ppp); + __ppp_xmit_process(ppp, skb); (*this_cpu_ptr(ppp->xmit_recursion))--; local_bh_enable(); @@ -1458,6 +1458,8 @@ static void ppp_xmit_process(struct ppp *ppp) err: local_bh_enable(); + kfree_skb(skb); + if (net_ratelimit()) netdev_err(ppp->dev, "recursion detected\n"); } @@ -1942,7 +1944,7 @@ static void __ppp_channel_push(struct channel *pch) if (skb_queue_empty(&pch->file.xq)) { ppp = pch->ppp; if (ppp) - __ppp_xmit_process(ppp); + __ppp_xmit_process(ppp, NULL); } } @@ -3161,6 +3163,15 @@ ppp_connect_channel(struct channel *pch, int unit) goto outl; ppp_lock(ppp); + spin_lock_bh(&pch->downl); + if (!pch->chan) { + /* Don't connect unregistered channels */ + spin_unlock_bh(&pch->downl); + ppp_unlock(ppp); + ret = -ENOTCONN; + goto outl; + } + spin_unlock_bh(&pch->downl); if (pch->file.hdrlen > ppp->file.hdrlen) ppp->file.hdrlen = pch->file.hdrlen; hdrlen = pch->file.hdrlen + 2; /* for protocol bytes */ diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index a468439..56c701b 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2395,7 +2395,7 @@ send_done: if (!nlh) { err = __send_and_alloc_skb(&skb, team, portid, send_func); if (err) - goto errout; + return err; goto send_done; } @@ -2681,7 +2681,7 @@ send_done: if (!nlh) { err = __send_and_alloc_skb(&skb, team, portid, send_func); if (err) - goto errout; + return err; goto send_done; } diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c index ca5e375..e0d6760 100644 --- a/drivers/net/thunderbolt.c +++ b/drivers/net/thunderbolt.c @@ -166,6 +166,8 @@ struct tbnet_ring { * @connected_work: Worker that finalizes the ThunderboltIP connection * setup and enables DMA paths for high speed data * transfers + * @disconnect_work: Worker that handles tearing down the ThunderboltIP + * connection * @rx_hdr: Copy of the currently processed Rx frame. Used when a * network packet consists of multiple Thunderbolt frames. * In host byte order. @@ -190,6 +192,7 @@ struct tbnet { int login_retries; struct delayed_work login_work; struct work_struct connected_work; + struct work_struct disconnect_work; struct thunderbolt_ip_frame_header rx_hdr; struct tbnet_ring rx_ring; atomic_t frame_id; @@ -445,7 +448,7 @@ static int tbnet_handle_packet(const void *buf, size_t size, void *data) case TBIP_LOGOUT: ret = tbnet_logout_response(net, route, sequence, command_id); if (!ret) - tbnet_tear_down(net, false); + queue_work(system_long_wq, &net->disconnect_work); break; default: @@ -659,6 +662,13 @@ static void tbnet_login_work(struct work_struct *work) } } +static void tbnet_disconnect_work(struct work_struct *work) +{ + struct tbnet *net = container_of(work, typeof(*net), disconnect_work); + + tbnet_tear_down(net, false); +} + static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf, const struct thunderbolt_ip_frame_header *hdr) { @@ -881,6 +891,7 @@ static int tbnet_stop(struct net_device *dev) napi_disable(&net->napi); + cancel_work_sync(&net->disconnect_work); tbnet_tear_down(net, true); tb_ring_free(net->rx_ring.ring); @@ -1195,6 +1206,7 @@ static int tbnet_probe(struct tb_service *svc, const struct tb_service_id *id) net = netdev_priv(dev); INIT_DELAYED_WORK(&net->login_work, tbnet_login_work); INIT_WORK(&net->connected_work, tbnet_connected_work); + INIT_WORK(&net->disconnect_work, tbnet_disconnect_work); mutex_init(&net->connection_lock); atomic_set(&net->command_id, 0); atomic_set(&net->frame_id, 0); @@ -1270,10 +1282,7 @@ static int __maybe_unused tbnet_suspend(struct device *dev) stop_login(net); if (netif_running(net->dev)) { netif_device_detach(net->dev); - tb_ring_stop(net->rx_ring.ring); - tb_ring_stop(net->tx_ring.ring); - tbnet_free_buffers(&net->rx_ring); - tbnet_free_buffers(&net->tx_ring); + tbnet_tear_down(net, true); } return 0; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 81e6cc9..28cfa64 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -181,7 +181,6 @@ struct tun_file { struct tun_struct *detached; struct ptr_ring tx_ring; struct xdp_rxq_info xdp_rxq; - int xdp_pending_pkts; }; struct tun_flow_entry { @@ -656,7 +655,7 @@ static struct tun_struct *tun_enable_queue(struct tun_file *tfile) return tun; } -static void tun_ptr_free(void *ptr) +void tun_ptr_free(void *ptr) { if (!ptr) return; @@ -668,6 +667,7 @@ static void tun_ptr_free(void *ptr) __skb_array_destroy_skb(ptr); } } +EXPORT_SYMBOL_GPL(tun_ptr_free); static void tun_queue_purge(struct tun_file *tfile) { @@ -1489,27 +1489,23 @@ static struct sk_buff *tun_napi_alloc_frags(struct tun_file *tfile, skb->truesize += skb->data_len; for (i = 1; i < it->nr_segs; i++) { + struct page_frag *pfrag = ¤t->task_frag; size_t fragsz = it->iov[i].iov_len; - unsigned long offset; - struct page *page; - void *data; if (fragsz == 0 || fragsz > PAGE_SIZE) { err = -EINVAL; goto free; } - local_bh_disable(); - data = napi_alloc_frag(fragsz); - local_bh_enable(); - if (!data) { + if (!skb_page_frag_refill(fragsz, pfrag, GFP_KERNEL)) { err = -ENOMEM; goto free; } - page = virt_to_head_page(data); - offset = data - page_address(page); - skb_fill_page_desc(skb, i - 1, page, offset, fragsz); + skb_fill_page_desc(skb, i - 1, pfrag->page, + pfrag->offset, fragsz); + page_ref_inc(pfrag->page); + pfrag->offset += fragsz; } return skb; @@ -1647,6 +1643,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, else *skb_xdp = 0; + preempt_disable(); rcu_read_lock(); xdp_prog = rcu_dereference(tun->xdp_prog); if (xdp_prog && !*skb_xdp) { @@ -1666,11 +1663,12 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, case XDP_REDIRECT: get_page(alloc_frag->page); alloc_frag->offset += buflen; - ++tfile->xdp_pending_pkts; err = xdp_do_redirect(tun->dev, &xdp, xdp_prog); + xdp_do_flush_map(); if (err) goto err_redirect; rcu_read_unlock(); + preempt_enable(); return NULL; case XDP_TX: xdp_xmit = true; @@ -1692,6 +1690,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, skb = build_skb(buf, buflen); if (!skb) { rcu_read_unlock(); + preempt_enable(); return ERR_PTR(-ENOMEM); } @@ -1704,10 +1703,12 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, skb->dev = tun->dev; generic_xdp_tx(skb, xdp_prog); rcu_read_unlock(); + preempt_enable(); return NULL; } rcu_read_unlock(); + preempt_enable(); return skb; @@ -1715,6 +1716,7 @@ err_redirect: put_page(alloc_frag->page); err_xdp: rcu_read_unlock(); + preempt_enable(); this_cpu_inc(tun->pcpu_stats->rx_dropped); return NULL; } @@ -1988,11 +1990,6 @@ static ssize_t tun_chr_write_iter(struct kiocb *iocb, struct iov_iter *from) result = tun_get_user(tun, tfile, NULL, from, file->f_flags & O_NONBLOCK, false); - if (tfile->xdp_pending_pkts) { - tfile->xdp_pending_pkts = 0; - xdp_do_flush_map(); - } - tun_put(tun); return result; } @@ -2329,13 +2326,6 @@ static int tun_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len) ret = tun_get_user(tun, tfile, m->msg_control, &m->msg_iter, m->msg_flags & MSG_DONTWAIT, m->msg_flags & MSG_MORE); - - if (tfile->xdp_pending_pkts >= NAPI_POLL_WEIGHT || - !(m->msg_flags & MSG_MORE)) { - tfile->xdp_pending_pkts = 0; - xdp_do_flush_map(); - } - tun_put(tun); return ret; } @@ -3167,7 +3157,6 @@ static int tun_chr_open(struct inode *inode, struct file * file) sock_set_flag(&tfile->sk, SOCK_ZEROCOPY); memset(&tfile->tx_ring, 0, sizeof(tfile->tx_ring)); - tfile->xdp_pending_pkts = 0; return 0; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 05dca3e..fff4b13 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -896,6 +896,12 @@ static const struct usb_device_id products[] = { USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&wwan_info, }, { + /* Cinterion PLS8 modem by GEMALTO */ + USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_info, +}, { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), .driver_info = (unsigned long) &cdc_info, diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 958b2e8..86f7196 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1794,7 +1794,7 @@ static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) tx_data += len; agg->skb_len += len; - agg->skb_num++; + agg->skb_num += skb_shinfo(skb)->gso_segs ?: 1; dev_kfree_skb_any(skb); diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index d0a1137..7a6a1fe 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -954,10 +954,11 @@ static int smsc75xx_set_features(struct net_device *netdev, /* it's racing here! */ ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); - if (ret < 0) + if (ret < 0) { netdev_warn(dev->net, "Error writing RFE_CTL\n"); - - return ret; + return ret; + } + return 0; } static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 8a22ff6..d9eea8c 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -315,6 +315,7 @@ static void __usbnet_status_stop_force(struct usbnet *dev) void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) { struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); + unsigned long flags; int status; if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { @@ -326,10 +327,10 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) if (skb->protocol == 0) skb->protocol = eth_type_trans (skb, dev->net); - u64_stats_update_begin(&stats64->syncp); + flags = u64_stats_update_begin_irqsave(&stats64->syncp); stats64->rx_packets++; stats64->rx_bytes += skb->len; - u64_stats_update_end(&stats64->syncp); + u64_stats_update_end_irqrestore(&stats64->syncp, flags); netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", skb->len + sizeof (struct ethhdr), skb->protocol); @@ -1248,11 +1249,12 @@ static void tx_complete (struct urb *urb) if (urb->status == 0) { struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); + unsigned long flags; - u64_stats_update_begin(&stats64->syncp); + flags = u64_stats_update_begin_irqsave(&stats64->syncp); stats64->tx_packets += entry->packets; stats64->tx_bytes += entry->length; - u64_stats_update_end(&stats64->syncp); + u64_stats_update_end_irqrestore(&stats64->syncp, flags); } else { dev->net->stats.tx_errors++; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 626c273..2337460 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -443,12 +443,8 @@ static bool __virtnet_xdp_xmit(struct virtnet_info *vi, sg_init_one(sq->sg, xdp->data, xdp->data_end - xdp->data); err = virtqueue_add_outbuf(sq->vq, sq->sg, 1, xdp->data, GFP_ATOMIC); - if (unlikely(err)) { - struct page *page = virt_to_head_page(xdp->data); - - put_page(page); - return false; - } + if (unlikely(err)) + return false; /* Caller handle free/refcnt */ return true; } @@ -456,8 +452,18 @@ static bool __virtnet_xdp_xmit(struct virtnet_info *vi, static int virtnet_xdp_xmit(struct net_device *dev, struct xdp_buff *xdp) { struct virtnet_info *vi = netdev_priv(dev); - bool sent = __virtnet_xdp_xmit(vi, xdp); + struct receive_queue *rq = vi->rq; + struct bpf_prog *xdp_prog; + bool sent; + + /* Only allow ndo_xdp_xmit if XDP is loaded on dev, as this + * indicate XDP resources have been successfully allocated. + */ + xdp_prog = rcu_dereference(rq->xdp_prog); + if (!xdp_prog) + return -ENXIO; + sent = __virtnet_xdp_xmit(vi, xdp); if (!sent) return -ENOSPC; return 0; @@ -498,6 +504,7 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, page_off += *len; while (--*num_buf) { + int tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); unsigned int buflen; void *buf; int off; @@ -512,7 +519,7 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, /* guard against a misconfigured or uncooperative backend that * is sending packet larger than the MTU. */ - if ((page_off + buflen) > PAGE_SIZE) { + if ((page_off + buflen + tailroom) > PAGE_SIZE) { put_page(p); goto err_buf; } @@ -546,8 +553,11 @@ static struct sk_buff *receive_small(struct net_device *dev, unsigned int buflen = SKB_DATA_ALIGN(GOOD_PACKET_LEN + headroom) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); struct page *page = virt_to_head_page(buf); - unsigned int delta = 0, err; + unsigned int delta = 0; struct page *xdp_page; + bool sent; + int err; + len -= vi->hdr_len; rcu_read_lock(); @@ -558,7 +568,7 @@ static struct sk_buff *receive_small(struct net_device *dev, void *orig_data; u32 act; - if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags)) + if (unlikely(hdr->hdr.gso_type)) goto err_xdp; if (unlikely(xdp_headroom < virtnet_get_headroom(vi))) { @@ -596,16 +606,19 @@ static struct sk_buff *receive_small(struct net_device *dev, delta = orig_data - xdp.data; break; case XDP_TX: - if (unlikely(!__virtnet_xdp_xmit(vi, &xdp))) + sent = __virtnet_xdp_xmit(vi, &xdp); + if (unlikely(!sent)) { trace_xdp_exception(vi->dev, xdp_prog, act); - else - *xdp_xmit = true; + goto err_xdp; + } + *xdp_xmit = true; rcu_read_unlock(); goto xdp_xmit; case XDP_REDIRECT: err = xdp_do_redirect(dev, &xdp, xdp_prog); - if (!err) - *xdp_xmit = true; + if (err) + goto err_xdp; + *xdp_xmit = true; rcu_read_unlock(); goto xdp_xmit; default: @@ -677,6 +690,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, struct bpf_prog *xdp_prog; unsigned int truesize; unsigned int headroom = mergeable_ctx_to_headroom(ctx); + bool sent; int err; head_skb = NULL; @@ -689,7 +703,12 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, void *data; u32 act; - /* This happens when rx buffer size is underestimated */ + /* This happens when rx buffer size is underestimated + * or headroom is not enough because of the buffer + * was refilled before XDP is set. This should only + * happen for the first several packets, so we don't + * care much about its performance. + */ if (unlikely(num_buf > 1 || headroom < virtnet_get_headroom(vi))) { /* linearize data for XDP */ @@ -724,9 +743,6 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, act = bpf_prog_run_xdp(xdp_prog, &xdp); - if (act != XDP_PASS) - ewma_pkt_len_add(&rq->mrg_avg_pkt_len, len); - switch (act) { case XDP_PASS: /* recalculate offset to account for any header @@ -746,18 +762,28 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, } break; case XDP_TX: - if (unlikely(!__virtnet_xdp_xmit(vi, &xdp))) + sent = __virtnet_xdp_xmit(vi, &xdp); + if (unlikely(!sent)) { trace_xdp_exception(vi->dev, xdp_prog, act); - else - *xdp_xmit = true; + if (unlikely(xdp_page != page)) + put_page(xdp_page); + goto err_xdp; + } + *xdp_xmit = true; if (unlikely(xdp_page != page)) goto err_xdp; rcu_read_unlock(); goto xdp_xmit; case XDP_REDIRECT: err = xdp_do_redirect(dev, &xdp, xdp_prog); - if (!err) - *xdp_xmit = true; + if (err) { + if (unlikely(xdp_page != page)) + put_page(xdp_page); + goto err_xdp; + } + *xdp_xmit = true; + if (unlikely(xdp_page != page)) + goto err_xdp; rcu_read_unlock(); goto xdp_xmit; default: @@ -1003,13 +1029,18 @@ static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq, } static unsigned int get_mergeable_buf_len(struct receive_queue *rq, - struct ewma_pkt_len *avg_pkt_len) + struct ewma_pkt_len *avg_pkt_len, + unsigned int room) { const size_t hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf); unsigned int len; - len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len), + if (room) + return PAGE_SIZE - room; + + len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len), rq->min_buf_len, PAGE_SIZE - hdr_len); + return ALIGN(len, L1_CACHE_BYTES); } @@ -1018,21 +1049,27 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, { struct page_frag *alloc_frag = &rq->alloc_frag; unsigned int headroom = virtnet_get_headroom(vi); + unsigned int tailroom = headroom ? sizeof(struct skb_shared_info) : 0; + unsigned int room = SKB_DATA_ALIGN(headroom + tailroom); char *buf; void *ctx; int err; unsigned int len, hole; - len = get_mergeable_buf_len(rq, &rq->mrg_avg_pkt_len); - if (unlikely(!skb_page_frag_refill(len + headroom, alloc_frag, gfp))) + /* Extra tailroom is needed to satisfy XDP's assumption. This + * means rx frags coalescing won't work, but consider we've + * disabled GSO for XDP, it won't be a big issue. + */ + len = get_mergeable_buf_len(rq, &rq->mrg_avg_pkt_len, room); + if (unlikely(!skb_page_frag_refill(len + room, alloc_frag, gfp))) return -ENOMEM; buf = (char *)page_address(alloc_frag->page) + alloc_frag->offset; buf += headroom; /* advance address leaving hole at front of pkt */ get_page(alloc_frag->page); - alloc_frag->offset += len + headroom; + alloc_frag->offset += len + room; hole = alloc_frag->size - alloc_frag->offset; - if (hole < len + headroom) { + if (hole < len + room) { /* To avoid internal fragmentation, if there is very likely not * enough space for another buffer, add the remaining space to * the current buffer. @@ -2175,8 +2212,9 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, } /* Make sure NAPI is not using any XDP TX queues for RX. */ - for (i = 0; i < vi->max_queue_pairs; i++) - napi_disable(&vi->rq[i].napi); + if (netif_running(dev)) + for (i = 0; i < vi->max_queue_pairs; i++) + napi_disable(&vi->rq[i].napi); netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp); err = _virtnet_set_queues(vi, curr_qp + xdp_qp); @@ -2195,7 +2233,8 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, } if (old_prog) bpf_prog_put(old_prog); - virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + if (netif_running(dev)) + virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); } return 0; @@ -2566,12 +2605,15 @@ static ssize_t mergeable_rx_buffer_size_show(struct netdev_rx_queue *queue, { struct virtnet_info *vi = netdev_priv(queue->dev); unsigned int queue_index = get_netdev_rx_queue_index(queue); + unsigned int headroom = virtnet_get_headroom(vi); + unsigned int tailroom = headroom ? sizeof(struct skb_shared_info) : 0; struct ewma_pkt_len *avg; BUG_ON(queue_index >= vi->max_queue_pairs); avg = &vi->rq[queue_index].mrg_avg_pkt_len; return sprintf(buf, "%u\n", - get_mergeable_buf_len(&vi->rq[queue_index], avg)); + get_mergeable_buf_len(&vi->rq[queue_index], avg, + SKB_DATA_ALIGN(headroom + tailroom))); } static struct rx_queue_attribute mergeable_rx_buffer_size_attribute = diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 8b39c16..e04937f 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -977,6 +977,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, { int ret; u32 count; + int num_pkts; + int tx_num_deferred; unsigned long flags; struct vmxnet3_tx_ctx ctx; union Vmxnet3_GenericDesc *gdesc; @@ -1075,12 +1077,12 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, #else gdesc = ctx.sop_txd; #endif + tx_num_deferred = le32_to_cpu(tq->shared->txNumDeferred); if (ctx.mss) { gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size; gdesc->txd.om = VMXNET3_OM_TSO; gdesc->txd.msscof = ctx.mss; - le32_add_cpu(&tq->shared->txNumDeferred, (skb->len - - gdesc->txd.hlen + ctx.mss - 1) / ctx.mss); + num_pkts = (skb->len - gdesc->txd.hlen + ctx.mss - 1) / ctx.mss; } else { if (skb->ip_summed == CHECKSUM_PARTIAL) { gdesc->txd.hlen = ctx.eth_ip_hdr_size; @@ -1091,8 +1093,10 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, gdesc->txd.om = 0; gdesc->txd.msscof = 0; } - le32_add_cpu(&tq->shared->txNumDeferred, 1); + num_pkts = 1; } + le32_add_cpu(&tq->shared->txNumDeferred, num_pkts); + tx_num_deferred += num_pkts; if (skb_vlan_tag_present(skb)) { gdesc->txd.ti = 1; @@ -1118,8 +1122,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, spin_unlock_irqrestore(&tq->tx_lock, flags); - if (le32_to_cpu(tq->shared->txNumDeferred) >= - le32_to_cpu(tq->shared->txThreshold)) { + if (tx_num_deferred >= le32_to_cpu(tq->shared->txThreshold)) { tq->shared->txNumDeferred = 0; VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_TXPROD + tq->qid * 8, @@ -1470,7 +1473,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, vmxnet3_rx_csum(adapter, skb, (union Vmxnet3_GenericDesc *)rcd); skb->protocol = eth_type_trans(skb, adapter->netdev); - if (!rcd->tcp || !adapter->lro) + if (!rcd->tcp || + !(adapter->netdev->features & NETIF_F_LRO)) goto not_lro; if (segCnt != 0 && mss != 0) { diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 5ba2229..59ec340 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.11.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.13.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040b00 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040d00 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ @@ -342,9 +342,6 @@ struct vmxnet3_adapter { u8 __iomem *hw_addr1; /* for BAR 1 */ u8 version; - bool rxcsum; - bool lro; - #ifdef VMXNET3_RSS struct UPT1_RSSConf *rss_conf; bool rss; diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index afeca6b..ab8b3cb 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -574,7 +574,10 @@ static void ppp_timer(struct timer_list *t) ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0, 0, NULL); proto->restart_counter--; - } else + } else if (netif_carrier_ok(proto->dev)) + ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0, + 0, NULL); + else ppp_cp_event(proto->dev, proto->pid, TO_BAD, 0, 0, 0, NULL); break; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index e89e5ef..f246e9e 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -729,6 +729,7 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, ieee80211_hw_set(hw, SPECTRUM_MGMT); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, DOESNT_SUPPORT_QOS_NDP); if (ath9k_ps_enable) ieee80211_hw_set(hw, SUPPORTS_PS); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h index df8a1ec..232dcbb 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h @@ -181,6 +181,7 @@ enum brcmf_netif_stop_reason { * @netif_stop_lock: spinlock for update netif_stop from multiple sources. * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. * @pend_8021x_wait: used for signalling change in count. + * @fwil_fwerr: flag indicating fwil layer should return firmware error codes. */ struct brcmf_if { struct brcmf_pub *drvr; @@ -198,6 +199,7 @@ struct brcmf_if { wait_queue_head_t pend_8021x_wait; struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES]; u8 ipv6addr_idx; + bool fwil_fwerr; }; int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index 47de35a..bede7b7 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -104,6 +104,9 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, u32 data; int err; + /* we need to know firmware error */ + ifp->fwil_fwerr = true; + err = brcmf_fil_iovar_int_get(ifp, name, &data); if (err == 0) { brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); @@ -112,6 +115,8 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, brcmf_dbg(TRACE, "%s feature check failed: %d\n", brcmf_feat_names[id], err); } + + ifp->fwil_fwerr = false; } static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, @@ -120,6 +125,9 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, { int err; + /* we need to know firmware error */ + ifp->fwil_fwerr = true; + err = brcmf_fil_iovar_data_set(ifp, name, data, len); if (err != -BRCMF_FW_UNSUPPORTED) { brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); @@ -128,6 +136,8 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, brcmf_dbg(TRACE, "%s feature check failed: %d\n", brcmf_feat_names[id], err); } + + ifp->fwil_fwerr = false; } #define MAX_CAPS_BUFFER_SIZE 512 diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c index f2cfdd3..fc57511 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c @@ -131,6 +131,9 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set) brcmf_fil_get_errstr((u32)(-fwerr)), fwerr); err = -EBADE; } + if (ifp->fwil_fwerr) + return fwerr; + return err; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 2ee5413..82064e9 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -462,25 +462,23 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac) * @dev_addr: optional device address. * * P2P needs mac addresses for P2P device and interface. If no device - * address it specified, these are derived from the primary net device, ie. - * the permanent ethernet address of the device. + * address it specified, these are derived from a random ethernet + * address. */ static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr) { - struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - bool local_admin = false; + bool random_addr = false; - if (!dev_addr || is_zero_ether_addr(dev_addr)) { - dev_addr = pri_ifp->mac_addr; - local_admin = true; - } + if (!dev_addr || is_zero_ether_addr(dev_addr)) + random_addr = true; - /* Generate the P2P Device Address. This consists of the device's - * primary MAC address with the locally administered bit set. + /* Generate the P2P Device Address obtaining a random ethernet + * address with the locally administered bit set. */ - memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); - if (local_admin) - p2p->dev_addr[0] |= 0x02; + if (random_addr) + eth_random_addr(p2p->dev_addr); + else + memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); /* Generate the P2P Interface Address. If the discovery and connection * BSSCFGs need to simultaneously co-exist, then this address must be diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index c5f2ddf..e5a2fc7 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -91,7 +91,6 @@ config IWLWIFI_BCAST_FILTERING config IWLWIFI_PCIE_RTPM bool "Enable runtime power management mode for PCIe devices" depends on IWLMVM && PM && EXPERT - default false help Say Y here to enable runtime power management for PCIe devices. If enabled, the device will go into low power mode diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h index 3721a3e..f824beb 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h @@ -211,7 +211,7 @@ enum { * @TE_V2_NOTIF_HOST_FRAG_END:request/receive notification on frag end * @TE_V2_NOTIF_INTERNAL_FRAG_START: internal FW use. * @TE_V2_NOTIF_INTERNAL_FRAG_END: internal FW use. - * @T2_V2_START_IMMEDIATELY: start time event immediately + * @TE_V2_START_IMMEDIATELY: start time event immediately * @TE_V2_DEP_OTHER: depends on another time event * @TE_V2_DEP_TSF: depends on a specific time * @TE_V2_EVENT_SOCIOPATHIC: can't co-exist with other events of tha same MAC @@ -230,7 +230,7 @@ enum iwl_time_event_policy { TE_V2_NOTIF_HOST_FRAG_END = BIT(5), TE_V2_NOTIF_INTERNAL_FRAG_START = BIT(6), TE_V2_NOTIF_INTERNAL_FRAG_END = BIT(7), - T2_V2_START_IMMEDIATELY = BIT(11), + TE_V2_START_IMMEDIATELY = BIT(11), /* placement characteristics */ TE_V2_DEP_OTHER = BIT(TE_V2_PLACEMENT_POS), diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 67aefc8..7bd704a 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -8,6 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -942,7 +944,6 @@ dump_trans_data: out: iwl_fw_free_dump_desc(fwrt); - fwrt->dump.trig = NULL; clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); } @@ -1112,6 +1113,14 @@ void iwl_fw_error_dump_wk(struct work_struct *work) fwrt->ops->dump_start(fwrt->ops_ctx)) return; + if (fwrt->ops && fwrt->ops->fw_running && + !fwrt->ops->fw_running(fwrt->ops_ctx)) { + IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); + iwl_fw_free_dump_desc(fwrt); + clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); + goto out; + } + if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { /* stop recording */ iwl_fw_dbg_stop_recording(fwrt); @@ -1145,7 +1154,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work) iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, out_ctrl); } } - +out: if (fwrt->ops && fwrt->ops->dump_end) fwrt->ops->dump_end(fwrt->ops_ctx); } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index 223fb77..72259bff 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -8,6 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -91,6 +93,7 @@ static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt) if (fwrt->dump.desc != &iwl_dump_desc_assert) kfree(fwrt->dump.desc); fwrt->dump.desc = NULL; + fwrt->dump.trig = NULL; } void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h index e57ff92..3da468d 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h @@ -75,6 +75,20 @@ static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) cancel_delayed_work_sync(&fwrt->timestamp.wk); } +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) +{ + cancel_delayed_work_sync(&fwrt->timestamp.wk); +} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) +{ + if (!fwrt->timestamp.delay) + return; + + schedule_delayed_work(&fwrt->timestamp.wk, + round_jiffies_relative(fwrt->timestamp.delay)); +} + #else static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, struct dentry *dbgfs_dir) @@ -84,4 +98,8 @@ static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {} +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {} + #endif /* CONFIG_IWLWIFI_DEBUGFS */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c index c39fe84..2efac30 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/init.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c @@ -77,8 +77,14 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans, } IWL_EXPORT_SYMBOL(iwl_fw_runtime_init); -void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt) +void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt) { - iwl_fw_cancel_timestamp(fwrt); + iwl_fw_suspend_timestamp(fwrt); } -IWL_EXPORT_SYMBOL(iwl_fw_runtime_exit); +IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend); + +void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt) +{ + iwl_fw_resume_timestamp(fwrt); +} +IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index e25c049..3fb940e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -6,6 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -26,6 +27,7 @@ * BSD LICENSE * * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -68,6 +70,7 @@ struct iwl_fw_runtime_ops { int (*dump_start)(void *ctx); void (*dump_end)(void *ctx); + bool (*fw_running)(void *ctx); }; #define MAX_NUM_LMAC 2 @@ -150,6 +153,10 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans, void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt); +void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt); + +void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt); + static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type cur_fw_img) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 0e6cf39..2efe9b0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1098,6 +1098,8 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) /* make sure the d0i3 exit work is not pending */ flush_work(&mvm->d0i3_exit_work); + iwl_fw_runtime_suspend(&mvm->fwrt); + ret = iwl_trans_suspend(trans); if (ret) return ret; @@ -2012,6 +2014,8 @@ int iwl_mvm_resume(struct ieee80211_hw *hw) mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; + iwl_fw_runtime_resume(&mvm->fwrt); + return ret; } @@ -2038,6 +2042,8 @@ static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file) mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; + iwl_fw_runtime_suspend(&mvm->fwrt); + /* start pseudo D3 */ rtnl_lock(); err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true); @@ -2098,6 +2104,8 @@ static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) __iwl_mvm_resume(mvm, true); rtnl_unlock(); + iwl_fw_runtime_resume(&mvm->fwrt); + mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; iwl_abort_notification_waits(&mvm->notif_wait); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index a7892c1..9c436d8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -35,6 +36,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1281,9 +1283,6 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, { int ret; - if (!iwl_mvm_firmware_running(mvm)) - return -EIO; - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 2f22e14..8ba16fc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -438,7 +438,8 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) } /* Allocate the CAB queue for softAP and GO interfaces */ - if (vif->type == NL80211_IFTYPE_AP) { + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) { /* * For TVQM this will be overwritten later with the FW assigned * queue value (when queue is enabled). diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 8aed40a..ebf5111 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -2106,15 +2107,40 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, if (ret) goto out_remove; - ret = iwl_mvm_add_mcast_sta(mvm, vif); - if (ret) - goto out_unbind; - - /* Send the bcast station. At this stage the TBTT and DTIM time events - * are added and applied to the scheduler */ - ret = iwl_mvm_send_add_bcast_sta(mvm, vif); - if (ret) - goto out_rm_mcast; + /* + * This is not very nice, but the simplest: + * For older FWs adding the mcast sta before the bcast station may + * cause assert 0x2b00. + * This is fixed in later FW so make the order of removal depend on + * the TLV + */ + if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { + ret = iwl_mvm_add_mcast_sta(mvm, vif); + if (ret) + goto out_unbind; + /* + * Send the bcast station. At this stage the TBTT and DTIM time + * events are added and applied to the scheduler + */ + ret = iwl_mvm_send_add_bcast_sta(mvm, vif); + if (ret) { + iwl_mvm_rm_mcast_sta(mvm, vif); + goto out_unbind; + } + } else { + /* + * Send the bcast station. At this stage the TBTT and DTIM time + * events are added and applied to the scheduler + */ + iwl_mvm_send_add_bcast_sta(mvm, vif); + if (ret) + goto out_unbind; + iwl_mvm_add_mcast_sta(mvm, vif); + if (ret) { + iwl_mvm_send_rm_bcast_sta(mvm, vif); + goto out_unbind; + } + } /* must be set before quota calculations */ mvmvif->ap_ibss_active = true; @@ -2144,7 +2170,6 @@ out_quota_failed: iwl_mvm_power_update_mac(mvm); mvmvif->ap_ibss_active = false; iwl_mvm_send_rm_bcast_sta(mvm, vif); -out_rm_mcast: iwl_mvm_rm_mcast_sta(mvm, vif); out_unbind: iwl_mvm_binding_remove_vif(mvm, vif); @@ -2682,6 +2707,10 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, /* enable beacon filtering */ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + + iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, + false); + ret = 0; } else if (old_state == IEEE80211_STA_AUTHORIZED && new_state == IEEE80211_STA_ASSOC) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 2d28e08..89ff02d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -90,6 +90,7 @@ #include "fw/runtime.h" #include "fw/dbg.h" #include "fw/acpi.h" +#include "fw/debugfs.h" #define IWL_MVM_MAX_ADDRESSES 5 /* RSSI offset for WkP */ @@ -1783,6 +1784,7 @@ static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) { + iwl_fw_cancel_timestamp(&mvm->fwrt); iwl_free_fw_paging(&mvm->fwrt); clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); iwl_fw_dump_conf_clear(&mvm->fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 5d525a0..ab7fb5a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -35,6 +36,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -552,9 +554,15 @@ static void iwl_mvm_fwrt_dump_end(void *ctx) iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); } +static bool iwl_mvm_fwrt_fw_running(void *ctx) +{ + return iwl_mvm_firmware_running(ctx); +} + static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, + .fw_running = iwl_mvm_fwrt_fw_running, }; static struct iwl_op_mode * @@ -802,7 +810,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); out_free: - iwl_fw_runtime_exit(&mvm->fwrt); iwl_fw_flush_dump(&mvm->fwrt); if (iwlmvm_mod_params.init_dbg) @@ -843,7 +850,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) kfree(mvm->d3_resume_sram); #endif - iwl_fw_runtime_exit(&mvm->fwrt); iwl_trans_op_mode_leave(mvm->trans); iwl_phy_db_free(mvm->phy_db); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 60abb00..47f4c7a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2684,7 +2684,8 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, enum nl80211_band band, - struct rs_rate *rate) + struct rs_rate *rate, + bool init) { int i, nentries; unsigned long active_rate; @@ -2738,14 +2739,25 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, */ if (sta->vht_cap.vht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { - switch (sta->bandwidth) { - case IEEE80211_STA_RX_BW_160: - case IEEE80211_STA_RX_BW_80: - case IEEE80211_STA_RX_BW_40: + /* + * In AP mode, when a new station associates, rs is initialized + * immediately upon association completion, before the phy + * context is updated with the association parameters, so the + * sta bandwidth might be wider than the phy context allows. + * To avoid this issue, always initialize rs with 20mhz + * bandwidth rate, and after authorization, when the phy context + * is already up-to-date, re-init rs with the correct bw. + */ + u32 bw = init ? RATE_MCS_CHAN_WIDTH_20 : rs_bw_from_sta_bw(sta); + + switch (bw) { + case RATE_MCS_CHAN_WIDTH_40: + case RATE_MCS_CHAN_WIDTH_80: + case RATE_MCS_CHAN_WIDTH_160: initial_rates = rs_optimal_rates_vht; nentries = ARRAY_SIZE(rs_optimal_rates_vht); break; - case IEEE80211_STA_RX_BW_20: + case RATE_MCS_CHAN_WIDTH_20: initial_rates = rs_optimal_rates_vht_20mhz; nentries = ARRAY_SIZE(rs_optimal_rates_vht_20mhz); break; @@ -2756,7 +2768,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, active_rate = lq_sta->active_siso_rate; rate->type = LQ_VHT_SISO; - rate->bw = rs_bw_from_sta_bw(sta); + rate->bw = bw; } else if (sta->ht_cap.ht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { initial_rates = rs_optimal_rates_ht; @@ -2839,7 +2851,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, tbl = &(lq_sta->lq_info[active_tbl]); rate = &tbl->rate; - rs_get_initial_rate(mvm, sta, lq_sta, band, rate); + rs_get_initial_rate(mvm, sta, lq_sta, band, rate, init); rs_init_optimal_rate(mvm, sta, lq_sta); WARN_ONCE(rate->ant != ANT_A && rate->ant != ANT_B, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index a3f7c1b..580de58 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -71,6 +71,7 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb); struct iwl_mvm_key_pn *ptk_pn; + int res; u8 tid, keyidx; u8 pn[IEEE80211_CCMP_PN_LEN]; u8 *extiv; @@ -127,12 +128,13 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, pn[4] = extiv[1]; pn[5] = extiv[0]; - if (memcmp(pn, ptk_pn->q[queue].pn[tid], - IEEE80211_CCMP_PN_LEN) <= 0) + res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN); + if (res < 0) + return -1; + if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN)) return -1; - if (!(stats->flag & RX_FLAG_AMSDU_MORE)) - memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN); + memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN); stats->flag |= RX_FLAG_PN_VALIDATED; return 0; @@ -314,28 +316,21 @@ static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, } /* - * returns true if a packet outside BA session is a duplicate and - * should be dropped + * returns true if a packet is a duplicate and should be dropped. + * Updates AMSDU PN tracking info */ -static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue, - struct ieee80211_rx_status *rx_status, - struct ieee80211_hdr *hdr, - struct iwl_rx_mpdu_desc *desc) +static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, + struct ieee80211_rx_status *rx_status, + struct ieee80211_hdr *hdr, + struct iwl_rx_mpdu_desc *desc) { struct iwl_mvm_sta *mvm_sta; struct iwl_mvm_rxq_dup_data *dup_data; - u8 baid, tid, sub_frame_idx; + u8 tid, sub_frame_idx; if (WARN_ON(IS_ERR_OR_NULL(sta))) return false; - baid = (le32_to_cpu(desc->reorder_data) & - IWL_RX_MPDU_REORDER_BAID_MASK) >> - IWL_RX_MPDU_REORDER_BAID_SHIFT; - - if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) - return false; - mvm_sta = iwl_mvm_sta_from_mac80211(sta); dup_data = &mvm_sta->dup_data[queue]; @@ -365,6 +360,12 @@ static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue, dup_data->last_sub_frame[tid] >= sub_frame_idx)) return true; + /* Allow same PN as the first subframe for following sub frames */ + if (dup_data->last_seq[tid] == hdr->seq_ctrl && + sub_frame_idx > dup_data->last_sub_frame[tid] && + desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) + rx_status->flag |= RX_FLAG_ALLOW_SAME_PN; + dup_data->last_seq[tid] = hdr->seq_ctrl; dup_data->last_sub_frame[tid] = sub_frame_idx; @@ -971,7 +972,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (ieee80211_is_data(hdr->frame_control)) iwl_mvm_rx_csum(sta, skb, desc); - if (iwl_mvm_is_nonagg_dup(sta, queue, rx_status, hdr, desc)) { + if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) { kfree_skb(skb); goto out; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 6b2674e..630e23c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2039,7 +2039,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) struct iwl_trans_txq_scd_cfg cfg = { .fifo = IWL_MVM_TX_FIFO_MCAST, .sta_id = msta->sta_id, - .tid = IWL_MAX_TID_COUNT, + .tid = 0, .aggregate = false, .frame_limit = IWL_FRAME_LIMIT, }; @@ -2053,6 +2053,17 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return -ENOTSUPP; /* + * In IBSS, ieee80211_check_queues() sets the cab_queue to be + * invalid, so make sure we use the queue we want. + * Note that this is done here as we want to avoid making DQA + * changes in mac80211 layer. + */ + if (vif->type == NL80211_IFTYPE_ADHOC) { + vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; + mvmvif->cab_queue = vif->cab_queue; + } + + /* * While in previous FWs we had to exclude cab queue from TFD queue * mask, now it is needed as any other queue. */ @@ -2079,24 +2090,13 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) if (iwl_mvm_has_new_tx_api(mvm)) { int queue = iwl_mvm_tvqm_enable_txq(mvm, vif->cab_queue, msta->sta_id, - IWL_MAX_TID_COUNT, + 0, timeout); mvmvif->cab_queue = queue; } else if (!fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_STA_TYPE)) { - /* - * In IBSS, ieee80211_check_queues() sets the cab_queue to be - * invalid, so make sure we use the queue we want. - * Note that this is done here as we want to avoid making DQA - * changes in mac80211 layer. - */ - if (vif->type == NL80211_IFTYPE_ADHOC) { - vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; - mvmvif->cab_queue = vif->cab_queue; - } + IWL_UCODE_TLV_API_STA_TYPE)) iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0, &cfg, timeout); - } return 0; } @@ -2115,7 +2115,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0); iwl_mvm_disable_txq(mvm, mvmvif->cab_queue, vif->cab_queue, - IWL_MAX_TID_COUNT, 0); + 0, 0); ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id); if (ret) @@ -3170,8 +3170,9 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id, int ret, size; u32 status; + /* This is a valid situation for GTK removal */ if (sta_id == IWL_MVM_INVALID_STA) - return -EINVAL; + return 0; key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) & STA_KEY_FLG_KEYID_MSK); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 200ab50..acb217e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -616,7 +616,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, time_cmd.repeat = 1; time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_NOTIF_HOST_EVENT_END | - T2_V2_START_IMMEDIATELY); + TE_V2_START_IMMEDIATELY); if (!wait_for_notif) { iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); @@ -803,7 +803,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, time_cmd.repeat = 1; time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_NOTIF_HOST_EVENT_END | - T2_V2_START_IMMEDIATELY); + TE_V2_START_IMMEDIATELY); return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } @@ -913,6 +913,8 @@ int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm, time_cmd.interval = cpu_to_le32(1); time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_ABSENCE); + if (!apply_time) + time_cmd.policy |= cpu_to_le16(TE_V2_START_IMMEDIATELY); return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index dda77b3..af6dfce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -419,11 +419,11 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, { struct ieee80211_key_conf *keyconf = info->control.hw_key; u8 *crypto_hdr = skb_frag->data + hdrlen; + enum iwl_tx_cmd_sec_ctrl type = TX_CMD_SEC_CCM; u64 pn; switch (keyconf->cipher) { case WLAN_CIPHER_SUITE_CCMP: - case WLAN_CIPHER_SUITE_CCMP_256: iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd); iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); break; @@ -447,13 +447,16 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: + type = TX_CMD_SEC_GCMP; + /* Fall through */ + case WLAN_CIPHER_SUITE_CCMP_256: /* TODO: Taking the key from the table might introduce a race * when PTK rekeying is done, having an old packets with a PN * based on the old key but the message encrypted with a new * one. * Need to handle this. */ - tx_cmd->sec_ctl |= TX_CMD_SEC_GCMP | TX_CMD_SEC_KEY_FROM_TABLE; + tx_cmd->sec_ctl |= type | TX_CMD_SEC_KEY_FROM_TABLE; tx_cmd->key[0] = keyconf->hw_key_idx; iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); break; @@ -645,7 +648,11 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE || info.control.vif->type == NL80211_IFTYPE_AP || info.control.vif->type == NL80211_IFTYPE_ADHOC) { - sta_id = mvmvif->bcast_sta.sta_id; + if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE) + sta_id = mvmvif->bcast_sta.sta_id; + else + sta_id = mvmvif->mcast_sta.sta_id; + queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info, hdr->frame_control); if (queue < 0) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 6d0a907..fabae0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -147,7 +147,7 @@ static void iwl_pcie_gen2_tfd_unmap(struct iwl_trans *trans, /* Sanity check on number of chunks */ num_tbs = iwl_pcie_gen2_get_num_tbs(trans, tfd); - if (num_tbs >= trans_pcie->max_tbs) { + if (num_tbs > trans_pcie->max_tbs) { IWL_ERR(trans, "Too many chunks: %i\n", num_tbs); return; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 3f85713..1a56628 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -378,7 +378,7 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, /* Sanity check on number of chunks */ num_tbs = iwl_pcie_tfd_get_num_tbs(trans, tfd); - if (num_tbs >= trans_pcie->max_tbs) { + if (num_tbs > trans_pcie->max_tbs) { IWL_ERR(trans, "Too many chunks: %i\n", num_tbs); /* @todo issue fatal error, it is quite serious situation */ return; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 1cf22e6..35b21f8 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2727,6 +2727,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, mutex_init(&data->mutex); data->netgroup = hwsim_net_get_netgroup(net); + data->wmediumd = hwsim_net_get_wmediumd(net); /* Enable frame retransmissions for lossy channels */ hw->max_rates = 4; @@ -3516,7 +3517,7 @@ static int __init init_mac80211_hwsim(void) spin_lock_init(&hwsim_radio_lock); - hwsim_wq = alloc_workqueue("hwsim_wq",WQ_MEM_RECLAIM,0); + hwsim_wq = alloc_workqueue("hwsim_wq", 0, 0); if (!hwsim_wq) return -ENOMEM; rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index f9ccd13..e7bbbc9 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -1125,7 +1125,8 @@ static void _rtl8723be_enable_aspm_back_door(struct ieee80211_hw *hw) /* Configuration Space offset 0x70f BIT7 is used to control L0S */ tmp8 = _rtl8723be_dbi_read(rtlpriv, 0x70f); - _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7)); + _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7) | + ASPM_L1_LATENCY << 3); /* Configuration Space offset 0x719 Bit3 is for L1 * BIT4 is for clock request diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 8328d39..3127bc8 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -2005,7 +2005,10 @@ static void netback_changed(struct xenbus_device *dev, case XenbusStateInitialised: case XenbusStateReconfiguring: case XenbusStateReconfigured: + break; + case XenbusStateUnknown: + wake_up_all(&module_unload_q); break; case XenbusStateInitWait: @@ -2136,7 +2139,9 @@ static int xennet_remove(struct xenbus_device *dev) xenbus_switch_state(dev, XenbusStateClosing); wait_event(module_unload_q, xenbus_read_driver_state(dev->otherend) == - XenbusStateClosing); + XenbusStateClosing || + xenbus_read_driver_state(dev->otherend) == + XenbusStateUnknown); xenbus_switch_state(dev, XenbusStateClosed); wait_event(module_unload_q, diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c index 345acca..1bd7b37 100644 --- a/drivers/nvdimm/blk.c +++ b/drivers/nvdimm/blk.c @@ -278,8 +278,6 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk) disk->queue = q; disk->flags = GENHD_FL_EXT_DEVT; nvdimm_namespace_disk_name(&nsblk->common, disk->disk_name); - set_capacity(disk, 0); - device_add_disk(dev, disk); if (devm_add_action_or_reset(dev, nd_blk_release_disk, disk)) return -ENOMEM; @@ -292,6 +290,7 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk) } set_capacity(disk, available_disk_size >> SECTOR_SHIFT); + device_add_disk(dev, disk); revalidate_disk(disk); return 0; } diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 2ef544f..4b95ac5 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1545,8 +1545,6 @@ static int btt_blk_init(struct btt *btt) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, btt->btt_queue); btt->btt_queue->queuedata = btt; - set_capacity(btt->btt_disk, 0); - device_add_disk(&btt->nd_btt->dev, btt->btt_disk); if (btt_meta_size(btt)) { int rc = nd_integrity_init(btt->btt_disk, btt_meta_size(btt)); @@ -1558,6 +1556,7 @@ static int btt_blk_init(struct btt *btt) } } set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9); + device_add_disk(&btt->nd_btt->dev, btt->btt_disk); btt->nd_btt->size = btt->nlba * (u64)btt->sector_size; revalidate_disk(btt->btt_disk); diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index f5c4e8c..2f4d187 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -304,7 +304,7 @@ static const struct attribute_group *nd_pfn_attribute_groups[] = { struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, struct nd_namespace_common *ndns) { - struct device *dev = &nd_pfn->dev; + struct device *dev; if (!nd_pfn) return NULL; diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 10041ac..06f8dcc 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -335,8 +335,7 @@ static int pmem_attach_disk(struct device *dev, dev_warn(dev, "unable to guarantee persistence of writes\n"); fua = 0; } - wbc = nvdimm_has_cache(nd_region) && - !test_bit(ND_REGION_PERSIST_CACHE, &nd_region->flags); + wbc = nvdimm_has_cache(nd_region); if (!devm_request_mem_region(dev, res->start, resource_size(res), dev_name(&ndns->dev))) { diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index e6d0191..1593e18 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -532,11 +532,13 @@ static ssize_t persistence_domain_show(struct device *dev, struct device_attribute *attr, char *buf) { struct nd_region *nd_region = to_nd_region(dev); - unsigned long flags = nd_region->flags; - return sprintf(buf, "%s%s\n", - flags & BIT(ND_REGION_PERSIST_CACHE) ? "cpu_cache " : "", - flags & BIT(ND_REGION_PERSIST_MEMCTRL) ? "memory_controller " : ""); + if (test_bit(ND_REGION_PERSIST_CACHE, &nd_region->flags)) + return sprintf(buf, "cpu_cache\n"); + else if (test_bit(ND_REGION_PERSIST_MEMCTRL, &nd_region->flags)) + return sprintf(buf, "memory_controller\n"); + else + return sprintf(buf, "\n"); } static DEVICE_ATTR_RO(persistence_domain); @@ -593,6 +595,13 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n) return 0; } + if (a == &dev_attr_persistence_domain.attr) { + if ((nd_region->flags & (BIT(ND_REGION_PERSIST_CACHE) + | BIT(ND_REGION_PERSIST_MEMCTRL))) == 0) + return 0; + return a->mode; + } + if (a != &dev_attr_set_cookie.attr && a != &dev_attr_available_size.attr) return a->mode; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f431c32..7aeca5d 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -120,8 +120,12 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) int ret; ret = nvme_reset_ctrl(ctrl); - if (!ret) + if (!ret) { flush_work(&ctrl->reset_work); + if (ctrl->state != NVME_CTRL_LIVE) + ret = -ENETRESET; + } + return ret; } EXPORT_SYMBOL_GPL(nvme_reset_ctrl_sync); @@ -265,7 +269,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, switch (new_state) { case NVME_CTRL_ADMIN_ONLY: switch (old_state) { - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: changed = true; /* FALLTHRU */ default: @@ -276,7 +280,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, switch (old_state) { case NVME_CTRL_NEW: case NVME_CTRL_RESETTING: - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: changed = true; /* FALLTHRU */ default: @@ -294,9 +298,9 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, break; } break; - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: switch (old_state) { - case NVME_CTRL_LIVE: + case NVME_CTRL_NEW: case NVME_CTRL_RESETTING: changed = true; /* FALLTHRU */ @@ -309,7 +313,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, case NVME_CTRL_LIVE: case NVME_CTRL_ADMIN_ONLY: case NVME_CTRL_RESETTING: - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: changed = true; /* FALLTHRU */ default: @@ -518,9 +522,11 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req, u64 slba = nvme_block_nr(ns, bio->bi_iter.bi_sector); u32 nlb = bio->bi_iter.bi_size >> ns->lba_shift; - range[n].cattr = cpu_to_le32(0); - range[n].nlb = cpu_to_le32(nlb); - range[n].slba = cpu_to_le64(slba); + if (n < segments) { + range[n].cattr = cpu_to_le32(0); + range[n].nlb = cpu_to_le32(nlb); + range[n].slba = cpu_to_le64(slba); + } n++; } @@ -794,13 +800,9 @@ static void nvme_keep_alive_end_io(struct request *rq, blk_status_t status) static int nvme_keep_alive(struct nvme_ctrl *ctrl) { - struct nvme_command c; struct request *rq; - memset(&c, 0, sizeof(c)); - c.common.opcode = nvme_admin_keep_alive; - - rq = nvme_alloc_request(ctrl->admin_q, &c, BLK_MQ_REQ_RESERVED, + rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd, BLK_MQ_REQ_RESERVED, NVME_QID_ANY); if (IS_ERR(rq)) return PTR_ERR(rq); @@ -832,6 +834,8 @@ void nvme_start_keep_alive(struct nvme_ctrl *ctrl) return; INIT_DELAYED_WORK(&ctrl->ka_work, nvme_keep_alive_work); + memset(&ctrl->ka_cmd, 0, sizeof(ctrl->ka_cmd)); + ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); } EXPORT_SYMBOL_GPL(nvme_start_keep_alive); @@ -1117,14 +1121,19 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, static void nvme_update_formats(struct nvme_ctrl *ctrl) { - struct nvme_ns *ns; + struct nvme_ns *ns, *next; + LIST_HEAD(rm_list); mutex_lock(&ctrl->namespaces_mutex); list_for_each_entry(ns, &ctrl->namespaces, list) { - if (ns->disk && nvme_revalidate_disk(ns->disk)) - nvme_ns_remove(ns); + if (ns->disk && nvme_revalidate_disk(ns->disk)) { + list_move_tail(&ns->list, &rm_list); + } } mutex_unlock(&ctrl->namespaces_mutex); + + list_for_each_entry_safe(ns, next, &rm_list, list) + nvme_ns_remove(ns); } static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) @@ -2687,7 +2696,7 @@ static ssize_t nvme_sysfs_show_state(struct device *dev, [NVME_CTRL_LIVE] = "live", [NVME_CTRL_ADMIN_ONLY] = "only-admin", [NVME_CTRL_RESETTING] = "resetting", - [NVME_CTRL_RECONNECTING]= "reconnecting", + [NVME_CTRL_CONNECTING] = "connecting", [NVME_CTRL_DELETING] = "deleting", [NVME_CTRL_DEAD] = "dead", }; @@ -2835,7 +2844,7 @@ out: } static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid, - struct nvme_id_ns *id, bool *new) + struct nvme_id_ns *id) { struct nvme_ctrl *ctrl = ns->ctrl; bool is_shared = id->nmic & (1 << 0); @@ -2851,8 +2860,6 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid, ret = PTR_ERR(head); goto out_unlock; } - - *new = true; } else { struct nvme_ns_ids ids; @@ -2864,8 +2871,6 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid, ret = -EINVAL; goto out_unlock; } - - *new = false; } list_add_tail(&ns->siblings, &head->list); @@ -2936,7 +2941,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) struct nvme_id_ns *id; char disk_name[DISK_NAME_LEN]; int node = dev_to_node(ctrl->dev), flags = GENHD_FL_EXT_DEVT; - bool new = true; ns = kzalloc_node(sizeof(*ns), GFP_KERNEL, node); if (!ns) @@ -2962,7 +2966,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) if (id->ncap == 0) goto out_free_id; - if (nvme_init_ns_head(ns, nsid, id, &new)) + if (nvme_init_ns_head(ns, nsid, id)) goto out_free_id; nvme_setup_streams_ns(ctrl, ns); @@ -3028,9 +3032,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) pr_warn("%s: failed to register lightnvm sysfs group for identification\n", ns->disk->disk_name); - if (new) - nvme_mpath_add_disk(ns->head); - nvme_mpath_add_disk_links(ns); + nvme_mpath_add_disk(ns->head); return; out_unlink_ns: mutex_lock(&ctrl->subsys->lock); @@ -3050,7 +3052,6 @@ static void nvme_ns_remove(struct nvme_ns *ns) return; if (ns->disk && ns->disk->flags & GENHD_FL_UP) { - nvme_mpath_remove_disk_links(ns); sysfs_remove_group(&disk_to_dev(ns->disk)->kobj, &nvme_ns_id_attr_group); if (ns->ndev) diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 5dd4cee..8f0f34d 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -493,7 +493,7 @@ EXPORT_SYMBOL_GPL(nvmf_should_reconnect); */ int nvmf_register_transport(struct nvmf_transport_ops *ops) { - if (!ops->create_ctrl || !ops->module) + if (!ops->create_ctrl) return -EINVAL; down_write(&nvmf_transports_rwsem); @@ -650,6 +650,11 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, ret = -EINVAL; goto out; } + if (opts->discovery_nqn) { + pr_debug("Ignoring nr_io_queues value for discovery controller\n"); + break; + } + opts->nr_io_queues = min_t(unsigned int, num_online_cpus(), token); break; diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 25b19f7..a3145d9 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -171,13 +171,14 @@ static inline blk_status_t nvmf_check_init_req(struct nvme_ctrl *ctrl, cmd->common.opcode != nvme_fabrics_command || cmd->fabrics.fctype != nvme_fabrics_type_connect) { /* - * Reconnecting state means transport disruption, which can take - * a long time and even might fail permanently, fail fast to - * give upper layers a chance to failover. + * Connecting state means transport disruption or initial + * establishment, which can take a long time and even might + * fail permanently, fail fast to give upper layers a chance + * to failover. * Deleting state means that the ctrl will never accept commands * again, fail it permanently. */ - if (ctrl->state == NVME_CTRL_RECONNECTING || + if (ctrl->state == NVME_CTRL_CONNECTING || ctrl->state == NVME_CTRL_DELETING) { nvme_req(rq)->status = NVME_SC_ABORT_REQ; return BLK_STS_IOERR; diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index b856d7c..1dc1387 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -55,9 +55,7 @@ struct nvme_fc_queue { enum nvme_fcop_flags { FCOP_FLAGS_TERMIO = (1 << 0), - FCOP_FLAGS_RELEASED = (1 << 1), - FCOP_FLAGS_COMPLETE = (1 << 2), - FCOP_FLAGS_AEN = (1 << 3), + FCOP_FLAGS_AEN = (1 << 1), }; struct nvmefc_ls_req_op { @@ -532,7 +530,7 @@ nvme_fc_resume_controller(struct nvme_fc_ctrl *ctrl) { switch (ctrl->ctrl.state) { case NVME_CTRL_NEW: - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: /* * As all reconnects were suppressed, schedule a * connect. @@ -777,7 +775,7 @@ nvme_fc_ctrl_connectivity_loss(struct nvme_fc_ctrl *ctrl) } break; - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: /* * The association has already been terminated and the * controller is attempting reconnects. No need to do anything @@ -1208,7 +1206,7 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl, sizeof(struct fcnvme_lsdesc_cr_assoc_cmd)); assoc_rqst->assoc_cmd.ersp_ratio = cpu_to_be16(ersp_ratio); - assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize); + assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize - 1); /* Linux supports only Dynamic controllers */ assoc_rqst->assoc_cmd.cntlid = cpu_to_be16(0xffff); uuid_copy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id); @@ -1323,7 +1321,7 @@ nvme_fc_connect_queue(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, sizeof(struct fcnvme_lsdesc_cr_conn_cmd)); conn_rqst->connect_cmd.ersp_ratio = cpu_to_be16(ersp_ratio); conn_rqst->connect_cmd.qid = cpu_to_be16(queue->qnum); - conn_rqst->connect_cmd.sqsize = cpu_to_be16(qsize); + conn_rqst->connect_cmd.sqsize = cpu_to_be16(qsize - 1); lsop->queue = queue; lsreq->rqstaddr = conn_rqst; @@ -1470,7 +1468,6 @@ nvme_fc_xmt_disconnect_assoc(struct nvme_fc_ctrl *ctrl) /* *********************** NVME Ctrl Routines **************************** */ -static void __nvme_fc_final_op_cleanup(struct request *rq); static void nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg); static int @@ -1512,13 +1509,19 @@ nvme_fc_exit_request(struct blk_mq_tag_set *set, struct request *rq, static int __nvme_fc_abort_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_fcp_op *op) { - int state; + unsigned long flags; + int opstate; + + spin_lock_irqsave(&ctrl->lock, flags); + opstate = atomic_xchg(&op->state, FCPOP_STATE_ABORTED); + if (opstate != FCPOP_STATE_ACTIVE) + atomic_set(&op->state, opstate); + else if (ctrl->flags & FCCTRL_TERMIO) + ctrl->iocnt++; + spin_unlock_irqrestore(&ctrl->lock, flags); - state = atomic_xchg(&op->state, FCPOP_STATE_ABORTED); - if (state != FCPOP_STATE_ACTIVE) { - atomic_set(&op->state, state); + if (opstate != FCPOP_STATE_ACTIVE) return -ECANCELED; - } ctrl->lport->ops->fcp_abort(&ctrl->lport->localport, &ctrl->rport->remoteport, @@ -1532,60 +1535,26 @@ static void nvme_fc_abort_aen_ops(struct nvme_fc_ctrl *ctrl) { struct nvme_fc_fcp_op *aen_op = ctrl->aen_ops; - unsigned long flags; - int i, ret; - - for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) { - if (atomic_read(&aen_op->state) != FCPOP_STATE_ACTIVE) - continue; - - spin_lock_irqsave(&ctrl->lock, flags); - if (ctrl->flags & FCCTRL_TERMIO) { - ctrl->iocnt++; - aen_op->flags |= FCOP_FLAGS_TERMIO; - } - spin_unlock_irqrestore(&ctrl->lock, flags); - - ret = __nvme_fc_abort_op(ctrl, aen_op); - if (ret) { - /* - * if __nvme_fc_abort_op failed the io wasn't - * active. Thus this call path is running in - * parallel to the io complete. Treat as non-error. - */ + int i; - /* back out the flags/counters */ - spin_lock_irqsave(&ctrl->lock, flags); - if (ctrl->flags & FCCTRL_TERMIO) - ctrl->iocnt--; - aen_op->flags &= ~FCOP_FLAGS_TERMIO; - spin_unlock_irqrestore(&ctrl->lock, flags); - return; - } - } + for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) + __nvme_fc_abort_op(ctrl, aen_op); } -static inline int +static inline void __nvme_fc_fcpop_chk_teardowns(struct nvme_fc_ctrl *ctrl, - struct nvme_fc_fcp_op *op) + struct nvme_fc_fcp_op *op, int opstate) { unsigned long flags; - bool complete_rq = false; - spin_lock_irqsave(&ctrl->lock, flags); - if (unlikely(op->flags & FCOP_FLAGS_TERMIO)) { + if (opstate == FCPOP_STATE_ABORTED) { + spin_lock_irqsave(&ctrl->lock, flags); if (ctrl->flags & FCCTRL_TERMIO) { if (!--ctrl->iocnt) wake_up(&ctrl->ioabort_wait); } + spin_unlock_irqrestore(&ctrl->lock, flags); } - if (op->flags & FCOP_FLAGS_RELEASED) - complete_rq = true; - else - op->flags |= FCOP_FLAGS_COMPLETE; - spin_unlock_irqrestore(&ctrl->lock, flags); - - return complete_rq; } static void @@ -1601,6 +1570,7 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) __le16 status = cpu_to_le16(NVME_SC_SUCCESS << 1); union nvme_result result; bool terminate_assoc = true; + int opstate; /* * WARNING: @@ -1639,11 +1609,12 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) * association to be terminated. */ + opstate = atomic_xchg(&op->state, FCPOP_STATE_COMPLETE); + fc_dma_sync_single_for_cpu(ctrl->lport->dev, op->fcp_req.rspdma, sizeof(op->rsp_iu), DMA_FROM_DEVICE); - if (atomic_read(&op->state) == FCPOP_STATE_ABORTED || - op->flags & FCOP_FLAGS_TERMIO) + if (opstate == FCPOP_STATE_ABORTED) status = cpu_to_le16(NVME_SC_ABORT_REQ << 1); else if (freq->status) status = cpu_to_le16(NVME_SC_INTERNAL << 1); @@ -1708,7 +1679,7 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) done: if (op->flags & FCOP_FLAGS_AEN) { nvme_complete_async_event(&queue->ctrl->ctrl, status, &result); - __nvme_fc_fcpop_chk_teardowns(ctrl, op); + __nvme_fc_fcpop_chk_teardowns(ctrl, op, opstate); atomic_set(&op->state, FCPOP_STATE_IDLE); op->flags = FCOP_FLAGS_AEN; /* clear other flags */ nvme_fc_ctrl_put(ctrl); @@ -1722,13 +1693,11 @@ done: if (status && (blk_queue_dying(rq->q) || ctrl->ctrl.state == NVME_CTRL_NEW || - ctrl->ctrl.state == NVME_CTRL_RECONNECTING)) + ctrl->ctrl.state == NVME_CTRL_CONNECTING)) status |= cpu_to_le16(NVME_SC_DNR << 1); - if (__nvme_fc_fcpop_chk_teardowns(ctrl, op)) - __nvme_fc_final_op_cleanup(rq); - else - nvme_end_request(rq, status, result); + __nvme_fc_fcpop_chk_teardowns(ctrl, op, opstate); + nvme_end_request(rq, status, result); check_error: if (terminate_assoc) @@ -2415,46 +2384,16 @@ nvme_fc_submit_async_event(struct nvme_ctrl *arg) } static void -__nvme_fc_final_op_cleanup(struct request *rq) +nvme_fc_complete_rq(struct request *rq) { struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq); struct nvme_fc_ctrl *ctrl = op->ctrl; atomic_set(&op->state, FCPOP_STATE_IDLE); - op->flags &= ~(FCOP_FLAGS_TERMIO | FCOP_FLAGS_RELEASED | - FCOP_FLAGS_COMPLETE); nvme_fc_unmap_data(ctrl, rq, op); nvme_complete_rq(rq); nvme_fc_ctrl_put(ctrl); - -} - -static void -nvme_fc_complete_rq(struct request *rq) -{ - struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(rq); - struct nvme_fc_ctrl *ctrl = op->ctrl; - unsigned long flags; - bool completed = false; - - /* - * the core layer, on controller resets after calling - * nvme_shutdown_ctrl(), calls complete_rq without our - * calling blk_mq_complete_request(), thus there may still - * be live i/o outstanding with the LLDD. Means transport has - * to track complete calls vs fcpio_done calls to know what - * path to take on completes and dones. - */ - spin_lock_irqsave(&ctrl->lock, flags); - if (op->flags & FCOP_FLAGS_COMPLETE) - completed = true; - else - op->flags |= FCOP_FLAGS_RELEASED; - spin_unlock_irqrestore(&ctrl->lock, flags); - - if (completed) - __nvme_fc_final_op_cleanup(rq); } /* @@ -2476,35 +2415,11 @@ nvme_fc_terminate_exchange(struct request *req, void *data, bool reserved) struct nvme_ctrl *nctrl = data; struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl); struct nvme_fc_fcp_op *op = blk_mq_rq_to_pdu(req); - unsigned long flags; - int status; if (!blk_mq_request_started(req)) return; - spin_lock_irqsave(&ctrl->lock, flags); - if (ctrl->flags & FCCTRL_TERMIO) { - ctrl->iocnt++; - op->flags |= FCOP_FLAGS_TERMIO; - } - spin_unlock_irqrestore(&ctrl->lock, flags); - - status = __nvme_fc_abort_op(ctrl, op); - if (status) { - /* - * if __nvme_fc_abort_op failed the io wasn't - * active. Thus this call path is running in - * parallel to the io complete. Treat as non-error. - */ - - /* back out the flags/counters */ - spin_lock_irqsave(&ctrl->lock, flags); - if (ctrl->flags & FCCTRL_TERMIO) - ctrl->iocnt--; - op->flags &= ~FCOP_FLAGS_TERMIO; - spin_unlock_irqrestore(&ctrl->lock, flags); - return; - } + __nvme_fc_abort_op(ctrl, op); } @@ -2566,11 +2481,11 @@ nvme_fc_create_io_queues(struct nvme_fc_ctrl *ctrl) goto out_free_tag_set; } - ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.opts->queue_size); + ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_cleanup_blk_queue; - ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.opts->queue_size); + ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_delete_hw_queues; @@ -2617,11 +2532,11 @@ nvme_fc_reinit_io_queues(struct nvme_fc_ctrl *ctrl) if (ret) goto out_free_io_queues; - ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.opts->queue_size); + ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_free_io_queues; - ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.opts->queue_size); + ret = nvme_fc_connect_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_delete_hw_queues; @@ -2717,13 +2632,12 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) nvme_fc_init_queue(ctrl, 0); ret = __nvme_fc_create_hw_queue(ctrl, &ctrl->queues[0], 0, - NVME_AQ_BLK_MQ_DEPTH); + NVME_AQ_DEPTH); if (ret) goto out_free_queue; ret = nvme_fc_connect_admin_queue(ctrl, &ctrl->queues[0], - NVME_AQ_BLK_MQ_DEPTH, - (NVME_AQ_BLK_MQ_DEPTH / 4)); + NVME_AQ_DEPTH, (NVME_AQ_DEPTH / 4)); if (ret) goto out_delete_hw_queue; @@ -2751,7 +2665,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) } ctrl->ctrl.sqsize = - min_t(int, NVME_CAP_MQES(ctrl->ctrl.cap) + 1, ctrl->ctrl.sqsize); + min_t(int, NVME_CAP_MQES(ctrl->ctrl.cap), ctrl->ctrl.sqsize); ret = nvme_enable_ctrl(&ctrl->ctrl, ctrl->ctrl.cap); if (ret) @@ -2784,6 +2698,14 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) opts->queue_size = ctrl->ctrl.maxcmd; } + if (opts->queue_size > ctrl->ctrl.sqsize + 1) { + /* warn if sqsize is lower than queue_size */ + dev_warn(ctrl->ctrl.device, + "queue_size %zu > ctrl sqsize %u, clamping down\n", + opts->queue_size, ctrl->ctrl.sqsize + 1); + opts->queue_size = ctrl->ctrl.sqsize + 1; + } + ret = nvme_fc_init_aen_ops(ctrl); if (ret) goto out_term_aen_ops; @@ -2943,7 +2865,7 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status) unsigned long recon_delay = ctrl->ctrl.opts->reconnect_delay * HZ; bool recon = true; - if (ctrl->ctrl.state != NVME_CTRL_RECONNECTING) + if (ctrl->ctrl.state != NVME_CTRL_CONNECTING) return; if (portptr->port_state == FC_OBJSTATE_ONLINE) @@ -2991,10 +2913,10 @@ nvme_fc_reset_ctrl_work(struct work_struct *work) /* will block will waiting for io to terminate */ nvme_fc_delete_association(ctrl); - if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) { + if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { dev_err(ctrl->ctrl.device, "NVME-FC{%d}: error_recovery: Couldn't change state " - "to RECONNECTING\n", ctrl->cnum); + "to CONNECTING\n", ctrl->cnum); return; } @@ -3195,7 +3117,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, * transport errors (frame drop, LS failure) inherently must kill * the association. The transport is coded so that any command used * to create the association (prior to a LIVE state transition - * while NEW or RECONNECTING) will fail if it completes in error or + * while NEW or CONNECTING) will fail if it completes in error or * times out. * * As such: as the connect request was mostly likely due to a diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 3b211d9..060f69e 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -198,30 +198,16 @@ void nvme_mpath_add_disk(struct nvme_ns_head *head) { if (!head->disk) return; - device_add_disk(&head->subsys->dev, head->disk); - if (sysfs_create_group(&disk_to_dev(head->disk)->kobj, - &nvme_ns_id_attr_group)) - pr_warn("%s: failed to create sysfs group for identification\n", - head->disk->disk_name); -} - -void nvme_mpath_add_disk_links(struct nvme_ns *ns) -{ - struct kobject *slave_disk_kobj, *holder_disk_kobj; - - if (!ns->head->disk) - return; - - slave_disk_kobj = &disk_to_dev(ns->disk)->kobj; - if (sysfs_create_link(ns->head->disk->slave_dir, slave_disk_kobj, - kobject_name(slave_disk_kobj))) - return; - holder_disk_kobj = &disk_to_dev(ns->head->disk)->kobj; - if (sysfs_create_link(ns->disk->part0.holder_dir, holder_disk_kobj, - kobject_name(holder_disk_kobj))) - sysfs_remove_link(ns->head->disk->slave_dir, - kobject_name(slave_disk_kobj)); + mutex_lock(&head->subsys->lock); + if (!(head->disk->flags & GENHD_FL_UP)) { + device_add_disk(&head->subsys->dev, head->disk); + if (sysfs_create_group(&disk_to_dev(head->disk)->kobj, + &nvme_ns_id_attr_group)) + pr_warn("%s: failed to create sysfs group for identification\n", + head->disk->disk_name); + } + mutex_unlock(&head->subsys->lock); } void nvme_mpath_remove_disk(struct nvme_ns_head *head) @@ -238,14 +224,3 @@ void nvme_mpath_remove_disk(struct nvme_ns_head *head) blk_cleanup_queue(head->disk->queue); put_disk(head->disk); } - -void nvme_mpath_remove_disk_links(struct nvme_ns *ns) -{ - if (!ns->head->disk) - return; - - sysfs_remove_link(ns->disk->part0.holder_dir, - kobject_name(&disk_to_dev(ns->head->disk)->kobj)); - sysfs_remove_link(ns->head->disk->slave_dir, - kobject_name(&disk_to_dev(ns->disk)->kobj)); -} diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 8e4550f..d733b14 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -123,7 +123,7 @@ enum nvme_ctrl_state { NVME_CTRL_LIVE, NVME_CTRL_ADMIN_ONLY, /* Only admin queue live */ NVME_CTRL_RESETTING, - NVME_CTRL_RECONNECTING, + NVME_CTRL_CONNECTING, NVME_CTRL_DELETING, NVME_CTRL_DEAD, }; @@ -183,6 +183,7 @@ struct nvme_ctrl { struct work_struct scan_work; struct work_struct async_event_work; struct delayed_work ka_work; + struct nvme_command ka_cmd; struct work_struct fw_act_work; /* Power saving configuration */ @@ -409,9 +410,7 @@ bool nvme_req_needs_failover(struct request *req, blk_status_t error); void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); void nvme_mpath_add_disk(struct nvme_ns_head *head); -void nvme_mpath_add_disk_links(struct nvme_ns *ns); void nvme_mpath_remove_disk(struct nvme_ns_head *head); -void nvme_mpath_remove_disk_links(struct nvme_ns *ns); static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns) { @@ -453,12 +452,6 @@ static inline void nvme_mpath_add_disk(struct nvme_ns_head *head) static inline void nvme_mpath_remove_disk(struct nvme_ns_head *head) { } -static inline void nvme_mpath_add_disk_links(struct nvme_ns *ns) -{ -} -static inline void nvme_mpath_remove_disk_links(struct nvme_ns *ns) -{ -} static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns) { } diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 6fe7af0..b6f43b7 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1141,7 +1141,7 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts) /* If there is a reset/reinit ongoing, we shouldn't reset again. */ switch (dev->ctrl.state) { case NVME_CTRL_RESETTING: - case NVME_CTRL_RECONNECTING: + case NVME_CTRL_CONNECTING: return false; default: break; @@ -1153,12 +1153,6 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts) if (!(csts & NVME_CSTS_CFS) && !nssro) return false; - /* If PCI error recovery process is happening, we cannot reset or - * the recovery mechanism will surely fail. - */ - if (pci_channel_offline(to_pci_dev(dev->dev))) - return false; - return true; } @@ -1189,6 +1183,13 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) struct nvme_command cmd; u32 csts = readl(dev->bar + NVME_REG_CSTS); + /* If PCI error recovery process is happening, we cannot reset or + * the recovery mechanism will surely fail. + */ + mb(); + if (pci_channel_offline(to_pci_dev(dev->dev))) + return BLK_EH_RESET_TIMER; + /* * Reset immediately if the controller is failed */ @@ -1215,13 +1216,17 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) * cancellation error. All outstanding requests are completed on * shutdown, so we return BLK_EH_HANDLED. */ - if (dev->ctrl.state == NVME_CTRL_RESETTING) { + switch (dev->ctrl.state) { + case NVME_CTRL_CONNECTING: + case NVME_CTRL_RESETTING: dev_warn(dev->ctrl.device, "I/O %d QID %d timeout, disable controller\n", req->tag, nvmeq->qid); nvme_dev_disable(dev, false); nvme_req(req)->flags |= NVME_REQ_CANCELLED; return BLK_EH_HANDLED; + default: + break; } /* @@ -1364,18 +1369,14 @@ static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues, static int nvme_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq, int qid, int depth) { - if (qid && dev->cmb && use_cmb_sqes && (dev->cmbsz & NVME_CMBSZ_SQS)) { - unsigned offset = (qid - 1) * roundup(SQ_SIZE(depth), - dev->ctrl.page_size); - nvmeq->sq_dma_addr = dev->cmb_bus_addr + offset; - nvmeq->sq_cmds_io = dev->cmb + offset; - } else { - nvmeq->sq_cmds = dma_alloc_coherent(dev->dev, SQ_SIZE(depth), - &nvmeq->sq_dma_addr, GFP_KERNEL); - if (!nvmeq->sq_cmds) - return -ENOMEM; - } + /* CMB SQEs will be mapped before creation */ + if (qid && dev->cmb && use_cmb_sqes && (dev->cmbsz & NVME_CMBSZ_SQS)) + return 0; + nvmeq->sq_cmds = dma_alloc_coherent(dev->dev, SQ_SIZE(depth), + &nvmeq->sq_dma_addr, GFP_KERNEL); + if (!nvmeq->sq_cmds) + return -ENOMEM; return 0; } @@ -1449,10 +1450,17 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid) struct nvme_dev *dev = nvmeq->dev; int result; + if (dev->cmb && use_cmb_sqes && (dev->cmbsz & NVME_CMBSZ_SQS)) { + unsigned offset = (qid - 1) * roundup(SQ_SIZE(nvmeq->q_depth), + dev->ctrl.page_size); + nvmeq->sq_dma_addr = dev->cmb_bus_addr + offset; + nvmeq->sq_cmds_io = dev->cmb + offset; + } + nvmeq->cq_vector = qid - 1; result = adapter_alloc_cq(dev, qid, nvmeq); if (result < 0) - return result; + goto release_vector; result = adapter_alloc_sq(dev, qid, nvmeq); if (result < 0) @@ -1466,9 +1474,12 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid) return result; release_sq: + dev->online_queues--; adapter_delete_sq(dev, qid); release_cq: adapter_delete_cq(dev, qid); + release_vector: + nvmeq->cq_vector = -1; return result; } @@ -1903,7 +1914,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) int result, nr_io_queues; unsigned long size; - nr_io_queues = num_present_cpus(); + nr_io_queues = num_possible_cpus(); result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) return result; @@ -2288,12 +2299,12 @@ static void nvme_reset_work(struct work_struct *work) nvme_dev_disable(dev, false); /* - * Introduce RECONNECTING state from nvme-fc/rdma transports to mark the + * Introduce CONNECTING state from nvme-fc/rdma transports to mark the * initializing procedure here. */ - if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RECONNECTING)) { + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_CONNECTING)) { dev_warn(dev->ctrl.device, - "failed to mark controller RECONNECTING\n"); + "failed to mark controller CONNECTING\n"); goto out; } diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 2bc059f..4d84a73 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -887,7 +887,7 @@ free_ctrl: static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl) { /* If we are resetting/deleting then do nothing */ - if (ctrl->ctrl.state != NVME_CTRL_RECONNECTING) { + if (ctrl->ctrl.state != NVME_CTRL_CONNECTING) { WARN_ON_ONCE(ctrl->ctrl.state == NVME_CTRL_NEW || ctrl->ctrl.state == NVME_CTRL_LIVE); return; @@ -973,7 +973,7 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); nvme_start_queues(&ctrl->ctrl); - if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) { + if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { /* state change failure should never happen */ WARN_ON_ONCE(1); return; @@ -1051,7 +1051,7 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue, struct nvme_rdma_device *dev = queue->device; struct ib_device *ibdev = dev->dev; - if (!blk_rq_bytes(rq)) + if (!blk_rq_payload_bytes(rq)) return; if (req->mr) { @@ -1166,7 +1166,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue, c->common.flags |= NVME_CMD_SGL_METABUF; - if (!blk_rq_bytes(rq)) + if (!blk_rq_payload_bytes(rq)) return nvme_rdma_set_sg_null(c); req->sg_table.sgl = req->first_sgl; @@ -1756,7 +1756,7 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work) nvme_stop_ctrl(&ctrl->ctrl); nvme_rdma_shutdown_ctrl(ctrl, false); - if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) { + if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { /* state change failure should never happen */ WARN_ON_ONCE(1); return; @@ -1784,11 +1784,8 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work) return; out_fail: - dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); - nvme_remove_namespaces(&ctrl->ctrl); - nvme_rdma_shutdown_ctrl(ctrl, true); - nvme_uninit_ctrl(&ctrl->ctrl); - nvme_put_ctrl(&ctrl->ctrl); + ++ctrl->ctrl.nr_reconnects; + nvme_rdma_reconnect_or_remove(ctrl); } static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { @@ -1942,6 +1939,9 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev, if (!ctrl->queues) goto out_uninit_ctrl; + changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING); + WARN_ON_ONCE(!changed); + ret = nvme_rdma_configure_admin_queue(ctrl, true); if (ret) goto out_kfree_queues; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 0bd7371..a78029e 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -520,9 +520,12 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, goto fail; } - /* either variant of SGLs is fine, as we don't support metadata */ - if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF && - (flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METASEG)) { + /* + * For fabrics, PSDT field shall describe metadata pointer (MPTR) that + * contains an address of a single contiguous physical buffer that is + * byte aligned. + */ + if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) { status = NVME_SC_INVALID_FIELD | NVME_SC_DNR; goto fail; } diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index 0a4372a..28bbdff 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -105,10 +105,13 @@ static void nvmet_execute_flush(struct nvmet_req *req) static u16 nvmet_discard_range(struct nvmet_ns *ns, struct nvme_dsm_range *range, struct bio **bio) { - if (__blkdev_issue_discard(ns->bdev, + int ret; + + ret = __blkdev_issue_discard(ns->bdev, le64_to_cpu(range->slba) << (ns->blksize_shift - 9), le32_to_cpu(range->nlb) << (ns->blksize_shift - 9), - GFP_KERNEL, 0, bio)) + GFP_KERNEL, 0, bio); + if (ret && ret != -EOPNOTSUPP) return NVME_SC_INTERNAL | NVME_SC_DNR; return 0; } diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 7991ec3..861d150 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -184,7 +184,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, return BLK_STS_OK; } - if (blk_rq_bytes(req)) { + if (blk_rq_payload_bytes(req)) { iod->sg_table.sgl = iod->first_sgl; if (sg_alloc_table_chained(&iod->sg_table, blk_rq_nr_phys_segments(req), @@ -193,7 +193,7 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, iod->req.sg = iod->sg_table.sgl; iod->req.sg_cnt = blk_rq_map_sg(req->q, req, iod->sg_table.sgl); - iod->req.transfer_len = blk_rq_bytes(req); + iod->req.transfer_len = blk_rq_payload_bytes(req); } blk_mq_start_request(req); diff --git a/drivers/of/property.c b/drivers/of/property.c index 36ed84e..f46828e 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -977,11 +977,11 @@ static int of_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return 0; } -static void * +static const void * of_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, const struct device *dev) { - return (void *)of_device_get_match_data(dev); + return of_device_get_match_data(dev); } const struct fwnode_operations of_fwnode_ops = { diff --git a/drivers/opp/cpu.c b/drivers/opp/cpu.c index 2d87bc1..0c09107 100644 --- a/drivers/opp/cpu.c +++ b/drivers/opp/cpu.c @@ -55,7 +55,7 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, if (max_opps <= 0) return max_opps ? max_opps : -ENODATA; - freq_table = kcalloc((max_opps + 1), sizeof(*freq_table), GFP_ATOMIC); + freq_table = kcalloc((max_opps + 1), sizeof(*freq_table), GFP_KERNEL); if (!freq_table) return -ENOMEM; diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c index 8de2d5c..dc9303a 100644 --- a/drivers/pci/dwc/pcie-designware-host.c +++ b/drivers/pci/dwc/pcie-designware-host.c @@ -613,7 +613,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp) /* setup bus numbers */ val = dw_pcie_readl_dbi(pci, PCI_PRIMARY_BUS); val &= 0xff000000; - val |= 0x00010100; + val |= 0x00ff0100; dw_pcie_writel_dbi(pci, PCI_PRIMARY_BUS, val); /* setup command register */ diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index ec582d3..c3ba14f 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3420,22 +3420,29 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PORT_RIDGE, static void quirk_chelsio_extend_vpd(struct pci_dev *dev) { - pci_set_vpd_size(dev, 8192); -} - -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x20, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x21, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x22, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x23, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x24, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x25, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x26, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x30, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x31, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x32, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x35, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x36, quirk_chelsio_extend_vpd); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x37, quirk_chelsio_extend_vpd); + int chip = (dev->device & 0xf000) >> 12; + int func = (dev->device & 0x0f00) >> 8; + int prod = (dev->device & 0x00ff) >> 0; + + /* + * If this is a T3-based adapter, there's a 1KB VPD area at offset + * 0xc00 which contains the preferred VPD values. If this is a T4 or + * later based adapter, the special VPD is at offset 0x400 for the + * Physical Functions (the SR-IOV Virtual Functions have no VPD + * Capabilities). The PCI VPD Access core routines will normally + * compute the size of the VPD by parsing the VPD Data Structure at + * offset 0x000. This will result in silent failures when attempting + * to accesses these other VPD areas which are beyond those computed + * limits. + */ + if (chip == 0x0 && prod >= 0x20) + pci_set_vpd_size(dev, 8192); + else if (chip >= 0x4 && func < 0x8) + pci_set_vpd_size(dev, 2048); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, + quirk_chelsio_extend_vpd); #ifdef CONFIG_ACPI /* @@ -3902,6 +3909,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230, quirk_dma_func1_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642, quirk_dma_func1_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0645, + quirk_dma_func1_alias); /* https://bugs.gentoo.org/show_bug.cgi?id=497630 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB388_ESD, diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 369d48d..3654472 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -401,6 +401,10 @@ void pci_release_resource(struct pci_dev *dev, int resno) struct resource *res = dev->resource + resno; pci_info(dev, "BAR %d: releasing %pR\n", resno, res); + + if (!res->parent) + return; + release_resource(res); res->end = resource_size(res) - 1; res->start = 0; diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 7bc5eee..f63db34 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -17,7 +17,6 @@ #include <linux/export.h> #include <linux/kernel.h> #include <linux/perf/arm_pmu.h> -#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/sched/clock.h> #include <linux/spinlock.h> @@ -26,6 +25,9 @@ #include <asm/irq_regs.h> +static DEFINE_PER_CPU(struct arm_pmu *, cpu_armpmu); +static DEFINE_PER_CPU(int, cpu_irq); + static int armpmu_map_cache_event(const unsigned (*cache_map) [PERF_COUNT_HW_CACHE_MAX] @@ -320,17 +322,9 @@ validate_group(struct perf_event *event) return 0; } -static struct arm_pmu_platdata *armpmu_get_platdata(struct arm_pmu *armpmu) -{ - struct platform_device *pdev = armpmu->plat_device; - - return pdev ? dev_get_platdata(&pdev->dev) : NULL; -} - static irqreturn_t armpmu_dispatch_irq(int irq, void *dev) { struct arm_pmu *armpmu; - struct arm_pmu_platdata *plat; int ret; u64 start_clock, finish_clock; @@ -341,14 +335,11 @@ static irqreturn_t armpmu_dispatch_irq(int irq, void *dev) * dereference. */ armpmu = *(void **)dev; - - plat = armpmu_get_platdata(armpmu); + if (WARN_ON_ONCE(!armpmu)) + return IRQ_NONE; start_clock = sched_clock(); - if (plat && plat->handle_irq) - ret = plat->handle_irq(irq, armpmu, armpmu->handle_irq); - else - ret = armpmu->handle_irq(irq, armpmu); + ret = armpmu->handle_irq(irq, armpmu); finish_clock = sched_clock(); perf_sample_event_took(finish_clock - start_clock); @@ -531,54 +522,41 @@ int perf_num_counters(void) } EXPORT_SYMBOL_GPL(perf_num_counters); -void armpmu_free_irq(struct arm_pmu *armpmu, int cpu) +static int armpmu_count_irq_users(const int irq) { - struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; - int irq = per_cpu(hw_events->irq, cpu); + int cpu, count = 0; - if (!cpumask_test_and_clear_cpu(cpu, &armpmu->active_irqs)) - return; - - if (irq_is_percpu_devid(irq)) { - free_percpu_irq(irq, &hw_events->percpu_pmu); - cpumask_clear(&armpmu->active_irqs); - return; + for_each_possible_cpu(cpu) { + if (per_cpu(cpu_irq, cpu) == irq) + count++; } - free_irq(irq, per_cpu_ptr(&hw_events->percpu_pmu, cpu)); + return count; } -void armpmu_free_irqs(struct arm_pmu *armpmu) +void armpmu_free_irq(int irq, int cpu) { - int cpu; + if (per_cpu(cpu_irq, cpu) == 0) + return; + if (WARN_ON(irq != per_cpu(cpu_irq, cpu))) + return; + + if (!irq_is_percpu_devid(irq)) + free_irq(irq, per_cpu_ptr(&cpu_armpmu, cpu)); + else if (armpmu_count_irq_users(irq) == 1) + free_percpu_irq(irq, &cpu_armpmu); - for_each_cpu(cpu, &armpmu->supported_cpus) - armpmu_free_irq(armpmu, cpu); + per_cpu(cpu_irq, cpu) = 0; } -int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) +int armpmu_request_irq(int irq, int cpu) { int err = 0; - struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; const irq_handler_t handler = armpmu_dispatch_irq; - int irq = per_cpu(hw_events->irq, cpu); if (!irq) return 0; - if (irq_is_percpu_devid(irq) && cpumask_empty(&armpmu->active_irqs)) { - err = request_percpu_irq(irq, handler, "arm-pmu", - &hw_events->percpu_pmu); - } else if (irq_is_percpu_devid(irq)) { - int other_cpu = cpumask_first(&armpmu->active_irqs); - int other_irq = per_cpu(hw_events->irq, other_cpu); - - if (irq != other_irq) { - pr_warn("mismatched PPIs detected.\n"); - err = -EINVAL; - goto err_out; - } - } else { - struct arm_pmu_platdata *platdata = armpmu_get_platdata(armpmu); + if (!irq_is_percpu_devid(irq)) { unsigned long irq_flags; err = irq_force_affinity(irq, cpumask_of(cpu)); @@ -589,22 +567,22 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) goto err_out; } - if (platdata && platdata->irq_flags) { - irq_flags = platdata->irq_flags; - } else { - irq_flags = IRQF_PERCPU | - IRQF_NOBALANCING | - IRQF_NO_THREAD; - } + irq_flags = IRQF_PERCPU | + IRQF_NOBALANCING | + IRQF_NO_THREAD; + irq_set_status_flags(irq, IRQ_NOAUTOEN); err = request_irq(irq, handler, irq_flags, "arm-pmu", - per_cpu_ptr(&hw_events->percpu_pmu, cpu)); + per_cpu_ptr(&cpu_armpmu, cpu)); + } else if (armpmu_count_irq_users(irq) == 0) { + err = request_percpu_irq(irq, handler, "arm-pmu", + &cpu_armpmu); } if (err) goto err_out; - cpumask_set_cpu(cpu, &armpmu->active_irqs); + per_cpu(cpu_irq, cpu) = irq; return 0; err_out: @@ -612,19 +590,6 @@ err_out: return err; } -int armpmu_request_irqs(struct arm_pmu *armpmu) -{ - int cpu, err; - - for_each_cpu(cpu, &armpmu->supported_cpus) { - err = armpmu_request_irq(armpmu, cpu); - if (err) - break; - } - - return err; -} - static int armpmu_get_cpu_irq(struct arm_pmu *pmu, int cpu) { struct pmu_hw_events __percpu *hw_events = pmu->hw_events; @@ -647,12 +612,14 @@ static int arm_perf_starting_cpu(unsigned int cpu, struct hlist_node *node) if (pmu->reset) pmu->reset(pmu); + per_cpu(cpu_armpmu, cpu) = pmu; + irq = armpmu_get_cpu_irq(pmu, cpu); if (irq) { - if (irq_is_percpu_devid(irq)) { + if (irq_is_percpu_devid(irq)) enable_percpu_irq(irq, IRQ_TYPE_NONE); - return 0; - } + else + enable_irq(irq); } return 0; @@ -667,8 +634,14 @@ static int arm_perf_teardown_cpu(unsigned int cpu, struct hlist_node *node) return 0; irq = armpmu_get_cpu_irq(pmu, cpu); - if (irq && irq_is_percpu_devid(irq)) - disable_percpu_irq(irq); + if (irq) { + if (irq_is_percpu_devid(irq)) + disable_percpu_irq(irq); + else + disable_irq_nosync(irq); + } + + per_cpu(cpu_armpmu, cpu) = NULL; return 0; } @@ -800,18 +773,18 @@ static void cpu_pmu_destroy(struct arm_pmu *cpu_pmu) &cpu_pmu->node); } -struct arm_pmu *armpmu_alloc(void) +static struct arm_pmu *__armpmu_alloc(gfp_t flags) { struct arm_pmu *pmu; int cpu; - pmu = kzalloc(sizeof(*pmu), GFP_KERNEL); + pmu = kzalloc(sizeof(*pmu), flags); if (!pmu) { pr_info("failed to allocate PMU device!\n"); goto out; } - pmu->hw_events = alloc_percpu(struct pmu_hw_events); + pmu->hw_events = alloc_percpu_gfp(struct pmu_hw_events, flags); if (!pmu->hw_events) { pr_info("failed to allocate per-cpu PMU data.\n"); goto out_free_pmu; @@ -857,6 +830,17 @@ out: return NULL; } +struct arm_pmu *armpmu_alloc(void) +{ + return __armpmu_alloc(GFP_KERNEL); +} + +struct arm_pmu *armpmu_alloc_atomic(void) +{ + return __armpmu_alloc(GFP_ATOMIC); +} + + void armpmu_free(struct arm_pmu *pmu) { free_percpu(pmu->hw_events); diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c index 705f1a3..0f19751 100644 --- a/drivers/perf/arm_pmu_acpi.c +++ b/drivers/perf/arm_pmu_acpi.c @@ -11,6 +11,8 @@ #include <linux/acpi.h> #include <linux/cpumask.h> #include <linux/init.h> +#include <linux/irq.h> +#include <linux/irqdesc.h> #include <linux/percpu.h> #include <linux/perf/arm_pmu.h> @@ -87,7 +89,13 @@ static int arm_pmu_acpi_parse_irqs(void) pr_warn("No ACPI PMU IRQ for CPU%d\n", cpu); } + /* + * Log and request the IRQ so the core arm_pmu code can manage + * it. We'll have to sanity-check IRQs later when we associate + * them with their PMUs. + */ per_cpu(pmu_irqs, cpu) = irq; + armpmu_request_irq(irq, cpu); } return 0; @@ -127,7 +135,7 @@ static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void) return pmu; } - pmu = armpmu_alloc(); + pmu = armpmu_alloc_atomic(); if (!pmu) { pr_warn("Unable to allocate PMU for CPU%d\n", smp_processor_id()); @@ -140,6 +148,35 @@ static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void) } /* + * Check whether the new IRQ is compatible with those already associated with + * the PMU (e.g. we don't have mismatched PPIs). + */ +static bool pmu_irq_matches(struct arm_pmu *pmu, int irq) +{ + struct pmu_hw_events __percpu *hw_events = pmu->hw_events; + int cpu; + + if (!irq) + return true; + + for_each_cpu(cpu, &pmu->supported_cpus) { + int other_irq = per_cpu(hw_events->irq, cpu); + if (!other_irq) + continue; + + if (irq == other_irq) + continue; + if (!irq_is_percpu_devid(irq) && !irq_is_percpu_devid(other_irq)) + continue; + + pr_warn("mismatched PPIs detected\n"); + return false; + } + + return true; +} + +/* * This must run before the common arm_pmu hotplug logic, so that we can * associate a CPU and its interrupt before the common code tries to manage the * affinity and so on. @@ -164,19 +201,14 @@ static int arm_pmu_acpi_cpu_starting(unsigned int cpu) if (!pmu) return -ENOMEM; - cpumask_set_cpu(cpu, &pmu->supported_cpus); - per_cpu(probed_pmus, cpu) = pmu; - /* - * Log and request the IRQ so the core arm_pmu code can manage it. In - * some situations (e.g. mismatched PPIs), we may fail to request the - * IRQ. However, it may be too late for us to do anything about it. - * The common ARM PMU code will log a warning in this case. - */ - hw_events = pmu->hw_events; - per_cpu(hw_events->irq, cpu) = irq; - armpmu_request_irq(pmu, cpu); + if (pmu_irq_matches(pmu, irq)) { + hw_events = pmu->hw_events; + per_cpu(hw_events->irq, cpu) = irq; + } + + cpumask_set_cpu(cpu, &pmu->supported_cpus); /* * Ideally, we'd probe the PMU here when we find the first matching @@ -247,11 +279,6 @@ static int arm_pmu_acpi_init(void) if (acpi_disabled) return 0; - /* - * We can't request IRQs yet, since we don't know the cookie value - * until we know which CPUs share the same logical PMU. We'll handle - * that in arm_pmu_acpi_cpu_starting(). - */ ret = arm_pmu_acpi_parse_irqs(); if (ret) return ret; diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 46501cc..7729eda 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -127,13 +127,6 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) pdev->dev.of_node); } - /* - * Some platforms have all PMU IRQs OR'd into a single IRQ, with a - * special platdata function that attempts to demux them. - */ - if (dev_get_platdata(&pdev->dev)) - cpumask_setall(&pmu->supported_cpus); - for (i = 0; i < num_irqs; i++) { int cpu, irq; @@ -164,6 +157,36 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) return 0; } +static int armpmu_request_irqs(struct arm_pmu *armpmu) +{ + struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; + int cpu, err; + + for_each_cpu(cpu, &armpmu->supported_cpus) { + int irq = per_cpu(hw_events->irq, cpu); + if (!irq) + continue; + + err = armpmu_request_irq(irq, cpu); + if (err) + break; + } + + return err; +} + +static void armpmu_free_irqs(struct arm_pmu *armpmu) +{ + int cpu; + struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; + + for_each_cpu(cpu, &armpmu->supported_cpus) { + int irq = per_cpu(hw_events->irq, cpu); + + armpmu_free_irq(irq, cpu); + } +} + int arm_pmu_device_probe(struct platform_device *pdev, const struct of_device_id *of_table, const struct pmu_probe_info *probe_table) diff --git a/drivers/phy/qualcomm/phy-qcom-ufs.c b/drivers/phy/qualcomm/phy-qcom-ufs.c index c5ff452..c5493ea 100644 --- a/drivers/phy/qualcomm/phy-qcom-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-ufs.c @@ -675,3 +675,8 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy) return 0; } EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off); + +MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>"); +MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); +MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c index 1fda9d6..4b91ff7 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-axg.c +++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c @@ -716,7 +716,7 @@ static const char * const uart_b_groups[] = { "uart_tx_b_x", "uart_rx_b_x", "uart_cts_b_x", "uart_rts_b_x", }; -static const char * const uart_ao_b_gpioz_groups[] = { +static const char * const uart_ao_b_z_groups[] = { "uart_ao_tx_b_z", "uart_ao_rx_b_z", "uart_ao_cts_b_z", "uart_ao_rts_b_z", }; @@ -855,7 +855,7 @@ static struct meson_pmx_func meson_axg_periphs_functions[] = { FUNCTION(nand), FUNCTION(uart_a), FUNCTION(uart_b), - FUNCTION(uart_ao_b_gpioz), + FUNCTION(uart_ao_b_z), FUNCTION(i2c0), FUNCTION(i2c1), FUNCTION(i2c2), diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c index c32399f..90c2744 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c @@ -124,7 +124,7 @@ static const struct samsung_pin_bank_data s5pv210_pin_bank[] __initconst = { EXYNOS_PIN_BANK_EINTW(8, 0xc60, "gph3", 0x0c), }; -const struct samsung_pin_ctrl s5pv210_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s5pv210_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = s5pv210_pin_bank, @@ -137,6 +137,11 @@ const struct samsung_pin_ctrl s5pv210_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data s5pv210_of_data __initconst = { + .ctrl = s5pv210_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s5pv210_pin_ctrl), +}; + /* Pad retention control code for accessing PMU regmap */ static atomic_t exynos_shared_retention_refcnt; @@ -199,7 +204,7 @@ static const struct samsung_retention_data exynos3250_retention_data __initconst * Samsung pinctrl driver data for Exynos3250 SoC. Exynos3250 SoC includes * two gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos3250_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos3250_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos3250_pin_banks0, @@ -220,6 +225,11 @@ const struct samsung_pin_ctrl exynos3250_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos3250_of_data __initconst = { + .ctrl = exynos3250_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos3250_pin_ctrl), +}; + /* pin banks of exynos4210 pin-controller 0 */ static const struct samsung_pin_bank_data exynos4210_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -303,7 +313,7 @@ static const struct samsung_retention_data exynos4_audio_retention_data __initco * Samsung pinctrl driver data for Exynos4210 SoC. Exynos4210 SoC includes * three gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos4210_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos4210_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos4210_pin_banks0, @@ -329,6 +339,11 @@ const struct samsung_pin_ctrl exynos4210_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos4210_of_data __initconst = { + .ctrl = exynos4210_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos4210_pin_ctrl), +}; + /* pin banks of exynos4x12 pin-controller 0 */ static const struct samsung_pin_bank_data exynos4x12_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -391,7 +406,7 @@ static const struct samsung_pin_bank_data exynos4x12_pin_banks3[] __initconst = * Samsung pinctrl driver data for Exynos4x12 SoC. Exynos4x12 SoC includes * four gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos4x12_pin_banks0, @@ -427,6 +442,11 @@ const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos4x12_of_data __initconst = { + .ctrl = exynos4x12_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos4x12_pin_ctrl), +}; + /* pin banks of exynos5250 pin-controller 0 */ static const struct samsung_pin_bank_data exynos5250_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -487,7 +507,7 @@ static const struct samsung_pin_bank_data exynos5250_pin_banks3[] __initconst = * Samsung pinctrl driver data for Exynos5250 SoC. Exynos5250 SoC includes * four gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5250_pin_banks0, @@ -523,6 +543,11 @@ const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos5250_of_data __initconst = { + .ctrl = exynos5250_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos5250_pin_ctrl), +}; + /* pin banks of exynos5260 pin-controller 0 */ static const struct samsung_pin_bank_data exynos5260_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpa0", 0x00), @@ -567,7 +592,7 @@ static const struct samsung_pin_bank_data exynos5260_pin_banks2[] __initconst = * Samsung pinctrl driver data for Exynos5260 SoC. Exynos5260 SoC includes * three gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5260_pin_banks0, @@ -587,6 +612,11 @@ const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos5260_of_data __initconst = { + .ctrl = exynos5260_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos5260_pin_ctrl), +}; + /* pin banks of exynos5410 pin-controller 0 */ static const struct samsung_pin_bank_data exynos5410_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -657,7 +687,7 @@ static const struct samsung_pin_bank_data exynos5410_pin_banks3[] __initconst = * Samsung pinctrl driver data for Exynos5410 SoC. Exynos5410 SoC includes * four gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5410_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos5410_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5410_pin_banks0, @@ -690,6 +720,11 @@ const struct samsung_pin_ctrl exynos5410_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos5410_of_data __initconst = { + .ctrl = exynos5410_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos5410_pin_ctrl), +}; + /* pin banks of exynos5420 pin-controller 0 */ static const struct samsung_pin_bank_data exynos5420_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpy7", 0x00), @@ -774,7 +809,7 @@ static const struct samsung_retention_data exynos5420_retention_data __initconst * Samsung pinctrl driver data for Exynos5420 SoC. Exynos5420 SoC includes * four gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5420_pin_banks0, @@ -808,3 +843,8 @@ const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { .retention_data = &exynos4_audio_retention_data, }, }; + +const struct samsung_pinctrl_of_match_data exynos5420_of_data __initconst = { + .ctrl = exynos5420_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos5420_pin_ctrl), +}; diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c index fc8f783..71c9d1d 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c @@ -175,7 +175,7 @@ static const struct samsung_retention_data exynos5433_fsys_retention_data __init * Samsung pinctrl driver data for Exynos5433 SoC. Exynos5433 SoC includes * ten gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5433_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos5433_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5433_pin_banks0, @@ -260,6 +260,11 @@ const struct samsung_pin_ctrl exynos5433_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data exynos5433_of_data __initconst = { + .ctrl = exynos5433_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos5433_pin_ctrl), +}; + /* pin banks of exynos7 pin-controller - ALIVE */ static const struct samsung_pin_bank_data exynos7_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), @@ -339,7 +344,7 @@ static const struct samsung_pin_bank_data exynos7_pin_banks9[] __initconst = { EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; -const struct samsung_pin_ctrl exynos7_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl exynos7_pin_ctrl[] __initconst = { { /* pin-controller instance 0 Alive data */ .pin_banks = exynos7_pin_banks0, @@ -392,3 +397,8 @@ const struct samsung_pin_ctrl exynos7_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, }, }; + +const struct samsung_pinctrl_of_match_data exynos7_of_data __initconst = { + .ctrl = exynos7_pin_ctrl, + .num_ctrl = ARRAY_SIZE(exynos7_pin_ctrl), +}; diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c index 10187cb..7e824e4 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c @@ -565,7 +565,7 @@ static const struct samsung_pin_bank_data s3c2412_pin_banks[] __initconst = { PIN_BANK_2BIT(13, 0x080, "gpj"), }; -const struct samsung_pin_ctrl s3c2412_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s3c2412_pin_ctrl[] __initconst = { { .pin_banks = s3c2412_pin_banks, .nr_banks = ARRAY_SIZE(s3c2412_pin_banks), @@ -573,6 +573,11 @@ const struct samsung_pin_ctrl s3c2412_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data s3c2412_of_data __initconst = { + .ctrl = s3c2412_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s3c2412_pin_ctrl), +}; + static const struct samsung_pin_bank_data s3c2416_pin_banks[] __initconst = { PIN_BANK_A(27, 0x000, "gpa"), PIN_BANK_2BIT(11, 0x010, "gpb"), @@ -587,7 +592,7 @@ static const struct samsung_pin_bank_data s3c2416_pin_banks[] __initconst = { PIN_BANK_2BIT(2, 0x100, "gpm"), }; -const struct samsung_pin_ctrl s3c2416_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s3c2416_pin_ctrl[] __initconst = { { .pin_banks = s3c2416_pin_banks, .nr_banks = ARRAY_SIZE(s3c2416_pin_banks), @@ -595,6 +600,11 @@ const struct samsung_pin_ctrl s3c2416_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data s3c2416_of_data __initconst = { + .ctrl = s3c2416_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s3c2416_pin_ctrl), +}; + static const struct samsung_pin_bank_data s3c2440_pin_banks[] __initconst = { PIN_BANK_A(25, 0x000, "gpa"), PIN_BANK_2BIT(11, 0x010, "gpb"), @@ -607,7 +617,7 @@ static const struct samsung_pin_bank_data s3c2440_pin_banks[] __initconst = { PIN_BANK_2BIT(13, 0x0d0, "gpj"), }; -const struct samsung_pin_ctrl s3c2440_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s3c2440_pin_ctrl[] __initconst = { { .pin_banks = s3c2440_pin_banks, .nr_banks = ARRAY_SIZE(s3c2440_pin_banks), @@ -615,6 +625,11 @@ const struct samsung_pin_ctrl s3c2440_pin_ctrl[] __initconst = { }, }; +const struct samsung_pinctrl_of_match_data s3c2440_of_data __initconst = { + .ctrl = s3c2440_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s3c2440_pin_ctrl), +}; + static const struct samsung_pin_bank_data s3c2450_pin_banks[] __initconst = { PIN_BANK_A(28, 0x000, "gpa"), PIN_BANK_2BIT(11, 0x010, "gpb"), @@ -630,10 +645,15 @@ static const struct samsung_pin_bank_data s3c2450_pin_banks[] __initconst = { PIN_BANK_2BIT(2, 0x100, "gpm"), }; -const struct samsung_pin_ctrl s3c2450_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s3c2450_pin_ctrl[] __initconst = { { .pin_banks = s3c2450_pin_banks, .nr_banks = ARRAY_SIZE(s3c2450_pin_banks), .eint_wkup_init = s3c24xx_eint_init, }, }; + +const struct samsung_pinctrl_of_match_data s3c2450_of_data __initconst = { + .ctrl = s3c2450_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s3c2450_pin_ctrl), +}; diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index 679628a..288e656 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -789,7 +789,7 @@ static const struct samsung_pin_bank_data s3c64xx_pin_banks0[] __initconst = { * Samsung pinctrl driver data for S3C64xx SoC. S3C64xx SoC includes * one gpio/pin-mux/pinconfig controller. */ -const struct samsung_pin_ctrl s3c64xx_pin_ctrl[] __initconst = { +static const struct samsung_pin_ctrl s3c64xx_pin_ctrl[] __initconst = { { /* pin-controller instance 1 data */ .pin_banks = s3c64xx_pin_banks0, @@ -798,3 +798,8 @@ const struct samsung_pin_ctrl s3c64xx_pin_ctrl[] __initconst = { .eint_wkup_init = s3c64xx_eint_eint0_init, }, }; + +const struct samsung_pinctrl_of_match_data s3c64xx_of_data __initconst = { + .ctrl = s3c64xx_pin_ctrl, + .num_ctrl = ARRAY_SIZE(s3c64xx_pin_ctrl), +}; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index da58e45..336e88d 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -942,12 +942,33 @@ static int samsung_gpiolib_register(struct platform_device *pdev, return 0; } +static const struct samsung_pin_ctrl * +samsung_pinctrl_get_soc_data_for_of_alias(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + const struct samsung_pinctrl_of_match_data *of_data; + int id; + + id = of_alias_get_id(node, "pinctrl"); + if (id < 0) { + dev_err(&pdev->dev, "failed to get alias id\n"); + return NULL; + } + + of_data = of_device_get_match_data(&pdev->dev); + if (id >= of_data->num_ctrl) { + dev_err(&pdev->dev, "invalid alias id %d\n", id); + return NULL; + } + + return &(of_data->ctrl[id]); +} + /* retrieve the soc specific data */ static const struct samsung_pin_ctrl * samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, struct platform_device *pdev) { - int id; struct device_node *node = pdev->dev.of_node; struct device_node *np; const struct samsung_pin_bank_data *bdata; @@ -957,13 +978,9 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, void __iomem *virt_base[SAMSUNG_PINCTRL_NUM_RESOURCES]; unsigned int i; - id = of_alias_get_id(node, "pinctrl"); - if (id < 0) { - dev_err(&pdev->dev, "failed to get alias id\n"); + ctrl = samsung_pinctrl_get_soc_data_for_of_alias(pdev); + if (!ctrl) return ERR_PTR(-ENOENT); - } - ctrl = of_device_get_match_data(&pdev->dev); - ctrl += id; d->suspend = ctrl->suspend; d->resume = ctrl->resume; @@ -1188,41 +1205,41 @@ static int __maybe_unused samsung_pinctrl_resume(struct device *dev) static const struct of_device_id samsung_pinctrl_dt_match[] = { #ifdef CONFIG_PINCTRL_EXYNOS_ARM { .compatible = "samsung,exynos3250-pinctrl", - .data = exynos3250_pin_ctrl }, + .data = &exynos3250_of_data }, { .compatible = "samsung,exynos4210-pinctrl", - .data = exynos4210_pin_ctrl }, + .data = &exynos4210_of_data }, { .compatible = "samsung,exynos4x12-pinctrl", - .data = exynos4x12_pin_ctrl }, + .data = &exynos4x12_of_data }, { .compatible = "samsung,exynos5250-pinctrl", - .data = exynos5250_pin_ctrl }, + .data = &exynos5250_of_data }, { .compatible = "samsung,exynos5260-pinctrl", - .data = exynos5260_pin_ctrl }, + .data = &exynos5260_of_data }, { .compatible = "samsung,exynos5410-pinctrl", - .data = exynos5410_pin_ctrl }, + .data = &exynos5410_of_data }, { .compatible = "samsung,exynos5420-pinctrl", - .data = exynos5420_pin_ctrl }, + .data = &exynos5420_of_data }, { .compatible = "samsung,s5pv210-pinctrl", - .data = s5pv210_pin_ctrl }, + .data = &s5pv210_of_data }, #endif #ifdef CONFIG_PINCTRL_EXYNOS_ARM64 { .compatible = "samsung,exynos5433-pinctrl", - .data = exynos5433_pin_ctrl }, + .data = &exynos5433_of_data }, { .compatible = "samsung,exynos7-pinctrl", - .data = exynos7_pin_ctrl }, + .data = &exynos7_of_data }, #endif #ifdef CONFIG_PINCTRL_S3C64XX { .compatible = "samsung,s3c64xx-pinctrl", - .data = s3c64xx_pin_ctrl }, + .data = &s3c64xx_of_data }, #endif #ifdef CONFIG_PINCTRL_S3C24XX { .compatible = "samsung,s3c2412-pinctrl", - .data = s3c2412_pin_ctrl }, + .data = &s3c2412_of_data }, { .compatible = "samsung,s3c2416-pinctrl", - .data = s3c2416_pin_ctrl }, + .data = &s3c2416_of_data }, { .compatible = "samsung,s3c2440-pinctrl", - .data = s3c2440_pin_ctrl }, + .data = &s3c2440_of_data }, { .compatible = "samsung,s3c2450-pinctrl", - .data = s3c2450_pin_ctrl }, + .data = &s3c2450_of_data }, #endif {}, }; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index e204f60..f0cda94 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -282,6 +282,16 @@ struct samsung_pinctrl_drv_data { }; /** + * struct samsung_pinctrl_of_match_data: OF match device specific configuration data. + * @ctrl: array of pin controller data. + * @num_ctrl: size of array @ctrl. + */ +struct samsung_pinctrl_of_match_data { + const struct samsung_pin_ctrl *ctrl; + unsigned int num_ctrl; +}; + +/** * struct samsung_pin_group: represent group of pins of a pinmux function. * @name: name of the pin group, used to lookup the group. * @pins: the pins included in this group. @@ -309,20 +319,20 @@ struct samsung_pmx_func { }; /* list of all exported SoC specific data */ -extern const struct samsung_pin_ctrl exynos3250_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos4210_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos4x12_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos5250_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos5260_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos5410_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos5420_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos5433_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos7_pin_ctrl[]; -extern const struct samsung_pin_ctrl s3c64xx_pin_ctrl[]; -extern const struct samsung_pin_ctrl s3c2412_pin_ctrl[]; -extern const struct samsung_pin_ctrl s3c2416_pin_ctrl[]; -extern const struct samsung_pin_ctrl s3c2440_pin_ctrl[]; -extern const struct samsung_pin_ctrl s3c2450_pin_ctrl[]; -extern const struct samsung_pin_ctrl s5pv210_pin_ctrl[]; +extern const struct samsung_pinctrl_of_match_data exynos3250_of_data; +extern const struct samsung_pinctrl_of_match_data exynos4210_of_data; +extern const struct samsung_pinctrl_of_match_data exynos4x12_of_data; +extern const struct samsung_pinctrl_of_match_data exynos5250_of_data; +extern const struct samsung_pinctrl_of_match_data exynos5260_of_data; +extern const struct samsung_pinctrl_of_match_data exynos5410_of_data; +extern const struct samsung_pinctrl_of_match_data exynos5420_of_data; +extern const struct samsung_pinctrl_of_match_data exynos5433_of_data; +extern const struct samsung_pinctrl_of_match_data exynos7_of_data; +extern const struct samsung_pinctrl_of_match_data s3c64xx_of_data; +extern const struct samsung_pinctrl_of_match_data s3c2412_of_data; +extern const struct samsung_pinctrl_of_match_data s3c2416_of_data; +extern const struct samsung_pinctrl_of_match_data s3c2440_of_data; +extern const struct samsung_pinctrl_of_match_data s3c2450_of_data; +extern const struct samsung_pinctrl_of_match_data s5pv210_of_data; #endif /* __PINCTRL_SAMSUNG_H */ diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c index 18aeee5..35951e7 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c @@ -1538,7 +1538,6 @@ static const struct sh_pfc_pin pinmux_pins[] = { SH_PFC_PIN_NAMED_CFG('B', 18, AVB_TD1, CFG_FLAGS), SH_PFC_PIN_NAMED_CFG('B', 19, AVB_RXC, CFG_FLAGS), SH_PFC_PIN_NAMED_CFG('C', 1, PRESETOUT#, CFG_FLAGS), - SH_PFC_PIN_NAMED_CFG('F', 1, CLKOUT, CFG_FLAGS), SH_PFC_PIN_NAMED_CFG('H', 37, MLB_REF, CFG_FLAGS), SH_PFC_PIN_NAMED_CFG('V', 3, QSPI1_SPCLK, CFG_FLAGS), SH_PFC_PIN_NAMED_CFG('V', 5, QSPI1_SSL, CFG_FLAGS), diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c index 6dec6ab..d859973 100644 --- a/drivers/platform/chrome/chromeos_laptop.c +++ b/drivers/platform/chrome/chromeos_laptop.c @@ -423,7 +423,7 @@ static int chromeos_laptop_probe(struct platform_device *pdev) return ret; } -static const struct chromeos_laptop samsung_series_5_550 = { +static struct chromeos_laptop samsung_series_5_550 = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, @@ -432,14 +432,14 @@ static const struct chromeos_laptop samsung_series_5_550 = { }, }; -static const struct chromeos_laptop samsung_series_5 = { +static struct chromeos_laptop samsung_series_5 = { .i2c_peripherals = { /* Light Sensor. */ { .add = setup_tsl2583_als, I2C_ADAPTER_SMBUS }, }, }; -static const struct chromeos_laptop chromebook_pixel = { +static struct chromeos_laptop chromebook_pixel = { .i2c_peripherals = { /* Touch Screen. */ { .add = setup_atmel_1664s_ts, I2C_ADAPTER_PANEL }, @@ -450,14 +450,14 @@ static const struct chromeos_laptop chromebook_pixel = { }, }; -static const struct chromeos_laptop hp_chromebook_14 = { +static struct chromeos_laptop hp_chromebook_14 = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, }, }; -static const struct chromeos_laptop dell_chromebook_11 = { +static struct chromeos_laptop dell_chromebook_11 = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, @@ -466,28 +466,28 @@ static const struct chromeos_laptop dell_chromebook_11 = { }, }; -static const struct chromeos_laptop toshiba_cb35 = { +static struct chromeos_laptop toshiba_cb35 = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, }, }; -static const struct chromeos_laptop acer_c7_chromebook = { +static struct chromeos_laptop acer_c7_chromebook = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, }, }; -static const struct chromeos_laptop acer_ac700 = { +static struct chromeos_laptop acer_ac700 = { .i2c_peripherals = { /* Light Sensor. */ { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, }, }; -static const struct chromeos_laptop acer_c720 = { +static struct chromeos_laptop acer_c720 = { .i2c_peripherals = { /* Touchscreen. */ { .add = setup_atmel_1664s_ts, I2C_ADAPTER_DESIGNWARE_1 }, @@ -500,14 +500,14 @@ static const struct chromeos_laptop acer_c720 = { }, }; -static const struct chromeos_laptop hp_pavilion_14_chromebook = { +static struct chromeos_laptop hp_pavilion_14_chromebook = { .i2c_peripherals = { /* Touchpad. */ { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, }, }; -static const struct chromeos_laptop cr48 = { +static struct chromeos_laptop cr48 = { .i2c_peripherals = { /* Light Sensor. */ { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 9a8f964..51ebc5a 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -105,31 +105,45 @@ config ASUS_LAPTOP If you have an ACPI-compatible ASUS laptop, say Y or M here. +# +# The DELL_SMBIOS driver depends on ACPI_WMI and/or DCDBAS if those +# backends are selected. The "depends" line prevents a configuration +# where DELL_SMBIOS=y while either of those dependencies =m. +# config DELL_SMBIOS - tristate + tristate "Dell SMBIOS driver" + depends on DCDBAS || DCDBAS=n + depends on ACPI_WMI || ACPI_WMI=n + ---help--- + This provides support for the Dell SMBIOS calling interface. + If you have a Dell computer you should enable this option. + + Be sure to select at least one backend for it to work properly. config DELL_SMBIOS_WMI - tristate "Dell SMBIOS calling interface (WMI implementation)" + bool "Dell SMBIOS driver WMI backend" + default y depends on ACPI_WMI select DELL_WMI_DESCRIPTOR - select DELL_SMBIOS + depends on DELL_SMBIOS ---help--- This provides an implementation for the Dell SMBIOS calling interface communicated over ACPI-WMI. - If you have a Dell computer from >2007 you should say Y or M here. + If you have a Dell computer from >2007 you should say Y here. If you aren't sure and this module doesn't work for your computer it just won't load. config DELL_SMBIOS_SMM - tristate "Dell SMBIOS calling interface (SMM implementation)" + bool "Dell SMBIOS driver SMM backend" + default y depends on DCDBAS - select DELL_SMBIOS + depends on DELL_SMBIOS ---help--- This provides an implementation for the Dell SMBIOS calling interface communicated over SMI/SMM. - If you have a Dell computer from <=2017 you should say Y or M here. + If you have a Dell computer from <=2017 you should say Y here. If you aren't sure and this module doesn't work for your computer it just won't load. diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index c388608..2ba6cb7 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -13,8 +13,9 @@ obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o obj-$(CONFIG_DELL_SMBIOS) += dell-smbios.o -obj-$(CONFIG_DELL_SMBIOS_WMI) += dell-smbios-wmi.o -obj-$(CONFIG_DELL_SMBIOS_SMM) += dell-smbios-smm.o +dell-smbios-objs := dell-smbios-base.o +dell-smbios-$(CONFIG_DELL_SMBIOS_WMI) += dell-smbios-wmi.o +dell-smbios-$(CONFIG_DELL_SMBIOS_SMM) += dell-smbios-smm.o obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o obj-$(CONFIG_DELL_WMI) += dell-wmi.o obj-$(CONFIG_DELL_WMI_DESCRIPTOR) += dell-wmi-descriptor.o diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 2a68f59..c52c672 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -127,24 +127,6 @@ static const struct dmi_system_id dell_device_table[] __initconst = { }, }, { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_CHASSIS_TYPE, "30"), /*Tablet*/ - }, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /*Convertible*/ - }, - }, - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_CHASSIS_TYPE, "32"), /*Detachable*/ - }, - }, - { .ident = "Dell Computer Corporation", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), @@ -1279,7 +1261,7 @@ static int kbd_get_state(struct kbd_state *state) struct calling_interface_buffer buffer; int ret; - dell_fill_request(&buffer, 0, 0, 0, 0); + dell_fill_request(&buffer, 0x1, 0, 0, 0); ret = dell_send_request(&buffer, CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT); if (ret) diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios-base.c index 8541cde..2485c80 100644 --- a/drivers/platform/x86/dell-smbios.c +++ b/drivers/platform/x86/dell-smbios-base.c @@ -36,7 +36,7 @@ static DEFINE_MUTEX(smbios_mutex); struct smbios_device { struct list_head list; struct device *device; - int (*call_fn)(struct calling_interface_buffer *); + int (*call_fn)(struct calling_interface_buffer *arg); }; struct smbios_call { @@ -352,8 +352,10 @@ static void __init parse_da_table(const struct dmi_header *dm) struct calling_interface_structure *table = container_of(dm, struct calling_interface_structure, header); - /* 4 bytes of table header, plus 7 bytes of Dell header, plus at least - 6 bytes of entry */ + /* + * 4 bytes of table header, plus 7 bytes of Dell header + * plus at least 6 bytes of entry + */ if (dm->length < 17) return; @@ -554,7 +556,7 @@ static void free_group(struct platform_device *pdev) static int __init dell_smbios_init(void) { const struct dmi_device *valid; - int ret; + int ret, wmi, smm; valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL); if (!valid) { @@ -589,8 +591,24 @@ static int __init dell_smbios_init(void) if (ret) goto fail_create_group; + /* register backends */ + wmi = init_dell_smbios_wmi(); + if (wmi) + pr_debug("Failed to initialize WMI backend: %d\n", wmi); + smm = init_dell_smbios_smm(); + if (smm) + pr_debug("Failed to initialize SMM backend: %d\n", smm); + if (wmi && smm) { + pr_err("No SMBIOS backends available (wmi: %d, smm: %d)\n", + wmi, smm); + goto fail_sysfs; + } + return 0; +fail_sysfs: + free_group(platform_device); + fail_create_group: platform_device_del(platform_device); @@ -607,6 +625,8 @@ fail_platform_driver: static void __exit dell_smbios_exit(void) { + exit_dell_smbios_wmi(); + exit_dell_smbios_smm(); mutex_lock(&smbios_mutex); if (platform_device) { free_group(platform_device); @@ -617,11 +637,12 @@ static void __exit dell_smbios_exit(void) mutex_unlock(&smbios_mutex); } -subsys_initcall(dell_smbios_init); +module_init(dell_smbios_init); module_exit(dell_smbios_exit); MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>"); MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>"); +MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>"); MODULE_DESCRIPTION("Common functions for kernel modules using Dell SMBIOS"); MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/dell-smbios-smm.c b/drivers/platform/x86/dell-smbios-smm.c index 89f65c4..e9e9da5 100644 --- a/drivers/platform/x86/dell-smbios-smm.c +++ b/drivers/platform/x86/dell-smbios-smm.c @@ -58,7 +58,7 @@ static const struct dmi_system_id dell_device_table[] __initconst = { }; MODULE_DEVICE_TABLE(dmi, dell_device_table); -static void __init parse_da_table(const struct dmi_header *dm) +static void parse_da_table(const struct dmi_header *dm) { struct calling_interface_structure *table = container_of(dm, struct calling_interface_structure, header); @@ -73,7 +73,7 @@ static void __init parse_da_table(const struct dmi_header *dm) da_command_code = table->cmdIOCode; } -static void __init find_cmd_address(const struct dmi_header *dm, void *dummy) +static void find_cmd_address(const struct dmi_header *dm, void *dummy) { switch (dm->type) { case 0xda: /* Calling interface */ @@ -128,7 +128,7 @@ static bool test_wsmt_enabled(void) return false; } -static int __init dell_smbios_smm_init(void) +int init_dell_smbios_smm(void) { int ret; /* @@ -176,7 +176,7 @@ fail_platform_device_alloc: return ret; } -static void __exit dell_smbios_smm_exit(void) +void exit_dell_smbios_smm(void) { if (platform_device) { dell_smbios_unregister_device(&platform_device->dev); @@ -184,13 +184,3 @@ static void __exit dell_smbios_smm_exit(void) free_page((unsigned long)buffer); } } - -subsys_initcall(dell_smbios_smm_init); -module_exit(dell_smbios_smm_exit); - -MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); -MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>"); -MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>"); -MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>"); -MODULE_DESCRIPTION("Dell SMBIOS communications over SMI"); -MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/dell-smbios-wmi.c b/drivers/platform/x86/dell-smbios-wmi.c index 609557a..fbefedb 100644 --- a/drivers/platform/x86/dell-smbios-wmi.c +++ b/drivers/platform/x86/dell-smbios-wmi.c @@ -228,7 +228,7 @@ static const struct wmi_device_id dell_smbios_wmi_id_table[] = { { }, }; -static void __init parse_b1_table(const struct dmi_header *dm) +static void parse_b1_table(const struct dmi_header *dm) { struct misc_bios_flags_structure *flags = container_of(dm, struct misc_bios_flags_structure, header); @@ -242,7 +242,7 @@ static void __init parse_b1_table(const struct dmi_header *dm) wmi_supported = 1; } -static void __init find_b1(const struct dmi_header *dm, void *dummy) +static void find_b1(const struct dmi_header *dm, void *dummy) { switch (dm->type) { case 0xb1: /* misc bios flags */ @@ -261,7 +261,7 @@ static struct wmi_driver dell_smbios_wmi_driver = { .filter_callback = dell_smbios_wmi_filter, }; -static int __init init_dell_smbios_wmi(void) +int init_dell_smbios_wmi(void) { dmi_walk(find_b1, NULL); @@ -271,15 +271,9 @@ static int __init init_dell_smbios_wmi(void) return wmi_driver_register(&dell_smbios_wmi_driver); } -static void __exit exit_dell_smbios_wmi(void) +void exit_dell_smbios_wmi(void) { wmi_driver_unregister(&dell_smbios_wmi_driver); } -module_init(init_dell_smbios_wmi); -module_exit(exit_dell_smbios_wmi); - MODULE_ALIAS("wmi:" DELL_WMI_SMBIOS_GUID); -MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>"); -MODULE_DESCRIPTION("Dell SMBIOS communications over WMI"); -MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h index 138d478..d8adaf9 100644 --- a/drivers/platform/x86/dell-smbios.h +++ b/drivers/platform/x86/dell-smbios.h @@ -75,4 +75,29 @@ int dell_laptop_register_notifier(struct notifier_block *nb); int dell_laptop_unregister_notifier(struct notifier_block *nb); void dell_laptop_call_notifier(unsigned long action, void *data); -#endif +/* for the supported backends */ +#ifdef CONFIG_DELL_SMBIOS_WMI +int init_dell_smbios_wmi(void); +void exit_dell_smbios_wmi(void); +#else /* CONFIG_DELL_SMBIOS_WMI */ +static inline int init_dell_smbios_wmi(void) +{ + return -ENODEV; +} +static inline void exit_dell_smbios_wmi(void) +{} +#endif /* CONFIG_DELL_SMBIOS_WMI */ + +#ifdef CONFIG_DELL_SMBIOS_SMM +int init_dell_smbios_smm(void); +void exit_dell_smbios_smm(void); +#else /* CONFIG_DELL_SMBIOS_SMM */ +static inline int init_dell_smbios_smm(void) +{ + return -ENODEV; +} +static inline void exit_dell_smbios_smm(void) +{} +#endif /* CONFIG_DELL_SMBIOS_SMM */ + +#endif /* _DELL_SMBIOS_H_ */ diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 2c99274..8d10219 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -714,7 +714,7 @@ static int __init dell_wmi_init(void) return wmi_driver_register(&dell_wmi_driver); } -module_init(dell_wmi_init); +late_initcall(dell_wmi_init); static void __exit dell_wmi_exit(void) { diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 5b6f18b18..535199c 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -113,7 +113,7 @@ MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); /* * ACPI Helpers */ -#define IDEAPAD_EC_TIMEOUT (100) /* in ms */ +#define IDEAPAD_EC_TIMEOUT (200) /* in ms */ static int read_method_int(acpi_handle handle, const char *method, int *val) { diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index d1a0131..5e3df19 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -376,6 +376,7 @@ static int intel_hid_remove(struct platform_device *device) { acpi_handle handle = ACPI_HANDLE(&device->dev); + device_init_wakeup(&device->dev, false); acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler); intel_hid_set_enable(&device->dev, false); intel_button_array_enable(&device->dev, false); diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index b703d6f..c13780b8 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -7,6 +7,7 @@ */ #include <linux/acpi.h> +#include <linux/dmi.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <linux/kernel.h> @@ -97,9 +98,35 @@ out_unknown: dev_dbg(&device->dev, "unknown event index 0x%x\n", event); } -static int intel_vbtn_probe(struct platform_device *device) +static void detect_tablet_mode(struct platform_device *device) { + const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); + struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev); + acpi_handle handle = ACPI_HANDLE(&device->dev); struct acpi_buffer vgbs_output = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + int m; + + if (!(chassis_type && strcmp(chassis_type, "31") == 0)) + goto out; + + status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output); + if (ACPI_FAILURE(status)) + goto out; + + obj = vgbs_output.pointer; + if (!(obj && obj->type == ACPI_TYPE_INTEGER)) + goto out; + + m = !(obj->integer.value & TABLET_MODE_FLAG); + input_report_switch(priv->input_dev, SW_TABLET_MODE, m); +out: + kfree(vgbs_output.pointer); +} + +static int intel_vbtn_probe(struct platform_device *device) +{ acpi_handle handle = ACPI_HANDLE(&device->dev); struct intel_vbtn_priv *priv; acpi_status status; @@ -122,22 +149,7 @@ static int intel_vbtn_probe(struct platform_device *device) return err; } - /* - * VGBS being present and returning something means we have - * a tablet mode switch. - */ - status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output); - if (ACPI_SUCCESS(status)) { - union acpi_object *obj = vgbs_output.pointer; - - if (obj && obj->type == ACPI_TYPE_INTEGER) { - int m = !(obj->integer.value & TABLET_MODE_FLAG); - - input_report_switch(priv->input_dev, SW_TABLET_MODE, m); - } - } - - kfree(vgbs_output.pointer); + detect_tablet_mode(device); status = acpi_install_notify_handler(handle, ACPI_DEVICE_NOTIFY, @@ -154,6 +166,7 @@ static int intel_vbtn_remove(struct platform_device *device) { acpi_handle handle = ACPI_HANDLE(&device->dev); + device_init_wakeup(&device->dev, false); acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler); /* diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index daa68ac..8796211 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -933,7 +933,7 @@ static int wmi_dev_probe(struct device *dev) goto probe_failure; } - buf = kmalloc(strlen(wdriver->driver.name) + 4, GFP_KERNEL); + buf = kmalloc(strlen(wdriver->driver.name) + 5, GFP_KERNEL); if (!buf) { ret = -ENOMEM; goto probe_string_failure; @@ -945,7 +945,7 @@ static int wmi_dev_probe(struct device *dev) wblock->char_dev.mode = 0444; ret = misc_register(&wblock->char_dev); if (ret) { - dev_warn(dev, "failed to register char dev: %d", ret); + dev_warn(dev, "failed to register char dev: %d\n", ret); ret = -ENOMEM; goto probe_misc_failure; } @@ -1048,7 +1048,7 @@ static int wmi_create_device(struct device *wmi_bus_dev, if (result) { dev_warn(wmi_bus_dev, - "%s data block query control method not found", + "%s data block query control method not found\n", method); return result; } @@ -1198,7 +1198,7 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) retval = device_add(&wblock->dev.dev); if (retval) { - dev_err(wmi_bus_dev, "failed to register %pULL\n", + dev_err(wmi_bus_dev, "failed to register %pUL\n", wblock->gblock.guid); if (debug_event) wmi_method_enable(wblock, 0); diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index dd4708c..1fc0c08 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4310,7 +4310,7 @@ static int _regulator_resume_early(struct device *dev, void *data) rstate = regulator_get_suspend_state(rdev, *state); if (rstate == NULL) - return -EINVAL; + return 0; mutex_lock(&rdev->mutex); diff --git a/drivers/regulator/stm32-vrefbuf.c b/drivers/regulator/stm32-vrefbuf.c index 72c8b3e..e0a9c44 100644 --- a/drivers/regulator/stm32-vrefbuf.c +++ b/drivers/regulator/stm32-vrefbuf.c @@ -51,7 +51,7 @@ static int stm32_vrefbuf_enable(struct regulator_dev *rdev) * arbitrary timeout. */ ret = readl_poll_timeout(priv->base + STM32_VREFBUF_CSR, val, - !(val & STM32_VRR), 650, 10000); + val & STM32_VRR, 650, 10000); if (ret) { dev_err(&rdev->dev, "stm32 vrefbuf timed out!\n"); val = readl_relaxed(priv->base + STM32_VREFBUF_CSR); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index a7c15f0..ecef8e7 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -2581,8 +2581,6 @@ int dasd_cancel_req(struct dasd_ccw_req *cqr) case DASD_CQR_QUEUED: /* request was not started - just set to cleared */ cqr->status = DASD_CQR_CLEARED; - if (cqr->callback_data == DASD_SLEEPON_START_TAG) - cqr->callback_data = DASD_SLEEPON_END_TAG; break; case DASD_CQR_IN_IO: /* request in IO - terminate IO and release again */ @@ -3902,9 +3900,12 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device) wait_event(dasd_flush_wq, (cqr->status != DASD_CQR_CLEAR_PENDING)); - /* mark sleepon requests as ended */ - if (cqr->callback_data == DASD_SLEEPON_START_TAG) - cqr->callback_data = DASD_SLEEPON_END_TAG; + /* + * requeue requests to blocklayer will only work + * for block device requests + */ + if (_dasd_requeue_request(cqr)) + continue; /* remove requests from device and block queue */ list_del_init(&cqr->devlist); @@ -3917,13 +3918,6 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device) cqr = refers; } - /* - * requeue requests to blocklayer will only work - * for block device requests - */ - if (_dasd_requeue_request(cqr)) - continue; - if (cqr->block) list_del_init(&cqr->blocklist); cqr->block->base->discipline->free_cp( @@ -3940,8 +3934,7 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device) list_splice_tail(&requeue_queue, &device->ccw_queue); spin_unlock_irq(get_ccwdev_lock(device->cdev)); } - /* wake up generic waitqueue for eventually ended sleepon requests */ - wake_up(&generic_waitq); + dasd_schedule_device_bh(device); return rc; } diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 1319122..9169af7 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -795,6 +795,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event) ccw_device_set_timeout(cdev, 0); cdev->private->iretry = 255; + cdev->private->async_kill_io_rc = -ETIMEDOUT; ret = ccw_device_cancel_halt_clear(cdev); if (ret == -EBUSY) { ccw_device_set_timeout(cdev, 3*HZ); @@ -871,7 +872,7 @@ ccw_device_killing_irq(struct ccw_device *cdev, enum dev_event dev_event) /* OK, i/o is dead now. Call interrupt handler. */ if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, - ERR_PTR(-EIO)); + ERR_PTR(cdev->private->async_kill_io_rc)); } static void @@ -888,14 +889,16 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event) ccw_device_online_verify(cdev, 0); if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, - ERR_PTR(-EIO)); + ERR_PTR(cdev->private->async_kill_io_rc)); } void ccw_device_kill_io(struct ccw_device *cdev) { int ret; + ccw_device_set_timeout(cdev, 0); cdev->private->iretry = 255; + cdev->private->async_kill_io_rc = -EIO; ret = ccw_device_cancel_halt_clear(cdev); if (ret == -EBUSY) { ccw_device_set_timeout(cdev, 3*HZ); diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index 1caf6a3..75ce12a 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -159,7 +159,7 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm) } /** - * ccw_device_start_key() - start a s390 channel program with key + * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key * @cdev: target ccw device * @cpa: logical start address of channel program * @intparm: user specific interruption parameter; will be presented back to @@ -170,10 +170,15 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm) * @key: storage key to be used for the I/O * @flags: additional flags; defines the action to be performed for I/O * processing. + * @expires: timeout value in jiffies * * Start a S/390 channel program. When the interrupt arrives, the * IRQ handler is called, either immediately, delayed (dev-end missing, * or sense required) or never (no IRQ handler registered). + * This function notifies the device driver if the channel program has not + * completed during the time specified by @expires. If a timeout occurs, the + * channel program is terminated via xsch, hsch or csch, and the device's + * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT). * Returns: * %0, if the operation was successful; * -%EBUSY, if the device is busy, or status pending; @@ -182,9 +187,9 @@ int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm) * Context: * Interrupts disabled, ccw device lock held */ -int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, - unsigned long intparm, __u8 lpm, __u8 key, - unsigned long flags) +int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa, + unsigned long intparm, __u8 lpm, __u8 key, + unsigned long flags, int expires) { struct subchannel *sch; int ret; @@ -224,6 +229,8 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, switch (ret) { case 0: cdev->private->intparm = intparm; + if (expires) + ccw_device_set_timeout(cdev, expires); break; case -EACCES: case -ENODEV: @@ -234,7 +241,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, } /** - * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key + * ccw_device_start_key() - start a s390 channel program with key * @cdev: target ccw device * @cpa: logical start address of channel program * @intparm: user specific interruption parameter; will be presented back to @@ -245,15 +252,10 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, * @key: storage key to be used for the I/O * @flags: additional flags; defines the action to be performed for I/O * processing. - * @expires: timeout value in jiffies * * Start a S/390 channel program. When the interrupt arrives, the * IRQ handler is called, either immediately, delayed (dev-end missing, * or sense required) or never (no IRQ handler registered). - * This function notifies the device driver if the channel program has not - * completed during the time specified by @expires. If a timeout occurs, the - * channel program is terminated via xsch, hsch or csch, and the device's - * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT). * Returns: * %0, if the operation was successful; * -%EBUSY, if the device is busy, or status pending; @@ -262,19 +264,12 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, * Context: * Interrupts disabled, ccw device lock held */ -int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa, - unsigned long intparm, __u8 lpm, __u8 key, - unsigned long flags, int expires) +int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa, + unsigned long intparm, __u8 lpm, __u8 key, + unsigned long flags) { - int ret; - - if (!cdev) - return -ENODEV; - ccw_device_set_timeout(cdev, expires); - ret = ccw_device_start_key(cdev, cpa, intparm, lpm, key, flags); - if (ret != 0) - ccw_device_set_timeout(cdev, 0); - return ret; + return ccw_device_start_timeout_key(cdev, cpa, intparm, lpm, key, + flags, 0); } /** @@ -489,18 +484,20 @@ void ccw_device_get_id(struct ccw_device *cdev, struct ccw_dev_id *dev_id) EXPORT_SYMBOL(ccw_device_get_id); /** - * ccw_device_tm_start_key() - perform start function + * ccw_device_tm_start_timeout_key() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler * @lpm: mask of paths to use * @key: storage key to use for storage access + * @expires: time span in jiffies after which to abort request * * Start the tcw on the given ccw device. Return zero on success, non-zero * otherwise. */ -int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, - unsigned long intparm, u8 lpm, u8 key) +int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw, + unsigned long intparm, u8 lpm, u8 key, + int expires) { struct subchannel *sch; int rc; @@ -527,37 +524,32 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, return -EACCES; } rc = cio_tm_start_key(sch, tcw, lpm, key); - if (rc == 0) + if (rc == 0) { cdev->private->intparm = intparm; + if (expires) + ccw_device_set_timeout(cdev, expires); + } return rc; } -EXPORT_SYMBOL(ccw_device_tm_start_key); +EXPORT_SYMBOL(ccw_device_tm_start_timeout_key); /** - * ccw_device_tm_start_timeout_key() - perform start function + * ccw_device_tm_start_key() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler * @lpm: mask of paths to use * @key: storage key to use for storage access - * @expires: time span in jiffies after which to abort request * * Start the tcw on the given ccw device. Return zero on success, non-zero * otherwise. */ -int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw, - unsigned long intparm, u8 lpm, u8 key, - int expires) +int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, + unsigned long intparm, u8 lpm, u8 key) { - int ret; - - ccw_device_set_timeout(cdev, expires); - ret = ccw_device_tm_start_key(cdev, tcw, intparm, lpm, key); - if (ret != 0) - ccw_device_set_timeout(cdev, 0); - return ret; + return ccw_device_tm_start_timeout_key(cdev, tcw, intparm, lpm, key, 0); } -EXPORT_SYMBOL(ccw_device_tm_start_timeout_key); +EXPORT_SYMBOL(ccw_device_tm_start_key); /** * ccw_device_tm_start() - perform start function diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index af571d8..90e4e3a 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -157,6 +157,7 @@ struct ccw_device_private { unsigned long intparm; /* user interruption parameter */ struct qdio_irq *qdio_data; struct irb irb; /* device status */ + int async_kill_io_rc; struct senseid senseid; /* SenseID info */ struct pgid pgid[8]; /* path group IDs per chpid*/ struct ccw1 iccws[2]; /* ccws for SNID/SID/SPGID commands */ diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index ca72f33..3653bea 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -527,8 +527,7 @@ static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue) queue == card->qdio.no_in_queues - 1; } - -static int qeth_issue_next_read(struct qeth_card *card) +static int __qeth_issue_next_read(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; @@ -559,6 +558,17 @@ static int qeth_issue_next_read(struct qeth_card *card) return rc; } +static int qeth_issue_next_read(struct qeth_card *card) +{ + int ret; + + spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card))); + ret = __qeth_issue_next_read(card); + spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card))); + + return ret; +} + static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card) { struct qeth_reply *reply; @@ -960,7 +970,7 @@ void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_running_mask &= ~thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); + wake_up_all(&card->wait_q); } EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit); @@ -1164,6 +1174,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, } rc = qeth_get_problem(cdev, irb); if (rc) { + card->read_or_write_problem = 1; qeth_clear_ipacmd_list(card); qeth_schedule_recovery(card); goto out; @@ -1182,7 +1193,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, return; if (channel == &card->read && channel->state == CH_STATE_UP) - qeth_issue_next_read(card); + __qeth_issue_next_read(card); iob = channel->iob; index = channel->buf_no; @@ -2134,24 +2145,25 @@ int qeth_send_control_data(struct qeth_card *card, int len, } reply->callback = reply_cb; reply->param = reply_param; - if (card->state == CARD_STATE_DOWN) - reply->seqno = QETH_IDX_COMMAND_SEQNO; - else - reply->seqno = card->seqno.ipa++; + init_waitqueue_head(&reply->wait_q); - spin_lock_irqsave(&card->lock, flags); - list_add_tail(&reply->list, &card->cmd_waiter_list); - spin_unlock_irqrestore(&card->lock, flags); while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ; - qeth_prepare_control_data(card, len, iob); if (IS_IPA(iob->data)) { cmd = __ipa_cmd(iob); + cmd->hdr.seqno = card->seqno.ipa++; + reply->seqno = cmd->hdr.seqno; event_timeout = QETH_IPA_TIMEOUT; } else { + reply->seqno = QETH_IDX_COMMAND_SEQNO; event_timeout = QETH_TIMEOUT; } + qeth_prepare_control_data(card, len, iob); + + spin_lock_irqsave(&card->lock, flags); + list_add_tail(&reply->list, &card->cmd_waiter_list); + spin_unlock_irqrestore(&card->lock, flags); timeout = jiffies + event_timeout; @@ -2933,7 +2945,7 @@ static void qeth_fill_ipacmd_header(struct qeth_card *card, memset(cmd, 0, sizeof(struct qeth_ipa_cmd)); cmd->hdr.command = command; cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; - cmd->hdr.seqno = card->seqno.ipa; + /* cmd->hdr.seqno is set by qeth_send_control_data() */ cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); cmd->hdr.rel_adapter_no = (__u8) card->info.portno; if (card->options.layer2) @@ -3898,10 +3910,12 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags); int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, int extra_elems, int data_offset) { - int elements = qeth_get_elements_for_range( - (addr_t)skb->data + data_offset, - (addr_t)skb->data + skb_headlen(skb)) + - qeth_get_elements_for_frags(skb); + addr_t end = (addr_t)skb->data + skb_headlen(skb); + int elements = qeth_get_elements_for_frags(skb); + addr_t start = (addr_t)skb->data + data_offset; + + if (start != end) + elements += qeth_get_elements_for_range(start, end); if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) { QETH_DBF_MESSAGE(2, "Invalid size of IP packet " @@ -5084,8 +5098,6 @@ static void qeth_core_free_card(struct qeth_card *card) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_clean_channel(&card->read); qeth_clean_channel(&card->write); - if (card->dev) - free_netdev(card->dev); qeth_free_qdio_buffers(card); unregister_service_level(&card->qeth_service_level); kfree(card); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 7f23644..5ef4c97 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -915,8 +915,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) qeth_l2_set_offline(cgdev); if (card->dev) { - netif_napi_del(&card->napi); unregister_netdev(card->dev); + free_netdev(card->dev); card->dev = NULL; } return; diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h index bdd45f4..498fe9a 100644 --- a/drivers/s390/net/qeth_l3.h +++ b/drivers/s390/net/qeth_l3.h @@ -40,8 +40,40 @@ struct qeth_ipaddr { unsigned int pfxlen; } a6; } u; - }; + +static inline bool qeth_l3_addr_match_ip(struct qeth_ipaddr *a1, + struct qeth_ipaddr *a2) +{ + if (a1->proto != a2->proto) + return false; + if (a1->proto == QETH_PROT_IPV6) + return ipv6_addr_equal(&a1->u.a6.addr, &a2->u.a6.addr); + return a1->u.a4.addr == a2->u.a4.addr; +} + +static inline bool qeth_l3_addr_match_all(struct qeth_ipaddr *a1, + struct qeth_ipaddr *a2) +{ + /* Assumes that the pair was obtained via qeth_l3_addr_find_by_ip(), + * so 'proto' and 'addr' match for sure. + * + * For ucast: + * - 'mac' is always 0. + * - 'mask'/'pfxlen' for RXIP/VIPA is always 0. For NORMAL, matching + * values are required to avoid mixups in takeover eligibility. + * + * For mcast, + * - 'mac' is mapped from the IP, and thus always matches. + * - 'mask'/'pfxlen' is always 0. + */ + if (a1->type != a2->type) + return false; + if (a1->proto == QETH_PROT_IPV6) + return a1->u.a6.pfxlen == a2->u.a6.pfxlen; + return a1->u.a4.mask == a2->u.a4.mask; +} + static inline u64 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr) { u64 ret = 0; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index b0c888e8..b6b1222 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -67,6 +67,24 @@ void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, qeth_l3_ipaddr6_to_string(addr, buf); } +static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card, + struct qeth_ipaddr *query) +{ + u64 key = qeth_l3_ipaddr_hash(query); + struct qeth_ipaddr *addr; + + if (query->is_multicast) { + hash_for_each_possible(card->ip_mc_htable, addr, hnode, key) + if (qeth_l3_addr_match_ip(addr, query)) + return addr; + } else { + hash_for_each_possible(card->ip_htable, addr, hnode, key) + if (qeth_l3_addr_match_ip(addr, query)) + return addr; + } + return NULL; +} + static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) { int i, j; @@ -120,34 +138,6 @@ static bool qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, return rc; } -inline int -qeth_l3_ipaddrs_is_equal(struct qeth_ipaddr *addr1, struct qeth_ipaddr *addr2) -{ - return addr1->proto == addr2->proto && - !memcmp(&addr1->u, &addr2->u, sizeof(addr1->u)) && - ether_addr_equal_64bits(addr1->mac, addr2->mac); -} - -static struct qeth_ipaddr * -qeth_l3_ip_from_hash(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) -{ - struct qeth_ipaddr *addr; - - if (tmp_addr->is_multicast) { - hash_for_each_possible(card->ip_mc_htable, addr, - hnode, qeth_l3_ipaddr_hash(tmp_addr)) - if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr)) - return addr; - } else { - hash_for_each_possible(card->ip_htable, addr, - hnode, qeth_l3_ipaddr_hash(tmp_addr)) - if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr)) - return addr; - } - - return NULL; -} - int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) { int rc = 0; @@ -162,23 +152,18 @@ int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); } - addr = qeth_l3_ip_from_hash(card, tmp_addr); - if (!addr) + addr = qeth_l3_find_addr_by_ip(card, tmp_addr); + if (!addr || !qeth_l3_addr_match_all(addr, tmp_addr)) return -ENOENT; addr->ref_counter--; - if (addr->ref_counter > 0 && (addr->type == QETH_IP_TYPE_NORMAL || - addr->type == QETH_IP_TYPE_RXIP)) + if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0) return rc; if (addr->in_progress) return -EINPROGRESS; - if (!qeth_card_hw_is_reachable(card)) { - addr->disp_flag = QETH_DISP_ADDR_DELETE; - return 0; - } - - rc = qeth_l3_deregister_addr_entry(card, addr); + if (qeth_card_hw_is_reachable(card)) + rc = qeth_l3_deregister_addr_entry(card, addr); hash_del(&addr->hnode); kfree(addr); @@ -190,6 +175,7 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) { int rc = 0; struct qeth_ipaddr *addr; + char buf[40]; QETH_CARD_TEXT(card, 4, "addip"); @@ -200,8 +186,20 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); } - addr = qeth_l3_ip_from_hash(card, tmp_addr); - if (!addr) { + addr = qeth_l3_find_addr_by_ip(card, tmp_addr); + if (addr) { + if (tmp_addr->type != QETH_IP_TYPE_NORMAL) + return -EADDRINUSE; + if (qeth_l3_addr_match_all(addr, tmp_addr)) { + addr->ref_counter++; + return 0; + } + qeth_l3_ipaddr_to_string(tmp_addr->proto, (u8 *)&tmp_addr->u, + buf); + dev_warn(&card->gdev->dev, + "Registering IP address %s failed\n", buf); + return -EADDRINUSE; + } else { addr = qeth_l3_get_addr_buffer(tmp_addr->proto); if (!addr) return -ENOMEM; @@ -241,19 +239,15 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) (rc == IPA_RC_LAN_OFFLINE)) { addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; if (addr->ref_counter < 1) { - qeth_l3_delete_ip(card, addr); + qeth_l3_deregister_addr_entry(card, addr); + hash_del(&addr->hnode); kfree(addr); } } else { hash_del(&addr->hnode); kfree(addr); } - } else { - if (addr->type == QETH_IP_TYPE_NORMAL || - addr->type == QETH_IP_TYPE_RXIP) - addr->ref_counter++; } - return rc; } @@ -321,11 +315,7 @@ static void qeth_l3_recover_ip(struct qeth_card *card) spin_lock_bh(&card->ip_lock); hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { - if (addr->disp_flag == QETH_DISP_ADDR_DELETE) { - qeth_l3_deregister_addr_entry(card, addr); - hash_del(&addr->hnode); - kfree(addr); - } else if (addr->disp_flag == QETH_DISP_ADDR_ADD) { + if (addr->disp_flag == QETH_DISP_ADDR_ADD) { if (addr->proto == QETH_PROT_IPV4) { addr->in_progress = 1; spin_unlock_bh(&card->ip_lock); @@ -643,12 +633,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, return -ENOMEM; spin_lock_bh(&card->ip_lock); - - if (qeth_l3_ip_from_hash(card, ipaddr)) - rc = -EEXIST; - else - rc = qeth_l3_add_ip(card, ipaddr); - + rc = qeth_l3_add_ip(card, ipaddr); spin_unlock_bh(&card->ip_lock); kfree(ipaddr); @@ -713,12 +698,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, return -ENOMEM; spin_lock_bh(&card->ip_lock); - - if (qeth_l3_ip_from_hash(card, ipaddr)) - rc = -EEXIST; - else - rc = qeth_l3_add_ip(card, ipaddr); - + rc = qeth_l3_add_ip(card, ipaddr); spin_unlock_bh(&card->ip_lock); kfree(ipaddr); @@ -1239,8 +1219,9 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev) tmp->u.a4.addr = be32_to_cpu(im4->multiaddr); tmp->is_multicast = 1; - ipm = qeth_l3_ip_from_hash(card, tmp); + ipm = qeth_l3_find_addr_by_ip(card, tmp); if (ipm) { + /* for mcast, by-IP match means full match */ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; } else { ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); @@ -1319,8 +1300,9 @@ static void qeth_l3_add_mc6_to_hash(struct qeth_card *card, sizeof(struct in6_addr)); tmp->is_multicast = 1; - ipm = qeth_l3_ip_from_hash(card, tmp); + ipm = qeth_l3_find_addr_by_ip(card, tmp); if (ipm) { + /* for mcast, by-IP match means full match */ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; continue; } @@ -2450,11 +2432,12 @@ static void qeth_tso_fill_header(struct qeth_card *card, static int qeth_l3_get_elements_no_tso(struct qeth_card *card, struct sk_buff *skb, int extra_elems) { - addr_t tcpdptr = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb); - int elements = qeth_get_elements_for_range( - tcpdptr, - (addr_t)skb->data + skb_headlen(skb)) + - qeth_get_elements_for_frags(skb); + addr_t start = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb); + addr_t end = (addr_t)skb->data + skb_headlen(skb); + int elements = qeth_get_elements_for_frags(skb); + + if (start != end) + elements += qeth_get_elements_for_range(start, end); if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) { QETH_DBF_MESSAGE(2, @@ -2882,8 +2865,8 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) qeth_l3_set_offline(cgdev); if (card->dev) { - netif_napi_del(&card->napi); unregister_netdev(card->dev); + free_netdev(card->dev); card->dev = NULL; } diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index ba2e0856..8f5c1d7 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -1297,6 +1297,9 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event) vcdev->device_lost = true; rc = NOTIFY_DONE; break; + case CIO_OPER: + rc = NOTIFY_OK; + break; default: rc = NOTIFY_DONE; break; @@ -1309,6 +1312,27 @@ static struct ccw_device_id virtio_ids[] = { {}, }; +#ifdef CONFIG_PM_SLEEP +static int virtio_ccw_freeze(struct ccw_device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + + return virtio_device_freeze(&vcdev->vdev); +} + +static int virtio_ccw_restore(struct ccw_device *cdev) +{ + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); + int ret; + + ret = virtio_ccw_set_transport_rev(vcdev); + if (ret) + return ret; + + return virtio_device_restore(&vcdev->vdev); +} +#endif + static struct ccw_driver virtio_ccw_driver = { .driver = { .owner = THIS_MODULE, @@ -1321,6 +1345,11 @@ static struct ccw_driver virtio_ccw_driver = { .set_online = virtio_ccw_online, .notify = virtio_ccw_cio_notify, .int_class = IRQIO_VIR, +#ifdef CONFIG_PM_SLEEP + .freeze = virtio_ccw_freeze, + .thaw = virtio_ccw_restore, + .restore = virtio_ccw_restore, +#endif }; static int __init pure_hex(char **cp, unsigned int *val, int min_digit, diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index fcfd28d..de1b3fc 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -185,7 +185,6 @@ ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \ CFLAGS_ncr53c8xx.o := $(ncr53c8xx-flags-y) $(ncr53c8xx-flags-m) zalon7xx-objs := zalon.o ncr53c8xx.o NCR_Q720_mod-objs := NCR_Q720.o ncr53c8xx.o -oktagon_esp_mod-objs := oktagon_esp.o oktagon_io.o # Files generated that shall be removed upon make clean clean-files := 53c700_d.h 53c700_u.h diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index b3b931a..2664ea0 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1693,8 +1693,10 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) * Map in the registers from the adapter. */ aac->base_size = AAC_MIN_FOOTPRINT_SIZE; - if ((*aac_drivers[index].init)(aac)) + if ((*aac_drivers[index].init)(aac)) { + error = -ENODEV; goto out_unmap; + } if (aac->sync_mode) { if (aac_sync_mode) diff --git a/drivers/scsi/aic7xxx/aiclib.c b/drivers/scsi/aic7xxx/aiclib.c deleted file mode 100644 index 828ae3d..0000000 --- a/drivers/scsi/aic7xxx/aiclib.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Implementation of Utility functions for all SCSI device types. - * - * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. - * Copyright (c) 1997, 1998 Kenneth D. Merry. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification, immediately at the beginning of the file. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/sys/cam/scsi/scsi_all.c,v 1.38 2002/09/23 04:56:35 mjacob Exp $ - * $Id$ - */ - -#include "aiclib.h" - diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 8e2f767..5a645b8 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1889,6 +1889,7 @@ void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, /* we will not receive ABTS response for this IO */ BNX2FC_IO_DBG(io_req, "Timer context finished processing " "this scsi cmd\n"); + return; } /* Cancel the timeout_work, as we received IO completion */ diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c index be5ee2d..7dbbbb8 100644 --- a/drivers/scsi/csiostor/csio_lnode.c +++ b/drivers/scsi/csiostor/csio_lnode.c @@ -114,7 +114,7 @@ static enum csio_ln_ev fwevt_to_lnevt[] = { static struct csio_lnode * csio_ln_lookup_by_portid(struct csio_hw *hw, uint8_t portid) { - struct csio_lnode *ln = hw->rln; + struct csio_lnode *ln; struct list_head *tmp; /* Match siblings lnode with portid */ diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 022e421..4b44325 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -876,6 +876,11 @@ static void alua_rtpg_work(struct work_struct *work) /** * alua_rtpg_queue() - cause RTPG to be submitted asynchronously + * @pg: ALUA port group associated with @sdev. + * @sdev: SCSI device for which to submit an RTPG. + * @qdata: Information about the callback to invoke after the RTPG. + * @force: Whether or not to submit an RTPG if a work item that will submit an + * RTPG already has been scheduled. * * Returns true if and only if alua_rtpg_work() will be called asynchronously. * That function is responsible for calling @qdata->fn(). diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 57bf43e..dd94649 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -328,8 +328,6 @@ static void scsi_host_dev_release(struct device *dev) if (shost->work_q) destroy_workqueue(shost->work_q); - destroy_rcu_head(&shost->rcu); - if (shost->shost_state == SHOST_CREATED) { /* * Free the shost_dev device name here if scsi_host_alloc() @@ -404,7 +402,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) INIT_LIST_HEAD(&shost->starved_list); init_waitqueue_head(&shost->host_wait); mutex_init(&shost->scan_mutex); - init_rcu_head(&shost->rcu); index = ida_simple_get(&host_index_ida, 0, 0, GFP_KERNEL); if (index < 0) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 9a0696f..b81a53c 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -367,7 +367,7 @@ enum ibmvfc_fcp_rsp_info_codes { }; struct ibmvfc_fcp_rsp_info { - __be16 reserved; + u8 reserved[3]; u8 rsp_code; u8 reserved2[4]; }__attribute__((packed, aligned (2))); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 6de9681..ceab5e5 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -223,6 +223,7 @@ out_done: static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) { struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host); + struct domain_device *dev = cmd_to_domain_dev(cmd); struct sas_task *task = TO_SAS_TASK(cmd); /* At this point, we only get called following an actual abort @@ -231,6 +232,14 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) */ sas_end_task(cmd, task); + if (dev_is_sata(dev)) { + /* defer commands to libata so that libata EH can + * handle ata qcs correctly + */ + list_move_tail(&cmd->eh_entry, &sas_ha->eh_ata_q); + return; + } + /* now finish the command and move it on to the error * handler done list, this also takes it off the * error handler pending list. @@ -238,22 +247,6 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q); } -static void sas_eh_defer_cmd(struct scsi_cmnd *cmd) -{ - struct domain_device *dev = cmd_to_domain_dev(cmd); - struct sas_ha_struct *ha = dev->port->ha; - struct sas_task *task = TO_SAS_TASK(cmd); - - if (!dev_is_sata(dev)) { - sas_eh_finish_cmd(cmd); - return; - } - - /* report the timeout to libata */ - sas_end_task(cmd, task); - list_move_tail(&cmd->eh_entry, &ha->eh_ata_q); -} - static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) { struct scsi_cmnd *cmd, *n; @@ -261,7 +254,7 @@ static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd list_for_each_entry_safe(cmd, n, error_q, eh_entry) { if (cmd->device->sdev_target == my_cmd->device->sdev_target && cmd->device->lun == my_cmd->device->lun) - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); } } @@ -631,12 +624,12 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head * case TASK_IS_DONE: SAS_DPRINTK("%s: task 0x%p is done\n", __func__, task); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); continue; case TASK_IS_ABORTED: SAS_DPRINTK("%s: task 0x%p is aborted\n", __func__, task); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); continue; case TASK_IS_AT_LU: SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task); @@ -647,7 +640,7 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head * "recovered\n", SAS_ADDR(task->dev), cmd->device->lun); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); sas_scsi_clear_queue_lu(work_q, cmd); goto Again; } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 073ced0..dc8e850 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -216,36 +216,30 @@ inline void megasas_return_cmd_fusion(struct megasas_instance *instance, /** * megasas_fire_cmd_fusion - Sends command to the FW * @instance: Adapter soft state - * @req_desc: 32bit or 64bit Request descriptor + * @req_desc: 64bit Request descriptor * - * Perform PCI Write. Ventura supports 32 bit Descriptor. - * Prior to Ventura (12G) MR controller supports 64 bit Descriptor. + * Perform PCI Write. */ static void megasas_fire_cmd_fusion(struct megasas_instance *instance, union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc) { - if (instance->adapter_type == VENTURA_SERIES) - writel(le32_to_cpu(req_desc->u.low), - &instance->reg_set->inbound_single_queue_port); - else { #if defined(writeq) && defined(CONFIG_64BIT) - u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | - le32_to_cpu(req_desc->u.low)); + u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) | + le32_to_cpu(req_desc->u.low)); - writeq(req_data, &instance->reg_set->inbound_low_queue_port); + writeq(req_data, &instance->reg_set->inbound_low_queue_port); #else - unsigned long flags; - spin_lock_irqsave(&instance->hba_lock, flags); - writel(le32_to_cpu(req_desc->u.low), - &instance->reg_set->inbound_low_queue_port); - writel(le32_to_cpu(req_desc->u.high), - &instance->reg_set->inbound_high_queue_port); - mmiowb(); - spin_unlock_irqrestore(&instance->hba_lock, flags); + unsigned long flags; + spin_lock_irqsave(&instance->hba_lock, flags); + writel(le32_to_cpu(req_desc->u.low), + &instance->reg_set->inbound_low_queue_port); + writel(le32_to_cpu(req_desc->u.high), + &instance->reg_set->inbound_high_queue_port); + mmiowb(); + spin_unlock_irqrestore(&instance->hba_lock, flags); #endif - } } /** @@ -982,7 +976,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) const char *sys_info; MFI_CAPABILITIES *drv_ops; u32 scratch_pad_2; - unsigned long flags; ktime_t time; bool cur_fw_64bit_dma_capable; @@ -1121,14 +1114,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) break; } - /* For Ventura also IOC INIT required 64 bit Descriptor write. */ - spin_lock_irqsave(&instance->hba_lock, flags); - writel(le32_to_cpu(req_desc.u.low), - &instance->reg_set->inbound_low_queue_port); - writel(le32_to_cpu(req_desc.u.high), - &instance->reg_set->inbound_high_queue_port); - mmiowb(); - spin_unlock_irqrestore(&instance->hba_lock, flags); + megasas_fire_cmd_fusion(instance, &req_desc); wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 13d6e4e..0aafbfd 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2410,8 +2410,11 @@ _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc) continue; } - for_each_cpu(cpu, mask) + for_each_cpu_and(cpu, mask, cpu_online_mask) { + if (cpu >= ioc->cpu_msix_table_sz) + break; ioc->cpu_msix_table[cpu] = reply_q->msix_index; + } } return; } @@ -6294,14 +6297,14 @@ _base_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) } /** - * _wait_for_commands_to_complete - reset controller + * mpt3sas_wait_for_commands_to_complete - reset controller * @ioc: Pointer to MPT_ADAPTER structure * * This function is waiting 10s for all pending commands to complete * prior to putting controller in reset. */ -static void -_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc) +void +mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc) { u32 ioc_state; @@ -6374,7 +6377,7 @@ mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, is_fault = 1; } _base_reset_handler(ioc, MPT3_IOC_PRE_RESET); - _wait_for_commands_to_complete(ioc); + mpt3sas_wait_for_commands_to_complete(ioc); _base_mask_interrupts(ioc); r = _base_make_ioc_ready(ioc, type); if (r) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 789bc42..99ccf83 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -1433,6 +1433,9 @@ void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc, int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc); +void +mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc); + /* scsih shared API */ struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 74fca18..a1cb023 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -2835,7 +2835,8 @@ scsih_abort(struct scsi_cmnd *scmd) _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { + if (!sas_device_priv_data || !sas_device_priv_data->sas_target || + ioc->remove_host) { sdev_printk(KERN_INFO, scmd->device, "device been deleted! scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; @@ -2898,7 +2899,8 @@ scsih_dev_reset(struct scsi_cmnd *scmd) _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { + if (!sas_device_priv_data || !sas_device_priv_data->sas_target || + ioc->remove_host) { sdev_printk(KERN_INFO, scmd->device, "device been deleted! scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; @@ -2961,7 +2963,8 @@ scsih_target_reset(struct scsi_cmnd *scmd) _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { + if (!sas_device_priv_data || !sas_device_priv_data->sas_target || + ioc->remove_host) { starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; @@ -3019,7 +3022,7 @@ scsih_host_reset(struct scsi_cmnd *scmd) ioc->name, scmd); scsi_print_command(scmd); - if (ioc->is_driver_loading) { + if (ioc->is_driver_loading || ioc->remove_host) { pr_info(MPT3SAS_FMT "Blocking the host reset\n", ioc->name); r = FAILED; @@ -4453,7 +4456,7 @@ _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc) st = scsi_cmd_priv(scmd); mpt3sas_base_clear_st(ioc, st); scsi_dma_unmap(scmd); - if (ioc->pci_error_recovery) + if (ioc->pci_error_recovery || ioc->remove_host) scmd->result = DID_NO_CONNECT << 16; else scmd->result = DID_RESET << 16; @@ -9739,6 +9742,10 @@ static void scsih_remove(struct pci_dev *pdev) unsigned long flags; ioc->remove_host = 1; + + mpt3sas_wait_for_commands_to_complete(ioc); + _scsih_flush_running_cmds(ioc); + _scsih_fw_event_cleanup_queue(ioc); spin_lock_irqsave(&ioc->fw_event_lock, flags); @@ -9815,6 +9822,10 @@ scsih_shutdown(struct pci_dev *pdev) unsigned long flags; ioc->remove_host = 1; + + mpt3sas_wait_for_commands_to_complete(ioc); + _scsih_flush_running_cmds(ioc); + _scsih_fw_event_cleanup_queue(ioc); spin_lock_irqsave(&ioc->fw_event_lock, flags); @@ -10547,7 +10558,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), "fw_event_%s%d", ioc->driver_name, ioc->id); ioc->firmware_event_thread = alloc_ordered_workqueue( - ioc->firmware_event_name, WQ_MEM_RECLAIM); + ioc->firmware_event_name, 0); if (!ioc->firmware_event_thread) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 667d769..d09afe1 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -762,6 +762,11 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, iscsi_cid = cqe->conn_id; qedi_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid]; + if (!qedi_conn) { + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, + "icid not found 0x%x\n", cqe->conn_id); + return; + } /* Based on this itt get the corresponding qedi_cmd */ spin_lock_bh(&qedi_conn->tmf_work_lock); diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 029e2e6..f57a94b 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1724,7 +1724,6 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) { struct qedi_ctx *qedi = data; struct nvm_iscsi_initiator *initiator; - char *str = buf; int rc = 1; u32 ipv6_en, dhcp_en, ip_len; struct nvm_iscsi_block *block; @@ -1758,32 +1757,32 @@ static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_ETH_IP_ADDR: - rc = snprintf(str, ip_len, fmt, ip); + rc = snprintf(buf, ip_len, fmt, ip); break; case ISCSI_BOOT_ETH_SUBNET_MASK: - rc = snprintf(str, ip_len, fmt, sub); + rc = snprintf(buf, ip_len, fmt, sub); break; case ISCSI_BOOT_ETH_GATEWAY: - rc = snprintf(str, ip_len, fmt, gw); + rc = snprintf(buf, ip_len, fmt, gw); break; case ISCSI_BOOT_ETH_FLAGS: - rc = snprintf(str, 3, "%hhd\n", + rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); break; case ISCSI_BOOT_ETH_INDEX: - rc = snprintf(str, 3, "0\n"); + rc = snprintf(buf, 3, "0\n"); break; case ISCSI_BOOT_ETH_MAC: - rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN); + rc = sysfs_format_mac(buf, qedi->mac, ETH_ALEN); break; case ISCSI_BOOT_ETH_VLAN: - rc = snprintf(str, 12, "%d\n", + rc = snprintf(buf, 12, "%d\n", GET_FIELD2(initiator->generic_cont0, NVM_ISCSI_CFG_INITIATOR_VLAN)); break; case ISCSI_BOOT_ETH_ORIGIN: if (dhcp_en) - rc = snprintf(str, 3, "3\n"); + rc = snprintf(buf, 3, "3\n"); break; default: rc = 0; @@ -1819,7 +1818,6 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) { struct qedi_ctx *qedi = data; struct nvm_iscsi_initiator *initiator; - char *str = buf; int rc; struct nvm_iscsi_block *block; @@ -1831,8 +1829,8 @@ static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_INI_INITIATOR_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", - initiator->initiator_name.byte); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + initiator->initiator_name.byte); break; default: rc = 0; @@ -1860,7 +1858,6 @@ static ssize_t qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type, char *buf, enum qedi_nvm_tgts idx) { - char *str = buf; int rc = 1; u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len; struct nvm_iscsi_block *block; @@ -1899,48 +1896,48 @@ qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type, switch (type) { case ISCSI_BOOT_TGT_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n", - block->target[idx].target_name.byte); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, + block->target[idx].target_name.byte); break; case ISCSI_BOOT_TGT_IP_ADDR: if (ipv6_en) - rc = snprintf(str, ip_len, "%pI6\n", + rc = snprintf(buf, ip_len, "%pI6\n", block->target[idx].ipv6_addr.byte); else - rc = snprintf(str, ip_len, "%pI4\n", + rc = snprintf(buf, ip_len, "%pI4\n", block->target[idx].ipv4_addr.byte); break; case ISCSI_BOOT_TGT_PORT: - rc = snprintf(str, 12, "%d\n", + rc = snprintf(buf, 12, "%d\n", GET_FIELD2(block->target[idx].generic_cont0, NVM_ISCSI_CFG_TARGET_TCP_PORT)); break; case ISCSI_BOOT_TGT_LUN: - rc = snprintf(str, 22, "%.*d\n", + rc = snprintf(buf, 22, "%.*d\n", block->target[idx].lun.value[1], block->target[idx].lun.value[0]); break; case ISCSI_BOOT_TGT_CHAP_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", - chap_name); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + chap_name); break; case ISCSI_BOOT_TGT_CHAP_SECRET: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", - chap_secret); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + chap_secret); break; case ISCSI_BOOT_TGT_REV_CHAP_NAME: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n", - mchap_name); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + mchap_name); break; case ISCSI_BOOT_TGT_REV_CHAP_SECRET: - rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n", - mchap_secret); + rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, + mchap_secret); break; case ISCSI_BOOT_TGT_FLAGS: - rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); + rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); break; case ISCSI_BOOT_TGT_NIC_ASSOC: - rc = snprintf(str, 3, "0\n"); + rc = snprintf(buf, 3, "0\n"); break; default: rc = 0; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index be7d682..c9689f9 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -261,9 +261,9 @@ struct name_list_extended { struct get_name_list_extended *l; dma_addr_t ldma; - struct list_head fcports; /* protect by sess_list */ + struct list_head fcports; + spinlock_t fcports_lock; u32 size; - u8 sent; }; /* * Timeout timer counts in seconds @@ -2217,6 +2217,7 @@ typedef struct { /* FCP-4 types */ #define FC4_TYPE_FCP_SCSI 0x08 +#define FC4_TYPE_NVME 0x28 #define FC4_TYPE_OTHER 0x0 #define FC4_TYPE_UNKNOWN 0xff diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 5bf9a59..403fa09 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -3179,6 +3179,7 @@ done_free_sp: sp->free(sp); fcport->flags &= ~FCF_ASYNC_SENT; done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } @@ -3370,6 +3371,7 @@ done_free_sp: sp->free(sp); fcport->flags &= ~FCF_ASYNC_SENT; done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } @@ -3971,6 +3973,9 @@ out: spin_lock_irqsave(&vha->work_lock, flags); vha->scan.scan_flags &= ~SF_SCANNING; spin_unlock_irqrestore(&vha->work_lock, flags); + + if ((fc4type == FC4_TYPE_FCP_SCSI) && vha->flags.nvme_enabled) + qla24xx_async_gpnft(vha, FC4_TYPE_NVME); } static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index aececf66..8d7fab3 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -59,8 +59,6 @@ qla2x00_sp_timeout(struct timer_list *t) req->outstanding_cmds[sp->handle] = NULL; iocb = &sp->u.iocb_cmd; iocb->timeout(sp); - if (sp->type != SRB_ELS_DCMD) - sp->free(sp); spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); } @@ -102,7 +100,6 @@ qla2x00_async_iocb_timeout(void *data) srb_t *sp = data; fc_port_t *fcport = sp->fcport; struct srb_iocb *lio = &sp->u.iocb_cmd; - struct event_arg ea; if (fcport) { ql_dbg(ql_dbg_disc, fcport->vha, 0x2071, @@ -117,25 +114,13 @@ qla2x00_async_iocb_timeout(void *data) switch (sp->type) { case SRB_LOGIN_CMD: - if (!fcport) - break; /* Retry as needed. */ lio->u.logio.data[0] = MBS_COMMAND_ERROR; lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? QLA_LOGIO_LOGIN_RETRIED : 0; - memset(&ea, 0, sizeof(ea)); - ea.event = FCME_PLOGI_DONE; - ea.fcport = sp->fcport; - ea.data[0] = lio->u.logio.data[0]; - ea.data[1] = lio->u.logio.data[1]; - ea.sp = sp; - qla24xx_handle_plogi_done_event(fcport->vha, &ea); + sp->done(sp, QLA_FUNCTION_TIMEOUT); break; case SRB_LOGOUT_CMD: - if (!fcport) - break; - qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT); - break; case SRB_CT_PTHRU_CMD: case SRB_MB_IOCB: case SRB_NACK_PLOGI: @@ -228,6 +213,7 @@ done_free_sp: sp->free(sp); fcport->flags &= ~FCF_ASYNC_SENT; done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } @@ -235,12 +221,10 @@ static void qla2x00_async_logout_sp_done(void *ptr, int res) { srb_t *sp = ptr; - struct srb_iocb *lio = &sp->u.iocb_cmd; sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); - if (!test_bit(UNLOADING, &sp->vha->dpc_flags)) - qla2x00_post_async_logout_done_work(sp->vha, sp->fcport, - lio->u.logio.data); + sp->fcport->login_gen++; + qlt_logo_completion_handler(sp->fcport, res); sp->free(sp); } @@ -280,7 +264,7 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) done_free_sp: sp->free(sp); done: - fcport->flags &= ~FCF_ASYNC_SENT; + fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); return rval; } @@ -288,6 +272,7 @@ void qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { + fcport->flags &= ~FCF_ASYNC_ACTIVE; /* Don't re-login in target mode */ if (!fcport->tgt_session) qla2x00_mark_device_lost(vha, fcport, 1, 0); @@ -301,6 +286,7 @@ qla2x00_async_prlo_sp_done(void *s, int res) struct srb_iocb *lio = &sp->u.iocb_cmd; struct scsi_qla_host *vha = sp->vha; + sp->fcport->flags &= ~FCF_ASYNC_ACTIVE; if (!test_bit(UNLOADING, &vha->dpc_flags)) qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport, lio->u.logio.data); @@ -339,6 +325,7 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) done_free_sp: sp->free(sp); done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } @@ -392,6 +379,8 @@ qla2x00_async_adisc_sp_done(void *ptr, int res) "Async done-%s res %x %8phC\n", sp->name, res, sp->fcport->port_name); + sp->fcport->flags &= ~FCF_ASYNC_SENT; + memset(&ea, 0, sizeof(ea)); ea.event = FCME_ADISC_DONE; ea.rc = res; @@ -442,7 +431,7 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, done_free_sp: sp->free(sp); done: - fcport->flags &= ~FCF_ASYNC_SENT; + fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); qla2x00_post_async_adisc_work(vha, fcport, data); return rval; } @@ -660,8 +649,7 @@ qla24xx_async_gnl_sp_done(void *s, int res) (loop_id & 0x7fff)); } - spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); - vha->gnl.sent = 0; + spin_lock_irqsave(&vha->gnl.fcports_lock, flags); INIT_LIST_HEAD(&h); fcport = tf = NULL; @@ -670,12 +658,16 @@ qla24xx_async_gnl_sp_done(void *s, int res) list_for_each_entry_safe(fcport, tf, &h, gnl_entry) { list_del_init(&fcport->gnl_entry); + spin_lock(&vha->hw->tgt.sess_lock); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); + spin_unlock(&vha->hw->tgt.sess_lock); ea.fcport = fcport; qla2x00_fcport_event_handler(vha, &ea); } + spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags); + spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); /* create new fcport if fw has knowledge of new sessions */ for (i = 0; i < n; i++) { port_id_t id; @@ -727,18 +719,21 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) ql_dbg(ql_dbg_disc, vha, 0x20d9, "Async-gnlist WWPN %8phC \n", fcport->port_name); - spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); + spin_lock_irqsave(&vha->gnl.fcports_lock, flags); + if (!list_empty(&fcport->gnl_entry)) { + spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags); + rval = QLA_SUCCESS; + goto done; + } + + spin_lock(&vha->hw->tgt.sess_lock); fcport->disc_state = DSC_GNL; fcport->last_rscn_gen = fcport->rscn_gen; fcport->last_login_gen = fcport->login_gen; + spin_unlock(&vha->hw->tgt.sess_lock); list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports); - if (vha->gnl.sent) { - spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); - return QLA_SUCCESS; - } - vha->gnl.sent = 1; - spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + spin_unlock_irqrestore(&vha->gnl.fcports_lock, flags); sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) @@ -1066,6 +1061,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) fc_port_t *fcport = ea->fcport; struct port_database_24xx *pd; struct srb *sp = ea->sp; + uint8_t ls; pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in; @@ -1078,7 +1074,12 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) if (fcport->disc_state == DSC_DELETE_PEND) return; - switch (pd->current_login_state) { + if (fcport->fc4f_nvme) + ls = pd->current_login_state >> 4; + else + ls = pd->current_login_state & 0xf; + + switch (ls) { case PDS_PRLI_COMPLETE: __qla24xx_parse_gpdb(vha, fcport, pd); break; @@ -1168,8 +1169,9 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) if (fcport->scan_state != QLA_FCPORT_FOUND) return 0; - if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || - (fcport->fw_login_state == DSC_LS_PRLI_PEND)) + if ((fcport->loop_id != FC_NO_LOOP_ID) && + ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || + (fcport->fw_login_state == DSC_LS_PRLI_PEND))) return 0; if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { @@ -1544,6 +1546,7 @@ qla24xx_abort_sp_done(void *ptr, int res) srb_t *sp = ptr; struct srb_iocb *abt = &sp->u.iocb_cmd; + del_timer(&sp->u.iocb_cmd.timer); complete(&abt->u.abt.comp); } @@ -1716,7 +1719,6 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); - ea->fcport->loop_id = FC_NO_LOOP_ID; ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; ea->fcport->logout_on_delete = 1; ea->fcport->send_els_logo = 0; @@ -1808,6 +1810,7 @@ qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport, qla2x00_mark_device_lost(vha, fcport, 1, 0); qlt_logo_completion_handler(fcport, data[0]); fcport->login_gen++; + fcport->flags &= ~FCF_ASYNC_ACTIVE; return; } @@ -1815,6 +1818,7 @@ void qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { + fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); if (data[0] == MBS_COMMAND_COMPLETE) { qla2x00_update_fcport(vha, fcport); @@ -1822,7 +1826,6 @@ qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport, } /* Retry login. */ - fcport->flags &= ~FCF_ASYNC_SENT; if (data[1] & QLA_LOGIO_LOGIN_RETRIED) set_bit(RELOGIN_NEEDED, &vha->dpc_flags); else diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 1b62e94..8d00d55 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -3275,12 +3275,11 @@ qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb) memset(abt_iocb, 0, sizeof(struct abort_entry_24xx)); abt_iocb->entry_type = ABORT_IOCB_TYPE; abt_iocb->entry_count = 1; - abt_iocb->handle = - cpu_to_le32(MAKE_HANDLE(aio->u.abt.req_que_no, - aio->u.abt.cmd_hndl)); + abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle)); abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id); abt_iocb->handle_to_abort = - cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl)); + cpu_to_le32(MAKE_HANDLE(aio->u.abt.req_que_no, + aio->u.abt.cmd_hndl)); abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; abt_iocb->port_id[1] = sp->fcport->d_id.b.area; abt_iocb->port_id[2] = sp->fcport->d_id.b.domain; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 14109d8..89f93eb 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -272,7 +272,8 @@ qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; /* Read all mbox registers? */ - mboxes = (1 << ha->mbx_count) - 1; + WARN_ON_ONCE(ha->mbx_count > 32); + mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); else @@ -2880,7 +2881,8 @@ qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; /* Read all mbox registers? */ - mboxes = (1 << ha->mbx_count) - 1; + WARN_ON_ONCE(ha->mbx_count > 32); + mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); else diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 12ee6e0..5c5dcca4 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -454,7 +454,7 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req, ha->req_q_map[0] = req; set_bit(0, ha->rsp_qid_map); set_bit(0, ha->req_qid_map); - return 1; + return 0; fail_qpair_map: kfree(ha->base_qpair); @@ -471,6 +471,9 @@ fail_req_map: static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) { + if (!ha->req_q_map) + return; + if (IS_QLAFX00(ha)) { if (req && req->ring_fx00) dma_free_coherent(&ha->pdev->dev, @@ -481,14 +484,17 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) (req->length + 1) * sizeof(request_t), req->ring, req->dma); - if (req) + if (req) { kfree(req->outstanding_cmds); - - kfree(req); + kfree(req); + } } static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) { + if (!ha->rsp_q_map) + return; + if (IS_QLAFX00(ha)) { if (rsp && rsp->ring) dma_free_coherent(&ha->pdev->dev, @@ -499,7 +505,8 @@ static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) (rsp->length + 1) * sizeof(response_t), rsp->ring, rsp->dma); } - kfree(rsp); + if (rsp) + kfree(rsp); } static void qla2x00_free_queues(struct qla_hw_data *ha) @@ -1723,6 +1730,8 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res) struct qla_tgt_cmd *cmd; uint8_t trace = 0; + if (!ha->req_q_map) + return; spin_lock_irqsave(qp->qp_lock_ptr, flags); req = qp->req; for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { @@ -3095,14 +3104,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Set up the irqs */ ret = qla2x00_request_irqs(ha, rsp); if (ret) - goto probe_hw_failed; + goto probe_failed; /* Alloc arrays of request and response ring ptrs */ - if (!qla2x00_alloc_queues(ha, req, rsp)) { + if (qla2x00_alloc_queues(ha, req, rsp)) { ql_log(ql_log_fatal, base_vha, 0x003d, "Failed to allocate memory for queue pointers..." "aborting.\n"); - goto probe_init_failed; + goto probe_failed; } if (ha->mqenable && shost_use_blk_mq(host)) { @@ -3387,15 +3396,6 @@ skip_dpc: return 0; -probe_init_failed: - qla2x00_free_req_que(ha, req); - ha->req_q_map[0] = NULL; - clear_bit(0, ha->req_qid_map); - qla2x00_free_rsp_que(ha, rsp); - ha->rsp_q_map[0] = NULL; - clear_bit(0, ha->rsp_qid_map); - ha->max_req_queues = ha->max_rsp_queues = 0; - probe_failed: if (base_vha->timer_active) qla2x00_stop_timer(base_vha); @@ -3625,6 +3625,8 @@ qla2x00_remove_one(struct pci_dev *pdev) } qla2x00_wait_for_hba_ready(base_vha); + qla2x00_wait_for_sess_deletion(base_vha); + /* * if UNLOAD flag is already set, then continue unload, * where it was set first. @@ -4506,11 +4508,17 @@ qla2x00_mem_free(struct qla_hw_data *ha) if (ha->init_cb) dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, ha->init_cb_dma); - vfree(ha->optrom_buffer); - kfree(ha->nvram); - kfree(ha->npiv_info); - kfree(ha->swl); - kfree(ha->loop_id_map); + + if (ha->optrom_buffer) + vfree(ha->optrom_buffer); + if (ha->nvram) + kfree(ha->nvram); + if (ha->npiv_info) + kfree(ha->npiv_info); + if (ha->swl) + kfree(ha->swl); + if (ha->loop_id_map) + kfree(ha->loop_id_map); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; @@ -4526,6 +4534,15 @@ qla2x00_mem_free(struct qla_hw_data *ha) ha->ex_init_cb_dma = 0; ha->async_pd = NULL; ha->async_pd_dma = 0; + ha->loop_id_map = NULL; + ha->npiv_info = NULL; + ha->optrom_buffer = NULL; + ha->swl = NULL; + ha->nvram = NULL; + ha->mctp_dump = NULL; + ha->dcbx_tlv = NULL; + ha->xgmac_data = NULL; + ha->sfp_data = NULL; ha->s_dma_pool = NULL; ha->dl_dma_pool = NULL; @@ -4575,6 +4592,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, spin_lock_init(&vha->work_lock); spin_lock_init(&vha->cmd_list_lock); + spin_lock_init(&vha->gnl.fcports_lock); init_waitqueue_head(&vha->fcport_waitQ); init_waitqueue_head(&vha->vref_waitq); @@ -4804,9 +4822,12 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) fcport->d_id = e->u.new_sess.id; fcport->flags |= FCF_FABRIC_DEVICE; fcport->fw_login_state = DSC_LS_PLOGI_PEND; - if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI) + if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI) { fcport->fc4_type = FC4_TYPE_FCP_SCSI; - + } else if (e->u.new_sess.fc4_type == FC4_TYPE_NVME) { + fcport->fc4_type = FC4_TYPE_OTHER; + fcport->fc4f_nvme = FC4_TYPE_NVME; + } memcpy(fcport->port_name, e->u.new_sess.port_name, WWN_SIZE); } else { @@ -4875,6 +4896,8 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) } qlt_plogi_ack_unref(vha, pla); } else { + fc_port_t *dfcp = NULL; + spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); tfcp = qla2x00_find_fcport_by_nportid(vha, &e->u.new_sess.id, 1); @@ -4897,11 +4920,13 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) default: fcport->login_pause = 1; tfcp->conflict = fcport; - qlt_schedule_sess_for_deletion(tfcp); + dfcp = tfcp; break; } } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + if (dfcp) + qlt_schedule_sess_for_deletion(tfcp); wwn = wwn_to_u64(fcport->node_name); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index fc89af8..b49ac85 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1224,10 +1224,10 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess) } } -/* ha->tgt.sess_lock supposed to be held on entry */ void qlt_schedule_sess_for_deletion(struct fc_port *sess) { struct qla_tgt *tgt = sess->tgt; + struct qla_hw_data *ha = sess->vha->hw; unsigned long flags; if (sess->disc_state == DSC_DELETE_PEND) @@ -1244,16 +1244,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess) return; } + spin_lock_irqsave(&ha->tgt.sess_lock, flags); if (sess->deleted == QLA_SESS_DELETED) sess->logout_on_delete = 0; - spin_lock_irqsave(&sess->vha->work_lock, flags); if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { - spin_unlock_irqrestore(&sess->vha->work_lock, flags); + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); return; } sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; - spin_unlock_irqrestore(&sess->vha->work_lock, flags); + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); sess->disc_state = DSC_DELETE_PEND; @@ -1262,13 +1262,10 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess) ql_dbg(ql_dbg_tgt, sess->vha, 0xe001, "Scheduling sess %p for deletion\n", sess); - /* use cancel to push work element through before re-queue */ - cancel_work_sync(&sess->del_work); INIT_WORK(&sess->del_work, qla24xx_delete_sess_fn); - queue_work(sess->vha->hw->wq, &sess->del_work); + WARN_ON(!queue_work(sess->vha->hw->wq, &sess->del_work)); } -/* ha->tgt.sess_lock supposed to be held on entry */ static void qlt_clear_tgt_db(struct qla_tgt *tgt) { struct fc_port *sess; @@ -1451,8 +1448,8 @@ qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen) ql_dbg(ql_dbg_tgt_mgt, vha, 0xf008, "qla_tgt_fc_port_deleted %p", sess); sess->local = 1; - qlt_schedule_sess_for_deletion(sess); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + qlt_schedule_sess_for_deletion(sess); } static inline int test_tgt_sess_count(struct qla_tgt *tgt) @@ -1512,10 +1509,8 @@ int qlt_stop_phase1(struct qla_tgt *tgt) * Lock is needed, because we still can get an incoming packet. */ mutex_lock(&vha->vha_tgt.tgt_mutex); - spin_lock_irqsave(&ha->tgt.sess_lock, flags); tgt->tgt_stop = 1; qlt_clear_tgt_db(tgt); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); mutex_unlock(&vha->vha_tgt.tgt_mutex); mutex_unlock(&qla_tgt_mutex); @@ -4871,8 +4866,6 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, sess); qlt_send_term_imm_notif(vha, iocb, 1); res = 0; - spin_lock_irqsave(&tgt->ha->tgt.sess_lock, - flags); break; } diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index fc23371..817f312 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -168,6 +168,8 @@ #define DEV_DB_NON_PERSISTENT 0 #define DEV_DB_PERSISTENT 1 +#define QL4_ISP_REG_DISCONNECT 0xffffffffU + #define COPY_ISID(dst_isid, src_isid) { \ int i, j; \ for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \ diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 82e889b..fc2c97d 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -262,6 +262,24 @@ static struct iscsi_transport qla4xxx_iscsi_transport = { static struct scsi_transport_template *qla4xxx_scsi_transport; +static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) +{ + u32 reg_val = 0; + int rval = QLA_SUCCESS; + + if (is_qla8022(ha)) + reg_val = readl(&ha->qla4_82xx_reg->host_status); + else if (is_qla8032(ha) || is_qla8042(ha)) + reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); + else + reg_val = readw(&ha->reg->ctrl_status); + + if (reg_val == QL4_ISP_REG_DISCONNECT) + rval = QLA_ERROR; + + return rval; +} + static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, uint32_t iface_type, uint32_t payload_size, uint32_t pid, struct sockaddr *dst_addr) @@ -9186,10 +9204,17 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) struct srb *srb = NULL; int ret = SUCCESS; int wait = 0; + int rval; ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", ha->host_no, id, lun, cmd, cmd->cmnd[0]); + rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + spin_lock_irqsave(&ha->hardware_lock, flags); srb = (struct srb *) CMD_SP(cmd); if (!srb) { @@ -9241,6 +9266,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) struct scsi_qla_host *ha = to_qla_host(cmd->device->host); struct ddb_entry *ddb_entry = cmd->device->hostdata; int ret = FAILED, stat; + int rval; if (!ddb_entry) return ret; @@ -9260,6 +9286,12 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed)); + rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + /* FIXME: wait for hba to go online */ stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); if (stat != QLA_SUCCESS) { @@ -9303,6 +9335,7 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) struct scsi_qla_host *ha = to_qla_host(cmd->device->host); struct ddb_entry *ddb_entry = cmd->device->hostdata; int stat, ret; + int rval; if (!ddb_entry) return FAILED; @@ -9320,6 +9353,12 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed)); + rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + stat = qla4xxx_reset_target(ha, ddb_entry); if (stat != QLA_SUCCESS) { starget_printk(KERN_INFO, scsi_target(cmd->device), @@ -9374,9 +9413,16 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) { int return_status = FAILED; struct scsi_qla_host *ha; + int rval; ha = to_qla_host(cmd->device->host); + rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) qla4_83xx_set_idc_dontreset(ha); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index d042915..ca53a5f 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -223,7 +223,8 @@ static void scsi_eh_reset(struct scsi_cmnd *scmd) static void scsi_eh_inc_host_failed(struct rcu_head *head) { - struct Scsi_Host *shost = container_of(head, typeof(*shost), rcu); + struct scsi_cmnd *scmd = container_of(head, typeof(*scmd), rcu); + struct Scsi_Host *shost = scmd->device->host; unsigned long flags; spin_lock_irqsave(shost->host_lock, flags); @@ -259,7 +260,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd) * Ensure that all tasks observe the host state change before the * host_failed change. */ - call_rcu(&shost->rcu, scsi_eh_inc_host_failed); + call_rcu(&scmd->rcu, scsi_eh_inc_host_failed); } /** diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index a86df9c..c84f931 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -671,6 +671,7 @@ static bool scsi_end_request(struct request *req, blk_status_t error, if (!blk_rq_is_scsi(req)) { WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED)); cmd->flags &= ~SCMD_INITIALIZED; + destroy_rcu_head(&cmd->rcu); } if (req->mq_ctx) { @@ -720,6 +721,8 @@ static blk_status_t __scsi_error_from_host_byte(struct scsi_cmnd *cmd, int result) { switch (host_byte(result)) { + case DID_OK: + return BLK_STS_OK; case DID_TRANSPORT_FAILFAST: return BLK_STS_TRANSPORT; case DID_TARGET_FAILURE: @@ -1151,6 +1154,7 @@ static void scsi_initialize_rq(struct request *rq) struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); scsi_req_init(&cmd->req); + init_rcu_head(&cmd->rcu); cmd->jiffies_at_alloc = jiffies; cmd->retries = 0; } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index bff21e6..3541caf 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2595,6 +2595,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) int res; struct scsi_device *sdp = sdkp->device; struct scsi_mode_data data; + int disk_ro = get_disk_ro(sdkp->disk); int old_wp = sdkp->write_prot; set_disk_ro(sdkp->disk, 0); @@ -2635,7 +2636,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) "Test WP failed, assume Write Enabled\n"); } else { sdkp->write_prot = ((data.device_specific & 0x80) != 0); - set_disk_ro(sdkp->disk, sdkp->write_prot); + set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro); if (sdkp->first_scan || old_wp != sdkp->write_prot) { sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n", sdkp->write_prot ? "on" : "off"); diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 6c348a2..89cf449 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -403,7 +403,7 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf) */ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) { - u64 zone_blocks; + u64 zone_blocks = 0; sector_t block = 0; unsigned char *buf; unsigned char *rec; @@ -421,10 +421,8 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) /* Do a report zone to get the same field */ ret = sd_zbc_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, 0); - if (ret) { - zone_blocks = 0; - goto out; - } + if (ret) + goto out_free; same = buf[4] & 0x0f; if (same > 0) { @@ -464,7 +462,7 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) ret = sd_zbc_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, block); if (ret) - return ret; + goto out_free; } } while (block < sdkp->capacity); @@ -472,35 +470,32 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) zone_blocks = sdkp->zone_blocks; out: - kfree(buf); - if (!zone_blocks) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Devices with non constant zone " "size are not supported\n"); - return -ENODEV; - } - - if (!is_power_of_2(zone_blocks)) { + ret = -ENODEV; + } else if (!is_power_of_2(zone_blocks)) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Devices with non power of 2 zone " "size are not supported\n"); - return -ENODEV; - } - - if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) { + ret = -ENODEV; + } else if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Zone size too large\n"); - return -ENODEV; + ret = -ENODEV; + } else { + sdkp->zone_blocks = zone_blocks; + sdkp->zone_shift = ilog2(zone_blocks); } - sdkp->zone_blocks = zone_blocks; - sdkp->zone_shift = ilog2(zone_blocks); +out_free: + kfree(buf); - return 0; + return ret; } /** diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 40fc7a5..8c51d62 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1311,7 +1311,8 @@ static int storvsc_do_io(struct hv_device *device, */ cpumask_and(&alloced_mask, &stor_device->alloced_cpus, cpumask_of_node(cpu_to_node(q_num))); - for_each_cpu(tgt_cpu, &alloced_mask) { + for_each_cpu_wrap(tgt_cpu, &alloced_mask, + outgoing_channel->target_cpu + 1) { if (tgt_cpu != outgoing_channel->target_cpu) { outgoing_channel = stor_device->stor_chns[tgt_cpu]; @@ -1657,7 +1658,7 @@ static struct scsi_host_template scsi_driver = { .eh_timed_out = storvsc_eh_timed_out, .slave_alloc = storvsc_device_alloc, .slave_configure = storvsc_device_configure, - .cmd_per_lun = 255, + .cmd_per_lun = 2048, .this_id = -1, .use_clustering = ENABLE_CLUSTERING, /* Make sure we dont get a sg segment crosses a page boundary */ diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index ca360da..378af30 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -536,7 +536,7 @@ sym_getsync(struct sym_hcb *np, u_char dt, u_char sfac, u_char *divp, u_char *fa * Look for the greatest clock divisor that allows an * input speed faster than the period. */ - while (div-- > 0) + while (--div > 0) if (kpc >= (div_10M[div] << 2)) break; /* diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index a355d98..c7da2c1 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4352,6 +4352,8 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev) /* REPORT SUPPORTED OPERATION CODES is not supported */ sdev->no_report_opcodes = 1; + /* WRITE_SAME command is not supported */ + sdev->no_write_same = 1; ufshcd_set_queue_depth(sdev); diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index e4f5bb0..ba3cfa8 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -2443,39 +2443,21 @@ struct cgr_comp { struct completion completion; }; -static int qman_delete_cgr_thread(void *p) +static void qman_delete_cgr_smp_call(void *p) { - struct cgr_comp *cgr_comp = (struct cgr_comp *)p; - int ret; - - ret = qman_delete_cgr(cgr_comp->cgr); - complete(&cgr_comp->completion); - - return ret; + qman_delete_cgr((struct qman_cgr *)p); } void qman_delete_cgr_safe(struct qman_cgr *cgr) { - struct task_struct *thread; - struct cgr_comp cgr_comp; - preempt_disable(); if (qman_cgr_cpus[cgr->cgrid] != smp_processor_id()) { - init_completion(&cgr_comp.completion); - cgr_comp.cgr = cgr; - thread = kthread_create(qman_delete_cgr_thread, &cgr_comp, - "cgr_del"); - - if (IS_ERR(thread)) - goto out; - - kthread_bind(thread, qman_cgr_cpus[cgr->cgrid]); - wake_up_process(thread); - wait_for_completion(&cgr_comp.completion); + smp_call_function_single(qman_cgr_cpus[cgr->cgrid], + qman_delete_cgr_smp_call, cgr, true); preempt_enable(); return; } -out: + qman_delete_cgr(cgr); preempt_enable(); } diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c index 53f7275..750f931 100644 --- a/drivers/soc/imx/gpc.c +++ b/drivers/soc/imx/gpc.c @@ -348,7 +348,7 @@ static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap, if (i == 1) { domain->supply = devm_regulator_get(dev, "pu"); if (IS_ERR(domain->supply)) - return PTR_ERR(domain->supply);; + return PTR_ERR(domain->supply); ret = imx_pgc_get_clocks(dev, domain); if (ret) @@ -470,13 +470,21 @@ static int imx_gpc_probe(struct platform_device *pdev) static int imx_gpc_remove(struct platform_device *pdev) { + struct device_node *pgc_node; int ret; + pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc"); + + /* bail out if DT too old and doesn't provide the necessary info */ + if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") && + !pgc_node) + return 0; + /* * If the old DT binding is used the toplevel driver needs to * de-register the power domains */ - if (!of_get_child_by_name(pdev->dev.of_node, "pgc")) { + if (!pgc_node) { of_genpd_del_provider(pdev->dev.of_node); ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base); diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index bbdc53b..86580b6 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -326,24 +326,23 @@ static loff_t ashmem_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&ashmem_mutex); if (asma->size == 0) { - ret = -EINVAL; - goto out; + mutex_unlock(&ashmem_mutex); + return -EINVAL; } if (!asma->file) { - ret = -EBADF; - goto out; + mutex_unlock(&ashmem_mutex); + return -EBADF; } + mutex_unlock(&ashmem_mutex); + ret = vfs_llseek(asma->file, offset, origin); if (ret < 0) - goto out; + return ret; /** Copy f_pos from backing file, since f_ops->llseek() sets it */ file->f_pos = asma->file->f_pos; - -out: - mutex_unlock(&ashmem_mutex); return ret; } @@ -702,30 +701,30 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd, size_t pgstart, pgend; int ret = -EINVAL; - if (unlikely(!asma->file)) - return -EINVAL; - if (unlikely(copy_from_user(&pin, p, sizeof(pin)))) return -EFAULT; + mutex_lock(&ashmem_mutex); + + if (unlikely(!asma->file)) + goto out_unlock; + /* per custom, you can pass zero for len to mean "everything onward" */ if (!pin.len) pin.len = PAGE_ALIGN(asma->size) - pin.offset; if (unlikely((pin.offset | pin.len) & ~PAGE_MASK)) - return -EINVAL; + goto out_unlock; if (unlikely(((__u32)-1) - pin.offset < pin.len)) - return -EINVAL; + goto out_unlock; if (unlikely(PAGE_ALIGN(asma->size) < pin.offset + pin.len)) - return -EINVAL; + goto out_unlock; pgstart = pin.offset / PAGE_SIZE; pgend = pgstart + (pin.len / PAGE_SIZE) - 1; - mutex_lock(&ashmem_mutex); - switch (cmd) { case ASHMEM_PIN: ret = ashmem_pin(asma, pgstart, pgend); @@ -738,6 +737,7 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd, break; } +out_unlock: mutex_unlock(&ashmem_mutex); return ret; diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/ion_cma_heap.c index 94e0692..49718c9 100644 --- a/drivers/staging/android/ion/ion_cma_heap.c +++ b/drivers/staging/android/ion/ion_cma_heap.c @@ -12,6 +12,7 @@ #include <linux/err.h> #include <linux/cma.h> #include <linux/scatterlist.h> +#include <linux/highmem.h> #include "ion.h" @@ -42,6 +43,22 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer, if (!pages) return -ENOMEM; + if (PageHighMem(pages)) { + unsigned long nr_clear_pages = nr_pages; + struct page *page = pages; + + while (nr_clear_pages > 0) { + void *vaddr = kmap_atomic(page); + + memset(vaddr, 0, PAGE_SIZE); + kunmap_atomic(vaddr); + page++; + nr_clear_pages--; + } + } else { + memset(page_address(pages), 0, size); + } + table = kmalloc(sizeof(*table), GFP_KERNEL); if (!table) goto err; diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index e618a87..9d73347 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -475,8 +475,7 @@ unsigned int comedi_nsamples_left(struct comedi_subdevice *s, struct comedi_cmd *cmd = &async->cmd; if (cmd->stop_src == TRIG_COUNT) { - unsigned int nscans = nsamples / cmd->scan_end_arg; - unsigned int scans_left = __comedi_nscans_left(s, nscans); + unsigned int scans_left = __comedi_nscans_left(s, cmd->stop_arg); unsigned int scan_pos = comedi_bytes_to_samples(s, async->scan_progress); unsigned long long samples_left = 0; diff --git a/drivers/staging/fsl-mc/bus/Kconfig b/drivers/staging/fsl-mc/bus/Kconfig index 1f910004..b35ef7e 100644 --- a/drivers/staging/fsl-mc/bus/Kconfig +++ b/drivers/staging/fsl-mc/bus/Kconfig @@ -7,7 +7,7 @@ config FSL_MC_BUS bool "QorIQ DPAA2 fsl-mc bus driver" - depends on OF && (ARCH_LAYERSCAPE || (COMPILE_TEST && (ARM || ARM64 || X86 || PPC))) + depends on OF && (ARCH_LAYERSCAPE || (COMPILE_TEST && (ARM || ARM64 || X86_LOCAL_APIC || PPC))) select GENERIC_MSI_IRQ_DOMAIN help Driver to enable the bus infrastructure for the QorIQ DPAA2 diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c index 5064d5d..fc2013aa 100644 --- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c @@ -73,6 +73,8 @@ static int __init its_fsl_mc_msi_init(void) for (np = of_find_matching_node(NULL, its_device_id); np; np = of_find_matching_node(np, its_device_id)) { + if (!of_device_is_available(np)) + continue; if (!of_property_read_bool(np, "msi-controller")) continue; diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index f015955..425e8b8 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -141,6 +141,8 @@ #define AD7192_GPOCON_P1DAT BIT(1) /* P1 state */ #define AD7192_GPOCON_P0DAT BIT(0) /* P0 state */ +#define AD7192_EXT_FREQ_MHZ_MIN 2457600 +#define AD7192_EXT_FREQ_MHZ_MAX 5120000 #define AD7192_INT_FREQ_MHZ 4915200 /* NOTE: @@ -218,6 +220,12 @@ static int ad7192_calibrate_all(struct ad7192_state *st) ARRAY_SIZE(ad7192_calib_arr)); } +static inline bool ad7192_valid_external_frequency(u32 freq) +{ + return (freq >= AD7192_EXT_FREQ_MHZ_MIN && + freq <= AD7192_EXT_FREQ_MHZ_MAX); +} + static int ad7192_setup(struct ad7192_state *st, const struct ad7192_platform_data *pdata) { @@ -243,17 +251,20 @@ static int ad7192_setup(struct ad7192_state *st, id); switch (pdata->clock_source_sel) { - case AD7192_CLK_EXT_MCLK1_2: - case AD7192_CLK_EXT_MCLK2: - st->mclk = AD7192_INT_FREQ_MHZ; - break; case AD7192_CLK_INT: case AD7192_CLK_INT_CO: - if (pdata->ext_clk_hz) - st->mclk = pdata->ext_clk_hz; - else - st->mclk = AD7192_INT_FREQ_MHZ; + st->mclk = AD7192_INT_FREQ_MHZ; break; + case AD7192_CLK_EXT_MCLK1_2: + case AD7192_CLK_EXT_MCLK2: + if (ad7192_valid_external_frequency(pdata->ext_clk_hz)) { + st->mclk = pdata->ext_clk_hz; + break; + } + dev_err(&st->sd.spi->dev, "Invalid frequency setting %u\n", + pdata->ext_clk_hz); + ret = -EINVAL; + goto out; default: ret = -EINVAL; goto out; diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 2b28fb9..3bcf494 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -648,8 +648,6 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev) /* Ring buffer functions - here trigger setup related */ indio_dev->setup_ops = &ad5933_ring_setup_ops; - indio_dev->modes |= INDIO_BUFFER_HARDWARE; - return 0; } @@ -762,7 +760,7 @@ static int ad5933_probe(struct i2c_client *client, indio_dev->dev.parent = &client->dev; indio_dev->info = &ad5933_info; indio_dev->name = id->name; - indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->modes = (INDIO_BUFFER_SOFTWARE | INDIO_DIRECT_MODE); indio_dev->channels = ad5933_channels; indio_dev->num_channels = ARRAY_SIZE(ad5933_channels); diff --git a/drivers/staging/ncpfs/ncplib_kernel.c b/drivers/staging/ncpfs/ncplib_kernel.c index 804adfe..3e047eb 100644 --- a/drivers/staging/ncpfs/ncplib_kernel.c +++ b/drivers/staging/ncpfs/ncplib_kernel.c @@ -981,6 +981,10 @@ ncp_read_kernel(struct ncp_server *server, const char *file_id, goto out; } *bytes_read = ncp_reply_be16(server, 0); + if (*bytes_read > to_read) { + result = -EINVAL; + goto out; + } source = ncp_reply_data(server, 2 + (offset & 1)); memcpy(target, source, *bytes_read); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 5c0e59e..cbe98bc 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2180,6 +2180,12 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, } if (tty_hung_up_p(file)) break; + /* + * Abort readers for ttys which never actually + * get hung up. See __tty_hangup(). + */ + if (test_bit(TTY_HUPPING, &tty->flags)) + break; if (!timeout) break; if (file->f_flags & O_NONBLOCK) { diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 54adf8d..a93f77a 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -3387,11 +3387,9 @@ static int serial_pci_is_class_communication(struct pci_dev *dev) /* * If it is not a communications device or the programming * interface is greater than 6, give up. - * - * (Should we try to make guesses for multiport serial devices - * later?) */ if ((((dev->class >> 8) != PCI_CLASS_COMMUNICATION_SERIAL) && + ((dev->class >> 8) != PCI_CLASS_COMMUNICATION_MULTISERIAL) && ((dev->class >> 8) != PCI_CLASS_COMMUNICATION_MODEM)) || (dev->class & 0xff) > 6) return -ENODEV; @@ -3428,6 +3426,12 @@ serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board) { int num_iomem, num_port, first_port = -1, i; + /* + * Should we try to make guesses for multiport serial devices later? + */ + if ((dev->class >> 8) == PCI_CLASS_COMMUNICATION_MULTISERIAL) + return -ENODEV; + num_iomem = num_port = 0; for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) { if (pci_resource_flags(dev, i) & IORESOURCE_IO) { @@ -4699,6 +4703,17 @@ static const struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0dc0 */ pbn_b2_4_115200 }, /* + * BrainBoxes UC-260 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0D21, + PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00, + pbn_b2_4_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0E34, + PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00, + pbn_b2_4_115200 }, + /* * Perle PCI-RAS cards */ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index df46a9e..e287fe8 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1734,6 +1734,7 @@ static void atmel_get_ip_name(struct uart_port *port) switch (version) { case 0x302: case 0x10213: + case 0x10302: dev_dbg(port->dev, "This version is usart\n"); atmel_port->has_frac_baudrate = true; atmel_port->has_hw_timer = true; diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index 870e84f..a242783 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -245,11 +245,12 @@ int __init of_setup_earlycon(const struct earlycon_id *match, } port->mapbase = addr; port->uartclk = BASE_BAUD * 16; - port->membase = earlycon_map(port->mapbase, SZ_4K); val = of_get_flat_dt_prop(node, "reg-offset", NULL); if (val) port->mapbase += be32_to_cpu(*val); + port->membase = earlycon_map(port->mapbase, SZ_4K); + val = of_get_flat_dt_prop(node, "reg-shift", NULL); if (val) port->regshift = be32_to_cpu(*val); diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 1d7ca38..a33c685 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2093,7 +2093,7 @@ static int serial_imx_probe(struct platform_device *pdev) uart_get_rs485_mode(&pdev->dev, &sport->port.rs485); if (sport->port.rs485.flags & SER_RS485_ENABLED && - (!sport->have_rtscts || !sport->have_rtsgpio)) + (!sport->have_rtscts && !sport->have_rtsgpio)) dev_err(&pdev->dev, "no RTS control, disabling rs485\n"); imx_rs485_config(&sport->port, &sport->port.rs485); diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index c8dde56..35b9201 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1144,6 +1144,8 @@ static int uart_do_autoconfig(struct tty_struct *tty,struct uart_state *state) uport->ops->config_port(uport, flags); ret = uart_startup(tty, state, 1); + if (ret == 0) + tty_port_set_initialized(port, true); if (ret > 0) ret = 0; } diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 7257c07..44adf9d 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -885,6 +885,8 @@ static void sci_receive_chars(struct uart_port *port) /* Tell the rest of the system the news. New characters! */ tty_flip_buffer_push(tport); } else { + /* TTY buffers full; read from RX reg to prevent lockup */ + serial_port_in(port, SCxRDR); serial_port_in(port, SCxSR); /* dummy read */ sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port)); } diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index eb9133b..63114ea 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -586,6 +586,14 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session) return; } + /* + * Some console devices aren't actually hung up for technical and + * historical reasons, which can lead to indefinite interruptible + * sleep in n_tty_read(). The following explicitly tells + * n_tty_read() to abort readers. + */ + set_bit(TTY_HUPPING, &tty->flags); + /* inuse_filps is protected by the single tty lock, this really needs to change if we want to flush the workqueue with the lock held */ @@ -640,6 +648,7 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session) * from the ldisc side, which is now guaranteed. */ set_bit(TTY_HUPPED, &tty->flags); + clear_bit(TTY_HUPPING, &tty->flags); tty_unlock(tty); if (f) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 88b902c..b4e57c5 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1727,7 +1727,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear) default_attr(vc); update_attr(vc); - vc->vc_tab_stop[0] = 0x01010100; + vc->vc_tab_stop[0] = vc->vc_tab_stop[1] = vc->vc_tab_stop[2] = vc->vc_tab_stop[3] = @@ -1771,7 +1771,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) vc->vc_pos -= (vc->vc_x << 1); while (vc->vc_x < vc->vc_cols - 1) { vc->vc_x++; - if (vc->vc_tab_stop[vc->vc_x >> 5] & (1 << (vc->vc_x & 31))) + if (vc->vc_tab_stop[7 & (vc->vc_x >> 5)] & (1 << (vc->vc_x & 31))) break; } vc->vc_pos += (vc->vc_x << 1); @@ -1831,7 +1831,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) lf(vc); return; case 'H': - vc->vc_tab_stop[vc->vc_x >> 5] |= (1 << (vc->vc_x & 31)); + vc->vc_tab_stop[7 & (vc->vc_x >> 5)] |= (1 << (vc->vc_x & 31)); return; case 'Z': respond_ID(tty); @@ -2024,7 +2024,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) return; case 'g': if (!vc->vc_par[0]) - vc->vc_tab_stop[vc->vc_x >> 5] &= ~(1 << (vc->vc_x & 31)); + vc->vc_tab_stop[7 & (vc->vc_x >> 5)] &= ~(1 << (vc->vc_x & 31)); else if (vc->vc_par[0] == 3) { vc->vc_tab_stop[0] = vc->vc_tab_stop[1] = diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index f699aba..148f3ee 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -19,6 +19,12 @@ config USB_EHCI_BIG_ENDIAN_MMIO config USB_EHCI_BIG_ENDIAN_DESC bool +config USB_UHCI_BIG_ENDIAN_MMIO + bool + +config USB_UHCI_BIG_ENDIAN_DESC + bool + menuconfig USB_SUPPORT bool "USB support" depends on HAS_IOMEM diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 06b3b54..7b366a6 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -174,6 +174,7 @@ static int acm_wb_alloc(struct acm *acm) wb = &acm->wb[wbn]; if (!wb->use) { wb->use = 1; + wb->len = 0; return wbn; } wbn = (wbn + 1) % ACM_NW; @@ -805,16 +806,18 @@ static int acm_tty_write(struct tty_struct *tty, static void acm_tty_flush_chars(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - struct acm_wb *cur = acm->putbuffer; + struct acm_wb *cur; int err; unsigned long flags; + spin_lock_irqsave(&acm->write_lock, flags); + + cur = acm->putbuffer; if (!cur) /* nothing to do */ - return; + goto out; acm->putbuffer = NULL; err = usb_autopm_get_interface_async(acm->control); - spin_lock_irqsave(&acm->write_lock, flags); if (err < 0) { cur->use = 0; acm->putbuffer = cur; diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index c64cf6c..0c11d40 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -151,6 +151,10 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, ret = usb_internal_control_msg(dev, pipe, dr, data, size, timeout); + /* Linger a bit, prior to the next control message. */ + if (dev->quirks & USB_QUIRK_DELAY_CTRL_MSG) + msleep(200); + kfree(dr); return ret; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 4024926..54b019e 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -226,8 +226,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1a0a, 0x0200), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Corsair K70 RGB */ + { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Corsair Strafe RGB */ - { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | + USB_QUIRK_DELAY_CTRL_MSG }, /* Corsair K70 LUX */ { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e4c3ce0..5bcad1d 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1917,7 +1917,9 @@ static void dwc2_hsotg_program_zlp(struct dwc2_hsotg *hsotg, /* Not specific buffer needed for ep0 ZLP */ dma_addr_t dma = hs_ep->desc_list_dma; - dwc2_gadget_set_ep0_desc_chain(hsotg, hs_ep); + if (!index) + dwc2_gadget_set_ep0_desc_chain(hsotg, hs_ep); + dwc2_gadget_config_nonisoc_xfer_ddma(hs_ep, dma, 0); } else { dwc2_writel(DXEPTSIZ_MC(1) | DXEPTSIZ_PKTCNT(1) | @@ -2974,9 +2976,13 @@ static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, if (ints & DXEPINT_STSPHSERCVD) { dev_dbg(hsotg->dev, "%s: StsPhseRcvd\n", __func__); - /* Move to STATUS IN for DDMA */ - if (using_desc_dma(hsotg)) - dwc2_hsotg_ep0_zlp(hsotg, true); + /* Safety check EP0 state when STSPHSERCVD asserted */ + if (hsotg->ep0_state == DWC2_EP0_DATA_OUT) { + /* Move to STATUS IN for DDMA */ + if (using_desc_dma(hsotg)) + dwc2_hsotg_ep0_zlp(hsotg, true); + } + } if (ints & DXEPINT_BACK2BACKSETUP) @@ -3375,12 +3381,6 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, dwc2_writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_USBACTEP, hsotg->regs + DIEPCTL0); - dwc2_hsotg_enqueue_setup(hsotg); - - dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", - dwc2_readl(hsotg->regs + DIEPCTL0), - dwc2_readl(hsotg->regs + DOEPCTL0)); - /* clear global NAKs */ val = DCTL_CGOUTNAK | DCTL_CGNPINNAK; if (!is_usb_reset) @@ -3391,6 +3391,12 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, mdelay(3); hsotg->lx_state = DWC2_L0; + + dwc2_hsotg_enqueue_setup(hsotg); + + dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", + dwc2_readl(hsotg->regs + DIEPCTL0), + dwc2_readl(hsotg->regs + DOEPCTL0)); } static void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 03fd20f..c4a4749 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -137,7 +137,7 @@ static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg) p->activate_stm_fs_transceiver = true; } -static void dwc2_set_stm32f7xx_hsotg_params(struct dwc2_hsotg *hsotg) +static void dwc2_set_stm32f7_hsotg_params(struct dwc2_hsotg *hsotg) { struct dwc2_core_params *p = &hsotg->params; @@ -164,8 +164,8 @@ const struct of_device_id dwc2_of_match_table[] = { { .compatible = "st,stm32f4x9-fsotg", .data = dwc2_set_stm32f4x9_fsotg_params }, { .compatible = "st,stm32f4x9-hsotg" }, - { .compatible = "st,stm32f7xx-hsotg", - .data = dwc2_set_stm32f7xx_hsotg_params }, + { .compatible = "st,stm32f7-hsotg", + .data = dwc2_set_stm32f7_hsotg_params }, {}, }; MODULE_DEVICE_TABLE(of, dwc2_of_match_table); diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ade2ab0..e94bf91 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -100,6 +100,8 @@ static void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode) reg &= ~(DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG)); reg |= DWC3_GCTL_PRTCAPDIR(mode); dwc3_writel(dwc->regs, DWC3_GCTL, reg); + + dwc->current_dr_role = mode; } static void __dwc3_set_mode(struct work_struct *work) @@ -133,8 +135,6 @@ static void __dwc3_set_mode(struct work_struct *work) dwc3_set_prtcap(dwc, dwc->desired_dr_role); - dwc->current_dr_role = dwc->desired_dr_role; - spin_unlock_irqrestore(&dwc->lock, flags); switch (dwc->desired_dr_role) { @@ -175,7 +175,7 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) dwc->desired_dr_role = mode; spin_unlock_irqrestore(&dwc->lock, flags); - queue_work(system_power_efficient_wq, &dwc->drd_work); + queue_work(system_freezable_wq, &dwc->drd_work); } u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type) @@ -219,7 +219,7 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) * XHCI driver will reset the host block. If dwc3 was configured for * host-only mode, then we can return early. */ - if (dwc->dr_mode == USB_DR_MODE_HOST) + if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) return 0; reg = dwc3_readl(dwc->regs, DWC3_DCTL); @@ -234,6 +234,9 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) udelay(1); } while (--retries); + phy_exit(dwc->usb3_generic_phy); + phy_exit(dwc->usb2_generic_phy); + return -ETIMEDOUT; } @@ -483,6 +486,22 @@ static void dwc3_cache_hwparams(struct dwc3 *dwc) parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8); } +static int dwc3_core_ulpi_init(struct dwc3 *dwc) +{ + int intf; + int ret = 0; + + intf = DWC3_GHWPARAMS3_HSPHY_IFC(dwc->hwparams.hwparams3); + + if (intf == DWC3_GHWPARAMS3_HSPHY_IFC_ULPI || + (intf == DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI && + dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "ulpi", 4))) + ret = dwc3_ulpi_init(dwc); + + return ret; +} + /** * dwc3_phy_setup - Configure USB PHY Interface of DWC3 Core * @dwc: Pointer to our controller context structure @@ -494,7 +513,6 @@ static void dwc3_cache_hwparams(struct dwc3 *dwc) static int dwc3_phy_setup(struct dwc3 *dwc) { u32 reg; - int ret; reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); @@ -565,9 +583,6 @@ static int dwc3_phy_setup(struct dwc3 *dwc) } /* FALLTHROUGH */ case DWC3_GHWPARAMS3_HSPHY_IFC_ULPI: - ret = dwc3_ulpi_init(dwc); - if (ret) - return ret; /* FALLTHROUGH */ default: break; @@ -724,6 +739,7 @@ static void dwc3_core_setup_global_control(struct dwc3 *dwc) } static int dwc3_core_get_phy(struct dwc3 *dwc); +static int dwc3_core_ulpi_init(struct dwc3 *dwc); /** * dwc3_core_init - Low-level initialization of DWC3 Core @@ -755,17 +771,27 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc->maximum_speed = USB_SPEED_HIGH; } - ret = dwc3_core_get_phy(dwc); + ret = dwc3_phy_setup(dwc); if (ret) goto err0; - ret = dwc3_core_soft_reset(dwc); - if (ret) - goto err0; + if (!dwc->ulpi_ready) { + ret = dwc3_core_ulpi_init(dwc); + if (ret) + goto err0; + dwc->ulpi_ready = true; + } - ret = dwc3_phy_setup(dwc); + if (!dwc->phys_ready) { + ret = dwc3_core_get_phy(dwc); + if (ret) + goto err0a; + dwc->phys_ready = true; + } + + ret = dwc3_core_soft_reset(dwc); if (ret) - goto err0; + goto err0a; dwc3_core_setup_global_control(dwc); dwc3_core_num_eps(dwc); @@ -838,6 +864,9 @@ err1: phy_exit(dwc->usb2_generic_phy); phy_exit(dwc->usb3_generic_phy); +err0a: + dwc3_ulpi_exit(dwc); + err0: return ret; } @@ -916,7 +945,6 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) switch (dwc->dr_mode) { case USB_DR_MODE_PERIPHERAL: - dwc->current_dr_role = DWC3_GCTL_PRTCAP_DEVICE; dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE); if (dwc->usb2_phy) @@ -932,7 +960,6 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) } break; case USB_DR_MODE_HOST: - dwc->current_dr_role = DWC3_GCTL_PRTCAP_HOST; dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST); if (dwc->usb2_phy) @@ -1234,7 +1261,6 @@ err4: err3: dwc3_free_event_buffers(dwc); - dwc3_ulpi_exit(dwc); err2: pm_runtime_allow(&pdev->dev); @@ -1284,7 +1310,7 @@ static int dwc3_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int dwc3_suspend_common(struct dwc3 *dwc) +static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg) { unsigned long flags; @@ -1296,6 +1322,10 @@ static int dwc3_suspend_common(struct dwc3 *dwc) dwc3_core_exit(dwc); break; case DWC3_GCTL_PRTCAP_HOST: + /* do nothing during host runtime_suspend */ + if (!PMSG_IS_AUTO(msg)) + dwc3_core_exit(dwc); + break; default: /* do nothing */ break; @@ -1304,7 +1334,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc) return 0; } -static int dwc3_resume_common(struct dwc3 *dwc) +static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg) { unsigned long flags; int ret; @@ -1320,6 +1350,13 @@ static int dwc3_resume_common(struct dwc3 *dwc) spin_unlock_irqrestore(&dwc->lock, flags); break; case DWC3_GCTL_PRTCAP_HOST: + /* nothing to do on host runtime_resume */ + if (!PMSG_IS_AUTO(msg)) { + ret = dwc3_core_init(dwc); + if (ret) + return ret; + } + break; default: /* do nothing */ break; @@ -1331,12 +1368,11 @@ static int dwc3_resume_common(struct dwc3 *dwc) static int dwc3_runtime_checks(struct dwc3 *dwc) { switch (dwc->current_dr_role) { - case USB_DR_MODE_PERIPHERAL: - case USB_DR_MODE_OTG: + case DWC3_GCTL_PRTCAP_DEVICE: if (dwc->connected) return -EBUSY; break; - case USB_DR_MODE_HOST: + case DWC3_GCTL_PRTCAP_HOST: default: /* do nothing */ break; @@ -1353,7 +1389,7 @@ static int dwc3_runtime_suspend(struct device *dev) if (dwc3_runtime_checks(dwc)) return -EBUSY; - ret = dwc3_suspend_common(dwc); + ret = dwc3_suspend_common(dwc, PMSG_AUTO_SUSPEND); if (ret) return ret; @@ -1369,7 +1405,7 @@ static int dwc3_runtime_resume(struct device *dev) device_init_wakeup(dev, false); - ret = dwc3_resume_common(dwc); + ret = dwc3_resume_common(dwc, PMSG_AUTO_RESUME); if (ret) return ret; @@ -1416,7 +1452,7 @@ static int dwc3_suspend(struct device *dev) struct dwc3 *dwc = dev_get_drvdata(dev); int ret; - ret = dwc3_suspend_common(dwc); + ret = dwc3_suspend_common(dwc, PMSG_SUSPEND); if (ret) return ret; @@ -1432,7 +1468,7 @@ static int dwc3_resume(struct device *dev) pinctrl_pm_select_default_state(dev); - ret = dwc3_resume_common(dwc); + ret = dwc3_resume_common(dwc, PMSG_RESUME); if (ret) return ret; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 03c7aaa..860d2bc 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -158,13 +158,15 @@ #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) #define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff) -#define DWC3_TXFIFOQ 1 -#define DWC3_RXFIFOQ 3 -#define DWC3_TXREQQ 5 -#define DWC3_RXREQQ 7 -#define DWC3_RXINFOQ 9 -#define DWC3_DESCFETCHQ 13 -#define DWC3_EVENTQ 15 +#define DWC3_TXFIFOQ 0 +#define DWC3_RXFIFOQ 1 +#define DWC3_TXREQQ 2 +#define DWC3_RXREQQ 3 +#define DWC3_RXINFOQ 4 +#define DWC3_PSTATQ 5 +#define DWC3_DESCFETCHQ 6 +#define DWC3_EVENTQ 7 +#define DWC3_AUXEVENTQ 8 /* Global RX Threshold Configuration Register */ #define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19) @@ -795,7 +797,9 @@ struct dwc3_scratchpad_array { * @usb3_phy: pointer to USB3 PHY * @usb2_generic_phy: pointer to USB2 PHY * @usb3_generic_phy: pointer to USB3 PHY + * @phys_ready: flag to indicate that PHYs are ready * @ulpi: pointer to ulpi interface + * @ulpi_ready: flag to indicate that ULPI is initialized * @u2sel: parameter from Set SEL request. * @u2pel: parameter from Set SEL request. * @u1sel: parameter from Set SEL request. @@ -893,7 +897,10 @@ struct dwc3 { struct phy *usb2_generic_phy; struct phy *usb3_generic_phy; + bool phys_ready; + struct ulpi *ulpi; + bool ulpi_ready; void __iomem *regs; size_t regs_size; diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index 7ae0eef..e54c362 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -143,6 +143,7 @@ static int dwc3_of_simple_remove(struct platform_device *pdev) clk_disable_unprepare(simple->clks[i]); clk_put(simple->clks[i]); } + simple->num_clocks = 0; reset_control_assert(simple->resets); reset_control_put(simple->resets); diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index a4719e8..ed8b865 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -582,9 +582,25 @@ static int dwc3_omap_resume(struct device *dev) return 0; } +static void dwc3_omap_complete(struct device *dev) +{ + struct dwc3_omap *omap = dev_get_drvdata(dev); + + if (extcon_get_state(omap->edev, EXTCON_USB)) + dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID); + else + dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF); + + if (extcon_get_state(omap->edev, EXTCON_USB_HOST)) + dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND); + else + dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT); +} + static const struct dev_pm_ops dwc3_omap_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume) + .complete = dwc3_omap_complete, }; #define DEV_PM_OPS (&dwc3_omap_dev_pm_ops) diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 9c2e4a1..18be31d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -854,7 +854,12 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, trb++; trb->ctrl &= ~DWC3_TRB_CTRL_HWO; trace_dwc3_complete_trb(ep0, trb); - ep0->trb_enqueue = 0; + + if (r->direction) + dwc->eps[1]->trb_enqueue = 0; + else + dwc->eps[0]->trb_enqueue = 0; + dwc->ep0_bounced = false; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 616ef49..2bda4eb 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2745,6 +2745,8 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) break; } + dwc->eps[1]->endpoint.maxpacket = dwc->gadget.ep0->maxpacket; + /* Enable USB2 LPM Capability */ if ((dwc->revision > DWC3_REVISION_194A) && diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 8f2cf3b..d2428a9 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1538,7 +1538,6 @@ ffs_fs_kill_sb(struct super_block *sb) if (sb->s_fs_info) { ffs_release_dev(sb->s_fs_info); ffs_data_closed(sb->s_fs_info); - ffs_data_put(sb->s_fs_info); } } @@ -1855,44 +1854,20 @@ static int ffs_func_eps_enable(struct ffs_function *func) spin_lock_irqsave(&func->ffs->eps_lock, flags); while(count--) { - struct usb_endpoint_descriptor *ds; - struct usb_ss_ep_comp_descriptor *comp_desc = NULL; - int needs_comp_desc = false; - int desc_idx; - - if (ffs->gadget->speed == USB_SPEED_SUPER) { - desc_idx = 2; - needs_comp_desc = true; - } else if (ffs->gadget->speed == USB_SPEED_HIGH) - desc_idx = 1; - else - desc_idx = 0; - - /* fall-back to lower speed if desc missing for current speed */ - do { - ds = ep->descs[desc_idx]; - } while (!ds && --desc_idx >= 0); - - if (!ds) { - ret = -EINVAL; - break; - } - ep->ep->driver_data = ep; - ep->ep->desc = ds; - if (needs_comp_desc) { - comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds + - USB_DT_ENDPOINT_SIZE); - ep->ep->maxburst = comp_desc->bMaxBurst + 1; - ep->ep->comp_desc = comp_desc; + ret = config_ep_by_speed(func->gadget, &func->function, ep->ep); + if (ret) { + pr_err("%s: config_ep_by_speed(%s) returned %d\n", + __func__, ep->ep->name, ret); + break; } ret = usb_ep_enable(ep->ep); if (likely(!ret)) { epfile->ep = ep; - epfile->in = usb_endpoint_dir_in(ds); - epfile->isoc = usb_endpoint_xfer_isoc(ds); + epfile->in = usb_endpoint_dir_in(ep->ep->desc); + epfile->isoc = usb_endpoint_xfer_isoc(ep->ep->desc); } else { break; } @@ -2979,10 +2954,8 @@ static int _ffs_func_bind(struct usb_configuration *c, struct ffs_data *ffs = func->ffs; const int full = !!func->ffs->fs_descs_count; - const int high = gadget_is_dualspeed(func->gadget) && - func->ffs->hs_descs_count; - const int super = gadget_is_superspeed(func->gadget) && - func->ffs->ss_descs_count; + const int high = !!func->ffs->hs_descs_count; + const int super = !!func->ffs->ss_descs_count; int fs_len, hs_len, ss_len, ret, i; struct ffs_ep *eps_ptr; diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 11fe788..d2dc1f0 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -524,6 +524,8 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); return ret; } + iad_desc.bFirstInterface = ret; + std_ac_if_desc.bInterfaceNumber = ret; uac2->ac_intf = ret; uac2->ac_alt = 0; diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 1e95670..0875d38 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -274,7 +274,6 @@ config USB_SNP_UDC_PLAT tristate "Synopsys USB 2.0 Device controller" depends on USB_GADGET && OF && HAS_DMA depends on EXTCON || EXTCON=n - select USB_GADGET_DUALSPEED select USB_SNP_CORE default ARCH_BCM_IPROC help diff --git a/drivers/usb/gadget/udc/bdc/bdc_pci.c b/drivers/usb/gadget/udc/bdc/bdc_pci.c index 1e940f0..6dbc489 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_pci.c +++ b/drivers/usb/gadget/udc/bdc/bdc_pci.c @@ -77,6 +77,7 @@ static int bdc_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) if (ret) { dev_err(&pci->dev, "couldn't add resources to bdc device\n"); + platform_device_put(bdc); return ret; } diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 859d5b1..1f8b19d 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -180,8 +180,8 @@ EXPORT_SYMBOL_GPL(usb_ep_alloc_request); void usb_ep_free_request(struct usb_ep *ep, struct usb_request *req) { - ep->ops->free_request(ep, req); trace_usb_ep_free_request(ep, req, 0); + ep->ops->free_request(ep, req); } EXPORT_SYMBOL_GPL(usb_ep_free_request); diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index e5b4ee9..56b517a 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -1305,7 +1305,7 @@ static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe) { struct fsl_ep *ep = get_ep_by_pipe(udc, pipe); - if (ep->name) + if (ep->ep.name) nuke(ep, -ESHUTDOWN); } @@ -1693,7 +1693,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) curr_ep = get_ep_by_pipe(udc, i); /* If the ep is configured */ - if (curr_ep->name == NULL) { + if (!curr_ep->ep.name) { WARNING("Invalid EP?"); continue; } diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 6e87af2..409cde4 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2410,7 +2410,7 @@ static int renesas_usb3_remove(struct platform_device *pdev) __renesas_usb3_ep_free_request(usb3->ep0_req); if (usb3->phy) phy_put(usb3->phy); - pm_runtime_disable(usb3_to_dev(usb3)); + pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 6150bed..4fcfb30 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -633,14 +633,6 @@ config USB_UHCI_ASPEED bool default y if ARCH_ASPEED -config USB_UHCI_BIG_ENDIAN_MMIO - bool - default y if SPARC_LEON - -config USB_UHCI_BIG_ENDIAN_DESC - bool - default y if SPARC_LEON - config USB_FHCI_HCD tristate "Freescale QE USB Host Controller support" depends on OF_GPIO && QE_GPIO && QUICC_ENGINE diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index facafdf..d7641cb 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -774,12 +774,12 @@ static struct urb *request_single_step_set_feature_urb( atomic_inc(&urb->use_count); atomic_inc(&urb->dev->urbnum); urb->setup_dma = dma_map_single( - hcd->self.controller, + hcd->self.sysdev, urb->setup_packet, sizeof(struct usb_ctrlrequest), DMA_TO_DEVICE); urb->transfer_dma = dma_map_single( - hcd->self.controller, + hcd->self.sysdev, urb->transfer_buffer, urb->transfer_buffer_length, DMA_FROM_DEVICE); diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 8815832..3276304 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1188,10 +1188,10 @@ static int submit_single_step_set_feature( * 15 secs after the setup */ if (is_setup) { - /* SETUP pid */ + /* SETUP pid, and interrupt after SETUP completion */ qtd_fill(ehci, qtd, urb->setup_dma, sizeof(struct usb_ctrlrequest), - token | (2 /* "setup" */ << 8), 8); + QTD_IOC | token | (2 /* "setup" */ << 8), 8); submit_async(ehci, urb, &qtd_list, GFP_ATOMIC); return 0; /*Return now; we shall come back after 15 seconds*/ @@ -1228,12 +1228,8 @@ static int submit_single_step_set_feature( qtd_prev->hw_next = QTD_NEXT(ehci, qtd->qtd_dma); list_add_tail(&qtd->qtd_list, head); - /* dont fill any data in such packets */ - qtd_fill(ehci, qtd, 0, 0, token, 0); - - /* by default, enable interrupt on urb completion */ - if (likely(!(urb->transfer_flags & URB_NO_INTERRUPT))) - qtd->hw_token |= cpu_to_hc32(ehci, QTD_IOC); + /* Interrupt after STATUS completion */ + qtd_fill(ehci, qtd, 0, 0, token | QTD_IOC, 0); submit_async(ehci, urb, &qtd_list, GFP_KERNEL); diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ee96763..d088c34 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -74,6 +74,7 @@ static const char hcd_name [] = "ohci_hcd"; #define STATECHANGE_DELAY msecs_to_jiffies(300) #define IO_WATCHDOG_DELAY msecs_to_jiffies(275) +#define IO_WATCHDOG_OFF 0xffffff00 #include "ohci.h" #include "pci-quirks.h" @@ -231,7 +232,7 @@ static int ohci_urb_enqueue ( } /* Start up the I/O watchdog timer, if it's not running */ - if (!timer_pending(&ohci->io_watchdog) && + if (ohci->prev_frame_no == IO_WATCHDOG_OFF && list_empty(&ohci->eds_in_use) && !(ohci->flags & OHCI_QUIRK_QEMU)) { ohci->prev_frame_no = ohci_frame_no(ohci); @@ -446,7 +447,8 @@ static int ohci_init (struct ohci_hcd *ohci) struct usb_hcd *hcd = ohci_to_hcd(ohci); /* Accept arbitrarily long scatter-gather lists */ - hcd->self.sg_tablesize = ~0; + if (!(hcd->driver->flags & HCD_LOCAL_MEM)) + hcd->self.sg_tablesize = ~0; if (distrust_firmware) ohci->flags |= OHCI_QUIRK_HUB_POWER; @@ -501,6 +503,7 @@ static int ohci_init (struct ohci_hcd *ohci) return 0; timer_setup(&ohci->io_watchdog, io_watchdog_func, 0); + ohci->prev_frame_no = IO_WATCHDOG_OFF; ohci->hcca = dma_alloc_coherent (hcd->self.controller, sizeof(*ohci->hcca), &ohci->hcca_dma, GFP_KERNEL); @@ -730,7 +733,7 @@ static void io_watchdog_func(struct timer_list *t) u32 head; struct ed *ed; struct td *td, *td_start, *td_next; - unsigned frame_no; + unsigned frame_no, prev_frame_no = IO_WATCHDOG_OFF; unsigned long flags; spin_lock_irqsave(&ohci->lock, flags); @@ -835,7 +838,7 @@ static void io_watchdog_func(struct timer_list *t) } } if (!list_empty(&ohci->eds_in_use)) { - ohci->prev_frame_no = frame_no; + prev_frame_no = frame_no; ohci->prev_wdh_cnt = ohci->wdh_cnt; ohci->prev_donehead = ohci_readl(ohci, &ohci->regs->donehead); @@ -845,6 +848,7 @@ static void io_watchdog_func(struct timer_list *t) } done: + ohci->prev_frame_no = prev_frame_no; spin_unlock_irqrestore(&ohci->lock, flags); } @@ -973,6 +977,7 @@ static void ohci_stop (struct usb_hcd *hcd) if (quirk_nec(ohci)) flush_work(&ohci->nec_work); del_timer_sync(&ohci->io_watchdog); + ohci->prev_frame_no = IO_WATCHDOG_OFF; ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); ohci_usb_reset(ohci); diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index fb7aaa3..634f3c7 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -311,8 +311,10 @@ static int ohci_bus_suspend (struct usb_hcd *hcd) rc = ohci_rh_suspend (ohci, 0); spin_unlock_irq (&ohci->lock); - if (rc == 0) + if (rc == 0) { del_timer_sync(&ohci->io_watchdog); + ohci->prev_frame_no = IO_WATCHDOG_OFF; + } return rc; } diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index b2ec8c3..4ccb85a 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -1019,6 +1019,8 @@ skip_ed: * have modified this list. normally it's just prepending * entries (which we'd ignore), but paranoia won't hurt. */ + *last = ed->ed_next; + ed->ed_next = NULL; modified = 0; /* unlink urbs as requested, but rescan the list after @@ -1077,21 +1079,22 @@ rescan_this: goto rescan_this; /* - * If no TDs are queued, take ED off the ed_rm_list. + * If no TDs are queued, ED is now idle. * Otherwise, if the HC is running, reschedule. - * If not, leave it on the list for further dequeues. + * If the HC isn't running, add ED back to the + * start of the list for later processing. */ if (list_empty(&ed->td_list)) { - *last = ed->ed_next; - ed->ed_next = NULL; ed->state = ED_IDLE; list_del(&ed->in_use_list); } else if (ohci->rh_state == OHCI_RH_RUNNING) { - *last = ed->ed_next; - ed->ed_next = NULL; ed_schedule(ohci, ed); } else { - last = &ed->ed_next; + ed->ed_next = ohci->ed_rm_list; + ohci->ed_rm_list = ed; + /* Don't loop on the same ED */ + if (last == &ohci->ed_rm_list) + last = &ed->ed_next; } if (modified) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 1615367..67ad4bb 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -66,6 +66,23 @@ #define AX_INDXC 0x30 #define AX_DATAC 0x34 +#define PT_ADDR_INDX 0xE8 +#define PT_READ_INDX 0xE4 +#define PT_SIG_1_ADDR 0xA520 +#define PT_SIG_2_ADDR 0xA521 +#define PT_SIG_3_ADDR 0xA522 +#define PT_SIG_4_ADDR 0xA523 +#define PT_SIG_1_DATA 0x78 +#define PT_SIG_2_DATA 0x56 +#define PT_SIG_3_DATA 0x34 +#define PT_SIG_4_DATA 0x12 +#define PT4_P1_REG 0xB521 +#define PT4_P2_REG 0xB522 +#define PT2_P1_REG 0xD520 +#define PT2_P2_REG 0xD521 +#define PT1_P1_REG 0xD522 +#define PT1_P2_REG 0xD523 + #define NB_PCIE_INDX_ADDR 0xe0 #define NB_PCIE_INDX_DATA 0xe4 #define PCIE_P_CNTL 0x10040 @@ -513,6 +530,98 @@ void usb_amd_dev_put(void) EXPORT_SYMBOL_GPL(usb_amd_dev_put); /* + * Check if port is disabled in BIOS on AMD Promontory host. + * BIOS Disabled ports may wake on connect/disconnect and need + * driver workaround to keep them disabled. + * Returns true if port is marked disabled. + */ +bool usb_amd_pt_check_port(struct device *device, int port) +{ + unsigned char value, port_shift; + struct pci_dev *pdev; + u16 reg; + + pdev = to_pci_dev(device); + pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_1_ADDR); + + pci_read_config_byte(pdev, PT_READ_INDX, &value); + if (value != PT_SIG_1_DATA) + return false; + + pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_2_ADDR); + + pci_read_config_byte(pdev, PT_READ_INDX, &value); + if (value != PT_SIG_2_DATA) + return false; + + pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_3_ADDR); + + pci_read_config_byte(pdev, PT_READ_INDX, &value); + if (value != PT_SIG_3_DATA) + return false; + + pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_4_ADDR); + + pci_read_config_byte(pdev, PT_READ_INDX, &value); + if (value != PT_SIG_4_DATA) + return false; + + /* Check disabled port setting, if bit is set port is enabled */ + switch (pdev->device) { + case 0x43b9: + case 0x43ba: + /* + * device is AMD_PROMONTORYA_4(0x43b9) or PROMONTORYA_3(0x43ba) + * PT4_P1_REG bits[7..1] represents USB2.0 ports 6 to 0 + * PT4_P2_REG bits[6..0] represents ports 13 to 7 + */ + if (port > 6) { + reg = PT4_P2_REG; + port_shift = port - 7; + } else { + reg = PT4_P1_REG; + port_shift = port + 1; + } + break; + case 0x43bb: + /* + * device is AMD_PROMONTORYA_2(0x43bb) + * PT2_P1_REG bits[7..5] represents USB2.0 ports 2 to 0 + * PT2_P2_REG bits[5..0] represents ports 9 to 3 + */ + if (port > 2) { + reg = PT2_P2_REG; + port_shift = port - 3; + } else { + reg = PT2_P1_REG; + port_shift = port + 5; + } + break; + case 0x43bc: + /* + * device is AMD_PROMONTORYA_1(0x43bc) + * PT1_P1_REG[7..4] represents USB2.0 ports 3 to 0 + * PT1_P2_REG[5..0] represents ports 9 to 4 + */ + if (port > 3) { + reg = PT1_P2_REG; + port_shift = port - 4; + } else { + reg = PT1_P1_REG; + port_shift = port + 4; + } + break; + default: + return false; + } + pci_write_config_word(pdev, PT_ADDR_INDX, reg); + pci_read_config_byte(pdev, PT_READ_INDX, &value); + + return !(value & BIT(port_shift)); +} +EXPORT_SYMBOL_GPL(usb_amd_pt_check_port); + +/* * Make sure the controller is completely inactive, unable to * generate interrupts or do DMA. */ diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index b68dcb5..4ca0d9b 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -17,6 +17,7 @@ void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev); void usb_disable_xhci_ports(struct pci_dev *xhci_pdev); void sb800_prefetch(struct device *dev, int on); bool usb_xhci_needs_pci_reset(struct pci_dev *pdev); +bool usb_amd_pt_check_port(struct device *device, int port); #else struct pci_dev; static inline void usb_amd_quirk_pll_disable(void) {} @@ -25,6 +26,10 @@ static inline void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) {} static inline void usb_amd_dev_put(void) {} static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {} static inline void sb800_prefetch(struct device *dev, int on) {} +static inline bool usb_amd_pt_check_port(struct device *device, int port) +{ + return false; +} #endif /* CONFIG_USB_PCI */ #endif /* __LINUX_USB_PCI_QUIRKS_H */ diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index a1ab8ac..c359bae 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -328,13 +328,14 @@ dbc_ep_do_queue(struct dbc_ep *dep, struct dbc_request *req) int dbc_ep_queue(struct dbc_ep *dep, struct dbc_request *req, gfp_t gfp_flags) { + unsigned long flags; struct xhci_dbc *dbc = dep->dbc; int ret = -ESHUTDOWN; - spin_lock(&dbc->lock); + spin_lock_irqsave(&dbc->lock, flags); if (dbc->state == DS_CONFIGURED) ret = dbc_ep_do_queue(dep, req); - spin_unlock(&dbc->lock); + spin_unlock_irqrestore(&dbc->lock, flags); mod_delayed_work(system_wq, &dbc->event_work, 0); @@ -521,15 +522,16 @@ static void xhci_do_dbc_stop(struct xhci_hcd *xhci) static int xhci_dbc_start(struct xhci_hcd *xhci) { int ret; + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; WARN_ON(!dbc); pm_runtime_get_sync(xhci_to_hcd(xhci)->self.controller); - spin_lock(&dbc->lock); + spin_lock_irqsave(&dbc->lock, flags); ret = xhci_do_dbc_start(xhci); - spin_unlock(&dbc->lock); + spin_unlock_irqrestore(&dbc->lock, flags); if (ret) { pm_runtime_put(xhci_to_hcd(xhci)->self.controller); @@ -541,6 +543,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci) static void xhci_dbc_stop(struct xhci_hcd *xhci) { + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; struct dbc_port *port = &dbc->port; @@ -551,9 +554,9 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci) if (port->registered) xhci_dbc_tty_unregister_device(xhci); - spin_lock(&dbc->lock); + spin_lock_irqsave(&dbc->lock, flags); xhci_do_dbc_stop(xhci); - spin_unlock(&dbc->lock); + spin_unlock_irqrestore(&dbc->lock, flags); pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller); } @@ -779,14 +782,15 @@ static void xhci_dbc_handle_events(struct work_struct *work) int ret; enum evtreturn evtr; struct xhci_dbc *dbc; + unsigned long flags; struct xhci_hcd *xhci; dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work); xhci = dbc->xhci; - spin_lock(&dbc->lock); + spin_lock_irqsave(&dbc->lock, flags); evtr = xhci_dbc_do_handle_events(dbc); - spin_unlock(&dbc->lock); + spin_unlock_irqrestore(&dbc->lock, flags); switch (evtr) { case EVT_GSER: diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index 8d47b6f..75f0b92 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -92,21 +92,23 @@ static void dbc_start_rx(struct dbc_port *port) static void dbc_read_complete(struct xhci_hcd *xhci, struct dbc_request *req) { + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; struct dbc_port *port = &dbc->port; - spin_lock(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); list_add_tail(&req->list_pool, &port->read_queue); tasklet_schedule(&port->push); - spin_unlock(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req) { + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; struct dbc_port *port = &dbc->port; - spin_lock(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); list_add(&req->list_pool, &port->write_pool); switch (req->status) { case 0: @@ -119,7 +121,7 @@ static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req) req->status); break; } - spin_unlock(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static void xhci_dbc_free_req(struct dbc_ep *dep, struct dbc_request *req) @@ -327,12 +329,13 @@ static void dbc_rx_push(unsigned long _port) { struct dbc_request *req; struct tty_struct *tty; + unsigned long flags; bool do_push = false; bool disconnect = false; struct dbc_port *port = (void *)_port; struct list_head *queue = &port->read_queue; - spin_lock_irq(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); tty = port->port.tty; while (!list_empty(queue)) { req = list_first_entry(queue, struct dbc_request, list_pool); @@ -392,16 +395,17 @@ static void dbc_rx_push(unsigned long _port) if (!disconnect) dbc_start_rx(port); - spin_unlock_irq(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static int dbc_port_activate(struct tty_port *_port, struct tty_struct *tty) { + unsigned long flags; struct dbc_port *port = container_of(_port, struct dbc_port, port); - spin_lock_irq(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); dbc_start_rx(port); - spin_unlock_irq(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); return 0; } diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index e26e685..5851052 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -211,7 +211,7 @@ static void xhci_ring_dump_segment(struct seq_file *s, static int xhci_ring_trb_show(struct seq_file *s, void *unused) { int i; - struct xhci_ring *ring = s->private; + struct xhci_ring *ring = *(struct xhci_ring **)s->private; struct xhci_segment *seg = ring->first_seg; for (i = 0; i < ring->num_segs; i++) { @@ -387,7 +387,7 @@ void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, snprintf(epriv->name, sizeof(epriv->name), "ep%02d", ep_index); epriv->root = xhci_debugfs_create_ring_dir(xhci, - &dev->eps[ep_index].new_ring, + &dev->eps[ep_index].ring, epriv->name, spriv->root); spriv->eps[ep_index] = epriv; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 46d5e08..72ebbc9 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1224,17 +1224,17 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, temp = readl(port_array[wIndex]); break; } - - /* Software should not attempt to set - * port link state above '3' (U3) and the port - * must be enabled. - */ - if ((temp & PORT_PE) == 0 || - (link_state > USB_SS_PORT_LS_U3)) { - xhci_warn(xhci, "Cannot set link state.\n"); + /* Port must be enabled */ + if (!(temp & PORT_PE)) { + retval = -ENODEV; + break; + } + /* Can't set port link state above '3' (U3) */ + if (link_state > USB_SS_PORT_LS_U3) { + xhci_warn(xhci, "Cannot set port %d link state %d\n", + wIndex, link_state); goto error; } - if (link_state == USB_SS_PORT_LS_U3) { slot_id = xhci_find_slot_id_by_port(hcd, xhci, wIndex + 1); @@ -1522,6 +1522,13 @@ int xhci_bus_suspend(struct usb_hcd *hcd) t2 |= PORT_WKOC_E | PORT_WKCONN_E; t2 &= ~PORT_WKDISC_E; } + + if ((xhci->quirks & XHCI_U2_DISABLE_WAKE) && + (hcd->speed < HCD_USB3)) { + if (usb_amd_pt_check_port(hcd->self.controller, + port_index)) + t2 &= ~PORT_WAKE_BITS; + } } else t2 &= ~PORT_WAKE_BITS; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 6c79037..d9f831b 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -42,6 +42,10 @@ #define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8 #define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0 +#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9 +#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba +#define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb +#define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 static const char hcd_name[] = "xhci_hcd"; @@ -122,9 +126,19 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) xhci->quirks |= XHCI_AMD_PLL_FIX; + if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x43bb) + xhci->quirks |= XHCI_SUSPEND_DELAY; + if (pdev->vendor == PCI_VENDOR_ID_AMD) xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if ((pdev->vendor == PCI_VENDOR_ID_AMD) && + ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) || + (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_3) || + (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_2) || + (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_1))) + xhci->quirks |= XHCI_U2_DISABLE_WAKE; + if (pdev->vendor == PCI_VENDOR_ID_INTEL) { xhci->quirks |= XHCI_LPM_SUPPORT; xhci->quirks |= XHCI_INTEL_HOST; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 6f03830..6652e2d 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -360,7 +360,6 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); - int ret; /* * xhci_suspend() needs `do_wakeup` to know whether host is allowed @@ -370,12 +369,7 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev) * reconsider this when xhci_plat_suspend enlarges its scope, e.g., * also applies to runtime suspend. */ - ret = xhci_suspend(xhci, device_may_wakeup(dev)); - - if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk)) - clk_disable_unprepare(xhci->clk); - - return ret; + return xhci_suspend(xhci, device_may_wakeup(dev)); } static int __maybe_unused xhci_plat_resume(struct device *dev) @@ -384,9 +378,6 @@ static int __maybe_unused xhci_plat_resume(struct device *dev) struct xhci_hcd *xhci = hcd_to_xhci(hcd); int ret; - if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk)) - clk_prepare_enable(xhci->clk); - ret = xhci_priv_resume_quirk(hcd); if (ret) return ret; diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index f0b5596..f33ffc2 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -83,6 +83,10 @@ static const struct soc_device_attribute rcar_quirks_match[] = { .soc_id = "r8a7796", .data = (void *)RCAR_XHCI_FIRMWARE_V3, }, + { + .soc_id = "r8a77965", + .data = (void *)RCAR_XHCI_FIRMWARE_V3, + }, { /* sentinel */ }, }; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1eeb339..5d37700 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -646,8 +646,6 @@ static void xhci_stop(struct usb_hcd *hcd) return; } - xhci_debugfs_exit(xhci); - xhci_dbc_exit(xhci); spin_lock_irq(&xhci->lock); @@ -680,6 +678,7 @@ static void xhci_stop(struct usb_hcd *hcd) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "cleaning up memory"); xhci_mem_cleanup(xhci); + xhci_debugfs_exit(xhci); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_stop completed - status = %x", readl(&xhci->op_regs->status)); @@ -878,6 +877,9 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); del_timer_sync(&xhci->shared_hcd->rh_timer); + if (xhci->quirks & XHCI_SUSPEND_DELAY) + usleep_range(1000, 1500); + spin_lock_irq(&xhci->lock); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); @@ -1014,6 +1016,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) xhci_dbg(xhci, "cleaning up memory\n"); xhci_mem_cleanup(xhci); + xhci_debugfs_exit(xhci); xhci_dbg(xhci, "xhci_stop completed - status = %x\n", readl(&xhci->op_regs->status)); @@ -3544,12 +3547,10 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) virt_dev->eps[i].ep_state &= ~EP_STOP_CMD_PENDING; del_timer_sync(&virt_dev->eps[i].stop_cmd_timer); } - + xhci_debugfs_remove_slot(xhci, udev->slot_id); ret = xhci_disable_slot(xhci, udev->slot_id); - if (ret) { - xhci_debugfs_remove_slot(xhci, udev->slot_id); + if (ret) xhci_free_virt_device(xhci, udev->slot_id); - } } int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 96099a2..866e141 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -718,11 +718,12 @@ struct xhci_ep_ctx { /* bits 10:14 are Max Primary Streams */ /* bit 15 is Linear Stream Array */ /* Interval - period between requests to an endpoint - 125u increments. */ -#define EP_INTERVAL(p) (((p) & 0xff) << 16) -#define EP_INTERVAL_TO_UFRAMES(p) (1 << (((p) >> 16) & 0xff)) -#define CTX_TO_EP_INTERVAL(p) (((p) >> 16) & 0xff) -#define EP_MAXPSTREAMS_MASK (0x1f << 10) -#define EP_MAXPSTREAMS(p) (((p) << 10) & EP_MAXPSTREAMS_MASK) +#define EP_INTERVAL(p) (((p) & 0xff) << 16) +#define EP_INTERVAL_TO_UFRAMES(p) (1 << (((p) >> 16) & 0xff)) +#define CTX_TO_EP_INTERVAL(p) (((p) >> 16) & 0xff) +#define EP_MAXPSTREAMS_MASK (0x1f << 10) +#define EP_MAXPSTREAMS(p) (((p) << 10) & EP_MAXPSTREAMS_MASK) +#define CTX_TO_EP_MAXPSTREAMS(p) (((p) & EP_MAXPSTREAMS_MASK) >> 10) /* Endpoint is set up with a Linear Stream Array (vs. Secondary Stream Array) */ #define EP_HAS_LSA (1 << 15) /* hosts with LEC=1 use bits 31:24 as ESIT high bits. */ @@ -1822,9 +1823,10 @@ struct xhci_hcd { /* For controller with a broken Port Disable implementation */ #define XHCI_BROKEN_PORT_PED (1 << 25) #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26) -/* Reserved. It was XHCI_U2_DISABLE_WAKE */ +#define XHCI_U2_DISABLE_WAKE (1 << 27) #define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28) #define XHCI_HW_LPM_DISABLE (1 << 29) +#define XHCI_SUSPEND_DELAY (1 << 30) unsigned int num_active_eps; unsigned int limit_active_eps; @@ -2549,21 +2551,22 @@ static inline const char *xhci_decode_ep_context(u32 info, u32 info2, u64 deq, u8 burst; u8 cerr; u8 mult; - u8 lsa; - u8 hid; + + bool lsa; + bool hid; esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 | CTX_TO_MAX_ESIT_PAYLOAD(tx_info); ep_state = info & EP_STATE_MASK; - max_pstr = info & EP_MAXPSTREAMS_MASK; + max_pstr = CTX_TO_EP_MAXPSTREAMS(info); interval = CTX_TO_EP_INTERVAL(info); mult = CTX_TO_EP_MULT(info) + 1; - lsa = info & EP_HAS_LSA; + lsa = !!(info & EP_HAS_LSA); cerr = (info2 & (3 << 1)) >> 1; ep_type = CTX_TO_EP_TYPE(info2); - hid = info2 & (1 << 7); + hid = !!(info2 & (1 << 7)); burst = CTX_TO_MAX_BURST(info2); maxp = MAX_PACKET_DECODED(info2); diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 63b9e85..236a60f 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -42,6 +42,9 @@ #define USB_DEVICE_ID_LD_MICROCASSYTIME 0x1033 /* USB Product ID of Micro-CASSY Time (reserved) */ #define USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE 0x1035 /* USB Product ID of Micro-CASSY Temperature */ #define USB_DEVICE_ID_LD_MICROCASSYPH 0x1038 /* USB Product ID of Micro-CASSY pH */ +#define USB_DEVICE_ID_LD_POWERANALYSERCASSY 0x1040 /* USB Product ID of Power Analyser CASSY */ +#define USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY 0x1042 /* USB Product ID of Converter Controller CASSY */ +#define USB_DEVICE_ID_LD_MACHINETESTCASSY 0x1043 /* USB Product ID of Machine Test CASSY */ #define USB_DEVICE_ID_LD_JWM 0x1080 /* USB Product ID of Joule and Wattmeter */ #define USB_DEVICE_ID_LD_DMMP 0x1081 /* USB Product ID of Digital Multimeter P (reserved) */ #define USB_DEVICE_ID_LD_UMIP 0x1090 /* USB Product ID of UMI P */ @@ -84,6 +87,9 @@ static const struct usb_device_id ld_usb_table[] = { { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, + { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERANALYSERCASSY) }, + { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY) }, + { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETESTCASSY) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index f5e1bb5..984f7e1 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -85,6 +85,8 @@ struct mon_reader_text { wait_queue_head_t wait; int printf_size; + size_t printf_offset; + size_t printf_togo; char *printf_buf; struct mutex printf_lock; @@ -376,75 +378,103 @@ err_alloc: return rc; } -/* - * For simplicity, we read one record in one system call and throw out - * what does not fit. This means that the following does not work: - * dd if=/dbg/usbmon/0t bs=10 - * Also, we do not allow seeks and do not bother advancing the offset. - */ +static ssize_t mon_text_copy_to_user(struct mon_reader_text *rp, + char __user * const buf, const size_t nbytes) +{ + const size_t togo = min(nbytes, rp->printf_togo); + + if (copy_to_user(buf, &rp->printf_buf[rp->printf_offset], togo)) + return -EFAULT; + rp->printf_togo -= togo; + rp->printf_offset += togo; + return togo; +} + +/* ppos is not advanced since the llseek operation is not permitted. */ static ssize_t mon_text_read_t(struct file *file, char __user *buf, - size_t nbytes, loff_t *ppos) + size_t nbytes, loff_t *ppos) { struct mon_reader_text *rp = file->private_data; struct mon_event_text *ep; struct mon_text_ptr ptr; + ssize_t ret; - ep = mon_text_read_wait(rp, file); - if (IS_ERR(ep)) - return PTR_ERR(ep); mutex_lock(&rp->printf_lock); - ptr.cnt = 0; - ptr.pbuf = rp->printf_buf; - ptr.limit = rp->printf_size; - - mon_text_read_head_t(rp, &ptr, ep); - mon_text_read_statset(rp, &ptr, ep); - ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt, - " %d", ep->length); - mon_text_read_data(rp, &ptr, ep); - - if (copy_to_user(buf, rp->printf_buf, ptr.cnt)) - ptr.cnt = -EFAULT; + + if (rp->printf_togo == 0) { + + ep = mon_text_read_wait(rp, file); + if (IS_ERR(ep)) { + mutex_unlock(&rp->printf_lock); + return PTR_ERR(ep); + } + ptr.cnt = 0; + ptr.pbuf = rp->printf_buf; + ptr.limit = rp->printf_size; + + mon_text_read_head_t(rp, &ptr, ep); + mon_text_read_statset(rp, &ptr, ep); + ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt, + " %d", ep->length); + mon_text_read_data(rp, &ptr, ep); + + rp->printf_togo = ptr.cnt; + rp->printf_offset = 0; + + kmem_cache_free(rp->e_slab, ep); + } + + ret = mon_text_copy_to_user(rp, buf, nbytes); mutex_unlock(&rp->printf_lock); - kmem_cache_free(rp->e_slab, ep); - return ptr.cnt; + return ret; } +/* ppos is not advanced since the llseek operation is not permitted. */ static ssize_t mon_text_read_u(struct file *file, char __user *buf, - size_t nbytes, loff_t *ppos) + size_t nbytes, loff_t *ppos) { struct mon_reader_text *rp = file->private_data; struct mon_event_text *ep; struct mon_text_ptr ptr; + ssize_t ret; - ep = mon_text_read_wait(rp, file); - if (IS_ERR(ep)) - return PTR_ERR(ep); mutex_lock(&rp->printf_lock); - ptr.cnt = 0; - ptr.pbuf = rp->printf_buf; - ptr.limit = rp->printf_size; - mon_text_read_head_u(rp, &ptr, ep); - if (ep->type == 'E') { - mon_text_read_statset(rp, &ptr, ep); - } else if (ep->xfertype == USB_ENDPOINT_XFER_ISOC) { - mon_text_read_isostat(rp, &ptr, ep); - mon_text_read_isodesc(rp, &ptr, ep); - } else if (ep->xfertype == USB_ENDPOINT_XFER_INT) { - mon_text_read_intstat(rp, &ptr, ep); - } else { - mon_text_read_statset(rp, &ptr, ep); + if (rp->printf_togo == 0) { + + ep = mon_text_read_wait(rp, file); + if (IS_ERR(ep)) { + mutex_unlock(&rp->printf_lock); + return PTR_ERR(ep); + } + ptr.cnt = 0; + ptr.pbuf = rp->printf_buf; + ptr.limit = rp->printf_size; + + mon_text_read_head_u(rp, &ptr, ep); + if (ep->type == 'E') { + mon_text_read_statset(rp, &ptr, ep); + } else if (ep->xfertype == USB_ENDPOINT_XFER_ISOC) { + mon_text_read_isostat(rp, &ptr, ep); + mon_text_read_isodesc(rp, &ptr, ep); + } else if (ep->xfertype == USB_ENDPOINT_XFER_INT) { + mon_text_read_intstat(rp, &ptr, ep); + } else { + mon_text_read_statset(rp, &ptr, ep); + } + ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt, + " %d", ep->length); + mon_text_read_data(rp, &ptr, ep); + + rp->printf_togo = ptr.cnt; + rp->printf_offset = 0; + + kmem_cache_free(rp->e_slab, ep); } - ptr.cnt += snprintf(ptr.pbuf + ptr.cnt, ptr.limit - ptr.cnt, - " %d", ep->length); - mon_text_read_data(rp, &ptr, ep); - if (copy_to_user(buf, rp->printf_buf, ptr.cnt)) - ptr.cnt = -EFAULT; + ret = mon_text_copy_to_user(rp, buf, nbytes); mutex_unlock(&rp->printf_lock); - kmem_cache_free(rp->e_slab, ep); - return ptr.cnt; + return ret; } static struct mon_event_text *mon_text_read_wait(struct mon_reader_text *rp, diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 968bf1e..4d72307 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1756,6 +1756,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf) int vbus; u8 devctl; + pm_runtime_get_sync(dev); spin_lock_irqsave(&musb->lock, flags); val = musb->a_wait_bcon; vbus = musb_platform_get_vbus_status(musb); @@ -1769,6 +1770,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf) vbus = 0; } spin_unlock_irqrestore(&musb->lock, flags); + pm_runtime_put_sync(dev); return sprintf(buf, "Vbus %s, timeout %lu msec\n", vbus ? "on" : "off", val); @@ -2471,11 +2473,11 @@ static int musb_remove(struct platform_device *pdev) musb_disable_interrupts(musb); musb_writeb(musb->mregs, MUSB_DEVCTL, 0); spin_unlock_irqrestore(&musb->lock, flags); + musb_platform_exit(musb); pm_runtime_dont_use_autosuspend(musb->controller); pm_runtime_put_sync(musb->controller); pm_runtime_disable(musb->controller); - musb_platform_exit(musb); musb_phy_callback = NULL; if (musb->dma_controller) musb_dma_controller_destroy(musb->dma_controller); @@ -2708,7 +2710,8 @@ static int musb_resume(struct device *dev) if ((devctl & mask) != (musb->context.devctl & mask)) musb->port1_status = 0; - musb_start(musb); + musb_enable_interrupts(musb); + musb_platform_enable(musb); spin_lock_irqsave(&musb->lock, flags); error = musb_run_resume_work(musb); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 394b4ac..45ed32c 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -391,13 +391,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, } } - /* - * The pipe must be broken if current urb->status is set, so don't - * start next urb. - * TODO: to minimize the risk of regression, only check urb->status - * for RX, until we have a test case to understand the behavior of TX. - */ - if ((!status || !is_in) && qh && qh->is_ready) { + if (qh != NULL && qh->is_ready) { musb_dbg(musb, "... next ep%d %cX urb %p", hw_ep->epnum, is_in ? 'R' : 'T', next_urb(qh)); musb_start_urb(musb, is_in, qh); diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index da031c4..fbec863 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -602,6 +602,9 @@ static enum usb_charger_type mxs_phy_charger_detect(struct usb_phy *phy) void __iomem *base = phy->io_priv; enum usb_charger_type chgr_type = UNKNOWN_TYPE; + if (!regmap) + return UNKNOWN_TYPE; + if (mxs_charger_data_contact_detect(mxs_phy)) return chgr_type; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 5925d11..39fa2fc 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -982,6 +982,10 @@ static int usbhsf_dma_prepare_pop_with_usb_dmac(struct usbhs_pkt *pkt, if ((uintptr_t)pkt->buf & (USBHS_USB_DMAC_XFER_SIZE - 1)) goto usbhsf_pio_prepare_pop; + /* return at this time if the pipe is running */ + if (usbhs_pipe_is_running(pipe)) + return 0; + usbhs_pipe_config_change_bfre(pipe, 1); ret = usbhsf_fifo_select(pipe, fifo, 0); @@ -1172,6 +1176,7 @@ static int usbhsf_dma_pop_done_with_usb_dmac(struct usbhs_pkt *pkt, usbhsf_fifo_clear(pipe, fifo); pkt->actual = usbhs_dma_calc_received_size(pkt, chan, rcv_len); + usbhs_pipe_running(pipe, 0); usbhsf_dma_stop(pipe, fifo); usbhsf_dma_unmap(pkt); usbhsf_fifo_unselect(pipe, pipe->fifo); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5db8ed5..2d8d915 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -241,6 +241,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EC21 0x0121 #define QUECTEL_PRODUCT_EC25 0x0125 #define QUECTEL_PRODUCT_BG96 0x0296 +#define QUECTEL_PRODUCT_EP06 0x0306 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -689,6 +690,10 @@ static const struct option_blacklist_info yuga_clm920_nc5_blacklist = { .reserved = BIT(1) | BIT(4), }; +static const struct option_blacklist_info quectel_ep06_blacklist = { + .reserved = BIT(4) | BIT(5), +}; + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -1203,6 +1208,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06), + .driver_info = (kernel_ulong_t)&quectel_ep06_blacklist }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 3b1b969..6034c39 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -1076,7 +1076,7 @@ static int uas_post_reset(struct usb_interface *intf) return 0; err = uas_configure_endpoints(devinfo); - if (err && err != ENODEV) + if (err && err != -ENODEV) shost_printk(KERN_ERR, shost, "%s: alloc streams error %d after reset", __func__, err); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 264af19..747d3a9 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2118,6 +2118,13 @@ UNUSUAL_DEV( 0x152d, 0x2566, 0x0114, 0x0114, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA ), +/* Reported by Teijo Kinnunen <teijo.kinnunen@code-q.fi> */ +UNUSUAL_DEV( 0x152d, 0x2567, 0x0117, 0x0117, + "JMicron", + "USB to ATA/ATAPI Bridge", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BROKEN_FUA ), + /* Reported-by George Cherian <george.cherian@cavium.com> */ UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999, "JMicron", diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c index 9ce4756..dcd8ef0 100644 --- a/drivers/usb/typec/fusb302/fusb302.c +++ b/drivers/usb/typec/fusb302/fusb302.c @@ -1857,7 +1857,8 @@ static int fusb302_probe(struct i2c_client *client, chip->tcpm_port = tcpm_register_port(&client->dev, &chip->tcpc_dev); if (IS_ERR(chip->tcpm_port)) { ret = PTR_ERR(chip->tcpm_port); - dev_err(dev, "cannot register tcpm port, ret=%d", ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "cannot register tcpm port, ret=%d", ret); goto destroy_workqueue; } diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c index f4d563e..8b637a4 100644 --- a/drivers/usb/typec/tcpm.c +++ b/drivers/usb/typec/tcpm.c @@ -252,9 +252,6 @@ struct tcpm_port { unsigned int nr_src_pdo; u32 snk_pdo[PDO_MAX_OBJECTS]; unsigned int nr_snk_pdo; - unsigned int nr_fixed; /* number of fixed sink PDOs */ - unsigned int nr_var; /* number of variable sink PDOs */ - unsigned int nr_batt; /* number of battery sink PDOs */ u32 snk_vdo[VDO_MAX_OBJECTS]; unsigned int nr_snk_vdo; @@ -1770,90 +1767,39 @@ static int tcpm_pd_check_request(struct tcpm_port *port) return 0; } -#define min_power(x, y) min(pdo_max_power(x), pdo_max_power(y)) -#define min_current(x, y) min(pdo_max_current(x), pdo_max_current(y)) - -static int tcpm_pd_select_pdo(struct tcpm_port *port, int *sink_pdo, - int *src_pdo) +static int tcpm_pd_select_pdo(struct tcpm_port *port) { - unsigned int i, j, max_mw = 0, max_mv = 0, mw = 0, mv = 0, ma = 0; + unsigned int i, max_mw = 0, max_mv = 0; int ret = -EINVAL; /* - * Select the source PDO providing the most power which has a - * matchig sink cap. + * Select the source PDO providing the most power while staying within + * the board's voltage limits. Prefer PDO providing exp */ for (i = 0; i < port->nr_source_caps; i++) { u32 pdo = port->source_caps[i]; enum pd_pdo_type type = pdo_type(pdo); + unsigned int mv, ma, mw; - if (type == PDO_TYPE_FIXED) { - for (j = 0; j < port->nr_fixed; j++) { - if (pdo_fixed_voltage(pdo) == - pdo_fixed_voltage(port->snk_pdo[j])) { - ma = min_current(pdo, port->snk_pdo[j]); - mv = pdo_fixed_voltage(pdo); - mw = ma * mv / 1000; - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - /* There could only be one fixed pdo - * at a specific voltage level. - * So breaking here. - */ - break; - } - } - } else if (type == PDO_TYPE_BATT) { - for (j = port->nr_fixed; - j < port->nr_fixed + - port->nr_batt; - j++) { - if (pdo_min_voltage(pdo) >= - pdo_min_voltage(port->snk_pdo[j]) && - pdo_max_voltage(pdo) <= - pdo_max_voltage(port->snk_pdo[j])) { - mw = min_power(pdo, port->snk_pdo[j]); - mv = pdo_min_voltage(pdo); - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - } - } - } else if (type == PDO_TYPE_VAR) { - for (j = port->nr_fixed + - port->nr_batt; - j < port->nr_fixed + - port->nr_batt + - port->nr_var; - j++) { - if (pdo_min_voltage(pdo) >= - pdo_min_voltage(port->snk_pdo[j]) && - pdo_max_voltage(pdo) <= - pdo_max_voltage(port->snk_pdo[j])) { - ma = min_current(pdo, port->snk_pdo[j]); - mv = pdo_min_voltage(pdo); - mw = ma * mv / 1000; - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - } - } + if (type == PDO_TYPE_FIXED) + mv = pdo_fixed_voltage(pdo); + else + mv = pdo_min_voltage(pdo); + + if (type == PDO_TYPE_BATT) { + mw = pdo_max_power(pdo); + } else { + ma = min(pdo_max_current(pdo), + port->max_snk_ma); + mw = ma * mv / 1000; + } + + /* Perfer higher voltages if available */ + if ((mw > max_mw || (mw == max_mw && mv > max_mv)) && + mv <= port->max_snk_mv) { + ret = i; + max_mw = mw; + max_mv = mv; } } @@ -1865,14 +1811,13 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) unsigned int mv, ma, mw, flags; unsigned int max_ma, max_mw; enum pd_pdo_type type; - int src_pdo_index, snk_pdo_index; - u32 pdo, matching_snk_pdo; + int index; + u32 pdo; - if (tcpm_pd_select_pdo(port, &snk_pdo_index, &src_pdo_index) < 0) + index = tcpm_pd_select_pdo(port); + if (index < 0) return -EINVAL; - - pdo = port->source_caps[src_pdo_index]; - matching_snk_pdo = port->snk_pdo[snk_pdo_index]; + pdo = port->source_caps[index]; type = pdo_type(pdo); if (type == PDO_TYPE_FIXED) @@ -1880,28 +1825,26 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) else mv = pdo_min_voltage(pdo); - /* Select maximum available current within the sink pdo's limit */ + /* Select maximum available current within the board's power limit */ if (type == PDO_TYPE_BATT) { - mw = min_power(pdo, matching_snk_pdo); - ma = 1000 * mw / mv; + mw = pdo_max_power(pdo); + ma = 1000 * min(mw, port->max_snk_mw) / mv; } else { - ma = min_current(pdo, matching_snk_pdo); - mw = ma * mv / 1000; + ma = min(pdo_max_current(pdo), + 1000 * port->max_snk_mw / mv); } + ma = min(ma, port->max_snk_ma); flags = RDO_USB_COMM | RDO_NO_SUSPEND; /* Set mismatch bit if offered power is less than operating power */ + mw = ma * mv / 1000; max_ma = ma; max_mw = mw; if (mw < port->operating_snk_mw) { flags |= RDO_CAP_MISMATCH; - if (type == PDO_TYPE_BATT && - (pdo_max_power(matching_snk_pdo) > pdo_max_power(pdo))) - max_mw = pdo_max_power(matching_snk_pdo); - else if (pdo_max_current(matching_snk_pdo) > - pdo_max_current(pdo)) - max_ma = pdo_max_current(matching_snk_pdo); + max_mw = port->operating_snk_mw; + max_ma = max_mw * 1000 / mv; } tcpm_log(port, "cc=%d cc1=%d cc2=%d vbus=%d vconn=%s polarity=%d", @@ -1910,16 +1853,16 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) port->polarity); if (type == PDO_TYPE_BATT) { - *rdo = RDO_BATT(src_pdo_index + 1, mw, max_mw, flags); + *rdo = RDO_BATT(index + 1, mw, max_mw, flags); tcpm_log(port, "Requesting PDO %d: %u mV, %u mW%s", - src_pdo_index, mv, mw, + index, mv, mw, flags & RDO_CAP_MISMATCH ? " [mismatch]" : ""); } else { - *rdo = RDO_FIXED(src_pdo_index + 1, ma, max_ma, flags); + *rdo = RDO_FIXED(index + 1, ma, max_ma, flags); tcpm_log(port, "Requesting PDO %d: %u mV, %u mA%s", - src_pdo_index, mv, ma, + index, mv, ma, flags & RDO_CAP_MISMATCH ? " [mismatch]" : ""); } @@ -3650,19 +3593,6 @@ int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, } EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities); -static int nr_type_pdos(const u32 *pdo, unsigned int nr_pdo, - enum pd_pdo_type type) -{ - int count = 0; - int i; - - for (i = 0; i < nr_pdo; i++) { - if (pdo_type(pdo[i]) == type) - count++; - } - return count; -} - struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) { struct tcpm_port *port; @@ -3708,15 +3638,6 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) tcpc->config->nr_src_pdo); port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcpc->config->snk_pdo, tcpc->config->nr_snk_pdo); - port->nr_fixed = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_FIXED); - port->nr_var = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_VAR); - port->nr_batt = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_BATT); port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcpc->config->snk_vdo, tcpc->config->nr_snk_vdo); diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index 49e5524..dd8ef36 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -73,6 +73,7 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a goto err; sdev->ud.tcp_socket = socket; + sdev->ud.sockfd = sockfd; spin_unlock_irq(&sdev->ud.lock); @@ -172,6 +173,7 @@ static void stub_shutdown_connection(struct usbip_device *ud) if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); ud->tcp_socket = NULL; + ud->sockfd = -1; } /* 3. free used data */ @@ -266,6 +268,7 @@ static struct stub_device *stub_device_alloc(struct usb_device *udev) sdev->ud.status = SDEV_ST_AVAILABLE; spin_lock_init(&sdev->ud.lock); sdev->ud.tcp_socket = NULL; + sdev->ud.sockfd = -1; INIT_LIST_HEAD(&sdev->priv_init); INIT_LIST_HEAD(&sdev->priv_tx); diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index c3e1008..20e3d46 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -984,6 +984,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud) if (vdev->ud.tcp_socket) { sockfd_put(vdev->ud.tcp_socket); vdev->ud.tcp_socket = NULL; + vdev->ud.sockfd = -1; } pr_info("release socket\n"); @@ -1030,6 +1031,7 @@ static void vhci_device_reset(struct usbip_device *ud) if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); ud->tcp_socket = NULL; + ud->sockfd = -1; } ud->status = VDEV_ST_NULL; diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c index d86f72b..6dcd3ff 100644 --- a/drivers/usb/usbip/vudc_sysfs.c +++ b/drivers/usb/usbip/vudc_sysfs.c @@ -105,10 +105,14 @@ static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *a if (rv != 0) return -EINVAL; + if (!udc) { + dev_err(dev, "no device"); + return -ENODEV; + } spin_lock_irqsave(&udc->lock, flags); /* Don't export what we don't have */ - if (!udc || !udc->driver || !udc->pullup) { - dev_err(dev, "no device or gadget not bound"); + if (!udc->driver || !udc->pullup) { + dev_err(dev, "gadget not bound"); ret = -ENODEV; goto unlock; } diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index b0f7594..8a1508a 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -207,9 +207,6 @@ static bool vfio_pci_nointx(struct pci_dev *pdev) } } - if (!pdev->irq) - return true; - return false; } diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index e30e29a..45657e2 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -338,11 +338,12 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr, { struct page *page[1]; struct vm_area_struct *vma; + struct vm_area_struct *vmas[1]; int ret; if (mm == current->mm) { - ret = get_user_pages_fast(vaddr, 1, !!(prot & IOMMU_WRITE), - page); + ret = get_user_pages_longterm(vaddr, 1, !!(prot & IOMMU_WRITE), + page, vmas); } else { unsigned int flags = 0; @@ -351,7 +352,18 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr, down_read(&mm->mmap_sem); ret = get_user_pages_remote(NULL, mm, vaddr, 1, flags, page, - NULL, NULL); + vmas, NULL); + /* + * The lifetime of a vaddr_get_pfn() page pin is + * userspace-controlled. In the fs-dax case this could + * lead to indefinite stalls in filesystem operations. + * Disallow attempts to pin fs-dax pages via this + * interface. + */ + if (ret > 0 && vma_is_fsdax(vmas[0])) { + ret = -EOPNOTSUPP; + put_page(page[0]); + } up_read(&mm->mmap_sem); } diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 610cba2..8139bc7 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -170,7 +170,7 @@ static void vhost_net_buf_unproduce(struct vhost_net_virtqueue *nvq) if (nvq->rx_ring && !vhost_net_buf_is_empty(rxq)) { ptr_ring_unconsume(nvq->rx_ring, rxq->queue + rxq->head, vhost_net_buf_get_size(rxq), - __skb_array_destroy_skb); + tun_ptr_free); rxq->head = rxq->tail = 0; } } @@ -948,6 +948,7 @@ static int vhost_net_open(struct inode *inode, struct file *f) n->vqs[i].done_idx = 0; n->vqs[i].vhost_hlen = 0; n->vqs[i].sock_hlen = 0; + n->vqs[i].rx_ring = NULL; vhost_net_buf_init(&n->vqs[i].rxq); } vhost_dev_init(dev, vqs, VHOST_NET_VQ_MAX); @@ -972,6 +973,7 @@ static struct socket *vhost_net_stop_vq(struct vhost_net *n, vhost_net_disable_vq(n, vq); vq->private_data = NULL; vhost_net_buf_unproduce(nvq); + nvq->rx_ring = NULL; mutex_unlock(&vq->mutex); return sock; } @@ -1161,14 +1163,14 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) vhost_net_disable_vq(n, vq); vq->private_data = sock; vhost_net_buf_unproduce(nvq); - if (index == VHOST_NET_VQ_RX) - nvq->rx_ring = get_tap_ptr_ring(fd); r = vhost_vq_init_access(vq); if (r) goto err_used; r = vhost_net_enable_vq(n, vq); if (r) goto err_used; + if (index == VHOST_NET_VQ_RX) + nvq->rx_ring = get_tap_ptr_ring(fd); oldubufs = nvq->ubufs; nvq->ubufs = ubufs; diff --git a/drivers/video/fbdev/geode/video_gx.c b/drivers/video/fbdev/geode/video_gx.c index 6082f65..67773e8 100644 --- a/drivers/video/fbdev/geode/video_gx.c +++ b/drivers/video/fbdev/geode/video_gx.c @@ -127,7 +127,7 @@ void gx_set_dclk_frequency(struct fb_info *info) int timeout = 1000; /* Rev. 1 Geode GXs use a 14 MHz reference clock instead of 48 MHz. */ - if (cpu_data(0).x86_mask == 1) { + if (cpu_data(0).x86_stepping == 1) { pll_table = gx_pll_table_14MHz; pll_table_len = ARRAY_SIZE(gx_pll_table_14MHz); } else { diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c index af6fc97..a436d44 100644 --- a/drivers/video/fbdev/sbuslib.c +++ b/drivers/video/fbdev/sbuslib.c @@ -122,7 +122,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg, unsigned char __user *ured; unsigned char __user *ugreen; unsigned char __user *ublue; - int index, count, i; + unsigned int index, count, i; if (get_user(index, &c->index) || __get_user(count, &c->count) || @@ -161,7 +161,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg, unsigned char __user *ugreen; unsigned char __user *ublue; struct fb_cmap *cmap = &info->cmap; - int index, count, i; + unsigned int index, count, i; u8 red, green, blue; if (get_user(index, &c->index) || diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index eb30f3e..71458f4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -428,8 +428,6 @@ unmap_release: i = virtio16_to_cpu(_vq->vdev, vq->vring.desc[i].next); } - vq->vq.num_free += total_sg; - if (indirect) kfree(desc); diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index aff773b..37460cd 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -226,6 +226,7 @@ config ZIIRAVE_WATCHDOG config RAVE_SP_WATCHDOG tristate "RAVE SP Watchdog timer" depends on RAVE_SP_CORE + depends on NVMEM || !NVMEM select WATCHDOG_CORE help Support for the watchdog on RAVE SP device. @@ -903,6 +904,7 @@ config F71808E_WDT config SP5100_TCO tristate "AMD/ATI SP5100 TCO Timer/Watchdog" depends on X86 && PCI + select WATCHDOG_CORE ---help--- Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO (Total Cost of Ownership) timer is a watchdog timer that will reboot @@ -1008,6 +1010,7 @@ config WAFER_WDT config I6300ESB_WDT tristate "Intel 6300ESB Timer/Watchdog" depends on PCI + select WATCHDOG_CORE ---help--- Hardware driver for the watchdog timer built into the Intel 6300ESB controller hub. @@ -1837,6 +1840,7 @@ config WATCHDOG_SUN4V config XEN_WDT tristate "Xen Watchdog support" depends on XEN + select WATCHDOG_CORE help Say Y here to support the hypervisor watchdog capability provided by Xen 4.0 and newer. The watchdog timeout period is normally one diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c index e0678c1..3a33c53 100644 --- a/drivers/watchdog/f71808e_wdt.c +++ b/drivers/watchdog/f71808e_wdt.c @@ -566,7 +566,8 @@ static ssize_t watchdog_write(struct file *file, const char __user *buf, char c; if (get_user(c, buf + i)) return -EFAULT; - expect_close = (c == 'V'); + if (c == 'V') + expect_close = true; } /* Properly order writes across fork()ed processes */ diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index f1f00df..b0a1580 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -28,16 +28,7 @@ #include <linux/types.h> #include <linux/uaccess.h> #include <linux/watchdog.h> -#ifdef CONFIG_HPWDT_NMI_DECODING -#include <linux/dmi.h> -#include <linux/spinlock.h> -#include <linux/nmi.h> -#include <linux/kdebug.h> -#include <linux/notifier.h> -#include <asm/set_memory.h> -#endif /* CONFIG_HPWDT_NMI_DECODING */ #include <asm/nmi.h> -#include <asm/frame.h> #define HPWDT_VERSION "1.4.0" #define SECS_TO_TICKS(secs) ((secs) * 1000 / 128) @@ -48,6 +39,9 @@ static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */ static unsigned int reload; /* the computed soft_margin */ static bool nowayout = WATCHDOG_NOWAYOUT; +#ifdef CONFIG_HPWDT_NMI_DECODING +static unsigned int allow_kdump = 1; +#endif static char expect_release; static unsigned long hpwdt_is_open; @@ -63,373 +57,6 @@ static const struct pci_device_id hpwdt_devices[] = { }; MODULE_DEVICE_TABLE(pci, hpwdt_devices); -#ifdef CONFIG_HPWDT_NMI_DECODING -#define PCI_BIOS32_SD_VALUE 0x5F32335F /* "_32_" */ -#define CRU_BIOS_SIGNATURE_VALUE 0x55524324 -#define PCI_BIOS32_PARAGRAPH_LEN 16 -#define PCI_ROM_BASE1 0x000F0000 -#define ROM_SIZE 0x10000 - -struct bios32_service_dir { - u32 signature; - u32 entry_point; - u8 revision; - u8 length; - u8 checksum; - u8 reserved[5]; -}; - -/* type 212 */ -struct smbios_cru64_info { - u8 type; - u8 byte_length; - u16 handle; - u32 signature; - u64 physical_address; - u32 double_length; - u32 double_offset; -}; -#define SMBIOS_CRU64_INFORMATION 212 - -/* type 219 */ -struct smbios_proliant_info { - u8 type; - u8 byte_length; - u16 handle; - u32 power_features; - u32 omega_features; - u32 reserved; - u32 misc_features; -}; -#define SMBIOS_ICRU_INFORMATION 219 - - -struct cmn_registers { - union { - struct { - u8 ral; - u8 rah; - u16 rea2; - }; - u32 reax; - } u1; - union { - struct { - u8 rbl; - u8 rbh; - u8 reb2l; - u8 reb2h; - }; - u32 rebx; - } u2; - union { - struct { - u8 rcl; - u8 rch; - u16 rec2; - }; - u32 recx; - } u3; - union { - struct { - u8 rdl; - u8 rdh; - u16 red2; - }; - u32 redx; - } u4; - - u32 resi; - u32 redi; - u16 rds; - u16 res; - u32 reflags; -} __attribute__((packed)); - -static unsigned int hpwdt_nmi_decoding; -static unsigned int allow_kdump = 1; -static unsigned int is_icru; -static unsigned int is_uefi; -static DEFINE_SPINLOCK(rom_lock); -static void *cru_rom_addr; -static struct cmn_registers cmn_regs; - -extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs, - unsigned long *pRomEntry); - -#ifdef CONFIG_X86_32 -/* --32 Bit Bios------------------------------------------------------------ */ - -#define HPWDT_ARCH 32 - -asm(".text \n\t" - ".align 4 \n\t" - ".globl asminline_call \n" - "asminline_call: \n\t" - "pushl %ebp \n\t" - "movl %esp, %ebp \n\t" - "pusha \n\t" - "pushf \n\t" - "push %es \n\t" - "push %ds \n\t" - "pop %es \n\t" - "movl 8(%ebp),%eax \n\t" - "movl 4(%eax),%ebx \n\t" - "movl 8(%eax),%ecx \n\t" - "movl 12(%eax),%edx \n\t" - "movl 16(%eax),%esi \n\t" - "movl 20(%eax),%edi \n\t" - "movl (%eax),%eax \n\t" - "push %cs \n\t" - "call *12(%ebp) \n\t" - "pushf \n\t" - "pushl %eax \n\t" - "movl 8(%ebp),%eax \n\t" - "movl %ebx,4(%eax) \n\t" - "movl %ecx,8(%eax) \n\t" - "movl %edx,12(%eax) \n\t" - "movl %esi,16(%eax) \n\t" - "movl %edi,20(%eax) \n\t" - "movw %ds,24(%eax) \n\t" - "movw %es,26(%eax) \n\t" - "popl %ebx \n\t" - "movl %ebx,(%eax) \n\t" - "popl %ebx \n\t" - "movl %ebx,28(%eax) \n\t" - "pop %es \n\t" - "popf \n\t" - "popa \n\t" - "leave \n\t" - "ret \n\t" - ".previous"); - - -/* - * cru_detect - * - * Routine Description: - * This function uses the 32-bit BIOS Service Directory record to - * search for a $CRU record. - * - * Return Value: - * 0 : SUCCESS - * <0 : FAILURE - */ -static int cru_detect(unsigned long map_entry, - unsigned long map_offset) -{ - void *bios32_map; - unsigned long *bios32_entrypoint; - unsigned long cru_physical_address; - unsigned long cru_length; - unsigned long physical_bios_base = 0; - unsigned long physical_bios_offset = 0; - int retval = -ENODEV; - - bios32_map = ioremap(map_entry, (2 * PAGE_SIZE)); - - if (bios32_map == NULL) - return -ENODEV; - - bios32_entrypoint = bios32_map + map_offset; - - cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE; - - set_memory_x((unsigned long)bios32_map, 2); - asminline_call(&cmn_regs, bios32_entrypoint); - - if (cmn_regs.u1.ral != 0) { - pr_warn("Call succeeded but with an error: 0x%x\n", - cmn_regs.u1.ral); - } else { - physical_bios_base = cmn_regs.u2.rebx; - physical_bios_offset = cmn_regs.u4.redx; - cru_length = cmn_regs.u3.recx; - cru_physical_address = - physical_bios_base + physical_bios_offset; - - /* If the values look OK, then map it in. */ - if ((physical_bios_base + physical_bios_offset)) { - cru_rom_addr = - ioremap(cru_physical_address, cru_length); - if (cru_rom_addr) { - set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK, - (cru_length + PAGE_SIZE - 1) >> PAGE_SHIFT); - retval = 0; - } - } - - pr_debug("CRU Base Address: 0x%lx\n", physical_bios_base); - pr_debug("CRU Offset Address: 0x%lx\n", physical_bios_offset); - pr_debug("CRU Length: 0x%lx\n", cru_length); - pr_debug("CRU Mapped Address: %p\n", &cru_rom_addr); - } - iounmap(bios32_map); - return retval; -} - -/* - * bios_checksum - */ -static int bios_checksum(const char __iomem *ptr, int len) -{ - char sum = 0; - int i; - - /* - * calculate checksum of size bytes. This should add up - * to zero if we have a valid header. - */ - for (i = 0; i < len; i++) - sum += ptr[i]; - - return ((sum == 0) && (len > 0)); -} - -/* - * bios32_present - * - * Routine Description: - * This function finds the 32-bit BIOS Service Directory - * - * Return Value: - * 0 : SUCCESS - * <0 : FAILURE - */ -static int bios32_present(const char __iomem *p) -{ - struct bios32_service_dir *bios_32_ptr; - int length; - unsigned long map_entry, map_offset; - - bios_32_ptr = (struct bios32_service_dir *) p; - - /* - * Search for signature by checking equal to the swizzled value - * instead of calling another routine to perform a strcmp. - */ - if (bios_32_ptr->signature == PCI_BIOS32_SD_VALUE) { - length = bios_32_ptr->length * PCI_BIOS32_PARAGRAPH_LEN; - if (bios_checksum(p, length)) { - /* - * According to the spec, we're looking for the - * first 4KB-aligned address below the entrypoint - * listed in the header. The Service Directory code - * is guaranteed to occupy no more than 2 4KB pages. - */ - map_entry = bios_32_ptr->entry_point & ~(PAGE_SIZE - 1); - map_offset = bios_32_ptr->entry_point - map_entry; - - return cru_detect(map_entry, map_offset); - } - } - return -ENODEV; -} - -static int detect_cru_service(void) -{ - char __iomem *p, *q; - int rc = -1; - - /* - * Search from 0x0f0000 through 0x0fffff, inclusive. - */ - p = ioremap(PCI_ROM_BASE1, ROM_SIZE); - if (p == NULL) - return -ENOMEM; - - for (q = p; q < p + ROM_SIZE; q += 16) { - rc = bios32_present(q); - if (!rc) - break; - } - iounmap(p); - return rc; -} -/* ------------------------------------------------------------------------- */ -#endif /* CONFIG_X86_32 */ -#ifdef CONFIG_X86_64 -/* --64 Bit Bios------------------------------------------------------------ */ - -#define HPWDT_ARCH 64 - -asm(".text \n\t" - ".align 4 \n\t" - ".globl asminline_call \n\t" - ".type asminline_call, @function \n\t" - "asminline_call: \n\t" - FRAME_BEGIN - "pushq %rax \n\t" - "pushq %rbx \n\t" - "pushq %rdx \n\t" - "pushq %r12 \n\t" - "pushq %r9 \n\t" - "movq %rsi, %r12 \n\t" - "movq %rdi, %r9 \n\t" - "movl 4(%r9),%ebx \n\t" - "movl 8(%r9),%ecx \n\t" - "movl 12(%r9),%edx \n\t" - "movl 16(%r9),%esi \n\t" - "movl 20(%r9),%edi \n\t" - "movl (%r9),%eax \n\t" - "call *%r12 \n\t" - "pushfq \n\t" - "popq %r12 \n\t" - "movl %eax, (%r9) \n\t" - "movl %ebx, 4(%r9) \n\t" - "movl %ecx, 8(%r9) \n\t" - "movl %edx, 12(%r9) \n\t" - "movl %esi, 16(%r9) \n\t" - "movl %edi, 20(%r9) \n\t" - "movq %r12, %rax \n\t" - "movl %eax, 28(%r9) \n\t" - "popq %r9 \n\t" - "popq %r12 \n\t" - "popq %rdx \n\t" - "popq %rbx \n\t" - "popq %rax \n\t" - FRAME_END - "ret \n\t" - ".previous"); - -/* - * dmi_find_cru - * - * Routine Description: - * This function checks whether or not a SMBIOS/DMI record is - * the 64bit CRU info or not - */ -static void dmi_find_cru(const struct dmi_header *dm, void *dummy) -{ - struct smbios_cru64_info *smbios_cru64_ptr; - unsigned long cru_physical_address; - - if (dm->type == SMBIOS_CRU64_INFORMATION) { - smbios_cru64_ptr = (struct smbios_cru64_info *) dm; - if (smbios_cru64_ptr->signature == CRU_BIOS_SIGNATURE_VALUE) { - cru_physical_address = - smbios_cru64_ptr->physical_address + - smbios_cru64_ptr->double_offset; - cru_rom_addr = ioremap(cru_physical_address, - smbios_cru64_ptr->double_length); - set_memory_x((unsigned long)cru_rom_addr & PAGE_MASK, - smbios_cru64_ptr->double_length >> PAGE_SHIFT); - } - } -} - -static int detect_cru_service(void) -{ - cru_rom_addr = NULL; - - dmi_walk(dmi_find_cru, NULL); - - /* if cru_rom_addr has been set then we found a CRU service */ - return ((cru_rom_addr != NULL) ? 0 : -ENODEV); -} -/* ------------------------------------------------------------------------- */ -#endif /* CONFIG_X86_64 */ -#endif /* CONFIG_HPWDT_NMI_DECODING */ /* * Watchdog operations @@ -486,30 +113,12 @@ static int hpwdt_my_nmi(void) */ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs) { - unsigned long rom_pl; - static int die_nmi_called; - - if (!hpwdt_nmi_decoding) - return NMI_DONE; - if ((ulReason == NMI_UNKNOWN) && !hpwdt_my_nmi()) return NMI_DONE; - spin_lock_irqsave(&rom_lock, rom_pl); - if (!die_nmi_called && !is_icru && !is_uefi) - asminline_call(&cmn_regs, cru_rom_addr); - die_nmi_called = 1; - spin_unlock_irqrestore(&rom_lock, rom_pl); - if (allow_kdump) hpwdt_stop(); - if (!is_icru && !is_uefi) { - if (cmn_regs.u1.ral == 0) { - nmi_panic(regs, "An NMI occurred, but unable to determine source.\n"); - return NMI_HANDLED; - } - } nmi_panic(regs, "An NMI occurred. Depending on your system the reason " "for the NMI is logged in any one of the following " "resources:\n" @@ -675,84 +284,11 @@ static struct miscdevice hpwdt_miscdev = { * Init & Exit */ -#ifdef CONFIG_HPWDT_NMI_DECODING -#ifdef CONFIG_X86_LOCAL_APIC -static void hpwdt_check_nmi_decoding(struct pci_dev *dev) -{ - /* - * If nmi_watchdog is turned off then we can turn on - * our nmi decoding capability. - */ - hpwdt_nmi_decoding = 1; -} -#else -static void hpwdt_check_nmi_decoding(struct pci_dev *dev) -{ - dev_warn(&dev->dev, "NMI decoding is disabled. " - "Your kernel does not support a NMI Watchdog.\n"); -} -#endif /* CONFIG_X86_LOCAL_APIC */ - -/* - * dmi_find_icru - * - * Routine Description: - * This function checks whether or not we are on an iCRU-based server. - * This check is independent of architecture and needs to be made for - * any ProLiant system. - */ -static void dmi_find_icru(const struct dmi_header *dm, void *dummy) -{ - struct smbios_proliant_info *smbios_proliant_ptr; - - if (dm->type == SMBIOS_ICRU_INFORMATION) { - smbios_proliant_ptr = (struct smbios_proliant_info *) dm; - if (smbios_proliant_ptr->misc_features & 0x01) - is_icru = 1; - if (smbios_proliant_ptr->misc_features & 0x1400) - is_uefi = 1; - } -} static int hpwdt_init_nmi_decoding(struct pci_dev *dev) { +#ifdef CONFIG_HPWDT_NMI_DECODING int retval; - - /* - * On typical CRU-based systems we need to map that service in - * the BIOS. For 32 bit Operating Systems we need to go through - * the 32 Bit BIOS Service Directory. For 64 bit Operating - * Systems we get that service through SMBIOS. - * - * On systems that support the new iCRU service all we need to - * do is call dmi_walk to get the supported flag value and skip - * the old cru detect code. - */ - dmi_walk(dmi_find_icru, NULL); - if (!is_icru && !is_uefi) { - - /* - * We need to map the ROM to get the CRU service. - * For 32 bit Operating Systems we need to go through the 32 Bit - * BIOS Service Directory - * For 64 bit Operating Systems we get that service through SMBIOS. - */ - retval = detect_cru_service(); - if (retval < 0) { - dev_warn(&dev->dev, - "Unable to detect the %d Bit CRU Service.\n", - HPWDT_ARCH); - return retval; - } - - /* - * We know this is the only CRU call we need to make so lets keep as - * few instructions as possible once the NMI comes in. - */ - cmn_regs.u1.rah = 0x0D; - cmn_regs.u1.ral = 0x02; - } - /* * Only one function can register for NMI_UNKNOWN */ @@ -780,45 +316,26 @@ error: dev_warn(&dev->dev, "Unable to register a die notifier (err=%d).\n", retval); - if (cru_rom_addr) - iounmap(cru_rom_addr); return retval; +#endif /* CONFIG_HPWDT_NMI_DECODING */ + return 0; } static void hpwdt_exit_nmi_decoding(void) { +#ifdef CONFIG_HPWDT_NMI_DECODING unregister_nmi_handler(NMI_UNKNOWN, "hpwdt"); unregister_nmi_handler(NMI_SERR, "hpwdt"); unregister_nmi_handler(NMI_IO_CHECK, "hpwdt"); - if (cru_rom_addr) - iounmap(cru_rom_addr); -} -#else /* !CONFIG_HPWDT_NMI_DECODING */ -static void hpwdt_check_nmi_decoding(struct pci_dev *dev) -{ -} - -static int hpwdt_init_nmi_decoding(struct pci_dev *dev) -{ - return 0; +#endif } -static void hpwdt_exit_nmi_decoding(void) -{ -} -#endif /* CONFIG_HPWDT_NMI_DECODING */ - static int hpwdt_init_one(struct pci_dev *dev, const struct pci_device_id *ent) { int retval; /* - * Check if we can do NMI decoding or not - */ - hpwdt_check_nmi_decoding(dev); - - /* * First let's find out if we are on an iLO2+ server. We will * not run on a legacy ASM box. * So we only support the G5 ProLiant servers and higher. @@ -922,6 +439,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" #ifdef CONFIG_HPWDT_NMI_DECODING module_param(allow_kdump, int, 0); MODULE_PARM_DESC(allow_kdump, "Start a kernel dump after NMI occurs"); -#endif /* !CONFIG_HPWDT_NMI_DECODING */ +#endif /* CONFIG_HPWDT_NMI_DECODING */ module_pci_driver(hpwdt_driver); diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c index 316c2eb..e8bd988 100644 --- a/drivers/watchdog/sbsa_gwdt.c +++ b/drivers/watchdog/sbsa_gwdt.c @@ -50,6 +50,7 @@ */ #include <linux/io.h> +#include <linux/io-64-nonatomic-lo-hi.h> #include <linux/interrupt.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -159,7 +160,7 @@ static unsigned int sbsa_gwdt_get_timeleft(struct watchdog_device *wdd) !(readl(gwdt->control_base + SBSA_GWDT_WCS) & SBSA_GWDT_WCS_WS0)) timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR); - timeleft += readq(gwdt->control_base + SBSA_GWDT_WCV) - + timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) - arch_counter_get_cntvct(); do_div(timeleft, gwdt->clk); diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c index 6d1fbda..0da9943 100644 --- a/drivers/watchdog/wdat_wdt.c +++ b/drivers/watchdog/wdat_wdt.c @@ -392,7 +392,7 @@ static int wdat_wdt_probe(struct platform_device *pdev) memset(&r, 0, sizeof(r)); r.start = gas->address; - r.end = r.start + gas->access_width; + r.end = r.start + gas->access_width - 1; if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { r.flags = IORESOURCE_MEM; } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 1ab4bd1..762378f 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -755,8 +755,8 @@ out: mutex_unlock(&irq_mapping_update_lock); return irq; error_irq: - for (; i >= 0; i--) - __unbind_from_irq(irq + i); + while (nvec--) + __unbind_from_irq(irq + nvec); mutex_unlock(&irq_mapping_update_lock); return ret; } diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 156e5ae..b1092fb 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -416,7 +416,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev, sock); if (!map) { ret = -EFAULT; - sock_release(map->sock); + sock_release(sock); } out: diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 753d9cb..2f11ca7 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -60,6 +60,7 @@ struct sock_mapping { bool active_socket; struct list_head list; struct socket *sock; + atomic_t refcount; union { struct { int irq; @@ -72,20 +73,25 @@ struct sock_mapping { wait_queue_head_t inflight_conn_req; } active; struct { - /* Socket status */ + /* + * Socket status, needs to be 64-bit aligned due to the + * test_and_* functions which have this requirement on arm64. + */ #define PVCALLS_STATUS_UNINITALIZED 0 #define PVCALLS_STATUS_BIND 1 #define PVCALLS_STATUS_LISTEN 2 - uint8_t status; + uint8_t status __attribute__((aligned(8))); /* * Internal state-machine flags. * Only one accept operation can be inflight for a socket. * Only one poll operation can be inflight for a given socket. + * flags needs to be 64-bit aligned due to the test_and_* + * functions which have this requirement on arm64. */ #define PVCALLS_FLAG_ACCEPT_INFLIGHT 0 #define PVCALLS_FLAG_POLL_INFLIGHT 1 #define PVCALLS_FLAG_POLL_RET 2 - uint8_t flags; + uint8_t flags __attribute__((aligned(8))); uint32_t inflight_req_id; struct sock_mapping *accept_map; wait_queue_head_t inflight_accept_req; @@ -93,6 +99,32 @@ struct sock_mapping { }; }; +static inline struct sock_mapping *pvcalls_enter_sock(struct socket *sock) +{ + struct sock_mapping *map; + + if (!pvcalls_front_dev || + dev_get_drvdata(&pvcalls_front_dev->dev) == NULL) + return ERR_PTR(-ENOTCONN); + + map = (struct sock_mapping *)sock->sk->sk_send_head; + if (map == NULL) + return ERR_PTR(-ENOTSOCK); + + pvcalls_enter(); + atomic_inc(&map->refcount); + return map; +} + +static inline void pvcalls_exit_sock(struct socket *sock) +{ + struct sock_mapping *map; + + map = (struct sock_mapping *)sock->sk->sk_send_head; + atomic_dec(&map->refcount); + pvcalls_exit(); +} + static inline int get_request(struct pvcalls_bedata *bedata, int *req_id) { *req_id = bedata->ring.req_prod_pvt & (RING_SIZE(&bedata->ring) - 1); @@ -369,31 +401,23 @@ int pvcalls_front_connect(struct socket *sock, struct sockaddr *addr, if (addr->sa_family != AF_INET || sock->type != SOCK_STREAM) return -EOPNOTSUPP; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *)sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return -ENOTSOCK; - } - spin_lock(&bedata->socket_lock); ret = get_request(bedata, &req_id); if (ret < 0) { spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } ret = create_active(map, &evtchn); if (ret < 0) { spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -423,7 +447,7 @@ int pvcalls_front_connect(struct socket *sock, struct sockaddr *addr, smp_rmb(); ret = bedata->rsp[req_id].ret; bedata->rsp[req_id].req_id = PVCALLS_INVALID_ID; - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -488,23 +512,15 @@ int pvcalls_front_sendmsg(struct socket *sock, struct msghdr *msg, if (flags & (MSG_CONFIRM|MSG_DONTROUTE|MSG_EOR|MSG_OOB)) return -EOPNOTSUPP; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return -ENOTSOCK; - } - mutex_lock(&map->active.out_mutex); if ((flags & MSG_DONTWAIT) && !pvcalls_front_write_todo(map)) { mutex_unlock(&map->active.out_mutex); - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EAGAIN; } if (len > INT_MAX) @@ -526,7 +542,7 @@ again: tot_sent = sent; mutex_unlock(&map->active.out_mutex); - pvcalls_exit(); + pvcalls_exit_sock(sock); return tot_sent; } @@ -591,19 +607,11 @@ int pvcalls_front_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, if (flags & (MSG_CMSG_CLOEXEC|MSG_ERRQUEUE|MSG_OOB|MSG_TRUNC)) return -EOPNOTSUPP; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return -ENOTSOCK; - } - mutex_lock(&map->active.in_mutex); if (len > XEN_FLEX_RING_SIZE(PVCALLS_RING_ORDER)) len = XEN_FLEX_RING_SIZE(PVCALLS_RING_ORDER); @@ -623,7 +631,7 @@ int pvcalls_front_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, ret = 0; mutex_unlock(&map->active.in_mutex); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -637,24 +645,16 @@ int pvcalls_front_bind(struct socket *sock, struct sockaddr *addr, int addr_len) if (addr->sa_family != AF_INET || sock->type != SOCK_STREAM) return -EOPNOTSUPP; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (map == NULL) { - pvcalls_exit(); - return -ENOTSOCK; - } - spin_lock(&bedata->socket_lock); ret = get_request(bedata, &req_id); if (ret < 0) { spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } req = RING_GET_REQUEST(&bedata->ring, req_id); @@ -684,7 +684,7 @@ int pvcalls_front_bind(struct socket *sock, struct sockaddr *addr, int addr_len) bedata->rsp[req_id].req_id = PVCALLS_INVALID_ID; map->passive.status = PVCALLS_STATUS_BIND; - pvcalls_exit(); + pvcalls_exit_sock(sock); return 0; } @@ -695,21 +695,13 @@ int pvcalls_front_listen(struct socket *sock, int backlog) struct xen_pvcalls_request *req; int notify, req_id, ret; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return -ENOTSOCK; - } - if (map->passive.status != PVCALLS_STATUS_BIND) { - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EOPNOTSUPP; } @@ -717,7 +709,7 @@ int pvcalls_front_listen(struct socket *sock, int backlog) ret = get_request(bedata, &req_id); if (ret < 0) { spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } req = RING_GET_REQUEST(&bedata->ring, req_id); @@ -741,7 +733,7 @@ int pvcalls_front_listen(struct socket *sock, int backlog) bedata->rsp[req_id].req_id = PVCALLS_INVALID_ID; map->passive.status = PVCALLS_STATUS_LISTEN; - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -753,21 +745,13 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) struct xen_pvcalls_request *req; int notify, req_id, ret, evtchn, nonblock; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -ENOTCONN; - } + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) + return PTR_ERR(map); bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return -ENOTSOCK; - } - if (map->passive.status != PVCALLS_STATUS_LISTEN) { - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EINVAL; } @@ -785,13 +769,13 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) goto received; } if (nonblock) { - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EAGAIN; } if (wait_event_interruptible(map->passive.inflight_accept_req, !test_and_set_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags))) { - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EINTR; } } @@ -802,7 +786,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } map2 = kzalloc(sizeof(*map2), GFP_ATOMIC); @@ -810,7 +794,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return -ENOMEM; } ret = create_active(map2, &evtchn); @@ -819,7 +803,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } list_add_tail(&map2->list, &bedata->socket_mappings); @@ -841,13 +825,13 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags) /* We could check if we have received a response before returning. */ if (nonblock) { WRITE_ONCE(map->passive.inflight_req_id, req_id); - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EAGAIN; } if (wait_event_interruptible(bedata->inflight_req, READ_ONCE(bedata->rsp[req_id].req_id) == req_id)) { - pvcalls_exit(); + pvcalls_exit_sock(sock); return -EINTR; } /* read req_id, then the content */ @@ -862,7 +846,7 @@ received: clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); pvcalls_front_free_map(bedata, map2); - pvcalls_exit(); + pvcalls_exit_sock(sock); return -ENOMEM; } newsock->sk->sk_send_head = (void *)map2; @@ -874,7 +858,7 @@ received: clear_bit(PVCALLS_FLAG_ACCEPT_INFLIGHT, (void *)&map->passive.flags); wake_up(&map->passive.inflight_accept_req); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -965,23 +949,16 @@ __poll_t pvcalls_front_poll(struct file *file, struct socket *sock, struct sock_mapping *map; __poll_t ret; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) return EPOLLNVAL; - } bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (!map) { - pvcalls_exit(); - return EPOLLNVAL; - } if (map->active_socket) ret = pvcalls_front_poll_active(file, bedata, map, wait); else ret = pvcalls_front_poll_passive(file, bedata, map, wait); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } @@ -995,25 +972,20 @@ int pvcalls_front_release(struct socket *sock) if (sock->sk == NULL) return 0; - pvcalls_enter(); - if (!pvcalls_front_dev) { - pvcalls_exit(); - return -EIO; + map = pvcalls_enter_sock(sock); + if (IS_ERR(map)) { + if (PTR_ERR(map) == -ENOTCONN) + return -EIO; + else + return 0; } - bedata = dev_get_drvdata(&pvcalls_front_dev->dev); - map = (struct sock_mapping *) sock->sk->sk_send_head; - if (map == NULL) { - pvcalls_exit(); - return 0; - } - spin_lock(&bedata->socket_lock); ret = get_request(bedata, &req_id); if (ret < 0) { spin_unlock(&bedata->socket_lock); - pvcalls_exit(); + pvcalls_exit_sock(sock); return ret; } sock->sk->sk_send_head = NULL; @@ -1043,14 +1015,20 @@ int pvcalls_front_release(struct socket *sock) /* * We need to make sure that sendmsg/recvmsg on this socket have * not started before we've cleared sk_send_head here. The - * easiest (though not optimal) way to guarantee this is to see - * that no pvcall (other than us) is in progress. + * easiest way to guarantee this is to see that no pvcalls + * (other than us) is in progress on this socket. */ - while (atomic_read(&pvcalls_refcount) > 1) + while (atomic_read(&map->refcount) > 1) cpu_relax(); pvcalls_front_free_map(bedata, map); } else { + wake_up(&bedata->inflight_req); + wake_up(&map->passive.inflight_accept_req); + + while (atomic_read(&map->refcount) > 1) + cpu_relax(); + spin_lock(&bedata->socket_lock); list_del(&map->list); spin_unlock(&bedata->socket_lock); diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index bf13d1e..04e7b3b 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -284,6 +284,10 @@ static int tmem_frontswap_store(unsigned type, pgoff_t offset, int pool = tmem_frontswap_poolid; int ret; + /* THP isn't supported */ + if (PageTransHuge(page)) + return -1; + if (pool < 0) return -1; if (ind64 != ind) diff --git a/drivers/xen/xenbus/xenbus.h b/drivers/xen/xenbus/xenbus.h index 149c5e7..0929811 100644 --- a/drivers/xen/xenbus/xenbus.h +++ b/drivers/xen/xenbus/xenbus.h @@ -76,6 +76,7 @@ struct xb_req_data { struct list_head list; wait_queue_head_t wq; struct xsd_sockmsg msg; + uint32_t caller_req_id; enum xsd_sockmsg_type type; char *body; const struct kvec *vec; diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c index 5b081a0..d239fc3 100644 --- a/drivers/xen/xenbus/xenbus_comms.c +++ b/drivers/xen/xenbus/xenbus_comms.c @@ -309,6 +309,7 @@ static int process_msg(void) goto out; if (req->state == xb_req_state_wait_reply) { + req->msg.req_id = req->caller_req_id; req->msg.type = state.msg.type; req->msg.len = state.msg.len; req->body = state.body; diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 74888ca..ec9eb4f 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -466,8 +466,11 @@ int xenbus_probe_node(struct xen_bus_type *bus, /* Register with generic device framework. */ err = device_register(&xendev->dev); - if (err) + if (err) { + put_device(&xendev->dev); + xendev = NULL; goto fail; + } return 0; fail: diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index 3e59590..3f3b293 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -227,6 +227,8 @@ static void xs_send(struct xb_req_data *req, struct xsd_sockmsg *msg) req->state = xb_req_state_queued; init_waitqueue_head(&req->wq); + /* Save the caller req_id and restore it later in the reply */ + req->caller_req_id = req->msg.req_id; req->msg.req_id = xs_request_enter(req); mutex_lock(&xb_write_mutex); @@ -310,6 +312,7 @@ static void *xs_talkv(struct xenbus_transaction t, req->num_vecs = num_vecs; req->cb = xs_wake_up; + msg.req_id = 0; msg.tx_id = t.id; msg.type = type; msg.len = 0; |
