lpfc: add Emulex FC driver version 8.0.28
From: James.Smart@Emulex.Com
Modified for kernel import and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
new file mode 100644
index 0000000..d546206
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -0,0 +1,2537 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Enterprise Fibre Channel Host Bus Adapters. *
+ * Refer to the README file included with this package for *
+ * driver version and adapter support. *
+ * Copyright (C) 2004 Emulex Corporation. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 2 *
+ * of the License, or (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details, a copy of which *
+ * can be found in the file COPYING included with this package. *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_hbadisc.c 1.266 2005/04/13 11:59:06EDT sf_support Exp $
+ */
+
+#include <linux/blkdev.h>
+#include <linux/pci.h>
+#include <linux/kthread.h>
+#include <linux/interrupt.h>
+
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw.h"
+#include "lpfc_disc.h"
+#include "lpfc_sli.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_crtn.h"
+
+/* AlpaArray for assignment of scsid for scan-down and bind_method */
+static uint8_t lpfcAlpaArray[] = {
+ 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
+ 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
+ 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
+ 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
+ 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
+ 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
+ 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
+ 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
+ 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
+ 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
+ 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
+ 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
+ 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
+};
+
+static void lpfc_disc_timeout_handler(struct lpfc_hba *);
+
+static void
+lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+ if (!(ndlp->nlp_type & NLP_FABRIC)) {
+ /* Nodev timeout on NPort <nlp_DID> */
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0203 Nodev timeout on NPort x%x "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+ ndlp->nlp_state, ndlp->nlp_rpi);
+ }
+
+ spin_lock_irq(phba->host->host_lock);
+ if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
+ spin_unlock_irq(phba->host->host_lock);
+ return;
+ }
+
+ ndlp->nlp_flag &= ~NLP_NODEV_TMO;
+
+ if (ndlp->nlp_sid != NLP_NO_SID) {
+ /* flush the target */
+ lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
+ ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
+ return;
+}
+
+static void
+lpfc_work_list_done(struct lpfc_hba * phba)
+{
+ struct lpfc_work_evt *evtp = NULL;
+ struct lpfc_nodelist *ndlp;
+ int free_evt;
+
+ spin_lock_irq(phba->host->host_lock);
+ while(!list_empty(&phba->work_list)) {
+ list_remove_head((&phba->work_list), evtp, typeof(*evtp),
+ evt_listp);
+ spin_unlock_irq(phba->host->host_lock);
+ free_evt = 1;
+ switch(evtp->evt) {
+ case LPFC_EVT_NODEV_TMO:
+ ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
+ lpfc_process_nodev_timeout(phba, ndlp);
+ free_evt = 0;
+ break;
+ case LPFC_EVT_ELS_RETRY:
+ ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
+ lpfc_els_retry_delay_handler(ndlp);
+ free_evt = 0;
+ break;
+ case LPFC_EVT_ONLINE:
+ *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_OFFLINE:
+ *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ }
+ if (free_evt)
+ kfree(evtp);
+ spin_lock_irq(phba->host->host_lock);
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+}
+
+static void
+lpfc_work_done(struct lpfc_hba * phba)
+{
+ struct lpfc_sli_ring *pring;
+ int i;
+ uint32_t ha_copy;
+ uint32_t control;
+ uint32_t work_hba_events;
+
+ spin_lock_irq(phba->host->host_lock);
+ ha_copy = phba->work_ha;
+ phba->work_ha = 0;
+ work_hba_events=phba->work_hba_events;
+ spin_unlock_irq(phba->host->host_lock);
+
+ if(ha_copy & HA_ERATT)
+ lpfc_handle_eratt(phba);
+
+ if(ha_copy & HA_MBATT)
+ lpfc_sli_handle_mb_event(phba);
+
+ if(ha_copy & HA_LATT)
+ lpfc_handle_latt(phba);
+
+ if (work_hba_events & WORKER_DISC_TMO)
+ lpfc_disc_timeout_handler(phba);
+
+ if (work_hba_events & WORKER_ELS_TMO)
+ lpfc_els_timeout_handler(phba);
+
+ if (work_hba_events & WORKER_MBOX_TMO)
+ lpfc_mbox_timeout_handler(phba);
+
+ if (work_hba_events & WORKER_FDMI_TMO)
+ lpfc_fdmi_tmo_handler(phba);
+
+ spin_lock_irq(phba->host->host_lock);
+ phba->work_hba_events &= ~work_hba_events;
+ spin_unlock_irq(phba->host->host_lock);
+
+ for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
+ pring = &phba->sli.ring[i];
+ if ((ha_copy & HA_RXATT)
+ || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
+ if (pring->flag & LPFC_STOP_IOCB_MASK) {
+ pring->flag |= LPFC_DEFERRED_RING_EVENT;
+ } else {
+ lpfc_sli_handle_slow_ring_event(phba, pring,
+ (ha_copy &
+ HA_RXMASK));
+ pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
+ }
+ /*
+ * Turn on Ring interrupts
+ */
+ spin_lock_irq(phba->host->host_lock);
+ control = readl(phba->HCregaddr);
+ control |= (HC_R0INT_ENA << i);
+ writel(control, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ spin_unlock_irq(phba->host->host_lock);
+ }
+ }
+
+ lpfc_work_list_done (phba);
+
+}
+
+static int
+check_work_wait_done(struct lpfc_hba *phba) {
+
+ spin_lock_irq(phba->host->host_lock);
+ if (phba->work_ha ||
+ phba->work_hba_events ||
+ (!list_empty(&phba->work_list)) ||
+ kthread_should_stop()) {
+ spin_unlock_irq(phba->host->host_lock);
+ return 1;
+ } else {
+ spin_unlock_irq(phba->host->host_lock);
+ return 0;
+ }
+}
+
+int
+lpfc_do_work(void *p)
+{
+ struct lpfc_hba *phba = p;
+ int rc;
+ DECLARE_WAIT_QUEUE_HEAD(work_waitq);
+
+ set_user_nice(current, -20);
+ phba->work_wait = &work_waitq;
+
+ while (1) {
+
+ rc = wait_event_interruptible(work_waitq,
+ check_work_wait_done(phba));
+ BUG_ON(rc);
+
+ if (kthread_should_stop())
+ break;
+
+ lpfc_work_done(phba);
+
+ }
+ phba->work_wait = NULL;
+ return 0;
+}
+
+/*
+ * This is only called to handle FC worker events. Since this a rare
+ * occurance, we allocate a struct lpfc_work_evt structure here instead of
+ * embedding it in the IOCB.
+ */
+int
+lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
+ uint32_t evt)
+{
+ struct lpfc_work_evt *evtp;
+
+ /*
+ * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
+ * be queued to worker thread for processing
+ */
+ evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
+ if (!evtp)
+ return 0;
+
+ evtp->evt_arg1 = arg1;
+ evtp->evt_arg2 = arg2;
+ evtp->evt = evt;
+
+ list_add_tail(&evtp->evt_listp, &phba->work_list);
+ spin_lock_irq(phba->host->host_lock);
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+ spin_unlock_irq(phba->host->host_lock);
+
+ return 1;
+}
+
+int
+lpfc_linkdown(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli;
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+ struct list_head *listp;
+ struct list_head *node_list[7];
+ LPFC_MBOXQ_t *mb;
+ int rc, i;
+
+ psli = &phba->sli;
+
+ spin_lock_irq(phba->host->host_lock);
+ phba->hba_state = LPFC_LINK_DOWN;
+ spin_unlock_irq(phba->host->host_lock);
+
+ /* Clean up any firmware default rpi's */
+ if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+ lpfc_unreg_did(phba, 0xffffffff, mb);
+ mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+ if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
+ == MBX_NOT_FINISHED) {
+ mempool_free( mb, phba->mbox_mem_pool);
+ }
+ }
+
+ /* Cleanup any outstanding RSCN activity */
+ lpfc_els_flush_rscn(phba);
+
+ /* Cleanup any outstanding ELS commands */
+ lpfc_els_flush_cmd(phba);
+
+ /* Issue a LINK DOWN event to all nodes */
+ node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
+ node_list[1] = &phba->fc_nlpmap_list;
+ node_list[2] = &phba->fc_nlpunmap_list;
+ node_list[3] = &phba->fc_prli_list;
+ node_list[4] = &phba->fc_reglogin_list;
+ node_list[5] = &phba->fc_adisc_list;
+ node_list[6] = &phba->fc_plogi_list;
+ for (i = 0; i < 7; i++) {
+ listp = node_list[i];
+ if (list_empty(listp))
+ continue;
+
+ list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
+ /* Fabric nodes are not handled thru state machine for
+ link down */
+ if (ndlp->nlp_type & NLP_FABRIC) {
+ /* Remove ALL Fabric nodes except Fabric_DID */
+ if (ndlp->nlp_DID != Fabric_DID) {
+ /* Take it off current list and free */
+ lpfc_nlp_list(phba, ndlp,
+ NLP_NO_LIST);
+ }
+ }
+ else {
+
+ rc = lpfc_disc_state_machine(phba, ndlp, NULL,
+ NLP_EVT_DEVICE_RECOVERY);
+
+ /* Check config parameter use-adisc or FCP-2 */
+ if ((rc != NLP_STE_FREED_NODE) &&
+ (phba->cfg_use_adisc == 0) &&
+ !(ndlp->nlp_fcp_info &
+ NLP_FCP_2_DEVICE)) {
+ /* We know we will have to relogin, so
+ * unreglogin the rpi right now to fail
+ * any outstanding I/Os quickly.
+ */
+ lpfc_unreg_rpi(phba, ndlp);
+ }
+ }
+ }
+ }
+
+ /* free any ndlp's on unused list */
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
+ nlp_listp) {
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ }
+
+ /* Setup myDID for link up if we are in pt2pt mode */
+ if (phba->fc_flag & FC_PT2PT) {
+ phba->fc_myDID = 0;
+ if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+ lpfc_config_link(phba, mb);
+ mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+ if (lpfc_sli_issue_mbox
+ (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
+ == MBX_NOT_FINISHED) {
+ mempool_free( mb, phba->mbox_mem_pool);
+ }
+ }
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
+ spin_unlock_irq(phba->host->host_lock);
+ }
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_LBIT;
+ spin_unlock_irq(phba->host->host_lock);
+
+ /* Turn off discovery timer if its running */
+ lpfc_can_disctmo(phba);
+
+ /* Must process IOCBs on all rings to handle ABORTed I/Os */
+ return (0);
+}
+
+static int
+lpfc_linkup(struct lpfc_hba * phba)
+{
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+
+ spin_lock_irq(phba->host->host_lock);
+ phba->hba_state = LPFC_LINK_UP;
+ phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
+ FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
+ phba->fc_flag |= FC_NDISC_ACTIVE;
+ phba->fc_ns_retry = 0;
+ spin_unlock_irq(phba->host->host_lock);
+
+
+ /*
+ * Clean up old Fabric NLP_FABRIC logins.
+ */
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
+ nlp_listp) {
+ if (ndlp->nlp_DID == Fabric_DID) {
+ /* Take it off current list and free */
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ }
+ }
+
+ /* free any ndlp's on unused list */
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
+ nlp_listp) {
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ }
+
+ return 0;
+}
+
+/*
+ * This routine handles processing a CLEAR_LA mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+ uint32_t control;
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+ /* Since we don't do discovery right now, turn these off here */
+ psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
+
+ /* Check for error */
+ if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
+ /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "%d:0320 CLEAR_LA mbxStatus error x%x hba "
+ "state x%x\n",
+ phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+ phba->hba_state = LPFC_HBA_ERROR;
+ goto out;
+ }
+
+ if (phba->fc_flag & FC_ABORT_DISCOVERY)
+ goto out;
+
+ phba->num_disc_nodes = 0;
+ /* go thru NPR list and issue ELS PLOGIs */
+ if (phba->fc_npr_cnt) {
+ lpfc_els_disc_plogi(phba);
+ }
+
+ if(!phba->num_disc_nodes) {
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_NDISC_ACTIVE;
+ spin_unlock_irq(phba->host->host_lock);
+ }
+
+ phba->hba_state = LPFC_HBA_READY;
+
+out:
+ /* Device Discovery completes */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_DISCOVERY,
+ "%d:0225 Device Discovery completes\n",
+ phba->brd_no);
+
+ mempool_free( pmb, phba->mbox_mem_pool);
+
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_ABORT_DISCOVERY;
+ if (phba->fc_flag & FC_ESTABLISH_LINK) {
+ phba->fc_flag &= ~FC_ESTABLISH_LINK;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ del_timer_sync(&phba->fc_estabtmo);
+
+ lpfc_can_disctmo(phba);
+
+ /* turn on Link Attention interrupts */
+ spin_lock_irq(phba->host->host_lock);
+ psli->sli_flag |= LPFC_PROCESS_LA;
+ control = readl(phba->HCregaddr);
+ control |= HC_LAINT_ENA;
+ writel(control, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ spin_unlock_irq(phba->host->host_lock);
+
+ return;
+}
+
+static void
+lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+ /* Check for error */
+ if (mb->mbxStatus) {
+ /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "%d:0306 CONFIG_LINK mbxStatus error x%x "
+ "HBA state x%x\n",
+ phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+ lpfc_linkdown(phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+ goto out;
+ }
+
+ if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
+ if (phba->fc_topology == TOPOLOGY_LOOP) {
+ /* If we are public loop and L bit was set */
+ if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
+ !(phba->fc_flag & FC_LBIT)) {
+ /* Need to wait for FAN - use discovery timer
+ * for timeout. hba_state is identically
+ * LPFC_LOCAL_CFG_LINK while waiting for FAN
+ */
+ lpfc_set_disctmo(phba);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return;
+ }
+ }
+
+ /* Start discovery by sending a FLOGI hba_state is identically
+ * LPFC_FLOGI while waiting for FLOGI cmpl
+ */
+ phba->hba_state = LPFC_FLOGI;
+ lpfc_set_disctmo(phba);
+ lpfc_initial_flogi(phba);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return;
+ }
+ if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return;
+ }
+
+out:
+ /* CONFIG_LINK bad hba state <hba_state> */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_DISCOVERY,
+ "%d:0200 CONFIG_LINK bad hba state x%x\n",
+ phba->brd_no, phba->hba_state);
+
+ if (phba->hba_state != LPFC_CLEAR_LA) {
+ lpfc_clear_la(phba, pmb);
+ pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
+ == MBX_NOT_FINISHED) {
+ mempool_free( pmb, phba->mbox_mem_pool);
+ lpfc_disc_flush_list(phba);
+ psli->ring[(psli->ip_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->fcp_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->next_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ phba->hba_state = LPFC_HBA_READY;
+ }
+ } else {
+ mempool_free( pmb, phba->mbox_mem_pool);
+ }
+ return;
+}
+
+static void
+lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ MAILBOX_t *mb = &pmb->mb;
+ struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
+
+
+ /* Check for error */
+ if (mb->mbxStatus) {
+ /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "%d:0319 READ_SPARAM mbxStatus error x%x "
+ "hba state x%x>\n",
+ phba->brd_no, mb->mbxStatus, phba->hba_state);
+
+ lpfc_linkdown(phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+ goto out;
+ }
+
+ memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
+ sizeof (struct serv_parm));
+ memcpy((uint8_t *) & phba->fc_nodename,
+ (uint8_t *) & phba->fc_sparam.nodeName,
+ sizeof (struct lpfc_name));
+ memcpy((uint8_t *) & phba->fc_portname,
+ (uint8_t *) & phba->fc_sparam.portName,
+ sizeof (struct lpfc_name));
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return;
+
+out:
+ pmb->context1 = NULL;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ if (phba->hba_state != LPFC_CLEAR_LA) {
+ lpfc_clear_la(phba, pmb);
+ pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
+ == MBX_NOT_FINISHED) {
+ mempool_free( pmb, phba->mbox_mem_pool);
+ lpfc_disc_flush_list(phba);
+ psli->ring[(psli->ip_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->fcp_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->next_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ phba->hba_state = LPFC_HBA_READY;
+ }
+ } else {
+ mempool_free( pmb, phba->mbox_mem_pool);
+ }
+ return;
+}
+
+static void
+lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
+{
+ int i;
+ LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
+ sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+ spin_lock_irq(phba->host->host_lock);
+ switch(la->UlnkSpeed) {
+ case LA_1GHZ_LINK:
+ phba->fc_linkspeed = LA_1GHZ_LINK;
+ break;
+ case LA_2GHZ_LINK:
+ phba->fc_linkspeed = LA_2GHZ_LINK;
+ break;
+ case LA_4GHZ_LINK:
+ phba->fc_linkspeed = LA_4GHZ_LINK;
+ break;
+ default:
+ phba->fc_linkspeed = LA_UNKNW_LINK;
+ break;
+ }
+
+ phba->fc_topology = la->topology;
+
+ if (phba->fc_topology == TOPOLOGY_LOOP) {
+ /* Get Loop Map information */
+
+ if (la->il)
+ phba->fc_flag |= FC_LBIT;
+
+ phba->fc_myDID = la->granted_AL_PA;
+ i = la->un.lilpBde64.tus.f.bdeSize;
+
+ if (i == 0) {
+ phba->alpa_map[0] = 0;
+ } else {
+ if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
+ int numalpa, j, k;
+ union {
+ uint8_t pamap[16];
+ struct {
+ uint32_t wd1;
+ uint32_t wd2;
+ uint32_t wd3;
+ uint32_t wd4;
+ } pa;
+ } un;
+ numalpa = phba->alpa_map[0];
+ j = 0;
+ while (j < numalpa) {
+ memset(un.pamap, 0, 16);
+ for (k = 1; j < numalpa; k++) {
+ un.pamap[k - 1] =
+ phba->alpa_map[j + 1];
+ j++;
+ if (k == 16)
+ break;
+ }
+ /* Link Up Event ALPA map */
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_LINK_EVENT,
+ "%d:1304 Link Up Event "
+ "ALPA map Data: x%x "
+ "x%x x%x x%x\n",
+ phba->brd_no,
+ un.pa.wd1, un.pa.wd2,
+ un.pa.wd3, un.pa.wd4);
+ }
+ }
+ }
+ } else {
+ phba->fc_myDID = phba->fc_pref_DID;
+ phba->fc_flag |= FC_LBIT;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ lpfc_linkup(phba);
+ if (sparam_mbox) {
+ lpfc_read_sparam(phba, sparam_mbox);
+ sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
+ lpfc_sli_issue_mbox(phba, sparam_mbox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ }
+
+ if (cfglink_mbox) {
+ phba->hba_state = LPFC_LOCAL_CFG_LINK;
+ lpfc_config_link(phba, cfglink_mbox);
+ cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
+ lpfc_sli_issue_mbox(phba, cfglink_mbox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ }
+}
+
+static void
+lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
+ uint32_t control;
+ struct lpfc_sli *psli = &phba->sli;
+
+ lpfc_linkdown(phba);
+
+ /* turn on Link Attention interrupts - no CLEAR_LA needed */
+ spin_lock_irq(phba->host->host_lock);
+ psli->sli_flag |= LPFC_PROCESS_LA;
+ control = readl(phba->HCregaddr);
+ control |= HC_LAINT_ENA;
+ writel(control, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ spin_unlock_irq(phba->host->host_lock);
+}
+
+/*
+ * This routine handles processing a READ_LA mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ READ_LA_VAR *la;
+ MAILBOX_t *mb = &pmb->mb;
+ struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+ /* Check for error */
+ if (mb->mbxStatus) {
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_LINK_EVENT,
+ "%d:1307 READ_LA mbox error x%x state x%x\n",
+ phba->brd_no,
+ mb->mbxStatus, phba->hba_state);
+ lpfc_mbx_issue_link_down(phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+ goto lpfc_mbx_cmpl_read_la_free_mbuf;
+ }
+
+ la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
+
+ memcpy(&phba->alpa_map[0], mp->virt, 128);
+
+ if (((phba->fc_eventTag + 1) < la->eventTag) ||
+ (phba->fc_eventTag == la->eventTag)) {
+ phba->fc_stat.LinkMultiEvent++;
+ if (la->attType == AT_LINK_UP) {
+ if (phba->fc_eventTag != 0)
+ lpfc_linkdown(phba);
+ }
+ }
+
+ phba->fc_eventTag = la->eventTag;
+
+ if (la->attType == AT_LINK_UP) {
+ phba->fc_stat.LinkUp++;
+ lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+ "%d:1303 Link Up Event x%x received "
+ "Data: x%x x%x x%x x%x\n",
+ phba->brd_no, la->eventTag, phba->fc_eventTag,
+ la->granted_AL_PA, la->UlnkSpeed,
+ phba->alpa_map[0]);
+ lpfc_mbx_process_link_up(phba, la);
+ } else {
+ phba->fc_stat.LinkDown++;
+ lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+ "%d:1305 Link Down Event x%x received "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, la->eventTag, phba->fc_eventTag,
+ phba->hba_state, phba->fc_flag);
+ lpfc_mbx_issue_link_down(phba);
+ }
+
+lpfc_mbx_cmpl_read_la_free_mbuf:
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return;
+}
+
+/*
+ * This routine handles processing a REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_nodelist *ndlp;
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+
+ ndlp = (struct lpfc_nodelist *) pmb->context2;
+ mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+ pmb->context1 = NULL;
+
+ /* Good status, call state machine */
+ lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+
+ return;
+}
+
+/*
+ * This routine handles processing a Fabric REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_nodelist *ndlp;
+ struct lpfc_nodelist *ndlp_fdmi;
+
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+
+ ndlp = (struct lpfc_nodelist *) pmb->context2;
+ mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+ if (mb->mbxStatus) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ mempool_free( ndlp, phba->nlp_mem_pool);
+
+ /* FLOGI failed, so just use loop map to make discovery list */
+ lpfc_disc_list_loopmap(phba);
+
+ /* Start discovery */
+ lpfc_disc_start(phba);
+ return;
+ }
+
+ pmb->context1 = NULL;
+
+ if (ndlp->nlp_rpi != 0)
+ lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+ ndlp->nlp_rpi = mb->un.varWords[0];
+ lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+ ndlp->nlp_type |= NLP_FABRIC;
+ ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+ lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+ if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
+ /* This NPort has been assigned an NPort_ID by the fabric as a
+ * result of the completed fabric login. Issue a State Change
+ * Registration (SCR) ELS request to the fabric controller
+ * (SCR_DID) so that this NPort gets RSCN events from the
+ * fabric.
+ */
+ lpfc_issue_els_scr(phba, SCR_DID, 0);
+
+ /* Allocate a new node instance. If the pool is empty, just
+ * start the discovery process and skip the Nameserver login
+ * process. This is attempted again later on. Otherwise, issue
+ * a Port Login (PLOGI) to the NameServer
+ */
+ if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
+ == 0) {
+ lpfc_disc_start(phba);
+ } else {
+ lpfc_nlp_init(phba, ndlp, NameServer_DID);
+ ndlp->nlp_type |= NLP_FABRIC;
+ ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
+ lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
+ lpfc_issue_els_plogi(phba, ndlp, 0);
+ if (phba->cfg_fdmi_on) {
+ if ((ndlp_fdmi = mempool_alloc(
+ phba->nlp_mem_pool,
+ GFP_KERNEL))) {
+ lpfc_nlp_init(phba, ndlp_fdmi,
+ FDMI_DID);
+ ndlp_fdmi->nlp_type |= NLP_FABRIC;
+ ndlp_fdmi->nlp_state =
+ NLP_STE_PLOGI_ISSUE;
+ lpfc_issue_els_plogi(phba, ndlp_fdmi,
+ 0);
+ }
+ }
+ }
+ }
+
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+
+ return;
+}
+
+/*
+ * This routine handles processing a NameServer REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_nodelist *ndlp;
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+
+ ndlp = (struct lpfc_nodelist *) pmb->context2;
+ mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+ if (mb->mbxStatus) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+
+ /* RegLogin failed, so just use loop map to make discovery
+ list */
+ lpfc_disc_list_loopmap(phba);
+
+ /* Start discovery */
+ lpfc_disc_start(phba);
+ return;
+ }
+
+ pmb->context1 = NULL;
+
+ if (ndlp->nlp_rpi != 0)
+ lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+ ndlp->nlp_rpi = mb->un.varWords[0];
+ lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+ ndlp->nlp_type |= NLP_FABRIC;
+ ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+ lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+ if (phba->hba_state < LPFC_HBA_READY) {
+ /* Link up discovery requires Fabrib registration. */
+ lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
+ lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
+ lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
+ }
+
+ phba->fc_ns_retry = 0;
+ /* Good status, issue CT Request to NameServer */
+ if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
+ /* Cannot issue NameServer Query, so finish up discovery */
+ lpfc_disc_start(phba);
+ }
+
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+
+ return;
+}
+
+static void
+lpfc_register_remote_port(struct lpfc_hba * phba,
+ struct lpfc_nodelist * ndlp)
+{
+ struct fc_rport *rport;
+ struct lpfc_rport_data *rdata;
+ struct fc_rport_identifiers rport_ids;
+ uint64_t wwn;
+
+ /* Remote port has reappeared. Re-register w/ FC transport */
+ memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t));
+ rport_ids.node_name = be64_to_cpu(wwn);
+ memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t));
+ rport_ids.port_name = be64_to_cpu(wwn);
+ rport_ids.port_id = ndlp->nlp_DID;
+ rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
+ if (ndlp->nlp_type & NLP_FCP_TARGET)
+ rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
+ if (ndlp->nlp_type & NLP_FCP_INITIATOR)
+ rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
+
+ ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
+ if (!rport) {
+ dev_printk(KERN_WARNING, &phba->pcidev->dev,
+ "Warning: fc_remote_port_add failed\n");
+ return;
+ }
+
+ /* initialize static port data */
+ rport->maxframe_size = ndlp->nlp_maxframe;
+ rport->supported_classes = ndlp->nlp_class_sup;
+ if ((rport->scsi_target_id != -1) &&
+ (rport->scsi_target_id < MAX_FCP_TARGET)) {
+ ndlp->nlp_sid = rport->scsi_target_id;
+ }
+ rdata = rport->dd_data;
+ rdata->pnode = ndlp;
+
+ return;
+}
+
+int
+lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
+{
+ enum { none, unmapped, mapped } rport_add = none, rport_del = none;
+ struct lpfc_sli *psli;
+
+ psli = &phba->sli;
+ /* Sanity check to ensure we are not moving to / from the same list */
+ if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
+ if (list != NLP_NO_LIST)
+ return(0);
+ }
+
+ switch(nlp->nlp_flag & NLP_LIST_MASK) {
+ case NLP_NO_LIST: /* Not on any list */
+ break;
+ case NLP_UNUSED_LIST:
+ phba->fc_unused_cnt--;
+ list_del(&nlp->nlp_listp);
+ break;
+ case NLP_PLOGI_LIST:
+ phba->fc_plogi_cnt--;
+ list_del(&nlp->nlp_listp);
+ break;
+ case NLP_ADISC_LIST:
+ phba->fc_adisc_cnt--;
+ list_del(&nlp->nlp_listp);
+ break;
+ case NLP_REGLOGIN_LIST:
+ phba->fc_reglogin_cnt--;
+ list_del(&nlp->nlp_listp);
+ break;
+ case NLP_PRLI_LIST:
+ phba->fc_prli_cnt--;
+ list_del(&nlp->nlp_listp);
+ break;
+ case NLP_UNMAPPED_LIST:
+ phba->fc_unmap_cnt--;
+ list_del(&nlp->nlp_listp);
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
+ nlp->nlp_type &= ~NLP_FC_NODE;
+ spin_unlock_irq(phba->host->host_lock);
+ phba->nport_event_cnt++;
+ if (nlp->rport)
+ rport_del = unmapped;
+ break;
+ case NLP_MAPPED_LIST:
+ phba->fc_map_cnt--;
+ list_del(&nlp->nlp_listp);
+ phba->nport_event_cnt++;
+ if (nlp->rport)
+ rport_del = mapped;
+ break;
+ case NLP_NPR_LIST:
+ phba->fc_npr_cnt--;
+ list_del(&nlp->nlp_listp);
+ /* Stop delay tmo if taking node off NPR list */
+ if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
+ (list != NLP_NPR_LIST)) {
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_DELAY_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&nlp->nlp_delayfunc);
+ if (!list_empty(&nlp->els_retry_evt.evt_listp))
+ list_del_init(&nlp->els_retry_evt.evt_listp);
+ }
+ break;
+ }
+
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_LIST_MASK;
+ spin_unlock_irq(phba->host->host_lock);
+
+ /* Add NPort <did> to <num> list */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_NODE,
+ "%d:0904 Add NPort x%x to %d list Data: x%x\n",
+ phba->brd_no,
+ nlp->nlp_DID, list, nlp->nlp_flag);
+
+ switch(list) {
+ case NLP_NO_LIST: /* No list, just remove it */
+ lpfc_nlp_remove(phba, nlp);
+ break;
+ case NLP_UNUSED_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the unused list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
+ phba->fc_unused_cnt++;
+ break;
+ case NLP_PLOGI_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the plogi list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
+ phba->fc_plogi_cnt++;
+ break;
+ case NLP_ADISC_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the adisc list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
+ phba->fc_adisc_cnt++;
+ break;
+ case NLP_REGLOGIN_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the reglogin list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
+ phba->fc_reglogin_cnt++;
+ break;
+ case NLP_PRLI_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the prli list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
+ phba->fc_prli_cnt++;
+ break;
+ case NLP_UNMAPPED_LIST:
+ rport_add = unmapped;
+ /* ensure all vestiges of "mapped" significance are gone */
+ nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the unmap list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
+ phba->fc_unmap_cnt++;
+ phba->nport_event_cnt++;
+ /* stop nodev tmo if running */
+ if (nlp->nlp_flag & NLP_NODEV_TMO) {
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_NODEV_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&nlp->nlp_tmofunc);
+ if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&nlp->nodev_timeout_evt.
+ evt_listp);
+
+ }
+ nlp->nlp_type |= NLP_FC_NODE;
+ break;
+ case NLP_MAPPED_LIST:
+ rport_add = mapped;
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the map list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
+ phba->fc_map_cnt++;
+ phba->nport_event_cnt++;
+ /* stop nodev tmo if running */
+ if (nlp->nlp_flag & NLP_NODEV_TMO) {
+ nlp->nlp_flag &= ~NLP_NODEV_TMO;
+ del_timer_sync(&nlp->nlp_tmofunc);
+ if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&nlp->nodev_timeout_evt.
+ evt_listp);
+
+ }
+ break;
+ case NLP_NPR_LIST:
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
+ /* Put it at the end of the npr list */
+ list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
+ phba->fc_npr_cnt++;
+
+ /*
+ * Sanity check for Fabric entity.
+ * Set nodev_tmo for NPR state, for Fabric use 1 sec.
+ */
+ if (nlp->nlp_type & NLP_FABRIC) {
+ mod_timer(&nlp->nlp_tmofunc, jiffies + HZ);
+ }
+ else {
+ mod_timer(&nlp->nlp_tmofunc,
+ jiffies + HZ * phba->cfg_nodev_tmo);
+ }
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= NLP_NODEV_TMO;
+ nlp->nlp_flag &= ~NLP_RCV_PLOGI;
+ spin_unlock_irq(phba->host->host_lock);
+ break;
+ case NLP_JUST_DQ:
+ break;
+ }
+
+ /*
+ * We make all the calls into the transport after we have
+ * moved the node between lists. This so that we don't
+ * release the lock while in-between lists.
+ */
+
+ /* Don't upcall midlayer if we're unloading */
+ if (!(phba->fc_flag & FC_UNLOADING)) {
+ /*
+ * We revalidate the rport pointer as the "add" function
+ * may have removed the remote port.
+ */
+ if ((rport_del != none) && nlp->rport)
+ fc_remote_port_block(nlp->rport);
+
+ if (rport_add != none) {
+ /*
+ * Tell the fc transport about the port, if we haven't
+ * already. If we have, and it's a scsi entity, be
+ * sure to unblock any attached scsi devices
+ */
+ if (!nlp->rport)
+ lpfc_register_remote_port(phba, nlp);
+ else
+ fc_remote_port_unblock(nlp->rport);
+
+ /*
+ * if we added to Mapped list, but the remote port
+ * registration failed or assigned a target id outside
+ * our presentable range - move the node to the
+ * Unmapped List
+ */
+ if ((rport_add == mapped) &&
+ ((!nlp->rport) ||
+ (nlp->rport->scsi_target_id == -1) ||
+ (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
+ nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
+ spin_unlock_irq(phba->host->host_lock);
+ lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
+ }
+ }
+ }
+ return (0);
+}
+
+/*
+ * Start / ReStart rescue timer for Discovery / RSCN handling
+ */
+void
+lpfc_set_disctmo(struct lpfc_hba * phba)
+{
+ uint32_t tmo;
+
+ tmo = ((phba->fc_ratov * 2) + 1);
+
+ mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag |= FC_DISC_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+
+ /* Start Discovery Timer state <hba_state> */
+ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+ "%d:0247 Start Discovery Timer state x%x "
+ "Data: x%x x%lx x%x x%x\n",
+ phba->brd_no,
+ phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
+ phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+ return;
+}
+
+/*
+ * Cancel rescue timer for Discovery / RSCN handling
+ */
+int
+lpfc_can_disctmo(struct lpfc_hba * phba)
+{
+ /* Turn off discovery timer if its running */
+ if (phba->fc_flag & FC_DISC_TMO) {
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_DISC_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&phba->fc_disctmo);
+ phba->work_hba_events &= ~WORKER_DISC_TMO;
+ }
+
+ /* Cancel Discovery Timer state <hba_state> */
+ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+ "%d:0248 Cancel Discovery Timer state x%x "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, phba->hba_state, phba->fc_flag,
+ phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+ return (0);
+}
+
+/*
+ * Check specified ring for outstanding IOCB on the SLI queue
+ * Return true if iocb matches the specified nport
+ */
+int
+lpfc_check_sli_ndlp(struct lpfc_hba * phba,
+ struct lpfc_sli_ring * pring,
+ struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
+{
+ struct lpfc_sli *psli;
+ IOCB_t *icmd;
+
+ psli = &phba->sli;
+ icmd = &iocb->iocb;
+ if (pring->ringno == LPFC_ELS_RING) {
+ switch (icmd->ulpCommand) {
+ case CMD_GEN_REQUEST64_CR:
+ if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
+ return (1);
+ case CMD_ELS_REQUEST64_CR:
+ case CMD_XMIT_ELS_RSP64_CX:
+ if (iocb->context1 == (uint8_t *) ndlp)
+ return (1);
+ }
+ } else if (pring->ringno == psli->ip_ring) {
+
+ } else if (pring->ringno == psli->fcp_ring) {
+ /* Skip match check if waiting to relogin to FCP target */
+ if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
+ (ndlp->nlp_flag & NLP_DELAY_TMO)) {
+ return (0);
+ }
+ if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
+ return (1);
+ }
+ } else if (pring->ringno == psli->next_ring) {
+
+ }
+ return (0);
+}
+
+/*
+ * Free resources / clean up outstanding I/Os
+ * associated with nlp_rpi in the LPFC_NODELIST entry.
+ */
+static int
+lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+ struct lpfc_sli *psli;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_iocbq *iocb, *next_iocb;
+ IOCB_t *icmd;
+ uint32_t rpi, i;
+
+ /*
+ * Everything that matches on txcmplq will be returned
+ * by firmware with a no rpi error.
+ */
+ psli = &phba->sli;
+ rpi = ndlp->nlp_rpi;
+ if (rpi) {
+ /* Now process each ring */
+ for (i = 0; i < psli->num_rings; i++) {
+ pring = &psli->ring[i];
+
+ spin_lock_irq(phba->host->host_lock);
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
+ list) {
+ /*
+ * Check to see if iocb matches the nport we are
+ * looking for
+ */
+ if ((lpfc_check_sli_ndlp
+ (phba, pring, iocb, ndlp))) {
+ /* It matches, so deque and call compl
+ with an error */
+ list_del(&iocb->list);
+ pring->txq_cnt--;
+ if (iocb->iocb_cmpl) {
+ icmd = &iocb->iocb;
+ icmd->ulpStatus =
+ IOSTAT_LOCAL_REJECT;
+ icmd->un.ulpWord[4] =
+ IOERR_SLI_ABORTED;
+ spin_unlock_irq(phba->host->
+ host_lock);
+ (iocb->iocb_cmpl) (phba,
+ iocb, iocb);
+ spin_lock_irq(phba->host->
+ host_lock);
+ } else {
+ list_add_tail(&iocb->list,
+ &phba->lpfc_iocb_list);
+ }
+ }
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ }
+ }
+ return (0);
+}
+
+/*
+ * Free rpi associated with LPFC_NODELIST entry.
+ * This routine is called from lpfc_freenode(), when we are removing
+ * a LPFC_NODELIST entry. It is also called if the driver initiates a
+ * LOGO that completes successfully, and we are waiting to PLOGI back
+ * to the remote NPort. In addition, it is called after we receive
+ * and unsolicated ELS cmd, send back a rsp, the rsp completes and
+ * we are waiting to PLOGI back to the remote NPort.
+ */
+int
+lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+ LPFC_MBOXQ_t *mbox;
+ int rc;
+
+ if (ndlp->nlp_rpi) {
+ if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+ lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
+ mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
+ rc = lpfc_sli_issue_mbox
+ (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED)
+ mempool_free( mbox, phba->mbox_mem_pool);
+ }
+ lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+ lpfc_no_rpi(phba, ndlp);
+ ndlp->nlp_rpi = 0;
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * Free resources associated with LPFC_NODELIST entry
+ * so it can be freed.
+ */
+static int
+lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+ LPFC_MBOXQ_t *mb;
+ LPFC_MBOXQ_t *nextmb;
+ struct lpfc_dmabuf *mp;
+ struct fc_rport *rport;
+
+ /* Cleanup node for NPort <nlp_DID> */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0900 Cleanup node for NPort x%x "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+ ndlp->nlp_state, ndlp->nlp_rpi);
+
+ lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
+
+ /*
+ * if unloading the driver - just leave the remote port in place.
+ * The driver unload will force the attached devices to detach
+ * and flush cache's w/o generating flush errors.
+ */
+ if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
+ rport = ndlp->rport;
+ ndlp->rport = NULL;
+ fc_remote_port_unblock(rport);
+ fc_remote_port_delete(rport);
+ ndlp->nlp_sid = NLP_NO_SID;
+ }
+
+ /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
+ if ((mb = phba->sli.mbox_active)) {
+ if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+ (ndlp == (struct lpfc_nodelist *) mb->context2)) {
+ mb->context2 = NULL;
+ mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ }
+ }
+ list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
+ if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+ (ndlp == (struct lpfc_nodelist *) mb->context2)) {
+ mp = (struct lpfc_dmabuf *) (mb->context1);
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+ list_del(&mb->list);
+ mempool_free(mb, phba->mbox_mem_pool);
+ }
+ }
+
+ lpfc_els_abort(phba,ndlp,0);
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO);
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&ndlp->nlp_tmofunc);
+
+ del_timer_sync(&ndlp->nlp_delayfunc);
+
+ if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
+ if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+ list_del_init(&ndlp->els_retry_evt.evt_listp);
+
+ lpfc_unreg_rpi(phba, ndlp);
+
+ return (0);
+}
+
+/*
+ * Check to see if we can free the nlp back to the freelist.
+ * If we are in the middle of using the nlp in the discovery state
+ * machine, defer the free till we reach the end of the state machine.
+ */
+int
+lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+ if (ndlp->nlp_flag & NLP_NODEV_TMO) {
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag &= ~NLP_NODEV_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&ndlp->nlp_tmofunc);
+ if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
+
+ }
+
+
+ if (ndlp->nlp_flag & NLP_DELAY_TMO) {
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag &= ~NLP_DELAY_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&ndlp->nlp_delayfunc);
+ if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+ list_del_init(&ndlp->els_retry_evt.evt_listp);
+ }
+
+ if (ndlp->nlp_disc_refcnt) {
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag |= NLP_DELAY_REMOVE;
+ spin_unlock_irq(phba->host->host_lock);
+ }
+ else {
+ lpfc_freenode(phba, ndlp);
+ mempool_free( ndlp, phba->nlp_mem_pool);
+ }
+ return(0);
+}
+
+static int
+lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
+{
+ D_ID mydid;
+ D_ID ndlpdid;
+ D_ID matchdid;
+
+ if (did == Bcast_DID)
+ return (0);
+
+ if (ndlp->nlp_DID == 0) {
+ return (0);
+ }
+
+ /* First check for Direct match */
+ if (ndlp->nlp_DID == did)
+ return (1);
+
+ /* Next check for area/domain identically equals 0 match */
+ mydid.un.word = phba->fc_myDID;
+ if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
+ return (0);
+ }
+
+ matchdid.un.word = did;
+ ndlpdid.un.word = ndlp->nlp_DID;
+ if (matchdid.un.b.id == ndlpdid.un.b.id) {
+ if ((mydid.un.b.domain == matchdid.un.b.domain) &&
+ (mydid.un.b.area == matchdid.un.b.area)) {
+ if ((ndlpdid.un.b.domain == 0) &&
+ (ndlpdid.un.b.area == 0)) {
+ if (ndlpdid.un.b.id)
+ return (1);
+ }
+ return (0);
+ }
+
+ matchdid.un.word = ndlp->nlp_DID;
+ if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
+ (mydid.un.b.area == ndlpdid.un.b.area)) {
+ if ((matchdid.un.b.domain == 0) &&
+ (matchdid.un.b.area == 0)) {
+ if (matchdid.un.b.id)
+ return (1);
+ }
+ }
+ }
+ return (0);
+}
+
+/* Search for a nodelist entry on a specific list */
+struct lpfc_nodelist *
+lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
+{
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+ uint32_t data1;
+
+ if (order & NLP_SEARCH_UNMAPPED) {
+ list_for_each_entry_safe(ndlp, next_ndlp,
+ &phba->fc_nlpunmap_list, nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* FIND node DID unmapped */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0929 FIND node DID unmapped"
+ " Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_MAPPED) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* FIND node DID mapped */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0930 FIND node DID mapped "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_PLOGI) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to PLOGI */
+ /* FIND node DID plogi */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0908 FIND node DID plogi "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_ADISC) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to ADISC */
+ /* FIND node DID adisc */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0931 FIND node DID adisc "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_REGLOGIN) {
+ list_for_each_entry_safe(ndlp, next_ndlp,
+ &phba->fc_reglogin_list, nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to REGLOGIN */
+ /* FIND node DID reglogin */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0931 FIND node DID reglogin"
+ " Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_PRLI) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to PRLI */
+ /* FIND node DID prli */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0931 FIND node DID prli "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_NPR) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to NPR */
+ /* FIND node DID npr */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0931 FIND node DID npr "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ if (order & NLP_SEARCH_UNUSED) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+ nlp_listp) {
+ if (lpfc_matchdid(phba, ndlp, did)) {
+
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* LOG change to UNUSED */
+ /* FIND node DID unused */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
+ "%d:0931 FIND node DID unused "
+ "Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return (ndlp);
+ }
+ }
+ }
+
+ /* FIND node did <did> NOT FOUND */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_NODE,
+ "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
+ phba->brd_no, did, order);
+
+ /* no match found */
+ return NULL;
+}
+
+struct lpfc_nodelist *
+lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
+{
+ struct lpfc_nodelist *ndlp;
+ uint32_t flg;
+
+ if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
+ if ((phba->hba_state == LPFC_HBA_READY) &&
+ ((lpfc_rscn_payload_check(phba, did) == 0)))
+ return NULL;
+ ndlp = (struct lpfc_nodelist *)
+ mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
+ if (!ndlp)
+ return NULL;
+ lpfc_nlp_init(phba, ndlp, did);
+ ndlp->nlp_state = NLP_STE_NPR_NODE;
+ lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
+ ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+ return ndlp;
+ }
+ if ((phba->hba_state == LPFC_HBA_READY) &&
+ (phba->fc_flag & FC_RSCN_MODE)) {
+ if (lpfc_rscn_payload_check(phba, did)) {
+ ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+ }
+ else {
+ ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+ ndlp = NULL;
+ }
+ }
+ else {
+ flg = ndlp->nlp_flag & NLP_LIST_MASK;
+ if ((flg == NLP_ADISC_LIST) ||
+ (flg == NLP_PLOGI_LIST)) {
+ return NULL;
+ }
+ ndlp->nlp_state = NLP_STE_NPR_NODE;
+ lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
+ ndlp->nlp_flag |= NLP_NPR_2B_DISC;
+ }
+ return ndlp;
+}
+
+/* Build a list of nodes to discover based on the loopmap */
+void
+lpfc_disc_list_loopmap(struct lpfc_hba * phba)
+{
+ int j;
+ uint32_t alpa, index;
+
+ if (phba->hba_state <= LPFC_LINK_DOWN) {
+ return;
+ }
+ if (phba->fc_topology != TOPOLOGY_LOOP) {
+ return;
+ }
+
+ /* Check for loop map present or not */
+ if (phba->alpa_map[0]) {
+ for (j = 1; j <= phba->alpa_map[0]; j++) {
+ alpa = phba->alpa_map[j];
+
+ if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
+ continue;
+ }
+ lpfc_setup_disc_node(phba, alpa);
+ }
+ } else {
+ /* No alpamap, so try all alpa's */
+ for (j = 0; j < FC_MAXLOOP; j++) {
+ /* If cfg_scan_down is set, start from highest
+ * ALPA (0xef) to lowest (0x1).
+ */
+ if (phba->cfg_scan_down)
+ index = j;
+ else
+ index = FC_MAXLOOP - j - 1;
+ alpa = lpfcAlpaArray[index];
+ if ((phba->fc_myDID & 0xff) == alpa) {
+ continue;
+ }
+
+ lpfc_setup_disc_node(phba, alpa);
+ }
+ }
+ return;
+}
+
+/* Start Link up / RSCN discovery on NPR list */
+void
+lpfc_disc_start(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli;
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+ uint32_t did_changed, num_sent;
+ uint32_t clear_la_pending;
+ int rc;
+
+ psli = &phba->sli;
+
+ if (phba->hba_state <= LPFC_LINK_DOWN) {
+ return;
+ }
+ if (phba->hba_state == LPFC_CLEAR_LA)
+ clear_la_pending = 1;
+ else
+ clear_la_pending = 0;
+
+ if (phba->hba_state < LPFC_HBA_READY) {
+ phba->hba_state = LPFC_DISC_AUTH;
+ }
+ lpfc_set_disctmo(phba);
+
+ if (phba->fc_prevDID == phba->fc_myDID) {
+ did_changed = 0;
+ } else {
+ did_changed = 1;
+ }
+ phba->fc_prevDID = phba->fc_myDID;
+ phba->num_disc_nodes = 0;
+
+ /* Start Discovery state <hba_state> */
+ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+ "%d:0202 Start Discovery hba state x%x "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, phba->hba_state, phba->fc_flag,
+ phba->fc_plogi_cnt, phba->fc_adisc_cnt);
+
+ /* If our did changed, we MUST do PLOGI */
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+ nlp_listp) {
+ if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+ if (did_changed) {
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag &= ~NLP_NPR_ADISC;
+ spin_unlock_irq(phba->host->host_lock);
+ }
+ }
+ }
+
+ /* First do ADISCs - if any */
+ num_sent = lpfc_els_disc_adisc(phba);
+
+ if (num_sent)
+ return;
+
+ if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
+ /* If we get here, there is nothing to ADISC */
+ if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
+ phba->hba_state = LPFC_CLEAR_LA;
+ lpfc_clear_la(phba, mbox);
+ mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ rc = lpfc_sli_issue_mbox(phba, mbox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free( mbox, phba->mbox_mem_pool);
+ lpfc_disc_flush_list(phba);
+ psli->ring[(psli->ip_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->fcp_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->next_ring)].flag &=
+ ~LPFC_STOP_IOCB_EVENT;
+ phba->hba_state = LPFC_HBA_READY;
+ }
+ }
+ } else {
+ /* Next do PLOGIs - if any */
+ num_sent = lpfc_els_disc_plogi(phba);
+
+ if (num_sent)
+ return;
+
+ if (phba->fc_flag & FC_RSCN_MODE) {
+ /* Check to see if more RSCNs came in while we
+ * were processing this one.
+ */
+ if ((phba->fc_rscn_id_cnt == 0) &&
+ (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_RSCN_MODE;
+ spin_unlock_irq(phba->host->host_lock);
+ }
+ else
+ lpfc_els_handle_rscn(phba);
+ }
+ }
+ return;
+}
+
+/*
+ * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
+ * ring the match the sppecified nodelist.
+ */
+static void
+lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
+{
+ struct lpfc_sli *psli;
+ IOCB_t *icmd;
+ struct lpfc_iocbq *iocb, *next_iocb;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_dmabuf *mp;
+
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_ELS_RING];
+
+ /* Error matching iocb on txq or txcmplq
+ * First check the txq.
+ */
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
+ if (iocb->context1 != ndlp) {
+ continue;
+ }
+ icmd = &iocb->iocb;
+ if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
+ (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
+
+ list_del(&iocb->list);
+ pring->txq_cnt--;
+ lpfc_els_free_iocb(phba, iocb);
+ }
+ }
+
+ /* Next check the txcmplq */
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
+ if (iocb->context1 != ndlp) {
+ continue;
+ }
+ icmd = &iocb->iocb;
+ if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
+ (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
+
+ iocb->iocb_cmpl = NULL;
+ /* context2 = cmd, context2->next = rsp, context3 =
+ bpl */
+ if (iocb->context2) {
+ /* Free the response IOCB before handling the
+ command. */
+
+ mp = (struct lpfc_dmabuf *) (iocb->context2);
+ mp = list_get_first(&mp->list,
+ struct lpfc_dmabuf,
+ list);
+ if (mp) {
+ /* Delay before releasing rsp buffer to
+ * give UNREG mbox a chance to take
+ * effect.
+ */
+ list_add(&mp->list,
+ &phba->freebufList);
+ }
+ lpfc_mbuf_free(phba,
+ ((struct lpfc_dmabuf *)
+ iocb->context2)->virt,
+ ((struct lpfc_dmabuf *)
+ iocb->context2)->phys);
+ kfree(iocb->context2);
+ }
+
+ if (iocb->context3) {
+ lpfc_mbuf_free(phba,
+ ((struct lpfc_dmabuf *)
+ iocb->context3)->virt,
+ ((struct lpfc_dmabuf *)
+ iocb->context3)->phys);
+ kfree(iocb->context3);
+ }
+ }
+ }
+
+ return;
+}
+
+void
+lpfc_disc_flush_list(struct lpfc_hba * phba)
+{
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+
+ if (phba->fc_plogi_cnt) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
+ nlp_listp) {
+ lpfc_free_tx(phba, ndlp);
+ lpfc_nlp_remove(phba, ndlp);
+ }
+ }
+ if (phba->fc_adisc_cnt) {
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+ nlp_listp) {
+ lpfc_free_tx(phba, ndlp);
+ lpfc_nlp_remove(phba, ndlp);
+ }
+ }
+ return;
+}
+
+/*****************************************************************************/
+/*
+ * NAME: lpfc_disc_timeout
+ *
+ * FUNCTION: Fibre Channel driver discovery timeout routine.
+ *
+ * EXECUTION ENVIRONMENT: interrupt only
+ *
+ * CALLED FROM:
+ * Timer function
+ *
+ * RETURNS:
+ * none
+ */
+/*****************************************************************************/
+void
+lpfc_disc_timeout(unsigned long ptr)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+ unsigned long flags = 0;
+
+ if (unlikely(!phba))
+ return;
+
+ spin_lock_irqsave(phba->host->host_lock, flags);
+ if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
+ phba->work_hba_events |= WORKER_DISC_TMO;
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+ }
+ spin_unlock_irqrestore(phba->host->host_lock, flags);
+ return;
+}
+
+static void
+lpfc_disc_timeout_handler(struct lpfc_hba *phba)
+{
+ struct lpfc_sli *psli;
+ struct lpfc_nodelist *ndlp;
+ LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
+ int rc, clrlaerr = 0;
+
+ if (unlikely(!phba))
+ return;
+
+ if (!(phba->fc_flag & FC_DISC_TMO))
+ return;
+
+ psli = &phba->sli;
+
+ spin_lock_irq(phba->host->host_lock);
+ phba->fc_flag &= ~FC_DISC_TMO;
+ spin_unlock_irq(phba->host->host_lock);
+
+ switch (phba->hba_state) {
+
+ case LPFC_LOCAL_CFG_LINK:
+ /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
+ /* FAN timeout */
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_DISCOVERY,
+ "%d:0221 FAN timeout\n",
+ phba->brd_no);
+
+ /* Forget about FAN, Start discovery by sending a FLOGI
+ * hba_state is identically LPFC_FLOGI while waiting for FLOGI
+ * cmpl
+ */
+ phba->hba_state = LPFC_FLOGI;
+ lpfc_set_disctmo(phba);
+ lpfc_initial_flogi(phba);
+ break;
+
+ case LPFC_FLOGI:
+ /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
+ /* Initial FLOGI timeout */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_DISCOVERY,
+ "%d:0222 Initial FLOGI timeout\n",
+ phba->brd_no);
+
+ /* Assume no Fabric and go on with discovery.
+ * Check for outstanding ELS FLOGI to abort.
+ */
+
+ /* FLOGI failed, so just use loop map to make discovery list */
+ lpfc_disc_list_loopmap(phba);
+
+ /* Start discovery */
+ lpfc_disc_start(phba);
+ break;
+
+ case LPFC_FABRIC_CFG_LINK:
+ /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
+ NameServer login */
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0223 Timeout while waiting for NameServer "
+ "login\n", phba->brd_no);
+
+ /* Next look for NameServer ndlp */
+ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
+ if (ndlp)
+ lpfc_nlp_remove(phba, ndlp);
+ /* Start discovery */
+ lpfc_disc_start(phba);
+ break;
+
+ case LPFC_NS_QRY:
+ /* Check for wait for NameServer Rsp timeout */
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0224 NameServer Query timeout "
+ "Data: x%x x%x\n",
+ phba->brd_no,
+ phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
+
+ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
+ NameServer_DID);
+ if (ndlp) {
+ if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
+ /* Try it one more time */
+ rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
+ if (rc == 0)
+ break;
+ }
+ phba->fc_ns_retry = 0;
+ }
+
+ /* Nothing to authenticate, so CLEAR_LA right now */
+ clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!clearlambox) {
+ clrlaerr = 1;
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0226 Device Discovery "
+ "completion error\n",
+ phba->brd_no);
+ phba->hba_state = LPFC_HBA_ERROR;
+ break;
+ }
+
+ phba->hba_state = LPFC_CLEAR_LA;
+ lpfc_clear_la(phba, clearlambox);
+ clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ rc = lpfc_sli_issue_mbox(phba, clearlambox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(clearlambox, phba->mbox_mem_pool);
+ clrlaerr = 1;
+ break;
+ }
+
+ /* Setup and issue mailbox INITIALIZE LINK command */
+ initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!initlinkmbox) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0226 Device Discovery "
+ "completion error\n",
+ phba->brd_no);
+ phba->hba_state = LPFC_HBA_ERROR;
+ break;
+ }
+
+ lpfc_linkdown(phba);
+ lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
+ phba->cfg_link_speed);
+ initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
+ rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED)
+ mempool_free(initlinkmbox, phba->mbox_mem_pool);
+
+ break;
+
+ case LPFC_DISC_AUTH:
+ /* Node Authentication timeout */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_DISCOVERY,
+ "%d:0227 Node Authentication timeout\n",
+ phba->brd_no);
+ lpfc_disc_flush_list(phba);
+ clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!clearlambox) {
+ clrlaerr = 1;
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "%d:0226 Device Discovery "
+ "completion error\n",
+ phba->brd_no);
+ phba->hba_state = LPFC_HBA_ERROR;
+ break;
+ }
+ phba->hba_state = LPFC_CLEAR_LA;
+ lpfc_clear_la(phba, clearlambox);
+ clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ rc = lpfc_sli_issue_mbox(phba, clearlambox,
+ (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(clearlambox, phba->mbox_mem_pool);
+ clrlaerr = 1;
+ }
+ break;
+
+ case LPFC_CLEAR_LA:
+ /* CLEAR LA timeout */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_DISCOVERY,
+ "%d:0228 CLEAR LA timeout\n",
+ phba->brd_no);
+ clrlaerr = 1;
+ break;
+
+ case LPFC_HBA_READY:
+ if (phba->fc_flag & FC_RSCN_MODE) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_DISCOVERY,
+ "%d:0231 RSCN timeout Data: x%x x%x\n",
+ phba->brd_no,
+ phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
+
+ /* Cleanup any outstanding ELS commands */
+ lpfc_els_flush_cmd(phba);
+
+ lpfc_els_flush_rscn(phba);
+ lpfc_disc_flush_list(phba);
+ }
+ break;
+ }
+
+ if (clrlaerr) {
+ lpfc_disc_flush_list(phba);
+ psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ phba->hba_state = LPFC_HBA_READY;
+ }
+
+ return;
+}
+
+static void
+lpfc_nodev_timeout(unsigned long ptr)
+{
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ unsigned long iflag;
+ struct lpfc_work_evt *evtp;
+
+ ndlp = (struct lpfc_nodelist *)ptr;
+ phba = ndlp->nlp_phba;
+ evtp = &ndlp->nodev_timeout_evt;
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ if (!list_empty(&evtp->evt_listp)) {
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return;
+ }
+ evtp->evt_arg1 = ndlp;
+ evtp->evt = LPFC_EVT_NODEV_TMO;
+ list_add_tail(&evtp->evt_listp, &phba->work_list);
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return;
+}
+
+
+/*
+ * This routine handles processing a NameServer REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is
+ * handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+{
+ struct lpfc_sli *psli;
+ MAILBOX_t *mb;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_nodelist *ndlp;
+
+ psli = &phba->sli;
+ mb = &pmb->mb;
+
+ ndlp = (struct lpfc_nodelist *) pmb->context2;
+ mp = (struct lpfc_dmabuf *) (pmb->context1);
+
+ pmb->context1 = NULL;
+
+ if (ndlp->nlp_rpi != 0)
+ lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi);
+ ndlp->nlp_rpi = mb->un.varWords[0];
+ lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi);
+ ndlp->nlp_type |= NLP_FABRIC;
+ ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
+ lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
+
+ /* Start issuing Fabric-Device Management Interface (FDMI)
+ * command to 0xfffffa (FDMI well known port)
+ */
+ if (phba->cfg_fdmi_on == 1) {
+ lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
+ } else {
+ /*
+ * Delay issuing FDMI command if fdmi-on=2
+ * (supporting RPA/hostnmae)
+ */
+ mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
+ }
+
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+
+ return;
+}
+
+/*
+ * This routine looks up the ndlp hash
+ * table for the given RPI. If rpi found
+ * it return the node list pointer
+ * else return 0.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
+{
+ struct lpfc_nodelist *ret;
+
+ ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
+ while ((ret != 0) && (ret->nlp_rpi != rpi)) {
+ ret = ret->nlp_rpi_hash_next;
+ }
+ return ret;
+}
+
+/*
+ * This routine looks up the ndlp hash table for the
+ * given RPI. If rpi found it return the node list
+ * pointer else return 0 after deleting the entry
+ * from hash table.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_remove_rpi(struct lpfc_hba * phba, uint16_t rpi)
+{
+ struct lpfc_nodelist *ret, *temp;;
+
+ ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)];
+ if (ret == 0)
+ return NULL;
+
+ if (ret->nlp_rpi == rpi) {
+ phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)] =
+ ret->nlp_rpi_hash_next;
+ ret->nlp_rpi_hash_next = NULL;
+ return ret;
+ }
+
+ while ((ret->nlp_rpi_hash_next != 0) &&
+ (ret->nlp_rpi_hash_next->nlp_rpi != rpi)) {
+ ret = ret->nlp_rpi_hash_next;
+ }
+
+ if (ret->nlp_rpi_hash_next != 0) {
+ temp = ret->nlp_rpi_hash_next;
+ ret->nlp_rpi_hash_next = temp->nlp_rpi_hash_next;
+ temp->nlp_rpi_hash_next = NULL;
+ return temp;
+ } else {
+ return NULL;
+ }
+}
+
+/*
+ * This routine adds the node list entry to the
+ * ndlp hash table.
+ */
+void
+lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
+ uint16_t rpi)
+{
+
+ uint32_t index;
+
+ index = LPFC_RPI_HASH_FUNC(rpi);
+ ndlp->nlp_rpi_hash_next = phba->fc_nlplookup[index];
+ phba->fc_nlplookup[index] = ndlp;
+ return;
+}
+
+void
+lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
+ uint32_t did)
+{
+ memset(ndlp, 0, sizeof (struct lpfc_nodelist));
+ INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp);
+ INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
+ init_timer(&ndlp->nlp_tmofunc);
+ ndlp->nlp_tmofunc.function = lpfc_nodev_timeout;
+ ndlp->nlp_tmofunc.data = (unsigned long)ndlp;
+ init_timer(&ndlp->nlp_delayfunc);
+ ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
+ ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
+ ndlp->nlp_DID = did;
+ ndlp->nlp_phba = phba;
+ ndlp->nlp_sid = NLP_NO_SID;
+ return;
+}