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authorJames Bottomley <jejb@titanic.(none)>2005-12-15 17:35:24 -0600
committerJames Bottomley <jejb@titanic.(none)>2005-12-15 17:35:24 -0600
commit2a1e1379bae53f647c463a677cc2ec71b591c348 (patch)
treea152beb5e8679e94430c5b47bf798dd8a2d4fd5d /drivers/scsi/qla2xxx
parent787926b1b2d21d42ca462dc736b77f1a4a30c503 (diff)
parent7b6666530e2736f190a2629c8abe34275054449f (diff)
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Merge by hand (conflicts in scsi_lib.c)
This merge is pretty extensive. The conflict is over the new req->retries parameter, so I had to change the prototype to scsi_setup_blk_pc_cmnd() and the usage in sd, sr and st. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h10
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c15
3 files changed, 19 insertions, 12 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index ce0d88bbaa0..79d8a914f9d 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2498,17 +2498,9 @@ typedef struct scsi_qla_host {
*/
#define LOOP_TRANSITION(ha) \
(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
- test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
-
-#define LOOP_NOT_READY(ha) \
- ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
- test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || \
- test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
- test_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) || \
+ test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
atomic_read(&ha->loop_state) == LOOP_DOWN)
-#define LOOP_RDY(ha) (!LOOP_NOT_READY(ha))
-
#define TGT_Q(ha, t) (ha->otgt[t])
#define to_qla_host(x) ((scsi_qla_host_t *) (x)->hostdata)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index dadc91bd0ea..7d973bd9022 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1258,7 +1258,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
rval = qla2x00_get_adapter_id(ha,
&loop_id, &al_pa, &area, &domain, &topo);
if (rval != QLA_SUCCESS) {
- if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) ||
+ if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
(rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
__func__, ha->host_no));
@@ -1795,7 +1795,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
}
if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
- if (LOOP_NOT_READY(ha)) {
+ if (LOOP_TRANSITION(ha)) {
rval = QLA_FUNCTION_FAILED;
} else {
rval = qla2x00_configure_fabric(ha);
@@ -2368,7 +2368,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
if (qla2x00_is_reserved_id(ha, loop_id))
continue;
- if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha))
+ if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
break;
if (swl != NULL) {
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 09afc0f06bd..5181d966fec 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
resid = resid_len;
cp->resid = resid;
CMD_RESID_LEN(cp) = resid;
+
+ if (!lscsi_status &&
+ ((unsigned)(cp->request_bufflen - resid) <
+ cp->underflow)) {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+ "detected (%x of %x bytes)...returning "
+ "error status.\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid,
+ cp->request_bufflen);
+
+ cp->result = DID_ERROR << 16;
+ break;
+ }
}
cp->result = DID_OK << 16 | lscsi_status;