* You can tell if you have a device that supports tagged queueing my
* cating (eg) /proc/scsi/acornscsi/0 and see if the SCSI revision is reported
* as '2 TAG'.
- *
- * Also note that CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE is normally set in the config
- * scripts, but disabled here. Once debugged, remove the #undef, otherwise to debug,
- * comment out the undef.
*/
-#undef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
+
/*
* SCSI-II Synchronous transfer support.
*
unsigned int result);
static int acornscsi_reconnect_finish(AS_Host *host);
static void acornscsi_dma_cleanup(AS_Host *host);
-static void acornscsi_abortcmd(AS_Host *host, unsigned char tag);
+static void acornscsi_abortcmd(AS_Host *host);
/* ====================================================================================
* Miscellaneous
#endif
if (from_queue) {
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- /*
- * tagged queueing - allocate a new tag to this command
- */
- if (SCpnt->device->simple_tags) {
- SCpnt->device->current_tag += 1;
- if (SCpnt->device->current_tag == 0)
- SCpnt->device->current_tag = 1;
- SCpnt->tag = SCpnt->device->current_tag;
- } else
-#endif
set_bit(SCpnt->device->id * 8 +
(u8)(SCpnt->device->lun & 0x07), host->busyluns);
* the device recognises the attention.
*/
if (dmac_read(host, DMAC_STATUS) & STATUS_RQ0) {
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
dmac_write(host, DMAC_TXCNTLO, 0);
dmac_write(host, DMAC_TXCNTHI, 0);
acornscsi_sbic_issuecmd(host, CMND_ASSERTATN);
switch (host->scsi.last_message) {
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- case HEAD_OF_QUEUE_TAG:
- case ORDERED_QUEUE_TAG:
- case SIMPLE_QUEUE_TAG:
- /*
- * ANSI standard says: (Section SCSI-2 Rev. 10c Sect 5.6.17)
- * If a target does not implement tagged queuing and a queue tag
- * message is received, it shall respond with a MESSAGE REJECT
- * message and accept the I/O process as if it were untagged.
- */
- printk(KERN_NOTICE "scsi%d.%c: disabling tagged queueing\n",
- host->host->host_no, acornscsi_target(host));
- host->SCpnt->device->simple_tags = 0;
- set_bit(host->SCpnt->device->id * 8 +
- (u8)(host->SCpnt->device->lun & 0x7), host->busyluns);
- break;
-#endif
case EXTENDED_MESSAGE | (EXTENDED_SDTR << 8):
/*
* Target can't handle synchronous transfers
#if 0
/* does the device need the current command aborted */
if (cmd_aborted) {
- acornscsi_abortcmd(host->SCpnt->tag);
+ acornscsi_abortcmd(host);
return;
}
#endif
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- if (host->SCpnt->tag) {
- unsigned int tag_type;
-
- if (host->SCpnt->cmnd[0] == REQUEST_SENSE ||
- host->SCpnt->cmnd[0] == TEST_UNIT_READY ||
- host->SCpnt->cmnd[0] == INQUIRY)
- tag_type = HEAD_OF_QUEUE_TAG;
- else
- tag_type = SIMPLE_QUEUE_TAG;
- msgqueue_addmsg(&host->scsi.msgs, 2, tag_type, host->SCpnt->tag);
- }
-#endif
#ifdef CONFIG_SCSI_ACORNSCSI_SYNC
if (host->device[host->SCpnt->device->id].sync_state == SYNC_NEGOCIATE) {
"to reconnect with\n",
host->host->host_no, '0' + target);
acornscsi_dumplog(host, target);
- acornscsi_abortcmd(host, 0);
+ acornscsi_abortcmd(host);
if (host->SCpnt) {
queue_add_cmd_tail(&host->queues.disconnected, host->SCpnt);
host->SCpnt = NULL;
host->scsi.disconnectable = 0;
if (host->SCpnt->device->id == host->scsi.reconnected.target &&
host->SCpnt->device->lun == host->scsi.reconnected.lun &&
- host->SCpnt->tag == host->scsi.reconnected.tag) {
+ scsi_cmd_to_tag(host->SCpnt) == host->scsi.reconnected.tag) {
#if (DEBUG & (DEBUG_QUEUES|DEBUG_DISCON))
DBG(host->SCpnt, printk("scsi%d.%c: reconnected",
host->host->host_no, acornscsi_target(host)));
}
if (!host->SCpnt)
- acornscsi_abortcmd(host, host->scsi.reconnected.tag);
+ acornscsi_abortcmd(host);
else {
/*
* Restore data pointer from SAVED pointers.
* Function: void acornscsi_abortcmd(AS_host *host, unsigned char tag)
* Purpose : abort a currently executing command
* Params : host - host with connected command to abort
- * tag - tag to abort
*/
static
-void acornscsi_abortcmd(AS_Host *host, unsigned char tag)
+void acornscsi_abortcmd(AS_Host *host)
{
host->scsi.phase = PHASE_ABORTED;
sbic_arm_write(host, SBIC_CMND, CMND_ASSERTATN);
msgqueue_flush(&host->scsi.msgs);
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- if (tag)
- msgqueue_addmsg(&host->scsi.msgs, 2, ABORT_TAG, tag);
- else
-#endif
- msgqueue_addmsg(&host->scsi.msgs, 1, ABORT);
+ msgqueue_addmsg(&host->scsi.msgs, 1, ABORT);
}
/* ==========================================================================================
printk(KERN_ERR "scsi%d.%c: PHASE_CONNECTING, SSR %02X?\n",
host->host->host_no, acornscsi_target(host), ssr);
acornscsi_dumplog(host, host->SCpnt ? host->SCpnt->device->id : 8);
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
}
return INTR_PROCESSING;
printk(KERN_ERR "scsi%d.%c: PHASE_CONNECTED, SSR %02X?\n",
host->host->host_no, acornscsi_target(host), ssr);
acornscsi_dumplog(host, host->SCpnt ? host->SCpnt->device->id : 8);
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
}
return INTR_PROCESSING;
case 0x18: /* -> PHASE_DATAOUT */
/* COMMAND -> DATA OUT */
if (host->scsi.SCp.sent_command != host->SCpnt->cmd_len)
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
acornscsi_dma_setup(host, DMA_OUT);
if (!acornscsi_starttransfer(host))
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
host->scsi.phase = PHASE_DATAOUT;
return INTR_IDLE;
case 0x19: /* -> PHASE_DATAIN */
/* COMMAND -> DATA IN */
if (host->scsi.SCp.sent_command != host->SCpnt->cmd_len)
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
acornscsi_dma_setup(host, DMA_IN);
if (!acornscsi_starttransfer(host))
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
host->scsi.phase = PHASE_DATAIN;
return INTR_IDLE;
/* MESSAGE IN -> DATA OUT */
acornscsi_dma_setup(host, DMA_OUT);
if (!acornscsi_starttransfer(host))
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
host->scsi.phase = PHASE_DATAOUT;
return INTR_IDLE;
/* MESSAGE IN -> DATA IN */
acornscsi_dma_setup(host, DMA_IN);
if (!acornscsi_starttransfer(host))
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
host->scsi.phase = PHASE_DATAIN;
return INTR_IDLE;
switch (ssr) {
case 0x19: /* -> PHASE_DATAIN */
case 0x89: /* -> PHASE_DATAIN */
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
return INTR_IDLE;
case 0x1b: /* -> PHASE_STATUSIN */
switch (ssr) {
case 0x18: /* -> PHASE_DATAOUT */
case 0x88: /* -> PHASE_DATAOUT */
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
return INTR_IDLE;
case 0x1b: /* -> PHASE_STATUSIN */
SCpnt->scsi_done = done;
SCpnt->host_scribble = NULL;
SCpnt->result = 0;
- SCpnt->tag = 0;
SCpnt->SCp.phase = (int)acornscsi_datadirection(SCpnt->cmnd[0]);
SCpnt->SCp.sent_command = 0;
SCpnt->SCp.scsi_xferred = 0;
break;
default:
- acornscsi_abortcmd(host, host->SCpnt->tag);
+ acornscsi_abortcmd(host);
res = res_snooze;
}
local_irq_restore(flags);
#ifdef CONFIG_SCSI_ACORNSCSI_SYNC
" SYNC"
#endif
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- " TAG"
-#endif
#if (DEBUG & DEBUG_NO_WRITE)
" NOWRITE (" __stringify(NO_WRITE) ")"
#endif
#ifdef CONFIG_SCSI_ACORNSCSI_SYNC
" SYNC"
#endif
-#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE
- " TAG"
-#endif
#if (DEBUG & DEBUG_NO_WRITE)
" NOWRITE (" __stringify(NO_WRITE) ")"
#endif
seq_printf(m, "Device/Lun TaggedQ Sync\n");
seq_printf(m, " %d/%llu ", scd->id, scd->lun);
if (scd->tagged_supported)
- seq_printf(m, "%3sabled(%3d) ",
- scd->simple_tags ? "en" : "dis",
- scd->current_tag);
+ seq_printf(m, "%3sabled ",
+ scd->simple_tags ? "en" : "dis");
else
seq_printf(m, "unsupported ");