Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / lpfc / lpfc_hbadisc.c

/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/

#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>

#include <scsi/scsi.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)
{
        uint8_t *name = (uint8_t *)&ndlp->nlp_portname;
        int warn_on = 0;

        spin_lock_irq(phba->host->host_lock);
        if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
                spin_unlock_irq(phba->host->host_lock);
                return;
        }

        /*
         * If a discovery event readded nodev_timer after timer
         * firing and before processing the timer, cancel the
         * nlp_tmofunc.
         */
        spin_unlock_irq(phba->host->host_lock);
        del_timer_sync(&ndlp->nlp_tmofunc);
        spin_lock_irq(phba->host->host_lock);

        ndlp->nlp_flag &= ~NLP_NODEV_TMO;

        if (ndlp->nlp_sid != NLP_NO_SID) {
                warn_on = 1;
                /* 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);

        if (warn_on) {
                lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
                                "%d:0203 Nodev timeout on "
                                "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
                                "NPort x%x Data: x%x x%x x%x\n",
                                phba->brd_no,
                                *name, *(name+1), *(name+2), *(name+3),
                                *(name+4), *(name+5), *(name+6), *(name+7),
                                ndlp->nlp_DID, ndlp->nlp_flag,
                                ndlp->nlp_state, ndlp->nlp_rpi);
        } else {
                lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
                                "%d:0204 Nodev timeout on "
                                "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
                                "NPort x%x Data: x%x x%x x%x\n",
                                phba->brd_no,
                                *name, *(name+1), *(name+2), *(name+3),
                                *(name+4), *(name+5), *(name+6), *(name+7),
                                ndlp->nlp_DID, ndlp->nlp_flag,
                                ndlp->nlp_state, ndlp->nlp_rpi);
        }

        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:
                        if (phba->hba_state < LPFC_LINK_DOWN)
                                *(int *)(evtp->evt_arg1)  = lpfc_online(phba);
                        else
                                *(int *)(evtp->evt_arg1)  = 0;
                        complete((struct completion *)(evtp->evt_arg2));
                        break;
                case LPFC_EVT_OFFLINE:
                        if (phba->hba_state >= LPFC_LINK_DOWN)
                                lpfc_offline(phba);
                        lpfc_sli_brdrestart(phba);
                        *(int *)(evtp->evt_arg1) =
                                lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY);
                        complete((struct completion *)(evtp->evt_arg2));
                        break;
                case LPFC_EVT_WARM_START:
                        if (phba->hba_state >= LPFC_LINK_DOWN)
                                lpfc_offline(phba);
                        lpfc_reset_barrier(phba);
                        lpfc_sli_brdreset(phba);
                        lpfc_hba_down_post(phba);
                        *(int *)(evtp->evt_arg1) =
                                lpfc_sli_brdready(phba, HS_MBRDY);
                        complete((struct completion *)(evtp->evt_arg2));
                        break;
                case LPFC_EVT_KILL:
                        if (phba->hba_state >= LPFC_LINK_DOWN)
                                lpfc_offline(phba);
                        *(int *)(evtp->evt_arg1)
                                = (phba->stopped) ? 0 : lpfc_sli_brdkill(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, *node_list[7];
        LPFC_MBOXQ_t     *mb;
        int               rc, i;

        psli = &phba->sli;
        /* sysfs or selective reset may call this routine to clean up */
        if (phba->hba_state >= LPFC_LINK_DOWN) {
                if (phba->hba_state == LPFC_LINK_DOWN)
                        return 0;

                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) {

                        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;
        struct list_head *listp, *node_list[7];
        int i;

        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);


        node_list[0] = &phba->fc_plogi_list;
        node_list[1] = &phba->fc_adisc_list;
        node_list[2] = &phba->fc_reglogin_list;
        node_list[3] = &phba->fc_prli_list;
        node_list[4] = &phba->fc_nlpunmap_list;
        node_list[5] = &phba->fc_nlpmap_list;
        node_list[6] = &phba->fc_npr_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) {
                        if (phba->fc_flag & FC_LBIT) {
                                if (ndlp->nlp_type & NLP_FABRIC) {
                                        /* On Linkup its safe to clean up the
                                         * ndlp from Fabric connections.
                                         */
                                        lpfc_nlp_list(phba, ndlp,
                                                        NLP_UNUSED_LIST);
                                } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
                                        /* Fail outstanding IO now since device
                                         * is marked for PLOGI.
                                         */
                                        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);
        }

        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_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
        struct lpfc_sli *psli = &phba->sli;
        int rc;

        if (pmb->mb.mbxStatus)
                goto out;

        mempool_free(pmb, phba->mbox_mem_pool);

        if (phba->fc_topology == TOPOLOGY_LOOP &&
                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);
                        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);
        return;

out:
        lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
                        "%d:0306 CONFIG_LINK mbxStatus error x%x "
                        "HBA state x%x\n",
                        phba->brd_no, pmb->mb.mbxStatus, phba->hba_state);

        lpfc_linkdown(phba);

        phba->hba_state = LPFC_HBA_ERROR;

        lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
                        "%d:0200 CONFIG_LINK bad hba state x%x\n",
                        phba->brd_no, phba->hba_state);

        lpfc_clear_la(phba, pmb);
        pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
        rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
        if (rc == 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;
        }
        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_local_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);

        spin_lock_irq(phba->host->host_lock);
        if (la->pb)
                phba->fc_flag |= FC_BYPASSED_MODE;
        else
                phba->fc_flag &= ~FC_BYPASSED_MODE;
        spin_unlock_irq(phba->host->host_lock);

        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;

        ndlp->nlp_rpi = mb->un.varWords[0];
        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);

                ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
                if (!ndlp) {
                        /* Allocate a new node instance. If the pool is empty,
                         * start the discovery process and skip the Nameserver
                         * login process.  This is attempted again later on.
                         * Otherwise, issue a Port Login (PLOGI) to NameServer.
                         */
                        ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
                        if (!ndlp) {
                                lpfc_disc_start(phba);
                                lpfc_mbuf_free(phba, mp->virt, mp->phys);
                                kfree(mp);
                                mempool_free( pmb, phba->mbox_mem_pool);
                                return;
                        } 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, NameServer_DID, 0);
                if (phba->cfg_fdmi_on) {
                        ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
                                                                GFP_KERNEL);
                        if (ndlp_fdmi) {
                                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, FDMI_DID, 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;

        ndlp->nlp_rpi = mb->un.varWords[0];
        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;

        /* Remote port has reappeared. Re-register w/ FC transport */
        rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
        rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
        rport_ids.port_id = ndlp->nlp_DID;
        rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;

        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;

        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;


        if (rport_ids.roles !=  FC_RPORT_ROLE_UNKNOWN)
                fc_remote_port_rolechg(rport, rport_ids.roles);


        return;
}

static void
lpfc_unregister_remote_port(struct lpfc_hba * phba,
                            struct lpfc_nodelist * ndlp)
{
        struct fc_rport *rport = ndlp->rport;
        struct lpfc_rport_data *rdata = rport->dd_data;

        ndlp->rport = NULL;
        rdata->pnode = NULL;
        fc_remote_port_delete(rport);

        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;

        spin_lock_irq(phba->host->host_lock);
        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);
                nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
                nlp->nlp_type &= ~NLP_FC_NODE;
                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_unlock_irq(phba->host->host_lock);
                        lpfc_cancel_retry_delay_tmo(phba, nlp);
                        spin_lock_irq(phba->host->host_lock);
                }
                break;
        }

        nlp->nlp_flag &= ~NLP_LIST_MASK;

        /* 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 */
                spin_unlock_irq(phba->host->host_lock);
                lpfc_nlp_remove(phba, nlp);
                spin_lock_irq(phba->host->host_lock);
                /* as node removed - stop further transport calls */
                rport_del = none;
                break;
        case NLP_UNUSED_LIST:
                nlp->nlp_flag |= list;
                /* 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:
                nlp->nlp_flag |= list;
                /* 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:
                nlp->nlp_flag |= list;
                /* 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:
                nlp->nlp_flag |= list;
                /* 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:
                nlp->nlp_flag |= list;
                /* 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);
                nlp->nlp_flag |= list;
                /* 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) {
                        nlp->nlp_flag &= ~NLP_NODEV_TMO;
                        spin_unlock_irq(phba->host->host_lock);
                        del_timer_sync(&nlp->nlp_tmofunc);
                        spin_lock_irq(phba->host->host_lock);
                        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;
                nlp->nlp_flag |= list;
                /* 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;
                        spin_unlock_irq(phba->host->host_lock);
                        del_timer_sync(&nlp->nlp_tmofunc);
                        spin_lock_irq(phba->host->host_lock);
                        if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
                                list_del_init(&nlp->nodev_timeout_evt.
                                                evt_listp);

                }
                break;
        case NLP_NPR_LIST:
                nlp->nlp_flag |= list;
                /* Put it at the end of the npr list */
                list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
                phba->fc_npr_cnt++;

                if (!(nlp->nlp_flag & NLP_NODEV_TMO))
                        mod_timer(&nlp->nlp_tmofunc,
                                        jiffies + HZ * phba->cfg_nodev_tmo);

                nlp->nlp_flag |= NLP_NODEV_TMO;
                nlp->nlp_flag &= ~NLP_RCV_PLOGI;
                break;
        case NLP_JUST_DQ:
                break;
        }

        spin_unlock_irq(phba->host->host_lock);

        /*
         * 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)
                        lpfc_unregister_remote_port(phba, nlp);

                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);

                        /*
                         * 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;

        if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
                /* For FAN, timeout should be greater then edtov */
                tmo = (((phba->fc_edtov + 999) / 1000) + 1);
        } else {
                /* Normal discovery timeout should be > then ELS/CT timeout
                 * FC spec states we need 3 * ratov for CT requests
                 */
                tmo = ((phba->fc_ratov * 3) + 3);
        }

        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
                                                lpfc_sli_release_iocbq(phba,
                                                                       iocb);
                                }
                        }
                        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_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;

        /* 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)) {
                lpfc_unregister_remote_port(phba, ndlp);
                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);

        ndlp->nlp_last_elscmd = 0;
        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) {
                lpfc_cancel_retry_delay_tmo(phba, ndlp);
        }

        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;

        spin_lock_irq(phba->host->host_lock);
        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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                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);
                                spin_unlock_irq(phba->host->host_lock);
                                return ndlp;
                        }
                }
        }

        spin_unlock_irq(phba->host->host_lock);

        /* 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;

        ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
        if (!ndlp) {
                if ((phba->fc_flag & FC_RSCN_MODE) &&
                   ((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->fc_flag & FC_RSCN_MODE) {
                if (lpfc_rscn_payload_check(phba, did)) {
                        ndlp->nlp_flag |= NLP_NPR_2B_DISC;

                        /* Since this node is marked for discovery,
                         * delay timeout is not needed.
                         */
                        if (ndlp->nlp_flag & NLP_DELAY_TMO)
                                lpfc_cancel_retry_delay_tmo(phba, ndlp);
                } 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, *next_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);

                /* Start discovery by sending FLOGI, clean up old rpis */
                list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
                                        nlp_listp) {
                        if (ndlp->nlp_type & NLP_FABRIC) {
                                /* Clean up the ndlp on Fabric connections */
                                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
                        } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
                                /* Fail outstanding IO now since device
                                 * is marked for PLOGI.
                                 */
                                lpfc_unreg_rpi(phba, ndlp);
                        }
                }
                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;

        ndlp->nlp_rpi = mb->un.varWords[0];
        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  lists
 * for the given RPI. If rpi found
 * it return the node list pointer
 * else return NULL.
 */
struct lpfc_nodelist *
lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
{
        struct lpfc_nodelist *ndlp;
        struct list_head * lists[]={&phba->fc_nlpunmap_list,
                                    &phba->fc_nlpmap_list,
                                    &phba->fc_plogi_list,
                                    &phba->fc_adisc_list,
                                    &phba->fc_reglogin_list};
        int i;

        spin_lock_irq(phba->host->host_lock);
        for (i = 0; i < ARRAY_SIZE(lists); i++ )
                list_for_each_entry(ndlp, lists[i], nlp_listp)
                        if (ndlp->nlp_rpi == rpi) {
                                spin_unlock_irq(phba->host->host_lock);
                                return ndlp;
                        }
        spin_unlock_irq(phba->host->host_lock);
        return NULL;
}

/*
 * This routine looks up the ndlp  lists
 * for the given WWPN. If WWPN found
 * it return the node list pointer
 * else return NULL.
 */
struct lpfc_nodelist *
lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
                   struct lpfc_name * wwpn)
{
        struct lpfc_nodelist *ndlp;
        struct list_head * lists[]={&phba->fc_nlpunmap_list,
                                    &phba->fc_nlpmap_list,
                                    &phba->fc_npr_list,
                                    &phba->fc_plogi_list,
                                    &phba->fc_adisc_list,
                                    &phba->fc_reglogin_list,
                                    &phba->fc_prli_list};
        uint32_t search[]={NLP_SEARCH_UNMAPPED,
                           NLP_SEARCH_MAPPED,
                           NLP_SEARCH_NPR,
                           NLP_SEARCH_PLOGI,
                           NLP_SEARCH_ADISC,
                           NLP_SEARCH_REGLOGIN,
                           NLP_SEARCH_PRLI};
        int i;

        spin_lock_irq(phba->host->host_lock);
        for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
                if (!(order & search[i]))
                        continue;
                list_for_each_entry(ndlp, lists[i], nlp_listp) {
                        if (memcmp(&ndlp->nlp_portname, wwpn,
                                   sizeof(struct lpfc_name)) == 0) {
                                spin_unlock_irq(phba->host->host_lock);
                                return ndlp;
                        }
                }
        }
        spin_unlock_irq(phba->host->host_lock);
        return NULL;
}

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;
}