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-rw-r--r--drivers/scsi/NCR5380.h1
-rw-r--r--drivers/scsi/atari_NCR5380.c22
-rw-r--r--drivers/scsi/atari_scsi.c8
-rw-r--r--drivers/scsi/mac_scsi.c8
-rw-r--r--drivers/scsi/sun3_scsi.c12
5 files changed, 28 insertions, 23 deletions
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index 7b1a0913d94c..2fafe1d54fb8 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -242,6 +242,7 @@
#define FLAG_NO_PSEUDO_DMA 8 /* Inhibit DMA */
#define FLAG_DTC3181E 16 /* DTC3181E */
#define FLAG_LATE_DMA_SETUP 32 /* Setup NCR before DMA H/W */
+#define FLAG_TAGGED_QUEUING 64 /* as X3T9.2 spelled it */
#ifndef ASM
struct NCR5380_hostdata {
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 7bbfa1b777c3..74b7c538c394 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -283,12 +283,12 @@ typedef struct {
static TAG_ALLOC TagAlloc[8][8]; /* 8 targets and 8 LUNs */
-static void __init init_tags(void)
+static void __init init_tags(struct NCR5380_hostdata *hostdata)
{
int target, lun;
TAG_ALLOC *ta;
- if (!setup_use_tagged_queuing)
+ if (!(hostdata->flags & FLAG_TAGGED_QUEUING))
return;
for (target = 0; target < 8; ++target) {
@@ -321,7 +321,8 @@ static int is_lun_busy(struct scsi_cmnd *cmd, int should_be_tagged)
if (hostdata->busy[cmd->device->id] & (1 << lun))
return 1;
if (!should_be_tagged ||
- !setup_use_tagged_queuing || !cmd->device->tagged_supported)
+ !(hostdata->flags & FLAG_TAGGED_QUEUING) ||
+ !cmd->device->tagged_supported)
return 0;
if (TagAlloc[cmd->device->id][lun].nr_allocated >=
TagAlloc[cmd->device->id][lun].queue_size) {
@@ -347,7 +348,8 @@ static void cmd_get_tag(struct scsi_cmnd *cmd, int should_be_tagged)
* an untagged command.
*/
if (!should_be_tagged ||
- !setup_use_tagged_queuing || !cmd->device->tagged_supported) {
+ !(hostdata->flags & FLAG_TAGGED_QUEUING) ||
+ !cmd->device->tagged_supported) {
cmd->tag = TAG_NONE;
hostdata->busy[cmd->device->id] |= (1 << lun);
dprintk(NDEBUG_TAGS, "scsi%d: target %d lun %d now allocated by untagged "
@@ -392,12 +394,12 @@ static void cmd_free_tag(struct scsi_cmnd *cmd)
}
-static void free_all_tags(void)
+static void free_all_tags(struct NCR5380_hostdata *hostdata)
{
int target, lun;
TAG_ALLOC *ta;
- if (!setup_use_tagged_queuing)
+ if (!(hostdata->flags & FLAG_TAGGED_QUEUING))
return;
for (target = 0; target < 8; ++target) {
@@ -653,11 +655,13 @@ static void prepare_info(struct Scsi_Host *instance)
"base 0x%lx, irq %d, "
"can_queue %d, cmd_per_lun %d, "
"sg_tablesize %d, this_id %d, "
+ "flags { %s}, "
"options { %s} ",
instance->hostt->name, instance->io_port, instance->n_io_port,
instance->base, instance->irq,
instance->can_queue, instance->cmd_per_lun,
instance->sg_tablesize, instance->this_id,
+ hostdata->flags & FLAG_TAGGED_QUEUING ? "TAGGED_QUEUING " : "",
#ifdef DIFFERENTIAL
"DIFFERENTIAL "
#endif
@@ -799,7 +803,7 @@ static int __init NCR5380_init(struct Scsi_Host *instance, int flags)
for (i = 0; i < 8; ++i)
hostdata->busy[i] = 0;
#ifdef SUPPORT_TAGS
- init_tags();
+ init_tags(hostdata);
#endif
#if defined (REAL_DMA)
hostdata->dma_len = 0;
@@ -2565,7 +2569,7 @@ static void NCR5380_reselect(struct Scsi_Host *instance)
* SIMPLE_QUEUE_TAG for the I_T_L_Q nexus.
*/
tag = TAG_NONE;
- if (phase == PHASE_MSGIN && setup_use_tagged_queuing) {
+ if (phase == PHASE_MSGIN && (hostdata->flags & FLAG_TAGGED_QUEUING)) {
/* Accept previous IDENTIFY message by clearing ACK */
NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
len = 2;
@@ -3020,7 +3024,7 @@ static int NCR5380_bus_reset(struct scsi_cmnd *cmd)
hostdata->connected = NULL;
hostdata->disconnected_queue = NULL;
#ifdef SUPPORT_TAGS
- free_all_tags();
+ free_all_tags(hostdata);
#endif
for (i = 0; i < 8; ++i)
hostdata->busy[i] = 0;
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index f0da0c8cbb0d..b69010604699 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -890,10 +890,6 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
}
}
-#ifdef SUPPORT_TAGS
- if (setup_use_tagged_queuing < 0)
- setup_use_tagged_queuing = 0;
-#endif
#ifdef REAL_DMA
/* If running on a Falcon and if there's TT-Ram (i.e., more than one
@@ -929,6 +925,10 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
host_flags |= IS_A_TT() ? 0 : FLAG_LATE_DMA_SETUP;
+#ifdef SUPPORT_TAGS
+ host_flags |= setup_use_tagged_queuing > 0 ? FLAG_TAGGED_QUEUING : 0;
+#endif
+
NCR5380_init(instance, host_flags);
if (IS_A_TT()) {
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index 030f3b0bb53b..953fd9b953c7 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -411,10 +411,6 @@ static int __init mac_scsi_probe(struct platform_device *pdev)
mac_scsi_template.sg_tablesize = setup_sg_tablesize;
if (setup_hostid >= 0)
mac_scsi_template.this_id = setup_hostid & 7;
-#ifdef SUPPORT_TAGS
- if (setup_use_tagged_queuing < 0)
- setup_use_tagged_queuing = 0;
-#endif
if (setup_use_pdma < 0)
setup_use_pdma = 0;
@@ -440,6 +436,10 @@ static int __init mac_scsi_probe(struct platform_device *pdev)
mac_scsi_reset_boot(instance);
#endif
+#ifdef SUPPORT_TAGS
+ host_flags |= setup_use_tagged_queuing > 0 ? FLAG_TAGGED_QUEUING : 0;
+#endif
+
NCR5380_init(instance, host_flags);
if (instance->irq != NO_IRQ) {
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index 985a6b36756e..a98c7325f2dd 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -522,6 +522,7 @@ static int __init sun3_scsi_probe(struct platform_device *pdev)
int error;
struct resource *irq, *mem;
unsigned char *ioaddr;
+ int host_flags = 0;
#ifdef SUN3_SCSI_VME
int i;
#endif
@@ -535,11 +536,6 @@ static int __init sun3_scsi_probe(struct platform_device *pdev)
if (setup_hostid >= 0)
sun3_scsi_template.this_id = setup_hostid & 7;
-#ifdef SUPPORT_TAGS
- if (setup_use_tagged_queuing < 0)
- setup_use_tagged_queuing = 1;
-#endif
-
#ifdef SUN3_SCSI_VME
ioaddr = NULL;
for (i = 0; i < 2; i++) {
@@ -601,7 +597,11 @@ static int __init sun3_scsi_probe(struct platform_device *pdev)
instance->io_port = (unsigned long)ioaddr;
instance->irq = irq->start;
- NCR5380_init(instance, 0);
+#ifdef SUPPORT_TAGS
+ host_flags |= setup_use_tagged_queuing > 0 ? FLAG_TAGGED_QUEUING : 0;
+#endif
+
+ NCR5380_init(instance, host_flags);
error = request_irq(instance->irq, scsi_sun3_intr, 0,
"NCR5380", instance);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-17 02:18:57 +0300