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authorscameron@beardog.cca.cpqcorp.net <scameron@beardog.cca.cpqcorp.net>2009-06-08 16:07:45 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-06-09 05:47:43 +0200
commit85cc61ae41084cb6d8ecc6c9e01ac4563005c8ac (patch)
tree46cdea00cdac692292f5997fdce2c8b4cac983f9 /drivers
parent789a424ad1352b335960e7c56494d0410577fa61 (diff)
cciss: change SCSI error handling routines to work with interrupts enabled.
Change cciss scsi error handling routines to work with interrupts enabled. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/cciss.c3
-rw-r--r--drivers/block/cciss_scsi.c24
2 files changed, 12 insertions, 15 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 70017071106..9a9db6deefc 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -184,6 +184,9 @@ static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size,
static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
__u8 page_code, unsigned char scsi3addr[],
int cmd_type);
+static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c,
+ int attempt_retry);
+static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c);
static void fail_all_cmds(unsigned long ctlr);
static int scan_thread(void *data);
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 007ab8aea85..d2eb4897741 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -49,8 +49,6 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
__u8 page_code, unsigned char *scsi3addr,
int cmd_type);
-static int sendcmd_core(ctlr_info_t *h, CommandList_struct *c);
-
static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool);
static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool);
@@ -1601,11 +1599,10 @@ static int wait_for_device_to_become_ready(ctlr_info_t *h,
/* Send the Test Unit Ready */
rc = fill_cmd(c, TEST_UNIT_READY, h->ctlr, NULL, 0, 0,
lunaddr, TYPE_CMD);
- if (rc == 0) {
- rc = sendcmd_core(h, c);
- /* sendcmd turned off interrupts, turn 'em back on. */
- h->access.set_intr_mask(h, CCISS_INTR_ON);
- }
+ if (rc == 0)
+ rc = sendcmd_withirq_core(h, c, 0);
+
+ (void) process_sendcmd_error(h, c);
if (rc == 0 && c->err_info->CommandStatus == CMD_SUCCESS)
break;
@@ -1663,10 +1660,8 @@ static int cciss_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
return FAILED;
memcpy(lunaddr, &cmd_in_trouble->Header.LUN.LunAddrBytes[0], 8);
/* send a reset to the SCSI LUN which the command was sent to */
- rc = sendcmd(CCISS_RESET_MSG, ctlr, NULL, 0, 0, lunaddr,
+ rc = sendcmd_withirq(CCISS_RESET_MSG, ctlr, NULL, 0, 0, lunaddr,
TYPE_MSG);
- /* sendcmd turned off interrupts on the board, turn 'em back on. */
- (*c)->access.set_intr_mask(*c, CCISS_INTR_ON);
if (rc == 0 && wait_for_device_to_become_ready(*c, lunaddr) == 0)
return SUCCESS;
printk(KERN_WARNING "cciss%d: resetting device failed.\n", ctlr);
@@ -1677,6 +1672,7 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
{
int rc;
CommandList_struct *cmd_to_abort;
+ unsigned char lunaddr[8];
ctlr_info_t **c;
int ctlr;
@@ -1691,11 +1687,9 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
cmd_to_abort = (CommandList_struct *) scsicmd->host_scribble;
if (cmd_to_abort == NULL) /* paranoia */
return FAILED;
- rc = sendcmd(CCISS_ABORT_MSG, ctlr, &cmd_to_abort->Header.Tag, 0, 0,
- (unsigned char *) &cmd_to_abort->Header.LUN.LunAddrBytes[0],
- TYPE_MSG);
- /* sendcmd turned off interrupts on the board, turn 'em back on. */
- (*c)->access.set_intr_mask(*c, CCISS_INTR_ON);
+ memcpy(lunaddr, &cmd_to_abort->Header.LUN.LunAddrBytes[0], 8);
+ rc = sendcmd_withirq(CCISS_ABORT_MSG, ctlr, &cmd_to_abort->Header.Tag,
+ 0, 0, lunaddr, TYPE_MSG);
if (rc == 0)
return SUCCESS;
return FAILED;