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author | Finn Thain <fthain@telegraphics.com.au> | 2016-01-03 06:05:55 +0100 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-01-07 03:43:06 +0100 |
commit | 0d3d9a423cd9a4007908a7ec36bf1261e4e5b773 (patch) | |
tree | dd62c42a19f768b2eb98b942f9e0b5fe8c811cb1 /drivers/scsi/atari_NCR5380.c | |
parent | ncr5380: Use shost_priv helper (diff) | |
download | linux-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.c | 43 |
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); |