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authorFinn Thain <fthain@telegraphics.com.au>2016-01-03 06:05:55 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2016-01-07 03:43:06 +0100
commit0d3d9a423cd9a4007908a7ec36bf1261e4e5b773 (patch)
treedd62c42a19f768b2eb98b942f9e0b5fe8c811cb1 /drivers/scsi/atari_NCR5380.c
parentncr5380: Use shost_priv helper (diff)
downloadlinux-0d3d9a423cd9a4007908a7ec36bf1261e4e5b773.tar.xz
linux-0d3d9a423cd9a4007908a7ec36bf1261e4e5b773.zip
ncr5380: Use dsprintk() for queue debugging
Print the command pointers in the log messages for debugging queue data structures. The LIST and REMOVE macros can then be removed. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/atari_NCR5380.c')
-rw-r--r--drivers/scsi/atari_NCR5380.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index fcf2a453aa3e..9f0d52b248b1 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -936,10 +936,8 @@ static void NCR5380_main(struct work_struct *work)
prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp)) {
u8 lun = tmp->device->lun;
- dprintk(NDEBUG_LISTS,
- "MAIN tmp=%p target=%d busy=%d lun=%d\n",
- tmp, scmd_id(tmp), hostdata->busy[scmd_id(tmp)],
- lun);
+ dsprintk(NDEBUG_QUEUES, instance, "main: tmp=%p target=%d busy=%d lun=%d\n",
+ tmp, scmd_id(tmp), hostdata->busy[scmd_id(tmp)], lun);
/* When we find one, remove it from the issue queue. */
if (
#ifdef SUPPORT_TAGS
@@ -956,6 +954,10 @@ static void NCR5380_main(struct work_struct *work)
hostdata->issue_queue = NEXT(tmp);
}
SET_NEXT(tmp, NULL);
+ dsprintk(NDEBUG_MAIN | NDEBUG_QUEUES,
+ instance, "main: removed %p from issue queue %p\n",
+ tmp, prev);
+
hostdata->retain_dma_intr++;
/*
@@ -964,9 +966,6 @@ static void NCR5380_main(struct work_struct *work)
* On failure, we must add the command back to the
* issue queue so we can keep trying.
*/
- dprintk(NDEBUG_MAIN, "scsi%d: main(): command for target %d "
- "lun %d removed from issue_queue\n",
- HOSTNO, tmp->device->id, lun);
/*
* REQUEST SENSE commands are issued without tagged
* queueing, even on SCSI-II devices because the
@@ -989,13 +988,14 @@ static void NCR5380_main(struct work_struct *work)
LIST(tmp, hostdata->issue_queue);
SET_NEXT(tmp, hostdata->issue_queue);
hostdata->issue_queue = tmp;
+ dsprintk(NDEBUG_MAIN | NDEBUG_QUEUES,
+ instance, "main: select() failed, %p returned to issue queue\n",
+ tmp);
#ifdef SUPPORT_TAGS
cmd_free_tag(tmp);
#endif
hostdata->retain_dma_intr--;
done = 0;
- dprintk(NDEBUG_MAIN, "scsi%d: main(): select() failed, "
- "returned to issue_queue\n", HOSTNO);
}
if (hostdata->connected)
break;
@@ -2017,8 +2017,9 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance)
case COMMAND_COMPLETE:
/* Accept message by clearing ACK */
NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
- dprintk(NDEBUG_QUEUES, "scsi%d: command for target %d, lun %llu "
- "completed\n", HOSTNO, cmd->device->id, cmd->device->lun);
+ dsprintk(NDEBUG_QUEUES, instance,
+ "COMMAND COMPLETE %p target %d lun %llu\n",
+ cmd, scmd_id(cmd), cmd->device->lun);
hostdata->connected = NULL;
#ifdef SUPPORT_TAGS
@@ -2067,13 +2068,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance)
(status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0);
- dprintk(NDEBUG_AUTOSENSE, "scsi%d: performing request sense\n", HOSTNO);
-
LIST(cmd,hostdata->issue_queue);
SET_NEXT(cmd, hostdata->issue_queue);
hostdata->issue_queue = (struct scsi_cmnd *) cmd;
- dsprintk(NDEBUG_QUEUES, instance,
- "REQUEST SENSE cmd %p added to head of issue queue\n",
+ dsprintk(NDEBUG_AUTOSENSE | NDEBUG_QUEUES,
+ instance, "REQUEST SENSE cmd %p added to head of issue queue\n",
cmd);
} else {
cmd->scsi_done(cmd);
@@ -2124,10 +2123,10 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance)
SET_NEXT(cmd, hostdata->disconnected_queue);
hostdata->connected = NULL;
hostdata->disconnected_queue = cmd;
- dprintk(NDEBUG_QUEUES, "scsi%d: command for target %d lun %llu was "
- "moved from connected to the "
- "disconnected_queue\n", HOSTNO,
- cmd->device->id, cmd->device->lun);
+ dsprintk(NDEBUG_INFORMATION | NDEBUG_QUEUES,
+ instance, "connected command %p for target %d lun %llu moved to disconnected queue\n",
+ cmd, scmd_id(cmd), cmd->device->lun);
+
/*
* Restore phase bits to 0 so an interrupted selection,
* arbitration can resume.
@@ -2427,7 +2426,11 @@ static void NCR5380_reselect(struct Scsi_Host *instance)
}
}
- if (!tmp) {
+ if (tmp) {
+ dsprintk(NDEBUG_RESELECTION | NDEBUG_QUEUES, instance,
+ "reselect: removed %p from disconnected queue\n", tmp);
+ } else {
+
#ifdef SUPPORT_TAGS
shost_printk(KERN_ERR, instance, "target bitmask 0x%02x lun %d tag %d not in disconnected queue.\n",
target_mask, lun, tag);