Use the new flag TARGET_SCF_IGNORE_TMR_LUN instead of
letting the qla2xxx target driver look up the LUN of the command
that has to be aborted.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Cc: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Cc: Quinn Tran <quinn.tran@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_target.c | 66 +++++++++++++-------------------------
drivers/scsi/qla2xxx/qla_target.h | 2 +-
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 8 +++--
3 files changed, 30 insertions(+), 46 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 3ffa99a4daff..e8c7d0fc547b 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1811,39 +1811,8 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
struct abts_recv_from_24xx *abts, struct fc_port *sess)
{
struct qla_hw_data *ha = vha->hw;
- struct se_session *se_sess = sess->se_sess;
struct qla_tgt_mgmt_cmd *mcmd;
- struct se_cmd *se_cmd;
- u32 lun = 0;
int rc;
- bool found_lun = false;
- unsigned long flags;
-
- spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
- list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
- struct qla_tgt_cmd *cmd =
- container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
- if (se_cmd->tag == abts->exchange_addr_to_abort) {
- lun = cmd->unpacked_lun;
- found_lun = true;
- break;
- }
- }
- spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
-
- /* cmd not in LIO lists, look in qla list */
- if (!found_lun) {
- if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) {
- /* send TASK_ABORT response immediately */
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false);
- return 0;
- } else {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081,
- "unable to find cmd in driver or LIO for tag 0x%x\n",
- abts->exchange_addr_to_abort);
- return -ENOENT;
- }
- }
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f,
"qla_target(%d): task abort (tag=%d)\n",
@@ -1863,17 +1832,27 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
mcmd->reset_count = vha->hw->chip_reset;
mcmd->tmr_func = QLA_TGT_ABTS;
- rc = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, mcmd->tmr_func,
- abts->exchange_addr_to_abort);
- if (rc != 0) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,
- "qla_target(%d): tgt_ops->handle_tmr()"
- " failed: %d", vha->vp_idx, rc);
- mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
- return -EFAULT;
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, -1, mcmd->tmr_func,
+ abts->exchange_addr_to_abort, false);
+ if (rc == 0)
+ return 0;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,
+ "qla_target(%d): tgt_ops->handle_tmr() failed: %d",
+ vha->vp_idx, rc);
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+
+ /* cmd not in LIO lists, look in qla list */
+ if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) {
+ /* send TASK_ABORT response immediately */
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false);
+ return 0;
}
- return 0;
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081,
+ "unable to find cmd in driver or LIO for tag 0x%x\n",
+ abts->exchange_addr_to_abort);
+ return -ENOENT;
}
/*
@@ -4130,7 +4109,7 @@ static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun,
break;
}
- res = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, mcmd->tmr_func, 0);
+ res = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, mcmd->tmr_func, 0, true);
if (res != 0) {
ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000b,
"qla_target(%d): tgt.tgt_ops->handle_tmr() failed: %d\n",
@@ -4207,8 +4186,9 @@ static int __qlt_abort_task(struct scsi_qla_host *vha,
mcmd->reset_count = vha->hw->chip_reset;
mcmd->tmr_func = QLA_TGT_2G_ABORT_TASK;
- rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, mcmd->tmr_func,
- le16_to_cpu(iocb->u.isp2x.seq_id));
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, TMR_ABORT_TASK,
+ le16_to_cpu(iocb->u.isp2x.seq_id),
+ true);
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf060,
"qla_target(%d): tgt_ops->handle_tmr() failed: %d\n",
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index edf548621cb2..c3ea6d3e0c50 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -669,7 +669,7 @@ struct qla_tgt_func_tmpl {
void (*handle_data)(struct qla_tgt_cmd *);
void (*handle_dif_err)(struct qla_tgt_cmd *);
int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint16_t,
- uint32_t);
+ uint32_t, bool);
void (*free_cmd)(struct qla_tgt_cmd *);
void (*free_session)(struct fc_port *);
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index a8d1da62e6bd..ba02bef1abf4 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -553,10 +553,12 @@ static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd *cmd)
* Called from qla_target.c:qlt_issue_task_mgmt()
*/
static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, uint32_t lun,
- uint16_t tmr_func, uint32_t tag)
+ uint16_t tmr_func, uint32_t tag,
+ bool use_lun)
{
struct fc_port *sess = mcmd->sess;
struct se_cmd *se_cmd = &mcmd->se_cmd;
+ unsigned int flags = TARGET_SCF_ACK_KREF;
int transl_tmr_func = 0;
switch (tmr_func) {
@@ -594,8 +596,10 @@ static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, uint32_t lun,
return -ENOSYS;
}
+ if (!use_lun)
+ flags |= TARGET_SCF_IGNORE_TMR_LUN;
return target_submit_tmr(se_cmd, sess->se_sess, NULL, lun, mcmd,
- transl_tmr_func, GFP_ATOMIC, tag, TARGET_SCF_ACK_KREF);
+ transl_tmr_func, GFP_ATOMIC, tag, flags);
}
static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd)
--
2.11.0
--
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