diff options
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r-- | drivers/scsi/ipr.c | 313 |
1 files changed, 261 insertions, 52 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2dde821..2d83fbb 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -79,7 +79,6 @@ #include <scsi/scsi_tcq.h> #include <scsi/scsi_eh.h> #include <scsi/scsi_cmnd.h> -#include <scsi/scsi_transport.h> #include "ipr.h" /* @@ -98,7 +97,7 @@ static DEFINE_SPINLOCK(ipr_driver_lock); /* This table describes the differences between DMA controller chips */ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { - { /* Gemstone, Citrine, and Obsidian */ + { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ .mailbox = 0x0042C, .cache_line_size = 0x20, { @@ -135,6 +134,7 @@ static const struct ipr_chip_t ipr_chip[] = { { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] } }; @@ -1249,19 +1249,23 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, /** * ipr_log_hex_data - Log additional hex IOA error data. + * @ioa_cfg: ioa config struct * @data: IOA error data * @len: data length * * Return value: * none **/ -static void ipr_log_hex_data(u32 *data, int len) +static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) { int i; if (len == 0) return; + if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) + len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); + for (i = 0; i < len / 4; i += 4) { ipr_err("%08X: %08X %08X %08X %08X\n", i*4, be32_to_cpu(data[i]), @@ -1290,7 +1294,7 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("%s\n", error->failure_reason); ipr_err("Remote Adapter VPD:\n"); ipr_log_ext_vpd(&error->vpd); - ipr_log_hex_data(error->data, + ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + offsetof(struct ipr_hostrcb_type_17_error, data))); @@ -1315,12 +1319,225 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("%s\n", error->failure_reason); ipr_err("Remote Adapter VPD:\n"); ipr_log_vpd(&error->vpd); - ipr_log_hex_data(error->data, + ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + offsetof(struct ipr_hostrcb_type_07_error, data))); } +static const struct { + u8 active; + char *desc; +} path_active_desc[] = { + { IPR_PATH_NO_INFO, "Path" }, + { IPR_PATH_ACTIVE, "Active path" }, + { IPR_PATH_NOT_ACTIVE, "Inactive path" } +}; + +static const struct { + u8 state; + char *desc; +} path_state_desc[] = { + { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, + { IPR_PATH_HEALTHY, "is healthy" }, + { IPR_PATH_DEGRADED, "is degraded" }, + { IPR_PATH_FAILED, "is failed" } +}; + +/** + * ipr_log_fabric_path - Log a fabric path error + * @hostrcb: hostrcb struct + * @fabric: fabric descriptor + * + * Return value: + * none + **/ +static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, + struct ipr_hostrcb_fabric_desc *fabric) +{ + int i, j; + u8 path_state = fabric->path_state; + u8 active = path_state & IPR_PATH_ACTIVE_MASK; + u8 state = path_state & IPR_PATH_STATE_MASK; + + for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { + if (path_active_desc[i].active != active) + continue; + + for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { + if (path_state_desc[j].state != state) + continue; + + if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port); + } else if (fabric->cascaded_expander == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->phy); + } else if (fabric->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->cascaded_expander); + } else { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->cascaded_expander, fabric->phy); + } + return; + } + } + + ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, + fabric->ioa_port, fabric->cascaded_expander, fabric->phy); +} + +static const struct { + u8 type; + char *desc; +} path_type_desc[] = { + { IPR_PATH_CFG_IOA_PORT, "IOA port" }, + { IPR_PATH_CFG_EXP_PORT, "Expander port" }, + { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, + { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } +}; + +static const struct { + u8 status; + char *desc; +} path_status_desc[] = { + { IPR_PATH_CFG_NO_PROB, "Functional" }, + { IPR_PATH_CFG_DEGRADED, "Degraded" }, + { IPR_PATH_CFG_FAILED, "Failed" }, + { IPR_PATH_CFG_SUSPECT, "Suspect" }, + { IPR_PATH_NOT_DETECTED, "Missing" }, + { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } +}; + +static const char *link_rate[] = { + "unknown", + "disabled", + "phy reset problem", + "spinup hold", + "port selector", + "unknown", + "unknown", + "unknown", + "1.5Gbps", + "3.0Gbps", + "unknown", + "unknown", + "unknown", + "unknown", + "unknown", + "unknown" +}; + +/** + * ipr_log_path_elem - Log a fabric path element. + * @hostrcb: hostrcb struct + * @cfg: fabric path element struct + * + * Return value: + * none + **/ +static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, + struct ipr_hostrcb_config_element *cfg) +{ + int i, j; + u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; + u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; + + if (type == IPR_PATH_CFG_NOT_EXIST) + return; + + for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { + if (path_type_desc[i].type != type) + continue; + + for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { + if (path_status_desc[j].status != status) + continue; + + if (type == IPR_PATH_CFG_IOA_PORT) { + ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", + path_status_desc[j].desc, path_type_desc[i].desc, + cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else { + if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", + path_status_desc[j].desc, path_type_desc[i].desc, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else if (cfg->cascaded_expander == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else if (cfg->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->cascaded_expander, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else { + ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } + } + return; + } + } + + ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " + "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); +} + +/** + * ipr_log_fabric_error - Log a fabric error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + struct ipr_hostrcb_type_20_error *error; + struct ipr_hostrcb_fabric_desc *fabric; + struct ipr_hostrcb_config_element *cfg; + int i, add_len; + + error = &hostrcb->hcam.u.error.u.type_20_error; + error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); + + add_len = be32_to_cpu(hostrcb->hcam.length) - + (offsetof(struct ipr_hostrcb_error, u) + + offsetof(struct ipr_hostrcb_type_20_error, desc)); + + for (i = 0, fabric = error->desc; i < error->num_entries; i++) { + ipr_log_fabric_path(hostrcb, fabric); + for_each_fabric_cfg(fabric, cfg) + ipr_log_path_elem(hostrcb, cfg); + + add_len -= be16_to_cpu(fabric->length); + fabric = (struct ipr_hostrcb_fabric_desc *) + ((unsigned long)fabric + be16_to_cpu(fabric->length)); + } + + ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); +} + /** * ipr_log_generic_error - Log an adapter error. * @ioa_cfg: ioa config struct @@ -1332,7 +1549,7 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, struct ipr_hostrcb *hostrcb) { - ipr_log_hex_data(hostrcb->hcam.u.raw.data, + ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, be32_to_cpu(hostrcb->hcam.length)); } @@ -1394,13 +1611,7 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, if (!ipr_error_table[error_index].log_hcam) return; - if (ipr_is_device(&hostrcb->hcam.u.error.failing_dev_res_addr)) { - ipr_ra_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr, - "%s\n", ipr_error_table[error_index].error); - } else { - dev_err(&ioa_cfg->pdev->dev, "%s\n", - ipr_error_table[error_index].error); - } + ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); /* Set indication we have logged an error */ ioa_cfg->errors_logged++; @@ -1437,6 +1648,9 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, case IPR_HOST_RCB_OVERLAY_ID_17: ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); break; + case IPR_HOST_RCB_OVERLAY_ID_20: + ipr_log_fabric_error(ioa_cfg, hostrcb); + break; case IPR_HOST_RCB_OVERLAY_ID_1: case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: default: @@ -2969,7 +3183,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) struct ipr_dump *dump; unsigned long lock_flags = 0; - ENTER; dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); if (!dump) { @@ -2996,7 +3209,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - LEAVE; return 0; } @@ -3573,6 +3785,12 @@ static int ipr_sata_reset(struct ata_port *ap, unsigned int *classes) ENTER; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + } + res = sata_port->res; if (res) { rc = ipr_device_reset(ioa_cfg, res); @@ -3636,6 +3854,10 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) { if (ipr_cmd->scsi_cmd) ipr_cmd->done = ipr_scsi_eh_done; + if (ipr_cmd->qc && !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { + ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; + ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; + } } } @@ -3770,7 +3992,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) */ if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) return FAILED; - if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res))) + if (!res || !ipr_is_gscsi(res)) return FAILED; list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { @@ -4615,7 +4837,7 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd, * Return value: * 0 on success / other on failure **/ -int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) +static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { struct ipr_resource_entry *res; @@ -4648,40 +4870,6 @@ static const char * ipr_ioa_info(struct Scsi_Host *host) return buffer; } -/** - * ipr_scsi_timed_out - Handle scsi command timeout - * @scsi_cmd: scsi command struct - * - * Return value: - * EH_NOT_HANDLED - **/ -enum scsi_eh_timer_return ipr_scsi_timed_out(struct scsi_cmnd *scsi_cmd) -{ - struct ipr_ioa_cfg *ioa_cfg; - struct ipr_cmnd *ipr_cmd; - unsigned long flags; - - ENTER; - spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); - ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; - - list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { - if (ipr_cmd->qc && ipr_cmd->qc->scsicmd == scsi_cmd) { - ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; - ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; - break; - } - } - - spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); - LEAVE; - return EH_NOT_HANDLED; -} - -static struct scsi_transport_template ipr_transport_template = { - .eh_timed_out = ipr_scsi_timed_out -}; - static struct scsi_host_template driver_template = { .module = THIS_MODULE, .name = "IPR", @@ -4776,6 +4964,12 @@ static void ipr_ata_post_internal(struct ata_queued_cmd *qc) unsigned long flags; spin_lock_irqsave(ioa_cfg->host->host_lock, flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, flags); + } + list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { if (ipr_cmd->qc == qc) { ipr_device_reset(ioa_cfg, sata_port->res); @@ -6832,6 +7026,7 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) ioa_cfg->hostrcb[i]->hostrcb_dma = ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); + ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); } @@ -7017,7 +7212,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); - host->transportt = &ipr_transport_template; ata_host_init(&ioa_cfg->ata_host, &pdev->dev, sata_port_info.flags, &ipr_sata_ops); @@ -7351,12 +7545,24 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B8, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, @@ -7366,6 +7572,9 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, { } }; MODULE_DEVICE_TABLE(pci, ipr_pci_table); |