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scsi: qla2xxx: Add appropriate debug info for invalid RX_ID 

When driver detect CTIO_INVALID_RX_ID status for CTIO, print message with
correct information to help with debugging.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2018-09-04 14:19:11 -07:00 committed by Martin K. Petersen
parent 1073daa470
commit 079a3a3b9d
2 changed files with 12 additions and 1 deletions
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12
drivers/scsi/qla2xxx/qla_target.c
View File

@ -3291,6 +3291,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
cmd->state = QLA_TGT_STATE_PROCESSED; /* Mid-level is done processing */
cmd->cmd_sent_to_fw = 1;
cmd->ctio_flags = le16_to_cpu(pkt->u.status0.flags);
/* Memory Barrier */
wmb();
@ -3369,6 +3370,7 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
cmd->state = QLA_TGT_STATE_NEED_DATA;
cmd->cmd_sent_to_fw = 1;
cmd->ctio_flags = le16_to_cpu(pkt->u.status0.flags);
/* Memory Barrier */
wmb();
@ -3942,12 +3944,20 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha,
if (unlikely(status != CTIO_SUCCESS)) {
switch (status & 0xFFFF) {
case CTIO_INVALID_RX_ID:
if (printk_ratelimit())
dev_info(&vha->hw->pdev->dev,
"qla_target(%d): CTIO with INVALID_RX_ID ATIO attr %x CTIO Flags %x|%x\n",
vha->vp_idx, cmd->atio.u.isp24.attr,
((cmd->ctio_flags >> 9) & 0xf),
cmd->ctio_flags);
break;
case CTIO_LIP_RESET:
case CTIO_TARGET_RESET:
case CTIO_ABORTED:
/* driver request abort via Terminate exchange */
case CTIO_TIMEOUT:
case CTIO_INVALID_RX_ID:
/* They are OK */
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf058,
"qla_target(%d): CTIO with "

1
drivers/scsi/qla2xxx/qla_target.h
View File

@ -908,6 +908,7 @@ struct qla_tgt_cmd {
u64 unpacked_lun;
enum dma_data_direction dma_data_direction;
uint16_t ctio_flags;
uint16_t vp_idx;
uint16_t loop_id; /* to save extra sess dereferences */
struct qla_tgt *tgt; /* to save extra sess dereferences */