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authorScott Teel <scott.teel@hp.com>2014-02-18 20:56:39 +0100
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 18:19:06 +0100
commitbf711ac654539182bf6935cd019d7bac17b7ca95 (patch)
tree848089e45fa37a949e14396db497ee587c8148b1
parent[SCSI] hpsa: get ioaccel mode 2 i/o working (diff)
downloadlinux-bf711ac654539182bf6935cd019d7bac17b7ca95.tar.xz
linux-bf711ac654539182bf6935cd019d7bac17b7ca95.zip
[SCSI] hpsa: teach hpsa_device_reset to do either target or lun reset
Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/hpsa.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 7638317ea18a..563cf2f588d2 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -1858,7 +1858,8 @@ out:
return rc;
}
-static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr)
+static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
+ u8 reset_type)
{
int rc = IO_OK;
struct CommandList *c;
@@ -1872,8 +1873,9 @@ 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, scsi3addr, TYPE_MSG);
+ (void) fill_cmd(c, HPSA_DEVICE_RESET_MSG, h, NULL, 0, 0,
+ scsi3addr, TYPE_MSG);
+ c->Request.CDB[1] = reset_type; /* fill_cmd defaults to LUN reset */
hpsa_scsi_do_simple_cmd_core(h, c);
/* no unmap needed here because no data xfer. */
@@ -3390,7 +3392,7 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
dev_warn(&h->pdev->dev, "resetting device %d:%d:%d:%d\n",
h->scsi_host->host_no, dev->bus, dev->target, dev->lun);
/* send a reset to the SCSI LUN which the command was sent to */
- rc = hpsa_send_reset(h, dev->scsi3addr);
+ rc = hpsa_send_reset(h, dev->scsi3addr, HPSA_RESET_TYPE_LUN);
if (rc == 0 && wait_for_device_to_become_ready(h, dev->scsi3addr) == 0)
return SUCCESS;