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path: root/drivers/scsi/qla2xxx/tcm_qla2xxx.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/tcm_qla2xxx.c')
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c72
1 files changed, 38 insertions, 34 deletions
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 61017acd3458..b55fc768a2a7 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -255,6 +255,7 @@ static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd)
static void tcm_qla2xxx_complete_free(struct work_struct *work)
{
struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
+ unsigned long flags;
cmd->cmd_in_wq = 0;
@@ -265,6 +266,10 @@ static void tcm_qla2xxx_complete_free(struct work_struct *work)
cmd->trc_flags |= TRC_CMD_FREE;
cmd->cmd_sent_to_fw = 0;
+ spin_lock_irqsave(&cmd->sess->sess_cmd_lock, flags);
+ list_del_init(&cmd->sess_cmd_list);
+ spin_unlock_irqrestore(&cmd->sess->sess_cmd_lock, flags);
+
transport_generic_free_cmd(&cmd->se_cmd, 0);
}
@@ -363,15 +368,10 @@ static void tcm_qla2xxx_put_sess(struct fc_port *sess)
static void tcm_qla2xxx_close_session(struct se_session *se_sess)
{
struct fc_port *sess = se_sess->fabric_sess_ptr;
- struct scsi_qla_host *vha;
- unsigned long flags;
BUG_ON(!sess);
- vha = sess->vha;
- spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
- target_sess_cmd_list_set_waiting(se_sess);
- spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ target_stop_session(se_sess);
sess->explicit_logout = 1;
tcm_qla2xxx_put_sess(sess);
@@ -451,13 +451,14 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
struct se_portal_group *se_tpg;
struct tcm_qla2xxx_tpg *tpg;
#endif
- int flags = TARGET_SCF_ACK_KREF;
+ int target_flags = TARGET_SCF_ACK_KREF;
+ unsigned long flags;
if (bidi)
- flags |= TARGET_SCF_BIDI_OP;
+ target_flags |= TARGET_SCF_BIDI_OP;
if (se_cmd->cpuid != WORK_CPU_UNBOUND)
- flags |= TARGET_SCF_USE_CPUID;
+ target_flags |= TARGET_SCF_USE_CPUID;
sess = cmd->sess;
if (!sess) {
@@ -479,11 +480,15 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
return 0;
}
#endif
-
cmd->qpair->tgt_counters.qla_core_sbt_cmd++;
+
+ spin_lock_irqsave(&sess->sess_cmd_lock, flags);
+ list_add_tail(&cmd->sess_cmd_list, &sess->sess_cmd_list);
+ spin_unlock_irqrestore(&sess->sess_cmd_lock, flags);
+
return target_submit_cmd(se_cmd, se_sess, cdb, &cmd->sense_buffer[0],
- cmd->unpacked_lun, data_length, fcp_task_attr,
- data_dir, flags);
+ cmd->unpacked_lun, data_length, fcp_task_attr,
+ data_dir, target_flags);
}
static void tcm_qla2xxx_handle_data_work(struct work_struct *work)
@@ -574,13 +579,11 @@ static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, u64 lun,
struct fc_port *sess = mcmd->sess;
struct se_cmd *se_cmd = &mcmd->se_cmd;
int transl_tmr_func = 0;
- int flags = TARGET_SCF_ACK_KREF;
switch (tmr_func) {
case QLA_TGT_ABTS:
pr_debug("%ld: ABTS received\n", sess->vha->host_no);
transl_tmr_func = TMR_ABORT_TASK;
- flags |= TARGET_SCF_LOOKUP_LUN_FROM_TAG;
break;
case QLA_TGT_2G_ABORT_TASK:
pr_debug("%ld: 2G Abort Task received\n", sess->vha->host_no);
@@ -613,31 +616,26 @@ static int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, u64 lun,
}
return target_submit_tmr(se_cmd, sess->se_sess, NULL, lun, mcmd,
- transl_tmr_func, GFP_ATOMIC, tag, flags);
+ transl_tmr_func, GFP_ATOMIC, tag, TARGET_SCF_ACK_KREF);
}
static struct qla_tgt_cmd *tcm_qla2xxx_find_cmd_by_tag(struct fc_port *sess,
uint64_t tag)
{
- struct qla_tgt_cmd *cmd = NULL;
- struct se_cmd *secmd;
+ struct qla_tgt_cmd *cmd;
unsigned long flags;
if (!sess->se_sess)
return NULL;
- spin_lock_irqsave(&sess->se_sess->sess_cmd_lock, flags);
- list_for_each_entry(secmd, &sess->se_sess->sess_cmd_list, se_cmd_list) {
- /* skip task management functions, including tmr->task_cmd */
- if (secmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
- continue;
-
- if (secmd->tag == tag) {
- cmd = container_of(secmd, struct qla_tgt_cmd, se_cmd);
- break;
- }
+ spin_lock_irqsave(&sess->sess_cmd_lock, flags);
+ list_for_each_entry(cmd, &sess->sess_cmd_list, sess_cmd_list) {
+ if (cmd->se_cmd.tag == tag)
+ goto done;
}
- spin_unlock_irqrestore(&sess->se_sess->sess_cmd_lock, flags);
+ cmd = NULL;
+done:
+ spin_unlock_irqrestore(&sess->sess_cmd_lock, flags);
return cmd;
}
@@ -767,11 +765,19 @@ static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd)
{
- struct qla_tgt_cmd *cmd = container_of(se_cmd,
- struct qla_tgt_cmd, se_cmd);
+ struct qla_tgt_cmd *cmd;
+ unsigned long flags;
- if (qlt_abort_cmd(cmd))
+ if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
return;
+
+ cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
+
+ spin_lock_irqsave(&cmd->sess->sess_cmd_lock, flags);
+ list_del_init(&cmd->sess_cmd_list);
+ spin_unlock_irqrestore(&cmd->sess->sess_cmd_lock, flags);
+
+ qlt_abort_cmd(cmd);
}
static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *,
@@ -820,7 +826,7 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct fc_port *sess)
static void tcm_qla2xxx_shutdown_sess(struct fc_port *sess)
{
- target_sess_cmd_list_set_waiting(sess->se_sess);
+ target_stop_session(sess->se_sess);
}
static int tcm_qla2xxx_init_nodeacl(struct se_node_acl *se_nacl,
@@ -1394,8 +1400,6 @@ static void tcm_qla2xxx_free_session(struct fc_port *sess)
struct se_session *se_sess;
struct tcm_qla2xxx_lport *lport;
- BUG_ON(in_interrupt());
-
se_sess = sess->se_sess;
if (!se_sess) {
pr_err("struct fc_port->se_sess is NULL\n");