diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 2 | ||||
-rw-r--r-- | drivers/scsi/ipr.c | 9 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_ata.c | 94 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_scsi_host.c | 14 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 2 | ||||
-rw-r--r-- | drivers/scsi/scsi_lib.c | 2 | ||||
-rw-r--r-- | drivers/scsi/scsi_tgt_lib.c | 2 | ||||
-rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 2 |
8 files changed, 105 insertions, 22 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 79cefbe31367..638c72b7f94a 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -4277,7 +4277,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev, snprintf(phba->wq_name, sizeof(phba->wq_name), "beiscsi_q_irq%u", phba->shost->host_no); - phba->wq = create_workqueue(phba->wq_name); + phba->wq = alloc_workqueue(phba->wq_name, WQ_MEM_RECLAIM, 1); if (!phba->wq) { shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-" "Failed to allocate work queue\n"); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 9c5c8be72231..d841e98a8bd5 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6219,11 +6219,10 @@ static struct ata_port_operations ipr_sata_ops = { }; static struct ata_port_info sata_port_info = { - .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET | - ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA, - .pio_mask = 0x10, /* pio4 */ - .mwdma_mask = 0x07, - .udma_mask = 0x7f, /* udma0-6 */ + .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, + .pio_mask = ATA_PIO4_ONLY, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, .port_ops = &ipr_sata_ops }; diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index e1a395b438ee..4d3b704ede1c 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -238,37 +238,43 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) return true; } -static void sas_ata_phy_reset(struct ata_port *ap) +static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class, + unsigned long deadline) { + struct ata_port *ap = link->ap; struct domain_device *dev = ap->private_data; struct sas_internal *i = to_sas_internal(dev->port->ha->core.shost->transportt); int res = TMF_RESP_FUNC_FAILED; + int ret = 0; if (i->dft->lldd_I_T_nexus_reset) res = i->dft->lldd_I_T_nexus_reset(dev); - if (res != TMF_RESP_FUNC_COMPLETE) + if (res != TMF_RESP_FUNC_COMPLETE) { SAS_DPRINTK("%s: Unable to reset I T nexus?\n", __func__); + ret = -EAGAIN; + } switch (dev->sata_dev.command_set) { case ATA_COMMAND_SET: SAS_DPRINTK("%s: Found ATA device.\n", __func__); - ap->link.device[0].class = ATA_DEV_ATA; + *class = ATA_DEV_ATA; break; case ATAPI_COMMAND_SET: SAS_DPRINTK("%s: Found ATAPI device.\n", __func__); - ap->link.device[0].class = ATA_DEV_ATAPI; + *class = ATA_DEV_ATAPI; break; default: SAS_DPRINTK("%s: Unknown SATA command set: %d.\n", __func__, dev->sata_dev.command_set); - ap->link.device[0].class = ATA_DEV_UNKNOWN; + *class = ATA_DEV_UNKNOWN; break; } ap->cbl = ATA_CBL_SATA; + return ret; } static void sas_ata_post_internal(struct ata_queued_cmd *qc) @@ -349,7 +355,11 @@ static int sas_ata_scr_read(struct ata_link *link, unsigned int sc_reg_in, } static struct ata_port_operations sas_sata_ops = { - .phy_reset = sas_ata_phy_reset, + .prereset = ata_std_prereset, + .softreset = NULL, + .hardreset = sas_ata_hard_reset, + .postreset = ata_std_postreset, + .error_handler = ata_std_error_handler, .post_internal_cmd = sas_ata_post_internal, .qc_defer = ata_std_qc_defer, .qc_prep = ata_noop_qc_prep, @@ -362,10 +372,9 @@ static struct ata_port_operations sas_sata_ops = { }; static struct ata_port_info sata_port_info = { - .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET | - ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ, - .pio_mask = 0x1f, /* PIO0-4 */ - .mwdma_mask = 0x07, /* MWDMA0-2 */ + .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA6, .port_ops = &sas_sata_ops }; @@ -781,3 +790,68 @@ int sas_discover_sata(struct domain_device *dev) return res; } + +void sas_ata_strategy_handler(struct Scsi_Host *shost) +{ + struct scsi_device *sdev; + + shost_for_each_device(sdev, shost) { + struct domain_device *ddev = sdev_to_domain_dev(sdev); + struct ata_port *ap = ddev->sata_dev.ap; + + if (!dev_is_sata(ddev)) + continue; + + ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler"); + ata_scsi_port_error_handler(shost, ap); + } +} + +int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task, + enum blk_eh_timer_return *rtn) +{ + struct domain_device *ddev = cmd_to_domain_dev(cmd); + + if (!dev_is_sata(ddev) || task) + return 0; + + /* we're a sata device with no task, so this must be a libata + * eh timeout. Ideally should hook into libata timeout + * handling, but there's no point, it just wants to activate + * the eh thread */ + *rtn = BLK_EH_NOT_HANDLED; + return 1; +} + +int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, + struct list_head *done_q) +{ + int rtn = 0; + struct scsi_cmnd *cmd, *n; + struct ata_port *ap; + + do { + LIST_HEAD(sata_q); + + ap = NULL; + + list_for_each_entry_safe(cmd, n, work_q, eh_entry) { + struct domain_device *ddev = cmd_to_domain_dev(cmd); + + if (!dev_is_sata(ddev) || TO_SAS_TASK(cmd)) + continue; + if(ap && ap != ddev->sata_dev.ap) + continue; + ap = ddev->sata_dev.ap; + rtn = 1; + list_move(&cmd->eh_entry, &sata_q); + } + + if (!list_empty(&sata_q)) { + ata_port_printk(ap, KERN_DEBUG,"sas eh calling libata cmd error handler\n"); + ata_scsi_cmd_error_handler(shost, ap, &sata_q); + } + } while (ap); + + return rtn; +} diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 9a7aaf5f1311..67758ea8eb7f 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -663,11 +663,16 @@ void sas_scsi_recover_host(struct Scsi_Host *shost) * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any * command we see here has no sas_task and is thus unknown to the HA. */ - if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q)) - scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q); + if (!sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q)) + if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q)) + scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q); out: + /* now link into libata eh --- if we have any ata devices */ + sas_ata_strategy_handler(shost); + scsi_eh_flush_done_q(&ha->eh_done_q); + SAS_DPRINTK("--- Exit %s\n", __func__); return; } @@ -676,6 +681,11 @@ enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) { struct sas_task *task = TO_SAS_TASK(cmd); unsigned long flags; + enum blk_eh_timer_return rtn; + + if (sas_ata_timed_out(cmd, task, &rtn)) + return rtn; + if (!task) { cmd->request->timeout /= 2; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f27724d76cf6..e90f7c16b956 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -349,7 +349,7 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha) "Can't create request queue\n"); goto fail; } - ha->wq = create_workqueue("qla2xxx_wq"); + ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1); vha->req = ha->req_q_map[req]; options |= BIT_1; for (ques = 1; ques < ha->max_rsp_queues; ques++) { diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9045c52abd25..fb2bb35c62cb 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -443,7 +443,7 @@ static void scsi_run_queue(struct request_queue *q) &sdev->request_queue->queue_flags); if (flagset) queue_flag_set(QUEUE_FLAG_REENTER, sdev->request_queue); - __blk_run_queue(sdev->request_queue); + __blk_run_queue(sdev->request_queue, false); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, sdev->request_queue); spin_unlock(sdev->request_queue->queue_lock); diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index c399be979921..f67282058ba1 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -629,7 +629,7 @@ static int __init scsi_tgt_init(void) if (!scsi_tgt_cmd_cache) return -ENOMEM; - scsi_tgtd = create_workqueue("scsi_tgtd"); + scsi_tgtd = alloc_workqueue("scsi_tgtd", 0, 1); if (!scsi_tgtd) { err = -ENOMEM; goto free_kmemcache; diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 998c01be3234..5c3ccfc6b622 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3829,7 +3829,7 @@ fc_bsg_goose_queue(struct fc_rport *rport) !test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags); if (flagset) queue_flag_set(QUEUE_FLAG_REENTER, rport->rqst_q); - __blk_run_queue(rport->rqst_q); + __blk_run_queue(rport->rqst_q, false); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q); spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags); |