diff options
| author | Scott Teel <scott.teel@pmcs.com> | 2015-11-05 00:51:02 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-09 20:34:20 +0300 |
| commit | 0b9b7b6eecad03e0ba4290af7145e2c5d1f8ff13 (patch) | |
| tree | 76eb99a187ae353e4bb656b79552cf0750c5ae7a | |
| parent | da03ded045b6249261e6c82d942e6d0298dabc9b (diff) | |
| download | linux-0b9b7b6eecad03e0ba4290af7145e2c5d1f8ff13.tar.xz | |
hpsa: fix physical target reset
Set reset type in device_reset_handler to do either
logical unit reset for logical devices, or physical
target reset, for physical devices.
Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Justin Lindley <justin.lindley@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/hpsa.c | 34 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 1 |
2 files changed, 29 insertions, 6 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 382cb5d428c7..1607b6d01852 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2737,9 +2737,8 @@ 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, HPSA_DEVICE_RESET_MSG, h, NULL, 0, 0, + (void) fill_cmd(c, reset_type, h, NULL, 0, 0, scsi3addr, TYPE_MSG); - c->Request.CDB[1] = reset_type; /* fill_cmd defaults to LUN reset */ rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); if (rc) { dev_warn(&h->pdev->dev, "Failed to send reset command\n"); @@ -5207,6 +5206,7 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd) int rc; struct ctlr_info *h; struct hpsa_scsi_dev_t *dev; + u8 reset_type; char msg[48]; /* find the controller to which the command to be aborted was sent */ @@ -5245,15 +5245,23 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd) if (is_hba_lunid(dev->scsi3addr)) return SUCCESS; - hpsa_show_dev_msg(KERN_WARNING, h, dev, "resetting"); + if (is_logical_dev_addr_mode(dev->scsi3addr)) + reset_type = HPSA_DEVICE_RESET_MSG; + else + reset_type = HPSA_PHYS_TARGET_RESET; + + sprintf(msg, "resetting %s", + reset_type == HPSA_DEVICE_RESET_MSG ? "logical " : "physical "); + hpsa_show_dev_msg(KERN_WARNING, h, dev, msg); h->reset_in_progress = 1; /* send a reset to the SCSI LUN which the command was sent to */ - rc = hpsa_do_reset(h, dev, dev->scsi3addr, HPSA_RESET_TYPE_LUN, + rc = hpsa_do_reset(h, dev, dev->scsi3addr, reset_type, DEFAULT_REPLY_QUEUE); - snprintf(msg, sizeof(msg), "reset %s", - rc == 0 ? "completed successfully" : "failed"); + sprintf(msg, "reset %s %s", + reset_type == HPSA_DEVICE_RESET_MSG ? "logical " : "physical ", + rc == 0 ? "completed successfully" : "failed"); hpsa_show_dev_msg(KERN_WARNING, h, dev, msg); h->reset_in_progress = 0; return rc == 0 ? SUCCESS : FAILED; @@ -6370,6 +6378,20 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h, } else if (cmd_type == TYPE_MSG) { switch (cmd) { + case HPSA_PHYS_TARGET_RESET: + c->Request.CDBLen = 16; + c->Request.type_attr_dir = + TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_NONE); + c->Request.Timeout = 0; /* Don't time out */ + memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB)); + c->Request.CDB[0] = HPSA_RESET; + c->Request.CDB[1] = HPSA_TARGET_RESET_TYPE; + /* Physical target reset needs no control bytes 4-7*/ + c->Request.CDB[4] = 0x00; + c->Request.CDB[5] = 0x00; + c->Request.CDB[6] = 0x00; + c->Request.CDB[7] = 0x00; + break; case HPSA_DEVICE_RESET_MSG: c->Request.CDBLen = 16; c->Request.type_attr_dir = diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index dc113c1a8b37..04f98ebe24e9 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -285,6 +285,7 @@ struct offline_device_entry { #define HPSA_RESET_TYPE_BUS 0x01 #define HPSA_RESET_TYPE_TARGET 0x03 #define HPSA_RESET_TYPE_LUN 0x04 +#define HPSA_PHYS_TARGET_RESET 0x99 /* not defined by cciss spec */ #define HPSA_MSG_SEND_RETRY_LIMIT 10 #define HPSA_MSG_SEND_RETRY_INTERVAL_MSECS (10000) |