lpfc: add Emulex FC driver version 8.0.28

From: 	James.Smart@Emulex.Com

Modified for kernel import and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 2537 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
new file mode 100644
index 00000000000..d546206038b
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -0,0 +1,2537 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Enterprise Fibre Channel Host Bus Adapters.                     *
+ * Refer to the README file included with this package for         *
+ * driver version and adapter support.                             *
+ * Copyright (C) 2004 Emulex Corporation.                          *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of the GNU General Public License     *
+ * as published by the Free Software Foundation; either version 2  *
+ * of the License, or (at your option) any later version.          *
+ *                                                                 *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of  *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
+ * GNU General Public License for more details, a copy of which    *
+ * can be found in the file COPYING included with this package.    *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_hbadisc.c 1.266 2005/04/13 11:59:06EDT sf_support Exp  $
+ */
+
+#include <linux/blkdev.h>
+#include <linux/pci.h>
+#include <linux/kthread.h>
+#include <linux/interrupt.h>
+
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw.h"
+#include "lpfc_disc.h"
+#include "lpfc_sli.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_crtn.h"
+
+/* AlpaArray for assignment of scsid for scan-down and bind_method */
+static uint8_t lpfcAlpaArray[] = {
+	0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
+	0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
+	0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
+	0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
+	0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
+	0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
+	0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
+	0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
+	0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
+	0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
+	0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
+	0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
+	0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
+};
+
+static void lpfc_disc_timeout_handler(struct lpfc_hba *);
+
+static void
+lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+	if (!(ndlp->nlp_type & NLP_FABRIC)) {
+		/* Nodev timeout on NPort <nlp_DID> */
+		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+			"%d:0203 Nodev timeout on NPort x%x "
+			"Data: x%x x%x x%x\n",
+			phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+			ndlp->nlp_state, ndlp->nlp_rpi);
+	}
+
+	spin_lock_irq(phba->host->host_lock);
+	if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
+		spin_unlock_irq(phba->host->host_lock);
+		return;
+	}
+
+	ndlp->nlp_flag &= ~NLP_NODEV_TMO;
+
+	if (ndlp->nlp_sid != NLP_NO_SID) {
+		/* flush the target */
+		lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
+			ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
+	}
+	spin_unlock_irq(phba->host->host_lock);
+
+	lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
+	return;
+}
+
+static void
+lpfc_work_list_done(struct lpfc_hba * phba)
+{
+	struct lpfc_work_evt  *evtp = NULL;
+	struct lpfc_nodelist  *ndlp;
+	int free_evt;
+
+	spin_lock_irq(phba->host->host_lock);
+	while(!list_empty(&phba->work_list)) {
+		list_remove_head((&phba->work_list), evtp, typeof(*evtp),
+				 evt_listp);
+		spin_unlock_irq(phba->host->host_lock);
+		free_evt = 1;
+		switch(evtp->evt) {
+		case LPFC_EVT_NODEV_TMO:
+			ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
+			lpfc_process_nodev_timeout(phba, ndlp);
+			free_evt = 0;
+			break;
+		case LPFC_EVT_ELS_RETRY:
+			ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
+			lpfc_els_retry_delay_handler(ndlp);
+			free_evt = 0;
+			break;
+		case LPFC_EVT_ONLINE:
+			*(int *)(evtp->evt_arg1)  = lpfc_online(phba);
+			complete((struct completion *)(evtp->evt_arg2));
+			break;
+		case LPFC_EVT_OFFLINE:
+			*(int *)(evtp->evt_arg1)  = lpfc_offline(phba);
+			complete((struct completion *)(evtp->evt_arg2));
+			break;
+		}
+		if (free_evt)
+			kfree(evtp);
+		spin_lock_irq(phba->host->host_lock);
+	}
+	spin_unlock_irq(phba->host->host_lock);
+
+}
+
+static void
+lpfc_work_done(struct lpfc_hba * phba)
+{
+	struct lpfc_sli_ring *pring;
+	int i;
+	uint32_t ha_copy;
+	uint32_t control;
+	uint32_t work_hba_events;
+
+	spin_lock_irq(phba->host->host_lock);
+	ha_copy = phba->work_ha;
+	phba->work_ha = 0;
+	work_hba_events=phba->work_hba_events;
+	spin_unlock_irq(phba->host->host_lock);
+
+	if(ha_copy & HA_ERATT)
+		lpfc_handle_eratt(phba);
+
+	if(ha_copy & HA_MBATT)
+		lpfc_sli_handle_mb_event(phba);
+
+	if(ha_copy & HA_LATT)
+		lpfc_handle_latt(phba);
+
+	if (work_hba_events & WORKER_DISC_TMO)
+		lpfc_disc_timeout_handler(phba);
+
+	if (work_hba_events & WORKER_ELS_TMO)
+		lpfc_els_timeout_handler(phba);
+
+	if (work_hba_events & WORKER_MBOX_TMO)
+		lpfc_mbox_timeout_handler(phba);
+
+	if (work_hba_events & WORKER_FDMI_TMO)
+		lpfc_fdmi_tmo_handler(phba);
+
+	spin_lock_irq(phba->host->host_lock);
+	phba->work_hba_events &= ~work_hba_events;
+	spin_unlock_irq(phba->host->host_lock);
+
+	for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
+		pring = &phba->sli.ring[i];
+		if ((ha_copy & HA_RXATT)
+		    || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
+			if (pring->flag & LPFC_STOP_IOCB_MASK) {
+				pring->flag |= LPFC_DEFERRED_RING_EVENT;
+			} else {
+				lpfc_sli_handle_slow_ring_event(phba, pring,
+								(ha_copy &
+								 HA_RXMASK));
+				pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
+			}
+			/*
+			 * Turn on Ring interrupts
+			 */
+			spin_lock_irq(phba->host->host_lock);
+			control = readl(phba->HCregaddr);
+			control |= (HC_R0INT_ENA << i);
+			writel(control, phba->HCregaddr);
+			readl(phba->HCregaddr); /* flush */
+			spin_unlock_irq(phba->host->host_lock);
+		}
+	}
+
+	lpfc_work_list_done (phba);
+
+}
+
+static int
+check_work_wait_done(struct lpfc_hba *phba) {
+
+	spin_lock_irq(phba->host->host_lock);
+	if (phba->work_ha ||
+	    phba->work_hba_events ||
+	    (!list_empty(&phba->work_list)) ||
+	    kthread_should_stop()) {
+		spin_unlock_irq(phba->host->host_lock);
+		return 1;
+	} else {
+		spin_unlock_irq(phba->host->host_lock);
+		return 0;
+	}
+}
+
+int
+lpfc_do_work(void *p)
+{
+	struct lpfc_hba *phba = p;
+	int rc;
+	DECLARE_WAIT_QUEUE_HEAD(work_waitq);
+
+	set_user_nice(current, -20);
+	phba->work_wait = &work_waitq;
+
+	while (1) {
+
+		rc = wait_event_interruptible(work_waitq,
+						check_work_wait_done(phba));
+		BUG_ON(rc);
+
+		if (kthread_should_stop())
+			break;
+
+		lpfc_work_done(phba);
+
+	}
+	phba->work_wait = NULL;
+	return 0;
+}
+
+/*
+ * This is only called to handle FC worker events. Since this a rare
+ * occurance, we allocate a struct lpfc_work_evt structure here instead of
+ * embedding it in the IOCB.
+ */
+int
+lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
+		      uint32_t evt)
+{
+	struct lpfc_work_evt  *evtp;
+
+	/*
+	 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
+	 * be queued to worker thread for processing
+	 */
+	evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
+	if (!evtp)
+		return 0;
+
+	evtp->evt_arg1  = arg1;
+	evtp->evt_arg2  = arg2;
+	evtp->evt       = evt;
+
+	list_add_tail(&evtp->evt_listp, &phba->work_list);
+	spin_lock_irq(phba->host->host_lock);
+	if (phba->work_wait)
+		wake_up(phba->work_wait);
+	spin_unlock_irq(phba->host->host_lock);
+
+	return 1;
+}
+
+int
+lpfc_linkdown(struct lpfc_hba * phba)
+{
+	struct lpfc_sli       *psli;
+	struct lpfc_nodelist  *ndlp, *next_ndlp;
+	struct list_head *listp;
+	struct list_head *node_list[7];
+	LPFC_MBOXQ_t     *mb;
+	int               rc, i;
+
+	psli = &phba->sli;
+
+	spin_lock_irq(phba->host->host_lock);
+	phba->hba_state = LPFC_LINK_DOWN;
+	spin_unlock_irq(phba->host->host_lock);
+
+	/* Clean up any firmware default rpi's */
+	if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+		lpfc_unreg_did(phba, 0xffffffff, mb);
+		mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+		if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
+		    == MBX_NOT_FINISHED) {
+			mempool_free( mb, phba->mbox_mem_pool);
+		}
+	}
+
+	/* Cleanup any outstanding RSCN activity */
+	lpfc_els_flush_rscn(phba);
+
+	/* Cleanup any outstanding ELS commands */
+	lpfc_els_flush_cmd(phba);
+
+	/* Issue a LINK DOWN event to all nodes */
+	node_list[0] = &phba->fc_npr_list;  /* MUST do this list first */
+	node_list[1] = &phba->fc_nlpmap_list;
+	node_list[2] = &phba->fc_nlpunmap_list;
+	node_list[3] = &phba->fc_prli_list;
+	node_list[4] = &phba->fc_reglogin_list;
+	node_list[5] = &phba->fc_adisc_list;
+	node_list[6] = &phba->fc_plogi_list;
+	for (i = 0; i < 7; i++) {
+		listp = node_list[i];
+		if (list_empty(listp))
+			continue;
+
+		list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
+			/* Fabric nodes are not handled thru state machine for
+			   link down */
+			if (ndlp->nlp_type & NLP_FABRIC) {
+				/* Remove ALL Fabric nodes except Fabric_DID */
+				if (ndlp->nlp_DID != Fabric_DID) {
+					/* Take it off current list and free */
+					lpfc_nlp_list(phba, ndlp,
+						NLP_NO_LIST);
+				}
+			}
+			else {
+
+				rc = lpfc_disc_state_machine(phba, ndlp, NULL,
+						     NLP_EVT_DEVICE_RECOVERY);
+
+				/* Check config parameter use-adisc or FCP-2 */
+				if ((rc != NLP_STE_FREED_NODE) &&
+					(phba->cfg_use_adisc == 0) &&
+					!(ndlp->nlp_fcp_info &
+						NLP_FCP_2_DEVICE)) {
+					/* We know we will have to relogin, so
+					 * unreglogin the rpi right now to fail
+					 * any outstanding I/Os quickly.
+					 */
+					lpfc_unreg_rpi(phba, ndlp);
+				}
+			}
+		}
+	}
+
+	/* free any ndlp's on unused list */
+	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
+				nlp_listp) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+	}
+
+	/* Setup myDID for link up if we are in pt2pt mode */
+	if (phba->fc_flag & FC_PT2PT) {
+		phba->fc_myDID = 0;
+		if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+			lpfc_config_link(phba, mb);
+			mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+			if (lpfc_sli_issue_mbox
+			    (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
+			    == MBX_NOT_FINISHED) {
+				mempool_free( mb, phba->mbox_mem_pool);
+			}
+		}
+		spin_lock_irq(phba->host->host_lock);
+		phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
+		spin_unlock_irq(phba->host->host_lock);
+	}
+	spin_lock_irq(phba->host->host_lock);
+	phba->fc_flag &= ~FC_LBIT;
+	spin_unlock_irq(phba->host->host_lock);
+
+	/* Turn off discovery timer if its running */
+	lpfc_can_disctmo(phba);
+
+	/* Must process IOCBs on all rings to handle ABORTed I/Os */
+	return (0);
+}
+
+static int
+lpfc_linkup(struct lpfc_hba * phba)
+{
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+
+	spin_lock_irq(phba->host->host_lock);
+	phba->hba_state = LPFC_LINK_UP;
+	phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
+			   FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
+	phba->fc_flag |= FC_NDISC_ACTIVE;
+	phba->fc_ns_retry = 0;
+	spin_unlock_irq(phba->host->host_lock);
+
+
+	/*
+	 * Clean up old Fabric NLP_FABRIC logins.
+	 */
+	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
+				nlp_listp) {
+		if (ndlp->nlp_DID == Fabric_DID) {
+			/* Take it off current list and free */
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		}
+	}
+
+	/* free any ndlp's on unused list */
+	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
+				nlp_listp) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+	}
+
+	return 0;
+}
+
+/*
+ * This routine handles processing a CLEAR_LA mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+	uint32_t control;
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+	/* Since we don't do discovery right now, turn these off here */
+	psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+	psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+	psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+
+	/* Check for error */
+	if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
+		/* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"%d:0320 CLEAR_LA mbxStatus error x%x hba "
+				"state x%x\n",
+				phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+		phba->hba_state = LPFC_HBA_ERROR;
+		goto out;
+	}
+
+	if (phba->fc_flag & FC_ABORT_DISCOVERY)
+		goto out;
+
+	phba->num_disc_nodes = 0;
+	/* go thru NPR list and issue ELS PLOGIs */
+	if (phba->fc_npr_cnt) {
+		lpfc_els_disc_plogi(phba);
+	}
+
+	if(!phba->num_disc_nodes) {
+		spin_lock_irq(phba->host->host_lock);
+		phba->fc_flag &= ~FC_NDISC_ACTIVE;
+		spin_unlock_irq(phba->host->host_lock);
+	}
+
+	phba->hba_state = LPFC_HBA_READY;
+
+out:
+	/* Device Discovery completes */
+	lpfc_printf_log(phba,
+			 KERN_INFO,
+			 LOG_DISCOVERY,
+			 "%d:0225 Device Discovery completes\n",
+			 phba->brd_no);
+
+	mempool_free( pmb, phba->mbox_mem_pool);
+
+	spin_lock_irq(phba->host->host_lock);
+	phba->fc_flag &= ~FC_ABORT_DISCOVERY;
+	if (phba->fc_flag & FC_ESTABLISH_LINK) {
+		phba->fc_flag &= ~FC_ESTABLISH_LINK;
+	}
+	spin_unlock_irq(phba->host->host_lock);
+
+	del_timer_sync(&phba->fc_estabtmo);
+
+	lpfc_can_disctmo(phba);
+
+	/* turn on Link Attention interrupts */
+	spin_lock_irq(phba->host->host_lock);
+	psli->sli_flag |= LPFC_PROCESS_LA;
+	control = readl(phba->HCregaddr);
+	control |= HC_LAINT_ENA;
+	writel(control, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+	spin_unlock_irq(phba->host->host_lock);
+
+	return;
+}
+
+static void
+lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+	/* Check for error */
+	if (mb->mbxStatus) {
+		/* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"%d:0306 CONFIG_LINK mbxStatus error x%x "
+				"HBA state x%x\n",
+				phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+		lpfc_linkdown(phba);
+		phba->hba_state = LPFC_HBA_ERROR;
+		goto out;
+	}
+
+	if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
+		if (phba->fc_topology == TOPOLOGY_LOOP) {
+			/* If we are public loop and L bit was set */
+			if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
+			    !(phba->fc_flag & FC_LBIT)) {
+				/* Need to wait for FAN - use discovery timer
+				 * for timeout.  hba_state is identically
+				 * LPFC_LOCAL_CFG_LINK while waiting for FAN
+				 */
+				lpfc_set_disctmo(phba);
+				mempool_free( pmb, phba->mbox_mem_pool);
+				return;
+			}
+		}
+
+		/* Start discovery by sending a FLOGI hba_state is identically
+		 * LPFC_FLOGI while waiting for FLOGI cmpl
+		 */
+		phba->hba_state = LPFC_FLOGI;
+		lpfc_set_disctmo(phba);
+		lpfc_initial_flogi(phba);
+		mempool_free( pmb, phba->mbox_mem_pool);
+		return;
+	}
+	if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
+		mempool_free( pmb, phba->mbox_mem_pool);
+		return;
+	}
+
+out:
+	/* CONFIG_LINK bad hba state <hba_state> */
+	lpfc_printf_log(phba,
+			KERN_ERR,
+			LOG_DISCOVERY,
+			"%d:0200 CONFIG_LINK bad hba state x%x\n",
+			phba->brd_no, phba->hba_state);
+
+	if (phba->hba_state != LPFC_CLEAR_LA) {
+		lpfc_clear_la(phba, pmb);
+		pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+		if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
+		    == MBX_NOT_FINISHED) {
+			mempool_free( pmb, phba->mbox_mem_pool);
+			lpfc_disc_flush_list(phba);
+			psli->ring[(psli->ip_ring)].flag &=
+				~LPFC_STOP_IOCB_EVENT;
+			psli->ring[(psli->fcp_ring)].flag &=
+				~LPFC_STOP_IOCB_EVENT;
+			psli->ring[(psli->next_ring)].flag &=
+				~LPFC_STOP_IOCB_EVENT;
+			phba->hba_state = LPFC_HBA_READY;
+		}
+	} else {
+		mempool_free( pmb, phba->mbox_mem_pool);
+	}
+	return;
+}
+
+static void
+lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	MAILBOX_t *mb = &pmb->mb;
+	struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
+
+
+	/* Check for error */
+	if (mb->mbxStatus) {
+		/* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"%d:0319 READ_SPARAM mbxStatus error x%x "
+				"hba state x%x>\n",
+				phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+		lpfc_linkdown(phba);
+		phba->hba_state = LPFC_HBA_ERROR;
+		goto out;
+	}
+
+	memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
+	       sizeof (struct serv_parm));
+	memcpy((uint8_t *) & phba->fc_nodename,
+	       (uint8_t *) & phba->fc_sparam.nodeName,
+	       sizeof (struct lpfc_name));
+	memcpy((uint8_t *) & phba->fc_portname,
+	       (uint8_t *) & phba->fc_sparam.portName,
+	       sizeof (struct lpfc_name));
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free( pmb, phba->mbox_mem_pool);
+	return;
+
+out:
+	pmb->context1 = NULL;
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	if (phba->hba_state != LPFC_CLEAR_LA) {
+		lpfc_clear_la(phba, pmb);
+		pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+		if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
+		    == MBX_NOT_FINISHED) {
+			mempool_free( pmb, phba->mbox_mem_pool);
+			lpfc_disc_flush_list(phba);
+			psli->ring[(psli->ip_ring)].flag &=
+			    ~LPFC_STOP_IOCB_EVENT;
+			psli->ring[(psli->fcp_ring)].flag &=
+			    ~LPFC_STOP_IOCB_EVENT;
+			psli->ring[(psli->next_ring)].flag &=
+			    ~LPFC_STOP_IOCB_EVENT;
+			phba->hba_state = LPFC_HBA_READY;
+		}
+	} else {
+		mempool_free( pmb, phba->mbox_mem_pool);
+	}
+	return;
+}
+
+static void
+lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
+{
+	int i;
+	LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
+	sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+	spin_lock_irq(phba->host->host_lock);
+	switch(la->UlnkSpeed) {
+		case LA_1GHZ_LINK:
+			phba->fc_linkspeed = LA_1GHZ_LINK;
+			break;
+		case LA_2GHZ_LINK:
+			phba->fc_linkspeed = LA_2GHZ_LINK;
+			break;
+		case LA_4GHZ_LINK:
+			phba->fc_linkspeed = LA_4GHZ_LINK;
+			break;
+		default:
+			phba->fc_linkspeed = LA_UNKNW_LINK;
+			break;
+	}
+
+	phba->fc_topology = la->topology;
+
+	if (phba->fc_topology == TOPOLOGY_LOOP) {
+	/* Get Loop Map information */
+
+		if (la->il)
+			phba->fc_flag |= FC_LBIT;
+
+		phba->fc_myDID = la->granted_AL_PA;
+		i = la->un.lilpBde64.tus.f.bdeSize;
+
+		if (i == 0) {
+			phba->alpa_map[0] = 0;
+		} else {
+			if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
+				int numalpa, j, k;
+				union {
+					uint8_t pamap[16];
+					struct {
+						uint32_t wd1;
+						uint32_t wd2;
+						uint32_t wd3;
+						uint32_t wd4;
+					} pa;
+				} un;
+				numalpa = phba->alpa_map[0];
+				j = 0;
+				while (j < numalpa) {
+					memset(un.pamap, 0, 16);
+					for (k = 1; j < numalpa; k++) {
+						un.pamap[k - 1] =
+							phba->alpa_map[j + 1];
+						j++;
+						if (k == 16)
+							break;
+					}
+					/* Link Up Event ALPA map */
+					lpfc_printf_log(phba,
+						KERN_WARNING,
+						LOG_LINK_EVENT,
+						"%d:1304 Link Up Event "
+						"ALPA map Data: x%x "
+						"x%x x%x x%x\n",
+						phba->brd_no,
+						un.pa.wd1, un.pa.wd2,
+						un.pa.wd3, un.pa.wd4);
+				}
+			}
+		}
+	} else {
+		phba->fc_myDID = phba->fc_pref_DID;
+		phba->fc_flag |= FC_LBIT;
+	}
+	spin_unlock_irq(phba->host->host_lock);
+
+	lpfc_linkup(phba);
+	if (sparam_mbox) {
+		lpfc_read_sparam(phba, sparam_mbox);
+		sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
+		lpfc_sli_issue_mbox(phba, sparam_mbox,
+						(MBX_NOWAIT | MBX_STOP_IOCB));
+	}
+
+	if (cfglink_mbox) {
+		phba->hba_state = LPFC_LOCAL_CFG_LINK;
+		lpfc_config_link(phba, cfglink_mbox);
+		cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
+		lpfc_sli_issue_mbox(phba, cfglink_mbox,
+						(MBX_NOWAIT | MBX_STOP_IOCB));
+	}
+}
+
+static void
+lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
+	uint32_t control;
+	struct lpfc_sli *psli = &phba->sli;
+
+	lpfc_linkdown(phba);
+
+	/* turn on Link Attention interrupts - no CLEAR_LA needed */
+	spin_lock_irq(phba->host->host_lock);
+	psli->sli_flag |= LPFC_PROCESS_LA;
+	control = readl(phba->HCregaddr);
+	control |= HC_LAINT_ENA;
+	writel(control, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+	spin_unlock_irq(phba->host->host_lock);
+}
+
+/*
+ * This routine handles processing a READ_LA mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	READ_LA_VAR *la;
+	MAILBOX_t *mb = &pmb->mb;
+	struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+	/* Check for error */
+	if (mb->mbxStatus) {
+		lpfc_printf_log(phba,
+				KERN_INFO,
+				LOG_LINK_EVENT,
+				"%d:1307 READ_LA mbox error x%x state x%x\n",
+				phba->brd_no,
+				mb->mbxStatus, phba->hba_state);
+		lpfc_mbx_issue_link_down(phba);
+		phba->hba_state = LPFC_HBA_ERROR;
+		goto lpfc_mbx_cmpl_read_la_free_mbuf;
+	}
+
+	la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
+
+	memcpy(&phba->alpa_map[0], mp->virt, 128);
+
+	if (((phba->fc_eventTag + 1) < la->eventTag) ||
+	     (phba->fc_eventTag == la->eventTag)) {
+		phba->fc_stat.LinkMultiEvent++;
+		if (la->attType == AT_LINK_UP) {
+			if (phba->fc_eventTag != 0)
+				lpfc_linkdown(phba);
+		}
+	}
+
+	phba->fc_eventTag = la->eventTag;
+
+	if (la->attType == AT_LINK_UP) {
+		phba->fc_stat.LinkUp++;
+		lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+				"%d:1303 Link Up Event x%x received "
+				"Data: x%x x%x x%x x%x\n",
+				phba->brd_no, la->eventTag, phba->fc_eventTag,
+				la->granted_AL_PA, la->UlnkSpeed,
+				phba->alpa_map[0]);
+		lpfc_mbx_process_link_up(phba, la);
+	} else {
+		phba->fc_stat.LinkDown++;
+		lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+				"%d:1305 Link Down Event x%x received "
+				"Data: x%x x%x x%x\n",
+				phba->brd_no, la->eventTag, phba->fc_eventTag,
+				phba->hba_state, phba->fc_flag);
+		lpfc_mbx_issue_link_down(phba);
+	}
+
+lpfc_mbx_cmpl_read_la_free_mbuf:
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free(pmb, phba->mbox_mem_pool);
+	return;
+}
+
+/*
+ * This routine handles processing a REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+	struct lpfc_dmabuf *mp;
+	struct lpfc_nodelist *ndlp;
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+
+	ndlp = (struct lpfc_nodelist *) pmb->context2;
+	mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+	pmb->context1 = NULL;
+
+	/* Good status, call state machine */
+	lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free( pmb, phba->mbox_mem_pool);
+
+	return;
+}
+
+/*
+ * This routine handles processing a Fabric REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+	struct lpfc_dmabuf *mp;
+	struct lpfc_nodelist *ndlp;
+	struct lpfc_nodelist *ndlp_fdmi;
+
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+
+	ndlp = (struct lpfc_nodelist *) pmb->context2;
+	mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+	if (mb->mbxStatus) {
+		lpfc_mbuf_free(phba, mp->virt, mp->phys);
+		kfree(mp);
+		mempool_free( pmb, phba->mbox_mem_pool);
+		mempool_free( ndlp, phba->nlp_mem_pool);
+
+		/* FLOGI failed, so just use loop map to make discovery list */
+		lpfc_disc_list_loopmap(phba);
+
+		/* Start discovery */
+		lpfc_disc_start(phba);
+		return;
+	}
+
+	pmb->context1 = NULL;
+
+	if (ndlp->nlp_rpi != 0)
+		lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+	ndlp->nlp_rpi = mb->un.varWords[0];
+	lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+	ndlp->nlp_type |= NLP_FABRIC;
+	ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+	lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+	if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
+		/* This NPort has been assigned an NPort_ID by the fabric as a
+		 * result of the completed fabric login.  Issue a State Change
+		 * Registration (SCR) ELS request to the fabric controller
+		 * (SCR_DID) so that this NPort gets RSCN events from the
+		 * fabric.
+		 */
+		lpfc_issue_els_scr(phba, SCR_DID, 0);
+
+		/* Allocate a new node instance.  If the pool is empty, just
+		 * start the discovery process and skip the Nameserver login
+		 * process.  This is attempted again later on.  Otherwise, issue
+		 * a Port Login (PLOGI) to the NameServer
+		 */
+		if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
+		    == 0) {
+			lpfc_disc_start(phba);
+		} else {
+			lpfc_nlp_init(phba, ndlp, NameServer_DID);
+			ndlp->nlp_type |= NLP_FABRIC;
+			ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
+			lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
+			lpfc_issue_els_plogi(phba, ndlp, 0);
+			if (phba->cfg_fdmi_on) {
+				if ((ndlp_fdmi = mempool_alloc(
+						       phba->nlp_mem_pool,
+						       GFP_KERNEL))) {
+					lpfc_nlp_init(phba, ndlp_fdmi,
+						FDMI_DID);
+					ndlp_fdmi->nlp_type |= NLP_FABRIC;
+					ndlp_fdmi->nlp_state =
+					    NLP_STE_PLOGI_ISSUE;
+					lpfc_issue_els_plogi(phba, ndlp_fdmi,
+							     0);
+				}
+			}
+		}
+	}
+
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free( pmb, phba->mbox_mem_pool);
+
+	return;
+}
+
+/*
+ * This routine handles processing a NameServer REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+	struct lpfc_dmabuf *mp;
+	struct lpfc_nodelist *ndlp;
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+
+	ndlp = (struct lpfc_nodelist *) pmb->context2;
+	mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+	if (mb->mbxStatus) {
+		lpfc_mbuf_free(phba, mp->virt, mp->phys);
+		kfree(mp);
+		mempool_free( pmb, phba->mbox_mem_pool);
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+
+		/* RegLogin failed, so just use loop map to make discovery
+		   list */
+		lpfc_disc_list_loopmap(phba);
+
+		/* Start discovery */
+		lpfc_disc_start(phba);
+		return;
+	}
+
+	pmb->context1 = NULL;
+
+	if (ndlp->nlp_rpi != 0)
+		lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+	ndlp->nlp_rpi = mb->un.varWords[0];
+	lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+	ndlp->nlp_type |= NLP_FABRIC;
+	ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+	lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+	if (phba->hba_state < LPFC_HBA_READY) {
+		/* Link up discovery requires Fabrib registration. */
+		lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
+		lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
+		lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
+	}
+
+	phba->fc_ns_retry = 0;
+	/* Good status, issue CT Request to NameServer */
+	if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
+		/* Cannot issue NameServer Query, so finish up discovery */
+		lpfc_disc_start(phba);
+	}
+
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free( pmb, phba->mbox_mem_pool);
+
+	return;
+}
+
+static void
+lpfc_register_remote_port(struct lpfc_hba * phba,
+			    struct lpfc_nodelist * ndlp)
+{
+	struct fc_rport *rport;
+	struct lpfc_rport_data *rdata;
+	struct fc_rport_identifiers rport_ids;
+	uint64_t wwn;
+
+	/* Remote port has reappeared. Re-register w/ FC transport */
+	memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t));
+	rport_ids.node_name = be64_to_cpu(wwn);
+	memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t));
+	rport_ids.port_name = be64_to_cpu(wwn);
+	rport_ids.port_id = ndlp->nlp_DID;
+	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
+	if (ndlp->nlp_type & NLP_FCP_TARGET)
+		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
+	if (ndlp->nlp_type & NLP_FCP_INITIATOR)
+		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+
+	ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
+	if (!rport) {
+		dev_printk(KERN_WARNING, &phba->pcidev->dev,
+			   "Warning: fc_remote_port_add failed\n");
+		return;
+	}
+
+	/* initialize static port data */
+	rport->maxframe_size = ndlp->nlp_maxframe;
+	rport->supported_classes = ndlp->nlp_class_sup;
+	if ((rport->scsi_target_id != -1) &&
+		(rport->scsi_target_id < MAX_FCP_TARGET)) {
+		ndlp->nlp_sid = rport->scsi_target_id;
+	}
+	rdata = rport->dd_data;
+	rdata->pnode = ndlp;
+
+	return;
+}
+
+int
+lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
+{
+	enum { none, unmapped, mapped } rport_add = none, rport_del = none;
+	struct lpfc_sli      *psli;
+
+	psli = &phba->sli;
+	/* Sanity check to ensure we are not moving to / from the same list */
+	if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
+		if (list != NLP_NO_LIST)
+			return(0);
+	}
+
+	switch(nlp->nlp_flag & NLP_LIST_MASK) {
+	case NLP_NO_LIST: /* Not on any list */
+		break;
+	case NLP_UNUSED_LIST:
+		phba->fc_unused_cnt--;
+		list_del(&nlp->nlp_listp);
+		break;
+	case NLP_PLOGI_LIST:
+		phba->fc_plogi_cnt--;
+		list_del(&nlp->nlp_listp);
+		break;
+	case NLP_ADISC_LIST:
+		phba->fc_adisc_cnt--;
+		list_del(&nlp->nlp_listp);
+		break;
+	case NLP_REGLOGIN_LIST:
+		phba->fc_reglogin_cnt--;
+		list_del(&nlp->nlp_listp);
+		break;
+	case NLP_PRLI_LIST:
+		phba->fc_prli_cnt--;
+		list_del(&nlp->nlp_listp);
+		break;
+	case NLP_UNMAPPED_LIST:
+		phba->fc_unmap_cnt--;
+		list_del(&nlp->nlp_listp);
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
+		nlp->nlp_type &= ~NLP_FC_NODE;
+		spin_unlock_irq(phba->host->host_lock);
+		phba->nport_event_cnt++;
+		if (nlp->rport)
+			rport_del = unmapped;
+		break;
+	case NLP_MAPPED_LIST:
+		phba->fc_map_cnt--;
+		list_del(&nlp->nlp_listp);
+		phba->nport_event_cnt++;
+		if (nlp->rport)
+			rport_del = mapped;
+		break;
+	case NLP_NPR_LIST:
+		phba->fc_npr_cnt--;
+		list_del(&nlp->nlp_listp);
+		/* Stop delay tmo if taking node off NPR list */
+		if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
+		   (list != NLP_NPR_LIST)) {
+			spin_lock_irq(phba->host->host_lock);
+			nlp->nlp_flag &= ~NLP_DELAY_TMO;
+			spin_unlock_irq(phba->host->host_lock);
+			del_timer_sync(&nlp->nlp_delayfunc);
+			if (!list_empty(&nlp->els_retry_evt.evt_listp))
+				list_del_init(&nlp->els_retry_evt.evt_listp);
+		}
+		break;
+	}
+
+	spin_lock_irq(phba->host->host_lock);
+	nlp->nlp_flag &= ~NLP_LIST_MASK;
+	spin_unlock_irq(phba->host->host_lock);
+
+	/* Add NPort <did> to <num> list */
+	lpfc_printf_log(phba,
+			KERN_INFO,
+			LOG_NODE,
+			"%d:0904 Add NPort x%x to %d list Data: x%x\n",
+			phba->brd_no,
+			nlp->nlp_DID, list, nlp->nlp_flag);
+
+	switch(list) {
+	case NLP_NO_LIST: /* No list, just remove it */
+		lpfc_nlp_remove(phba, nlp);
+		break;
+	case NLP_UNUSED_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the unused list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
+		phba->fc_unused_cnt++;
+		break;
+	case NLP_PLOGI_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the plogi list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
+		phba->fc_plogi_cnt++;
+		break;
+	case NLP_ADISC_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the adisc list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
+		phba->fc_adisc_cnt++;
+		break;
+	case NLP_REGLOGIN_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the reglogin list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
+		phba->fc_reglogin_cnt++;
+		break;
+	case NLP_PRLI_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the prli list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
+		phba->fc_prli_cnt++;
+		break;
+	case NLP_UNMAPPED_LIST:
+		rport_add = unmapped;
+		/* ensure all vestiges of "mapped" significance are gone */
+		nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the unmap list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
+		phba->fc_unmap_cnt++;
+		phba->nport_event_cnt++;
+		/* stop nodev tmo if running */
+		if (nlp->nlp_flag & NLP_NODEV_TMO) {
+			spin_lock_irq(phba->host->host_lock);
+			nlp->nlp_flag &= ~NLP_NODEV_TMO;
+			spin_unlock_irq(phba->host->host_lock);
+			del_timer_sync(&nlp->nlp_tmofunc);
+			if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+				list_del_init(&nlp->nodev_timeout_evt.
+						evt_listp);
+
+		}
+		nlp->nlp_type |= NLP_FC_NODE;
+		break;
+	case NLP_MAPPED_LIST:
+		rport_add = mapped;
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the map list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
+		phba->fc_map_cnt++;
+		phba->nport_event_cnt++;
+		/* stop nodev tmo if running */
+		if (nlp->nlp_flag & NLP_NODEV_TMO) {
+			nlp->nlp_flag &= ~NLP_NODEV_TMO;
+			del_timer_sync(&nlp->nlp_tmofunc);
+			if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+				list_del_init(&nlp->nodev_timeout_evt.
+						evt_listp);
+
+		}
+		break;
+	case NLP_NPR_LIST:
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= list;
+		spin_unlock_irq(phba->host->host_lock);
+		/* Put it at the end of the npr list */
+		list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
+		phba->fc_npr_cnt++;
+
+		/*
+		 * Sanity check for Fabric entity.
+		 * Set nodev_tmo for NPR state, for Fabric use 1 sec.
+		 */
+		if (nlp->nlp_type & NLP_FABRIC) {
+			mod_timer(&nlp->nlp_tmofunc, jiffies + HZ);
+		}
+		else {
+			mod_timer(&nlp->nlp_tmofunc,
+			    jiffies + HZ * phba->cfg_nodev_tmo);
+		}
+		spin_lock_irq(phba->host->host_lock);
+		nlp->nlp_flag |= NLP_NODEV_TMO;
+		nlp->nlp_flag &= ~NLP_RCV_PLOGI;
+		spin_unlock_irq(phba->host->host_lock);
+		break;
+	case NLP_JUST_DQ:
+		break;
+	}
+
+	/*
+	 * We make all the calls into the transport after we have
+	 * moved the node between lists. This so that we don't
+	 * release the lock while in-between lists.
+	 */
+
+	/* Don't upcall midlayer if we're unloading */
+	if (!(phba->fc_flag & FC_UNLOADING)) {
+		/*
+		 * We revalidate the rport pointer as the "add" function
+		 * may have removed the remote port.
+		 */
+		if ((rport_del != none) && nlp->rport)
+			fc_remote_port_block(nlp->rport);
+
+		if (rport_add != none) {
+			/*
+			 * Tell the fc transport about the port, if we haven't
+			 * already. If we have, and it's a scsi entity, be
+			 * sure to unblock any attached scsi devices
+			 */
+			if (!nlp->rport)
+				lpfc_register_remote_port(phba, nlp);
+			else
+				fc_remote_port_unblock(nlp->rport);
+
+			/*
+			 * if we added to Mapped list, but the remote port
+			 * registration failed or assigned a target id outside
+			 * our presentable range - move the node to the
+			 * Unmapped List
+			 */
+			if ((rport_add == mapped) &&
+			    ((!nlp->rport) ||
+			     (nlp->rport->scsi_target_id == -1) ||
+			     (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
+				nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+				spin_lock_irq(phba->host->host_lock);
+				nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
+				spin_unlock_irq(phba->host->host_lock);
+				lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
+			}
+		}
+	}
+	return (0);
+}
+
+/*
+ * Start / ReStart rescue timer for Discovery / RSCN handling
+ */
+void
+lpfc_set_disctmo(struct lpfc_hba * phba)
+{
+	uint32_t tmo;
+
+	tmo = ((phba->fc_ratov * 2) + 1);
+
+	mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
+	spin_lock_irq(phba->host->host_lock);
+	phba->fc_flag |= FC_DISC_TMO;
+	spin_unlock_irq(phba->host->host_lock);
+
+	/* Start Discovery Timer state <hba_state> */
+	lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+			"%d:0247 Start Discovery Timer state x%x "
+			"Data: x%x x%lx x%x x%x\n",
+			phba->brd_no,
+			phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
+			phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+	return;
+}
+
+/*
+ * Cancel rescue timer for Discovery / RSCN handling
+ */
+int
+lpfc_can_disctmo(struct lpfc_hba * phba)
+{
+	/* Turn off discovery timer if its running */
+	if (phba->fc_flag & FC_DISC_TMO) {
+		spin_lock_irq(phba->host->host_lock);
+		phba->fc_flag &= ~FC_DISC_TMO;
+		spin_unlock_irq(phba->host->host_lock);
+		del_timer_sync(&phba->fc_disctmo);
+		phba->work_hba_events &= ~WORKER_DISC_TMO;
+	}
+
+	/* Cancel Discovery Timer state <hba_state> */
+	lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+			"%d:0248 Cancel Discovery Timer state x%x "
+			"Data: x%x x%x x%x\n",
+			phba->brd_no, phba->hba_state, phba->fc_flag,
+			phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+	return (0);
+}
+
+/*
+ * Check specified ring for outstanding IOCB on the SLI queue
+ * Return true if iocb matches the specified nport
+ */
+int
+lpfc_check_sli_ndlp(struct lpfc_hba * phba,
+		    struct lpfc_sli_ring * pring,
+		    struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
+{
+	struct lpfc_sli *psli;
+	IOCB_t *icmd;
+
+	psli = &phba->sli;
+	icmd = &iocb->iocb;
+	if (pring->ringno == LPFC_ELS_RING) {
+		switch (icmd->ulpCommand) {
+		case CMD_GEN_REQUEST64_CR:
+			if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
+				return (1);
+		case CMD_ELS_REQUEST64_CR:
+		case CMD_XMIT_ELS_RSP64_CX:
+			if (iocb->context1 == (uint8_t *) ndlp)
+				return (1);
+		}
+	} else if (pring->ringno == psli->ip_ring) {
+
+	} else if (pring->ringno == psli->fcp_ring) {
+		/* Skip match check if waiting to relogin to FCP target */
+		if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
+		  (ndlp->nlp_flag & NLP_DELAY_TMO)) {
+			return (0);
+		}
+		if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
+			return (1);
+		}
+	} else if (pring->ringno == psli->next_ring) {
+
+	}
+	return (0);
+}
+
+/*
+ * Free resources / clean up outstanding I/Os
+ * associated with nlp_rpi in the LPFC_NODELIST entry.
+ */
+static int
+lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+	struct lpfc_sli *psli;
+	struct lpfc_sli_ring *pring;
+	struct lpfc_iocbq *iocb, *next_iocb;
+	IOCB_t *icmd;
+	uint32_t rpi, i;
+
+	/*
+	 * Everything that matches on txcmplq will be returned
+	 * by firmware with a no rpi error.
+	 */
+	psli = &phba->sli;
+	rpi = ndlp->nlp_rpi;
+	if (rpi) {
+		/* Now process each ring */
+		for (i = 0; i < psli->num_rings; i++) {
+			pring = &psli->ring[i];
+
+			spin_lock_irq(phba->host->host_lock);
+			list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
+						list) {
+				/*
+				 * Check to see if iocb matches the nport we are
+				 * looking for
+				 */
+				if ((lpfc_check_sli_ndlp
+				     (phba, pring, iocb, ndlp))) {
+					/* It matches, so deque and call compl
+					   with an error */
+					list_del(&iocb->list);
+					pring->txq_cnt--;
+					if (iocb->iocb_cmpl) {
+						icmd = &iocb->iocb;
+						icmd->ulpStatus =
+						    IOSTAT_LOCAL_REJECT;
+						icmd->un.ulpWord[4] =
+						    IOERR_SLI_ABORTED;
+						spin_unlock_irq(phba->host->
+								host_lock);
+						(iocb->iocb_cmpl) (phba,
+								   iocb, iocb);
+						spin_lock_irq(phba->host->
+							      host_lock);
+					} else {
+						list_add_tail(&iocb->list,
+							&phba->lpfc_iocb_list);
+					}
+				}
+			}
+			spin_unlock_irq(phba->host->host_lock);
+
+		}
+	}
+	return (0);
+}
+
+/*
+ * Free rpi associated with LPFC_NODELIST entry.
+ * This routine is called from lpfc_freenode(), when we are removing
+ * a LPFC_NODELIST entry. It is also called if the driver initiates a
+ * LOGO that completes successfully, and we are waiting to PLOGI back
+ * to the remote NPort. In addition, it is called after we receive
+ * and unsolicated ELS cmd, send back a rsp, the rsp completes and
+ * we are waiting to PLOGI back to the remote NPort.
+ */
+int
+lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+	LPFC_MBOXQ_t *mbox;
+	int rc;
+
+	if (ndlp->nlp_rpi) {
+		if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+			lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
+			mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+			rc = lpfc_sli_issue_mbox
+				    (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
+			if (rc == MBX_NOT_FINISHED)
+				mempool_free( mbox, phba->mbox_mem_pool);
+		}
+		lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+		lpfc_no_rpi(phba, ndlp);
+		ndlp->nlp_rpi = 0;
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * Free resources associated with LPFC_NODELIST entry
+ * so it can be freed.
+ */
+static int
+lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+	LPFC_MBOXQ_t       *mb;
+	LPFC_MBOXQ_t       *nextmb;
+	struct lpfc_dmabuf *mp;
+	struct fc_rport *rport;
+
+	/* Cleanup node for NPort <nlp_DID> */
+	lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+			"%d:0900 Cleanup node for NPort x%x "
+			"Data: x%x x%x x%x\n",
+			phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+			ndlp->nlp_state, ndlp->nlp_rpi);
+
+	lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
+
+	/*
+	 * if unloading the driver - just leave the remote port in place.
+	 * The driver unload will force the attached devices to detach
+	 * and flush cache's w/o generating flush errors.
+	 */
+	if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
+		rport = ndlp->rport;
+		ndlp->rport = NULL;
+		fc_remote_port_unblock(rport);
+		fc_remote_port_delete(rport);
+		ndlp->nlp_sid = NLP_NO_SID;
+	}
+
+	/* cleanup any ndlp on mbox q waiting for reglogin cmpl */
+	if ((mb = phba->sli.mbox_active)) {
+		if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+		   (ndlp == (struct lpfc_nodelist *) mb->context2)) {
+			mb->context2 = NULL;
+			mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		}
+	}
+	list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
+		if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+		   (ndlp == (struct lpfc_nodelist *) mb->context2)) {
+			mp = (struct lpfc_dmabuf *) (mb->context1);
+			if (mp) {
+				lpfc_mbuf_free(phba, mp->virt, mp->phys);
+				kfree(mp);
+			}
+			list_del(&mb->list);
+			mempool_free(mb, phba->mbox_mem_pool);
+		}
+	}
+
+	lpfc_els_abort(phba,ndlp,0);
+	spin_lock_irq(phba->host->host_lock);
+	ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO);
+	spin_unlock_irq(phba->host->host_lock);
+	del_timer_sync(&ndlp->nlp_tmofunc);
+
+	del_timer_sync(&ndlp->nlp_delayfunc);
+
+	if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
+		list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
+	if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+		list_del_init(&ndlp->els_retry_evt.evt_listp);
+
+	lpfc_unreg_rpi(phba, ndlp);
+
+	return (0);
+}
+
+/*
+ * Check to see if we can free the nlp back to the freelist.
+ * If we are in the middle of using the nlp in the discovery state
+ * machine, defer the free till we reach the end of the state machine.
+ */
+int
+lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+	if (ndlp->nlp_flag & NLP_NODEV_TMO) {
+		spin_lock_irq(phba->host->host_lock);
+		ndlp->nlp_flag &= ~NLP_NODEV_TMO;
+		spin_unlock_irq(phba->host->host_lock);
+		del_timer_sync(&ndlp->nlp_tmofunc);
+		if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
+			list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
+
+	}
+
+
+	if (ndlp->nlp_flag & NLP_DELAY_TMO) {
+		spin_lock_irq(phba->host->host_lock);
+		ndlp->nlp_flag &= ~NLP_DELAY_TMO;
+		spin_unlock_irq(phba->host->host_lock);
+		del_timer_sync(&ndlp->nlp_delayfunc);
+		if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+			list_del_init(&ndlp->els_retry_evt.evt_listp);
+	}
+
+	if (ndlp->nlp_disc_refcnt) {
+		spin_lock_irq(phba->host->host_lock);
+		ndlp->nlp_flag |= NLP_DELAY_REMOVE;
+		spin_unlock_irq(phba->host->host_lock);
+	}
+	else {
+		lpfc_freenode(phba, ndlp);
+		mempool_free( ndlp, phba->nlp_mem_pool);
+	}
+	return(0);
+}
+
+static int
+lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
+{
+	D_ID mydid;
+	D_ID ndlpdid;
+	D_ID matchdid;
+
+	if (did == Bcast_DID)
+		return (0);
+
+	if (ndlp->nlp_DID == 0) {
+		return (0);
+	}
+
+	/* First check for Direct match */
+	if (ndlp->nlp_DID == did)
+		return (1);
+
+	/* Next check for area/domain identically equals 0 match */
+	mydid.un.word = phba->fc_myDID;
+	if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
+		return (0);
+	}
+
+	matchdid.un.word = did;
+	ndlpdid.un.word = ndlp->nlp_DID;
+	if (matchdid.un.b.id == ndlpdid.un.b.id) {
+		if ((mydid.un.b.domain == matchdid.un.b.domain) &&
+		    (mydid.un.b.area == matchdid.un.b.area)) {
+			if ((ndlpdid.un.b.domain == 0) &&
+			    (ndlpdid.un.b.area == 0)) {
+				if (ndlpdid.un.b.id)
+					return (1);
+			}
+			return (0);
+		}
+
+		matchdid.un.word = ndlp->nlp_DID;
+		if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
+		    (mydid.un.b.area == ndlpdid.un.b.area)) {
+			if ((matchdid.un.b.domain == 0) &&
+			    (matchdid.un.b.area == 0)) {
+				if (matchdid.un.b.id)
+					return (1);
+			}
+		}
+	}
+	return (0);
+}
+
+/* Search for a nodelist entry on a specific list */
+struct lpfc_nodelist *
+lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
+{
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+	uint32_t data1;
+
+	if (order & NLP_SEARCH_UNMAPPED) {
+		list_for_each_entry_safe(ndlp, next_ndlp,
+					 &phba->fc_nlpunmap_list, nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* FIND node DID unmapped */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0929 FIND node DID unmapped"
+						" Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_MAPPED) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* FIND node DID mapped */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0930 FIND node DID mapped "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_PLOGI) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to PLOGI */
+				/* FIND node DID plogi */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0908 FIND node DID plogi "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_ADISC) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to ADISC */
+				/* FIND node DID adisc */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0931 FIND node DID adisc "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_REGLOGIN) {
+		list_for_each_entry_safe(ndlp, next_ndlp,
+					 &phba->fc_reglogin_list, nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to REGLOGIN */
+				/* FIND node DID reglogin */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0931 FIND node DID reglogin"
+						" Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_PRLI) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to PRLI */
+				/* FIND node DID prli */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0931 FIND node DID prli "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_NPR) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to NPR */
+				/* FIND node DID npr */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0931 FIND node DID npr "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	if (order & NLP_SEARCH_UNUSED) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+					nlp_listp) {
+			if (lpfc_matchdid(phba, ndlp, did)) {
+
+				data1 = (((uint32_t) ndlp->nlp_state << 24) |
+					 ((uint32_t) ndlp->nlp_xri << 16) |
+					 ((uint32_t) ndlp->nlp_type << 8) |
+					 ((uint32_t) ndlp->nlp_rpi & 0xff));
+				/* LOG change to UNUSED */
+				/* FIND node DID unused */
+				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+						"%d:0931 FIND node DID unused "
+						"Data: x%p x%x x%x x%x\n",
+						phba->brd_no,
+						ndlp, ndlp->nlp_DID,
+						ndlp->nlp_flag, data1);
+				return (ndlp);
+			}
+		}
+	}
+
+	/* FIND node did <did> NOT FOUND */
+	lpfc_printf_log(phba,
+			KERN_INFO,
+			LOG_NODE,
+			"%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
+			phba->brd_no, did, order);
+
+	/* no match found */
+	return NULL;
+}
+
+struct lpfc_nodelist *
+lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
+{
+	struct lpfc_nodelist *ndlp;
+	uint32_t flg;
+
+	if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
+		if ((phba->hba_state == LPFC_HBA_READY) &&
+		   ((lpfc_rscn_payload_check(phba, did) == 0)))
+			return NULL;
+		ndlp = (struct lpfc_nodelist *)
+		     mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
+		if (!ndlp)
+			return NULL;
+		lpfc_nlp_init(phba, ndlp, did);
+		ndlp->nlp_state = NLP_STE_NPR_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
+		ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+		return ndlp;
+	}
+	if ((phba->hba_state == LPFC_HBA_READY) &&
+	    (phba->fc_flag & FC_RSCN_MODE)) {
+		if (lpfc_rscn_payload_check(phba, did)) {
+			ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+		}
+		else {
+			ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+			ndlp = NULL;
+		}
+	}
+	else {
+		flg = ndlp->nlp_flag & NLP_LIST_MASK;
+		if ((flg == NLP_ADISC_LIST) ||
+		(flg == NLP_PLOGI_LIST)) {
+			return NULL;
+		}
+		ndlp->nlp_state = NLP_STE_NPR_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
+		ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+	}
+	return ndlp;
+}
+
+/* Build a list of nodes to discover based on the loopmap */
+void
+lpfc_disc_list_loopmap(struct lpfc_hba * phba)
+{
+	int j;
+	uint32_t alpa, index;
+
+	if (phba->hba_state <= LPFC_LINK_DOWN) {
+		return;
+	}
+	if (phba->fc_topology != TOPOLOGY_LOOP) {
+		return;
+	}
+
+	/* Check for loop map present or not */
+	if (phba->alpa_map[0]) {
+		for (j = 1; j <= phba->alpa_map[0]; j++) {
+			alpa = phba->alpa_map[j];
+
+			if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
+				continue;
+			}
+			lpfc_setup_disc_node(phba, alpa);
+		}
+	} else {
+		/* No alpamap, so try all alpa's */
+		for (j = 0; j < FC_MAXLOOP; j++) {
+			/* If cfg_scan_down is set, start from highest
+			 * ALPA (0xef) to lowest (0x1).
+			 */
+			if (phba->cfg_scan_down)
+				index = j;
+			else
+				index = FC_MAXLOOP - j - 1;
+			alpa = lpfcAlpaArray[index];
+			if ((phba->fc_myDID & 0xff) == alpa) {
+				continue;
+			}
+
+			lpfc_setup_disc_node(phba, alpa);
+		}
+	}
+	return;
+}
+
+/* Start Link up / RSCN discovery on NPR list */
+void
+lpfc_disc_start(struct lpfc_hba * phba)
+{
+	struct lpfc_sli *psli;
+	LPFC_MBOXQ_t *mbox;
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+	uint32_t did_changed, num_sent;
+	uint32_t clear_la_pending;
+	int rc;
+
+	psli = &phba->sli;
+
+	if (phba->hba_state <= LPFC_LINK_DOWN) {
+		return;
+	}
+	if (phba->hba_state == LPFC_CLEAR_LA)
+		clear_la_pending = 1;
+	else
+		clear_la_pending = 0;
+
+	if (phba->hba_state < LPFC_HBA_READY) {
+		phba->hba_state = LPFC_DISC_AUTH;
+	}
+	lpfc_set_disctmo(phba);
+
+	if (phba->fc_prevDID == phba->fc_myDID) {
+		did_changed = 0;
+	} else {
+		did_changed = 1;
+	}
+	phba->fc_prevDID = phba->fc_myDID;
+	phba->num_disc_nodes = 0;
+
+	/* Start Discovery state <hba_state> */
+	lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+			"%d:0202 Start Discovery hba state x%x "
+			"Data: x%x x%x x%x\n",
+			phba->brd_no, phba->hba_state, phba->fc_flag,
+			phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+	/* If our did changed, we MUST do PLOGI */
+	list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+				nlp_listp) {
+		if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+			if (did_changed) {
+				spin_lock_irq(phba->host->host_lock);
+				ndlp->nlp_flag &= ~NLP_NPR_ADISC;
+				spin_unlock_irq(phba->host->host_lock);
+			}
+		}
+	}
+
+	/* First do ADISCs - if any */
+	num_sent = lpfc_els_disc_adisc(phba);
+
+	if (num_sent)
+		return;
+
+	if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
+		/* If we get here, there is nothing to ADISC */
+		if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+			phba->hba_state = LPFC_CLEAR_LA;
+			lpfc_clear_la(phba, mbox);
+			mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+			rc = lpfc_sli_issue_mbox(phba, mbox,
+						 (MBX_NOWAIT | MBX_STOP_IOCB));
+			if (rc == MBX_NOT_FINISHED) {
+				mempool_free( mbox, phba->mbox_mem_pool);
+				lpfc_disc_flush_list(phba);
+				psli->ring[(psli->ip_ring)].flag &=
+					~LPFC_STOP_IOCB_EVENT;
+				psli->ring[(psli->fcp_ring)].flag &=
+					~LPFC_STOP_IOCB_EVENT;
+				psli->ring[(psli->next_ring)].flag &=
+					~LPFC_STOP_IOCB_EVENT;
+				phba->hba_state = LPFC_HBA_READY;
+			}
+		}
+	} else {
+		/* Next do PLOGIs - if any */
+		num_sent = lpfc_els_disc_plogi(phba);
+
+		if (num_sent)
+			return;
+
+		if (phba->fc_flag & FC_RSCN_MODE) {
+			/* Check to see if more RSCNs came in while we
+			 * were processing this one.
+			 */
+			if ((phba->fc_rscn_id_cnt == 0) &&
+			    (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
+				spin_lock_irq(phba->host->host_lock);
+				phba->fc_flag &= ~FC_RSCN_MODE;
+				spin_unlock_irq(phba->host->host_lock);
+			}
+			else
+				lpfc_els_handle_rscn(phba);
+		}
+	}
+	return;
+}
+
+/*
+ *  Ignore completion for all IOCBs on tx and txcmpl queue for ELS
+ *  ring the match the sppecified nodelist.
+ */
+static void
+lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+	struct lpfc_sli *psli;
+	IOCB_t     *icmd;
+	struct lpfc_iocbq    *iocb, *next_iocb;
+	struct lpfc_sli_ring *pring;
+	struct lpfc_dmabuf   *mp;
+
+	psli = &phba->sli;
+	pring = &psli->ring[LPFC_ELS_RING];
+
+	/* Error matching iocb on txq or txcmplq
+	 * First check the txq.
+	 */
+	list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
+		if (iocb->context1 != ndlp) {
+			continue;
+		}
+		icmd = &iocb->iocb;
+		if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
+		    (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
+
+			list_del(&iocb->list);
+			pring->txq_cnt--;
+			lpfc_els_free_iocb(phba, iocb);
+		}
+	}
+
+	/* Next check the txcmplq */
+	list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
+		if (iocb->context1 != ndlp) {
+			continue;
+		}
+		icmd = &iocb->iocb;
+		if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
+		    (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
+
+			iocb->iocb_cmpl = NULL;
+			/* context2 = cmd, context2->next = rsp, context3 =
+			   bpl */
+			if (iocb->context2) {
+				/* Free the response IOCB before handling the
+				   command. */
+
+				mp = (struct lpfc_dmabuf *) (iocb->context2);
+				mp = list_get_first(&mp->list,
+						    struct lpfc_dmabuf,
+						    list);
+				if (mp) {
+					/* Delay before releasing rsp buffer to
+					 * give UNREG mbox a chance to take
+					 * effect.
+					 */
+					list_add(&mp->list,
+						&phba->freebufList);
+				}
+				lpfc_mbuf_free(phba,
+					       ((struct lpfc_dmabuf *)
+						iocb->context2)->virt,
+					       ((struct lpfc_dmabuf *)
+						iocb->context2)->phys);
+				kfree(iocb->context2);
+			}
+
+			if (iocb->context3) {
+				lpfc_mbuf_free(phba,
+					       ((struct lpfc_dmabuf *)
+						iocb->context3)->virt,
+					       ((struct lpfc_dmabuf *)
+						iocb->context3)->phys);
+				kfree(iocb->context3);
+			}
+		}
+	}
+
+	return;
+}
+
+void
+lpfc_disc_flush_list(struct lpfc_hba * phba)
+{
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+
+	if (phba->fc_plogi_cnt) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
+					nlp_listp) {
+			lpfc_free_tx(phba, ndlp);
+			lpfc_nlp_remove(phba, ndlp);
+		}
+	}
+	if (phba->fc_adisc_cnt) {
+		list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+					nlp_listp) {
+			lpfc_free_tx(phba, ndlp);
+			lpfc_nlp_remove(phba, ndlp);
+		}
+	}
+	return;
+}
+
+/*****************************************************************************/
+/*
+ * NAME:     lpfc_disc_timeout
+ *
+ * FUNCTION: Fibre Channel driver discovery timeout routine.
+ *
+ * EXECUTION ENVIRONMENT: interrupt only
+ *
+ * CALLED FROM:
+ *      Timer function
+ *
+ * RETURNS:
+ *      none
+ */
+/*****************************************************************************/
+void
+lpfc_disc_timeout(unsigned long ptr)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+	unsigned long flags = 0;
+
+	if (unlikely(!phba))
+		return;
+
+	spin_lock_irqsave(phba->host->host_lock, flags);
+	if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
+		phba->work_hba_events |= WORKER_DISC_TMO;
+		if (phba->work_wait)
+			wake_up(phba->work_wait);
+	}
+	spin_unlock_irqrestore(phba->host->host_lock, flags);
+	return;
+}
+
+static void
+lpfc_disc_timeout_handler(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli;
+	struct lpfc_nodelist *ndlp;
+	LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
+	int rc, clrlaerr = 0;
+
+	if (unlikely(!phba))
+		return;
+
+	if (!(phba->fc_flag & FC_DISC_TMO))
+		return;
+
+	psli = &phba->sli;
+
+	spin_lock_irq(phba->host->host_lock);
+	phba->fc_flag &= ~FC_DISC_TMO;
+	spin_unlock_irq(phba->host->host_lock);
+
+	switch (phba->hba_state) {
+
+	case LPFC_LOCAL_CFG_LINK:
+	/* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
+		/* FAN timeout */
+		lpfc_printf_log(phba,
+				 KERN_WARNING,
+				 LOG_DISCOVERY,
+				 "%d:0221 FAN timeout\n",
+				 phba->brd_no);
+
+		/* Forget about FAN, Start discovery by sending a FLOGI
+		 * hba_state is identically LPFC_FLOGI while waiting for FLOGI
+		 * cmpl
+		 */
+		phba->hba_state = LPFC_FLOGI;
+		lpfc_set_disctmo(phba);
+		lpfc_initial_flogi(phba);
+		break;
+
+	case LPFC_FLOGI:
+	/* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
+		/* Initial FLOGI timeout */
+		lpfc_printf_log(phba,
+				 KERN_ERR,
+				 LOG_DISCOVERY,
+				 "%d:0222 Initial FLOGI timeout\n",
+				 phba->brd_no);
+
+		/* Assume no Fabric and go on with discovery.
+		 * Check for outstanding ELS FLOGI to abort.
+		 */
+
+		/* FLOGI failed, so just use loop map to make discovery list */
+		lpfc_disc_list_loopmap(phba);
+
+		/* Start discovery */
+		lpfc_disc_start(phba);
+		break;
+
+	case LPFC_FABRIC_CFG_LINK:
+	/* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
+	   NameServer login */
+		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+				"%d:0223 Timeout while waiting for NameServer "
+				"login\n", phba->brd_no);
+
+		/* Next look for NameServer ndlp */
+		ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
+		if (ndlp)
+			lpfc_nlp_remove(phba, ndlp);
+		/* Start discovery */
+		lpfc_disc_start(phba);
+		break;
+
+	case LPFC_NS_QRY:
+	/* Check for wait for NameServer Rsp timeout */
+		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+				"%d:0224 NameServer Query timeout "
+				"Data: x%x x%x\n",
+				phba->brd_no,
+				phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
+
+		ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
+								NameServer_DID);
+		if (ndlp) {
+			if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
+				/* Try it one more time */
+				rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
+				if (rc == 0)
+					break;
+			}
+			phba->fc_ns_retry = 0;
+		}
+
+		/* Nothing to authenticate, so CLEAR_LA right now */
+		clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+		if (!clearlambox) {
+			clrlaerr = 1;
+			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+					"%d:0226 Device Discovery "
+					"completion error\n",
+					phba->brd_no);
+			phba->hba_state = LPFC_HBA_ERROR;
+			break;
+		}
+
+		phba->hba_state = LPFC_CLEAR_LA;
+		lpfc_clear_la(phba, clearlambox);
+		clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+		rc = lpfc_sli_issue_mbox(phba, clearlambox,
+					 (MBX_NOWAIT | MBX_STOP_IOCB));
+		if (rc == MBX_NOT_FINISHED) {
+			mempool_free(clearlambox, phba->mbox_mem_pool);
+			clrlaerr = 1;
+			break;
+		}
+
+		/* Setup and issue mailbox INITIALIZE LINK command */
+		initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+		if (!initlinkmbox) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+					"%d:0226 Device Discovery "
+					"completion error\n",
+					phba->brd_no);
+			phba->hba_state = LPFC_HBA_ERROR;
+			break;
+		}
+
+		lpfc_linkdown(phba);
+		lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
+			       phba->cfg_link_speed);
+		initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
+		rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
+					 (MBX_NOWAIT | MBX_STOP_IOCB));
+		if (rc == MBX_NOT_FINISHED)
+			mempool_free(initlinkmbox, phba->mbox_mem_pool);
+
+		break;
+
+	case LPFC_DISC_AUTH:
+	/* Node Authentication timeout */
+		lpfc_printf_log(phba,
+				 KERN_ERR,
+				 LOG_DISCOVERY,
+				 "%d:0227 Node Authentication timeout\n",
+				 phba->brd_no);
+		lpfc_disc_flush_list(phba);
+		clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+		if (!clearlambox) {
+			clrlaerr = 1;
+			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+					"%d:0226 Device Discovery "
+					"completion error\n",
+					phba->brd_no);
+			phba->hba_state = LPFC_HBA_ERROR;
+			break;
+		}
+		phba->hba_state = LPFC_CLEAR_LA;
+		lpfc_clear_la(phba, clearlambox);
+		clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+		rc = lpfc_sli_issue_mbox(phba, clearlambox,
+					 (MBX_NOWAIT | MBX_STOP_IOCB));
+		if (rc == MBX_NOT_FINISHED) {
+			mempool_free(clearlambox, phba->mbox_mem_pool);
+			clrlaerr = 1;
+		}
+		break;
+
+	case LPFC_CLEAR_LA:
+	/* CLEAR LA timeout */
+		lpfc_printf_log(phba,
+				 KERN_ERR,
+				 LOG_DISCOVERY,
+				 "%d:0228 CLEAR LA timeout\n",
+				 phba->brd_no);
+		clrlaerr = 1;
+		break;
+
+	case LPFC_HBA_READY:
+		if (phba->fc_flag & FC_RSCN_MODE) {
+			lpfc_printf_log(phba,
+					KERN_ERR,
+					LOG_DISCOVERY,
+					"%d:0231 RSCN timeout Data: x%x x%x\n",
+					phba->brd_no,
+					phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
+
+			/* Cleanup any outstanding ELS commands */
+			lpfc_els_flush_cmd(phba);
+
+			lpfc_els_flush_rscn(phba);
+			lpfc_disc_flush_list(phba);
+		}
+		break;
+	}
+
+	if (clrlaerr) {
+		lpfc_disc_flush_list(phba);
+		psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+		psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+		psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+		phba->hba_state = LPFC_HBA_READY;
+	}
+
+	return;
+}
+
+static void
+lpfc_nodev_timeout(unsigned long ptr)
+{
+	struct lpfc_hba *phba;
+	struct lpfc_nodelist *ndlp;
+	unsigned long iflag;
+	struct lpfc_work_evt  *evtp;
+
+	ndlp = (struct lpfc_nodelist *)ptr;
+	phba = ndlp->nlp_phba;
+	evtp = &ndlp->nodev_timeout_evt;
+	spin_lock_irqsave(phba->host->host_lock, iflag);
+
+	if (!list_empty(&evtp->evt_listp)) {
+		spin_unlock_irqrestore(phba->host->host_lock, iflag);
+		return;
+	}
+	evtp->evt_arg1  = ndlp;
+	evtp->evt       = LPFC_EVT_NODEV_TMO;
+	list_add_tail(&evtp->evt_listp, &phba->work_list);
+	if (phba->work_wait)
+		wake_up(phba->work_wait);
+
+	spin_unlock_irqrestore(phba->host->host_lock, iflag);
+	return;
+}
+
+
+/*
+ * This routine handles processing a NameServer REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+	struct lpfc_sli *psli;
+	MAILBOX_t *mb;
+	struct lpfc_dmabuf *mp;
+	struct lpfc_nodelist *ndlp;
+
+	psli = &phba->sli;
+	mb = &pmb->mb;
+
+	ndlp = (struct lpfc_nodelist *) pmb->context2;
+	mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+	pmb->context1 = NULL;
+
+	if (ndlp->nlp_rpi != 0)
+		lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+	ndlp->nlp_rpi = mb->un.varWords[0];
+	lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+	ndlp->nlp_type |= NLP_FABRIC;
+	ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+	lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+	/* Start issuing Fabric-Device Management Interface (FDMI)
+	 * command to 0xfffffa (FDMI well known port)
+	 */
+	if (phba->cfg_fdmi_on == 1) {
+		lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
+	} else {
+		/*
+		 * Delay issuing FDMI command if fdmi-on=2
+		 * (supporting RPA/hostnmae)
+		 */
+		mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
+	}
+
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	mempool_free( pmb, phba->mbox_mem_pool);
+
+	return;
+}
+
+/*
+ * This routine looks up the ndlp hash
+ * table for the given RPI. If rpi found
+ * it return the node list pointer
+ * else return 0.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
+{
+	struct lpfc_nodelist *ret;
+
+	ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
+	while ((ret != 0) && (ret->nlp_rpi != rpi)) {
+		ret = ret->nlp_rpi_hash_next;
+	}
+	return ret;
+}
+
+/*
+ * This routine looks up the ndlp hash table for the
+ * given RPI. If rpi found it return the node list
+ * pointer else return 0 after deleting the entry
+ * from hash table.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_remove_rpi(struct lpfc_hba * phba, uint16_t rpi)
+{
+	struct lpfc_nodelist *ret, *temp;;
+
+	ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
+	if (ret == 0)
+		return NULL;
+
+	if (ret->nlp_rpi == rpi) {
+		phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)] =
+		    ret->nlp_rpi_hash_next;
+		ret->nlp_rpi_hash_next = NULL;
+		return ret;
+	}
+
+	while ((ret->nlp_rpi_hash_next != 0) &&
+	       (ret->nlp_rpi_hash_next->nlp_rpi != rpi)) {
+		ret = ret->nlp_rpi_hash_next;
+	}
+
+	if (ret->nlp_rpi_hash_next != 0) {
+		temp = ret->nlp_rpi_hash_next;
+		ret->nlp_rpi_hash_next = temp->nlp_rpi_hash_next;
+		temp->nlp_rpi_hash_next = NULL;
+		return temp;
+	} else {
+		return NULL;
+	}
+}
+
+/*
+ * This routine adds the node list entry to the
+ * ndlp hash table.
+ */
+void
+lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
+		 uint16_t rpi)
+{
+
+	uint32_t index;
+
+	index = LPFC_RPI_HASH_FUNC(rpi);
+	ndlp->nlp_rpi_hash_next = phba->fc_nlplookup[index];
+	phba->fc_nlplookup[index] = ndlp;
+	return;
+}
+
+void
+lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
+		 uint32_t did)
+{
+	memset(ndlp, 0, sizeof (struct lpfc_nodelist));
+	INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp);
+	INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
+	init_timer(&ndlp->nlp_tmofunc);
+	ndlp->nlp_tmofunc.function = lpfc_nodev_timeout;
+	ndlp->nlp_tmofunc.data = (unsigned long)ndlp;
+	init_timer(&ndlp->nlp_delayfunc);
+	ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
+	ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
+	ndlp->nlp_DID = did;
+	ndlp->nlp_phba = phba;
+	ndlp->nlp_sid = NLP_NO_SID;
+	return;
+}