175 	 * If this command is for fabric controller and HBA running  in lpfc_prep_els_iocb()
353  * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport
356  * This routine issues a fabric registration login for a @vport. An
358  * The routine invokes two mailbox commands to carry out fabric registration
361  * command requests the HBA to perform the actual fabric registration login
365  *   0 - successfully issued fabric registration login for @vport
366  *   -ENXIO -- failed to issue fabric registration login for @vport
444 			 "0249 Cannot issue Register Fabric login: Err %d\n",  in lpfc_issue_fabric_reglogin()
450  * lpfc_issue_reg_vfi - Register VFI for this vport's fabric login
486 	/* Supply CSP's only if we are fabric connect or pt-to-pt connect */  in lpfc_issue_reg_vfi()
534  * lpfc_issue_unreg_vfi - Unregister VFI for this vport's fabric login
587  * lpfc_check_clean_addr_bit return 1 when FCID/Fabric portname/ Fabric
591  * in FLOGI/FDISC response is cleared and FCID/Fabric portname/ Fabric
595  *   0 - FCID and Fabric Nodename and Fabric portname is not changed.
596  *   1 - FCID or Fabric Nodename or Fabric portname is changed.
621 	 * If fabric parameter is changed and clean address bit is  in lpfc_check_clean_addr_bit()
638  * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port
645  * function to handle the completion of a Fabric Login (FLOGI) into a fabric
646  * port in a fabric topology. It properly sets up the parameters to the @ndlp
652  * is invoked to register login to the fabric.
737 					 "1817 Fabric does not support NPIV "  in lpfc_cmpl_els_flogi_fabric()
790 		 * response to this fabric parameter change event.  in lpfc_cmpl_els_flogi_fabric()
839  * function to handle the completion of a Fabric Login (FLOGI) into an N_Port
905 			 * Cannot find existing Fabric ndlp, so allocate a  in lpfc_cmpl_els_flogi_nport()
964  * a Fabric Login (FLOGI) command. If the response IOCB reported error,
974  * this is a point-to-point topology or a fabric topology: if the Port ID
975  * field is assigned, it is a fabric topology; otherwise, it is a
1068 		/* FLOGI failed, so there is no fabric */  in lpfc_cmpl_els_flogi()
1130 		 * we are point to point, if Fport we are Fabric.  in lpfc_cmpl_els_flogi()
1138 				"2831 FLOGI response with cleared Fabric "  in lpfc_cmpl_els_flogi()
1141 				"Fabric Name "  in lpfc_cmpl_els_flogi()
1259  * This routine issues a Fabric Login (FLOGI) Request ELS command
1264  * out FLOGI ELS command with one outstanding fabric IOCB at a time.
1305 	/* Setup CSPs accordingly for Fabric */  in lpfc_issue_els_flogi()
1398  * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs
1445  * lpfc_initial_flogi - Issue an initial fabric login for a vport
1448  * This routine issues an initial Fabric Login (FLOGI) for the @vport
1468 	/* First look for the Fabric ndlp */  in lpfc_initial_flogi()
1471 		/* Cannot find existing Fabric ndlp, so allocate a new one */  in lpfc_initial_flogi()
1497  * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport
1500  * This routine issues an initial Fabric Discover (FDISC) for the @vport
1517 	/* First look for the Fabric ndlp */  in lpfc_initial_fdisc()
1520 		/* Cannot find existing Fabric ndlp, so allocate a new one */  in lpfc_initial_fdisc()
1583  * 1) The N_Port is a Fabric ndlp; 2) The @ndlp is on vport list and matches
1625 	/* Fabric nodes can have the same WWPN so we don't bother searching  in lpfc_plogi_confirm_nport()
2148 		 * are going offline. This logic does not apply for Fabric DIDs  in lpfc_issue_els_plogi()
2189 	 * If we are a N-port connected to a Fabric, fix-up paramm's so logins  in lpfc_issue_els_plogi()
2289 		/* If we don't send GFT_ID to Fabric, a PRLI error  in lpfc_cmpl_els_prli()
3146 				 "4677 Fabric RDF Notification Grant Data: "  in lpfc_cmpl_els_disc_cmd()
3164  * This routine issues a State Change Request (SCR) to a fabric node
3165  * on a @vport. The remote node is Fabric Controller (0xfffffd). It
3248  * lpfc_issue_els_rscn - Issue an RSCN to the Fabric Controller (Fabric)
3253  * This routine issues a RSCN to the Fabric Controller (DID 0xFFFFFD)
3254  *  when connected to a fabric, or to the remote port when connected
3255  *  in point-to-point mode. When sent to the Fabric Controller, it will
3292 		/* find the fabric controller node */  in lpfc_issue_els_rscn()
3326 	/* appears that page flags must be 0 for fabric to broadcast RSCN */  in lpfc_issue_els_rscn()
3463  * lpfc_issue_els_rdf - Register for diagnostic functions from the fabric.
3467  * This routine issues an ELS RDF to the Fabric Controller to register
3940 		logerr = 1; /* Fabric / Remote NPort out of resources */  in lpfc_els_retry()
4015 						 "Fabric out of resources\n",  in lpfc_els_retry()
4069 						 "Fabric Detected Bad WWN\n",  in lpfc_els_retry()
6536 	/* Never match fabric nodes for RSCNs */  in lpfc_rscn_payload_check()
6997  * This routine processes Fabric Login (FLOGI) IOCB received as an ELS
7127 	 * a Fabric. This is done just so we end up with the right  in lpfc_els_rcv_flogi()
7875  * This routine processes a Fabric Address Notification (FAN) IOCB
7878  * physical port). The fabric NodeName and PortName from the FAN IOCB are
7881  * Fabric Login (FLOGI) to the fabric to start the discover over. Otherwise,
7883  * is invoked to register login to the fabric.
8519 		/* Cannot find existing Fabric ndlp, so allocate a new one */  in lpfc_els_unsol_buffer()
8638 		/* If the driver believes fabric discovery is done and is ready,  in lpfc_els_unsol_buffer()
9035  * lpfc_issue_els_plogi() routine. If Fabric-Device Management Interface
9047 	 * bit is cleared and fc fabric parameters chenged, delay FC NPort  in lpfc_do_scr_ns_plogi()
9112  * the fabric registration login shall be performed on physical port (the
9318 	/* If fabric require FLOGI, then re-instantiate physical login */  in lpfc_retry_pport_discovery()
9361  * This routine is the completion callback function to a Fabric Discover
9505  * This routine prepares and issues a Fabric Discover (FDISC) IOCB to
9507  * routine to issue the IOCB, which makes sure only one outstanding fabric
9562 	/* Setup CSPs accordingly for Fabric */  in lpfc_issue_els_fdisc()
9712  * lpfc_fabric_block_timeout - Handler function to the fabric block timer
9715  * This routine is invoked by the fabric iocb block timer after
9716  * timeout. It posts the fabric iocb block timeout event by setting the
9741  * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list
9744  * This routine issues one fabric iocb from the driver internal list to
9745  * the HBA. It first checks whether it's ready to issue one fabric iocb to
9746  * the HBA (whether there is no outstanding fabric iocb). If so, it shall
9747  * remove one pending fabric iocb from the driver internal list and invokes
9748  * lpfc_sli_issue_iocb() routine to send the fabric iocb to the HBA.
9766 			/* Increment fabric iocb count to hold the position */  in lpfc_resume_fabric_iocbs()
9776 			"Fabric sched1:   ste:x%x",  in lpfc_resume_fabric_iocbs()
9799  * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command
9802  * This routine unblocks the  issuing fabric iocb command. The function
9803  * will clear the fabric iocb block bit and then invoke the routine
9804  * lpfc_resume_fabric_iocbs() to issue one of the pending fabric iocb
9805  * from the driver internal fabric iocb list.
9817  * lpfc_block_fabric_iocbs - Block issuing fabric iocb command
9820  * This routine blocks the issuing fabric iocb for a specified amount of
9821  * time (currently 100 ms). This is done by set the fabric iocb block bit
9823  * fabric iocb will be issued out of the HBA.
9831 	/* Start a timer to unblock fabric iocbs after 100ms */  in lpfc_block_fabric_iocbs()
9840  * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb
9845  * This routine is the callback function that is put to the fabric iocb's
9850  * fabric bound iocb from the driver internal fabric iocb list onto the wire.
9897  * lpfc_issue_fabric_iocb - Issue a fabric iocb command
9901  * This routine is used as the top-level API for issuing a fabric iocb command
9902  * such as FLOGI and FDISC. To accommodate certain switch fabric, this driver
9903  * function makes sure that only one fabric bound iocb will be outstanding at
9905  * is already an outstanding fabric iocb on the wire. If so, it will put the
9906  * newly issued iocb onto the driver internal fabric iocb list, waiting to be
9908  * fabric iocb count it indicate that there is one fabric iocb on the wire.
9910  * Note, this implementation has a potential sending out fabric IOCBs out of
9912  * not include the condition that the internal fabric IOCB list is empty. As
9913  * such, it is possible a fabric IOCB issued by this routine might be "jump"
9914  * ahead of the fabric IOCBs in the internal list.
9917  *   IOCB_SUCCESS - either fabric iocb put on the list or issued successfully
9918  *   IOCB_ERROR - failed to issue fabric iocb
9934 		/* Increment fabric iocb count to hold the position */  in lpfc_issue_fabric_iocb()
9943 			"Fabric sched2:   ste:x%x",  in lpfc_issue_fabric_iocb()
9964  * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list
9968  * driver internal fabric IOCB list. The list contains fabric IOCBs to be
9969  * issued to the ELS IOCB ring. This abort function walks the fabric IOCB
9997  * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list
10001  * driver internal fabric IOCB list. The list contains fabric IOCBs to be
10002  * issued to the ELS IOCB ring. This abort function walks the fabric IOCB
10035  * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list
10039  * fabric IOCB list. The list contains fabric IOCBs to be issued to the ELS
10040  * IOCB ring. This function takes the entire IOCB list off the fabric IOCB