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path: root/drivers/scsi/qla2xxx/qla_isr.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c144
1 files changed, 72 insertions, 72 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index b20a7169aac2..804987397b77 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -313,10 +313,11 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
char *link_speed;
uint16_t handle_cnt;
- uint16_t cnt;
+ uint16_t cnt, mbx;
uint32_t handles[5];
struct qla_hw_data *ha = vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
uint32_t rscn_entry, host_pid;
uint8_t rscn_queue_index;
unsigned long flags;
@@ -395,9 +396,10 @@ skip_rio:
break;
case MBA_SYSTEM_ERR: /* System Error */
+ mbx = IS_QLA81XX(ha) ? RD_REG_WORD(&reg24->mailbox7) : 0;
qla_printk(KERN_INFO, ha,
- "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
- mb[1], mb[2], mb[3]);
+ "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
+ "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
ha->isp_ops->fw_dump(vha, 1);
@@ -419,9 +421,10 @@ skip_rio:
break;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
- DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n",
- vha->host_no));
- qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
+ DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n",
+ vha->host_no, mb[1]));
+ qla_printk(KERN_WARNING, ha,
+ "ISP Request Transfer Error (%x).\n", mb[1]);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
@@ -485,10 +488,13 @@ skip_rio:
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
+ mbx = IS_QLA81XX(ha) ? RD_REG_WORD(&reg24->mailbox4) : 0;
DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
- "(%x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3]));
- qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n",
- mb[1], mb[2], mb[3]);
+ "(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3],
+ mbx));
+ qla_printk(KERN_INFO, ha,
+ "LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3],
+ mbx);
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
@@ -1347,16 +1353,22 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
sense_len = rsp_info_len = resid_len = fw_resid_len = 0;
if (IS_FWI2_CAPABLE(ha)) {
- sense_len = le32_to_cpu(sts24->sense_len);
- rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
- resid_len = le32_to_cpu(sts24->rsp_residual_count);
- fw_resid_len = le32_to_cpu(sts24->residual_len);
+ if (scsi_status & SS_SENSE_LEN_VALID)
+ sense_len = le32_to_cpu(sts24->sense_len);
+ if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
+ rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
+ if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
+ resid_len = le32_to_cpu(sts24->rsp_residual_count);
+ if (comp_status == CS_DATA_UNDERRUN)
+ fw_resid_len = le32_to_cpu(sts24->residual_len);
rsp_info = sts24->data;
sense_data = sts24->data;
host_to_fcp_swap(sts24->data, sizeof(sts24->data));
} else {
- sense_len = le16_to_cpu(sts->req_sense_length);
- rsp_info_len = le16_to_cpu(sts->rsp_info_len);
+ if (scsi_status & SS_SENSE_LEN_VALID)
+ sense_len = le16_to_cpu(sts->req_sense_length);
+ if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
+ rsp_info_len = le16_to_cpu(sts->rsp_info_len);
resid_len = le32_to_cpu(sts->residual_length);
rsp_info = sts->rsp_info;
sense_data = sts->req_sense_data;
@@ -1443,38 +1455,62 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
break;
case CS_DATA_UNDERRUN:
- resid = resid_len;
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x. "
+ "resid=0x%x fw_resid=0x%x cdb=0x%x os_underflow=0x%x\n",
+ vha->host_no, cp->device->id, cp->device->lun, comp_status,
+ scsi_status, resid_len, fw_resid_len, cp->cmnd[0],
+ cp->underflow));
+
/* Use F/W calculated residual length. */
- if (IS_FWI2_CAPABLE(ha)) {
- if (!(scsi_status & SS_RESIDUAL_UNDER)) {
- lscsi_status = 0;
- } else if (resid != fw_resid_len) {
- scsi_status &= ~SS_RESIDUAL_UNDER;
- lscsi_status = 0;
+ resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
+ scsi_set_resid(cp, resid);
+ if (scsi_status & SS_RESIDUAL_UNDER) {
+ if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
+ DEBUG2(printk(
+ "scsi(%ld:%d:%d:%d) Dropped frame(s) "
+ "detected (%x of %x bytes)...residual "
+ "length mismatch...retrying command.\n",
+ vha->host_no, cp->device->channel,
+ cp->device->id, cp->device->lun, resid,
+ scsi_bufflen(cp)));
+
+ cp->result = DID_ERROR << 16 | lscsi_status;
+ break;
}
- resid = fw_resid_len;
- }
- if (scsi_status & SS_RESIDUAL_UNDER) {
- scsi_set_resid(cp, resid);
- } else {
- DEBUG2(printk(KERN_INFO
- "scsi(%ld:%d:%d) UNDERRUN status detected "
- "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x "
- "os_underflow=0x%x\n", vha->host_no,
- cp->device->id, cp->device->lun, comp_status,
- scsi_status, resid_len, resid, cp->cmnd[0],
- cp->underflow));
+ if (!lscsi_status &&
+ ((unsigned)(scsi_bufflen(cp) - 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", vha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid, scsi_bufflen(cp));
+
+ cp->result = DID_ERROR << 16;
+ break;
+ }
+ } else if (!lscsi_status) {
+ DEBUG2(printk(
+ "scsi(%ld:%d:%d:%d) Dropped frame(s) detected "
+ "(%x of %x bytes)...firmware reported underrun..."
+ "retrying command.\n", vha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid, scsi_bufflen(cp)));
+ cp->result = DID_ERROR << 16;
+ break;
}
+ cp->result = DID_OK << 16 | lscsi_status;
+
/*
* Check to see if SCSI Status is non zero. If so report SCSI
* Status.
*/
if (lscsi_status != 0) {
- cp->result = DID_OK << 16 | lscsi_status;
-
if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
DEBUG2(printk(KERN_INFO
"scsi(%ld): QUEUE FULL status detected "
@@ -1501,42 +1537,6 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
break;
qla2x00_handle_sense(sp, sense_data, sense_len, rsp);
- } else {
- /*
- * If RISC reports underrun and target does not report
- * it then we must have a lost frame, so tell upper
- * layer to retry it by reporting an error.
- */
- if (!(scsi_status & SS_RESIDUAL_UNDER)) {
- DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
- "frame(s) detected (%x of %x bytes)..."
- "retrying command.\n",
- vha->host_no, cp->device->channel,
- cp->device->id, cp->device->lun, resid,
- scsi_bufflen(cp)));
-
- scsi_set_resid(cp, resid);
- cp->result = DID_ERROR << 16;
- break;
- }
-
- /* Handle mid-layer underflow */
- if ((unsigned)(scsi_bufflen(cp) - 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", vha->host_no,
- cp->device->channel, cp->device->id,
- cp->device->lun, resid,
- scsi_bufflen(cp));
-
- cp->result = DID_ERROR << 16;
- break;
- }
-
- /* Everybody online, looking good... */
- cp->result = DID_OK << 16;
}
break;
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-14 04:20:20 +0100