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-rw-r--r--drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c156
-rw-r--r--drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h25
-rw-r--r--drivers/scsi/ibmvscsi_tgt/libsrp.h5
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c5
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.c30
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c38
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c34
9 files changed, 220 insertions, 78 deletions
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 659ab483d716..1f75d0380516 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -155,6 +155,9 @@ static long ibmvscsis_unregister_command_q(struct scsi_info *vscsi)
qrc = h_free_crq(vscsi->dds.unit_id);
switch (qrc) {
case H_SUCCESS:
+ spin_lock_bh(&vscsi->intr_lock);
+ vscsi->flags &= ~PREP_FOR_SUSPEND_FLAGS;
+ spin_unlock_bh(&vscsi->intr_lock);
break;
case H_HARDWARE:
@@ -422,6 +425,9 @@ static void ibmvscsis_disconnect(struct work_struct *work)
new_state = vscsi->new_state;
vscsi->new_state = 0;
+ vscsi->flags |= DISCONNECT_SCHEDULED;
+ vscsi->flags &= ~SCHEDULE_DISCONNECT;
+
pr_debug("disconnect: flags 0x%x, state 0x%hx\n", vscsi->flags,
vscsi->state);
@@ -802,6 +808,13 @@ static long ibmvscsis_establish_new_q(struct scsi_info *vscsi)
long rc = ADAPT_SUCCESS;
uint format;
+ rc = h_vioctl(vscsi->dds.unit_id, H_ENABLE_PREPARE_FOR_SUSPEND, 30000,
+ 0, 0, 0, 0);
+ if (rc == H_SUCCESS)
+ vscsi->flags |= PREP_FOR_SUSPEND_ENABLED;
+ else if (rc != H_NOT_FOUND)
+ pr_err("Error from Enable Prepare for Suspend: %ld\n", rc);
+
vscsi->flags &= PRESERVE_FLAG_FIELDS;
vscsi->rsp_q_timer.timer_pops = 0;
vscsi->debit = 0;
@@ -951,6 +964,63 @@ static void ibmvscsis_free_cmd_resources(struct scsi_info *vscsi,
}
/**
+ * ibmvscsis_ready_for_suspend() - Helper function to call VIOCTL
+ * @vscsi: Pointer to our adapter structure
+ * @idle: Indicates whether we were called from adapter_idle. This
+ * is important to know if we need to do a disconnect, since if
+ * we're called from adapter_idle, we're still processing the
+ * current disconnect, so we can't just call post_disconnect.
+ *
+ * This function is called when the adapter is idle when phyp has sent
+ * us a Prepare for Suspend Transport Event.
+ *
+ * EXECUTION ENVIRONMENT:
+ * Process or interrupt environment called with interrupt lock held
+ */
+static long ibmvscsis_ready_for_suspend(struct scsi_info *vscsi, bool idle)
+{
+ long rc = 0;
+ struct viosrp_crq *crq;
+
+ /* See if there is a Resume event in the queue */
+ crq = vscsi->cmd_q.base_addr + vscsi->cmd_q.index;
+
+ pr_debug("ready_suspend: flags 0x%x, state 0x%hx crq_valid:%x\n",
+ vscsi->flags, vscsi->state, (int)crq->valid);
+
+ if (!(vscsi->flags & PREP_FOR_SUSPEND_ABORTED) && !(crq->valid)) {
+ rc = h_vioctl(vscsi->dds.unit_id, H_READY_FOR_SUSPEND, 0, 0, 0,
+ 0, 0);
+ if (rc) {
+ pr_err("Ready for Suspend Vioctl failed: %ld\n", rc);
+ rc = 0;
+ }
+ } else if (((vscsi->flags & PREP_FOR_SUSPEND_OVERWRITE) &&
+ (vscsi->flags & PREP_FOR_SUSPEND_ABORTED)) ||
+ ((crq->valid) && ((crq->valid != VALID_TRANS_EVENT) ||
+ (crq->format != RESUME_FROM_SUSP)))) {
+ if (idle) {
+ vscsi->state = ERR_DISCONNECT_RECONNECT;
+ ibmvscsis_reset_queue(vscsi);
+ rc = -1;
+ } else if (vscsi->state == CONNECTED) {
+ ibmvscsis_post_disconnect(vscsi,
+ ERR_DISCONNECT_RECONNECT, 0);
+ }
+
+ vscsi->flags &= ~PREP_FOR_SUSPEND_OVERWRITE;
+
+ if ((crq->valid) && ((crq->valid != VALID_TRANS_EVENT) ||
+ (crq->format != RESUME_FROM_SUSP)))
+ pr_err("Invalid element in CRQ after Prepare for Suspend");
+ }
+
+ vscsi->flags &= ~(PREP_FOR_SUSPEND_PENDING | PREP_FOR_SUSPEND_ABORTED);
+
+ return rc;
+}
+
+/**
* ibmvscsis_trans_event() - Handle a Transport Event
* @vscsi: Pointer to our adapter structure
* @crq: Pointer to CRQ entry containing the Transport Event
@@ -974,18 +1044,8 @@ static long ibmvscsis_trans_event(struct scsi_info *vscsi,
case PARTNER_FAILED:
case PARTNER_DEREGISTER:
ibmvscsis_delete_client_info(vscsi, true);
- break;
-
- default:
- rc = ERROR;
- dev_err(&vscsi->dev, "trans_event: invalid format %d\n",
- (uint)crq->format);
- ibmvscsis_post_disconnect(vscsi, ERR_DISCONNECT,
- RESPONSE_Q_DOWN);
- break;
- }
-
- if (rc == ADAPT_SUCCESS) {
+ if (crq->format == MIGRATED)
+ vscsi->flags &= ~PREP_FOR_SUSPEND_OVERWRITE;
switch (vscsi->state) {
case NO_QUEUE:
case ERR_DISCONNECTED:
@@ -1034,6 +1094,60 @@ static long ibmvscsis_trans_event(struct scsi_info *vscsi,
vscsi->flags |= (RESPONSE_Q_DOWN | TRANS_EVENT);
break;
}
+ break;
+
+ case PREPARE_FOR_SUSPEND:
+ pr_debug("Prep for Suspend, crq status = 0x%x\n",
+ (int)crq->status);
+ switch (vscsi->state) {
+ case ERR_DISCONNECTED:
+ case WAIT_CONNECTION:
+ case CONNECTED:
+ ibmvscsis_ready_for_suspend(vscsi, false);
+ break;
+ case SRP_PROCESSING:
+ vscsi->resume_state = vscsi->state;
+ vscsi->flags |= PREP_FOR_SUSPEND_PENDING;
+ if (crq->status == CRQ_ENTRY_OVERWRITTEN)
+ vscsi->flags |= PREP_FOR_SUSPEND_OVERWRITE;
+ ibmvscsis_post_disconnect(vscsi, WAIT_IDLE, 0);
+ break;
+ case NO_QUEUE:
+ case UNDEFINED:
+ case UNCONFIGURING:
+ case WAIT_ENABLED:
+ case ERR_DISCONNECT:
+ case ERR_DISCONNECT_RECONNECT:
+ case WAIT_IDLE:
+ pr_err("Invalid state for Prepare for Suspend Trans Event: 0x%x\n",
+ vscsi->state);
+ break;
+ }
+ break;
+
+ case RESUME_FROM_SUSP:
+ pr_debug("Resume from Suspend, crq status = 0x%x\n",
+ (int)crq->status);
+ if (vscsi->flags & PREP_FOR_SUSPEND_PENDING) {
+ vscsi->flags |= PREP_FOR_SUSPEND_ABORTED;
+ } else {
+ if ((crq->status == CRQ_ENTRY_OVERWRITTEN) ||
+ (vscsi->flags & PREP_FOR_SUSPEND_OVERWRITE)) {
+ ibmvscsis_post_disconnect(vscsi,
+ ERR_DISCONNECT_RECONNECT,
+ 0);
+ vscsi->flags &= ~PREP_FOR_SUSPEND_OVERWRITE;
+ }
+ }
+ break;
+
+ default:
+ rc = ERROR;
+ dev_err(&vscsi->dev, "trans_event: invalid format %d\n",
+ (uint)crq->format);
+ ibmvscsis_post_disconnect(vscsi, ERR_DISCONNECT,
+ RESPONSE_Q_DOWN);
+ break;
}
rc = vscsi->flags & SCHEDULE_DISCONNECT;
@@ -1201,6 +1315,7 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi)
static void ibmvscsis_adapter_idle(struct scsi_info *vscsi)
{
int free_qs = false;
+ long rc = 0;
pr_debug("adapter_idle: flags 0x%x, state 0x%hx\n", vscsi->flags,
vscsi->state);
@@ -1240,7 +1355,14 @@ static void ibmvscsis_adapter_idle(struct scsi_info *vscsi)
vscsi->rsp_q_timer.timer_pops = 0;
vscsi->debit = 0;
vscsi->credit = 0;
- if (vscsi->flags & TRANS_EVENT) {
+ if (vscsi->flags & PREP_FOR_SUSPEND_PENDING) {
+ vscsi->state = vscsi->resume_state;
+ vscsi->resume_state = 0;
+ rc = ibmvscsis_ready_for_suspend(vscsi, true);
+ vscsi->flags &= ~DISCONNECT_SCHEDULED;
+ if (rc)
+ break;
+ } else if (vscsi->flags & TRANS_EVENT) {
vscsi->state = WAIT_CONNECTION;
vscsi->flags &= PRESERVE_FLAG_FIELDS;
} else {
@@ -3792,8 +3914,16 @@ static struct se_portal_group *ibmvscsis_make_tpg(struct se_wwn *wwn,
{
struct ibmvscsis_tport *tport =
container_of(wwn, struct ibmvscsis_tport, tport_wwn);
+ u16 tpgt;
int rc;
+ if (strstr(name, "tpgt_") != name)
+ return ERR_PTR(-EINVAL);
+ rc = kstrtou16(name + 5, 0, &tpgt);
+ if (rc)
+ return ERR_PTR(rc);
+ tport->tport_tpgt = tpgt;
+
tport->releasing = false;
rc = core_tpg_register(&tport->tport_wwn, &tport->se_tpg,
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
index b4391a8de456..cc96c2731134 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
@@ -262,6 +262,14 @@ struct scsi_info {
#define DISCONNECT_SCHEDULED 0x00800
/* remove function is sleeping */
#define CFG_SLEEPING 0x01000
+ /* Register for Prepare for Suspend Transport Events */
+#define PREP_FOR_SUSPEND_ENABLED 0x02000
+ /* Prepare for Suspend event sent */
+#define PREP_FOR_SUSPEND_PENDING 0x04000
+ /* Resume from Suspend event sent */
+#define PREP_FOR_SUSPEND_ABORTED 0x08000
+ /* Prepare for Suspend event overwrote another CRQ entry */
+#define PREP_FOR_SUSPEND_OVERWRITE 0x10000
u32 flags;
/* adapter lock */
spinlock_t intr_lock;
@@ -272,6 +280,7 @@ struct scsi_info {
/* used in crq, to tag what iu the response is for */
u64 empty_iu_tag;
uint new_state;
+ uint resume_state;
/* control block for the response queue timer */
struct timer_cb rsp_q_timer;
/* keep last client to enable proper accounting */
@@ -324,8 +333,13 @@ struct scsi_info {
#define TARGET_STOP(VSCSI) (long)(((VSCSI)->state & DONT_PROCESS_STATE) | \
((VSCSI)->flags & BLOCK))
+#define PREP_FOR_SUSPEND_FLAGS (PREP_FOR_SUSPEND_ENABLED | \
+ PREP_FOR_SUSPEND_PENDING | \
+ PREP_FOR_SUSPEND_ABORTED | \
+ PREP_FOR_SUSPEND_OVERWRITE)
+
/* flag bit that are not reset during disconnect */
-#define PRESERVE_FLAG_FIELDS 0
+#define PRESERVE_FLAG_FIELDS (PREP_FOR_SUSPEND_FLAGS)
#define vio_iu(IUE) ((union viosrp_iu *)((IUE)->sbuf->buf))
@@ -333,8 +347,15 @@ struct scsi_info {
#define WRITE_CMD(cdb) (((cdb)[0] & 0x1F) == 0xA)
#ifndef H_GET_PARTNER_INFO
-#define H_GET_PARTNER_INFO 0x0000000000000008LL
+#define H_GET_PARTNER_INFO 0x0000000000000008LL
+#endif
+#ifndef H_ENABLE_PREPARE_FOR_SUSPEND
+#define H_ENABLE_PREPARE_FOR_SUSPEND 0x000000000000001DLL
#endif
+#ifndef H_READY_FOR_SUSPEND
+#define H_READY_FOR_SUSPEND 0x000000000000001ELL
+#endif
+
#define h_copy_rdma(l, sa, sb, da, db) \
plpar_hcall_norets(H_COPY_RDMA, l, sa, sb, da, db)
diff --git a/drivers/scsi/ibmvscsi_tgt/libsrp.h b/drivers/scsi/ibmvscsi_tgt/libsrp.h
index 4696f331453e..9fec55b36322 100644
--- a/drivers/scsi/ibmvscsi_tgt/libsrp.h
+++ b/drivers/scsi/ibmvscsi_tgt/libsrp.h
@@ -30,10 +30,13 @@ enum srp_trans_event {
UNUSED_FORMAT = 0,
PARTNER_FAILED = 1,
PARTNER_DEREGISTER = 2,
- MIGRATED = 6
+ MIGRATED = 6,
+ PREPARE_FOR_SUSPEND = 9,
+ RESUME_FROM_SUSP = 0xA
};
enum srp_status {
+ CRQ_ENTRY_OVERWRITTEN = 0x20,
HEADER_DESCRIPTOR = 0xF1,
PING = 0xF5,
PING_RESPONSE = 0xF6
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 4ed48ed38e79..7ee1a94c0b33 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -205,8 +205,10 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
atomic_read(&tgtp->xmt_ls_rsp_error));
len += snprintf(buf+len, PAGE_SIZE-len,
- "FCP: Rcv %08x Release %08x Drop %08x\n",
+ "FCP: Rcv %08x Defer %08x Release %08x "
+ "Drop %08x\n",
atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_defer),
atomic_read(&tgtp->xmt_fcp_release),
atomic_read(&tgtp->rcv_fcp_cmd_drop));
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 5cc8b0f7d885..744f3f395b64 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -782,8 +782,11 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
atomic_read(&tgtp->xmt_ls_rsp_error));
len += snprintf(buf + len, size - len,
- "FCP: Rcv %08x Drop %08x\n",
+ "FCP: Rcv %08x Defer %08x Release %08x "
+ "Drop %08x\n",
atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_defer),
+ atomic_read(&tgtp->xmt_fcp_release),
atomic_read(&tgtp->rcv_fcp_cmd_drop));
if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index fbeec344c6cc..bbbd0f84160d 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -841,12 +841,31 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport,
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
}
+static void
+lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_tgt_fcp_req *rsp)
+{
+ struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_rcv_ctx *ctxp =
+ container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
+ struct lpfc_hba *phba = ctxp->phba;
+
+ lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n",
+ ctxp->oxid, ctxp->size, smp_processor_id());
+
+ tgtp = phba->targetport->private;
+ atomic_inc(&tgtp->rcv_fcp_cmd_defer);
+ lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
+}
+
static struct nvmet_fc_target_template lpfc_tgttemplate = {
.targetport_delete = lpfc_nvmet_targetport_delete,
.xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp,
.fcp_op = lpfc_nvmet_xmt_fcp_op,
.fcp_abort = lpfc_nvmet_xmt_fcp_abort,
.fcp_req_release = lpfc_nvmet_xmt_fcp_release,
+ .defer_rcv = lpfc_nvmet_defer_rcv,
.max_hw_queues = 1,
.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,
@@ -1504,6 +1523,17 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
return;
}
+ /* Processing of FCP command is deferred */
+ if (rc == -EOVERFLOW) {
+ lpfc_nvmeio_data(phba,
+ "NVMET RCV BUSY: xri x%x sz %d from %06x\n",
+ oxid, size, sid);
+ /* defer reposting rcv buffer till .defer_rcv callback */
+ ctxp->rqb_buffer = nvmebuf;
+ atomic_inc(&tgtp->rcv_fcp_cmd_out);
+ return;
+ }
+
atomic_inc(&tgtp->rcv_fcp_cmd_drop);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h
index e675ef17be08..48a76788b003 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.h
+++ b/drivers/scsi/lpfc/lpfc_nvmet.h
@@ -49,6 +49,7 @@ struct lpfc_nvmet_tgtport {
atomic_t rcv_fcp_cmd_in;
atomic_t rcv_fcp_cmd_out;
atomic_t rcv_fcp_cmd_drop;
+ atomic_t rcv_fcp_cmd_defer;
atomic_t xmt_fcp_release;
/* Stats counters - lpfc_nvmet_xmt_fcp_op */
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 986a4270b2ff..e101cd3043b9 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1874,36 +1874,13 @@ 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 qla_tgt_cmd *cmd;
- struct se_cmd *se_cmd;
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) {
- if (se_cmd->tag == abts->exchange_addr_to_abort) {
- 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(ha->base_qpair, 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;
- }
+ if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) {
+ /* send TASK_ABORT response immediately */
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts, FCP_TMF_CMPL, false);
+ return 0;
}
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f,
@@ -1919,14 +1896,17 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
}
memset(mcmd, 0, sizeof(*mcmd));
- cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
mcmd->sess = sess;
memcpy(&mcmd->orig_iocb.abts, abts, sizeof(mcmd->orig_iocb.abts));
mcmd->reset_count = ha->base_qpair->chip_reset;
mcmd->tmr_func = QLA_TGT_ABTS;
mcmd->qpair = ha->base_qpair;
- rc = ha->tgt.tgt_ops->handle_tmr(mcmd, cmd->unpacked_lun, mcmd->tmr_func,
+ /*
+ * LUN is looked up by target-core internally based on the passed
+ * abts->exchange_addr_to_abort tag.
+ */
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, 0, mcmd->tmr_func,
abts->exchange_addr_to_abort);
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index c4b414833b86..3f82ea1b72dc 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -500,7 +500,6 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
static void tcm_qla2xxx_handle_data_work(struct work_struct *work)
{
struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
- unsigned long flags;
/*
* Ensure that the complete FCP WRITE payload has been received.
@@ -508,17 +507,6 @@ static void tcm_qla2xxx_handle_data_work(struct work_struct *work)
*/
cmd->cmd_in_wq = 0;
- spin_lock_irqsave(&cmd->cmd_lock, flags);
- cmd->data_work = 1;
- if (cmd->aborted) {
- cmd->data_work_free = 1;
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
-
- tcm_qla2xxx_free_cmd(cmd);
- return;
- }
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
-
cmd->qpair->tgt_counters.qla_core_ret_ctio++;
if (!cmd->write_data_transferred) {
/*
@@ -600,11 +588,13 @@ 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);
@@ -637,7 +627,7 @@ 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, TARGET_SCF_ACK_KREF);
+ transl_tmr_func, GFP_ATOMIC, tag, flags);
}
static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd)
@@ -763,31 +753,13 @@ static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
qlt_xmit_tm_rsp(mcmd);
}
-#define DATA_WORK_NOT_FREE(_cmd) (_cmd->data_work && !_cmd->data_work_free)
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);
- unsigned long flags;
if (qlt_abort_cmd(cmd))
return;
-
- spin_lock_irqsave(&cmd->cmd_lock, flags);
- if ((cmd->state == QLA_TGT_STATE_NEW)||
- ((cmd->state == QLA_TGT_STATE_DATA_IN) &&
- DATA_WORK_NOT_FREE(cmd))) {
- cmd->data_work_free = 1;
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- /*
- * cmd has not reached fw, Use this trigger to free it.
- */
- tcm_qla2xxx_free_cmd(cmd);
- return;
- }
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- return;
-
}
static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *,