lpfc 8.1.10 : Add support for dev_loss_tmo_callbk and fast_io_fail_tmo_callbk

@@ -285,6 +285,7 @@ #define FC_BYPASSED_MODE        0x20000	
 	uint32_t cfg_log_verbose;
 	uint32_t cfg_lun_queue_depth;
 	uint32_t cfg_nodev_tmo;
+	uint32_t cfg_devloss_tmo;
 	uint32_t cfg_hba_queue_depth;
 	uint32_t cfg_fcp_class;
 	uint32_t cfg_use_adisc;

@@ -303,6 +304,8 @@ #define FC_BYPASSED_MODE        0x20000	
 	uint32_t cfg_sg_seg_cnt;
 	uint32_t cfg_sg_dma_buf_size;
 
+	uint32_t dev_loss_tmo_changed;
+
 	lpfc_vpd_t vpd;		/* vital product data */
 
 	struct Scsi_Host *host;

212 lines not on this page · raw message

@@ -18,6 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
+struct fc_rport;
 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,

@@ -200,6 +201,8 @@ extern struct scsi_host_template lpfc_te
 extern struct fc_function_template lpfc_transport_functions;
 
 void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
+void lpfc_terminate_rport_io(struct fc_rport *);
+void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 #define HBA_EVENT_RSCN                   5

@@ -324,7 +324,6 @@ lpfc_ns_rsp(struct lpfc_hba * phba, stru
 	struct lpfc_sli_ct_request *Response =
 		(struct lpfc_sli_ct_request *) mp->virt;
 	struct lpfc_nodelist *ndlp = NULL;
-	struct lpfc_nodelist *next_ndlp;
 	struct lpfc_dmabuf *mlast, *next_mp;
 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
 	uint32_t Did;

@@ -399,30 +398,6 @@ nsout1:
  	 * current driver state.
  	 */
 	if (phba->hba_state == LPFC_HBA_READY) {
-
-		/*
-		 * Switch ports that connect a loop of multiple targets need
-		 * special consideration.  The driver wants to unregister the
-		 * rpi only on the target that was pulled from the loop.  On
-		 * RSCN, the driver wants to rediscover an NPort only if the
-		 * driver flagged it as NLP_NPR_2B_DISC.  Provided adisc is
-		 * not enabled and the NPort is not capable of retransmissions
-		 * (FC Tape) prevent timing races with the scsi error handler by
-		 * unregistering the Nport's RPI.  This action causes all
-		 * outstanding IO to flush back to the midlayer.
-		 */
-		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
-					 nlp_listp) {
-			if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
-			    (lpfc_rscn_payload_check(phba, ndlp->nlp_DID))) {
-				if ((phba->cfg_use_adisc == 0) &&
-				    !(ndlp->nlp_fcp_info &
-				      NLP_FCP_2_DEVICE)) {
-					lpfc_unreg_rpi(phba, ndlp);
-					ndlp->nlp_flag &= ~NLP_NPR_ADISC;
-				}
-			}
-		}
 		lpfc_els_flush_rscn(phba);
 		spin_lock_irq(phba->host->host_lock);
 		phba->fc_flag |= FC_RSCN_MODE; /* we are still in RSCN mode */

@@ -30,7 +30,6 @@ #define LPFC_DISC_FLOGI_TMO  10	      /*
 
 /* worker thread events */
 enum lpfc_work_type {
-	LPFC_EVT_NODEV_TMO,
 	LPFC_EVT_ONLINE,
 	LPFC_EVT_OFFLINE,
 	LPFC_EVT_WARM_START,

@@ -74,11 +73,9 @@ #define NLP_NO_SID		0xffff
 #define NLP_FCP_2_DEVICE   0x10			/* FCP-2 device */
 
 	struct timer_list   nlp_delayfunc;	/* Used for delayed ELS cmds */
-	struct timer_list   nlp_tmofunc;	/* Used for nodev tmo */
 	struct fc_rport *rport;			/* Corresponding FC transport
 						   port structure */
 	struct lpfc_hba      *nlp_phba;
-	struct lpfc_work_evt nodev_timeout_evt;
 	struct lpfc_work_evt els_retry_evt;
 	unsigned long last_ramp_up_time;        /* jiffy of last ramp up */
 	unsigned long last_q_full_time;		/* jiffy of last queue full */

@@ -102,7 +99,6 @@ #define NLP_ADISC_SND      0x80		/* sent
 #define NLP_LOGO_SND       0x100	/* sent LOGO request for this entry */
 #define NLP_RNID_SND       0x400	/* sent RNID request for this entry */
 #define NLP_ELS_SND_MASK   0x7e0	/* sent ELS request for this entry */
-#define NLP_NODEV_TMO      0x10000	/* nodev timeout is running for node */
 #define NLP_DELAY_TMO      0x20000	/* delay timeout is running for node */
 #define NLP_NPR_2B_DISC    0x40000	/* node is included in num_disc_nodes */
 #define NLP_RCV_PLOGI      0x80000	/* Rcv'ed PLOGI from remote system */

@@ -169,7 +165,7 @@ #define NLP_STE_FREED_NODE        0xff	/
  */
 /*
  * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped
- * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers
+ * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers
  * expire, all effected nodes will receive a DEVICE_RM event.
  */
 /*

285 lines not on this page · raw message

@@ -1813,7 +1813,7 @@ lpfc_device_recov_npr_node(struct lpfc_h
  */
 /*
  * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped
- * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers
+ * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers
  * expire, all effected nodes will receive a DEVICE_RM event.
  */
 /*

@@ -935,7 +935,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmn
 			schedule_timeout_uninterruptible(LPFC_ABORT_WAIT*HZ);
 		spin_lock_irq(phba->host->host_lock);
 		if (++loop_count
-		    > (2 * phba->cfg_nodev_tmo)/LPFC_ABORT_WAIT)
+		    > (2 * phba->cfg_devloss_tmo)/LPFC_ABORT_WAIT)
 			break;
 	}
 

@@ -978,7 +978,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd 
 	spin_lock_irq(shost->host_lock);
 	/*
 	 * If target is not in a MAPPED state, delay the reset until
-	 * target is rediscovered or nodev timeout expires.
+	 * target is rediscovered or devloss timeout expires.
 	 */
 	while ( 1 ) {
 		if (!pnode)

@@ -1050,7 +1050,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd 
 		spin_lock_irq(phba->host->host_lock);
 
 		if (++loopcnt
-		    > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
+		    > (2 * phba->cfg_devloss_tmo)/LPFC_RESET_WAIT)
 			break;
 
 		cnt = lpfc_sli_sum_iocb(phba,

@@ -1151,7 +1151,7 @@ lpfc_reset_bus_handler(struct scsi_cmnd 
 		spin_lock_irq(phba->host->host_lock);
 
 		if (++loopcnt
-		    > (2 * phba->cfg_nodev_tmo)/LPFC_RESET_WAIT)
+		    > (2 * phba->cfg_devloss_tmo)/LPFC_RESET_WAIT)
 			break;
 
 		cnt = lpfc_sli_sum_iocb(phba,

@@ -1249,7 +1249,7 @@ lpfc_slave_configure(struct scsi_device 
 	 * target pointer is stored in the starget_data for the
 	 * driver's sysfs entry point functions.
 	 */
-	rport->dev_loss_tmo = phba->cfg_nodev_tmo + 5;
+	rport->dev_loss_tmo = phba->cfg_devloss_tmo;
 
 	if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
 		lpfc_sli_poll_fcp_ring(phba);