From 0d3d9a423cd9a4007908a7ec36bf1261e4e5b773 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Sun, 3 Jan 2016 16:05:55 +1100 Subject: 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 Reviewed-by: Hannes Reinecke Tested-by: Ondrej Zary Tested-by: Michael Schmitz Signed-off-by: Martin K. Petersen --- drivers/scsi/NCR5380.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) (limited to 'drivers/scsi/NCR5380.c') diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 3774adb3e75a..41bd2e9055f5 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -828,8 +828,9 @@ static void NCR5380_main(struct work_struct *work) */ for (tmp = (struct scsi_cmnd *) hostdata->issue_queue, prev = NULL; tmp; prev = tmp, tmp = (struct scsi_cmnd *) tmp->host_scribble) { - if (prev != tmp) - dprintk(NDEBUG_LISTS, "MAIN tmp=%p target=%d busy=%d lun=%llu\n", tmp, tmp->device->id, hostdata->busy[tmp->device->id], tmp->device->lun); + dsprintk(NDEBUG_QUEUES, instance, "main: tmp=%p target=%d busy=%d lun=%llu\n", + tmp, scmd_id(tmp), hostdata->busy[scmd_id(tmp)], + tmp->device->lun); /* When we find one, remove it from the issue queue. */ if (!(hostdata->busy[tmp->device->id] & (1 << (u8)(tmp->device->lun & 0xff)))) { @@ -841,6 +842,9 @@ static void NCR5380_main(struct work_struct *work) hostdata->issue_queue = (struct scsi_cmnd *) tmp->host_scribble; } tmp->host_scribble = NULL; + dsprintk(NDEBUG_MAIN | NDEBUG_QUEUES, + instance, "main: removed %p from issue queue %p\n", + tmp, prev); /* * Attempt to establish an I_T_L nexus here. @@ -848,8 +852,6 @@ 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|NDEBUG_QUEUES, "scsi%d : main() : command for target %d lun %llu removed from issue_queue\n", instance->host_no, tmp->device->id, tmp->device->lun); - /* * REQUEST SENSE commands are issued without tagged * queueing, even on SCSI-II devices because the @@ -864,8 +866,10 @@ static void NCR5380_main(struct work_struct *work) LIST(tmp, hostdata->issue_queue); tmp->host_scribble = (unsigned char *) hostdata->issue_queue; hostdata->issue_queue = tmp; + dsprintk(NDEBUG_MAIN | NDEBUG_QUEUES, + instance, "main: select() failed, %p returned to issue queue\n", + tmp); done = 0; - dprintk(NDEBUG_MAIN|NDEBUG_QUEUES, "scsi%d : main(): select() failed, returned to issue_queue\n", instance->host_no); } if (hostdata->connected) break; @@ -1847,8 +1851,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) { /* Accept message by clearing ACK */ sink = 1; NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE); + dsprintk(NDEBUG_QUEUES, instance, + "COMMAND COMPLETE %p target %d lun %llu\n", + cmd, scmd_id(cmd), cmd->device->lun); + hostdata->connected = NULL; - dprintk(NDEBUG_QUEUES, "scsi%d : command for target %d, lun %llu completed\n", instance->host_no, cmd->device->id, cmd->device->lun); hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xFF)); /* @@ -1881,14 +1888,12 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) { if ((cmd->cmnd[0] != REQUEST_SENSE) && (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", instance->host_no); - LIST(cmd, hostdata->issue_queue); cmd->host_scribble = (unsigned char *) 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); @@ -1925,7 +1930,10 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) { 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", instance->host_no, 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. @@ -2178,7 +2186,11 @@ static void NCR5380_reselect(struct Scsi_Host *instance) { break; } } - if (!tmp) { + + if (tmp) { + dsprintk(NDEBUG_RESELECTION | NDEBUG_QUEUES, instance, + "reselect: removed %p from disconnected queue\n", tmp); + } else { shost_printk(KERN_ERR, instance, "target bitmask 0x%02x lun %d not in disconnected queue.\n", target_mask, lun); /* -- cgit v1.2.3-59-g8ed1b