diff options
83 files changed, 4760 insertions, 1126 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 15e4fed..2e1898e 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1416,6 +1416,11 @@ and is between 256 and 4096 characters. It is defined in the file scsi_logging= [SCSI] + scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are + discovered. async scans them in kernel threads, + allowing boot to proceed. none ignores them, expecting + user space to do the scan. + selinux [SELINUX] Disable or enable SELinux at boot time. Format: { "0" | "1" } See security/selinux/Kconfig help text. diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt index 75a535a..6f70f2b 100644 --- a/Documentation/scsi/scsi_mid_low_api.txt +++ b/Documentation/scsi/scsi_mid_low_api.txt @@ -375,7 +375,6 @@ Summary: scsi_add_device - creates new scsi device (lu) instance scsi_add_host - perform sysfs registration and set up transport class scsi_adjust_queue_depth - change the queue depth on a SCSI device - scsi_assign_lock - replace default host_lock with given lock scsi_bios_ptable - return copy of block device's partition table scsi_block_requests - prevent further commands being queued to given host scsi_deactivate_tcq - turn off tag command queueing @@ -489,20 +488,6 @@ void scsi_adjust_queue_depth(struct scsi_device * sdev, int tagged, /** - * scsi_assign_lock - replace default host_lock with given lock - * @shost: a pointer to a scsi host instance - * @lock: pointer to lock to replace host_lock for this host - * - * Returns nothing - * - * Might block: no - * - * Defined in: include/scsi/scsi_host.h . - **/ -void scsi_assign_lock(struct Scsi_Host *shost, spinlock_t *lock) - - -/** * scsi_bios_ptable - return copy of block device's partition table * @dev: pointer to block device * @@ -1366,17 +1351,11 @@ Locks Each struct Scsi_Host instance has a spin_lock called struct Scsi_Host::default_lock which is initialized in scsi_host_alloc() [found in hosts.c]. Within the same function the struct Scsi_Host::host_lock pointer -is initialized to point at default_lock with the scsi_assign_lock() function. -Thereafter lock and unlock operations performed by the mid level use the -struct Scsi_Host::host_lock pointer. - -LLDs can override the use of struct Scsi_Host::default_lock by -using scsi_assign_lock(). The earliest opportunity to do this would -be in the detect() function after it has invoked scsi_register(). It -could be replaced by a coarser grain lock (e.g. per driver) or a -lock of equal granularity (i.e. per host). Using finer grain locks -(e.g. per SCSI device) may be possible by juggling locks in -queuecommand(). +is initialized to point at default_lock. Thereafter lock and unlock +operations performed by the mid level use the struct Scsi_Host::host_lock +pointer. Previously drivers could override the host_lock pointer but +this is not allowed anymore. + Autosense ========= diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 5493c2f..b3e2107 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -277,7 +277,7 @@ static int sg_io(struct file *file, request_queue_t *q, if (rq->bio) blk_queue_bounce(q, &rq->bio); - rq->timeout = (hdr->timeout * HZ) / 1000; + rq->timeout = jiffies_to_msecs(hdr->timeout); if (!rq->timeout) rq->timeout = q->sg_timeout; if (!rq->timeout) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 562432d..335a255 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -622,8 +622,10 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata, dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); /* restore the old result if the request sense was * successful */ - if(result == 0) + if (result == 0) result = cmnd[7]; + /* restore the original length */ + SCp->cmd_len = cmnd[8]; } else NCR_700_unmap(hostdata, SCp, slot); @@ -1007,6 +1009,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * of the command */ cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC; cmnd[7] = hostdata->status[0]; + cmnd[8] = SCp->cmd_len; + SCp->cmd_len = 6; /* command length for + * REQUEST_SENSE */ slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE); slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer)); diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index cdd0337..3075204 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2186,21 +2186,21 @@ static int __init BusLogic_init(void) if (BusLogic_ProbeOptions.NoProbe) return -ENODEV; - BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *) - kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_ATOMIC); + BusLogic_ProbeInfoList = + kzalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_KERNEL); if (BusLogic_ProbeInfoList == NULL) { BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL); return -ENOMEM; } - memset(BusLogic_ProbeInfoList, 0, BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo)); - PrototypeHostAdapter = (struct BusLogic_HostAdapter *) - kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC); + + PrototypeHostAdapter = + kzalloc(sizeof(struct BusLogic_HostAdapter), GFP_KERNEL); if (PrototypeHostAdapter == NULL) { kfree(BusLogic_ProbeInfoList); BusLogic_Error("BusLogic: Unable to allocate Prototype " "Host Adapter\n", NULL); return -ENOMEM; } - memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter)); + #ifdef MODULE if (BusLogic != NULL) BusLogic_Setup(BusLogic); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 9540eb8..6956909 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -29,6 +29,13 @@ config SCSI However, do not compile this as a module if your root file system (the one containing the directory /) is located on a SCSI device. +config SCSI_TGT + tristate "SCSI target support" + depends on SCSI && EXPERIMENTAL + ---help--- + If you want to use SCSI target mode drivers enable this option. + If you choose M, the module will be called scsi_tgt. + config SCSI_NETLINK bool default n @@ -216,6 +223,23 @@ config SCSI_LOGGING there should be no noticeable performance impact as long as you have logging turned off. +config SCSI_SCAN_ASYNC + bool "Asynchronous SCSI scanning" + depends on SCSI + help + The SCSI subsystem can probe for devices while the rest of the + system continues booting, and even probe devices on different + busses in parallel, leading to a significant speed-up. + If you have built SCSI as modules, enabling this option can + be a problem as the devices may not have been found by the + time your system expects them to have been. You can load the + scsi_wait_scan module to ensure that all scans have completed. + If you build your SCSI drivers into the kernel, then everything + will work fine if you say Y here. + + You can override this choice by specifying scsi_mod.scan="sync" + or "async" on the kernel's command line. + menu "SCSI Transports" depends on SCSI @@ -797,6 +821,20 @@ config SCSI_IBMVSCSI To compile this driver as a module, choose M here: the module will be called ibmvscsic. +config SCSI_IBMVSCSIS + tristate "IBM Virtual SCSI Server support" + depends on PPC_PSERIES && SCSI_TGT && SCSI_SRP + help + This is the SRP target driver for IBM pSeries virtual environments. + + The userspace component needed to initialize the driver and + documentation can be found: + + http://stgt.berlios.de/ + + To compile this driver as a module, choose M here: the + module will be called ibmvstgt. + config SCSI_INITIO tristate "Initio 9100U(W) support" depends on PCI && SCSI @@ -944,8 +982,13 @@ config SCSI_STEX tristate "Promise SuperTrak EX Series support" depends on PCI && SCSI ---help--- - This driver supports Promise SuperTrak EX8350/8300/16350/16300 - Storage controllers. + This driver supports Promise SuperTrak EX series storage controllers. + + Promise provides Linux RAID configuration utility for these + controllers. Please visit <http://www.promise.com> to download. + + To compile this driver as a module, choose M here: the + module will be called stex. config SCSI_SYM53C8XX_2 tristate "SYM53C8XX Version 2 SCSI support" @@ -1026,6 +1069,7 @@ config SCSI_IPR config SCSI_IPR_TRACE bool "enable driver internal trace" depends on SCSI_IPR + default y help If you say Y here, the driver will trace all commands issued to the adapter. Performance impact is minimal. Trace can be @@ -1034,6 +1078,7 @@ config SCSI_IPR_TRACE config SCSI_IPR_DUMP bool "enable adapter dump support" depends on SCSI_IPR + default y help If you say Y here, the driver will support adapter crash dump. If you enable this support, the iprdump daemon can be used @@ -1734,6 +1779,16 @@ config ZFCP called zfcp. If you want to compile it as a module, say M here and read <file:Documentation/modules.txt>. +config SCSI_SRP + tristate "SCSI RDMA Protocol helper library" + depends on SCSI && PCI + select SCSI_TGT + help + If you wish to use SRP target drivers, say Y. + + To compile this driver as a module, choose M here: the + module will be called libsrp. + endmenu source "drivers/scsi/pcmcia/Kconfig" diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index bcca39c..bd7c988 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -21,6 +21,7 @@ CFLAGS_seagate.o = -DARBITRATE -DPARITY -DSEAGATE_USE_ASM subdir-$(CONFIG_PCMCIA) += pcmcia obj-$(CONFIG_SCSI) += scsi_mod.o +obj-$(CONFIG_SCSI_TGT) += scsi_tgt.o obj-$(CONFIG_RAID_ATTRS) += raid_class.o @@ -125,7 +126,9 @@ obj-$(CONFIG_SCSI_FCAL) += fcal.o obj-$(CONFIG_SCSI_LASI700) += 53c700.o lasi700.o obj-$(CONFIG_SCSI_NSP32) += nsp32.o obj-$(CONFIG_SCSI_IPR) += ipr.o +obj-$(CONFIG_SCSI_SRP) += libsrp.o obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/ +obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o @@ -141,6 +144,8 @@ obj-$(CONFIG_CHR_DEV_SCH) += ch.o # This goes last, so that "real" scsi devices probe earlier obj-$(CONFIG_SCSI_DEBUG) += scsi_debug.o +obj-$(CONFIG_SCSI) += scsi_wait_scan.o + scsi_mod-y += scsi.o hosts.o scsi_ioctl.o constants.o \ scsicam.o scsi_error.o scsi_lib.o \ scsi_scan.o scsi_sysfs.o \ @@ -149,6 +154,8 @@ scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o +scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o + sd_mod-objs := sd.o sr_mod-objs := sr.o sr_ioctl.o sr_vendor.o ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \ diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c index d461381..8578555 100644 --- a/drivers/scsi/NCR53c406a.c +++ b/drivers/scsi/NCR53c406a.c @@ -220,9 +220,11 @@ static void *addresses[] = { static unsigned short ports[] = { 0x230, 0x330, 0x280, 0x290, 0x330, 0x340, 0x300, 0x310, 0x348, 0x350 }; #define PORT_COUNT ARRAY_SIZE(ports) +#ifndef MODULE /* possible interrupt channels */ static unsigned short intrs[] = { 10, 11, 12, 15 }; #define INTR_COUNT ARRAY_SIZE(intrs) +#endif /* !MODULE */ /* signatures for NCR 53c406a based controllers */ #if USE_BIOS @@ -605,6 +607,7 @@ static int NCR53c406a_release(struct Scsi_Host *shost) return 0; } +#ifndef MODULE /* called from init/main.c */ static int __init NCR53c406a_setup(char *str) { @@ -661,6 +664,8 @@ static int __init NCR53c406a_setup(char *str) __setup("ncr53c406a=", NCR53c406a_setup); +#endif /* !MODULE */ + static const char *NCR53c406a_info(struct Scsi_Host *SChost) { DEB(printk("NCR53c406a_info called\n")); diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index eb3ed91..4f8b4c5 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -11,8 +11,8 @@ *----------------------------------------------------------------------------*/ #ifndef AAC_DRIVER_BUILD -# define AAC_DRIVER_BUILD 2409 -# define AAC_DRIVER_BRANCH "-mh2" +# define AAC_DRIVER_BUILD 2423 +# define AAC_DRIVER_BRANCH "-mh3" #endif #define MAXIMUM_NUM_CONTAINERS 32 diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 19e42ac..4893a6d 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -518,6 +518,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, */ unsigned long count = 36000000L; /* 3 minutes */ while (down_trylock(&fibptr->event_wait)) { + int blink; if (--count == 0) { spin_lock_irqsave(q->lock, qflags); q->numpending--; @@ -530,6 +531,14 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } return -ETIMEDOUT; } + if ((blink = aac_adapter_check_health(dev)) > 0) { + if (wait == -1) { + printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n" + "Usually a result of a serious unrecoverable hardware problem\n", + blink); + } + return -EFAULT; + } udelay(5); } } else if (down_interruptible(&fibptr->event_wait)) { @@ -1093,6 +1102,20 @@ static int _aac_reset_adapter(struct aac_dev *aac) goto out; } + /* + * Loop through the fibs, close the synchronous FIBS + */ + for (index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) { + struct fib *fib = &aac->fibs[index]; + if (!(fib->hw_fib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && + (fib->hw_fib->header.XferState & cpu_to_le32(ResponseExpected))) { + unsigned long flagv; + spin_lock_irqsave(&fib->event_lock, flagv); + up(&fib->event_wait); + spin_unlock_irqrestore(&fib->event_lock, flagv); + schedule(); + } + } index = aac->cardtype; /* diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index c3c38a7..d7af9c6 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -586,7 +586,7 @@ static struct scsi_host_template aha1740_template = { static int aha1740_probe (struct device *dev) { - int slotbase; + int slotbase, rc; unsigned int irq_level, irq_type, translation; struct Scsi_Host *shpnt; struct aha1740_hostdata *host; @@ -641,10 +641,16 @@ static int aha1740_probe (struct device *dev) } eisa_set_drvdata (edev, shpnt); - scsi_add_host (shpnt, dev); /* XXX handle failure */ + + rc = scsi_add_host (shpnt, dev); + if (rc) + goto err_irq; + scsi_scan_host (shpnt); return 0; + err_irq: + free_irq(irq_level, shpnt); err_unmap: dma_unmap_single (&edev->dev, host->ecb_dma_addr, sizeof (host->ecb), DMA_BIDIRECTIONAL); diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c index 2001fe8..1a3ab6a 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c @@ -62,6 +62,7 @@ static struct pci_device_id ahd_linux_pci_id_table[] = { /* aic7901 based controllers */ ID(ID_AHA_29320A), ID(ID_AHA_29320ALP), + ID(ID_AHA_29320LPE), /* aic7902 based controllers */ ID(ID_AHA_29320), ID(ID_AHA_29320B), diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index c077358..2cf7bb3 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -109,7 +109,13 @@ static struct ahd_pci_identity ahd_pci_ident_table [] = { ID_AHA_29320ALP, ID_ALL_MASK, - "Adaptec 29320ALP Ultra320 SCSI adapter", + "Adaptec 29320ALP PCIx Ultra320 SCSI adapter", + ahd_aic7901_setup + }, + { + ID_AHA_29320LPE, + ID_ALL_MASK, + "Adaptec 29320LPE PCIe Ultra320 SCSI adapter", ahd_aic7901_setup }, /* aic7901A based controllers */ diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.h b/drivers/scsi/aic7xxx/aic79xx_pci.h index da45153..16b7c70 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.h +++ b/drivers/scsi/aic7xxx/aic79xx_pci.h @@ -51,6 +51,7 @@ #define ID_AIC7901 0x800F9005FFFF9005ull #define ID_AHA_29320A 0x8000900500609005ull #define ID_AHA_29320ALP 0x8017900500449005ull +#define ID_AHA_29320LPE 0x8017900500459005ull #define ID_AIC7901A 0x801E9005FFFF9005ull #define ID_AHA_29320LP 0x8014900500449005ull diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index 57c5ba4..42302ef 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -724,6 +724,15 @@ static void asd_free_queues(struct asd_ha_struct *asd_ha) list_for_each_safe(pos, n, &pending) { struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); + /* + * Delete unexpired ascb timers. This may happen if we issue + * a CONTROL PHY scb to an adapter and rmmod before the scb + * times out. Apparently we don't wait for the CONTROL PHY + * to complete, so it doesn't matter if we kill the timer. + */ + del_timer_sync(&ascb->timer); + WARN_ON(ascb->scb->header.opcode != CONTROL_PHY); + list_del_init(pos); ASD_DPRINTK("freeing from pending\n"); asd_ascb_free(ascb); diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index b15caf1..14d5d8c 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -25,6 +25,7 @@ */ #include <linux/pci.h> +#include <scsi/scsi_host.h> #include "aic94xx.h" #include "aic94xx_reg.h" @@ -412,6 +413,39 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id) } } +/* hard reset a phy later */ +static void do_phy_reset_later(void *data) +{ + struct sas_phy *sas_phy = data; + int error; + + ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__, + sas_phy->identify.phy_identifier); + /* Reset device port */ + error = sas_phy_reset(sas_phy, 1); + if (error) + ASD_DPRINTK("%s: Hard reset of phy %d failed (%d).\n", + __FUNCTION__, sas_phy->identify.phy_identifier, error); +} + +static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost) +{ + INIT_WORK(&sas_phy->reset_work, do_phy_reset_later, sas_phy); + queue_work(shost->work_q, &sas_phy->reset_work); +} + +/* start up the ABORT TASK tmf... */ +static void task_kill_later(struct asd_ascb *ascb) +{ + struct asd_ha_struct *asd_ha = ascb->ha; + struct sas_ha_struct *sas_ha = &asd_ha->sas_ha; + struct Scsi_Host *shost = sas_ha->core.shost; + struct sas_task *task = ascb->uldd_task; + + INIT_WORK(&task->abort_work, (void (*)(void *))sas_task_abort, task); + queue_work(shost->work_q, &task->abort_work); +} + static void escb_tasklet_complete(struct asd_ascb *ascb, struct done_list_struct *dl) { @@ -439,6 +473,74 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, ascb->scb->header.opcode); } + /* Catch these before we mask off the sb_opcode bits */ + switch (sb_opcode) { + case REQ_TASK_ABORT: { + struct asd_ascb *a, *b; + u16 tc_abort; + + tc_abort = *((u16*)(&dl->status_block[1])); + tc_abort = le16_to_cpu(tc_abort); + + ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n", + __FUNCTION__, dl->status_block[3]); + + /* Find the pending task and abort it. */ + list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) + if (a->tc_index == tc_abort) { + task_kill_later(a); + break; + } + goto out; + } + case REQ_DEVICE_RESET: { + struct Scsi_Host *shost = sas_ha->core.shost; + struct sas_phy *dev_phy; + struct asd_ascb *a; + u16 conn_handle; + + conn_handle = *((u16*)(&dl->status_block[1])); + conn_handle = le16_to_cpu(conn_handle); + + ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __FUNCTION__, + dl->status_block[3]); + + /* Kill all pending tasks and reset the device */ + dev_phy = NULL; + list_for_each_entry(a, &asd_ha->seq.pend_q, list) { + struct sas_task *task; + struct domain_device *dev; + u16 x; + + task = a->uldd_task; + if (!task) + continue; + dev = task->dev; + + x = (unsigned long)dev->lldd_dev; + if (x == conn_handle) { + dev_phy = dev->port->phy; + task_kill_later(a); + } + } + + /* Reset device port */ + if (!dev_phy) { + ASD_DPRINTK("%s: No pending commands; can't reset.\n", + __FUNCTION__); + goto out; + } + phy_reset_later(dev_phy, shost); + goto out; + } + case SIGNAL_NCQ_ERROR: + ASD_DPRINTK("%s: SIGNAL_NCQ_ERROR\n", __FUNCTION__); + goto out; + case CLEAR_NCQ_ERROR: + ASD_DPRINTK("%s: CLEAR_NCQ_ERROR\n", __FUNCTION__); + goto out; + } + sb_opcode &= ~DL_PHY_MASK; switch (sb_opcode) { @@ -469,22 +571,6 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, asd_deform_port(asd_ha, phy); sas_ha->notify_port_event(sas_phy, PORTE_TIMER_EVENT); break; - case REQ_TASK_ABORT: - ASD_DPRINTK("%s: phy%d: REQ_TASK_ABORT\n", __FUNCTION__, - phy_id); - break; - case REQ_DEVICE_RESET: - ASD_DPRINTK("%s: phy%d: REQ_DEVICE_RESET\n", __FUNCTION__, - phy_id); - break; - case SIGNAL_NCQ_ERROR: - ASD_DPRINTK("%s: phy%d: SIGNAL_NCQ_ERROR\n", __FUNCTION__, - phy_id); - break; - case CLEAR_NCQ_ERROR: - ASD_DPRINTK("%s: phy%d: CLEAR_NCQ_ERROR\n", __FUNCTION__, - phy_id); - break; default: ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __FUNCTION__, phy_id, sb_opcode); @@ -504,7 +590,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, break; } - +out: asd_invalidate_edb(ascb, edb); } diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index ef8285c..668569e 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -294,6 +294,7 @@ static struct Scsi_Host *hosts[FD_MAX_HOSTS + 1] = { NULL }; static int user_fifo_count = 0; static int user_fifo_size = 0; +#ifndef MODULE static int __init fd_mcs_setup(char *str) { static int done_setup = 0; @@ -311,6 +312,7 @@ static int __init fd_mcs_setup(char *str) } __setup("fd_mcs=", fd_mcs_setup); +#endif /* !MODULE */ static void print_banner(struct Scsi_Host *shpnt) { diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 68ef163..38c3a29 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -263,6 +263,10 @@ static void scsi_host_dev_release(struct device *dev) kthread_stop(shost->ehandler); if (shost->work_q) destroy_workqueue(shost->work_q); + if (shost->uspace_req_q) { + kfree(shost->uspace_req_q->queuedata); + scsi_free_queue(shost->uspace_req_q); + } scsi_destroy_command_freelist(shost); if (shost->bqt) @@ -301,8 +305,8 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) if (!shost) return NULL; - spin_lock_init(&shost->default_lock); - scsi_assign_lock(shost, &shost->default_lock); + shost->host_lock = &shost->default_lock; + spin_lock_init(shost->host_lock); shost->shost_state = SHOST_CREATED; INIT_LIST_HEAD(&shost->__devices); INIT_LIST_HEAD(&shost->__targets); diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile index 4e247b6..6ac0633 100644 --- a/drivers/scsi/ibmvscsi/Makefile +++ b/drivers/scsi/ibmvscsi/Makefile @@ -3,3 +3,5 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsic.o ibmvscsic-y += ibmvscsi.o ibmvscsic-$(CONFIG_PPC_ISERIES) += iseries_vscsi.o ibmvscsic-$(CONFIG_PPC_PSERIES) += rpa_vscsi.o + +obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvstgt.o diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c new file mode 100644 index 0000000..0e74174 --- /dev/null +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -0,0 +1,958 @@ +/* + * IBM eServer i/pSeries Virtual SCSI Target Driver + * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp. + * Santiago Leon (santil@us.ibm.com) IBM Corp. + * Linda Xie (lxie@us.ibm.com) IBM Corp. + * + * Copyright (C) 2005-2006 FUJITA Tomonori <tomof@acm.org> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#include <linux/interrupt.h> +#include <linux/module.h> +#include <scsi/scsi.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_tgt.h> +#include <scsi/libsrp.h> +#include <asm/hvcall.h> +#include <asm/iommu.h> +#include <asm/prom.h> +#include <asm/vio.h> + +#include "ibmvscsi.h" + +#define INITIAL_SRP_LIMIT 16 +#define DEFAULT_MAX_SECTORS 512 + +#define TGT_NAME "ibmvstgt" + +/* + * Hypervisor calls. + */ +#define h_copy_rdma(l, sa, sb, da, db) \ + plpar_hcall_norets(H_COPY_RDMA, l, sa, sb, da, db) +#define h_send_crq(ua, l, h) \ + plpar_hcall_norets(H_SEND_CRQ, ua, l, h) +#define h_reg_crq(ua, tok, sz)\ + plpar_hcall_norets(H_REG_CRQ, ua, tok, sz); +#define h_free_crq(ua) \ + plpar_hcall_norets(H_FREE_CRQ, ua); + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) +/* #define dprintk eprintk */ +#define dprintk(fmt, args...) + +struct vio_port { + struct vio_dev *dma_dev; + + struct crq_queue crq_queue; + struct work_struct crq_work; + + unsigned long liobn; + unsigned long riobn; +}; + +static struct workqueue_struct *vtgtd; + +/* + * These are fixed for the system and come from the Open Firmware device tree. + * We just store them here to save getting them every time. + */ +static char system_id[64] = ""; +static char partition_name[97] = "UNKNOWN"; +static unsigned int partition_number = -1; + +static struct vio_port *target_to_port(struct srp_target *target) +{ + return (struct vio_port *) target->ldata; +} + +static inline union viosrp_iu *vio_iu(struct iu_entry *iue) +{ + return (union viosrp_iu *) (iue->sbuf->buf); +} + +static int send_iu(struct iu_entry *iue, uint64_t length, uint8_t format) +{ + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + long rc, rc1; + union { + struct viosrp_crq cooked; + uint64_t raw[2]; + } crq; + + /* First copy the SRP */ + rc = h_copy_rdma(length, vport->liobn, iue->sbuf->dma, + vport->riobn, iue->remote_token); + + if (rc) + eprintk("Error %ld transferring data\n", rc); + + crq.cooked.valid = 0x80; + crq.cooked.format = format; + crq.cooked.reserved = 0x00; + crq.cooked.timeout = 0x00; + crq.cooked.IU_length = length; + crq.cooked.IU_data_ptr = vio_iu(iue)->srp.rsp.tag; + + if (rc == 0) + crq.cooked.status = 0x99; /* Just needs to be non-zero */ + else + crq.cooked.status = 0x00; + + rc1 = h_send_crq(vport->dma_dev->unit_address, crq.raw[0], crq.raw[1]); + + if (rc1) { + eprintk("%ld sending response\n", rc1); + return rc1; + } + + return rc; +} + +#define SRP_RSP_SENSE_DATA_LEN 18 + +static int send_rsp(struct iu_entry *iue, struct scsi_cmnd *sc, + unsigned char status, unsigned char asc) +{ + union viosrp_iu *iu = vio_iu(iue); + uint64_t tag = iu->srp.rsp.tag; + + /* If the linked bit is on and status is good */ + if (test_bit(V_LINKED, &iue->flags) && (status == NO_SENSE)) + status = 0x10; + + memset(iu, 0, sizeof(struct srp_rsp)); + iu->srp.rsp.opcode = SRP_RSP; + iu->srp.rsp.req_lim_delta = 1; + iu->srp.rsp.tag = tag; + + if (test_bit(V_DIOVER, &iue->flags)) + iu->srp.rsp.flags |= SRP_RSP_FLAG_DIOVER; + + iu->srp.rsp.data_in_res_cnt = 0; + iu->srp.rsp.data_out_res_cnt = 0; + + iu->srp.rsp.flags &= ~SRP_RSP_FLAG_RSPVALID; + + iu->srp.rsp.resp_data_len = 0; + iu->srp.rsp.status = status; + if (status) { + uint8_t *sense = iu->srp.rsp.data; + + if (sc) { + iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID; + iu->srp.rsp.sense_data_len = SCSI_SENSE_BUFFERSIZE; + memcpy(sense, sc->sense_buffer, SCSI_SENSE_BUFFERSIZE); + } else { + iu->srp.rsp.status = SAM_STAT_CHECK_CONDITION; + iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID; + iu->srp.rsp.sense_data_len = SRP_RSP_SENSE_DATA_LEN; + + /* Valid bit and 'current errors' */ + sense[0] = (0x1 << 7 | 0x70); + /* Sense key */ + sense[2] = status; + /* Additional sense length */ + sense[7] = 0xa; /* 10 bytes */ + /* Additional sense code */ + sense[12] = asc; + } + } + + send_iu(iue, sizeof(iu->srp.rsp) + SRP_RSP_SENSE_DATA_LEN, + VIOSRP_SRP_FORMAT); + + return 0; +} + +static void handle_cmd_queue(struct srp_target *target) +{ + struct Scsi_Host *shost = target->shost; + struct iu_entry *iue; + struct srp_cmd *cmd; + unsigned long flags; + int err; + +retry: + spin_lock_irqsave(&target->lock, flags); + + list_for_each_entry(iue, &target->cmd_queue, ilist) { + if (!test_and_set_bit(V_FLYING, &iue->flags)) { + spin_unlock_irqrestore(&target->lock, flags); + cmd = iue->sbuf->buf; + err = srp_cmd_queue(shost, cmd, iue, 0); + if (err) { + eprintk("cannot queue cmd %p %d\n", cmd, err); + srp_iu_put(iue); + } + goto retry; + } + } + + spin_unlock_irqrestore(&target->lock, flags); +} + +static int ibmvstgt_rdma(struct scsi_cmnd *sc, struct scatterlist *sg, int nsg, + struct srp_direct_buf *md, int nmd, + enum dma_data_direction dir, unsigned int rest) +{ + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + dma_addr_t token; + long err; + unsigned int done = 0; + int i, sidx, soff; + + sidx = soff = 0; + token = sg_dma_address(sg + sidx); + + for (i = 0; i < nmd && rest; i++) { + unsigned int mdone, mlen; + + mlen = min(rest, md[i].len); + for (mdone = 0; mlen;) { + int slen = min(sg_dma_len(sg + sidx) - soff, mlen); + + if (dir == DMA_TO_DEVICE) + err = h_copy_rdma(slen, + vport->riobn, + md[i].va + mdone, + vport->liobn, + token + soff); + else + err = h_copy_rdma(slen, + vport->liobn, + token + soff, + vport->riobn, + md[i].va + mdone); + + if (err != H_SUCCESS) { + eprintk("rdma error %d %d\n", dir, slen); + goto out; + } + + mlen -= slen; + mdone += slen; + soff += slen; + done += slen; + + if (soff == sg_dma_len(sg + sidx)) { + sidx++; + soff = 0; + token = sg_dma_address(sg + sidx); + + if (sidx > nsg) { + eprintk("out of sg %p %d %d\n", + iue, sidx, nsg); + goto out; + } + } + }; + + rest -= mlen; + } +out: + + return 0; +} + +static int ibmvstgt_transfer_data(struct scsi_cmnd *sc, + void (*done)(struct scsi_cmnd *)) +{ + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + int err; + + err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1); + + done(sc); + + return err; +} + +static int ibmvstgt_cmd_done(struct scsi_cmnd *sc, + void (*done)(struct scsi_cmnd *)) +{ + unsigned long flags; + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + + dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]); + + spin_lock_irqsave(&target->lock, flags); + list_del(&iue->ilist); + spin_unlock_irqrestore(&target->lock, flags); + + if (sc->result != SAM_STAT_GOOD) { + eprintk("operation failed %p %d %x\n", + iue, sc->result, vio_iu(iue)->srp.cmd.cdb[0]); + send_rsp(iue, sc, HARDWARE_ERROR, 0x00); + } else + send_rsp(iue, sc, NO_SENSE, 0x00); + + done(sc); + srp_iu_put(iue); + return 0; +} + +int send_adapter_info(struct iu_entry *iue, + dma_addr_t remote_buffer, uint16_t length) +{ + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + struct Scsi_Host *shost = target->shost; + dma_addr_t data_token; + struct mad_adapter_info_data *info; + int err; + + info = dma_alloc_coherent(target->dev, sizeof(*info), &data_token, + GFP_KERNEL); + if (!info) { + eprintk("bad dma_alloc_coherent %p\n", target); + return 1; + } + + /* Get remote info */ + err = h_copy_rdma(sizeof(*info), vport->riobn, remote_buffer, + vport->liobn, data_token); + if (err == H_SUCCESS) { + dprintk("Client connect: %s (%d)\n", + info->partition_name, info->partition_number); + } + + memset(info, 0, sizeof(*info)); + + strcpy(info->srp_version, "16.a"); + strncpy(info->partition_name, partition_name, + sizeof(info->partition_name)); + info->partition_number = partition_number; + info->mad_version = 1; + info->os_type = 2; + info->port_max_txu[0] = shost->hostt->max_sectors << 9; + + /* Send our info to remote */ + err = h_copy_rdma(sizeof(*info), vport->liobn, data_token, + vport->riobn, remote_buffer); + + dma_free_coherent(target->dev, sizeof(*info), info, data_token); + + if (err != H_SUCCESS) { + eprintk("Error sending adapter info %d\n", err); + return 1; + } + + return 0; +} + +static void process_login(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + struct srp_login_rsp *rsp = &iu->srp.login_rsp; + uint64_t tag = iu->srp.rsp.tag; + + /* TODO handle case that requested size is wrong and + * buffer format is wrong + */ + memset(iu, 0, sizeof(struct srp_login_rsp)); + rsp->opcode = SRP_LOGIN_RSP; + rsp->req_lim_delta = INITIAL_SRP_LIMIT; + rsp->tag = tag; + rsp->max_it_iu_len = sizeof(union srp_iu); + rsp->max_ti_iu_len = sizeof(union srp_iu); + /* direct and indirect */ + rsp->buf_fmt = SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT; + + send_iu(iue, sizeof(*rsp), VIOSRP_SRP_FORMAT); +} + +static inline void queue_cmd(struct iu_entry *iue) +{ + struct srp_target *target = iue->target; + unsigned long flags; + + spin_lock_irqsave(&target->lock, flags); + list_add_tail(&iue->ilist, &target->cmd_queue); + spin_unlock_irqrestore(&target->lock, flags); +} + +static int process_tsk_mgmt(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + int fn; + + dprintk("%p %u\n", iue, iu->srp.tsk_mgmt.tsk_mgmt_func); + + switch (iu->srp.tsk_mgmt.tsk_mgmt_func) { + case SRP_TSK_ABORT_TASK: + fn = ABORT_TASK; + break; + case SRP_TSK_ABORT_TASK_SET: + fn = ABORT_TASK_SET; + break; + case SRP_TSK_CLEAR_TASK_SET: + fn = CLEAR_TASK_SET; + break; + case SRP_TSK_LUN_RESET: + fn = LOGICAL_UNIT_RESET; + break; + case SRP_TSK_CLEAR_ACA: + fn = CLEAR_ACA; + break; + default: + fn = 0; + } + if (fn) + scsi_tgt_tsk_mgmt_request(iue->target->shost, fn, + iu->srp.tsk_mgmt.task_tag, + (struct scsi_lun *) &iu->srp.tsk_mgmt.lun, + iue); + else + send_rsp(iue, NULL, ILLEGAL_REQUEST, 0x20); + + return !fn; +} + +static int process_mad_iu(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + struct viosrp_adapter_info *info; + struct viosrp_host_config *conf; + + switch (iu->mad.empty_iu.common.type) { + case VIOSRP_EMPTY_IU_TYPE: + eprintk("%s\n", "Unsupported EMPTY MAD IU"); + break; + case VIOSRP_ERROR_LOG_TYPE: + eprintk("%s\n", "Unsupported ERROR LOG MAD IU"); + iu->mad.error_log.common.status = 1; + send_iu(iue, sizeof(iu->mad.error_log), VIOSRP_MAD_FORMAT); + break; + case VIOSRP_ADAPTER_INFO_TYPE: + info = &iu->mad.adapter_info; + info->common.status = send_adapter_info(iue, info->buffer, + info->common.length); + send_iu(iue, sizeof(*info), VIOSRP_MAD_FORMAT); + break; + case VIOSRP_HOST_CONFIG_TYPE: + conf = &iu->mad.host_config; + conf->common.status = 1; + send_iu(iue, sizeof(*conf), VIOSRP_MAD_FORMAT); + break; + default: + eprintk("Unknown type %u\n", iu->srp.rsp.opcode); + } + + return 1; +} + +static int process_srp_iu(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + int done = 1; + u8 opcode = iu->srp.rsp.opcode; + + switch (opcode) { + case SRP_LOGIN_REQ: + process_login(iue); + break; + case SRP_TSK_MGMT: + done = process_tsk_mgmt(iue); + break; + case SRP_CMD: + queue_cmd(iue); + done = 0; + break; + case SRP_LOGIN_RSP: + case SRP_I_LOGOUT: + case SRP_T_LOGOUT: + case SRP_RSP: + case SRP_CRED_REQ: + case SRP_CRED_RSP: + case SRP_AER_REQ: + case SRP_AER_RSP: + eprintk("Unsupported type %u\n", opcode); + break; + default: + eprintk("Unknown type %u\n", opcode); + } + + return done; +} + +static void process_iu(struct viosrp_crq *crq, struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + struct iu_entry *iue; + long err, done; + + iue = srp_iu_get(target); + if (!iue) { + eprintk("Error getting IU from pool, %p\n", target); + return; + } + + iue->remote_token = crq->IU_data_ptr; + + err = h_copy_rdma(crq->IU_length, vport->riobn, + iue->remote_token, vport->liobn, iue->sbuf->dma); + + if (err != H_SUCCESS) { + eprintk("%ld transferring data error %p\n", err, iue); + done = 1; + goto out; + } + + if (crq->format == VIOSRP_MAD_FORMAT) + done = process_mad_iu(iue); + else + done = process_srp_iu(iue); +out: + if (done) + srp_iu_put(iue); +} + +static irqreturn_t ibmvstgt_interrupt(int irq, void *data) +{ + struct srp_target *target = (struct srp_target *) data; + struct vio_port *vport = target_to_port(target); + + vio_disable_interrupts(vport->dma_dev); + queue_work(vtgtd, &vport->crq_work); + + return IRQ_HANDLED; +} + +static int crq_queue_create(struct crq_queue *queue, struct srp_target *target) +{ + int err; + struct vio_port *vport = target_to_port(target); + + queue->msgs = (struct viosrp_crq *) get_zeroed_page(GFP_KERNEL); + if (!queue->msgs) + goto malloc_failed; + queue->size = PAGE_SIZE / sizeof(*queue->msgs); + + queue->msg_token = dma_map_single(target->dev, queue->msgs, + queue->size * sizeof(*queue->msgs), + DMA_BIDIRECTIONAL); + + if (dma_mapping_error(queue->msg_token)) + goto map_failed; + + err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token, + PAGE_SIZE); + + /* If the adapter was left active for some reason (like kexec) + * try freeing and re-registering + */ + if (err == H_RESOURCE) { + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + + err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token, + PAGE_SIZE); + } + + if (err != H_SUCCESS && err != 2) { + eprintk("Error 0x%x opening virtual adapter\n", err); + goto reg_crq_failed; + } + + err = request_irq(vport->dma_dev->irq, &ibmvstgt_interrupt, + SA_INTERRUPT, "ibmvstgt", target); + if (err) + goto req_irq_failed; + + vio_enable_interrupts(vport->dma_dev); + + h_send_crq(vport->dma_dev->unit_address, 0xC001000000000000, 0); + + queue->cur = 0; + spin_lock_init(&queue->lock); + + return 0; + +req_irq_failed: + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + +reg_crq_failed: + dma_unmap_single(target->dev, queue->msg_token, + queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL); +map_failed: + free_page((unsigned long) queue->msgs); + +malloc_failed: + return -ENOMEM; +} + +static void crq_queue_destroy(struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + struct crq_queue *queue = &vport->crq_queue; + int err; + + free_irq(vport->dma_dev->irq, target); + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + + dma_unmap_single(target->dev, queue->msg_token, + queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL); + + free_page((unsigned long) queue->msgs); +} + +static void process_crq(struct viosrp_crq *crq, struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + dprintk("%x %x\n", crq->valid, crq->format); + + switch (crq->valid) { + case 0xC0: + /* initialization */ + switch (crq->format) { + case 0x01: + h_send_crq(vport->dma_dev->unit_address, + 0xC002000000000000, 0); + break; + case 0x02: + break; + default: + eprintk("Unknown format %u\n", crq->format); + } + break; + case 0xFF: + /* transport event */ + break; + case 0x80: + /* real payload */ + switch (crq->format) { + case VIOSRP_SRP_FORMAT: + case VIOSRP_MAD_FORMAT: + process_iu(crq, target); + break; + case VIOSRP_OS400_FORMAT: + case VIOSRP_AIX_FORMAT: + case VIOSRP_LINUX_FORMAT: + case VIOSRP_INLINE_FORMAT: + eprintk("Unsupported format %u\n", crq->format); + break; + default: + eprintk("Unknown format %u\n", crq->format); + } + break; + default: + eprintk("unknown message type 0x%02x!?\n", crq->valid); + } +} + +static inline struct viosrp_crq *next_crq(struct crq_queue *queue) +{ + struct viosrp_crq *crq; + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + crq = &queue->msgs[queue->cur]; + if (crq->valid & 0x80) { + if (++queue->cur == queue->size) + queue->cur = 0; + } else + crq = NULL; + spin_unlock_irqrestore(&queue->lock, flags); + + return crq; +} + +static void handle_crq(void *data) +{ + struct srp_target *target = (struct srp_target *) data; + struct vio_port *vport = target_to_port(target); + struct viosrp_crq *crq; + int done = 0; + + while (!done) { + while ((crq = next_crq(&vport->crq_queue)) != NULL) { + process_crq(crq, target); + crq->valid = 0x00; + } + + vio_enable_interrupts(vport->dma_dev); + + crq = next_crq(&vport->crq_queue); + if (crq) { + vio_disable_interrupts(vport->dma_dev); + process_crq(crq, target); + crq->valid = 0x00; + } else + done = 1; + } + + handle_cmd_queue(target); +} + + +static int ibmvstgt_eh_abort_handler(struct scsi_cmnd *sc) +{ + unsigned long flags; + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + + dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]); + + spin_lock_irqsave(&target->lock, flags); + list_del(&iue->ilist); + spin_unlock_irqrestore(&target->lock, flags); + + srp_iu_put(iue); + + return 0; +} + +static int ibmvstgt_tsk_mgmt_response(u64 mid, int result) +{ + struct iu_entry *iue = (struct iu_entry *) ((void *) mid); + union viosrp_iu *iu = vio_iu(iue); + unsigned char status, asc; + + eprintk("%p %d\n", iue, result); + status = NO_SENSE; + asc = 0; + + switch (iu->srp.tsk_mgmt.tsk_mgmt_func) { + case SRP_TSK_ABORT_TASK: + asc = 0x14; + if (result) + status = ABORTED_COMMAND; + break; + default: + break; + } + + send_rsp(iue, NULL, status, asc); + srp_iu_put(iue); + + return 0; +} + +static ssize_t system_id_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", system_id); +} + +static ssize_t partition_number_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%x\n", partition_number); +} + +static ssize_t unit_address_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct srp_target *target = host_to_srp_target(shost); + struct vio_port *vport = target_to_port(target); + return snprintf(buf, PAGE_SIZE, "%x\n", vport->dma_dev->unit_address); +} + +static CLASS_DEVICE_ATTR(system_id, S_IRUGO, system_id_show, NULL); +static CLASS_DEVICE_ATTR(partition_number, S_IRUGO, partition_number_show, NULL); +static CLASS_DEVICE_ATTR(unit_address, S_IRUGO, unit_address_show, NULL); + +static struct class_device_attribute *ibmvstgt_attrs[] = { + &class_device_attr_system_id, + &class_device_attr_partition_number, + &class_device_attr_unit_address, + NULL, +}; + +static struct scsi_host_template ibmvstgt_sht = { + .name = TGT_NAME, + .module = THIS_MODULE, + .can_queue = INITIAL_SRP_LIMIT, + .sg_tablesize = SG_ALL, + .use_clustering = DISABLE_CLUSTERING, + .max_sectors = DEFAULT_MAX_SECTORS, + .transfer_response = ibmvstgt_cmd_done, + .transfer_data = ibmvstgt_transfer_data, + .eh_abort_handler = ibmvstgt_eh_abort_handler, + .tsk_mgmt_response = ibmvstgt_tsk_mgmt_response, + .shost_attrs = ibmvstgt_attrs, + .proc_name = TGT_NAME, +}; + +static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id) +{ + struct Scsi_Host *shost; + struct srp_target *target; + struct vio_port *vport; + unsigned int *dma, dma_size; + int err = -ENOMEM; + + vport = kzalloc(sizeof(struct vio_port), GFP_KERNEL); + if (!vport) + return err; + shost = scsi_host_alloc(&ibmvstgt_sht, sizeof(struct srp_target)); + if (!shost) + goto free_vport; + err = scsi_tgt_alloc_queue(shost); + if (err) + goto put_host; + + target = host_to_srp_target(shost); + target->shost = shost; + vport->dma_dev = dev; + target->ldata = vport; + err = srp_target_alloc(target, &dev->dev, INITIAL_SRP_LIMIT, + SRP_MAX_IU_LEN); + if (err) + goto put_host; + + dma = (unsigned int *) vio_get_attribute(dev, "ibm,my-dma-window", + &dma_size); + if (!dma || dma_size != 40) { + eprintk("Couldn't get window property %d\n", dma_size); + err = -EIO; + goto free_srp_target; + } + vport->liobn = dma[0]; + vport->riobn = dma[5]; + + INIT_WORK(&vport->crq_work, handle_crq, target); + + err = crq_queue_create(&vport->crq_queue, target); + if (err) + goto free_srp_target; + + err = scsi_add_host(shost, target->dev); + if (err) + goto destroy_queue; + return 0; + +destroy_queue: + crq_queue_destroy(target); +free_srp_target: + srp_target_free(target); +put_host: + scsi_host_put(shost); +free_vport: + kfree(vport); + return err; +} + +static int ibmvstgt_remove(struct vio_dev *dev) +{ + struct srp_target *target = (struct srp_target *) dev->dev.driver_data; + struct Scsi_Host *shost = target->shost; + struct vio_port *vport = target->ldata; + + crq_queue_destroy(target); + scsi_remove_host(shost); + scsi_tgt_free_queue(shost); + srp_target_free(target); + kfree(vport); + scsi_host_put(shost); + return 0; +} + +static struct vio_device_id ibmvstgt_device_table[] __devinitdata = { + {"v-scsi-host", "IBM,v-scsi-host"}, + {"",""} +}; + +MODULE_DEVICE_TABLE(vio, ibmvstgt_device_table); + +static struct vio_driver ibmvstgt_driver = { + .id_table = ibmvstgt_device_table, + .probe = ibmvstgt_probe, + .remove = ibmvstgt_remove, + .driver = { + .name = "ibmvscsis", + .owner = THIS_MODULE, + } +}; + +static int get_system_info(void) +{ + struct device_node *rootdn; + const char *id, *model, *name; + unsigned int *num; + + rootdn = find_path_device("/"); + if (!rootdn) + return -ENOENT; + + model = get_property(rootdn, "model", NULL); + id = get_property(rootdn, "system-id", NULL); + if (model && id) + snprintf(system_id, sizeof(system_id), "%s-%s", model, id); + + name = get_property(rootdn, "ibm,partition-name", NULL); + if (name) + strncpy(partition_name, name, sizeof(partition_name)); + + num = (unsigned int *) get_property(rootdn, "ibm,partition-no", NULL); + if (num) + partition_number = *num; + + return 0; +} + +static int ibmvstgt_init(void) +{ + int err = -ENOMEM; + + printk("IBM eServer i/pSeries Virtual SCSI Target Driver\n"); + + vtgtd = create_workqueue("ibmvtgtd"); + if (!vtgtd) + return err; + + err = get_system_info(); + if (err) + goto destroy_wq; + + err = vio_register_driver(&ibmvstgt_driver); + if (err) + goto destroy_wq; + + return 0; + +destroy_wq: + destroy_workqueue(vtgtd); + return err; +} + +static void ibmvstgt_exit(void) +{ + printk("Unregister IBM virtual SCSI driver\n"); + + destroy_workqueue(vtgtd); + vio_unregister_driver(&ibmvstgt_driver); +} + +MODULE_DESCRIPTION("IBM Virtual SCSI Target"); +MODULE_AUTHOR("Santiago Leon"); +MODULE_LICENSE("GPL"); + +module_init(ibmvstgt_init); +module_exit(ibmvstgt_exit); diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index afed293..f160357 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -170,7 +170,7 @@ static int setup_debug = 0; static void i91uSCBPost(BYTE * pHcb, BYTE * pScb); /* PCI Devices supported by this driver */ -static struct pci_device_id i91u_pci_devices[] __devinitdata = { +static struct pci_device_id i91u_pci_devices[] = { { PCI_VENDOR_ID_INIT, I950_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_INIT, I940_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_INIT, I935_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 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); diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 6d03528..9f62a1d 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -37,8 +37,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.2.0" -#define IPR_DRIVER_DATE "(September 25, 2006)" +#define IPR_DRIVER_VERSION "2.3.0" +#define IPR_DRIVER_DATE "(November 8, 2006)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding @@ -54,6 +54,8 @@ */ #define IPR_NUM_BASE_CMD_BLKS 100 +#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339 + #define IPR_SUBS_DEV_ID_2780 0x0264 #define IPR_SUBS_DEV_ID_5702 0x0266 #define IPR_SUBS_DEV_ID_5703 0x0278 @@ -66,7 +68,11 @@ #define IPR_SUBS_DEV_ID_571F 0x02D5 #define IPR_SUBS_DEV_ID_572A 0x02C1 #define IPR_SUBS_DEV_ID_572B 0x02C2 +#define IPR_SUBS_DEV_ID_572F 0x02C3 #define IPR_SUBS_DEV_ID_575B 0x030D +#define IPR_SUBS_DEV_ID_575C 0x0338 +#define IPR_SUBS_DEV_ID_57B7 0x0360 +#define IPR_SUBS_DEV_ID_57B8 0x02C2 #define IPR_NAME "ipr" @@ -98,6 +104,7 @@ #define IPR_IOASC_IOA_WAS_RESET 0x10000001 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002 +#define IPR_DEFAULT_MAX_ERROR_DUMP 984 #define IPR_NUM_LOG_HCAMS 2 #define IPR_NUM_CFG_CHG_HCAMS 2 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS) @@ -731,6 +738,64 @@ struct ipr_hostrcb_type_17_error { u32 data[476]; }__attribute__((packed, aligned (4))); +struct ipr_hostrcb_config_element { + u8 type_status; +#define IPR_PATH_CFG_TYPE_MASK 0xF0 +#define IPR_PATH_CFG_NOT_EXIST 0x00 +#define IPR_PATH_CFG_IOA_PORT 0x10 +#define IPR_PATH_CFG_EXP_PORT 0x20 +#define IPR_PATH_CFG_DEVICE_PORT 0x30 +#define IPR_PATH_CFG_DEVICE_LUN 0x40 + +#define IPR_PATH_CFG_STATUS_MASK 0x0F +#define IPR_PATH_CFG_NO_PROB 0x00 +#define IPR_PATH_CFG_DEGRADED 0x01 +#define IPR_PATH_CFG_FAILED 0x02 +#define IPR_PATH_CFG_SUSPECT 0x03 +#define IPR_PATH_NOT_DETECTED 0x04 +#define IPR_PATH_INCORRECT_CONN 0x05 + + u8 cascaded_expander; + u8 phy; + u8 link_rate; +#define IPR_PHY_LINK_RATE_MASK 0x0F + + __be32 wwid[2]; +}__attribute__((packed, aligned (4))); + +struct ipr_hostrcb_fabric_desc { + __be16 length; + u8 ioa_port; + u8 cascaded_expander; + u8 phy; + u8 path_state; +#define IPR_PATH_ACTIVE_MASK 0xC0 +#define IPR_PATH_NO_INFO 0x00 +#define IPR_PATH_ACTIVE 0x40 +#define IPR_PATH_NOT_ACTIVE 0x80 + +#define IPR_PATH_STATE_MASK 0x0F +#define IPR_PATH_STATE_NO_INFO 0x00 +#define IPR_PATH_HEALTHY 0x01 +#define IPR_PATH_DEGRADED 0x02 +#define IPR_PATH_FAILED 0x03 + + __be16 num_entries; + struct ipr_hostrcb_config_element elem[1]; +}__attribute__((packed, aligned (4))); + +#define for_each_fabric_cfg(fabric, cfg) \ + for (cfg = (fabric)->elem; \ + cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \ + cfg++) + +struct ipr_hostrcb_type_20_error { + u8 failure_reason[64]; + u8 reserved[3]; + u8 num_entries; + struct ipr_hostrcb_fabric_desc desc[1]; +}__attribute__((packed, aligned (4))); + struct ipr_hostrcb_error { __be32 failing_dev_ioasc; struct ipr_res_addr failing_dev_res_addr; @@ -747,6 +812,7 @@ struct ipr_hostrcb_error { struct ipr_hostrcb_type_13_error type_13_error; struct ipr_hostrcb_type_14_error type_14_error; struct ipr_hostrcb_type_17_error type_17_error; + struct ipr_hostrcb_type_20_error type_20_error; } u; }__attribute__((packed, aligned (4))); @@ -786,6 +852,7 @@ struct ipr_hcam { #define IPR_HOST_RCB_OVERLAY_ID_14 0x14 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17 +#define IPR_HOST_RCB_OVERLAY_ID_20 0x20 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF u8 reserved1[3]; @@ -805,6 +872,7 @@ struct ipr_hostrcb { struct ipr_hcam hcam; dma_addr_t hostrcb_dma; struct list_head queue; + struct ipr_ioa_cfg *ioa_cfg; }; /* IPR smart dump table structures */ @@ -1283,6 +1351,17 @@ struct ipr_ucode_image_header { } \ } +#define ipr_hcam_err(hostrcb, fmt, ...) \ +{ \ + if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \ + ipr_ra_err((hostrcb)->ioa_cfg, \ + (hostrcb)->hcam.u.error.failing_dev_res_addr, \ + fmt, ##__VA_ARGS__); \ + } else { \ + dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \ + } \ +} + #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\ __FILE__, __FUNCTION__, __LINE__) diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index f06a06a..8b704f7 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -5001,7 +5001,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 45) @@ -5027,7 +5027,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 240) @@ -5045,7 +5045,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) @@ -5095,7 +5095,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 45) @@ -5121,7 +5121,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 240) @@ -5139,7 +5139,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) @@ -5191,7 +5191,7 @@ ips_init_morpheus(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 45) { @@ -5217,7 +5217,7 @@ ips_init_morpheus(ips_ha_t * ha) if (Post != 0x4F00) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 120) { @@ -5247,7 +5247,7 @@ ips_init_morpheus(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) { @@ -5307,12 +5307,12 @@ ips_reset_copperhead(ips_ha_t * ha) outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); outb(0, ha->io_addr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); if ((*ha->func.init) (ha)) break; @@ -5352,12 +5352,12 @@ ips_reset_copperhead_memio(ips_ha_t * ha) writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); writeb(0, ha->mem_ptr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); if ((*ha->func.init) (ha)) break; @@ -5398,7 +5398,7 @@ ips_reset_morpheus(ips_ha_t * ha) writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR); /* Delay for 5 Seconds */ - msleep(5 * IPS_ONE_SEC); + MDELAY(5 * IPS_ONE_SEC); /* Do a PCI config read to wait for adapter */ pci_read_config_byte(ha->pcidev, 4, &junk); diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h index 34680f3..b726dcc 100644 --- a/drivers/scsi/ips.h +++ b/drivers/scsi/ips.h @@ -51,6 +51,7 @@ #define _IPS_H_ #include <linux/version.h> +#include <linux/nmi.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -116,9 +117,11 @@ dev_printk(level , &((pcidev)->dev) , format , ## arg) #endif - #ifndef MDELAY - #define MDELAY mdelay - #endif + #define MDELAY(n) \ + do { \ + mdelay(n); \ + touch_nmi_watchdog(); \ + } while (0) #ifndef min #define min(x,y) ((x) < (y) ? x : y) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index e34a934..d31e6fa 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -597,10 +597,15 @@ static struct domain_device *sas_ex_discover_end_dev( child->iproto = phy->attached_iproto; memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); sas_hash_addr(child->hashed_sas_addr, child->sas_addr); - phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); - BUG_ON(!phy->port); - /* FIXME: better error handling*/ - BUG_ON(sas_port_add(phy->port) != 0); + if (!phy->port) { + phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); + if (unlikely(!phy->port)) + goto out_err; + if (unlikely(sas_port_add(phy->port) != 0)) { + sas_port_free(phy->port); + goto out_err; + } + } sas_ex_get_linkrate(parent, child, phy); if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) { @@ -615,8 +620,7 @@ static struct domain_device *sas_ex_discover_end_dev( SAS_DPRINTK("report phy sata to %016llx:0x%x returned " "0x%x\n", SAS_ADDR(parent->sas_addr), phy_id, res); - kfree(child); - return NULL; + goto out_free; } memcpy(child->frame_rcvd, &child->sata_dev.rps_resp.rps.fis, sizeof(struct dev_to_host_fis)); @@ -627,14 +631,14 @@ static struct domain_device *sas_ex_discover_end_dev( "%016llx:0x%x returned 0x%x\n", SAS_ADDR(child->sas_addr), SAS_ADDR(parent->sas_addr), phy_id, res); - kfree(child); - return NULL; + goto out_free; } } else if (phy->attached_tproto & SAS_PROTO_SSP) { child->dev_type = SAS_END_DEV; rphy = sas_end_device_alloc(phy->port); /* FIXME: error handling */ - BUG_ON(!rphy); + if (unlikely(!rphy)) + goto out_free; child->tproto = phy->attached_tproto; sas_init_dev(child); @@ -651,9 +655,7 @@ static struct domain_device *sas_ex_discover_end_dev( "at %016llx:0x%x returned 0x%x\n", SAS_ADDR(child->sas_addr), SAS_ADDR(parent->sas_addr), phy_id, res); - /* FIXME: this kfrees list elements without removing them */ - //kfree(child); - return NULL; + goto out_list_del; } } else { SAS_DPRINTK("target proto 0x%x at %016llx:0x%x not handled\n", @@ -663,6 +665,16 @@ static struct domain_device *sas_ex_discover_end_dev( list_add_tail(&child->siblings, &parent_ex->children); return child; + + out_list_del: + list_del(&child->dev_list_node); + sas_rphy_free(rphy); + out_free: + sas_port_delete(phy->port); + out_err: + phy->port = NULL; + kfree(child); + return NULL; } static struct domain_device *sas_ex_discover_expander( diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index c836a23..0fb347b 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -112,6 +112,8 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) } } + INIT_LIST_HEAD(&sas_ha->eh_done_q); + return 0; Undo_ports: @@ -142,7 +144,7 @@ static int sas_get_linkerrors(struct sas_phy *phy) return sas_smp_get_phy_events(phy); } -static int sas_phy_reset(struct sas_phy *phy, int hard_reset) +int sas_phy_reset(struct sas_phy *phy, int hard_reset) { int ret; enum phy_func reset_type; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index e46e793..e064aac 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -29,9 +29,11 @@ #include <scsi/scsi_device.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi.h> +#include <scsi/scsi_eh.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_sas.h> #include "../scsi_sas_internal.h" +#include "../scsi_transport_api.h" #include <linux/err.h> #include <linux/blkdev.h> @@ -46,6 +48,7 @@ static void sas_scsi_task_done(struct sas_task *task) { struct task_status_struct *ts = &task->task_status; struct scsi_cmnd *sc = task->uldd_task; + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host); unsigned ts_flags = task->task_state_flags; int hs = 0, stat = 0; @@ -116,7 +119,7 @@ static void sas_scsi_task_done(struct sas_task *task) sas_free_task(task); /* This is very ugly but this is how SCSI Core works. */ if (ts_flags & SAS_TASK_STATE_ABORTED) - scsi_finish_command(sc); + scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q); else sc->scsi_done(sc); } @@ -307,6 +310,15 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task) spin_unlock_irqrestore(&core->task_queue_lock, flags); } + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: task 0x%p already aborted\n", + __FUNCTION__, task); + return TASK_IS_ABORTED; + } + spin_unlock_irqrestore(&task->task_state_lock, flags); + for (i = 0; i < 5; i++) { SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task); res = si->dft->lldd_abort_task(task); @@ -409,13 +421,16 @@ Again: SAS_DPRINTK("going over list...\n"); list_for_each_entry_safe(cmd, n, &error_q, eh_entry) { struct sas_task *task = TO_SAS_TASK(cmd); + list_del_init(&cmd->eh_entry); + if (!task) { + SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__); + continue; + } SAS_DPRINTK("trying to find task 0x%p\n", task); - list_del_init(&cmd->eh_entry); res = sas_scsi_find_task(task); cmd->eh_eflags = 0; - shost->host_failed--; switch (res) { case TASK_IS_DONE: @@ -491,6 +506,7 @@ Again: } } out: + scsi_eh_flush_done_q(&ha->eh_done_q); SAS_DPRINTK("--- Exit %s\n", __FUNCTION__); return; clear_q: @@ -508,12 +524,18 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) unsigned long flags; if (!task) { - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", + SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n", cmd, task); return EH_HANDLED; } spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: " + "EH_NOT_HANDLED\n", cmd, task); + return EH_NOT_HANDLED; + } if (task->task_state_flags & SAS_TASK_STATE_DONE) { spin_unlock_irqrestore(&task->task_state_lock, flags); SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", @@ -777,6 +799,64 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha) spin_unlock_irqrestore(&core->task_queue_lock, flags); } +static int do_sas_task_abort(struct sas_task *task) +{ + struct scsi_cmnd *sc = task->uldd_task; + struct sas_internal *si = + to_sas_internal(task->dev->port->ha->core.shost->transportt); + unsigned long flags; + int res; + + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: Task %p already aborted.\n", __FUNCTION__, + task); + return 0; + } + + task->task_state_flags |= SAS_TASK_INITIATOR_ABORTED; + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + task->task_state_flags |= SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + if (!si->dft->lldd_abort_task) + return -ENODEV; + + res = si->dft->lldd_abort_task(task); + if ((task->task_state_flags & SAS_TASK_STATE_DONE) || + (res == TMF_RESP_FUNC_COMPLETE)) + { + /* SMP commands don't have scsi_cmds(?) */ + if (!sc) { + task->task_done(task); + return 0; + } + scsi_req_abort_cmd(sc); + scsi_schedule_eh(sc->device->host); + return 0; + } + + spin_lock_irqsave(&task->task_state_lock, flags); + task->task_state_flags &= ~SAS_TASK_INITIATOR_ABORTED; + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + return -EAGAIN; +} + +void sas_task_abort(struct sas_task *task) +{ + int i; + + for (i = 0; i < 5; i++) + if (!do_sas_task_abort(task)) + return; + + SAS_DPRINTK("%s: Could not kill task!\n", __FUNCTION__); +} + EXPORT_SYMBOL_GPL(sas_queuecommand); EXPORT_SYMBOL_GPL(sas_target_alloc); EXPORT_SYMBOL_GPL(sas_slave_configure); @@ -784,3 +864,5 @@ EXPORT_SYMBOL_GPL(sas_slave_destroy); EXPORT_SYMBOL_GPL(sas_change_queue_depth); EXPORT_SYMBOL_GPL(sas_change_queue_type); EXPORT_SYMBOL_GPL(sas_bios_param); +EXPORT_SYMBOL_GPL(sas_task_abort); +EXPORT_SYMBOL_GPL(sas_phy_reset); diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c new file mode 100644 index 0000000..89403b0 --- /dev/null +++ b/drivers/scsi/libsrp.c @@ -0,0 +1,441 @@ +/* + * SCSI RDAM Protocol lib functions + * + * Copyright (C) 2006 FUJITA Tomonori <tomof@acm.org> + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include <linux/err.h> +#include <linux/kfifo.h> +#include <linux/scatterlist.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_tcq.h> +#include <scsi/scsi_tgt.h> +#include <scsi/srp.h> +#include <scsi/libsrp.h> + +enum srp_task_attributes { + SRP_SIMPLE_TASK = 0, + SRP_HEAD_TASK = 1, + SRP_ORDERED_TASK = 2, + SRP_ACA_TASK = 4 +}; + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) +/* #define dprintk eprintk */ +#define dprintk(fmt, args...) + +static int srp_iu_pool_alloc(struct srp_queue *q, size_t max, + struct srp_buf **ring) +{ + int i; + struct iu_entry *iue; + + q->pool = kcalloc(max, sizeof(struct iu_entry *), GFP_KERNEL); + if (!q->pool) + return -ENOMEM; + q->items = kcalloc(max, sizeof(struct iu_entry), GFP_KERNEL); + if (!q->items) + goto free_pool; + + spin_lock_init(&q->lock); + q->queue = kfifo_init((void *) q->pool, max * sizeof(void *), + GFP_KERNEL, &q->lock); + if (IS_ERR(q->queue)) + goto free_item; + + for (i = 0, iue = q->items; i < max; i++) { + __kfifo_put(q->queue, (void *) &iue, sizeof(void *)); + iue->sbuf = ring[i]; + iue++; + } + return 0; + +free_item: + kfree(q->items); +free_pool: + kfree(q->pool); + return -ENOMEM; +} + +static void srp_iu_pool_free(struct srp_queue *q) +{ + kfree(q->items); + kfree(q->pool); +} + +static struct srp_buf **srp_ring_alloc(struct device *dev, + size_t max, size_t size) +{ + int i; + struct srp_buf **ring; + + ring = kcalloc(max, sizeof(struct srp_buf *), GFP_KERNEL); + if (!ring) + return NULL; + + for (i = 0; i < max; i++) { + ring[i] = kzalloc(sizeof(struct srp_buf), GFP_KERNEL); + if (!ring[i]) + goto out; + ring[i]->buf = dma_alloc_coherent(dev, size, &ring[i]->dma, + GFP_KERNEL); + if (!ring[i]->buf) + goto out; + } + return ring; + +out: + for (i = 0; i < max && ring[i]; i++) { + if (ring[i]->buf) + dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma); + kfree(ring[i]); + } + kfree(ring); + + return NULL; +} + +static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max, + size_t size) +{ + int i; + + for (i = 0; i < max; i++) { + dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma); + kfree(ring[i]); + } +} + +int srp_target_alloc(struct srp_target *target, struct device *dev, + size_t nr, size_t iu_size) +{ + int err; + + spin_lock_init(&target->lock); + INIT_LIST_HEAD(&target->cmd_queue); + + target->dev = dev; + target->dev->driver_data = target; + + target->srp_iu_size = iu_size; + target->rx_ring_size = nr; + target->rx_ring = srp_ring_alloc(target->dev, nr, iu_size); + if (!target->rx_ring) + return -ENOMEM; + err = srp_iu_pool_alloc(&target->iu_queue, nr, target->rx_ring); + if (err) + goto free_ring; + + return 0; + +free_ring: + srp_ring_free(target->dev, target->rx_ring, nr, iu_size); + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(srp_target_alloc); + +void srp_target_free(struct srp_target *target) +{ + srp_ring_free(target->dev, target->rx_ring, target->rx_ring_size, + target->srp_iu_size); + srp_iu_pool_free(&target->iu_queue); +} +EXPORT_SYMBOL_GPL(srp_target_free); + +struct iu_entry *srp_iu_get(struct srp_target *target) +{ + struct iu_entry *iue = NULL; + + kfifo_get(target->iu_queue.queue, (void *) &iue, sizeof(void *)); + if (!iue) + return iue; + iue->target = target; + INIT_LIST_HEAD(&iue->ilist); + iue->flags = 0; + return iue; +} +EXPORT_SYMBOL_GPL(srp_iu_get); + +void srp_iu_put(struct iu_entry *iue) +{ + kfifo_put(iue->target->iu_queue.queue, (void *) &iue, sizeof(void *)); +} +EXPORT_SYMBOL_GPL(srp_iu_put); + +static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md, + enum dma_data_direction dir, srp_rdma_t rdma_io, + int dma_map, int ext_desc) +{ + struct iu_entry *iue = NULL; + struct scatterlist *sg = NULL; + int err, nsg = 0, len; + + if (dma_map) { + iue = (struct iu_entry *) sc->SCp.ptr; + sg = sc->request_buffer; + + dprintk("%p %u %u %d\n", iue, sc->request_bufflen, + md->len, sc->use_sg); + + nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, + DMA_BIDIRECTIONAL); + if (!nsg) { + printk("fail to map %p %d\n", iue, sc->use_sg); + return 0; + } + len = min(sc->request_bufflen, md->len); + } else + len = md->len; + + err = rdma_io(sc, sg, nsg, md, 1, dir, len); + + if (dma_map) + dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL); + + return err; +} + +static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, + struct srp_indirect_buf *id, + enum dma_data_direction dir, srp_rdma_t rdma_io, + int dma_map, int ext_desc) +{ + struct iu_entry *iue = NULL; + struct srp_direct_buf *md = NULL; + struct scatterlist dummy, *sg = NULL; + dma_addr_t token = 0; + long err; + unsigned int done = 0; + int nmd, nsg = 0, len; + + if (dma_map || ext_desc) { + iue = (struct iu_entry *) sc->SCp.ptr; + sg = sc->request_buffer; + + dprintk("%p %u %u %d %d\n", + iue, sc->request_bufflen, id->len, + cmd->data_in_desc_cnt, cmd->data_out_desc_cnt); + } + + nmd = id->table_desc.len / sizeof(struct srp_direct_buf); + + if ((dir == DMA_FROM_DEVICE && nmd == cmd->data_in_desc_cnt) || + (dir == DMA_TO_DEVICE && nmd == cmd->data_out_desc_cnt)) { + md = &id->desc_list[0]; + goto rdma; + } + + if (ext_desc && dma_map) { + md = dma_alloc_coherent(iue->target->dev, id->table_desc.len, + &token, GFP_KERNEL); + if (!md) { + eprintk("Can't get dma memory %u\n", id->table_desc.len); + return -ENOMEM; + } + + sg_init_one(&dummy, md, id->table_desc.len); + sg_dma_address(&dummy) = token; + err = rdma_io(sc, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE, + id->table_desc.len); + if (err < 0) { + eprintk("Error copying indirect table %ld\n", err); + goto free_mem; + } + } else { + eprintk("This command uses external indirect buffer\n"); + return -EINVAL; + } + +rdma: + if (dma_map) { + nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL); + if (!nsg) { + eprintk("fail to map %p %d\n", iue, sc->use_sg); + goto free_mem; + } + len = min(sc->request_bufflen, id->len); + } else + len = id->len; + + err = rdma_io(sc, sg, nsg, md, nmd, dir, len); + + if (dma_map) + dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL); + +free_mem: + if (token && dma_map) + dma_free_coherent(iue->target->dev, id->table_desc.len, md, token); + + return done; +} + +static int data_out_desc_size(struct srp_cmd *cmd) +{ + int size = 0; + u8 fmt = cmd->buf_fmt >> 4; + + switch (fmt) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + size = sizeof(struct srp_direct_buf); + break; + case SRP_DATA_DESC_INDIRECT: + size = sizeof(struct srp_indirect_buf) + + sizeof(struct srp_direct_buf) * cmd->data_out_desc_cnt; + break; + default: + eprintk("client error. Invalid data_out_format %x\n", fmt); + break; + } + return size; +} + +/* + * TODO: this can be called multiple times for a single command if it + * has very long data. + */ +int srp_transfer_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, + srp_rdma_t rdma_io, int dma_map, int ext_desc) +{ + struct srp_direct_buf *md; + struct srp_indirect_buf *id; + enum dma_data_direction dir; + int offset, err = 0; + u8 format; + + offset = cmd->add_cdb_len * 4; + + dir = srp_cmd_direction(cmd); + if (dir == DMA_FROM_DEVICE) + offset += data_out_desc_size(cmd); + + if (dir == DMA_TO_DEVICE) + format = cmd->buf_fmt >> 4; + else + format = cmd->buf_fmt & ((1U << 4) - 1); + + switch (format) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + md = (struct srp_direct_buf *) + (cmd->add_data + offset); + err = srp_direct_data(sc, md, dir, rdma_io, dma_map, ext_desc); + break; + case SRP_DATA_DESC_INDIRECT: + id = (struct srp_indirect_buf *) + (cmd->add_data + offset); + err = srp_indirect_data(sc, cmd, id, dir, rdma_io, dma_map, + ext_desc); + break; + default: + eprintk("Unknown format %d %x\n", dir, format); + break; + } + + return err; +} +EXPORT_SYMBOL_GPL(srp_transfer_data); + +static int vscsis_data_length(struct srp_cmd *cmd, enum dma_data_direction dir) +{ + struct srp_direct_buf *md; + struct srp_indirect_buf *id; + int len = 0, offset = cmd->add_cdb_len * 4; + u8 fmt; + + if (dir == DMA_TO_DEVICE) + fmt = cmd->buf_fmt >> 4; + else { + fmt = cmd->buf_fmt & ((1U << 4) - 1); + offset += data_out_desc_size(cmd); + } + + switch (fmt) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + md = (struct srp_direct_buf *) (cmd->add_data + offset); + len = md->len; + break; + case SRP_DATA_DESC_INDIRECT: + id = (struct srp_indirect_buf *) (cmd->add_data + offset); + len = id->len; + break; + default: + eprintk("invalid data format %x\n", fmt); + break; + } + return len; +} + +int srp_cmd_queue(struct Scsi_Host *shost, struct srp_cmd *cmd, void *info, + u64 addr) +{ + enum dma_data_direction dir; + struct scsi_cmnd *sc; + int tag, len, err; + + switch (cmd->task_attr) { + case SRP_SIMPLE_TASK: + tag = MSG_SIMPLE_TAG; + break; + case SRP_ORDERED_TASK: + tag = MSG_ORDERED_TAG; + break; + case SRP_HEAD_TASK: + tag = MSG_HEAD_TAG; + break; + default: + eprintk("Task attribute %d not supported\n", cmd->task_attr); + tag = MSG_ORDERED_TAG; + } + + dir = srp_cmd_direction(cmd); + len = vscsis_data_length(cmd, dir); + + dprintk("%p %x %lx %d %d %d %llx\n", info, cmd->cdb[0], + cmd->lun, dir, len, tag, (unsigned long long) cmd->tag); + + sc = scsi_host_get_command(shost, dir, GFP_KERNEL); + if (!sc) + return -ENOMEM; + + sc->SCp.ptr = info; + memcpy(sc->cmnd, cmd->cdb, MAX_COMMAND_SIZE); + sc->request_bufflen = len; + sc->request_buffer = (void *) (unsigned long) addr; + sc->tag = tag; + err = scsi_tgt_queue_command(sc, (struct scsi_lun *) &cmd->lun, cmd->tag); + if (err) + scsi_host_put_command(shost, sc); + + return err; +} +EXPORT_SYMBOL_GPL(srp_cmd_queue); + +MODULE_DESCRIPTION("SCSI RDAM Protocol lib functions"); +MODULE_AUTHOR("FUJITA Tomonori"); +MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 3f7f5f8..a7de0bc 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -296,13 +296,17 @@ struct lpfc_hba { uint32_t cfg_cr_delay; uint32_t cfg_cr_count; uint32_t cfg_multi_ring_support; + uint32_t cfg_multi_ring_rctl; + uint32_t cfg_multi_ring_type; uint32_t cfg_fdmi_on; uint32_t cfg_discovery_threads; uint32_t cfg_max_luns; uint32_t cfg_poll; uint32_t cfg_poll_tmo; + uint32_t cfg_use_msi; uint32_t cfg_sg_seg_cnt; uint32_t cfg_sg_dma_buf_size; + uint64_t cfg_soft_wwnn; uint64_t cfg_soft_wwpn; uint32_t dev_loss_tmo_changed; @@ -355,7 +359,7 @@ struct lpfc_hba { #define VPD_PORT 0x8 /* valid vpd port data */ #define VPD_MASK 0xf /* mask for any vpd data */ - uint8_t soft_wwpn_enable; + uint8_t soft_wwn_enable; struct timer_list fcp_poll_timer; struct timer_list els_tmofunc; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 2a4e02e..f247e78 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -552,10 +552,10 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); -static char *lpfc_soft_wwpn_key = "C99G71SL8032A"; +static char *lpfc_soft_wwn_key = "C99G71SL8032A"; static ssize_t -lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf, +lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf, size_t count) { struct Scsi_Host *host = class_to_shost(cdev); @@ -579,15 +579,15 @@ lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf, if (buf[cnt-1] == '\n') cnt--; - if ((cnt != strlen(lpfc_soft_wwpn_key)) || - (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0)) + if ((cnt != strlen(lpfc_soft_wwn_key)) || + (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) return -EINVAL; - phba->soft_wwpn_enable = 1; + phba->soft_wwn_enable = 1; return count; } -static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL, - lpfc_soft_wwpn_enable_store); +static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, + lpfc_soft_wwn_enable_store); static ssize_t lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) @@ -613,12 +613,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) if (buf[cnt-1] == '\n') cnt--; - if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) || + if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) return -EINVAL; - phba->soft_wwpn_enable = 0; + phba->soft_wwn_enable = 0; memset(wwpn, 0, sizeof(wwpn)); @@ -639,6 +639,8 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) } phba->cfg_soft_wwpn = wwn_to_u64(wwpn); fc_host_port_name(host) = phba->cfg_soft_wwpn; + if (phba->cfg_soft_wwnn) + fc_host_node_name(host) = phba->cfg_soft_wwnn; dev_printk(KERN_NOTICE, &phba->pcidev->dev, "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); @@ -664,6 +666,66 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); +static ssize_t +lpfc_soft_wwnn_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + return snprintf(buf, PAGE_SIZE, "0x%llx\n", + (unsigned long long)phba->cfg_soft_wwnn); +} + + +static ssize_t +lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + unsigned int i, j, cnt=count; + u8 wwnn[8]; + + /* count may include a LF at end of string */ + if (buf[cnt-1] == '\n') + cnt--; + + if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || + ((cnt == 17) && (*buf++ != 'x')) || + ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) + return -EINVAL; + + /* + * Allow wwnn to be set many times, as long as the enable is set. + * However, once the wwpn is set, everything locks. + */ + + memset(wwnn, 0, sizeof(wwnn)); + + /* Validate and store the new name */ + for (i=0, j=0; i < 16; i++) { + if ((*buf >= 'a') && (*buf <= 'f')) + j = ((j << 4) | ((*buf++ -'a') + 10)); + else if ((*buf >= 'A') && (*buf <= 'F')) + j = ((j << 4) | ((*buf++ -'A') + 10)); + else if ((*buf >= '0') && (*buf <= '9')) + j = ((j << 4) | (*buf++ -'0')); + else + return -EINVAL; + if (i % 2) { + wwnn[i/2] = j & 0xff; + j = 0; + } + } + phba->cfg_soft_wwnn = wwn_to_u64(wwnn); + + dev_printk(KERN_NOTICE, &phba->pcidev->dev, + "lpfc%d: soft_wwnn set. Value will take effect upon " + "setting of the soft_wwpn\n", phba->brd_no); + + return count; +} +static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ + lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); + static int lpfc_poll = 0; module_param(lpfc_poll, int, 0); @@ -802,12 +864,11 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, # LOG_MBOX 0x4 Mailbox events # LOG_INIT 0x8 Initialization events # LOG_LINK_EVENT 0x10 Link events -# LOG_IP 0x20 IP traffic history # LOG_FCP 0x40 FCP traffic history # LOG_NODE 0x80 Node table events # LOG_MISC 0x400 Miscellaneous events # LOG_SLI 0x800 SLI events -# LOG_CHK_COND 0x1000 FCP Check condition flag +# LOG_FCP_ERROR 0x1000 Only log FCP errors # LOG_LIBDFC 0x2000 LIBDFC events # LOG_ALL_MSG 0xffff LOG all messages */ @@ -916,6 +977,22 @@ LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " "SLI rings to spread IOCB entries across"); /* +# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this +# identifies what rctl value to configure the additional ring for. +# Value range is [1,0xff]. Default value is 4 (Unsolicated Data). +*/ +LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, + 255, "Identifies RCTL for additional ring configuration"); + +/* +# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this +# identifies what type value to configure the additional ring for. +# Value range is [1,0xff]. Default value is 5 (LLC/SNAP). +*/ +LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, + 255, "Identifies TYPE for additional ring configuration"); + +/* # lpfc_fdmi_on: controls FDMI support. # 0 = no FDMI support # 1 = support FDMI without attribute of hostname @@ -946,6 +1023,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535, LPFC_ATTR_RW(poll_tmo, 10, 1, 255, "Milliseconds driver will wait between polling FCP ring"); +/* +# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that +# support this feature +# 0 = MSI disabled (default) +# 1 = MSI enabled +# Value range is [0,1]. Default value is 0. +*/ +LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); + struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_info, @@ -974,6 +1060,8 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_lpfc_cr_delay, &class_device_attr_lpfc_cr_count, &class_device_attr_lpfc_multi_ring_support, + &class_device_attr_lpfc_multi_ring_rctl, + &class_device_attr_lpfc_multi_ring_type, &class_device_attr_lpfc_fdmi_on, &class_device_attr_lpfc_max_luns, &class_device_attr_nport_evt_cnt, @@ -982,8 +1070,10 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_issue_reset, &class_device_attr_lpfc_poll, &class_device_attr_lpfc_poll_tmo, + &class_device_attr_lpfc_use_msi, + &class_device_attr_lpfc_soft_wwnn, &class_device_attr_lpfc_soft_wwpn, - &class_device_attr_lpfc_soft_wwpn_enable, + &class_device_attr_lpfc_soft_wwn_enable, NULL, }; @@ -1771,6 +1861,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_cr_delay_init(phba, lpfc_cr_delay); lpfc_cr_count_init(phba, lpfc_cr_count); lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); + lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); + lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); lpfc_fcp_class_init(phba, lpfc_fcp_class); lpfc_use_adisc_init(phba, lpfc_use_adisc); @@ -1782,9 +1874,11 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_discovery_threads_init(phba, lpfc_discovery_threads); lpfc_max_luns_init(phba, lpfc_max_luns); lpfc_poll_tmo_init(phba, lpfc_poll_tmo); + lpfc_use_msi_init(phba, lpfc_use_msi); lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); phba->cfg_poll = lpfc_poll; + phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; /* diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 3add7c2..a51a41b 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -558,6 +558,14 @@ lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, return; } +static void +lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + return; +} + void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp) { @@ -629,6 +637,8 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) bpl->tus.f.bdeSize = RNN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RSNN_NN) bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RFF_ID) + bpl->tus.f.bdeSize = RFF_REQUEST_SZ; else bpl->tus.f.bdeSize = 0; bpl->tus.w = le32_to_cpu(bpl->tus.w); @@ -660,6 +670,17 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) cmpl = lpfc_cmpl_ct_cmd_rft_id; break; + case SLI_CTNS_RFF_ID: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_RFF_ID); + CtReq->un.rff.PortId = be32_to_cpu(phba->fc_myDID); + CtReq->un.rff.feature_res = 0; + CtReq->un.rff.feature_tgt = 0; + CtReq->un.rff.type_code = FC_FCP_DATA; + CtReq->un.rff.feature_init = 1; + cmpl = lpfc_cmpl_ct_cmd_rff_id; + break; + case SLI_CTNS_RNN_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RNN_ID); @@ -934,7 +955,8 @@ lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION); sprintf(ae->un.OsNameVersion, "%s %s %s", - init_utsname()->sysname, init_utsname()->release, + init_utsname()->sysname, + init_utsname()->release, init_utsname()->version); len = strlen(ae->un.OsNameVersion); len += (len & 3) ? (4 - (len & 3)) : 4; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 71864cdc..a5f33a0 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, struct serv_parm *sp, IOCB_t *irsp) { LPFC_MBOXQ_t *mbox; + struct lpfc_dmabuf *mp; int rc; spin_lock_irq(phba->host->host_lock); @@ -307,10 +308,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); if (rc == MBX_NOT_FINISHED) - goto fail_free_mbox; + goto fail_issue_reg_login; return 0; + fail_issue_reg_login: + mp = (struct lpfc_dmabuf *) mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); fail_free_mbox: mempool_free(mbox, phba->mbox_mem_pool); fail: @@ -657,6 +662,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, uint8_t name[sizeof (struct lpfc_name)]; uint32_t rc; + /* Fabric nodes can have the same WWPN so we don't bother searching + * by WWPN. Just return the ndlp that was given to us. + */ + if (ndlp->nlp_type & NLP_FABRIC) + return ndlp; + lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); memset(name, 0, sizeof (struct lpfc_name)); @@ -1122,7 +1133,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, mempool_free(mbox, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)]. + psli->ring[(psli->extra_ring)]. flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)]. @@ -1851,6 +1862,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, IOCB_t *irsp; struct lpfc_nodelist *ndlp; LPFC_MBOXQ_t *mbox = NULL; + struct lpfc_dmabuf *mp; irsp = &rspiocb->iocb; @@ -1862,6 +1874,11 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Check to see if link went down during discovery */ if ((lpfc_els_chk_latt(phba)) || !ndlp) { if (mbox) { + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } mempool_free( mbox, phba->mbox_mem_pool); } goto out; @@ -1893,9 +1910,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } /* NOTE: we should have messages for unsuccessful reglogin */ - mempool_free( mbox, phba->mbox_mem_pool); } else { - mempool_free( mbox, phba->mbox_mem_pool); /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || @@ -1907,6 +1922,12 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } } } + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + mempool_free(mbox, phba->mbox_mem_pool); } out: if (ndlp) { @@ -2644,6 +2665,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba) ndlp->nlp_type |= NLP_FABRIC; ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, NameServer_DID, 0); /* Wait for NameServer login cmpl before we can continue */ @@ -3039,7 +3061,7 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba, /* FARP-REQ received from DID <did> */ lpfc_printf_log(phba, KERN_INFO, - LOG_IP, + LOG_ELS, "%d:0601 FARP-REQ received from DID x%x\n", phba->brd_no, did); @@ -3101,7 +3123,7 @@ lpfc_els_rcv_farpr(struct lpfc_hba * phba, /* FARP-RSP received from DID <did> */ lpfc_printf_log(phba, KERN_INFO, - LOG_IP, + LOG_ELS, "%d:0600 FARP-RSP received from DID x%x\n", phba->brd_no, did); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 19c79a0..c39564e 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -525,7 +525,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) psli = &phba->sli; mb = &pmb->mb; /* Since we don't do discovery right now, turn these off here */ - psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -641,7 +641,7 @@ out: if (rc == MBX_NOT_FINISHED) { mempool_free(pmb, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; phba->hba_state = LPFC_HBA_READY; @@ -672,6 +672,8 @@ lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, sizeof (struct serv_parm)); + if (phba->cfg_soft_wwnn) + u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn); if (phba->cfg_soft_wwpn) u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); memcpy((uint8_t *) & phba->fc_nodename, @@ -696,7 +698,7 @@ out: == MBX_NOT_FINISHED) { mempool_free( pmb, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -715,6 +717,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) { int i; LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; + struct lpfc_dmabuf *mp; + int rc; + sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -793,16 +798,27 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) if (sparam_mbox) { lpfc_read_sparam(phba, sparam_mbox); sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; - lpfc_sli_issue_mbox(phba, sparam_mbox, + rc = lpfc_sli_issue_mbox(phba, sparam_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mp = (struct lpfc_dmabuf *) sparam_mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free(sparam_mbox, phba->mbox_mem_pool); + if (cfglink_mbox) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); + return; + } } if (cfglink_mbox) { phba->hba_state = LPFC_LOCAL_CFG_LINK; lpfc_config_link(phba, cfglink_mbox); cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; - lpfc_sli_issue_mbox(phba, cfglink_mbox, + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); } } @@ -1067,6 +1083,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); + lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID); } phba->fc_ns_retry = 0; @@ -1423,7 +1440,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba, if (iocb->context1 == (uint8_t *) ndlp) return 1; } - } else if (pring->ringno == psli->ip_ring) { + } else if (pring->ringno == psli->extra_ring) { } else if (pring->ringno == psli->fcp_ring) { /* Skip match check if waiting to relogin to FCP target */ @@ -1680,112 +1697,38 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) struct lpfc_nodelist * lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) { - struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_nodelist *ndlp; + struct list_head *lists[]={&phba->fc_nlpunmap_list, + &phba->fc_nlpmap_list, + &phba->fc_plogi_list, + &phba->fc_adisc_list, + &phba->fc_reglogin_list, + &phba->fc_prli_list, + &phba->fc_npr_list, + &phba->fc_unused_list}; + uint32_t search[]={NLP_SEARCH_UNMAPPED, + NLP_SEARCH_MAPPED, + NLP_SEARCH_PLOGI, + NLP_SEARCH_ADISC, + NLP_SEARCH_REGLOGIN, + NLP_SEARCH_PRLI, + NLP_SEARCH_NPR, + NLP_SEARCH_UNUSED}; + int i; uint32_t data1; spin_lock_irq(phba->host->host_lock); - if (order & NLP_SEARCH_UNMAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_nlpunmap_list, nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID unmapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0929 FIND node DID unmapped" - " Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_MAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID mapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0930 FIND node DID mapped " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_PLOGI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PLOGI */ - /* FIND node DID plogi */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0908 FIND node DID plogi " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_ADISC) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to ADISC */ - /* FIND node DID adisc */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID adisc " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_REGLOGIN) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_reglogin_list, nlp_listp) { + for (i = 0; i < ARRAY_SIZE(lists); i++ ) { + if (!(order & search[i])) + continue; + list_for_each_entry(ndlp, lists[i], nlp_listp) { if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | ((uint32_t) ndlp->nlp_xri << 16) | ((uint32_t) ndlp->nlp_type << 8) | ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to REGLOGIN */ - /* FIND node DID reglogin */ lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0901 FIND node DID reglogin" + "%d:0929 FIND node DID " " Data: x%p x%x x%x x%x\n", phba->brd_no, ndlp, ndlp->nlp_DID, @@ -1795,86 +1738,12 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) } } } - - if (order & NLP_SEARCH_PRLI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PRLI */ - /* FIND node DID prli */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0902 FIND node DID prli " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_NPR) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to NPR */ - /* FIND node DID npr */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0903 FIND node DID npr " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_UNUSED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to UNUSED */ - /* FIND node DID unused */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0905 FIND node DID unused " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - spin_unlock_irq(phba->host->host_lock); /* FIND node did <did> NOT FOUND */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_NODE, + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", phba->brd_no, did, order); - - /* no match found */ return NULL; } @@ -2036,7 +1905,7 @@ lpfc_disc_start(struct lpfc_hba * phba) if (rc == MBX_NOT_FINISHED) { mempool_free( mbox, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -2415,7 +2284,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) if (clrlaerr) { lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; phba->hba_state = LPFC_HBA_READY; diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index eedf988..f79cb61 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -42,14 +42,14 @@ #define FCELSSIZE 1024 /* maximum ELS transfer size */ #define LPFC_FCP_RING 0 /* ring 0 for FCP initiator commands */ -#define LPFC_IP_RING 1 /* ring 1 for IP commands */ +#define LPFC_EXTRA_RING 1 /* ring 1 for other protocols */ #define LPFC_ELS_RING 2 /* ring 2 for ELS commands */ #define LPFC_FCP_NEXT_RING 3 #define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */ #define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */ -#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 IP command ring entries */ -#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 IP response ring entries */ +#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 extra command ring entries */ +#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 extra response ring entries */ #define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */ #define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */ #define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */ @@ -121,6 +121,20 @@ struct lpfc_sli_ct_request { uint32_t rsvd[7]; } rft; + struct rff { + uint32_t PortId; + uint8_t reserved[2]; +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t feature_res:6; + uint8_t feature_init:1; + uint8_t feature_tgt:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t feature_tgt:1; + uint8_t feature_init:1; + uint8_t feature_res:6; +#endif + uint8_t type_code; /* type=8 for FCP */ + } rff; struct rnn { uint32_t PortId; /* For RNN_ID requests */ uint8_t wwnn[8]; @@ -136,6 +150,7 @@ struct lpfc_sli_ct_request { #define SLI_CT_REVISION 1 #define GID_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 260) #define RFT_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 228) +#define RFF_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 235) #define RNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 252) #define RSNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request)) @@ -225,6 +240,7 @@ struct lpfc_sli_ct_request { #define SLI_CTNS_RNN_ID 0x0213 #define SLI_CTNS_RCS_ID 0x0214 #define SLI_CTNS_RFT_ID 0x0217 +#define SLI_CTNS_RFF_ID 0x021F #define SLI_CTNS_RSPN_ID 0x0218 #define SLI_CTNS_RPT_ID 0x021A #define SLI_CTNS_RIP_NN 0x0235 @@ -1089,12 +1105,6 @@ typedef struct { #define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11 #define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12 -#define PCI_SUBSYSTEM_ID_LP11000S 0xfc11 -#define PCI_SUBSYSTEM_ID_LP11002S 0xfc12 -#define PCI_SUBSYSTEM_ID_LPE11000S 0xfc21 -#define PCI_SUBSYSTEM_ID_LPE11002S 0xfc22 -#define PCI_SUBSYSTEM_ID_LPE11010S 0xfc2A - #define JEDEC_ID_ADDRESS 0x0080001c #define FIREFLY_JEDEC_ID 0x1ACC #define SUPERFLY_JEDEC_ID 0x0020 @@ -1284,6 +1294,10 @@ typedef struct { /* FireFly BIU registers */ #define CMD_FCP_IREAD_CX 0x1B #define CMD_FCP_ICMND_CR 0x1C #define CMD_FCP_ICMND_CX 0x1D +#define CMD_FCP_TSEND_CX 0x1F +#define CMD_FCP_TRECEIVE_CX 0x21 +#define CMD_FCP_TRSP_CX 0x23 +#define CMD_FCP_AUTO_TRSP_CX 0x29 #define CMD_ADAPTER_MSG 0x20 #define CMD_ADAPTER_DUMP 0x22 @@ -1310,6 +1324,9 @@ typedef struct { /* FireFly BIU registers */ #define CMD_FCP_IREAD64_CX 0x9B #define CMD_FCP_ICMND64_CR 0x9C #define CMD_FCP_ICMND64_CX 0x9D +#define CMD_FCP_TSEND64_CX 0x9F +#define CMD_FCP_TRECEIVE64_CX 0xA1 +#define CMD_FCP_TRSP64_CX 0xA3 #define CMD_GEN_REQUEST64_CR 0xC2 #define CMD_GEN_REQUEST64_CX 0xC3 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a5723ad..afca45c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -268,6 +268,8 @@ lpfc_config_port_post(struct lpfc_hba * phba) kfree(mp); pmb->context1 = NULL; + if (phba->cfg_soft_wwnn) + u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn); if (phba->cfg_soft_wwpn) u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, @@ -349,8 +351,8 @@ lpfc_config_port_post(struct lpfc_hba * phba) phba->hba_state = LPFC_LINK_DOWN; /* Only process IOCBs on ring 0 till hba_state is READY */ - if (psli->ring[psli->ip_ring].cmdringaddr) - psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; + if (psli->ring[psli->extra_ring].cmdringaddr) + psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; if (psli->ring[psli->fcp_ring].cmdringaddr) psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; if (psli->ring[psli->next_ring].cmdringaddr) @@ -517,7 +519,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba) struct lpfc_sli_ring *pring; uint32_t event_data; - if (phba->work_hs & HS_FFER6) { + if (phba->work_hs & HS_FFER6 || + phba->work_hs & HS_FFER5) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, "%d:1301 Re-establishing Link " @@ -611,7 +614,7 @@ lpfc_handle_latt(struct lpfc_hba * phba) pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); if (rc == MBX_NOT_FINISHED) - goto lpfc_handle_latt_free_mp; + goto lpfc_handle_latt_free_mbuf; /* Clear Link Attention in HA REG */ spin_lock_irq(phba->host->host_lock); @@ -621,6 +624,8 @@ lpfc_handle_latt(struct lpfc_hba * phba) return; +lpfc_handle_latt_free_mbuf: + lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_handle_latt_free_mp: kfree(mp); lpfc_handle_latt_free_pmb: @@ -802,19 +807,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) { lpfc_vpd_t *vp; uint16_t dev_id = phba->pcidev->device; - uint16_t dev_subid = phba->pcidev->subsystem_device; - uint8_t hdrtype; int max_speed; - char * ports; struct { char * name; int max_speed; - char * ports; char * bus; - } m = {"<Unknown>", 0, "", ""}; + } m = {"<Unknown>", 0, ""}; - pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); - ports = (hdrtype == 0x80) ? "2-port " : ""; if (mdp && mdp[0] != '\0' && descp && descp[0] != '\0') return; @@ -834,130 +833,93 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) switch (dev_id) { case PCI_DEVICE_ID_FIREFLY: - m = (typeof(m)){"LP6000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP6000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_SUPERFLY: if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) - m = (typeof(m)){"LP7000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP7000", max_speed, "PCI"}; else - m = (typeof(m)){"LP7000E", max_speed, "", "PCI"}; + m = (typeof(m)){"LP7000E", max_speed, "PCI"}; break; case PCI_DEVICE_ID_DRAGONFLY: - m = (typeof(m)){"LP8000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP8000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_CENTAUR: if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) - m = (typeof(m)){"LP9002", max_speed, "", "PCI"}; + m = (typeof(m)){"LP9002", max_speed, "PCI"}; else - m = (typeof(m)){"LP9000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP9000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_RFLY: - m = (typeof(m)){"LP952", max_speed, "", "PCI"}; + m = (typeof(m)){"LP952", max_speed, "PCI"}; break; case PCI_DEVICE_ID_PEGASUS: - m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_THOR: - if (hdrtype == 0x80) - m = (typeof(m)){"LP10000DC", - max_speed, ports, "PCI-X"}; - else - m = (typeof(m)){"LP10000", - max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_VIPER: - m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_PFLY: - m = (typeof(m)){"LP982", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LP982", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_TFLY: - if (hdrtype == 0x80) - m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"}; - else - m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_HELIOS: - if (hdrtype == 0x80) - m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"}; - else - m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_SCSP: - m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_DCSP: - m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_NEPTUNE: - if (hdrtype == 0x80) - m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"}; - else - m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_SCSP: - m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_DCSP: - m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_BMID: - m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_BSMB: - m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_ZEPHYR: - if (hdrtype == 0x80) - m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"}; - else - m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_SCSP: - m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZMID: - m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZSMB: - m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe111", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_LP101: - m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP101", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_LP10000S: - m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"}; + m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; break; case PCI_DEVICE_ID_LP11000S: + m = (typeof(m)){"LP11000-S", max_speed, + "PCI-X2"}; + break; case PCI_DEVICE_ID_LPE11000S: - switch (dev_subid) { - case PCI_SUBSYSTEM_ID_LP11000S: - m = (typeof(m)){"LP11000-S", max_speed, - ports, "PCI-X2"}; - break; - case PCI_SUBSYSTEM_ID_LP11002S: - m = (typeof(m)){"LP11002-S", max_speed, - ports, "PCI-X2"}; - break; - case PCI_SUBSYSTEM_ID_LPE11000S: - m = (typeof(m)){"LPe11000-S", max_speed, - ports, "PCIe"}; - break; - case PCI_SUBSYSTEM_ID_LPE11002S: - m = (typeof(m)){"LPe11002-S", max_speed, - ports, "PCIe"}; - break; - case PCI_SUBSYSTEM_ID_LPE11010S: - m = (typeof(m)){"LPe11010-S", max_speed, - "10-port ", "PCIe"}; - break; - default: - m = (typeof(m)){ NULL }; - break; - } + m = (typeof(m)){"LPe11000-S", max_speed, + "PCIe"}; break; default: m = (typeof(m)){ NULL }; @@ -968,8 +930,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) snprintf(mdp, 79,"%s", m.name); if (descp && descp[0] == '\0') snprintf(descp, 255, - "Emulex %s %dGb %s%s Fibre Channel Adapter", - m.name, m.max_speed, m.ports, m.bus); + "Emulex %s %dGb %s Fibre Channel Adapter", + m.name, m.max_speed, m.bus); } /**************************************************/ @@ -1651,6 +1613,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) if (error) goto out_remove_host; + if (phba->cfg_use_msi) { + error = pci_enable_msi(phba->pcidev); + if (error) + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 " + "Enable MSI failed, continuing with " + "IRQ\n", phba->brd_no); + } + error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, LPFC_DRIVER_NAME, phba); if (error) { @@ -1730,6 +1700,7 @@ out_free_irq: lpfc_stop_timer(phba); phba->work_hba_events = 0; free_irq(phba->pcidev->irq, phba); + pci_disable_msi(phba->pcidev); out_free_sysfs_attr: lpfc_free_sysfs_attr(phba); out_remove_host: @@ -1796,6 +1767,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) /* Release the irq reservation */ free_irq(phba->pcidev->irq, phba); + pci_disable_msi(phba->pcidev); lpfc_cleanup(phba, 0); lpfc_stop_timer(phba); diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index 62c8ca8..438cbcd 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -28,7 +28,7 @@ #define LOG_NODE 0x80 /* Node table events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ -#define LOG_CHK_COND 0x1000 /* FCP Check condition flag */ +#define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ #define LOG_LIBDFC 0x2000 /* Libdfc events */ #define LOG_ALL_MSG 0xffff /* LOG all messages */ diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index d5f4150..0c7e731 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; - struct lpfc_dmabuf *pcmd, *prsp; + struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; IOCB_t *irsp; struct serv_parm *sp; @@ -829,6 +829,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, NLP_REGLOGIN_LIST); return ndlp->nlp_state; } + mp = (struct lpfc_dmabuf *)mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); mempool_free(mbox, phba->mbox_mem_pool); } else { mempool_free(mbox, phba->mbox_mem_pool); @@ -1620,8 +1623,8 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, * or discovery in progress for this node. Starting discovery * here will affect the counting of discovery threads. */ - if ((!(ndlp->nlp_flag & NLP_DELAY_TMO)) && - (ndlp->nlp_flag & NLP_NPR_2B_DISC)){ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && + !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){ if (ndlp->nlp_flag & NLP_NPR_ADISC) { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 97ae98d..c3e68e0 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -297,8 +297,10 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm; uint32_t resp_info = fcprsp->rspStatus2; uint32_t scsi_status = fcprsp->rspStatus3; + uint32_t *lp; uint32_t host_status = DID_OK; uint32_t rsplen = 0; + uint32_t logit = LOG_FCP | LOG_FCP_ERROR; /* * If this is a task management command, there is no @@ -310,10 +312,25 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) goto out; } - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, - "%d:0730 FCP command failed: RSP " - "Data: x%x x%x x%x x%x x%x x%x\n", - phba->brd_no, resp_info, scsi_status, + if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) { + uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen); + if (snslen > SCSI_SENSE_BUFFERSIZE) + snslen = SCSI_SENSE_BUFFERSIZE; + + if (resp_info & RSP_LEN_VALID) + rsplen = be32_to_cpu(fcprsp->rspRspLen); + memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen); + } + lp = (uint32_t *)cmnd->sense_buffer; + + if (!scsi_status && (resp_info & RESID_UNDER)) + logit = LOG_FCP; + + lpfc_printf_log(phba, KERN_WARNING, logit, + "%d:0730 FCP command x%x failed: x%x SNS x%x x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, cmnd->cmnd[0], scsi_status, + be32_to_cpu(*lp), be32_to_cpu(*(lp + 3)), resp_info, be32_to_cpu(fcprsp->rspResId), be32_to_cpu(fcprsp->rspSnsLen), be32_to_cpu(fcprsp->rspRspLen), @@ -328,14 +345,6 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) } } - if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) { - uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen); - if (snslen > SCSI_SENSE_BUFFERSIZE) - snslen = SCSI_SENSE_BUFFERSIZE; - - memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen); - } - cmnd->resid = 0; if (resp_info & RESID_UNDER) { cmnd->resid = be32_to_cpu(fcprsp->rspResId); @@ -378,7 +387,7 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) */ } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm && (cmnd->sc_data_direction == DMA_FROM_DEVICE)) { - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR, "%d:0734 FCP Read Check Error Data: " "x%x x%x x%x x%x\n", phba->brd_no, be32_to_cpu(fcpcmd->fcpDl), @@ -670,6 +679,9 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, struct lpfc_iocbq *iocbqrsp; int ret; + if (!rdata->pnode) + return FAILED; + lpfc_cmd->rdata = rdata; ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun, FCP_TARGET_RESET); @@ -976,20 +988,34 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) lpfc_block_error_handler(cmnd); spin_lock_irq(shost->host_lock); + loopcnt = 0; /* * If target is not in a MAPPED state, delay the reset until * target is rediscovered or devloss timeout expires. */ while ( 1 ) { if (!pnode) - break; + return FAILED; if (pnode->nlp_state != NLP_STE_MAPPED_NODE) { spin_unlock_irq(phba->host->host_lock); schedule_timeout_uninterruptible(msecs_to_jiffies(500)); spin_lock_irq(phba->host->host_lock); + loopcnt++; + rdata = cmnd->device->hostdata; + if (!rdata || + (loopcnt > ((phba->cfg_devloss_tmo * 2) + 1))) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "%d:0721 LUN Reset rport failure:" + " cnt x%x rdata x%p\n", + phba->brd_no, loopcnt, rdata); + goto out; + } + pnode = rdata->pnode; + if (!pnode) + return FAILED; } - if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE)) + if (pnode->nlp_state == NLP_STE_MAPPED_NODE) break; } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 582f5ea..a4128e1 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -117,6 +117,10 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_FCP_IREAD_CX: case CMD_FCP_ICMND_CR: case CMD_FCP_ICMND_CX: + case CMD_FCP_TSEND_CX: + case CMD_FCP_TRSP_CX: + case CMD_FCP_TRECEIVE_CX: + case CMD_FCP_AUTO_TRSP_CX: case CMD_ADAPTER_MSG: case CMD_ADAPTER_DUMP: case CMD_XMIT_SEQUENCE64_CR: @@ -131,6 +135,9 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_FCP_IREAD64_CX: case CMD_FCP_ICMND64_CR: case CMD_FCP_ICMND64_CX: + case CMD_FCP_TSEND64_CX: + case CMD_FCP_TRSP64_CX: + case CMD_FCP_TRECEIVE64_CX: case CMD_GEN_REQUEST64_CR: case CMD_GEN_REQUEST64_CX: case CMD_XMIT_ELS_RSP64_CX: @@ -1098,6 +1105,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, lpfc_sli_pcimem_bcopy((uint32_t *) entry, (uint32_t *) &rspiocbq.iocb, sizeof (IOCB_t)); + INIT_LIST_HEAD(&(rspiocbq.list)); irsp = &rspiocbq.iocb; type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); @@ -1149,6 +1157,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, } } break; + case LPFC_UNSOL_IOCB: + spin_unlock_irqrestore(phba->host->host_lock, iflag); + lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); + spin_lock_irqsave(phba->host->host_lock, iflag); + break; default: if (irsp->ulpCommand == CMD_ADAPTER_MSG) { char adaptermsg[LPFC_MAX_ADPTMSG]; @@ -2472,13 +2485,17 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) psli = &phba->sli; /* Adjust cmd/rsp ring iocb entries more evenly */ + + /* Take some away from the FCP ring */ pring = &psli->ring[psli->fcp_ring]; pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; - pring = &psli->ring[1]; + /* and give them to the extra ring */ + pring = &psli->ring[psli->extra_ring]; + pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; @@ -2488,8 +2505,8 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) pring->iotag_max = 4096; pring->num_mask = 1; pring->prt[0].profile = 0; /* Mask 0 */ - pring->prt[0].rctl = FC_UNSOL_DATA; - pring->prt[0].type = 5; + pring->prt[0].rctl = phba->cfg_multi_ring_rctl; + pring->prt[0].type = phba->cfg_multi_ring_type; pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; return 0; } @@ -2505,7 +2522,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) psli->sli_flag = 0; psli->fcp_ring = LPFC_FCP_RING; psli->next_ring = LPFC_FCP_NEXT_RING; - psli->ip_ring = LPFC_IP_RING; + psli->extra_ring = LPFC_EXTRA_RING; psli->iocbq_lookup = NULL; psli->iocbq_lookup_len = 0; @@ -2528,7 +2545,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) pring->fast_iotag = pring->iotag_max; pring->num_mask = 0; break; - case LPFC_IP_RING: /* ring 1 - IP */ + case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ /* numCiocb and numRiocb are used in config_port */ pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; @@ -3238,6 +3255,21 @@ lpfc_intr_handler(int irq, void *dev_id) lpfc_sli_handle_fast_ring_event(phba, &phba->sli.ring[LPFC_FCP_RING], status); + + if (phba->cfg_multi_ring_support == 2) { + /* + * Process all events on extra ring. Take the optimized path + * for extra ring IO. Any other IO is slow path and is handled + * by the worker thread. + */ + status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); + status >>= (4*LPFC_EXTRA_RING); + if (status & HA_RXATT) { + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_EXTRA_RING], + status); + } + } return IRQ_HANDLED; } /* lpfc_intr_handler */ diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index e26de6809..a435499 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -198,7 +198,7 @@ struct lpfc_sli { int fcp_ring; /* ring used for FCP initiator commands */ int next_ring; - int ip_ring; /* ring used for IP network drv cmds */ + int extra_ring; /* extra ring used for other protocols */ struct lpfc_sli_stat slistat; /* SLI statistical info */ struct list_head mboxq; diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index ac41790..a61ef3d1 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.1.10" +#define LPFC_DRIVER_VERSION "8.1.11" #define LPFC_DRIVER_NAME "lpfc" diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 86099fd..77d9d38 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -73,10 +73,10 @@ static unsigned short int max_mbox_busy_wait = MBOX_BUSY_WAIT; module_param(max_mbox_busy_wait, ushort, 0); MODULE_PARM_DESC(max_mbox_busy_wait, "Maximum wait for mailbox in microseconds if busy (default=MBOX_BUSY_WAIT=10)"); -#define RDINDOOR(adapter) readl((adapter)->base + 0x20) -#define RDOUTDOOR(adapter) readl((adapter)->base + 0x2C) -#define WRINDOOR(adapter,value) writel(value, (adapter)->base + 0x20) -#define WROUTDOOR(adapter,value) writel(value, (adapter)->base + 0x2C) +#define RDINDOOR(adapter) readl((adapter)->mmio_base + 0x20) +#define RDOUTDOOR(adapter) readl((adapter)->mmio_base + 0x2C) +#define WRINDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x20) +#define WROUTDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x2C) /* * Global variables @@ -1386,7 +1386,8 @@ megaraid_isr_memmapped(int irq, void *devp) handled = 1; - while( RDINDOOR(adapter) & 0x02 ) cpu_relax(); + while( RDINDOOR(adapter) & 0x02 ) + cpu_relax(); mega_cmd_done(adapter, completed, nstatus, status); @@ -4668,6 +4669,8 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->host_no, mega_baseport, irq); adapter->base = mega_baseport; + if (flag & BOARD_MEMMAP) + adapter->mmio_base = (void __iomem *) mega_baseport; INIT_LIST_HEAD(&adapter->free_list); INIT_LIST_HEAD(&adapter->pending_list); diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index 66529f1..c6e7464 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -801,7 +801,8 @@ typedef struct { clustering is available */ u32 flag; - unsigned long base; + unsigned long base; + void __iomem *mmio_base; /* mbox64 with mbox not aligned on 16-byte boundry */ mbox64_t *una_mbox64; diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 7e4262f..046223b 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -517,7 +517,7 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp, * Returns the number of frames required for numnber of sge's (sge_count) */ -u32 megasas_get_frame_count(u8 sge_count) +static u32 megasas_get_frame_count(u8 sge_count) { int num_cnt; int sge_bytes; @@ -1733,7 +1733,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance, * * Tasklet to complete cmds */ -void megasas_complete_cmd_dpc(unsigned long instance_addr) +static void megasas_complete_cmd_dpc(unsigned long instance_addr) { u32 producer; u32 consumer; diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index adb8eb4..bbf521c 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -589,10 +589,12 @@ static int __map_scsi_sg_data(struct device *dev, struct scsi_cmnd *cmd) static struct ncr_driver_setup driver_setup = SCSI_NCR_DRIVER_SETUP; +#ifndef MODULE #ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT static struct ncr_driver_setup driver_safe_setup __initdata = SCSI_NCR_DRIVER_SAFE_SETUP; #endif +#endif /* !MODULE */ #define initverbose (driver_setup.verbose) #define bootverbose (np->verbose) @@ -641,6 +643,13 @@ static struct ncr_driver_setup #define OPT_IARB 26 #endif +#ifdef MODULE +#define ARG_SEP ' ' +#else +#define ARG_SEP ',' +#endif + +#ifndef MODULE static char setup_token[] __initdata = "tags:" "mpar:" "spar:" "disc:" @@ -660,12 +669,6 @@ static char setup_token[] __initdata = #endif ; /* DONNOT REMOVE THIS ';' */ -#ifdef MODULE -#define ARG_SEP ' ' -#else -#define ARG_SEP ',' -#endif - static int __init get_setup_token(char *p) { char *cur = setup_token; @@ -682,7 +685,6 @@ static int __init get_setup_token(char *p) return 0; } - static int __init sym53c8xx__setup(char *str) { #ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT @@ -804,6 +806,7 @@ static int __init sym53c8xx__setup(char *str) #endif /* SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT */ return 1; } +#endif /* !MODULE */ /*=================================================================== ** @@ -8321,12 +8324,12 @@ char *ncr53c8xx; /* command line passed by insmod */ module_param(ncr53c8xx, charp, 0); #endif +#ifndef MODULE static int __init ncr53c8xx_setup(char *str) { return sym53c8xx__setup(str); } -#ifndef MODULE __setup("ncr53c8xx=", ncr53c8xx_setup); #endif diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 285c8e8..7b18a6c 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -390,7 +390,7 @@ static struct sysfs_entry { { "optrom_ctl", &sysfs_optrom_ctl_attr, }, { "vpd", &sysfs_vpd_attr, 1 }, { "sfp", &sysfs_sfp_attr, 1 }, - { 0 }, + { NULL }, }; void diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 08cb5e3..a823f0b 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -59,9 +59,6 @@ int qla2x00_initialize_adapter(scsi_qla_host_t *ha) { int rval; - uint8_t restart_risc = 0; - uint8_t retry; - uint32_t wait_time; /* Clear adapter flags. */ ha->flags.online = 0; @@ -104,87 +101,15 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha) qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); - retry = 10; - /* - * Try to configure the loop. - */ - do { - restart_risc = 0; - - /* If firmware needs to be loaded */ - if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { - if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { - rval = qla2x00_setup_chip(ha); - } - } - - if (rval == QLA_SUCCESS && - (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { -check_fw_ready_again: - /* - * Wait for a successful LIP up to a maximum - * of (in seconds): RISC login timeout value, - * RISC retry count value, and port down retry - * value OR a minimum of 4 seconds OR If no - * cable, only 5 seconds. - */ - rval = qla2x00_fw_ready(ha); - if (rval == QLA_SUCCESS) { - clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); - - /* Issue a marker after FW becomes ready. */ - qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); - - /* - * Wait at most MAX_TARGET RSCNs for a stable - * link. - */ - wait_time = 256; - do { - clear_bit(LOOP_RESYNC_NEEDED, - &ha->dpc_flags); - rval = qla2x00_configure_loop(ha); - - if (test_and_clear_bit(ISP_ABORT_NEEDED, - &ha->dpc_flags)) { - restart_risc = 1; - break; - } - - /* - * If loop state change while we were - * discoverying devices then wait for - * LIP to complete - */ - - if (atomic_read(&ha->loop_state) != - LOOP_READY && retry--) { - goto check_fw_ready_again; - } - wait_time--; - } while (!atomic_read(&ha->loop_down_timer) && - retry && - wait_time && - (test_bit(LOOP_RESYNC_NEEDED, - &ha->dpc_flags))); - - if (wait_time == 0) - rval = QLA_FUNCTION_FAILED; - } else if (ha->device_flags & DFLG_NO_CABLE) - /* If no cable, then all is good. */ - rval = QLA_SUCCESS; - } - } while (restart_risc && retry--); - - if (rval == QLA_SUCCESS) { - clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); - qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); - ha->marker_needed = 0; - - ha->flags.online = 1; - } else { - DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); + if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { + rval = ha->isp_ops.chip_diag(ha); + if (rval) + return (rval); + rval = qla2x00_setup_chip(ha); + if (rval) + return (rval); } + rval = qla2x00_init_rings(ha); return (rval); } @@ -2208,8 +2133,7 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) atomic_set(&fcport->state, FCS_ONLINE); - if (ha->flags.init_done) - qla2x00_reg_remote_port(ha, fcport); + qla2x00_reg_remote_port(ha, fcport); } void diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 208607b..cbe0cad 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -95,6 +95,8 @@ MODULE_PARM_DESC(ql2xqfullrampup, */ static int qla2xxx_slave_configure(struct scsi_device * device); static int qla2xxx_slave_alloc(struct scsi_device *); +static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); +static void qla2xxx_scan_start(struct Scsi_Host *); static void qla2xxx_slave_destroy(struct scsi_device *); static int qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)); @@ -124,6 +126,8 @@ static struct scsi_host_template qla2x00_driver_template = { .slave_alloc = qla2xxx_slave_alloc, .slave_destroy = qla2xxx_slave_destroy, + .scan_finished = qla2xxx_scan_finished, + .scan_start = qla2xxx_scan_start, .change_queue_depth = qla2x00_change_queue_depth, .change_queue_type = qla2x00_change_queue_type, .this_id = -1, @@ -287,7 +291,7 @@ qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) return str; } -char * +static char * qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) { char un_str[10]; @@ -325,7 +329,7 @@ qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) return (str); } -char * +static char * qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) { sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, @@ -634,7 +638,7 @@ qla2x00_block_error_handler(struct scsi_cmnd *cmnd) * Note: * Only return FAILED if command not returned by firmware. **************************************************************************/ -int +static int qla2xxx_eh_abort(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -771,7 +775,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) * SUCCESS/FAILURE (defined as macro in scsi.h). * **************************************************************************/ -int +static int qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -902,7 +906,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) * SUCCESS/FAILURE (defined as macro in scsi.h). * **************************************************************************/ -int +static int qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -963,7 +967,7 @@ eh_bus_reset_done: * * Note: **************************************************************************/ -int +static int qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -1366,6 +1370,29 @@ qla24xx_disable_intrs(scsi_qla_host_t *ha) spin_unlock_irqrestore(&ha->hardware_lock, flags); } +static void +qla2xxx_scan_start(struct Scsi_Host *shost) +{ + scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; + + set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); + set_bit(RSCN_UPDATE, &ha->dpc_flags); +} + +static int +qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; + + if (!ha->host) + return 1; + if (time > ha->loop_reset_delay * HZ) + return 1; + + return atomic_read(&ha->loop_state) == LOOP_READY; +} + /* * PCI driver interface */ @@ -1377,10 +1404,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) struct Scsi_Host *host; scsi_qla_host_t *ha; unsigned long flags = 0; - unsigned long wait_switch = 0; char pci_info[20]; char fw_str[30]; - fc_port_t *fcport; struct scsi_host_template *sht; if (pci_enable_device(pdev)) @@ -1631,30 +1656,19 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->isp_ops.enable_intrs(ha); - /* v2.19.5b6 */ - /* - * Wait around max loop_reset_delay secs for the devices to come - * on-line. We don't want Linux scanning before we are ready. - * - */ - for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); - time_before(jiffies,wait_switch) && - !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) - && (ha->device_flags & SWITCH_FOUND) ;) { - - qla2x00_check_fabric_devices(ha); - - msleep(10); - } - pci_set_drvdata(pdev, ha); + ha->flags.init_done = 1; + ha->flags.online = 1; + num_hosts++; ret = scsi_add_host(host, &pdev->dev); if (ret) goto probe_failed; + scsi_scan_host(host); + qla2x00_alloc_sysfs_attr(ha); qla2x00_init_host_attr(ha); @@ -1669,10 +1683,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str)); - /* Go with fc_rport registration. */ - list_for_each_entry(fcport, &ha->fcports, list) - qla2x00_reg_remote_port(ha, fcport); - return 0; probe_failed: diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index c71dbd5..15390ad 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -449,7 +449,7 @@ nvram_data_to_access_addr(uint32_t naddr) return FARX_ACCESS_NVRAM_DATA | naddr; } -uint32_t +static uint32_t qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr) { int rval; @@ -490,7 +490,7 @@ qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, return dwptr; } -int +static int qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data) { int rval; @@ -512,7 +512,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data) return rval; } -void +static void qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id, uint8_t *flash_id) { @@ -537,7 +537,7 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id, } } -int +static int qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, uint32_t dwords) { diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c index 752031f..7b4e077 100644 --- a/drivers/scsi/qla4xxx/ql4_dbg.c +++ b/drivers/scsi/qla4xxx/ql4_dbg.c @@ -71,7 +71,7 @@ void __dump_registers(struct scsi_qla_host *ha) readw(&ha->reg->u1.isp4010.nvram)); } - else if (is_qla4022(ha)) { + else if (is_qla4022(ha) | is_qla4032(ha)) { printk(KERN_INFO "0x%02X intr_mask = 0x%08X\n", (uint8_t) offsetof(struct isp_reg, u1.isp4022.intr_mask), @@ -119,7 +119,7 @@ void __dump_registers(struct scsi_qla_host *ha) readw(&ha->reg->u2.isp4010.port_err_status)); } - else if (is_qla4022(ha)) { + else if (is_qla4022(ha) | is_qla4032(ha)) { printk(KERN_INFO "Page 0 Registers:\n"); printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n", (uint8_t) offsetof(struct isp_reg, diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index a7f6c7b..4249e52 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -40,7 +40,11 @@ #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022 -#endif /* */ +#endif + +#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032 +#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032 +#endif #define QLA_SUCCESS 0 #define QLA_ERROR 1 @@ -277,7 +281,6 @@ struct scsi_qla_host { #define AF_INTERRUPTS_ON 6 /* 0x00000040 Not Used */ #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */ #define AF_LINK_UP 8 /* 0x00000100 */ -#define AF_TOPCAT_CHIP_PRESENT 9 /* 0x00000200 */ #define AF_IRQ_ATTACHED 10 /* 0x00000400 */ #define AF_ISNS_CMD_IN_PROCESS 12 /* 0x00001000 */ #define AF_ISNS_CMD_DONE 13 /* 0x00002000 */ @@ -317,16 +320,17 @@ struct scsi_qla_host { /* NVRAM registers */ struct eeprom_data *nvram; spinlock_t hardware_lock ____cacheline_aligned; - spinlock_t list_lock; uint32_t eeprom_cmd_data; /* Counters for general statistics */ + uint64_t isr_count; uint64_t adapter_error_count; uint64_t device_error_count; uint64_t total_io_count; uint64_t total_mbytes_xferred; uint64_t link_failure_count; uint64_t invalid_crc_count; + uint32_t bytes_xfered; uint32_t spurious_int_count; uint32_t aborted_io_count; uint32_t io_timeout_count; @@ -438,6 +442,11 @@ static inline int is_qla4022(struct scsi_qla_host *ha) return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022; } +static inline int is_qla4032(struct scsi_qla_host *ha) +{ + return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032; +} + static inline int adapter_up(struct scsi_qla_host *ha) { return (test_bit(AF_ONLINE, &ha->flags) != 0) && @@ -451,58 +460,58 @@ static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u1.isp4022.semaphore : - &ha->reg->u1.isp4010.nvram); + return (is_qla4010(ha) ? + &ha->reg->u1.isp4010.nvram : + &ha->reg->u1.isp4022.semaphore); } static inline void __iomem* isp_nvram(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u1.isp4022.nvram : - &ha->reg->u1.isp4010.nvram); + return (is_qla4010(ha) ? + &ha->reg->u1.isp4010.nvram : + &ha->reg->u1.isp4022.nvram); } static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.ext_hw_conf : - &ha->reg->u2.isp4010.ext_hw_conf); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.ext_hw_conf : + &ha->reg->u2.isp4022.p0.ext_hw_conf); } static inline void __iomem* isp_port_status(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_status : - &ha->reg->u2.isp4010.port_status); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_status : + &ha->reg->u2.isp4022.p0.port_status); } static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_ctrl : - &ha->reg->u2.isp4010.port_ctrl); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_ctrl : + &ha->reg->u2.isp4022.p0.port_ctrl); } static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_err_status : - &ha->reg->u2.isp4010.port_err_status); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_err_status : + &ha->reg->u2.isp4022.p0.port_err_status); } static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.gp_out : - &ha->reg->u2.isp4010.gp_out); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.gp_out : + &ha->reg->u2.isp4022.p0.gp_out); } static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2 : - offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2); + return (is_qla4010(ha) ? + offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 : + offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2); } int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); @@ -511,59 +520,59 @@ int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); static inline int ql4xxx_lock_flash(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, + QL4010_FLASH_SEM_BITS); + else return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 13); - else - return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, - QL4010_FLASH_SEM_BITS); } static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); } static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, + QL4010_NVRAM_SEM_BITS); + else return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 10); - else - return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, - QL4010_NVRAM_SEM_BITS); } static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); } static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, + QL4010_DRVR_SEM_BITS); + else return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 1); - else - return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, - QL4010_DRVR_SEM_BITS); } static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); } /*---------------------------------------------------------------------------*/ diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index 427489d..4eea8c5 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -296,7 +296,6 @@ static inline uint32_t clr_rmask(uint32_t val) /* ISP Semaphore definitions */ /* ISP General Purpose Output definitions */ -#define GPOR_TOPCAT_RESET 0x00000004 /* shadow registers (DMA'd from HA to system memory. read only) */ struct shadow_regs { @@ -339,10 +338,13 @@ union external_hw_config_reg { /* Mailbox command definitions */ #define MBOX_CMD_ABOUT_FW 0x0009 #define MBOX_CMD_LUN_RESET 0x0016 +#define MBOX_CMD_GET_MANAGEMENT_DATA 0x001E #define MBOX_CMD_GET_FW_STATUS 0x001F #define MBOX_CMD_SET_ISNS_SERVICE 0x0021 #define ISNS_DISABLE 0 #define ISNS_ENABLE 1 +#define MBOX_CMD_COPY_FLASH 0x0024 +#define MBOX_CMD_WRITE_FLASH 0x0025 #define MBOX_CMD_READ_FLASH 0x0026 #define MBOX_CMD_CLEAR_DATABASE_ENTRY 0x0031 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT 0x0056 @@ -360,10 +362,13 @@ union external_hw_config_reg { #define DDB_DS_SESSION_FAILED 0x06 #define DDB_DS_LOGIN_IN_PROCESS 0x07 #define MBOX_CMD_GET_FW_STATE 0x0069 +#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A +#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087 /* Mailbox 1 */ #define FW_STATE_READY 0x0000 #define FW_STATE_CONFIG_WAIT 0x0001 +#define FW_STATE_WAIT_LOGIN 0x0002 #define FW_STATE_ERROR 0x0004 #define FW_STATE_DHCP_IN_PROGRESS 0x0008 diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index 1b221ff..2122967 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -8,6 +8,7 @@ #ifndef __QLA4x_GBL_H #define __QLA4x_GBL_H +int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a); int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port); int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb); int qla4xxx_initialize_adapter(struct scsi_qla_host * ha, @@ -75,4 +76,4 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha, extern int ql4xextended_error_logging; extern int ql4xdiscoverywait; extern int ql4xdontresethba; -#endif /* _QLA4x_GBL_H */ +#endif /* _QLA4x_GBL_H */ diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index bb3a1c1..cc210f2 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -259,10 +259,16 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha) "seconds expired= %d\n", ha->host_no, __func__, ha->firmware_state, ha->addl_fw_state, timeout_count)); + if (is_qla4032(ha) && + !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && + (timeout_count < ADAPTER_INIT_TOV - 5)) { + break; + } + msleep(1000); } /* end of for */ - if (timeout_count <= 0) + if (timeout_count == 0) DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", ha->host_no, __func__)); @@ -806,32 +812,6 @@ int qla4xxx_relogin_device(struct scsi_qla_host *ha, return QLA_SUCCESS; } -/** - * qla4010_get_topcat_presence - check if it is QLA4040 TopCat Chip - * @ha: Pointer to host adapter structure. - * - **/ -static int qla4010_get_topcat_presence(struct scsi_qla_host *ha) -{ - unsigned long flags; - uint16_t topcat; - - if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) - return QLA_ERROR; - spin_lock_irqsave(&ha->hardware_lock, flags); - topcat = rd_nvram_word(ha, offsetof(struct eeprom_data, - isp4010.topcat)); - spin_unlock_irqrestore(&ha->hardware_lock, flags); - - if ((topcat & TOPCAT_MASK) == TOPCAT_PRESENT) - set_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags); - else - clear_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags); - ql4xxx_unlock_nvram(ha); - return QLA_SUCCESS; -} - - static int qla4xxx_config_nvram(struct scsi_qla_host *ha) { unsigned long flags; @@ -866,7 +846,7 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha) /* set defaults */ if (is_qla4010(ha)) extHwConfig.Asuint32_t = 0x1912; - else if (is_qla4022(ha)) + else if (is_qla4022(ha) | is_qla4032(ha)) extHwConfig.Asuint32_t = 0x0023; } DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", @@ -927,7 +907,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) spin_lock_irqsave(&ha->hardware_lock, flags); writel(jiffies, &ha->reg->mailbox[7]); - if (is_qla4022(ha)) + if (is_qla4022(ha) | is_qla4032(ha)) writel(set_rmask(NVR_WRITE_ENABLE), &ha->reg->u1.isp4022.nvram); @@ -978,7 +958,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) return status; } -static int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) +int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) { #define QL4_LOCK_DRVR_WAIT 300 #define QL4_LOCK_DRVR_SLEEP 100 @@ -1018,12 +998,7 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha) int soft_reset = 1; int config_chip = 0; - if (is_qla4010(ha)){ - if (qla4010_get_topcat_presence(ha) != QLA_SUCCESS) - return QLA_ERROR; - } - - if (is_qla4022(ha)) + if (is_qla4022(ha) | is_qla4032(ha)) ql4xxx_set_mac_number(ha); if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h index 0d61797..6375eb0 100644 --- a/drivers/scsi/qla4xxx/ql4_inline.h +++ b/drivers/scsi/qla4xxx/ql4_inline.h @@ -38,7 +38,7 @@ qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index) static inline void __qla4xxx_enable_intrs(struct scsi_qla_host *ha) { - if (is_qla4022(ha)) { + if (is_qla4022(ha) | is_qla4032(ha)) { writel(set_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); @@ -52,7 +52,7 @@ __qla4xxx_enable_intrs(struct scsi_qla_host *ha) static inline void __qla4xxx_disable_intrs(struct scsi_qla_host *ha) { - if (is_qla4022(ha)) { + if (is_qla4022(ha) | is_qla4032(ha)) { writel(clr_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index c0a254b..d41ce38 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -294,6 +294,12 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) cmd_entry->control_flags = CF_WRITE; else if (cmd->sc_data_direction == DMA_FROM_DEVICE) cmd_entry->control_flags = CF_READ; + + ha->bytes_xfered += cmd->request_bufflen; + if (ha->bytes_xfered & ~0xFFFFF){ + ha->total_mbytes_xferred += ha->bytes_xfered >> 20; + ha->bytes_xfered &= 0xFFFFF; + } } /* Set tagged queueing control flags */ diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 1e28332..ef975e0 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -627,6 +627,7 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id) spin_lock_irqsave(&ha->hardware_lock, flags); + ha->isr_count++; /* * Repeatedly service interrupts up to a maximum of * MAX_REQS_SERVICED_PER_INTR diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c index e3957ca..58afd13 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.c +++ b/drivers/scsi/qla4xxx/ql4_nvram.c @@ -7,15 +7,22 @@ #include "ql4_def.h" +static inline void eeprom_cmd(uint32_t cmd, struct scsi_qla_host *ha) +{ + writel(cmd, isp_nvram(ha)); + readl(isp_nvram(ha)); + udelay(1); +} + static inline int eeprom_size(struct scsi_qla_host *ha) { - return is_qla4022(ha) ? FM93C86A_SIZE_16 : FM93C66A_SIZE_16; + return is_qla4010(ha) ? FM93C66A_SIZE_16 : FM93C86A_SIZE_16; } static inline int eeprom_no_addr_bits(struct scsi_qla_host *ha) { - return is_qla4022(ha) ? FM93C86A_NO_ADDR_BITS_16 : - FM93C56A_NO_ADDR_BITS_16; + return is_qla4010(ha) ? FM93C56A_NO_ADDR_BITS_16 : + FM93C86A_NO_ADDR_BITS_16 ; } static inline int eeprom_no_data_bits(struct scsi_qla_host *ha) @@ -28,8 +35,7 @@ static int fm93c56a_select(struct scsi_qla_host * ha) DEBUG5(printk(KERN_ERR "fm93c56a_select:\n")); ha->eeprom_cmd_data = AUBURN_EEPROM_CS_1 | 0x000f0000; - writel(ha->eeprom_cmd_data, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data, ha); return 1; } @@ -41,12 +47,13 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) int previousBit; /* Clock in a zero, then do the start bit. */ - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, ha); + + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_FALL, ha); + mask = 1 << (FM93C56A_CMD_BITS - 1); /* Force the previous data bit to be different. */ @@ -60,14 +67,14 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) * If the bit changed, then change the DO state to * match. */ - writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha); previousBit = dataBit; } - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL, ha); + cmd = cmd << 1; } mask = 1 << (eeprom_no_addr_bits(ha) - 1); @@ -82,14 +89,15 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) * If the bit changed, then change the DO state to * match. */ - writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha); + previousBit = dataBit; } - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL, ha); + addr = addr << 1; } return 1; @@ -98,8 +106,7 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) static int fm93c56a_deselect(struct scsi_qla_host * ha) { ha->eeprom_cmd_data = AUBURN_EEPROM_CS_0 | 0x000f0000; - writel(ha->eeprom_cmd_data, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data, ha); return 1; } @@ -112,12 +119,13 @@ static int fm93c56a_datain(struct scsi_qla_host * ha, unsigned short *value) /* Read the data bits * The first bit is a dummy. Clock right over it. */ for (i = 0; i < eeprom_no_data_bits(ha); i++) { - writel(ha->eeprom_cmd_data | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - dataBit = - (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0; + eeprom_cmd(ha->eeprom_cmd_data | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | + AUBURN_EEPROM_CLK_FALL, ha); + + dataBit = (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0; + data = (data << 1) | dataBit; } diff --git a/drivers/scsi/qla4xxx/ql4_nvram.h b/drivers/scsi/qla4xxx/ql4_nvram.h index 08e2aed..b47b4fc 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.h +++ b/drivers/scsi/qla4xxx/ql4_nvram.h @@ -134,9 +134,7 @@ struct eeprom_data { u16 phyConfig; /* x36 */ #define PHY_CONFIG_PHY_ADDR_MASK 0x1f #define PHY_CONFIG_ENABLE_FW_MANAGEMENT_MASK 0x20 - u16 topcat; /* x38 */ -#define TOPCAT_PRESENT 0x0100 -#define TOPCAT_MASK 0xFF00 + u16 reserved_56; /* x38 */ #define EEPROM_UNUSED_1_SIZE 2 u8 unused_1[EEPROM_UNUSED_1_SIZE]; /* x3A */ diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 5b8db61..db9d88e 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -708,10 +708,10 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) } /** - * qla4010_soft_reset - performs soft reset. + * qla4xxx_soft_reset - performs soft reset. * @ha: Pointer to host adapter structure. **/ -static int qla4010_soft_reset(struct scsi_qla_host *ha) +int qla4xxx_soft_reset(struct scsi_qla_host *ha) { uint32_t max_wait_time; unsigned long flags = 0; @@ -817,29 +817,6 @@ static int qla4010_soft_reset(struct scsi_qla_host *ha) } /** - * qla4xxx_topcat_reset - performs hard reset of TopCat Chip. - * @ha: Pointer to host adapter structure. - **/ -static int qla4xxx_topcat_reset(struct scsi_qla_host *ha) -{ - unsigned long flags; - - ql4xxx_lock_nvram(ha); - spin_lock_irqsave(&ha->hardware_lock, flags); - writel(set_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha)); - readl(isp_gp_out(ha)); - mdelay(1); - - writel(clr_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha)); - readl(isp_gp_out(ha)); - spin_unlock_irqrestore(&ha->hardware_lock, flags); - mdelay(2523); - - ql4xxx_unlock_nvram(ha); - return QLA_SUCCESS; -} - -/** * qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S. * @ha: Pointer to host adapter structure. * @@ -867,26 +844,6 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha) } /** - * qla4xxx_hard_reset - performs HBA Hard Reset - * @ha: Pointer to host adapter structure. - **/ -static int qla4xxx_hard_reset(struct scsi_qla_host *ha) -{ - /* The QLA4010 really doesn't have an equivalent to a hard reset */ - qla4xxx_flush_active_srbs(ha); - if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) { - int status = QLA_ERROR; - - if ((qla4010_soft_reset(ha) == QLA_SUCCESS) && - (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) && - (qla4010_soft_reset(ha) == QLA_SUCCESS)) - status = QLA_SUCCESS; - return status; - } else - return qla4010_soft_reset(ha); -} - -/** * qla4xxx_recover_adapter - recovers adapter after a fatal error * @ha: Pointer to host adapter structure. * @renew_ddb_list: Indicates what to do with the adapter's ddb list @@ -919,18 +876,11 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, if (status == QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", ha->host_no, __func__)); - status = qla4xxx_soft_reset(ha); - } - /* FIXMEkaren: Do we want to keep interrupts enabled and process - AENs after soft reset */ - - /* If firmware (SOFT) reset failed, or if all outstanding - * commands have not returned, then do a HARD reset. - */ - if (status == QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s - Performing hard reset..\n", - ha->host_no, __func__)); - status = qla4xxx_hard_reset(ha); + qla4xxx_flush_active_srbs(ha); + if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) + status = qla4xxx_soft_reset(ha); + else + status = QLA_ERROR; } /* Flush any pending ddb changed AENs */ @@ -1016,13 +966,9 @@ static void qla4xxx_do_dpc(void *data) struct scsi_qla_host *ha = (struct scsi_qla_host *) data; struct ddb_entry *ddb_entry, *dtemp; - DEBUG2(printk("scsi%ld: %s: DPC handler waking up.\n", - ha->host_no, __func__)); - - DEBUG2(printk("scsi%ld: %s: ha->flags = 0x%08lx\n", - ha->host_no, __func__, ha->flags)); - DEBUG2(printk("scsi%ld: %s: ha->dpc_flags = 0x%08lx\n", - ha->host_no, __func__, ha->dpc_flags)); + DEBUG2(printk("scsi%ld: %s: DPC handler waking up." + "flags = 0x%08lx, dpc_flags = 0x%08lx\n", + ha->host_no, __func__, ha->flags, ha->dpc_flags)); /* Initialization not yet finished. Don't do anything yet. */ if (!test_bit(AF_INIT_DONE, &ha->flags)) @@ -1032,16 +978,8 @@ static void qla4xxx_do_dpc(void *data) test_bit(DPC_RESET_HA, &ha->dpc_flags) || test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) { - if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) - /* - * dg 09/23 Never initialize ddb list - * once we up and running - * qla4xxx_recover_adapter(ha, - * REBUILD_DDB_LIST); - */ - qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST); - - if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) + if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) || + test_bit(DPC_RESET_HA, &ha->dpc_flags)) qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST); if (test_and_clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { @@ -1122,7 +1060,8 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha) destroy_workqueue(ha->dpc_thread); /* Issue Soft Reset to put firmware in unknown state */ - qla4xxx_soft_reset(ha); + if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) + qla4xxx_soft_reset(ha); /* Remove timer thread, if present */ if (ha->timer_active) @@ -1261,7 +1200,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, init_waitqueue_head(&ha->mailbox_wait_queue); spin_lock_init(&ha->hardware_lock); - spin_lock_init(&ha->list_lock); /* Allocate dma buffers */ if (qla4xxx_mem_alloc(ha)) { @@ -1468,27 +1406,6 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in } /** - * qla4xxx_soft_reset - performs a SOFT RESET of hba. - * @ha: Pointer to host adapter structure. - **/ -int qla4xxx_soft_reset(struct scsi_qla_host *ha) -{ - - DEBUG2(printk(KERN_WARNING "scsi%ld: %s: chip reset!\n", ha->host_no, - __func__)); - if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) { - int status = QLA_ERROR; - - if ((qla4010_soft_reset(ha) == QLA_SUCCESS) && - (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) && - (qla4010_soft_reset(ha) == QLA_SUCCESS) ) - status = QLA_SUCCESS; - return status; - } else - return qla4010_soft_reset(ha); -} - -/** * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware * @ha: actual ha whose done queue will contain the comd returned by firmware. * @cmd: Scsi Command to wait on. @@ -1686,6 +1603,12 @@ static struct pci_device_id qla4xxx_pci_tbl[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, + { + .vendor = PCI_VENDOR_ID_QLOGIC, + .device = PCI_DEVICE_ID_QLOGIC_ISP4032, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, {0, 0}, }; MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index b3fe7e6..454e19c 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,9 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.00.05b9-k" - -#define QL4_DRIVER_MAJOR_VER 5 -#define QL4_DRIVER_MINOR_VER 0 -#define QL4_DRIVER_PATCH_VER 5 -#define QL4_DRIVER_BETA_VER 9 +#define QLA4XXX_DRIVER_VERSION "5.00.07-k" diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index c59f315..fafc00d 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -156,8 +156,7 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = { static DEFINE_MUTEX(host_cmd_pool_mutex); -static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, - gfp_t gfp_mask) +struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask) { struct scsi_cmnd *cmd; @@ -178,6 +177,7 @@ static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, return cmd; } +EXPORT_SYMBOL_GPL(__scsi_get_command); /* * Function: scsi_get_command() @@ -214,9 +214,29 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask) put_device(&dev->sdev_gendev); return cmd; -} +} EXPORT_SYMBOL(scsi_get_command); +void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd, + struct device *dev) +{ + unsigned long flags; + + /* changing locks here, don't need to restore the irq state */ + spin_lock_irqsave(&shost->free_list_lock, flags); + if (unlikely(list_empty(&shost->free_list))) { + list_add(&cmd->list, &shost->free_list); + cmd = NULL; + } + spin_unlock_irqrestore(&shost->free_list_lock, flags); + + if (likely(cmd != NULL)) + kmem_cache_free(shost->cmd_pool->slab, cmd); + + put_device(dev); +} +EXPORT_SYMBOL(__scsi_put_command); + /* * Function: scsi_put_command() * @@ -231,26 +251,15 @@ EXPORT_SYMBOL(scsi_get_command); void scsi_put_command(struct scsi_cmnd *cmd) { struct scsi_device *sdev = cmd->device; - struct Scsi_Host *shost = sdev->host; unsigned long flags; - + /* serious error if the command hasn't come from a device list */ spin_lock_irqsave(&cmd->device->list_lock, flags); BUG_ON(list_empty(&cmd->list)); list_del_init(&cmd->list); - spin_unlock(&cmd->device->list_lock); - /* changing locks here, don't need to restore the irq state */ - spin_lock(&shost->free_list_lock); - if (unlikely(list_empty(&shost->free_list))) { - list_add(&cmd->list, &shost->free_list); - cmd = NULL; - } - spin_unlock_irqrestore(&shost->free_list_lock, flags); - - if (likely(cmd != NULL)) - kmem_cache_free(shost->cmd_pool->slab, cmd); + spin_unlock_irqrestore(&cmd->device->list_lock, flags); - put_device(&sdev->sdev_gendev); + __scsi_put_command(cmd->device->host, cmd, &sdev->sdev_gendev); } EXPORT_SYMBOL(scsi_put_command); @@ -871,9 +880,9 @@ EXPORT_SYMBOL(scsi_device_get); */ void scsi_device_put(struct scsi_device *sdev) { +#ifdef CONFIG_MODULE_UNLOAD struct module *module = sdev->host->hostt->module; -#ifdef CONFIG_MODULE_UNLOAD /* The module refcount will be zero if scsi_device_get() * was called from a module removal routine */ if (module && module_refcount(module) != 0) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index aff1b0c..2ecb6ff 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -453,9 +453,18 @@ static void scsi_eh_done(struct scsi_cmnd *scmd) } /** - * scsi_send_eh_cmnd - send a cmd to a device as part of error recovery. - * @scmd: SCSI Cmd to send. - * @timeout: Timeout for cmd. + * scsi_send_eh_cmnd - submit a scsi command as part of error recory + * @scmd: SCSI command structure to hijack + * @cmnd: CDB to send + * @cmnd_size: size in bytes of @cmnd + * @timeout: timeout for this request + * @copy_sense: request sense data if set to 1 + * + * This function is used to send a scsi command down to a target device + * as part of the error recovery process. If @copy_sense is 0 the command + * sent must be one that does not transfer any data. If @copy_sense is 1 + * the command must be REQUEST_SENSE and this functions copies out the + * sense buffer it got into @scmd->sense_buffer. * * Return value: * SUCCESS or FAILED or NEEDS_RETRY @@ -469,6 +478,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, DECLARE_COMPLETION_ONSTACK(done); unsigned long timeleft; unsigned long flags; + struct scatterlist sgl; unsigned char old_cmnd[MAX_COMMAND_SIZE]; enum dma_data_direction old_data_direction; unsigned short old_use_sg; @@ -500,19 +510,24 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, if (shost->hostt->unchecked_isa_dma) gfp_mask |= __GFP_DMA; - scmd->sc_data_direction = DMA_FROM_DEVICE; - scmd->request_bufflen = 252; - scmd->request_buffer = kzalloc(scmd->request_bufflen, gfp_mask); - if (!scmd->request_buffer) + sgl.page = alloc_page(gfp_mask); + if (!sgl.page) return FAILED; + sgl.offset = 0; + sgl.length = 252; + + scmd->sc_data_direction = DMA_FROM_DEVICE; + scmd->request_bufflen = sgl.length; + scmd->request_buffer = &sgl; + scmd->use_sg = 1; } else { scmd->request_buffer = NULL; scmd->request_bufflen = 0; scmd->sc_data_direction = DMA_NONE; + scmd->use_sg = 0; } scmd->underflow = 0; - scmd->use_sg = 0; scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); if (sdev->scsi_level <= SCSI_2) @@ -583,7 +598,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, memcpy(scmd->sense_buffer, scmd->request_buffer, sizeof(scmd->sense_buffer)); } - kfree(scmd->request_buffer); + __free_page(sgl.page); } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 3ac4890..fb616c6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -704,7 +704,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, return NULL; } -static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) +struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) { struct scsi_host_sg_pool *sgp; struct scatterlist *sgl; @@ -745,7 +745,9 @@ static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_m return sgl; } -static void scsi_free_sgtable(struct scatterlist *sgl, int index) +EXPORT_SYMBOL(scsi_alloc_sgtable); + +void scsi_free_sgtable(struct scatterlist *sgl, int index) { struct scsi_host_sg_pool *sgp; @@ -755,6 +757,8 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index) mempool_free(sgl, sgp->pool); } +EXPORT_SYMBOL(scsi_free_sgtable); + /* * Function: scsi_release_buffers() * @@ -996,25 +1000,14 @@ static int scsi_init_io(struct scsi_cmnd *cmd) int count; /* - * if this is a rq->data based REQ_BLOCK_PC, setup for a non-sg xfer - */ - if (blk_pc_request(req) && !req->bio) { - cmd->request_bufflen = req->data_len; - cmd->request_buffer = req->data; - req->buffer = req->data; - cmd->use_sg = 0; - return 0; - } - - /* - * we used to not use scatter-gather for single segment request, + * We used to not use scatter-gather for single segment request, * but now we do (it makes highmem I/O easier to support without * kmapping pages) */ cmd->use_sg = req->nr_phys_segments; /* - * if sg table allocation fails, requeue request later. + * If sg table allocation fails, requeue request later. */ sgpnt = scsi_alloc_sgtable(cmd, GFP_ATOMIC); if (unlikely(!sgpnt)) { @@ -1022,24 +1015,21 @@ static int scsi_init_io(struct scsi_cmnd *cmd) return BLKPREP_DEFER; } + req->buffer = NULL; cmd->request_buffer = (char *) sgpnt; - cmd->request_bufflen = req->nr_sectors << 9; if (blk_pc_request(req)) cmd->request_bufflen = req->data_len; - req->buffer = NULL; + else + cmd->request_bufflen = req->nr_sectors << 9; /* * Next, walk the list, and fill in the addresses and sizes of * each segment. */ count = blk_rq_map_sg(req->q, req, cmd->request_buffer); - - /* - * mapped well, send it off - */ if (likely(count <= cmd->use_sg)) { cmd->use_sg = count; - return 0; + return BLKPREP_OK; } printk(KERN_ERR "Incorrect number of segments after building list\n"); @@ -1069,6 +1059,27 @@ static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk, return -EOPNOTSUPP; } +static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev, + struct request *req) +{ + struct scsi_cmnd *cmd; + + if (!req->special) { + cmd = scsi_get_command(sdev, GFP_ATOMIC); + if (unlikely(!cmd)) + return NULL; + req->special = cmd; + } else { + cmd = req->special; + } + + /* pull a tag out of the request if we have one */ + cmd->tag = req->tag; + cmd->request = req; + + return cmd; +} + static void scsi_blk_pc_done(struct scsi_cmnd *cmd) { BUG_ON(!blk_pc_request(cmd->request)); @@ -1081,9 +1092,37 @@ static void scsi_blk_pc_done(struct scsi_cmnd *cmd) scsi_io_completion(cmd, cmd->request_bufflen); } -static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd) +static int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req) { - struct request *req = cmd->request; + struct scsi_cmnd *cmd; + + cmd = scsi_get_cmd_from_req(sdev, req); + if (unlikely(!cmd)) + return BLKPREP_DEFER; + + /* + * BLOCK_PC requests may transfer data, in which case they must + * a bio attached to them. Or they might contain a SCSI command + * that does not transfer data, in which case they may optionally + * submit a request without an attached bio. + */ + if (req->bio) { + int ret; + + BUG_ON(!req->nr_phys_segments); + + ret = scsi_init_io(cmd); + if (unlikely(ret)) + return ret; + } else { + BUG_ON(req->data_len); + BUG_ON(req->data); + + cmd->request_bufflen = 0; + cmd->request_buffer = NULL; + cmd->use_sg = 0; + req->buffer = NULL; + } BUILD_BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); @@ -1099,154 +1138,138 @@ static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd) cmd->allowed = req->retries; cmd->timeout_per_command = req->timeout; cmd->done = scsi_blk_pc_done; + return BLKPREP_OK; } -static int scsi_prep_fn(struct request_queue *q, struct request *req) +/* + * Setup a REQ_TYPE_FS command. These are simple read/write request + * from filesystems that still need to be translated to SCSI CDBs from + * the ULD. + */ +static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req) { - struct scsi_device *sdev = q->queuedata; struct scsi_cmnd *cmd; - int specials_only = 0; + struct scsi_driver *drv; + int ret; /* - * Just check to see if the device is online. If it isn't, we - * refuse to process any commands. The device must be brought - * online before trying any recovery commands + * Filesystem requests must transfer data. */ - if (unlikely(!scsi_device_online(sdev))) { - sdev_printk(KERN_ERR, sdev, - "rejecting I/O to offline device\n"); - goto kill; - } - if (unlikely(sdev->sdev_state != SDEV_RUNNING)) { - /* OK, we're not in a running state don't prep - * user commands */ - if (sdev->sdev_state == SDEV_DEL) { - /* Device is fully deleted, no commands - * at all allowed down */ - sdev_printk(KERN_ERR, sdev, - "rejecting I/O to dead device\n"); - goto kill; - } - /* OK, we only allow special commands (i.e. not - * user initiated ones */ - specials_only = sdev->sdev_state; + BUG_ON(!req->nr_phys_segments); + + cmd = scsi_get_cmd_from_req(sdev, req); + if (unlikely(!cmd)) + return BLKPREP_DEFER; + + ret = scsi_init_io(cmd); + if (unlikely(ret)) + return ret; + + /* + * Initialize the actual SCSI command for this request. + */ + drv = *(struct scsi_driver **)req->rq_disk->private_data; + if (unlikely(!drv->init_command(cmd))) { + scsi_release_buffers(cmd); + scsi_put_command(cmd); + return BLKPREP_KILL; } + return BLKPREP_OK; +} + +static int scsi_prep_fn(struct request_queue *q, struct request *req) +{ + struct scsi_device *sdev = q->queuedata; + int ret = BLKPREP_OK; + /* - * Find the actual device driver associated with this command. - * The SPECIAL requests are things like character device or - * ioctls, which did not originate from ll_rw_blk. Note that - * the special field is also used to indicate the cmd for - * the remainder of a partially fulfilled request that can - * come up when there is a medium error. We have to treat - * these two cases differently. We differentiate by looking - * at request->cmd, as this tells us the real story. + * If the device is not in running state we will reject some + * or all commands. */ - if (blk_special_request(req) && req->special) - cmd = req->special; - else if (blk_pc_request(req) || blk_fs_request(req)) { - if (unlikely(specials_only) && !(req->cmd_flags & REQ_PREEMPT)){ - if (specials_only == SDEV_QUIESCE || - specials_only == SDEV_BLOCK) - goto defer; - + if (unlikely(sdev->sdev_state != SDEV_RUNNING)) { + switch (sdev->sdev_state) { + case SDEV_OFFLINE: + /* + * If the device is offline we refuse to process any + * commands. The device must be brought online + * before trying any recovery commands. + */ sdev_printk(KERN_ERR, sdev, - "rejecting I/O to device being removed\n"); - goto kill; + "rejecting I/O to offline device\n"); + ret = BLKPREP_KILL; + break; + case SDEV_DEL: + /* + * If the device is fully deleted, we refuse to + * process any commands as well. + */ + sdev_printk(KERN_ERR, sdev, + "rejecting I/O to dead device\n"); + ret = BLKPREP_KILL; + break; + case SDEV_QUIESCE: + case SDEV_BLOCK: + /* + * If the devices is blocked we defer normal commands. + */ + if (!(req->cmd_flags & REQ_PREEMPT)) + ret = BLKPREP_DEFER; + break; + default: + /* + * For any other not fully online state we only allow + * special commands. In particular any user initiated + * command is not allowed. + */ + if (!(req->cmd_flags & REQ_PREEMPT)) + ret = BLKPREP_KILL; + break; } - - /* - * Now try and find a command block that we can use. - */ - if (!req->special) { - cmd = scsi_get_command(sdev, GFP_ATOMIC); - if (unlikely(!cmd)) - goto defer; - } else - cmd = req->special; - - /* pull a tag out of the request if we have one */ - cmd->tag = req->tag; - } else { - blk_dump_rq_flags(req, "SCSI bad req"); - goto kill; + + if (ret != BLKPREP_OK) + goto out; } - - /* note the overloading of req->special. When the tag - * is active it always means cmd. If the tag goes - * back for re-queueing, it may be reset */ - req->special = cmd; - cmd->request = req; - - /* - * FIXME: drop the lock here because the functions below - * expect to be called without the queue lock held. Also, - * previously, we dequeued the request before dropping the - * lock. We hope REQ_STARTED prevents anything untoward from - * happening now. - */ - if (blk_fs_request(req) || blk_pc_request(req)) { - int ret; + switch (req->cmd_type) { + case REQ_TYPE_BLOCK_PC: + ret = scsi_setup_blk_pc_cmnd(sdev, req); + break; + case REQ_TYPE_FS: + ret = scsi_setup_fs_cmnd(sdev, req); + break; + default: /* - * This will do a couple of things: - * 1) Fill in the actual SCSI command. - * 2) Fill in any other upper-level specific fields - * (timeout). + * All other command types are not supported. * - * If this returns 0, it means that the request failed - * (reading past end of disk, reading offline device, - * etc). This won't actually talk to the device, but - * some kinds of consistency checking may cause the - * request to be rejected immediately. + * Note that these days the SCSI subsystem does not use + * REQ_TYPE_SPECIAL requests anymore. These are only used + * (directly or via blk_insert_request) by non-SCSI drivers. */ + blk_dump_rq_flags(req, "SCSI bad req"); + ret = BLKPREP_KILL; + break; + } - /* - * This sets up the scatter-gather table (allocating if - * required). - */ - ret = scsi_init_io(cmd); - switch(ret) { - /* For BLKPREP_KILL/DEFER the cmd was released */ - case BLKPREP_KILL: - goto kill; - case BLKPREP_DEFER: - goto defer; - } - + out: + switch (ret) { + case BLKPREP_KILL: + req->errors = DID_NO_CONNECT << 16; + break; + case BLKPREP_DEFER: /* - * Initialize the actual SCSI command for this request. + * If we defer, the elv_next_request() returns NULL, but the + * queue must be restarted, so we plug here if no returning + * command will automatically do that. */ - if (blk_pc_request(req)) { - scsi_setup_blk_pc_cmnd(cmd); - } else if (req->rq_disk) { - struct scsi_driver *drv; - - drv = *(struct scsi_driver **)req->rq_disk->private_data; - if (unlikely(!drv->init_command(cmd))) { - scsi_release_buffers(cmd); - scsi_put_command(cmd); - goto kill; - } - } + if (sdev->device_busy == 0) + blk_plug_device(q); + break; + default: + req->cmd_flags |= REQ_DONTPREP; } - /* - * The request is now prepped, no need to come back here - */ - req->cmd_flags |= REQ_DONTPREP; - return BLKPREP_OK; - - defer: - /* If we defer, the elv_next_request() returns NULL, but the - * queue must be restarted, so we plug here if no returning - * command will automatically do that. */ - if (sdev->device_busy == 0) - blk_plug_device(q); - return BLKPREP_DEFER; - kill: - req->errors = DID_NO_CONNECT << 16; - return BLKPREP_KILL; + return ret; } /* @@ -1548,29 +1571,40 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost) } EXPORT_SYMBOL(scsi_calculate_bounce_limit); -struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) +struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost, + request_fn_proc *request_fn) { - struct Scsi_Host *shost = sdev->host; struct request_queue *q; - q = blk_init_queue(scsi_request_fn, NULL); + q = blk_init_queue(request_fn, NULL); if (!q) return NULL; - blk_queue_prep_rq(q, scsi_prep_fn); - blk_queue_max_hw_segments(q, shost->sg_tablesize); blk_queue_max_phys_segments(q, SCSI_MAX_PHYS_SEGMENTS); blk_queue_max_sectors(q, shost->max_sectors); blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost)); blk_queue_segment_boundary(q, shost->dma_boundary); - blk_queue_issue_flush_fn(q, scsi_issue_flush_fn); - blk_queue_softirq_done(q, scsi_softirq_done); if (!shost->use_clustering) clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags); return q; } +EXPORT_SYMBOL(__scsi_alloc_queue); + +struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) +{ + struct request_queue *q; + + q = __scsi_alloc_queue(sdev->host, scsi_request_fn); + if (!q) + return NULL; + + blk_queue_prep_rq(q, scsi_prep_fn); + blk_queue_issue_flush_fn(q, scsi_issue_flush_fn); + blk_queue_softirq_done(q, scsi_softirq_done); + return q; +} void scsi_free_queue(struct request_queue *q) { diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 5d023d4..f458c2f 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -39,6 +39,9 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) { }; #endif +/* scsi_scan.c */ +int scsi_complete_async_scans(void); + /* scsi_devinfo.c */ extern int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 94a2746..4d65614 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -29,7 +29,9 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/blkdev.h> -#include <asm/semaphore.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <linux/spinlock.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -87,6 +89,17 @@ module_param_named(max_luns, max_scsi_luns, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(max_luns, "last scsi LUN (should be between 1 and 2^32-1)"); +#ifdef CONFIG_SCSI_SCAN_ASYNC +#define SCSI_SCAN_TYPE_DEFAULT "async" +#else +#define SCSI_SCAN_TYPE_DEFAULT "sync" +#endif + +static char scsi_scan_type[6] = SCSI_SCAN_TYPE_DEFAULT; + +module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO); +MODULE_PARM_DESC(scan, "sync, async or none"); + /* * max_scsi_report_luns: the maximum number of LUNS that will be * returned from the REPORT LUNS command. 8 times this value must @@ -108,6 +121,68 @@ MODULE_PARM_DESC(inq_timeout, "Timeout (in seconds) waiting for devices to answer INQUIRY." " Default is 5. Some non-compliant devices need more."); +static DEFINE_SPINLOCK(async_scan_lock); +static LIST_HEAD(scanning_hosts); + +struct async_scan_data { + struct list_head list; + struct Scsi_Host *shost; + struct completion prev_finished; +}; + +/** + * scsi_complete_async_scans - Wait for asynchronous scans to complete + * + * Asynchronous scans add themselves to the scanning_hosts list. Once + * that list is empty, we know that the scans are complete. Rather than + * waking up periodically to check the state of the list, we pretend to be + * a scanning task by adding ourselves at the end of the list and going to + * sleep. When the task before us wakes us up, we take ourselves off the + * list and return. + */ +int scsi_complete_async_scans(void) +{ + struct async_scan_data *data; + + do { + if (list_empty(&scanning_hosts)) + return 0; + /* If we can't get memory immediately, that's OK. Just + * sleep a little. Even if we never get memory, the async + * scans will finish eventually. + */ + data = kmalloc(sizeof(*data), GFP_KERNEL); + if (!data) + msleep(1); + } while (!data); + + data->shost = NULL; + init_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + /* Check that there's still somebody else on the list */ + if (list_empty(&scanning_hosts)) + goto done; + list_add_tail(&data->list, &scanning_hosts); + spin_unlock(&async_scan_lock); + + printk(KERN_INFO "scsi: waiting for bus probes to complete ...\n"); + wait_for_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + list_del(&data->list); + done: + spin_unlock(&async_scan_lock); + + kfree(data); + return 0; +} + +#ifdef MODULE +/* Only exported for the benefit of scsi_wait_scan */ +EXPORT_SYMBOL_GPL(scsi_complete_async_scans); +#endif + /** * scsi_unlock_floptical - unlock device via a special MODE SENSE command * @sdev: scsi device to send command to @@ -619,7 +694,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, * SCSI_SCAN_LUN_PRESENT: a new scsi_device was allocated and initialized **/ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, - int *bflags) + int *bflags, int async) { /* * XXX do not save the inquiry, since it can change underneath us, @@ -805,7 +880,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, * register it and tell the rest of the kernel * about it. */ - if (scsi_sysfs_add_sdev(sdev) != 0) + if (!async && scsi_sysfs_add_sdev(sdev) != 0) return SCSI_SCAN_NO_RESPONSE; return SCSI_SCAN_LUN_PRESENT; @@ -974,7 +1049,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget, goto out_free_result; } - res = scsi_add_lun(sdev, result, &bflags); + res = scsi_add_lun(sdev, result, &bflags, shost->async_scan); if (res == SCSI_SCAN_LUN_PRESENT) { if (bflags & BLIST_KEY) { sdev->lockable = 0; @@ -1474,6 +1549,12 @@ void scsi_scan_target(struct device *parent, unsigned int channel, { struct Scsi_Host *shost = dev_to_shost(parent); + if (strncmp(scsi_scan_type, "none", 4) == 0) + return; + + if (!shost->async_scan) + scsi_complete_async_scans(); + mutex_lock(&shost->scan_mutex); if (scsi_host_scan_allowed(shost)) __scsi_scan_target(parent, channel, id, lun, rescan); @@ -1519,6 +1600,9 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel, "%s: <%u:%u:%u>\n", __FUNCTION__, channel, id, lun)); + if (!shost->async_scan) + scsi_complete_async_scans(); + if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) || ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) || ((lun != SCAN_WILD_CARD) && (lun > shost->max_lun))) @@ -1539,14 +1623,143 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel, return 0; } +static void scsi_sysfs_add_devices(struct Scsi_Host *shost) +{ + struct scsi_device *sdev; + shost_for_each_device(sdev, shost) { + if (scsi_sysfs_add_sdev(sdev) != 0) + scsi_destroy_sdev(sdev); + } +} + +/** + * scsi_prep_async_scan - prepare for an async scan + * @shost: the host which will be scanned + * Returns: a cookie to be passed to scsi_finish_async_scan() + * + * Tells the midlayer this host is going to do an asynchronous scan. + * It reserves the host's position in the scanning list and ensures + * that other asynchronous scans started after this one won't affect the + * ordering of the discovered devices. + */ +static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) +{ + struct async_scan_data *data; + + if (strncmp(scsi_scan_type, "sync", 4) == 0) + return NULL; + + if (shost->async_scan) { + printk("%s called twice for host %d", __FUNCTION__, + shost->host_no); + dump_stack(); + return NULL; + } + + data = kmalloc(sizeof(*data), GFP_KERNEL); + if (!data) + goto err; + data->shost = scsi_host_get(shost); + if (!data->shost) + goto err; + init_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + shost->async_scan = 1; + if (list_empty(&scanning_hosts)) + complete(&data->prev_finished); + list_add_tail(&data->list, &scanning_hosts); + spin_unlock(&async_scan_lock); + + return data; + + err: + kfree(data); + return NULL; +} + +/** + * scsi_finish_async_scan - asynchronous scan has finished + * @data: cookie returned from earlier call to scsi_prep_async_scan() + * + * All the devices currently attached to this host have been found. + * This function announces all the devices it has found to the rest + * of the system. + */ +static void scsi_finish_async_scan(struct async_scan_data *data) +{ + struct Scsi_Host *shost; + + if (!data) + return; + + shost = data->shost; + if (!shost->async_scan) { + printk("%s called twice for host %d", __FUNCTION__, + shost->host_no); + dump_stack(); + return; + } + + wait_for_completion(&data->prev_finished); + + scsi_sysfs_add_devices(shost); + + spin_lock(&async_scan_lock); + shost->async_scan = 0; + list_del(&data->list); + if (!list_empty(&scanning_hosts)) { + struct async_scan_data *next = list_entry(scanning_hosts.next, + struct async_scan_data, list); + complete(&next->prev_finished); + } + spin_unlock(&async_scan_lock); + + scsi_host_put(shost); + kfree(data); +} + +static void do_scsi_scan_host(struct Scsi_Host *shost) +{ + if (shost->hostt->scan_finished) { + unsigned long start = jiffies; + if (shost->hostt->scan_start) + shost->hostt->scan_start(shost); + + while (!shost->hostt->scan_finished(shost, jiffies - start)) + msleep(10); + } else { + scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, + SCAN_WILD_CARD, 0); + } +} + +static int do_scan_async(void *_data) +{ + struct async_scan_data *data = _data; + do_scsi_scan_host(data->shost); + scsi_finish_async_scan(data); + return 0; +} + /** * scsi_scan_host - scan the given adapter * @shost: adapter to scan **/ void scsi_scan_host(struct Scsi_Host *shost) { - scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, - SCAN_WILD_CARD, 0); + struct async_scan_data *data; + + if (strncmp(scsi_scan_type, "none", 4) == 0) + return; + + data = scsi_prep_async_scan(shost); + if (!data) { + do_scsi_scan_host(shost); + return; + } + + kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no); } EXPORT_SYMBOL(scsi_scan_host); diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c new file mode 100644 index 0000000..37bbfbd --- /dev/null +++ b/drivers/scsi/scsi_tgt_if.c @@ -0,0 +1,352 @@ +/* + * SCSI target kernel/user interface functions + * + * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org> + * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu> + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include <linux/miscdevice.h> +#include <linux/file.h> +#include <net/tcp.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_tgt.h> +#include <scsi/scsi_tgt_if.h> + +#include <asm/cacheflush.h> + +#include "scsi_tgt_priv.h" + +struct tgt_ring { + u32 tr_idx; + unsigned long tr_pages[TGT_RING_PAGES]; + spinlock_t tr_lock; +}; + +/* tx_ring : kernel->user, rx_ring : user->kernel */ +static struct tgt_ring tx_ring, rx_ring; +static DECLARE_WAIT_QUEUE_HEAD(tgt_poll_wait); + +static inline void tgt_ring_idx_inc(struct tgt_ring *ring) +{ + if (ring->tr_idx == TGT_MAX_EVENTS - 1) + ring->tr_idx = 0; + else + ring->tr_idx++; +} + +static struct tgt_event *tgt_head_event(struct tgt_ring *ring, u32 idx) +{ + u32 pidx, off; + + pidx = idx / TGT_EVENT_PER_PAGE; + off = idx % TGT_EVENT_PER_PAGE; + + return (struct tgt_event *) + (ring->tr_pages[pidx] + sizeof(struct tgt_event) * off); +} + +static int tgt_uspace_send_event(u32 type, struct tgt_event *p) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &tx_ring; + unsigned long flags; + int err = 0; + + spin_lock_irqsave(&ring->tr_lock, flags); + + ev = tgt_head_event(ring, ring->tr_idx); + if (!ev->hdr.status) + tgt_ring_idx_inc(ring); + else + err = -BUSY; + + spin_unlock_irqrestore(&ring->tr_lock, flags); + + if (err) + return err; + + memcpy(ev, p, sizeof(*ev)); + ev->hdr.type = type; + mb(); + ev->hdr.status = 1; + + flush_dcache_page(virt_to_page(ev)); + + wake_up_interruptible(&tgt_poll_wait); + + return 0; +} + +int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, u64 tag) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.cmd_req.host_no = shost->host_no; + ev.p.cmd_req.data_len = cmd->request_bufflen; + memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb)); + memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun)); + ev.p.cmd_req.attribute = cmd->tag; + ev.p.cmd_req.tag = tag; + + dprintk("%p %d %u %x %llx\n", cmd, shost->host_no, + ev.p.cmd_req.data_len, cmd->tag, + (unsigned long long) ev.p.cmd_req.tag); + + err = tgt_uspace_send_event(TGT_KEVENT_CMD_REQ, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.cmd_done.host_no = shost->host_no; + ev.p.cmd_done.tag = tag; + ev.p.cmd_done.result = cmd->result; + + dprintk("%p %d %llu %u %x\n", cmd, shost->host_no, + (unsigned long long) ev.p.cmd_req.tag, + ev.p.cmd_req.data_len, cmd->tag); + + err = tgt_uspace_send_event(TGT_KEVENT_CMD_DONE, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag, + struct scsi_lun *scsilun, void *data) +{ + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.tsk_mgmt_req.host_no = host_no; + ev.p.tsk_mgmt_req.function = function; + ev.p.tsk_mgmt_req.tag = tag; + memcpy(ev.p.tsk_mgmt_req.lun, scsilun, sizeof(ev.p.tsk_mgmt_req.lun)); + ev.p.tsk_mgmt_req.mid = (u64) (unsigned long) data; + + dprintk("%d %x %llx %llx\n", host_no, function, (unsigned long long) tag, + (unsigned long long) ev.p.tsk_mgmt_req.mid); + + err = tgt_uspace_send_event(TGT_KEVENT_TSK_MGMT_REQ, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +static int event_recv_msg(struct tgt_event *ev) +{ + int err = 0; + + switch (ev->hdr.type) { + case TGT_UEVENT_CMD_RSP: + err = scsi_tgt_kspace_exec(ev->p.cmd_rsp.host_no, + ev->p.cmd_rsp.tag, + ev->p.cmd_rsp.result, + ev->p.cmd_rsp.len, + ev->p.cmd_rsp.uaddr, + ev->p.cmd_rsp.rw); + break; + case TGT_UEVENT_TSK_MGMT_RSP: + err = scsi_tgt_kspace_tsk_mgmt(ev->p.tsk_mgmt_rsp.host_no, + ev->p.tsk_mgmt_rsp.mid, + ev->p.tsk_mgmt_rsp.result); + break; + default: + eprintk("unknown type %d\n", ev->hdr.type); + err = -EINVAL; + } + + return err; +} + +static ssize_t tgt_write(struct file *file, const char __user * buffer, + size_t count, loff_t * ppos) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &rx_ring; + + while (1) { + ev = tgt_head_event(ring, ring->tr_idx); + /* do we need this? */ + flush_dcache_page(virt_to_page(ev)); + + if (!ev->hdr.status) + break; + + tgt_ring_idx_inc(ring); + event_recv_msg(ev); + ev->hdr.status = 0; + }; + + return count; +} + +static unsigned int tgt_poll(struct file * file, struct poll_table_struct *wait) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &tx_ring; + unsigned long flags; + unsigned int mask = 0; + u32 idx; + + poll_wait(file, &tgt_poll_wait, wait); + + spin_lock_irqsave(&ring->tr_lock, flags); + + idx = ring->tr_idx ? ring->tr_idx - 1 : TGT_MAX_EVENTS - 1; + ev = tgt_head_event(ring, idx); + if (ev->hdr.status) + mask |= POLLIN | POLLRDNORM; + + spin_unlock_irqrestore(&ring->tr_lock, flags); + + return mask; +} + +static int uspace_ring_map(struct vm_area_struct *vma, unsigned long addr, + struct tgt_ring *ring) +{ + int i, err; + + for (i = 0; i < TGT_RING_PAGES; i++) { + struct page *page = virt_to_page(ring->tr_pages[i]); + err = vm_insert_page(vma, addr, page); + if (err) + return err; + addr += PAGE_SIZE; + } + + return 0; +} + +static int tgt_mmap(struct file *filp, struct vm_area_struct *vma) +{ + unsigned long addr; + int err; + + if (vma->vm_pgoff) + return -EINVAL; + + if (vma->vm_end - vma->vm_start != TGT_RING_SIZE * 2) { + eprintk("mmap size must be %lu, not %lu \n", + TGT_RING_SIZE * 2, vma->vm_end - vma->vm_start); + return -EINVAL; + } + + addr = vma->vm_start; + err = uspace_ring_map(vma, addr, &tx_ring); + if (err) + return err; + err = uspace_ring_map(vma, addr + TGT_RING_SIZE, &rx_ring); + + return err; +} + +static int tgt_open(struct inode *inode, struct file *file) +{ + tx_ring.tr_idx = rx_ring.tr_idx = 0; + + return 0; +} + +static struct file_operations tgt_fops = { + .owner = THIS_MODULE, + .open = tgt_open, + .poll = tgt_poll, + .write = tgt_write, + .mmap = tgt_mmap, +}; + +static struct miscdevice tgt_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "tgt", + .fops = &tgt_fops, +}; + +static void tgt_ring_exit(struct tgt_ring *ring) +{ + int i; + + for (i = 0; i < TGT_RING_PAGES; i++) + free_page(ring->tr_pages[i]); +} + +static int tgt_ring_init(struct tgt_ring *ring) +{ + int i; + + spin_lock_init(&ring->tr_lock); + + for (i = 0; i < TGT_RING_PAGES; i++) { + ring->tr_pages[i] = get_zeroed_page(GFP_KERNEL); + if (!ring->tr_pages[i]) { + eprintk("out of memory\n"); + return -ENOMEM; + } + } + + return 0; +} + +void scsi_tgt_if_exit(void) +{ + tgt_ring_exit(&tx_ring); + tgt_ring_exit(&rx_ring); + misc_deregister(&tgt_miscdev); +} + +int scsi_tgt_if_init(void) +{ + int err; + + err = tgt_ring_init(&tx_ring); + if (err) + return err; + + err = tgt_ring_init(&rx_ring); + if (err) + goto free_tx_ring; + + err = misc_register(&tgt_miscdev); + if (err) + goto free_rx_ring; + + return 0; +free_rx_ring: + tgt_ring_exit(&rx_ring); +free_tx_ring: + tgt_ring_exit(&tx_ring); + + return err; +} diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c new file mode 100644 index 0000000..39da5cd --- /dev/null +++ b/drivers/scsi/scsi_tgt_lib.c @@ -0,0 +1,742 @@ +/* + * SCSI target lib functions + * + * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu> + * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org> + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include <linux/blkdev.h> +#include <linux/hash.h> +#include <linux/module.h> +#include <linux/pagemap.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_tgt.h> +#include <../drivers/md/dm-bio-list.h> + +#include "scsi_tgt_priv.h" + +static struct workqueue_struct *scsi_tgtd; +static kmem_cache_t *scsi_tgt_cmd_cache; + +/* + * TODO: this struct will be killed when the block layer supports large bios + * and James's work struct code is in + */ +struct scsi_tgt_cmd { + /* TODO replace work with James b's code */ + struct work_struct work; + /* TODO replace the lists with a large bio */ + struct bio_list xfer_done_list; + struct bio_list xfer_list; + + struct list_head hash_list; + struct request *rq; + u64 tag; + + void *buffer; + unsigned bufflen; +}; + +#define TGT_HASH_ORDER 4 +#define cmd_hashfn(tag) hash_long((unsigned long) (tag), TGT_HASH_ORDER) + +struct scsi_tgt_queuedata { + struct Scsi_Host *shost; + struct list_head cmd_hash[1 << TGT_HASH_ORDER]; + spinlock_t cmd_hash_lock; +}; + +/* + * Function: scsi_host_get_command() + * + * Purpose: Allocate and setup a scsi command block and blk request + * + * Arguments: shost - scsi host + * data_dir - dma data dir + * gfp_mask- allocator flags + * + * Returns: The allocated scsi command structure. + * + * This should be called by target LLDs to get a command. + */ +struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *shost, + enum dma_data_direction data_dir, + gfp_t gfp_mask) +{ + int write = (data_dir == DMA_TO_DEVICE); + struct request *rq; + struct scsi_cmnd *cmd; + struct scsi_tgt_cmd *tcmd; + + /* Bail if we can't get a reference to the device */ + if (!get_device(&shost->shost_gendev)) + return NULL; + + tcmd = kmem_cache_alloc(scsi_tgt_cmd_cache, GFP_ATOMIC); + if (!tcmd) + goto put_dev; + + rq = blk_get_request(shost->uspace_req_q, write, gfp_mask); + if (!rq) + goto free_tcmd; + + cmd = __scsi_get_command(shost, gfp_mask); + if (!cmd) + goto release_rq; + + memset(cmd, 0, sizeof(*cmd)); + cmd->sc_data_direction = data_dir; + cmd->jiffies_at_alloc = jiffies; + cmd->request = rq; + + rq->special = cmd; + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_flags |= REQ_TYPE_BLOCK_PC; + rq->end_io_data = tcmd; + + bio_list_init(&tcmd->xfer_list); + bio_list_init(&tcmd->xfer_done_list); + tcmd->rq = rq; + + return cmd; + +release_rq: + blk_put_request(rq); +free_tcmd: + kmem_cache_free(scsi_tgt_cmd_cache, tcmd); +put_dev: + put_device(&shost->shost_gendev); + return NULL; + +} +EXPORT_SYMBOL_GPL(scsi_host_get_command); + +/* + * Function: scsi_host_put_command() + * + * Purpose: Free a scsi command block + * + * Arguments: shost - scsi host + * cmd - command block to free + * + * Returns: Nothing. + * + * Notes: The command must not belong to any lists. + */ +void scsi_host_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd) +{ + struct request_queue *q = shost->uspace_req_q; + struct request *rq = cmd->request; + struct scsi_tgt_cmd *tcmd = rq->end_io_data; + unsigned long flags; + + kmem_cache_free(scsi_tgt_cmd_cache, tcmd); + + spin_lock_irqsave(q->queue_lock, flags); + __blk_put_request(q, rq); + spin_unlock_irqrestore(q->queue_lock, flags); + + __scsi_put_command(shost, cmd, &shost->shost_gendev); +} +EXPORT_SYMBOL_GPL(scsi_host_put_command); + +static void scsi_unmap_user_pages(struct scsi_tgt_cmd *tcmd) +{ + struct bio *bio; + + /* must call bio_endio in case bio was bounced */ + while ((bio = bio_list_pop(&tcmd->xfer_done_list))) { + bio_endio(bio, bio->bi_size, 0); + bio_unmap_user(bio); + } + + while ((bio = bio_list_pop(&tcmd->xfer_list))) { + bio_endio(bio, bio->bi_size, 0); + bio_unmap_user(bio); + } +} + +static void cmd_hashlist_del(struct scsi_cmnd *cmd) +{ + struct request_queue *q = cmd->request->q; + struct scsi_tgt_queuedata *qdata = q->queuedata; + unsigned long flags; + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + list_del(&tcmd->hash_list); + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); +} + +static void scsi_tgt_cmd_destroy(void *data) +{ + struct scsi_cmnd *cmd = data; + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction, + rq_data_dir(cmd->request)); + /* + * We fix rq->cmd_flags here since when we told bio_map_user + * to write vm for WRITE commands, blk_rq_bio_prep set + * rq_data_dir the flags to READ. + */ + if (cmd->sc_data_direction == DMA_TO_DEVICE) + cmd->request->cmd_flags |= REQ_RW; + else + cmd->request->cmd_flags &= ~REQ_RW; + + scsi_unmap_user_pages(tcmd); + scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd); +} + +static void init_scsi_tgt_cmd(struct request *rq, struct scsi_tgt_cmd *tcmd, + u64 tag) +{ + struct scsi_tgt_queuedata *qdata = rq->q->queuedata; + unsigned long flags; + struct list_head *head; + + tcmd->tag = tag; + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + head = &qdata->cmd_hash[cmd_hashfn(tag)]; + list_add(&tcmd->hash_list, head); + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); +} + +/* + * scsi_tgt_alloc_queue - setup queue used for message passing + * shost: scsi host + * + * This should be called by the LLD after host allocation. + * And will be released when the host is released. + */ +int scsi_tgt_alloc_queue(struct Scsi_Host *shost) +{ + struct scsi_tgt_queuedata *queuedata; + struct request_queue *q; + int err, i; + + /* + * Do we need to send a netlink event or should uspace + * just respond to the hotplug event? + */ + q = __scsi_alloc_queue(shost, NULL); + if (!q) + return -ENOMEM; + + queuedata = kzalloc(sizeof(*queuedata), GFP_KERNEL); + if (!queuedata) { + err = -ENOMEM; + goto cleanup_queue; + } + queuedata->shost = shost; + q->queuedata = queuedata; + + /* + * this is a silly hack. We should probably just queue as many + * command as is recvd to userspace. uspace can then make + * sure we do not overload the HBA + */ + q->nr_requests = shost->hostt->can_queue; + /* + * We currently only support software LLDs so this does + * not matter for now. Do we need this for the cards we support? + * If so we should make it a host template value. + */ + blk_queue_dma_alignment(q, 0); + shost->uspace_req_q = q; + + for (i = 0; i < ARRAY_SIZE(queuedata->cmd_hash); i++) + INIT_LIST_HEAD(&queuedata->cmd_hash[i]); + spin_lock_init(&queuedata->cmd_hash_lock); + + return 0; + +cleanup_queue: + blk_cleanup_queue(q); + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_alloc_queue); + +void scsi_tgt_free_queue(struct Scsi_Host *shost) +{ + int i; + unsigned long flags; + struct request_queue *q = shost->uspace_req_q; + struct scsi_cmnd *cmd; + struct scsi_tgt_queuedata *qdata = q->queuedata; + struct scsi_tgt_cmd *tcmd, *n; + LIST_HEAD(cmds); + + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + + for (i = 0; i < ARRAY_SIZE(qdata->cmd_hash); i++) { + list_for_each_entry_safe(tcmd, n, &qdata->cmd_hash[i], + hash_list) { + list_del(&tcmd->hash_list); + list_add(&tcmd->hash_list, &cmds); + } + } + + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); + + while (!list_empty(&cmds)) { + tcmd = list_entry(cmds.next, struct scsi_tgt_cmd, hash_list); + list_del(&tcmd->hash_list); + cmd = tcmd->rq->special; + + shost->hostt->eh_abort_handler(cmd); + scsi_tgt_cmd_destroy(cmd); + } +} +EXPORT_SYMBOL_GPL(scsi_tgt_free_queue); + +struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_queuedata *queue = cmd->request->q->queuedata; + return queue->shost; +} +EXPORT_SYMBOL_GPL(scsi_tgt_cmd_to_host); + +/* + * scsi_tgt_queue_command - queue command for userspace processing + * @cmd: scsi command + * @scsilun: scsi lun + * @tag: unique value to identify this command for tmf + */ +int scsi_tgt_queue_command(struct scsi_cmnd *cmd, struct scsi_lun *scsilun, + u64 tag) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + int err; + + init_scsi_tgt_cmd(cmd->request, tcmd, tag); + err = scsi_tgt_uspace_send_cmd(cmd, scsilun, tag); + if (err) + cmd_hashlist_del(cmd); + + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_queue_command); + +/* + * This is run from a interrpt handler normally and the unmap + * needs process context so we must queue + */ +static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + + scsi_tgt_uspace_send_status(cmd, tcmd->tag); + INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy, cmd); + queue_work(scsi_tgtd, &tcmd->work); +} + +static int __scsi_tgt_transfer_response(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + int err; + + dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + + err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done); + switch (err) { + case SCSI_MLQUEUE_HOST_BUSY: + case SCSI_MLQUEUE_DEVICE_BUSY: + return -EAGAIN; + } + + return 0; +} + +static void scsi_tgt_transfer_response(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + int err; + + err = __scsi_tgt_transfer_response(cmd); + if (!err) + return; + + cmd->result = DID_BUS_BUSY << 16; + err = scsi_tgt_uspace_send_status(cmd, tcmd->tag); + if (err <= 0) + /* the eh will have to pick this up */ + printk(KERN_ERR "Could not send cmd %p status\n", cmd); +} + +static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) +{ + struct request *rq = cmd->request; + struct scsi_tgt_cmd *tcmd = rq->end_io_data; + int count; + + cmd->use_sg = rq->nr_phys_segments; + cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask); + if (!cmd->request_buffer) + return -ENOMEM; + + cmd->request_bufflen = rq->data_len; + + dprintk("cmd %p addr %p cnt %d %lu\n", cmd, tcmd->buffer, cmd->use_sg, + rq_data_dir(rq)); + count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer); + if (likely(count <= cmd->use_sg)) { + cmd->use_sg = count; + return 0; + } + + eprintk("cmd %p addr %p cnt %d\n", cmd, tcmd->buffer, cmd->use_sg); + scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len); + return -EINVAL; +} + +/* TODO: test this crap and replace bio_map_user with new interface maybe */ +static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd, + int rw) +{ + struct request_queue *q = cmd->request->q; + struct request *rq = cmd->request; + void *uaddr = tcmd->buffer; + unsigned int len = tcmd->bufflen; + struct bio *bio; + int err; + + while (len > 0) { + dprintk("%lx %u\n", (unsigned long) uaddr, len); + bio = bio_map_user(q, NULL, (unsigned long) uaddr, len, rw); + if (IS_ERR(bio)) { + err = PTR_ERR(bio); + dprintk("fail to map %lx %u %d %x\n", + (unsigned long) uaddr, len, err, cmd->cmnd[0]); + goto unmap_bios; + } + + uaddr += bio->bi_size; + len -= bio->bi_size; + + /* + * The first bio is added and merged. We could probably + * try to add others using scsi_merge_bio() but for now + * we keep it simple. The first bio should be pretty large + * (either hitting the 1 MB bio pages limit or a queue limit) + * already but for really large IO we may want to try and + * merge these. + */ + if (!rq->bio) { + blk_rq_bio_prep(q, rq, bio); + rq->data_len = bio->bi_size; + } else + /* put list of bios to transfer in next go around */ + bio_list_add(&tcmd->xfer_list, bio); + } + + cmd->offset = 0; + err = scsi_tgt_init_cmd(cmd, GFP_KERNEL); + if (err) + goto unmap_bios; + + return 0; + +unmap_bios: + if (rq->bio) { + bio_unmap_user(rq->bio); + while ((bio = bio_list_pop(&tcmd->xfer_list))) + bio_unmap_user(bio); + } + + return err; +} + +static int scsi_tgt_transfer_data(struct scsi_cmnd *); + +static void scsi_tgt_data_transfer_done(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + struct bio *bio; + int err; + + /* should we free resources here on error ? */ + if (cmd->result) { +send_uspace_err: + err = scsi_tgt_uspace_send_status(cmd, tcmd->tag); + if (err <= 0) + /* the tgt uspace eh will have to pick this up */ + printk(KERN_ERR "Could not send cmd %p status\n", cmd); + return; + } + + dprintk("cmd %p request_bufflen %u bufflen %u\n", + cmd, cmd->request_bufflen, tcmd->bufflen); + + scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len); + bio_list_add(&tcmd->xfer_done_list, cmd->request->bio); + + tcmd->buffer += cmd->request_bufflen; + cmd->offset += cmd->request_bufflen; + + if (!tcmd->xfer_list.head) { + scsi_tgt_transfer_response(cmd); + return; + } + + dprintk("cmd2 %p request_bufflen %u bufflen %u\n", + cmd, cmd->request_bufflen, tcmd->bufflen); + + bio = bio_list_pop(&tcmd->xfer_list); + BUG_ON(!bio); + + blk_rq_bio_prep(cmd->request->q, cmd->request, bio); + cmd->request->data_len = bio->bi_size; + err = scsi_tgt_init_cmd(cmd, GFP_ATOMIC); + if (err) { + cmd->result = DID_ERROR << 16; + goto send_uspace_err; + } + + if (scsi_tgt_transfer_data(cmd)) { + cmd->result = DID_NO_CONNECT << 16; + goto send_uspace_err; + } +} + +static int scsi_tgt_transfer_data(struct scsi_cmnd *cmd) +{ + int err; + struct Scsi_Host *host = scsi_tgt_cmd_to_host(cmd); + + err = host->hostt->transfer_data(cmd, scsi_tgt_data_transfer_done); + switch (err) { + case SCSI_MLQUEUE_HOST_BUSY: + case SCSI_MLQUEUE_DEVICE_BUSY: + return -EAGAIN; + default: + return 0; + } +} + +static int scsi_tgt_copy_sense(struct scsi_cmnd *cmd, unsigned long uaddr, + unsigned len) +{ + char __user *p = (char __user *) uaddr; + + if (copy_from_user(cmd->sense_buffer, p, + min_t(unsigned, SCSI_SENSE_BUFFERSIZE, len))) { + printk(KERN_ERR "Could not copy the sense buffer\n"); + return -EIO; + } + return 0; +} + +static int scsi_tgt_abort_cmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd) +{ + int err; + + err = shost->hostt->eh_abort_handler(cmd); + if (err) + eprintk("fail to abort %p\n", cmd); + + scsi_tgt_cmd_destroy(cmd); + return err; +} + +static struct request *tgt_cmd_hash_lookup(struct request_queue *q, u64 tag) +{ + struct scsi_tgt_queuedata *qdata = q->queuedata; + struct request *rq = NULL; + struct list_head *head; + struct scsi_tgt_cmd *tcmd; + unsigned long flags; + + head = &qdata->cmd_hash[cmd_hashfn(tag)]; + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + list_for_each_entry(tcmd, head, hash_list) { + if (tcmd->tag == tag) { + rq = tcmd->rq; + list_del(&tcmd->hash_list); + break; + } + } + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); + + return rq; +} + +int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len, + unsigned long uaddr, u8 rw) +{ + struct Scsi_Host *shost; + struct scsi_cmnd *cmd; + struct request *rq; + struct scsi_tgt_cmd *tcmd; + int err = 0; + + dprintk("%d %llu %d %u %lx %u\n", host_no, (unsigned long long) tag, + result, len, uaddr, rw); + + /* TODO: replace with a O(1) alg */ + shost = scsi_host_lookup(host_no); + if (IS_ERR(shost)) { + printk(KERN_ERR "Could not find host no %d\n", host_no); + return -EINVAL; + } + + if (!shost->uspace_req_q) { + printk(KERN_ERR "Not target scsi host %d\n", host_no); + goto done; + } + + rq = tgt_cmd_hash_lookup(shost->uspace_req_q, tag); + if (!rq) { + printk(KERN_ERR "Could not find tag %llu\n", + (unsigned long long) tag); + err = -EINVAL; + goto done; + } + cmd = rq->special; + + dprintk("cmd %p result %d len %d bufflen %u %lu %x\n", cmd, + result, len, cmd->request_bufflen, rq_data_dir(rq), cmd->cmnd[0]); + + if (result == TASK_ABORTED) { + scsi_tgt_abort_cmd(shost, cmd); + goto done; + } + /* + * store the userspace values here, the working values are + * in the request_* values + */ + tcmd = cmd->request->end_io_data; + tcmd->buffer = (void *)uaddr; + tcmd->bufflen = len; + cmd->result = result; + + if (!tcmd->bufflen || cmd->request_buffer) { + err = __scsi_tgt_transfer_response(cmd); + goto done; + } + + /* + * TODO: Do we need to handle case where request does not + * align with LLD. + */ + err = scsi_map_user_pages(rq->end_io_data, cmd, rw); + if (err) { + eprintk("%p %d\n", cmd, err); + err = -EAGAIN; + goto done; + } + + /* userspace failure */ + if (cmd->result) { + if (status_byte(cmd->result) == CHECK_CONDITION) + scsi_tgt_copy_sense(cmd, uaddr, len); + err = __scsi_tgt_transfer_response(cmd); + goto done; + } + /* ask the target LLD to transfer the data to the buffer */ + err = scsi_tgt_transfer_data(cmd); + +done: + scsi_host_put(shost); + return err; +} + +int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *shost, int function, u64 tag, + struct scsi_lun *scsilun, void *data) +{ + int err; + + /* TODO: need to retry if this fails. */ + err = scsi_tgt_uspace_send_tsk_mgmt(shost->host_no, function, + tag, scsilun, data); + if (err < 0) + eprintk("The task management request lost!\n"); + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_tsk_mgmt_request); + +int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result) +{ + struct Scsi_Host *shost; + int err = -EINVAL; + + dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid); + + shost = scsi_host_lookup(host_no); + if (IS_ERR(shost)) { + printk(KERN_ERR "Could not find host no %d\n", host_no); + return err; + } + + if (!shost->uspace_req_q) { + printk(KERN_ERR "Not target scsi host %d\n", host_no); + goto done; + } + + err = shost->hostt->tsk_mgmt_response(mid, result); +done: + scsi_host_put(shost); + return err; +} + +static int __init scsi_tgt_init(void) +{ + int err; + + scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd", + sizeof(struct scsi_tgt_cmd), + 0, 0, NULL, NULL); + if (!scsi_tgt_cmd_cache) + return -ENOMEM; + + scsi_tgtd = create_workqueue("scsi_tgtd"); + if (!scsi_tgtd) { + err = -ENOMEM; + goto free_kmemcache; + } + + err = scsi_tgt_if_init(); + if (err) + goto destroy_wq; + + return 0; + +destroy_wq: + destroy_workqueue(scsi_tgtd); +free_kmemcache: + kmem_cache_destroy(scsi_tgt_cmd_cache); + return err; +} + +static void __exit scsi_tgt_exit(void) +{ + destroy_workqueue(scsi_tgtd); + scsi_tgt_if_exit(); + kmem_cache_destroy(scsi_tgt_cmd_cache); +} + +module_init(scsi_tgt_init); +module_exit(scsi_tgt_exit); + +MODULE_DESCRIPTION("SCSI target core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/scsi_tgt_priv.h b/drivers/scsi/scsi_tgt_priv.h new file mode 100644 index 0000000..84488c5 --- /dev/null +++ b/drivers/scsi/scsi_tgt_priv.h @@ -0,0 +1,25 @@ +struct scsi_cmnd; +struct scsi_lun; +struct Scsi_Host; +struct task_struct; + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) + +#define dprintk(fmt, args...) +/* #define dprintk eprintk */ + +extern void scsi_tgt_if_exit(void); +extern int scsi_tgt_if_init(void); + +extern int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, + u64 tag); +extern int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag); +extern int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len, + unsigned long uaddr, u8 rw); +extern int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag, + struct scsi_lun *scsilun, void *data); +extern int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result); diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c new file mode 100644 index 0000000..8a63610 --- /dev/null +++ b/drivers/scsi/scsi_wait_scan.c @@ -0,0 +1,31 @@ +/* + * scsi_wait_scan.c + * + * Copyright (C) 2006 James Bottomley <James.Bottomley@SteelEye.com> + * + * This is a simple module to wait until all the async scans are + * complete. The idea is to use it in initrd/initramfs scripts. You + * modprobe it after all the modprobes of the root SCSI drivers and it + * will wait until they have all finished scanning their busses before + * allowing the boot to proceed + */ + +#include <linux/module.h> +#include "scsi_priv.h" + +static int __init wait_scan_init(void) +{ + scsi_complete_async_scans(); + return 0; +} + +static void __exit wait_scan_exit(void) +{ +} + +MODULE_DESCRIPTION("SCSI wait for scans"); +MODULE_AUTHOR("James Bottomley"); +MODULE_LICENSE("GPL"); + +late_initcall(wait_scan_init); +module_exit(wait_scan_exit); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 84ff203..f6a4528 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1051,6 +1051,14 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname) &sshdr, SD_TIMEOUT, SD_MAX_RETRIES); + /* + * If the drive has indicated to us that it + * doesn't have any media in it, don't bother + * with any more polling. + */ + if (media_not_present(sdkp, &sshdr)) + return; + if (the_result) sense_valid = scsi_sense_valid(&sshdr); retries++; @@ -1059,14 +1067,6 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname) ((driver_byte(the_result) & DRIVER_SENSE) && sense_valid && sshdr.sense_key == UNIT_ATTENTION))); - /* - * If the drive has indicated to us that it doesn't have - * any media in it, don't bother with any of the rest of - * this crap. - */ - if (media_not_present(sdkp, &sshdr)) - return; - if ((driver_byte(the_result) & DRIVER_SENSE) == 0) { /* no sense, TUR either succeeded or failed * with a status error */ @@ -1467,7 +1467,6 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr); if (scsi_status_is_good(res)) { - int ct = 0; int offset = data.header_length + data.block_descriptor_length; if (offset >= SD_BUF_SIZE - 2) { @@ -1496,11 +1495,13 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, sdkp->DPOFUA = 0; } - ct = sdkp->RCD + 2*sdkp->WCE; - - printk(KERN_NOTICE "SCSI device %s: drive cache: %s%s\n", - diskname, sd_cache_types[ct], - sdkp->DPOFUA ? " w/ FUA" : ""); + printk(KERN_NOTICE "SCSI device %s: " + "write cache: %s, read cache: %s, %s\n", + diskname, + sdkp->WCE ? "enabled" : "disabled", + sdkp->RCD ? "disabled" : "enabled", + sdkp->DPOFUA ? "supports DPO and FUA" + : "doesn't support DPO or FUA"); return; } diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index e1a52c5..587274d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -9,7 +9,7 @@ Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky, Michael Schaefer, J"org Weule, and Eric Youngdale. - Copyright 1992 - 2005 Kai Makisara + Copyright 1992 - 2006 Kai Makisara email Kai.Makisara@kolumbus.fi Some small formal changes - aeb, 950809 @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support */ -static const char *verstr = "20050830"; +static const char *verstr = "20061107"; #include <linux/module.h> @@ -999,7 +999,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp) STp->min_block = ((STp->buffer)->b_data[4] << 8) | (STp->buffer)->b_data[5]; if ( DEB( debugging || ) !STp->inited) - printk(KERN_WARNING + printk(KERN_INFO "%s: Block limits %d - %d bytes.\n", name, STp->min_block, STp->max_block); } else { @@ -1224,7 +1224,7 @@ static int st_flush(struct file *filp, fl_owner_t id) } DEBC( if (STp->nbr_requests) - printk(KERN_WARNING "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n", + printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n", name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages, STp->nbr_combinable)); if (STps->rw == ST_WRITING && !STp->pos_unknown) { @@ -4056,11 +4056,11 @@ static int st_probe(struct device *dev) goto out_free_tape; } - sdev_printk(KERN_WARNING, SDp, + sdev_printk(KERN_NOTICE, SDp, "Attached scsi tape %s\n", tape_name(tpnt)); - printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n", - tape_name(tpnt), tpnt->try_dio ? "yes" : "no", - queue_dma_alignment(SDp->request_queue) + 1); + sdev_printk(KERN_INFO, SDp, "%s: try direct i/o: %s (alignment %d B)\n", + tape_name(tpnt), tpnt->try_dio ? "yes" : "no", + queue_dma_alignment(SDp->request_queue) + 1); return 0; diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 185c270..ba6bcda 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -11,8 +11,6 @@ * Written By: * Ed Lin <promise_linux@promise.com> * - * Version: 3.0.0.1 - * */ #include <linux/init.h> @@ -37,9 +35,9 @@ #include <scsi/scsi_tcq.h> #define DRV_NAME "stex" -#define ST_DRIVER_VERSION "3.0.0.1" +#define ST_DRIVER_VERSION "3.1.0.1" #define ST_VER_MAJOR 3 -#define ST_VER_MINOR 0 +#define ST_VER_MINOR 1 #define ST_OEM 0 #define ST_BUILD_VER 1 @@ -76,8 +74,10 @@ enum { MU_STATE_STARTED = 4, MU_STATE_RESETTING = 5, - MU_MAX_DELAY_TIME = 240000, + MU_MAX_DELAY = 120, MU_HANDSHAKE_SIGNATURE = 0x55aaaa55, + MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000, + MU_HARD_RESET_WAIT = 30000, HMU_PARTNER_TYPE = 2, /* firmware returned values */ @@ -120,7 +120,8 @@ enum { st_shasta = 0, st_vsc = 1, - st_yosemite = 2, + st_vsc1 = 2, + st_yosemite = 3, PASSTHRU_REQ_TYPE = 0x00000001, PASSTHRU_REQ_NO_WAKEUP = 0x00000100, @@ -150,6 +151,8 @@ enum { MGT_CMD_SIGNATURE = 0xba, INQUIRY_EVPD = 0x01, + + ST_ADDITIONAL_MEM = 0x200000, }; /* SCSI inquiry data */ @@ -211,7 +214,9 @@ struct handshake_frame { __le32 partner_ver_minor; __le32 partner_ver_oem; __le32 partner_ver_build; - u32 reserved1[4]; + __le32 extra_offset; /* NEW */ + __le32 extra_size; /* NEW */ + u32 reserved1[2]; }; struct req_msg { @@ -302,6 +307,7 @@ struct st_hba { void __iomem *mmio_base; /* iomapped PCI memory space */ void *dma_mem; dma_addr_t dma_handle; + size_t dma_size; struct Scsi_Host *host; struct pci_dev *pdev; @@ -507,6 +513,7 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb) size_t count = sizeof(struct st_frame); p = hba->copy_buffer; + stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD); memset(p->base, 0, sizeof(u32)*6); *(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0); p->rom_addr = 0; @@ -901,27 +908,34 @@ static int stex_handshake(struct st_hba *hba) void __iomem *base = hba->mmio_base; struct handshake_frame *h; dma_addr_t status_phys; - int i; + u32 data; + unsigned long before; if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { writel(MU_INBOUND_DOORBELL_HANDSHAKE, base + IDBL); readl(base + IDBL); - for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE - && i < MU_MAX_DELAY_TIME; i++) { + before = jiffies; + while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { + if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) { + printk(KERN_ERR DRV_NAME + "(%s): no handshake signature\n", + pci_name(hba->pdev)); + return -1; + } rmb(); msleep(1); } - - if (i == MU_MAX_DELAY_TIME) { - printk(KERN_ERR DRV_NAME - "(%s): no handshake signature\n", - pci_name(hba->pdev)); - return -1; - } } udelay(10); + data = readl(base + OMR1); + if ((data & 0xffff0000) == MU_HANDSHAKE_SIGNATURE_HALF) { + data &= 0x0000ffff; + if (hba->host->can_queue > data) + hba->host->can_queue = data; + } + h = (struct handshake_frame *)(hba->dma_mem + MU_REQ_BUFFER_SIZE); h->rb_phy = cpu_to_le32(hba->dma_handle); h->rb_phy_hi = cpu_to_le32((hba->dma_handle >> 16) >> 16); @@ -931,6 +945,11 @@ static int stex_handshake(struct st_hba *hba) h->status_cnt = cpu_to_le16(MU_STATUS_COUNT); stex_gettime(&h->hosttime); h->partner_type = HMU_PARTNER_TYPE; + if (hba->dma_size > STEX_BUFFER_SIZE) { + h->extra_offset = cpu_to_le32(STEX_BUFFER_SIZE); + h->extra_size = cpu_to_le32(ST_ADDITIONAL_MEM); + } else + h->extra_offset = h->extra_size = 0; status_phys = hba->dma_handle + MU_REQ_BUFFER_SIZE; writel(status_phys, base + IMR0); @@ -944,19 +963,18 @@ static int stex_handshake(struct st_hba *hba) readl(base + IDBL); /* flush */ udelay(10); - for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE - && i < MU_MAX_DELAY_TIME; i++) { + before = jiffies; + while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { + if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) { + printk(KERN_ERR DRV_NAME + "(%s): no signature after handshake frame\n", + pci_name(hba->pdev)); + return -1; + } rmb(); msleep(1); } - if (i == MU_MAX_DELAY_TIME) { - printk(KERN_ERR DRV_NAME - "(%s): no signature after handshake frame\n", - pci_name(hba->pdev)); - return -1; - } - writel(0, base + IMR0); readl(base + IMR0); writel(0, base + OMR0); @@ -1038,9 +1056,9 @@ static void stex_hard_reset(struct st_hba *hba) pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl); - for (i = 0; i < MU_MAX_DELAY_TIME; i++) { + for (i = 0; i < MU_HARD_RESET_WAIT; i++) { pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd); - if (pci_cmd & PCI_COMMAND_MASTER) + if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER)) break; msleep(1); } @@ -1100,18 +1118,18 @@ static int stex_reset(struct scsi_cmnd *cmd) static int stex_biosparam(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[]) { - int heads = 255, sectors = 63, cylinders; + int heads = 255, sectors = 63; if (capacity < 0x200000) { heads = 64; sectors = 32; } - cylinders = sector_div(capacity, heads * sectors); + sector_div(capacity, heads * sectors); geom[0] = heads; geom[1] = sectors; - geom[2] = cylinders; + geom[2] = capacity; return 0; } @@ -1193,8 +1211,13 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_iounmap; } + hba->cardtype = (unsigned int) id->driver_data; + if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1) + hba->cardtype = st_vsc1; + hba->dma_size = (hba->cardtype == st_vsc1) ? + (STEX_BUFFER_SIZE + ST_ADDITIONAL_MEM) : (STEX_BUFFER_SIZE); hba->dma_mem = dma_alloc_coherent(&pdev->dev, - STEX_BUFFER_SIZE, &hba->dma_handle, GFP_KERNEL); + hba->dma_size, &hba->dma_handle, GFP_KERNEL); if (!hba->dma_mem) { err = -ENOMEM; printk(KERN_ERR DRV_NAME "(%s): dma mem alloc failed\n", @@ -1207,8 +1230,6 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE; hba->mu_status = MU_STATE_STARTING; - hba->cardtype = (unsigned int) id->driver_data; - /* firmware uses id/lun pair for a logical drive, but lun would be always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use channel to map lun here */ @@ -1233,7 +1254,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (err) goto out_free_irq; - err = scsi_init_shared_tag_map(host, ST_CAN_QUEUE); + err = scsi_init_shared_tag_map(host, host->can_queue); if (err) { printk(KERN_ERR DRV_NAME "(%s): init shared queue failed\n", pci_name(pdev)); @@ -1256,7 +1277,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) out_free_irq: free_irq(pdev->irq, hba); out_pci_free: - dma_free_coherent(&pdev->dev, STEX_BUFFER_SIZE, + dma_free_coherent(&pdev->dev, hba->dma_size, hba->dma_mem, hba->dma_handle); out_iounmap: iounmap(hba->mmio_base); @@ -1317,7 +1338,7 @@ static void stex_hba_free(struct st_hba *hba) pci_release_regions(hba->pdev); - dma_free_coherent(&hba->pdev->dev, STEX_BUFFER_SIZE, + dma_free_coherent(&hba->pdev->dev, hba->dma_size, hba->dma_mem, hba->dma_handle); } @@ -1346,15 +1367,32 @@ static void stex_shutdown(struct pci_dev *pdev) } static struct pci_device_id stex_pci_tbl[] = { - { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0xf350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x8301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x8302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x1725, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc }, - { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_yosemite }, + /* st_shasta */ + { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX8350/8300/16350/16300 */ + { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX12350 */ + { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX4350 */ + { 0x105a, 0xe350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX24350 */ + + /* st_vsc */ + { 0x105a, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc }, + + /* st_yosemite */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x4600, 0, 0, + st_yosemite }, /* SuperTrak EX4650 */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x4610, 0, 0, + st_yosemite }, /* SuperTrak EX4650o */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8600, 0, 0, + st_yosemite }, /* SuperTrak EX8650EL */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8601, 0, 0, + st_yosemite }, /* SuperTrak EX8650 */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8602, 0, 0, + st_yosemite }, /* SuperTrak EX8654 */ + { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_yosemite }, /* generic st_yosemite */ { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, stex_pci_tbl); diff --git a/drivers/scsi/t128.h b/drivers/scsi/t128.h index 646e840..76a069b 100644 --- a/drivers/scsi/t128.h +++ b/drivers/scsi/t128.h @@ -8,20 +8,20 @@ * drew@colorado.edu * +1 (303) 440-4894 * - * DISTRIBUTION RELEASE 3. + * DISTRIBUTION RELEASE 3. * - * For more information, please consult + * For more information, please consult * * Trantor Systems, Ltd. * T128/T128F/T228 SCSI Host Adapter * Hardware Specifications - * - * Trantor Systems, Ltd. + * + * Trantor Systems, Ltd. * 5415 Randall Place * Fremont, CA 94538 * 1+ (415) 770-1400, FAX 1+ (415) 770-9910 - * - * and + * + * and * * NCR 5380 Family * SCSI Protocol Controller @@ -48,15 +48,15 @@ #define TDEBUG_TRANSFER 0x2 /* - * The trantor boards are memory mapped. They use an NCR5380 or + * The trantor boards are memory mapped. They use an NCR5380 or * equivalent (my sample board had part second sourced from ZILOG). - * NCR's recommended "Pseudo-DMA" architecture is used, where + * NCR's recommended "Pseudo-DMA" architecture is used, where * a PAL drives the DMA signals on the 5380 allowing fast, blind - * transfers with proper handshaking. + * transfers with proper handshaking. */ /* - * Note : a boot switch is provided for the purpose of informing the + * Note : a boot switch is provided for the purpose of informing the * firmware to boot or not boot from attached SCSI devices. So, I imagine * there are fewer people who've yanked the ROM like they do on the Seagate * to make bootup faster, and I'll probably use this for autodetection. @@ -92,19 +92,20 @@ #define T_DATA_REG_OFFSET 0x1e00 /* rw 512 bytes long */ #ifndef ASM -static int t128_abort(Scsi_Cmnd *); +static int t128_abort(struct scsi_cmnd *); static int t128_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int t128_detect(struct scsi_host_template *); -static int t128_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); -static int t128_bus_reset(Scsi_Cmnd *); +static int t128_queue_command(struct scsi_cmnd *, + void (*done)(struct scsi_cmnd *)); +static int t128_bus_reset(struct scsi_cmnd *); #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE -#define CAN_QUEUE 32 +#define CAN_QUEUE 32 #endif #ifndef HOSTS_C @@ -120,7 +121,7 @@ static int t128_bus_reset(Scsi_Cmnd *); #define T128_address(reg) (base + T_5380_OFFSET + ((reg) * 0x20)) -#if !(TDEBUG & TDEBUG_TRANSFER) +#if !(TDEBUG & TDEBUG_TRANSFER) #define NCR5380_read(reg) readb(T128_address(reg)) #define NCR5380_write(reg, value) writeb((value),(T128_address(reg))) #else @@ -129,7 +130,7 @@ static int t128_bus_reset(Scsi_Cmnd *); , instance->hostno, (reg), T128_address(reg))), readb(T128_address(reg))) #define NCR5380_write(reg, value) { \ - printk("scsi%d : write %02x to register %d at address %08x\n", \ + printk("scsi%d : write %02x to register %d at address %08x\n", \ instance->hostno, (value), (reg), T128_address(reg)); \ writeb((value), (T128_address(reg))); \ } @@ -142,10 +143,10 @@ static int t128_bus_reset(Scsi_Cmnd *); #define NCR5380_bus_reset t128_bus_reset #define NCR5380_proc_info t128_proc_info -/* 15 14 12 10 7 5 3 +/* 15 14 12 10 7 5 3 1101 0100 1010 1000 */ - -#define T128_IRQS 0xc4a8 + +#define T128_IRQS 0xc4a8 #endif /* else def HOSTS_C */ #endif /* ndef ASM */ diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 1d77b63..44b2f82 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -339,6 +339,8 @@ struct sas_ha_struct { void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event); void *lldd_ha; /* not touched by sas class code */ + + struct list_head eh_done_q; }; #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata) @@ -527,13 +529,16 @@ struct sas_task { void *lldd_task; /* for use by LLDDs */ void *uldd_task; + + struct work_struct abort_work; }; -#define SAS_TASK_STATE_PENDING 1 -#define SAS_TASK_STATE_DONE 2 -#define SAS_TASK_STATE_ABORTED 4 +#define SAS_TASK_STATE_PENDING 1 +#define SAS_TASK_STATE_DONE 2 +#define SAS_TASK_STATE_ABORTED 4 +#define SAS_TASK_INITIATOR_ABORTED 8 static inline struct sas_task *sas_alloc_task(gfp_t flags) { @@ -593,6 +598,7 @@ struct sas_domain_function_template { extern int sas_register_ha(struct sas_ha_struct *); extern int sas_unregister_ha(struct sas_ha_struct *); +int sas_phy_reset(struct sas_phy *phy, int hard_reset); extern int sas_queuecommand(struct scsi_cmnd *, void (*scsi_done)(struct scsi_cmnd *)); extern int sas_target_alloc(struct scsi_target *); @@ -625,4 +631,6 @@ void sas_unregister_dev(struct domain_device *); void sas_init_dev(struct domain_device *); +void sas_task_abort(struct sas_task *task); + #endif /* _SASLIB_H_ */ diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h new file mode 100644 index 0000000..d143171 --- /dev/null +++ b/include/scsi/libsrp.h @@ -0,0 +1,77 @@ +#ifndef __LIBSRP_H__ +#define __LIBSRP_H__ + +#include <linux/list.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_host.h> +#include <scsi/srp.h> + +enum iue_flags { + V_DIOVER, + V_WRITE, + V_LINKED, + V_FLYING, +}; + +struct srp_buf { + dma_addr_t dma; + void *buf; +}; + +struct srp_queue { + void *pool; + void *items; + struct kfifo *queue; + spinlock_t lock; +}; + +struct srp_target { + struct Scsi_Host *shost; + struct device *dev; + + spinlock_t lock; + struct list_head cmd_queue; + + size_t srp_iu_size; + struct srp_queue iu_queue; + size_t rx_ring_size; + struct srp_buf **rx_ring; + + void *ldata; +}; + +struct iu_entry { + struct srp_target *target; + + struct list_head ilist; + dma_addr_t remote_token; + unsigned long flags; + + struct srp_buf *sbuf; +}; + +typedef int (srp_rdma_t)(struct scsi_cmnd *, struct scatterlist *, int, + struct srp_direct_buf *, int, + enum dma_data_direction, unsigned int); +extern int srp_target_alloc(struct srp_target *, struct device *, size_t, size_t); +extern void srp_target_free(struct srp_target *); + +extern struct iu_entry *srp_iu_get(struct srp_target *); +extern void srp_iu_put(struct iu_entry *); + +extern int srp_cmd_queue(struct Scsi_Host *, struct srp_cmd *, void *, u64); +extern int srp_transfer_data(struct scsi_cmnd *, struct srp_cmd *, + srp_rdma_t, int, int); + + +static inline struct srp_target *host_to_srp_target(struct Scsi_Host *host) +{ + return (struct srp_target *) host->hostdata; +} + +static inline int srp_cmd_direction(struct srp_cmd *cmd) +{ + return (cmd->buf_fmt >> 4) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; +} + +#endif diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index be117f8..d6948d0 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -8,6 +8,7 @@ struct request; struct scatterlist; +struct Scsi_Host; struct scsi_device; @@ -72,6 +73,9 @@ struct scsi_cmnd { unsigned short use_sg; /* Number of pieces of scatter-gather */ unsigned short sglist_len; /* size of malloc'd scatter-gather list */ + /* offset in cmd we are at (for multi-transfer tgt cmds) */ + unsigned offset; + unsigned underflow; /* Return error if less than this amount is transferred */ @@ -119,7 +123,10 @@ struct scsi_cmnd { }; extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); +extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t); extern void scsi_put_command(struct scsi_cmnd *); +extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *, + struct device *); extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); extern void scsi_finish_command(struct scsi_cmnd *cmd); extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd); @@ -128,4 +135,7 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count, size_t *offset, size_t *len); extern void scsi_kunmap_atomic_sg(void *virt); +extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t); +extern void scsi_free_sgtable(struct scatterlist *, int); + #endif /* _SCSI_SCSI_CMND_H */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index b401c82..ebf31b1 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -223,13 +223,13 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *, struct scsi_device *); /** - * shost_for_each_device - iterate over all devices of a host - * @sdev: iterator - * @host: host whiches devices we want to iterate over + * shost_for_each_device - iterate over all devices of a host + * @sdev: the &struct scsi_device to use as a cursor + * @shost: the &struct scsi_host to iterate over * - * This traverses over each devices of @shost. The devices have - * a reference that must be released by scsi_host_put when breaking - * out of the loop. + * Iterator that returns each device attached to @shost. This loop + * takes a reference on each device and releases it at the end. If + * you break out of the loop, you must call scsi_device_put(sdev). */ #define shost_for_each_device(sdev, shost) \ for ((sdev) = __scsi_iterate_devices((shost), NULL); \ @@ -237,17 +237,17 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *, (sdev) = __scsi_iterate_devices((shost), (sdev))) /** - * __shost_for_each_device - iterate over all devices of a host (UNLOCKED) - * @sdev: iterator - * @host: host whiches devices we want to iterate over + * __shost_for_each_device - iterate over all devices of a host (UNLOCKED) + * @sdev: the &struct scsi_device to use as a cursor + * @shost: the &struct scsi_host to iterate over * - * This traverses over each devices of @shost. It does _not_ take a - * reference on the scsi_device, thus it the whole loop must be protected - * by shost->host_lock. + * Iterator that returns each device attached to @shost. It does _not_ + * take a reference on the scsi_device, so the whole loop must be + * protected by shost->host_lock. * - * Note: The only reason why drivers would want to use this is because - * they're need to access the device list in irq context. Otherwise you - * really want to use shost_for_each_device instead. + * Note: The only reason to use this is because you need to access the + * device list in interrupt context. Otherwise you really want to use + * shost_for_each_device instead. */ #define __shost_for_each_device(sdev, shost) \ list_for_each_entry((sdev), &((shost)->__devices), siblings) diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 39c6f8c..7f1f411 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -7,6 +7,7 @@ #include <linux/workqueue.h> #include <linux/mutex.h> +struct request_queue; struct block_device; struct completion; struct module; @@ -124,6 +125,39 @@ struct scsi_host_template { void (*done)(struct scsi_cmnd *)); /* + * The transfer functions are used to queue a scsi command to + * the LLD. When the driver is finished processing the command + * the done callback is invoked. + * + * return values: see queuecommand + * + * If the LLD accepts the cmd, it should set the result to an + * appropriate value when completed before calling the done function. + * + * STATUS: REQUIRED FOR TARGET DRIVERS + */ + /* TODO: rename */ + int (* transfer_response)(struct scsi_cmnd *, + void (*done)(struct scsi_cmnd *)); + /* + * This is called to inform the LLD to transfer cmd->request_bufflen + * bytes of the cmd at cmd->offset in the cmd. The cmd->use_sg + * speciefies the number of scatterlist entried in the command + * and cmd->request_buffer contains the scatterlist. + * + * If the command cannot be processed in one transfer_data call + * becuase a scatterlist within the LLD's limits cannot be + * created then transfer_data will be called multiple times. + * It is initially called from process context, and later + * calls are from the interrup context. + */ + int (* transfer_data)(struct scsi_cmnd *, + void (*done)(struct scsi_cmnd *)); + + /* Used as callback for the completion of task management request. */ + int (* tsk_mgmt_response)(u64 mid, int result); + + /* * This is an error handling strategy routine. You don't need to * define one of these if you don't want to - there is a default * routine that is present that should work in most cases. For those @@ -241,6 +275,24 @@ struct scsi_host_template { void (* target_destroy)(struct scsi_target *); /* + * If a host has the ability to discover targets on its own instead + * of scanning the entire bus, it can fill in this function and + * call scsi_scan_host(). This function will be called periodically + * until it returns 1 with the scsi_host and the elapsed time of + * the scan in jiffies. + * + * Status: OPTIONAL + */ + int (* scan_finished)(struct Scsi_Host *, unsigned long); + + /* + * If the host wants to be called before the scan starts, but + * after the midlayer has set up ready for the scan, it can fill + * in this function. + */ + void (* scan_start)(struct Scsi_Host *); + + /* * fill in this function to allow the queue depth of this host * to be changeable (on a per device basis). returns either * the current queue depth setting (may be different from what @@ -552,6 +604,9 @@ struct Scsi_Host { /* task mgmt function in progress */ unsigned tmf_in_progress:1; + /* Asynchronous scan in progress */ + unsigned async_scan:1; + /* * Optional work queue to be utilized by the transport */ @@ -568,6 +623,12 @@ struct Scsi_Host { */ unsigned int max_host_blocked; + /* + * q used for scsi_tgt msgs, async events or any other requests that + * need to be processed in userspace + */ + struct request_queue *uspace_req_q; + /* legacy crap */ unsigned long base; unsigned long io_port; @@ -648,11 +709,6 @@ extern const char *scsi_host_state_name(enum scsi_host_state); extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *); -static inline void scsi_assign_lock(struct Scsi_Host *shost, spinlock_t *lock) -{ - shost->host_lock = lock; -} - static inline struct device *scsi_get_device(struct Scsi_Host *shost) { return shost->shost_gendev.parent; @@ -671,6 +727,9 @@ extern void scsi_unblock_requests(struct Scsi_Host *); extern void scsi_block_requests(struct Scsi_Host *); struct class_container; + +extern struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost, + void (*) (struct request_queue *)); /* * These two functions are used to allocate and free a pseudo device * which will connect to the host adapter itself rather than any diff --git a/include/scsi/scsi_tgt.h b/include/scsi/scsi_tgt.h new file mode 100644 index 0000000..4f44279 --- /dev/null +++ b/include/scsi/scsi_tgt.h @@ -0,0 +1,19 @@ +/* + * SCSI target definitions + */ + +#include <linux/dma-mapping.h> + +struct Scsi_Host; +struct scsi_cmnd; +struct scsi_lun; + +extern struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *); +extern int scsi_tgt_alloc_queue(struct Scsi_Host *); +extern void scsi_tgt_free_queue(struct Scsi_Host *); +extern int scsi_tgt_queue_command(struct scsi_cmnd *, struct scsi_lun *, u64); +extern int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *, int, u64, struct scsi_lun *, + void *); +extern struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *, + enum dma_data_direction, gfp_t); +extern void scsi_host_put_command(struct Scsi_Host *, struct scsi_cmnd *); diff --git a/include/scsi/scsi_tgt_if.h b/include/scsi/scsi_tgt_if.h new file mode 100644 index 0000000..46d5e70 --- /dev/null +++ b/include/scsi/scsi_tgt_if.h @@ -0,0 +1,90 @@ +/* + * SCSI target kernel/user interface + * + * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org> + * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu> + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#ifndef __SCSI_TARGET_IF_H +#define __SCSI_TARGET_IF_H + +/* user -> kernel */ +#define TGT_UEVENT_CMD_RSP 0x0001 +#define TGT_UEVENT_TSK_MGMT_RSP 0x0002 + +/* kernel -> user */ +#define TGT_KEVENT_CMD_REQ 0x1001 +#define TGT_KEVENT_CMD_DONE 0x1002 +#define TGT_KEVENT_TSK_MGMT_REQ 0x1003 + +struct tgt_event_hdr { + uint16_t version; + uint16_t status; + uint16_t type; + uint16_t len; +} __attribute__ ((aligned (sizeof(uint64_t)))); + +struct tgt_event { + struct tgt_event_hdr hdr; + + union { + /* user-> kernel */ + struct { + int host_no; + uint32_t len; + int result; + aligned_u64 uaddr; + uint8_t rw; + aligned_u64 tag; + } cmd_rsp; + struct { + int host_no; + aligned_u64 mid; + int result; + } tsk_mgmt_rsp; + + + /* kernel -> user */ + struct { + int host_no; + uint32_t data_len; + uint8_t scb[16]; + uint8_t lun[8]; + int attribute; + aligned_u64 tag; + } cmd_req; + struct { + int host_no; + aligned_u64 tag; + int result; + } cmd_done; + struct { + int host_no; + int function; + aligned_u64 tag; + uint8_t lun[8]; + aligned_u64 mid; + } tsk_mgmt_req; + } p; +} __attribute__ ((aligned (sizeof(uint64_t)))); + +#define TGT_RING_SIZE (1UL << 16) +#define TGT_RING_PAGES (TGT_RING_SIZE >> PAGE_SHIFT) +#define TGT_EVENT_PER_PAGE (PAGE_SIZE / sizeof(struct tgt_event)) +#define TGT_MAX_EVENTS (TGT_EVENT_PER_PAGE * TGT_RING_PAGES) + +#endif diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 5302437..59633a82d 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -73,6 +73,8 @@ struct sas_phy { /* for the list of phys belonging to a port */ struct list_head port_siblings; + + struct work_struct reset_work; }; #define dev_to_phy(d) \ |
