From c448ecfa0b2e648a668a1c62286e989ab1dbf6c8 Mon Sep 17 00:00:00 2001 From: Don Brace Date: Wed, 27 Apr 2016 17:13:51 -0500 Subject: [PATCH] hpsa: add timeouts for driver initiated commands faulty drives can cause the driver to hang during a scan operation. Reviewed-by: Scott Teel Reviewed-by: Kevin Barnett Signed-off-by: Don Brace Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/hpsa.c | 42 +++++++++++++++++++++++------------------- 1 file changed, 23 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index a677dfe09998..5ef62eafe5d1 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2831,7 +2831,7 @@ static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr, goto out; } rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if (rc) goto out; ei = c->err_info; @@ -2857,7 +2857,7 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr, /* fill_cmd can't fail here, no data buffer to map. */ (void) fill_cmd(c, reset_type, h, NULL, 0, 0, scsi3addr, TYPE_MSG); - rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); + rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT); if (rc) { dev_warn(&h->pdev->dev, "Failed to send reset command\n"); goto out; @@ -3105,7 +3105,7 @@ static int hpsa_get_raid_map(struct ctlr_info *h, return -1; } rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if (rc) goto out; ei = c->err_info; @@ -3148,7 +3148,7 @@ static int hpsa_bmic_sense_subsystem_information(struct ctlr_info *h, c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if (rc) goto out; ei = c->err_info; @@ -3176,7 +3176,7 @@ static int hpsa_bmic_id_controller(struct ctlr_info *h, goto out; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if (rc) goto out; ei = c->err_info; @@ -3207,7 +3207,7 @@ static int hpsa_bmic_id_physical_device(struct ctlr_info *h, c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff; hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE, - NO_TIMEOUT); + DEFAULT_TIMEOUT); ei = c->err_info; if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { hpsa_scsi_interpret_error(h, c); @@ -3275,7 +3275,7 @@ static void hpsa_get_enclosure_info(struct ctlr_info *h, c->Request.CDB[5] = 0; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE, - NO_TIMEOUT); + DEFAULT_TIMEOUT); if (rc) goto out; @@ -3487,7 +3487,7 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical, if (extended_response) c->Request.CDB[1] = extended_response; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if (rc) goto out; ei = c->err_info; @@ -3594,7 +3594,8 @@ static int hpsa_volume_offline(struct ctlr_info *h, c = cmd_alloc(h); (void) fill_cmd(c, TEST_UNIT_READY, h, NULL, 0, 0, scsi3addr, TYPE_CMD); - rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT); + rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, + DEFAULT_TIMEOUT); if (rc) { cmd_free(h, c); return 0; @@ -3669,7 +3670,8 @@ static int hpsa_device_supports_aborts(struct ctlr_info *h, c = cmd_alloc(h); (void) fill_cmd(c, HPSA_ABORT_MSG, h, &tag, 0, 0, scsi3addr, TYPE_MSG); - (void) hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT); + (void) hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, + DEFAULT_TIMEOUT); /* no unmap needed here because no data xfer. */ ei = c->err_info; switch (ei->CommandStatus) { @@ -5439,7 +5441,7 @@ static int hpsa_send_test_unit_ready(struct ctlr_info *h, /* Send the Test Unit Ready, fill_cmd can't fail, no mapping */ (void) fill_cmd(c, TEST_UNIT_READY, h, NULL, 0, 0, lunaddr, TYPE_CMD); - rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); + rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT); if (rc) return rc; /* no unmap needed here because no data xfer. */ @@ -5663,7 +5665,7 @@ static int hpsa_send_abort(struct ctlr_info *h, unsigned char *scsi3addr, 0, 0, scsi3addr, TYPE_MSG); if (h->needs_abort_tags_swizzled) swizzle_abort_tag(&c->Request.CDB[4]); - (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); + (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT); hpsa_get_tag(h, abort, &taglower, &tagupper); dev_dbg(&h->pdev->dev, "%s: Tag:0x%08x:%08x: do_simple_cmd(abort) completed.\n", __func__, tagupper, taglower); @@ -5828,7 +5830,7 @@ static int hpsa_send_abort_ioaccel2(struct ctlr_info *h, c = cmd_alloc(h); setup_ioaccel2_abort_cmd(c, h, abort, reply_queue); c2 = &h->ioaccel2_cmd_pool[c->cmdindex]; - (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); + (void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT); hpsa_get_tag(h, abort, &taglower, &tagupper); dev_dbg(&h->pdev->dev, "%s: Tag:0x%08x:%08x: do_simple_cmd(ioaccel2 abort) completed.\n", @@ -6373,7 +6375,8 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp) c->SG[0].Len = cpu_to_le32(iocommand.buf_size); c->SG[0].Ext = cpu_to_le32(HPSA_SG_LAST); /* not chaining */ } - rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT); + rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, + DEFAULT_TIMEOUT); if (iocommand.buf_size > 0) hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); check_ioctl_unit_attention(h, c); @@ -6505,7 +6508,8 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp) } c->SG[--i].Ext = cpu_to_le32(HPSA_SG_LAST); } - status = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT); + status = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, + DEFAULT_TIMEOUT); if (sg_used) hpsa_pci_unmap(h->pdev, c, sg_used, PCI_DMA_BIDIRECTIONAL); check_ioctl_unit_attention(h, c); @@ -8728,7 +8732,7 @@ static void hpsa_flush_cache(struct ctlr_info *h) goto out; } rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_TODEVICE, NO_TIMEOUT); + PCI_DMA_TODEVICE, DEFAULT_TIMEOUT); if (rc) goto out; if (c->err_info->CommandStatus != 0) @@ -8767,7 +8771,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h) goto errout; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if ((rc != 0) || (c->err_info->CommandStatus != 0)) goto errout; @@ -8779,7 +8783,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h) goto errout; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_TODEVICE, NO_TIMEOUT); + PCI_DMA_TODEVICE, DEFAULT_TIMEOUT); if ((rc != 0) || (c->err_info->CommandStatus != 0)) goto errout; @@ -8789,7 +8793,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h) goto errout; rc = hpsa_scsi_do_simple_cmd_with_retry(h, c, - PCI_DMA_FROMDEVICE, NO_TIMEOUT); + PCI_DMA_FROMDEVICE, DEFAULT_TIMEOUT); if ((rc != 0) || (c->err_info->CommandStatus != 0)) goto errout; -- 2.20.1