Initial import

1 files changed, 11477 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
new file mode 100644
index 000000000..ddf80eb11
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -0,0 +1,11477 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2004-2015 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/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/kthread.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/ctype.h>
+#include <linux/aer.h>
+#include <linux/slab.h>
+#include <linux/firmware.h>
+#include <linux/miscdevice.h>
+#include <linux/percpu.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw4.h"
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
+#include "lpfc_disc.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_crtn.h"
+#include "lpfc_vport.h"
+#include "lpfc_version.h"
+
+char *_dump_buf_data;
+unsigned long _dump_buf_data_order;
+char *_dump_buf_dif;
+unsigned long _dump_buf_dif_order;
+spinlock_t _dump_buf_lock;
+
+/* Used when mapping IRQ vectors in a driver centric manner */
+uint16_t *lpfc_used_cpu;
+uint32_t lpfc_present_cpu;
+
+static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
+static int lpfc_post_rcv_buf(struct lpfc_hba *);
+static int lpfc_sli4_queue_verify(struct lpfc_hba *);
+static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
+static int lpfc_setup_endian_order(struct lpfc_hba *);
+static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
+static void lpfc_free_els_sgl_list(struct lpfc_hba *);
+static void lpfc_init_sgl_list(struct lpfc_hba *);
+static int lpfc_init_active_sgl_array(struct lpfc_hba *);
+static void lpfc_free_active_sgl(struct lpfc_hba *);
+static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
+static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
+static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
+static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
+static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
+static void lpfc_sli4_disable_intr(struct lpfc_hba *);
+static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
+static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);
+
+static struct scsi_transport_template *lpfc_transport_template = NULL;
+static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
+static DEFINE_IDR(lpfc_hba_index);
+
+/**
+ * lpfc_config_port_prep - Perform lpfc initialization prior to config port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
+ * mailbox command. It retrieves the revision information from the HBA and
+ * collects the Vital Product Data (VPD) about the HBA for preparing the
+ * configuration of the HBA.
+ *
+ * Return codes:
+ *   0 - success.
+ *   -ERESTART - requests the SLI layer to reset the HBA and try again.
+ *   Any other value - indicates an error.
+ **/
+int
+lpfc_config_port_prep(struct lpfc_hba *phba)
+{
+	lpfc_vpd_t *vp = &phba->vpd;
+	int i = 0, rc;
+	LPFC_MBOXQ_t *pmb;
+	MAILBOX_t *mb;
+	char *lpfc_vpd_data = NULL;
+	uint16_t offset = 0;
+	static char licensed[56] =
+		    "key unlock for use with gnu public licensed code only\0";
+	static int init_key = 1;
+
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
+	mb = &pmb->u.mb;
+	phba->link_state = LPFC_INIT_MBX_CMDS;
+
+	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
+		if (init_key) {
+			uint32_t *ptext = (uint32_t *) licensed;
+
+			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
+				*ptext = cpu_to_be32(*ptext);
+			init_key = 0;
+		}
+
+		lpfc_read_nv(phba, pmb);
+		memset((char*)mb->un.varRDnvp.rsvd3, 0,
+			sizeof (mb->un.varRDnvp.rsvd3));
+		memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
+			 sizeof (licensed));
+
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+
+		if (rc != MBX_SUCCESS) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+					"0324 Config Port initialization "
+					"error, mbxCmd x%x READ_NVPARM, "
+					"mbxStatus x%x\n",
+					mb->mbxCommand, mb->mbxStatus);
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -ERESTART;
+		}
+		memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
+		       sizeof(phba->wwnn));
+		memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
+		       sizeof(phba->wwpn));
+	}
+
+	phba->sli3_options = 0x0;
+
+	/* Setup and issue mailbox READ REV command */
+	lpfc_read_rev(phba, pmb);
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0439 Adapter failed to init, mbxCmd x%x "
+				"READ_REV, mbxStatus x%x\n",
+				mb->mbxCommand, mb->mbxStatus);
+		mempool_free( pmb, phba->mbox_mem_pool);
+		return -ERESTART;
+	}
+
+
+	/*
+	 * The value of rr must be 1 since the driver set the cv field to 1.
+	 * This setting requires the FW to set all revision fields.
+	 */
+	if (mb->un.varRdRev.rr == 0) {
+		vp->rev.rBit = 0;
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0440 Adapter failed to init, READ_REV has "
+				"missing revision information.\n");
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -ERESTART;
+	}
+
+	if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -EINVAL;
+	}
+
+	/* Save information as VPD data */
+	vp->rev.rBit = 1;
+	memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
+	vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
+	memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
+	vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
+	memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
+	vp->rev.biuRev = mb->un.varRdRev.biuRev;
+	vp->rev.smRev = mb->un.varRdRev.smRev;
+	vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
+	vp->rev.endecRev = mb->un.varRdRev.endecRev;
+	vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
+	vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
+	vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
+	vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
+	vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
+	vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
+
+	/* If the sli feature level is less then 9, we must
+	 * tear down all RPIs and VPIs on link down if NPIV
+	 * is enabled.
+	 */
+	if (vp->rev.feaLevelHigh < 9)
+		phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
+
+	if (lpfc_is_LC_HBA(phba->pcidev->device))
+		memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
+						sizeof (phba->RandomData));
+
+	/* Get adapter VPD information */
+	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
+	if (!lpfc_vpd_data)
+		goto out_free_mbox;
+	do {
+		lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+
+		if (rc != MBX_SUCCESS) {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0441 VPD not present on adapter, "
+					"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
+					mb->mbxCommand, mb->mbxStatus);
+			mb->un.varDmp.word_cnt = 0;
+		}
+		/* dump mem may return a zero when finished or we got a
+		 * mailbox error, either way we are done.
+		 */
+		if (mb->un.varDmp.word_cnt == 0)
+			break;
+		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
+			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
+		lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
+				      lpfc_vpd_data + offset,
+				      mb->un.varDmp.word_cnt);
+		offset += mb->un.varDmp.word_cnt;
+	} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
+	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
+
+	kfree(lpfc_vpd_data);
+out_free_mbox:
+	mempool_free(pmb, phba->mbox_mem_pool);
+	return 0;
+}
+
+/**
+ * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the completion handler for driver's configuring asynchronous event
+ * mailbox command to the device. If the mailbox command returns successfully,
+ * it will set internal async event support flag to 1; otherwise, it will
+ * set internal async event support flag to 0.
+ **/
+static void
+lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
+{
+	if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
+		phba->temp_sensor_support = 1;
+	else
+		phba->temp_sensor_support = 0;
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+	return;
+}
+
+/**
+ * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the completion handler for dump mailbox command for getting
+ * wake up parameters. When this command complete, the response contain
+ * Option rom version of the HBA. This function translate the version number
+ * into a human readable string and store it in OptionROMVersion.
+ **/
+static void
+lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+{
+	struct prog_id *prg;
+	uint32_t prog_id_word;
+	char dist = ' ';
+	/* character array used for decoding dist type. */
+	char dist_char[] = "nabx";
+
+	if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
+		mempool_free(pmboxq, phba->mbox_mem_pool);
+		return;
+	}
+
+	prg = (struct prog_id *) &prog_id_word;
+
+	/* word 7 contain option rom version */
+	prog_id_word = pmboxq->u.mb.un.varWords[7];
+
+	/* Decode the Option rom version word to a readable string */
+	if (prg->dist < 4)
+		dist = dist_char[prg->dist];
+
+	if ((prg->dist == 3) && (prg->num == 0))
+		snprintf(phba->OptionROMVersion, 32, "%d.%d%d",
+			prg->ver, prg->rev, prg->lev);
+	else
+		snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d",
+			prg->ver, prg->rev, prg->lev,
+			dist, prg->num);
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+	return;
+}
+
+/**
+ * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
+ *	cfg_soft_wwnn, cfg_soft_wwpn
+ * @vport: pointer to lpfc vport data structure.
+ *
+ *
+ * Return codes
+ *   None.
+ **/
+void
+lpfc_update_vport_wwn(struct lpfc_vport *vport)
+{
+	/* If the soft name exists then update it using the service params */
+	if (vport->phba->cfg_soft_wwnn)
+		u64_to_wwn(vport->phba->cfg_soft_wwnn,
+			   vport->fc_sparam.nodeName.u.wwn);
+	if (vport->phba->cfg_soft_wwpn)
+		u64_to_wwn(vport->phba->cfg_soft_wwpn,
+			   vport->fc_sparam.portName.u.wwn);
+
+	/*
+	 * If the name is empty or there exists a soft name
+	 * then copy the service params name, otherwise use the fc name
+	 */
+	if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
+		memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
+			sizeof(struct lpfc_name));
+	else
+		memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
+			sizeof(struct lpfc_name));
+
+	if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
+		memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
+			sizeof(struct lpfc_name));
+	else
+		memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
+			sizeof(struct lpfc_name));
+}
+
+/**
+ * lpfc_config_port_post - Perform lpfc initialization after config port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine will do LPFC initialization after the CONFIG_PORT mailbox
+ * command call. It performs all internal resource and state setups on the
+ * port: post IOCB buffers, enable appropriate host interrupt attentions,
+ * ELS ring timers, etc.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+int
+lpfc_config_port_post(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	LPFC_MBOXQ_t *pmb;
+	MAILBOX_t *mb;
+	struct lpfc_dmabuf *mp;
+	struct lpfc_sli *psli = &phba->sli;
+	uint32_t status, timeout;
+	int i, j;
+	int rc;
+
+	spin_lock_irq(&phba->hbalock);
+	/*
+	 * If the Config port completed correctly the HBA is not
+	 * over heated any more.
+	 */
+	if (phba->over_temp_state == HBA_OVER_TEMP)
+		phba->over_temp_state = HBA_NORMAL_TEMP;
+	spin_unlock_irq(&phba->hbalock);
+
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+	mb = &pmb->u.mb;
+
+	/* Get login parameters for NID.  */
+	rc = lpfc_read_sparam(phba, pmb, 0);
+	if (rc) {
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -ENOMEM;
+	}
+
+	pmb->vport = vport;
+	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0448 Adapter failed init, mbxCmd x%x "
+				"READ_SPARM mbxStatus x%x\n",
+				mb->mbxCommand, mb->mbxStatus);
+		phba->link_state = LPFC_HBA_ERROR;
+		mp = (struct lpfc_dmabuf *) pmb->context1;
+		mempool_free(pmb, phba->mbox_mem_pool);
+		lpfc_mbuf_free(phba, mp->virt, mp->phys);
+		kfree(mp);
+		return -EIO;
+	}
+
+	mp = (struct lpfc_dmabuf *) pmb->context1;
+
+	memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+	kfree(mp);
+	pmb->context1 = NULL;
+	lpfc_update_vport_wwn(vport);
+
+	/* Update the fc_host data structures with new wwn. */
+	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
+	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
+	fc_host_max_npiv_vports(shost) = phba->max_vpi;
+
+	/* If no serial number in VPD data, use low 6 bytes of WWNN */
+	/* This should be consolidated into parse_vpd ? - mr */
+	if (phba->SerialNumber[0] == 0) {
+		uint8_t *outptr;
+
+		outptr = &vport->fc_nodename.u.s.IEEE[0];
+		for (i = 0; i < 12; i++) {
+			status = *outptr++;
+			j = ((status & 0xf0) >> 4);
+			if (j <= 9)
+				phba->SerialNumber[i] =
+				    (char)((uint8_t) 0x30 + (uint8_t) j);
+			else
+				phba->SerialNumber[i] =
+				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
+			i++;
+			j = (status & 0xf);
+			if (j <= 9)
+				phba->SerialNumber[i] =
+				    (char)((uint8_t) 0x30 + (uint8_t) j);
+			else
+				phba->SerialNumber[i] =
+				    (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
+		}
+	}
+
+	lpfc_read_config(phba, pmb);
+	pmb->vport = vport;
+	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0453 Adapter failed to init, mbxCmd x%x "
+				"READ_CONFIG, mbxStatus x%x\n",
+				mb->mbxCommand, mb->mbxStatus);
+		phba->link_state = LPFC_HBA_ERROR;
+		mempool_free( pmb, phba->mbox_mem_pool);
+		return -EIO;
+	}
+
+	/* Check if the port is disabled */
+	lpfc_sli_read_link_ste(phba);
+
+	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
+	i = (mb->un.varRdConfig.max_xri + 1);
+	if (phba->cfg_hba_queue_depth > i) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"3359 HBA queue depth changed from %d to %d\n",
+				phba->cfg_hba_queue_depth, i);
+		phba->cfg_hba_queue_depth = i;
+	}
+
+	/* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3)  */
+	i = (mb->un.varRdConfig.max_xri >> 3);
+	if (phba->pport->cfg_lun_queue_depth > i) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"3360 LUN queue depth changed from %d to %d\n",
+				phba->pport->cfg_lun_queue_depth, i);
+		phba->pport->cfg_lun_queue_depth = i;
+	}
+
+	phba->lmt = mb->un.varRdConfig.lmt;
+
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
+	phba->link_state = LPFC_LINK_DOWN;
+
+	/* Only process IOCBs on ELS ring till hba_state is READY */
+	if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
+		psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
+	if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
+		psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
+	if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
+		psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
+
+	/* Post receive buffers for desired rings */
+	if (phba->sli_rev != 3)
+		lpfc_post_rcv_buf(phba);
+
+	/*
+	 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
+	 */
+	if (phba->intr_type == MSIX) {
+		rc = lpfc_config_msi(phba, pmb);
+		if (rc) {
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -EIO;
+		}
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+					"0352 Config MSI mailbox command "
+					"failed, mbxCmd x%x, mbxStatus x%x\n",
+					pmb->u.mb.mbxCommand,
+					pmb->u.mb.mbxStatus);
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -EIO;
+		}
+	}
+
+	spin_lock_irq(&phba->hbalock);
+	/* Initialize ERATT handling flag */
+	phba->hba_flag &= ~HBA_ERATT_HANDLED;
+
+	/* Enable appropriate host interrupts */
+	if (lpfc_readl(phba->HCregaddr, &status)) {
+		spin_unlock_irq(&phba->hbalock);
+		return -EIO;
+	}
+	status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
+	if (psli->num_rings > 0)
+		status |= HC_R0INT_ENA;
+	if (psli->num_rings > 1)
+		status |= HC_R1INT_ENA;
+	if (psli->num_rings > 2)
+		status |= HC_R2INT_ENA;
+	if (psli->num_rings > 3)
+		status |= HC_R3INT_ENA;
+
+	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
+	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
+		status &= ~(HC_R0INT_ENA);
+
+	writel(status, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Set up ring-0 (ELS) timer */
+	timeout = phba->fc_ratov * 2;
+	mod_timer(&vport->els_tmofunc,
+		  jiffies + msecs_to_jiffies(1000 * timeout));
+	/* Set up heart beat (HB) timer */
+	mod_timer(&phba->hb_tmofunc,
+		  jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
+	phba->hb_outstanding = 0;
+	phba->last_completion_time = jiffies;
+	/* Set up error attention (ERATT) polling timer */
+	mod_timer(&phba->eratt_poll,
+		  jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
+
+	if (phba->hba_flag & LINK_DISABLED) {
+		lpfc_printf_log(phba,
+			KERN_ERR, LOG_INIT,
+			"2598 Adapter Link is disabled.\n");
+		lpfc_down_link(phba, pmb);
+		pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+		if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
+			lpfc_printf_log(phba,
+			KERN_ERR, LOG_INIT,
+			"2599 Adapter failed to issue DOWN_LINK"
+			" mbox command rc 0x%x\n", rc);
+
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -EIO;
+		}
+	} else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
+		mempool_free(pmb, phba->mbox_mem_pool);
+		rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
+		if (rc)
+			return rc;
+	}
+	/* MBOX buffer will be freed in mbox compl */
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
+	lpfc_config_async(phba, pmb, LPFC_ELS_RING);
+	pmb->mbox_cmpl = lpfc_config_async_cmpl;
+	pmb->vport = phba->pport;
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+
+	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
+		lpfc_printf_log(phba,
+				KERN_ERR,
+				LOG_INIT,
+				"0456 Adapter failed to issue "
+				"ASYNCEVT_ENABLE mbox status x%x\n",
+				rc);
+		mempool_free(pmb, phba->mbox_mem_pool);
+	}
+
+	/* Get Option rom version */
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
+	lpfc_dump_wakeup_param(phba, pmb);
+	pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
+	pmb->vport = phba->pport;
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+
+	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
+				"to get Option ROM version status x%x\n", rc);
+		mempool_free(pmb, phba->mbox_mem_pool);
+	}
+
+	return 0;
+}
+
+/**
+ * lpfc_hba_init_link - Initialize the FC link
+ * @phba: pointer to lpfc hba data structure.
+ * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
+ *
+ * This routine will issue the INIT_LINK mailbox command call.
+ * It is available to other drivers through the lpfc_hba data
+ * structure for use as a delayed link up mechanism with the
+ * module parameter lpfc_suppress_link_up.
+ *
+ * Return code
+ *		0 - success
+ *		Any other value - error
+ **/
+static int
+lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
+{
+	return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
+}
+
+/**
+ * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
+ * @phba: pointer to lpfc hba data structure.
+ * @fc_topology: desired fc topology.
+ * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
+ *
+ * This routine will issue the INIT_LINK mailbox command call.
+ * It is available to other drivers through the lpfc_hba data
+ * structure for use as a delayed link up mechanism with the
+ * module parameter lpfc_suppress_link_up.
+ *
+ * Return code
+ *              0 - success
+ *              Any other value - error
+ **/
+int
+lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
+			       uint32_t flag)
+{
+	struct lpfc_vport *vport = phba->pport;
+	LPFC_MBOXQ_t *pmb;
+	MAILBOX_t *mb;
+	int rc;
+
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+	mb = &pmb->u.mb;
+	pmb->vport = vport;
+
+	if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
+	     !(phba->lmt & LMT_1Gb)) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
+	     !(phba->lmt & LMT_2Gb)) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
+	     !(phba->lmt & LMT_4Gb)) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
+	     !(phba->lmt & LMT_8Gb)) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
+	     !(phba->lmt & LMT_10Gb)) ||
+	    ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
+	     !(phba->lmt & LMT_16Gb))) {
+		/* Reset link speed to auto */
+		lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+			"1302 Invalid speed for this board:%d "
+			"Reset link speed to auto.\n",
+			phba->cfg_link_speed);
+			phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
+	}
+	lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
+	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		lpfc_set_loopback_flag(phba);
+	rc = lpfc_sli_issue_mbox(phba, pmb, flag);
+	if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0498 Adapter failed to init, mbxCmd x%x "
+			"INIT_LINK, mbxStatus x%x\n",
+			mb->mbxCommand, mb->mbxStatus);
+		if (phba->sli_rev <= LPFC_SLI_REV3) {
+			/* Clear all interrupt enable conditions */
+			writel(0, phba->HCregaddr);
+			readl(phba->HCregaddr); /* flush */
+			/* Clear all pending interrupts */
+			writel(0xffffffff, phba->HAregaddr);
+			readl(phba->HAregaddr); /* flush */
+		}
+		phba->link_state = LPFC_HBA_ERROR;
+		if (rc != MBX_BUSY || flag == MBX_POLL)
+			mempool_free(pmb, phba->mbox_mem_pool);
+		return -EIO;
+	}
+	phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
+	if (flag == MBX_POLL)
+		mempool_free(pmb, phba->mbox_mem_pool);
+
+	return 0;
+}
+
+/**
+ * lpfc_hba_down_link - this routine downs the FC link
+ * @phba: pointer to lpfc hba data structure.
+ * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
+ *
+ * This routine will issue the DOWN_LINK mailbox command call.
+ * It is available to other drivers through the lpfc_hba data
+ * structure for use to stop the link.
+ *
+ * Return code
+ *		0 - success
+ *		Any other value - error
+ **/
+static int
+lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
+{
+	LPFC_MBOXQ_t *pmb;
+	int rc;
+
+	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
+	lpfc_printf_log(phba,
+		KERN_ERR, LOG_INIT,
+		"0491 Adapter Link is disabled.\n");
+	lpfc_down_link(phba, pmb);
+	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+	rc = lpfc_sli_issue_mbox(phba, pmb, flag);
+	if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
+		lpfc_printf_log(phba,
+		KERN_ERR, LOG_INIT,
+		"2522 Adapter failed to issue DOWN_LINK"
+		" mbox command rc 0x%x\n", rc);
+
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -EIO;
+	}
+	if (flag == MBX_POLL)
+		mempool_free(pmb, phba->mbox_mem_pool);
+
+	return 0;
+}
+
+/**
+ * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do LPFC uninitialization before the HBA is reset when
+ * bringing down the SLI Layer.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+int
+lpfc_hba_down_prep(struct lpfc_hba *phba)
+{
+	struct lpfc_vport **vports;
+	int i;
+
+	if (phba->sli_rev <= LPFC_SLI_REV3) {
+		/* Disable interrupts */
+		writel(0, phba->HCregaddr);
+		readl(phba->HCregaddr); /* flush */
+	}
+
+	if (phba->pport->load_flag & FC_UNLOADING)
+		lpfc_cleanup_discovery_resources(phba->pport);
+	else {
+		vports = lpfc_create_vport_work_array(phba);
+		if (vports != NULL)
+			for (i = 0; i <= phba->max_vports &&
+				vports[i] != NULL; i++)
+				lpfc_cleanup_discovery_resources(vports[i]);
+		lpfc_destroy_vport_work_array(phba, vports);
+	}
+	return 0;
+}
+
+/**
+ * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
+ * rspiocb which got deferred
+ *
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will cleanup completed slow path events after HBA is reset
+ * when bringing down the SLI Layer.
+ *
+ *
+ * Return codes
+ *   void.
+ **/
+static void
+lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
+{
+	struct lpfc_iocbq *rspiocbq;
+	struct hbq_dmabuf *dmabuf;
+	struct lpfc_cq_event *cq_event;
+
+	spin_lock_irq(&phba->hbalock);
+	phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
+	spin_unlock_irq(&phba->hbalock);
+
+	while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
+		/* Get the response iocb from the head of work queue */
+		spin_lock_irq(&phba->hbalock);
+		list_remove_head(&phba->sli4_hba.sp_queue_event,
+				 cq_event, struct lpfc_cq_event, list);
+		spin_unlock_irq(&phba->hbalock);
+
+		switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
+		case CQE_CODE_COMPL_WQE:
+			rspiocbq = container_of(cq_event, struct lpfc_iocbq,
+						 cq_event);
+			lpfc_sli_release_iocbq(phba, rspiocbq);
+			break;
+		case CQE_CODE_RECEIVE:
+		case CQE_CODE_RECEIVE_V1:
+			dmabuf = container_of(cq_event, struct hbq_dmabuf,
+					      cq_event);
+			lpfc_in_buf_free(phba, &dmabuf->dbuf);
+		}
+	}
+}
+
+/**
+ * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will cleanup posted ELS buffers after the HBA is reset
+ * when bringing down the SLI Layer.
+ *
+ *
+ * Return codes
+ *   void.
+ **/
+static void
+lpfc_hba_free_post_buf(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring *pring;
+	struct lpfc_dmabuf *mp, *next_mp;
+	LIST_HEAD(buflist);
+	int count;
+
+	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
+		lpfc_sli_hbqbuf_free_all(phba);
+	else {
+		/* Cleanup preposted buffers on the ELS ring */
+		pring = &psli->ring[LPFC_ELS_RING];
+		spin_lock_irq(&phba->hbalock);
+		list_splice_init(&pring->postbufq, &buflist);
+		spin_unlock_irq(&phba->hbalock);
+
+		count = 0;
+		list_for_each_entry_safe(mp, next_mp, &buflist, list) {
+			list_del(&mp->list);
+			count++;
+			lpfc_mbuf_free(phba, mp->virt, mp->phys);
+			kfree(mp);
+		}
+
+		spin_lock_irq(&phba->hbalock);
+		pring->postbufq_cnt -= count;
+		spin_unlock_irq(&phba->hbalock);
+	}
+}
+
+/**
+ * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will cleanup the txcmplq after the HBA is reset when bringing
+ * down the SLI Layer.
+ *
+ * Return codes
+ *   void
+ **/
+static void
+lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring *pring;
+	LIST_HEAD(completions);
+	int i;
+
+	for (i = 0; i < psli->num_rings; i++) {
+		pring = &psli->ring[i];
+		if (phba->sli_rev >= LPFC_SLI_REV4)
+			spin_lock_irq(&pring->ring_lock);
+		else
+			spin_lock_irq(&phba->hbalock);
+		/* At this point in time the HBA is either reset or DOA. Either
+		 * way, nothing should be on txcmplq as it will NEVER complete.
+		 */
+		list_splice_init(&pring->txcmplq, &completions);
+		pring->txcmplq_cnt = 0;
+
+		if (phba->sli_rev >= LPFC_SLI_REV4)
+			spin_unlock_irq(&pring->ring_lock);
+		else
+			spin_unlock_irq(&phba->hbalock);
+
+		/* Cancel all the IOCBs from the completions list */
+		lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+				      IOERR_SLI_ABORTED);
+		lpfc_sli_abort_iocb_ring(phba, pring);
+	}
+}
+
+/**
+ * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
+	int i;
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do uninitialization after the HBA is reset when bring
+ * down the SLI Layer.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+static int
+lpfc_hba_down_post_s3(struct lpfc_hba *phba)
+{
+	lpfc_hba_free_post_buf(phba);
+	lpfc_hba_clean_txcmplq(phba);
+	return 0;
+}
+
+/**
+ * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do uninitialization after the HBA is reset when bring
+ * down the SLI Layer.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+static int
+lpfc_hba_down_post_s4(struct lpfc_hba *phba)
+{
+	struct lpfc_scsi_buf *psb, *psb_next;
+	LIST_HEAD(aborts);
+	unsigned long iflag = 0;
+	struct lpfc_sglq *sglq_entry = NULL;
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring *pring;
+
+	lpfc_hba_free_post_buf(phba);
+	lpfc_hba_clean_txcmplq(phba);
+	pring = &psli->ring[LPFC_ELS_RING];
+
+	/* At this point in time the HBA is either reset or DOA. Either
+	 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
+	 * on the lpfc_sgl_list so that it can either be freed if the
+	 * driver is unloading or reposted if the driver is restarting
+	 * the port.
+	 */
+	spin_lock_irq(&phba->hbalock);  /* required for lpfc_sgl_list and */
+					/* scsl_buf_list */
+	/* abts_sgl_list_lock required because worker thread uses this
+	 * list.
+	 */
+	spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
+	list_for_each_entry(sglq_entry,
+		&phba->sli4_hba.lpfc_abts_els_sgl_list, list)
+		sglq_entry->state = SGL_FREED;
+
+	spin_lock(&pring->ring_lock);
+	list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
+			&phba->sli4_hba.lpfc_sgl_list);
+	spin_unlock(&pring->ring_lock);
+	spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
+	/* abts_scsi_buf_list_lock required because worker thread uses this
+	 * list.
+	 */
+	spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
+			&aborts);
+	spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	spin_unlock_irq(&phba->hbalock);
+
+	list_for_each_entry_safe(psb, psb_next, &aborts, list) {
+		psb->pCmd = NULL;
+		psb->status = IOSTAT_SUCCESS;
+	}
+	spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
+	list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
+	spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
+
+	lpfc_sli4_free_sp_events(phba);
+	return 0;
+}
+
+/**
+ * lpfc_hba_down_post - Wrapper func for hba down post routine
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine wraps the actual SLI3 or SLI4 routine for performing
+ * uninitialization after the HBA is reset when bring down the SLI Layer.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+int
+lpfc_hba_down_post(struct lpfc_hba *phba)
+{
+	return (*phba->lpfc_hba_down_post)(phba);
+}
+
+/**
+ * lpfc_hb_timeout - The HBA-timer timeout handler
+ * @ptr: unsigned long holds the pointer to lpfc hba data structure.
+ *
+ * This is the HBA-timer timeout handler registered to the lpfc driver. When
+ * this timer fires, a HBA timeout event shall be posted to the lpfc driver
+ * work-port-events bitmap and the worker thread is notified. This timeout
+ * event will be used by the worker thread to invoke the actual timeout
+ * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
+ * be performed in the timeout handler and the HBA timeout event bit shall
+ * be cleared by the worker thread after it has taken the event bitmap out.
+ **/
+static void
+lpfc_hb_timeout(unsigned long ptr)
+{
+	struct lpfc_hba *phba;
+	uint32_t tmo_posted;
+	unsigned long iflag;
+
+	phba = (struct lpfc_hba *)ptr;
+
+	/* Check for heart beat timeout conditions */
+	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
+	tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
+	if (!tmo_posted)
+		phba->pport->work_port_events |= WORKER_HB_TMO;
+	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
+
+	/* Tell the worker thread there is work to do */
+	if (!tmo_posted)
+		lpfc_worker_wake_up(phba);
+	return;
+}
+
+/**
+ * lpfc_rrq_timeout - The RRQ-timer timeout handler
+ * @ptr: unsigned long holds the pointer to lpfc hba data structure.
+ *
+ * This is the RRQ-timer timeout handler registered to the lpfc driver. When
+ * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
+ * work-port-events bitmap and the worker thread is notified. This timeout
+ * event will be used by the worker thread to invoke the actual timeout
+ * handler routine, lpfc_rrq_handler. Any periodical operations will
+ * be performed in the timeout handler and the RRQ timeout event bit shall
+ * be cleared by the worker thread after it has taken the event bitmap out.
+ **/
+static void
+lpfc_rrq_timeout(unsigned long ptr)
+{
+	struct lpfc_hba *phba;
+	unsigned long iflag;
+
+	phba = (struct lpfc_hba *)ptr;
+	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
+	if (!(phba->pport->load_flag & FC_UNLOADING))
+		phba->hba_flag |= HBA_RRQ_ACTIVE;
+	else
+		phba->hba_flag &= ~HBA_RRQ_ACTIVE;
+	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
+
+	if (!(phba->pport->load_flag & FC_UNLOADING))
+		lpfc_worker_wake_up(phba);
+}
+
+/**
+ * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the callback function to the lpfc heart-beat mailbox command.
+ * If configured, the lpfc driver issues the heart-beat mailbox command to
+ * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
+ * heart-beat mailbox command is issued, the driver shall set up heart-beat
+ * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
+ * heart-beat outstanding state. Once the mailbox command comes back and
+ * no error conditions detected, the heart-beat mailbox command timer is
+ * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
+ * state is cleared for the next heart-beat. If the timer expired with the
+ * heart-beat outstanding state set, the driver will put the HBA offline.
+ **/
+static void
+lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
+{
+	unsigned long drvr_flag;
+
+	spin_lock_irqsave(&phba->hbalock, drvr_flag);
+	phba->hb_outstanding = 0;
+	spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+
+	/* Check and reset heart-beat timer is necessary */
+	mempool_free(pmboxq, phba->mbox_mem_pool);
+	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
+		!(phba->link_state == LPFC_HBA_ERROR) &&
+		!(phba->pport->load_flag & FC_UNLOADING))
+		mod_timer(&phba->hb_tmofunc,
+			  jiffies +
+			  msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
+	return;
+}
+
+/**
+ * lpfc_hb_timeout_handler - The HBA-timer timeout handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This is the actual HBA-timer timeout handler to be invoked by the worker
+ * thread whenever the HBA timer fired and HBA-timeout event posted. This
+ * handler performs any periodic operations needed for the device. If such
+ * periodic event has already been attended to either in the interrupt handler
+ * or by processing slow-ring or fast-ring events within the HBA-timer
+ * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
+ * the timer for the next timeout period. If lpfc heart-beat mailbox command
+ * is configured and there is no heart-beat mailbox command outstanding, a
+ * heart-beat mailbox is issued and timer set properly. Otherwise, if there
+ * has been a heart-beat mailbox command outstanding, the HBA shall be put
+ * to offline.
+ **/
+void
+lpfc_hb_timeout_handler(struct lpfc_hba *phba)
+{
+	struct lpfc_vport **vports;
+	LPFC_MBOXQ_t *pmboxq;
+	struct lpfc_dmabuf *buf_ptr;
+	int retval, i;
+	struct lpfc_sli *psli = &phba->sli;
+	LIST_HEAD(completions);
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
+			lpfc_rcv_seq_check_edtov(vports[i]);
+	lpfc_destroy_vport_work_array(phba, vports);
+
+	if ((phba->link_state == LPFC_HBA_ERROR) ||
+		(phba->pport->load_flag & FC_UNLOADING) ||
+		(phba->pport->fc_flag & FC_OFFLINE_MODE))
+		return;
+
+	spin_lock_irq(&phba->pport->work_port_lock);
+
+	if (time_after(phba->last_completion_time +
+			msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
+			jiffies)) {
+		spin_unlock_irq(&phba->pport->work_port_lock);
+		if (!phba->hb_outstanding)
+			mod_timer(&phba->hb_tmofunc,
+				jiffies +
+				msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
+		else
+			mod_timer(&phba->hb_tmofunc,
+				jiffies +
+				msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
+		return;
+	}
+	spin_unlock_irq(&phba->pport->work_port_lock);
+
+	if (phba->elsbuf_cnt &&
+		(phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
+		spin_lock_irq(&phba->hbalock);
+		list_splice_init(&phba->elsbuf, &completions);
+		phba->elsbuf_cnt = 0;
+		phba->elsbuf_prev_cnt = 0;
+		spin_unlock_irq(&phba->hbalock);
+
+		while (!list_empty(&completions)) {
+			list_remove_head(&completions, buf_ptr,
+				struct lpfc_dmabuf, list);
+			lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
+			kfree(buf_ptr);
+		}
+	}
+	phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
+
+	/* If there is no heart beat outstanding, issue a heartbeat command */
+	if (phba->cfg_enable_hba_heartbeat) {
+		if (!phba->hb_outstanding) {
+			if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
+				(list_empty(&psli->mboxq))) {
+				pmboxq = mempool_alloc(phba->mbox_mem_pool,
+							GFP_KERNEL);
+				if (!pmboxq) {
+					mod_timer(&phba->hb_tmofunc,
+						 jiffies +
+						 msecs_to_jiffies(1000 *
+						 LPFC_HB_MBOX_INTERVAL));
+					return;
+				}
+
+				lpfc_heart_beat(phba, pmboxq);
+				pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
+				pmboxq->vport = phba->pport;
+				retval = lpfc_sli_issue_mbox(phba, pmboxq,
+						MBX_NOWAIT);
+
+				if (retval != MBX_BUSY &&
+					retval != MBX_SUCCESS) {
+					mempool_free(pmboxq,
+							phba->mbox_mem_pool);
+					mod_timer(&phba->hb_tmofunc,
+						jiffies +
+						msecs_to_jiffies(1000 *
+						LPFC_HB_MBOX_INTERVAL));
+					return;
+				}
+				phba->skipped_hb = 0;
+				phba->hb_outstanding = 1;
+			} else if (time_before_eq(phba->last_completion_time,
+					phba->skipped_hb)) {
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"2857 Last completion time not "
+					" updated in %d ms\n",
+					jiffies_to_msecs(jiffies
+						 - phba->last_completion_time));
+			} else
+				phba->skipped_hb = jiffies;
+
+			mod_timer(&phba->hb_tmofunc,
+				 jiffies +
+				 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
+			return;
+		} else {
+			/*
+			* If heart beat timeout called with hb_outstanding set
+			* we need to give the hb mailbox cmd a chance to
+			* complete or TMO.
+			*/
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"0459 Adapter heartbeat still out"
+					"standing:last compl time was %d ms.\n",
+					jiffies_to_msecs(jiffies
+						 - phba->last_completion_time));
+			mod_timer(&phba->hb_tmofunc,
+				jiffies +
+				msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
+		}
+	}
+}
+
+/**
+ * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to bring the HBA offline when HBA hardware error
+ * other than Port Error 6 has been detected.
+ **/
+static void
+lpfc_offline_eratt(struct lpfc_hba *phba)
+{
+	struct lpfc_sli   *psli = &phba->sli;
+
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+	spin_unlock_irq(&phba->hbalock);
+	lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
+
+	lpfc_offline(phba);
+	lpfc_reset_barrier(phba);
+	spin_lock_irq(&phba->hbalock);
+	lpfc_sli_brdreset(phba);
+	spin_unlock_irq(&phba->hbalock);
+	lpfc_hba_down_post(phba);
+	lpfc_sli_brdready(phba, HS_MBRDY);
+	lpfc_unblock_mgmt_io(phba);
+	phba->link_state = LPFC_HBA_ERROR;
+	return;
+}
+
+/**
+ * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to bring a SLI4 HBA offline when HBA hardware error
+ * other than Port Error 6 has been detected.
+ **/
+void
+lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
+{
+	spin_lock_irq(&phba->hbalock);
+	phba->link_state = LPFC_HBA_ERROR;
+	spin_unlock_irq(&phba->hbalock);
+
+	lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
+	lpfc_offline(phba);
+	lpfc_hba_down_post(phba);
+	lpfc_unblock_mgmt_io(phba);
+}
+
+/**
+ * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the deferred HBA hardware error
+ * conditions. This type of error is indicated by HBA by setting ER1
+ * and another ER bit in the host status register. The driver will
+ * wait until the ER1 bit clears before handling the error condition.
+ **/
+static void
+lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
+{
+	uint32_t old_host_status = phba->work_hs;
+	struct lpfc_sli *psli = &phba->sli;
+
+	/* If the pci channel is offline, ignore possible errors,
+	 * since we cannot communicate with the pci card anyway.
+	 */
+	if (pci_channel_offline(phba->pcidev)) {
+		spin_lock_irq(&phba->hbalock);
+		phba->hba_flag &= ~DEFER_ERATT;
+		spin_unlock_irq(&phba->hbalock);
+		return;
+	}
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+		"0479 Deferred Adapter Hardware Error "
+		"Data: x%x x%x x%x\n",
+		phba->work_hs,
+		phba->work_status[0], phba->work_status[1]);
+
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+	spin_unlock_irq(&phba->hbalock);
+
+
+	/*
+	 * Firmware stops when it triggred erratt. That could cause the I/Os
+	 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
+	 * SCSI layer retry it after re-establishing link.
+	 */
+	lpfc_sli_abort_fcp_rings(phba);
+
+	/*
+	 * There was a firmware error. Take the hba offline and then
+	 * attempt to restart it.
+	 */
+	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+	lpfc_offline(phba);
+
+	/* Wait for the ER1 bit to clear.*/
+	while (phba->work_hs & HS_FFER1) {
+		msleep(100);
+		if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
+			phba->work_hs = UNPLUG_ERR ;
+			break;
+		}
+		/* If driver is unloading let the worker thread continue */
+		if (phba->pport->load_flag & FC_UNLOADING) {
+			phba->work_hs = 0;
+			break;
+		}
+	}
+
+	/*
+	 * This is to ptrotect against a race condition in which
+	 * first write to the host attention register clear the
+	 * host status register.
+	 */
+	if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
+		phba->work_hs = old_host_status & ~HS_FFER1;
+
+	spin_lock_irq(&phba->hbalock);
+	phba->hba_flag &= ~DEFER_ERATT;
+	spin_unlock_irq(&phba->hbalock);
+	phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
+	phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
+}
+
+static void
+lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
+{
+	struct lpfc_board_event_header board_event;
+	struct Scsi_Host *shost;
+
+	board_event.event_type = FC_REG_BOARD_EVENT;
+	board_event.subcategory = LPFC_EVENT_PORTINTERR;
+	shost = lpfc_shost_from_vport(phba->pport);
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+				  sizeof(board_event),
+				  (char *) &board_event,
+				  LPFC_NL_VENDOR_ID);
+}
+
+/**
+ * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the following HBA hardware error
+ * conditions:
+ * 1 - HBA error attention interrupt
+ * 2 - DMA ring index out of range
+ * 3 - Mailbox command came back as unknown
+ **/
+static void
+lpfc_handle_eratt_s3(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct lpfc_sli   *psli = &phba->sli;
+	uint32_t event_data;
+	unsigned long temperature;
+	struct temp_event temp_event_data;
+	struct Scsi_Host  *shost;
+
+	/* If the pci channel is offline, ignore possible errors,
+	 * since we cannot communicate with the pci card anyway.
+	 */
+	if (pci_channel_offline(phba->pcidev)) {
+		spin_lock_irq(&phba->hbalock);
+		phba->hba_flag &= ~DEFER_ERATT;
+		spin_unlock_irq(&phba->hbalock);
+		return;
+	}
+
+	/* If resets are disabled then leave the HBA alone and return */
+	if (!phba->cfg_enable_hba_reset)
+		return;
+
+	/* Send an internal error event to mgmt application */
+	lpfc_board_errevt_to_mgmt(phba);
+
+	if (phba->hba_flag & DEFER_ERATT)
+		lpfc_handle_deferred_eratt(phba);
+
+	if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
+		if (phba->work_hs & HS_FFER6)
+			/* Re-establishing Link */
+			lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
+					"1301 Re-establishing Link "
+					"Data: x%x x%x x%x\n",
+					phba->work_hs, phba->work_status[0],
+					phba->work_status[1]);
+		if (phba->work_hs & HS_FFER8)
+			/* Device Zeroization */
+			lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
+					"2861 Host Authentication device "
+					"zeroization Data:x%x x%x x%x\n",
+					phba->work_hs, phba->work_status[0],
+					phba->work_status[1]);
+
+		spin_lock_irq(&phba->hbalock);
+		psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+		spin_unlock_irq(&phba->hbalock);
+
+		/*
+		* Firmware stops when it triggled erratt with HS_FFER6.
+		* That could cause the I/Os dropped by the firmware.
+		* Error iocb (I/O) on txcmplq and let the SCSI layer
+		* retry it after re-establishing link.
+		*/
+		lpfc_sli_abort_fcp_rings(phba);
+
+		/*
+		 * There was a firmware error.  Take the hba offline and then
+		 * attempt to restart it.
+		 */
+		lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
+		lpfc_offline(phba);
+		lpfc_sli_brdrestart(phba);
+		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
+			lpfc_unblock_mgmt_io(phba);
+			return;
+		}
+		lpfc_unblock_mgmt_io(phba);
+	} else if (phba->work_hs & HS_CRIT_TEMP) {
+		temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
+		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
+		temp_event_data.event_code = LPFC_CRIT_TEMP;
+		temp_event_data.data = (uint32_t)temperature;
+
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0406 Adapter maximum temperature exceeded "
+				"(%ld), taking this port offline "
+				"Data: x%x x%x x%x\n",
+				temperature, phba->work_hs,
+				phba->work_status[0], phba->work_status[1]);
+
+		shost = lpfc_shost_from_vport(phba->pport);
+		fc_host_post_vendor_event(shost, fc_get_event_number(),
+					  sizeof(temp_event_data),
+					  (char *) &temp_event_data,
+					  SCSI_NL_VID_TYPE_PCI
+					  | PCI_VENDOR_ID_EMULEX);
+
+		spin_lock_irq(&phba->hbalock);
+		phba->over_temp_state = HBA_OVER_TEMP;
+		spin_unlock_irq(&phba->hbalock);
+		lpfc_offline_eratt(phba);
+
+	} else {
+		/* The if clause above forces this code path when the status
+		 * failure is a value other than FFER6. Do not call the offline
+		 * twice. This is the adapter hardware error path.
+		 */
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0457 Adapter Hardware Error "
+				"Data: x%x x%x x%x\n",
+				phba->work_hs,
+				phba->work_status[0], phba->work_status[1]);
+
+		event_data = FC_REG_DUMP_EVENT;
+		shost = lpfc_shost_from_vport(vport);
+		fc_host_post_vendor_event(shost, fc_get_event_number(),
+				sizeof(event_data), (char *) &event_data,
+				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
+		lpfc_offline_eratt(phba);
+	}
+	return;
+}
+
+/**
+ * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
+ * @phba: pointer to lpfc hba data structure.
+ * @mbx_action: flag for mailbox shutdown action.
+ *
+ * This routine is invoked to perform an SLI4 port PCI function reset in
+ * response to port status register polling attention. It waits for port
+ * status register (ERR, RDY, RN) bits before proceeding with function reset.
+ * During this process, interrupt vectors are freed and later requested
+ * for handling possible port resource change.
+ **/
+static int
+lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
+			    bool en_rn_msg)
+{
+	int rc;
+	uint32_t intr_mode;
+
+	/*
+	 * On error status condition, driver need to wait for port
+	 * ready before performing reset.
+	 */
+	rc = lpfc_sli4_pdev_status_reg_wait(phba);
+	if (!rc) {
+		/* need reset: attempt for port recovery */
+		if (en_rn_msg)
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2887 Reset Needed: Attempting Port "
+					"Recovery...\n");
+		lpfc_offline_prep(phba, mbx_action);
+		lpfc_offline(phba);
+		/* release interrupt for possible resource change */
+		lpfc_sli4_disable_intr(phba);
+		lpfc_sli_brdrestart(phba);
+		/* request and enable interrupt */
+		intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
+		if (intr_mode == LPFC_INTR_ERROR) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3175 Failed to enable interrupt\n");
+			return -EIO;
+		} else {
+			phba->intr_mode = intr_mode;
+		}
+		rc = lpfc_online(phba);
+		if (rc == 0)
+			lpfc_unblock_mgmt_io(phba);
+	}
+	return rc;
+}
+
+/**
+ * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the SLI4 HBA hardware error attention
+ * conditions.
+ **/
+static void
+lpfc_handle_eratt_s4(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	uint32_t event_data;
+	struct Scsi_Host *shost;
+	uint32_t if_type;
+	struct lpfc_register portstat_reg = {0};
+	uint32_t reg_err1, reg_err2;
+	uint32_t uerrlo_reg, uemasklo_reg;
+	uint32_t pci_rd_rc1, pci_rd_rc2;
+	bool en_rn_msg = true;
+	struct temp_event temp_event_data;
+	int rc;
+
+	/* If the pci channel is offline, ignore possible errors, since
+	 * we cannot communicate with the pci card anyway.
+	 */
+	if (pci_channel_offline(phba->pcidev))
+		return;
+
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+	switch (if_type) {
+	case LPFC_SLI_INTF_IF_TYPE_0:
+		pci_rd_rc1 = lpfc_readl(
+				phba->sli4_hba.u.if_type0.UERRLOregaddr,
+				&uerrlo_reg);
+		pci_rd_rc2 = lpfc_readl(
+				phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
+				&uemasklo_reg);
+		/* consider PCI bus read error as pci_channel_offline */
+		if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
+			return;
+		lpfc_sli4_offline_eratt(phba);
+		break;
+
+	case LPFC_SLI_INTF_IF_TYPE_2:
+		pci_rd_rc1 = lpfc_readl(
+				phba->sli4_hba.u.if_type2.STATUSregaddr,
+				&portstat_reg.word0);
+		/* consider PCI bus read error as pci_channel_offline */
+		if (pci_rd_rc1 == -EIO) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3151 PCI bus read access failure: x%x\n",
+				readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
+			return;
+		}
+		reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
+		reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
+		if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2889 Port Overtemperature event, "
+				"taking port offline Data: x%x x%x\n",
+				reg_err1, reg_err2);
+
+			temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
+			temp_event_data.event_code = LPFC_CRIT_TEMP;
+			temp_event_data.data = 0xFFFFFFFF;
+
+			shost = lpfc_shost_from_vport(phba->pport);
+			fc_host_post_vendor_event(shost, fc_get_event_number(),
+						  sizeof(temp_event_data),
+						  (char *)&temp_event_data,
+						  SCSI_NL_VID_TYPE_PCI
+						  | PCI_VENDOR_ID_EMULEX);
+
+			spin_lock_irq(&phba->hbalock);
+			phba->over_temp_state = HBA_OVER_TEMP;
+			spin_unlock_irq(&phba->hbalock);
+			lpfc_sli4_offline_eratt(phba);
+			return;
+		}
+		if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
+		    reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3143 Port Down: Firmware Update "
+					"Detected\n");
+			en_rn_msg = false;
+		} else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
+			 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3144 Port Down: Debug Dump\n");
+		else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
+			 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3145 Port Down: Provisioning\n");
+
+		/* If resets are disabled then leave the HBA alone and return */
+		if (!phba->cfg_enable_hba_reset)
+			return;
+
+		/* Check port status register for function reset */
+		rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
+				en_rn_msg);
+		if (rc == 0) {
+			/* don't report event on forced debug dump */
+			if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
+			    reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
+				return;
+			else
+				break;
+		}
+		/* fall through for not able to recover */
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3152 Unrecoverable error, bring the port "
+				"offline\n");
+		lpfc_sli4_offline_eratt(phba);
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_1:
+	default:
+		break;
+	}
+	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+			"3123 Report dump event to upper layer\n");
+	/* Send an internal error event to mgmt application */
+	lpfc_board_errevt_to_mgmt(phba);
+
+	event_data = FC_REG_DUMP_EVENT;
+	shost = lpfc_shost_from_vport(vport);
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+				  sizeof(event_data), (char *) &event_data,
+				  SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+}
+
+/**
+ * lpfc_handle_eratt - Wrapper func for handling hba error attention
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine wraps the actual SLI3 or SLI4 hba error attention handling
+ * routine from the API jump table function pointer from the lpfc_hba struct.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
+void
+lpfc_handle_eratt(struct lpfc_hba *phba)
+{
+	(*phba->lpfc_handle_eratt)(phba);
+}
+
+/**
+ * lpfc_handle_latt - The HBA link event handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked from the worker thread to handle a HBA host
+ * attention link event.
+ **/
+void
+lpfc_handle_latt(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct lpfc_sli   *psli = &phba->sli;
+	LPFC_MBOXQ_t *pmb;
+	volatile uint32_t control;
+	struct lpfc_dmabuf *mp;
+	int rc = 0;
+
+	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		rc = 1;
+		goto lpfc_handle_latt_err_exit;
+	}
+
+	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!mp) {
+		rc = 2;
+		goto lpfc_handle_latt_free_pmb;
+	}
+
+	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+	if (!mp->virt) {
+		rc = 3;
+		goto lpfc_handle_latt_free_mp;
+	}
+
+	/* Cleanup any outstanding ELS commands */
+	lpfc_els_flush_all_cmd(phba);
+
+	psli->slistat.link_event++;
+	lpfc_read_topology(phba, pmb, mp);
+	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
+	pmb->vport = vport;
+	/* Block ELS IOCBs until we have processed this mbox command */
+	phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
+	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
+	if (rc == MBX_NOT_FINISHED) {
+		rc = 4;
+		goto lpfc_handle_latt_free_mbuf;
+	}
+
+	/* Clear Link Attention in HA REG */
+	spin_lock_irq(&phba->hbalock);
+	writel(HA_LATT, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+	spin_unlock_irq(&phba->hbalock);
+
+	return;
+
+lpfc_handle_latt_free_mbuf:
+	phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+lpfc_handle_latt_free_mp:
+	kfree(mp);
+lpfc_handle_latt_free_pmb:
+	mempool_free(pmb, phba->mbox_mem_pool);
+lpfc_handle_latt_err_exit:
+	/* Enable Link attention interrupts */
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag |= LPFC_PROCESS_LA;
+	control = readl(phba->HCregaddr);
+	control |= HC_LAINT_ENA;
+	writel(control, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+
+	/* Clear Link Attention in HA REG */
+	writel(HA_LATT, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+	spin_unlock_irq(&phba->hbalock);
+	lpfc_linkdown(phba);
+	phba->link_state = LPFC_HBA_ERROR;
+
+	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+		     "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
+
+	return;
+}
+
+/**
+ * lpfc_parse_vpd - Parse VPD (Vital Product Data)
+ * @phba: pointer to lpfc hba data structure.
+ * @vpd: pointer to the vital product data.
+ * @len: length of the vital product data in bytes.
+ *
+ * This routine parses the Vital Product Data (VPD). The VPD is treated as
+ * an array of characters. In this routine, the ModelName, ProgramType, and
+ * ModelDesc, etc. fields of the phba data structure will be populated.
+ *
+ * Return codes
+ *   0 - pointer to the VPD passed in is NULL
+ *   1 - success
+ **/
+int
+lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
+{
+	uint8_t lenlo, lenhi;
+	int Length;
+	int i, j;
+	int finished = 0;
+	int index = 0;
+
+	if (!vpd)
+		return 0;
+
+	/* Vital Product */
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0455 Vital Product Data: x%x x%x x%x x%x\n",
+			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
+			(uint32_t) vpd[3]);
+	while (!finished && (index < (len - 4))) {
+		switch (vpd[index]) {
+		case 0x82:
+		case 0x91:
+			index += 1;
+			lenlo = vpd[index];
+			index += 1;
+			lenhi = vpd[index];
+			index += 1;
+			i = ((((unsigned short)lenhi) << 8) + lenlo);
+			index += i;
+			break;
+		case 0x90:
+			index += 1;
+			lenlo = vpd[index];
+			index += 1;
+			lenhi = vpd[index];
+			index += 1;
+			Length = ((((unsigned short)lenhi) << 8) + lenlo);
+			if (Length > len - index)
+				Length = len - index;
+			while (Length > 0) {
+			/* Look for Serial Number */
+			if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				j = 0;
+				Length -= (3+i);
+				while(i--) {
+					phba->SerialNumber[j++] = vpd[index++];
+					if (j == 31)
+						break;
+				}
+				phba->SerialNumber[j] = 0;
+				continue;
+			}
+			else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
+				phba->vpd_flag |= VPD_MODEL_DESC;
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				j = 0;
+				Length -= (3+i);
+				while(i--) {
+					phba->ModelDesc[j++] = vpd[index++];
+					if (j == 255)
+						break;
+				}
+				phba->ModelDesc[j] = 0;
+				continue;
+			}
+			else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
+				phba->vpd_flag |= VPD_MODEL_NAME;
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				j = 0;
+				Length -= (3+i);
+				while(i--) {
+					phba->ModelName[j++] = vpd[index++];
+					if (j == 79)
+						break;
+				}
+				phba->ModelName[j] = 0;
+				continue;
+			}
+			else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
+				phba->vpd_flag |= VPD_PROGRAM_TYPE;
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				j = 0;
+				Length -= (3+i);
+				while(i--) {
+					phba->ProgramType[j++] = vpd[index++];
+					if (j == 255)
+						break;
+				}
+				phba->ProgramType[j] = 0;
+				continue;
+			}
+			else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
+				phba->vpd_flag |= VPD_PORT;
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				j = 0;
+				Length -= (3+i);
+				while(i--) {
+					if ((phba->sli_rev == LPFC_SLI_REV4) &&
+					    (phba->sli4_hba.pport_name_sta ==
+					     LPFC_SLI4_PPNAME_GET)) {
+						j++;
+						index++;
+					} else
+						phba->Port[j++] = vpd[index++];
+					if (j == 19)
+						break;
+				}
+				if ((phba->sli_rev != LPFC_SLI_REV4) ||
+				    (phba->sli4_hba.pport_name_sta ==
+				     LPFC_SLI4_PPNAME_NON))
+					phba->Port[j] = 0;
+				continue;
+			}
+			else {
+				index += 2;
+				i = vpd[index];
+				index += 1;
+				index += i;
+				Length -= (3 + i);
+			}
+		}
+		finished = 0;
+		break;
+		case 0x78:
+			finished = 1;
+			break;
+		default:
+			index ++;
+			break;
+		}
+	}
+
+	return(1);
+}
+
+/**
+ * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
+ * @phba: pointer to lpfc hba data structure.
+ * @mdp: pointer to the data structure to hold the derived model name.
+ * @descp: pointer to the data structure to hold the derived description.
+ *
+ * This routine retrieves HBA's description based on its registered PCI device
+ * ID. The @descp passed into this function points to an array of 256 chars. It
+ * shall be returned with the model name, maximum speed, and the host bus type.
+ * The @mdp passed into this function points to an array of 80 chars. When the
+ * function returns, the @mdp will be filled with the model name.
+ **/
+static void
+lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
+{
+	lpfc_vpd_t *vp;
+	uint16_t dev_id = phba->pcidev->device;
+	int max_speed;
+	int GE = 0;
+	int oneConnect = 0; /* default is not a oneConnect */
+	struct {
+		char *name;
+		char *bus;
+		char *function;
+	} m = {"<Unknown>", "", ""};
+
+	if (mdp && mdp[0] != '\0'
+		&& descp && descp[0] != '\0')
+		return;
+
+	if (phba->lmt & LMT_16Gb)
+		max_speed = 16;
+	else if (phba->lmt & LMT_10Gb)
+		max_speed = 10;
+	else if (phba->lmt & LMT_8Gb)
+		max_speed = 8;
+	else if (phba->lmt & LMT_4Gb)
+		max_speed = 4;
+	else if (phba->lmt & LMT_2Gb)
+		max_speed = 2;
+	else if (phba->lmt & LMT_1Gb)
+		max_speed = 1;
+	else
+		max_speed = 0;
+
+	vp = &phba->vpd;
+
+	switch (dev_id) {
+	case PCI_DEVICE_ID_FIREFLY:
+		m = (typeof(m)){"LP6000", "PCI",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SUPERFLY:
+		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
+			m = (typeof(m)){"LP7000", "PCI", ""};
+		else
+			m = (typeof(m)){"LP7000E", "PCI", ""};
+		m.function = "Obsolete, Unsupported Fibre Channel Adapter";
+		break;
+	case PCI_DEVICE_ID_DRAGONFLY:
+		m = (typeof(m)){"LP8000", "PCI",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_CENTAUR:
+		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
+			m = (typeof(m)){"LP9002", "PCI", ""};
+		else
+			m = (typeof(m)){"LP9000", "PCI", ""};
+		m.function = "Obsolete, Unsupported Fibre Channel Adapter";
+		break;
+	case PCI_DEVICE_ID_RFLY:
+		m = (typeof(m)){"LP952", "PCI",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_PEGASUS:
+		m = (typeof(m)){"LP9802", "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_THOR:
+		m = (typeof(m)){"LP10000", "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_VIPER:
+		m = (typeof(m)){"LPX1000",  "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_PFLY:
+		m = (typeof(m)){"LP982", "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_TFLY:
+		m = (typeof(m)){"LP1050", "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_HELIOS:
+		m = (typeof(m)){"LP11000", "PCI-X2",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_HELIOS_SCSP:
+		m = (typeof(m)){"LP11000-SP", "PCI-X2",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_HELIOS_DCSP:
+		m = (typeof(m)){"LP11002-SP",  "PCI-X2",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_NEPTUNE:
+		m = (typeof(m)){"LPe1000", "PCIe",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_NEPTUNE_SCSP:
+		m = (typeof(m)){"LPe1000-SP", "PCIe",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_NEPTUNE_DCSP:
+		m = (typeof(m)){"LPe1002-SP", "PCIe",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_BMID:
+		m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_BSMB:
+		m = (typeof(m)){"LP111", "PCI-X2",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_ZEPHYR:
+		m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_ZEPHYR_SCSP:
+		m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_ZEPHYR_DCSP:
+		m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
+		GE = 1;
+		break;
+	case PCI_DEVICE_ID_ZMID:
+		m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_ZSMB:
+		m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LP101:
+		m = (typeof(m)){"LP101", "PCI-X",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LP10000S:
+		m = (typeof(m)){"LP10000-S", "PCI",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LP11000S:
+		m = (typeof(m)){"LP11000-S", "PCI-X2",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LPE11000S:
+		m = (typeof(m)){"LPe11000-S", "PCIe",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT:
+		m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT_MID:
+		m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT_SMB:
+		m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT_DCSP:
+		m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT_SCSP:
+		m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_SAT_S:
+		m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_HORNET:
+		m = (typeof(m)){"LP21000", "PCIe",
+				"Obsolete, Unsupported FCoE Adapter"};
+		GE = 1;
+		break;
+	case PCI_DEVICE_ID_PROTEUS_VF:
+		m = (typeof(m)){"LPev12000", "PCIe IOV",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_PROTEUS_PF:
+		m = (typeof(m)){"LPev12000", "PCIe IOV",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_PROTEUS_S:
+		m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_TIGERSHARK:
+		oneConnect = 1;
+		m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
+		break;
+	case PCI_DEVICE_ID_TOMCAT:
+		oneConnect = 1;
+		m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
+		break;
+	case PCI_DEVICE_ID_FALCON:
+		m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
+				"EmulexSecure Fibre"};
+		break;
+	case PCI_DEVICE_ID_BALIUS:
+		m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LANCER_FC:
+		m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LANCER_FC_VF:
+		m = (typeof(m)){"LPe16000", "PCIe",
+				"Obsolete, Unsupported Fibre Channel Adapter"};
+		break;
+	case PCI_DEVICE_ID_LANCER_FCOE:
+		oneConnect = 1;
+		m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
+		break;
+	case PCI_DEVICE_ID_LANCER_FCOE_VF:
+		oneConnect = 1;
+		m = (typeof(m)){"OCe15100", "PCIe",
+				"Obsolete, Unsupported FCoE"};
+		break;
+	case PCI_DEVICE_ID_SKYHAWK:
+	case PCI_DEVICE_ID_SKYHAWK_VF:
+		oneConnect = 1;
+		m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
+		break;
+	default:
+		m = (typeof(m)){"Unknown", "", ""};
+		break;
+	}
+
+	if (mdp && mdp[0] == '\0')
+		snprintf(mdp, 79,"%s", m.name);
+	/*
+	 * oneConnect hba requires special processing, they are all initiators
+	 * and we put the port number on the end
+	 */
+	if (descp && descp[0] == '\0') {
+		if (oneConnect)
+			snprintf(descp, 255,
+				"Emulex OneConnect %s, %s Initiator %s",
+				m.name, m.function,
+				phba->Port);
+		else if (max_speed == 0)
+			snprintf(descp, 255,
+				"Emulex %s %s %s ",
+				m.name, m.bus, m.function);
+		else
+			snprintf(descp, 255,
+				"Emulex %s %d%s %s %s",
+				m.name, max_speed, (GE) ? "GE" : "Gb",
+				m.bus, m.function);
+	}
+}
+
+/**
+ * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a IOCB ring.
+ * @cnt: the number of IOCBs to be posted to the IOCB ring.
+ *
+ * This routine posts a given number of IOCBs with the associated DMA buffer
+ * descriptors specified by the cnt argument to the given IOCB ring.
+ *
+ * Return codes
+ *   The number of IOCBs NOT able to be posted to the IOCB ring.
+ **/
+int
+lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
+{
+	IOCB_t *icmd;
+	struct lpfc_iocbq *iocb;
+	struct lpfc_dmabuf *mp1, *mp2;
+
+	cnt += pring->missbufcnt;
+
+	/* While there are buffers to post */
+	while (cnt > 0) {
+		/* Allocate buffer for  command iocb */
+		iocb = lpfc_sli_get_iocbq(phba);
+		if (iocb == NULL) {
+			pring->missbufcnt = cnt;
+			return cnt;
+		}
+		icmd = &iocb->iocb;
+
+		/* 2 buffers can be posted per command */
+		/* Allocate buffer to post */
+		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+		if (mp1)
+		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
+		if (!mp1 || !mp1->virt) {
+			kfree(mp1);
+			lpfc_sli_release_iocbq(phba, iocb);
+			pring->missbufcnt = cnt;
+			return cnt;
+		}
+
+		INIT_LIST_HEAD(&mp1->list);
+		/* Allocate buffer to post */
+		if (cnt > 1) {
+			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+			if (mp2)
+				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
+							    &mp2->phys);
+			if (!mp2 || !mp2->virt) {
+				kfree(mp2);
+				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
+				kfree(mp1);
+				lpfc_sli_release_iocbq(phba, iocb);
+				pring->missbufcnt = cnt;
+				return cnt;
+			}
+
+			INIT_LIST_HEAD(&mp2->list);
+		} else {
+			mp2 = NULL;
+		}
+
+		icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
+		icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
+		icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
+		icmd->ulpBdeCount = 1;
+		cnt--;
+		if (mp2) {
+			icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
+			icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
+			icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
+			cnt--;
+			icmd->ulpBdeCount = 2;
+		}
+
+		icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
+		icmd->ulpLe = 1;
+
+		if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
+		    IOCB_ERROR) {
+			lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
+			kfree(mp1);
+			cnt++;
+			if (mp2) {
+				lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
+				kfree(mp2);
+				cnt++;
+			}
+			lpfc_sli_release_iocbq(phba, iocb);
+			pring->missbufcnt = cnt;
+			return cnt;
+		}
+		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
+		if (mp2)
+			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
+	}
+	pring->missbufcnt = 0;
+	return 0;
+}
+
+/**
+ * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine posts initial receive IOCB buffers to the ELS ring. The
+ * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
+ * set to 64 IOCBs.
+ *
+ * Return codes
+ *   0 - success (currently always success)
+ **/
+static int
+lpfc_post_rcv_buf(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli = &phba->sli;
+
+	/* Ring 0, ELS / CT buffers */
+	lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
+	/* Ring 2 - FCP no buffers needed */
+
+	return 0;
+}
+
+#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
+
+/**
+ * lpfc_sha_init - Set up initial array of hash table entries
+ * @HashResultPointer: pointer to an array as hash table.
+ *
+ * This routine sets up the initial values to the array of hash table entries
+ * for the LC HBAs.
+ **/
+static void
+lpfc_sha_init(uint32_t * HashResultPointer)
+{
+	HashResultPointer[0] = 0x67452301;
+	HashResultPointer[1] = 0xEFCDAB89;
+	HashResultPointer[2] = 0x98BADCFE;
+	HashResultPointer[3] = 0x10325476;
+	HashResultPointer[4] = 0xC3D2E1F0;
+}
+
+/**
+ * lpfc_sha_iterate - Iterate initial hash table with the working hash table
+ * @HashResultPointer: pointer to an initial/result hash table.
+ * @HashWorkingPointer: pointer to an working hash table.
+ *
+ * This routine iterates an initial hash table pointed by @HashResultPointer
+ * with the values from the working hash table pointeed by @HashWorkingPointer.
+ * The results are putting back to the initial hash table, returned through
+ * the @HashResultPointer as the result hash table.
+ **/
+static void
+lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
+{
+	int t;
+	uint32_t TEMP;
+	uint32_t A, B, C, D, E;
+	t = 16;
+	do {
+		HashWorkingPointer[t] =
+		    S(1,
+		      HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
+								     8] ^
+		      HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
+	} while (++t <= 79);
+	t = 0;
+	A = HashResultPointer[0];
+	B = HashResultPointer[1];
+	C = HashResultPointer[2];
+	D = HashResultPointer[3];
+	E = HashResultPointer[4];
+
+	do {
+		if (t < 20) {
+			TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
+		} else if (t < 40) {
+			TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
+		} else if (t < 60) {
+			TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
+		} else {
+			TEMP = (B ^ C ^ D) + 0xCA62C1D6;
+		}
+		TEMP += S(5, A) + E + HashWorkingPointer[t];
+		E = D;
+		D = C;
+		C = S(30, B);
+		B = A;
+		A = TEMP;
+	} while (++t <= 79);
+
+	HashResultPointer[0] += A;
+	HashResultPointer[1] += B;
+	HashResultPointer[2] += C;
+	HashResultPointer[3] += D;
+	HashResultPointer[4] += E;
+
+}
+
+/**
+ * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
+ * @RandomChallenge: pointer to the entry of host challenge random number array.
+ * @HashWorking: pointer to the entry of the working hash array.
+ *
+ * This routine calculates the working hash array referred by @HashWorking
+ * from the challenge random numbers associated with the host, referred by
+ * @RandomChallenge. The result is put into the entry of the working hash
+ * array and returned by reference through @HashWorking.
+ **/
+static void
+lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
+{
+	*HashWorking = (*RandomChallenge ^ *HashWorking);
+}
+
+/**
+ * lpfc_hba_init - Perform special handling for LC HBA initialization
+ * @phba: pointer to lpfc hba data structure.
+ * @hbainit: pointer to an array of unsigned 32-bit integers.
+ *
+ * This routine performs the special handling for LC HBA initialization.
+ **/
+void
+lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
+{
+	int t;
+	uint32_t *HashWorking;
+	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
+
+	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
+	if (!HashWorking)
+		return;
+
+	HashWorking[0] = HashWorking[78] = *pwwnn++;
+	HashWorking[1] = HashWorking[79] = *pwwnn;
+
+	for (t = 0; t < 7; t++)
+		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
+
+	lpfc_sha_init(hbainit);
+	lpfc_sha_iterate(hbainit, HashWorking);
+	kfree(HashWorking);
+}
+
+/**
+ * lpfc_cleanup - Performs vport cleanups before deleting a vport
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine performs the necessary cleanups before deleting the @vport.
+ * It invokes the discovery state machine to perform necessary state
+ * transitions and to release the ndlps associated with the @vport. Note,
+ * the physical port is treated as @vport 0.
+ **/
+void
+lpfc_cleanup(struct lpfc_vport *vport)
+{
+	struct lpfc_hba   *phba = vport->phba;
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+	int i = 0;
+
+	if (phba->link_state > LPFC_LINK_DOWN)
+		lpfc_port_link_failure(vport);
+
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp)) {
+			ndlp = lpfc_enable_node(vport, ndlp,
+						NLP_STE_UNUSED_NODE);
+			if (!ndlp)
+				continue;
+			spin_lock_irq(&phba->ndlp_lock);
+			NLP_SET_FREE_REQ(ndlp);
+			spin_unlock_irq(&phba->ndlp_lock);
+			/* Trigger the release of the ndlp memory */
+			lpfc_nlp_put(ndlp);
+			continue;
+		}
+		spin_lock_irq(&phba->ndlp_lock);
+		if (NLP_CHK_FREE_REQ(ndlp)) {
+			/* The ndlp should not be in memory free mode already */
+			spin_unlock_irq(&phba->ndlp_lock);
+			continue;
+		} else
+			/* Indicate request for freeing ndlp memory */
+			NLP_SET_FREE_REQ(ndlp);
+		spin_unlock_irq(&phba->ndlp_lock);
+
+		if (vport->port_type != LPFC_PHYSICAL_PORT &&
+		    ndlp->nlp_DID == Fabric_DID) {
+			/* Just free up ndlp with Fabric_DID for vports */
+			lpfc_nlp_put(ndlp);
+			continue;
+		}
+
+		/* take care of nodes in unused state before the state
+		 * machine taking action.
+		 */
+		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
+			lpfc_nlp_put(ndlp);
+			continue;
+		}
+
+		if (ndlp->nlp_type & NLP_FABRIC)
+			lpfc_disc_state_machine(vport, ndlp, NULL,
+					NLP_EVT_DEVICE_RECOVERY);
+
+		lpfc_disc_state_machine(vport, ndlp, NULL,
+					     NLP_EVT_DEVICE_RM);
+	}
+
+	/* At this point, ALL ndlp's should be gone
+	 * because of the previous NLP_EVT_DEVICE_RM.
+	 * Lets wait for this to happen, if needed.
+	 */
+	while (!list_empty(&vport->fc_nodes)) {
+		if (i++ > 3000) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
+				"0233 Nodelist not empty\n");
+			list_for_each_entry_safe(ndlp, next_ndlp,
+						&vport->fc_nodes, nlp_listp) {
+				lpfc_printf_vlog(ndlp->vport, KERN_ERR,
+						LOG_NODE,
+						"0282 did:x%x ndlp:x%p "
+						"usgmap:x%x refcnt:%d\n",
+						ndlp->nlp_DID, (void *)ndlp,
+						ndlp->nlp_usg_map,
+						atomic_read(
+							&ndlp->kref.refcount));
+			}
+			break;
+		}
+
+		/* Wait for any activity on ndlps to settle */
+		msleep(10);
+	}
+	lpfc_cleanup_vports_rrqs(vport, NULL);
+}
+
+/**
+ * lpfc_stop_vport_timers - Stop all the timers associated with a vport
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine stops all the timers associated with a @vport. This function
+ * is invoked before disabling or deleting a @vport. Note that the physical
+ * port is treated as @vport 0.
+ **/
+void
+lpfc_stop_vport_timers(struct lpfc_vport *vport)
+{
+	del_timer_sync(&vport->els_tmofunc);
+	del_timer_sync(&vport->fc_fdmitmo);
+	del_timer_sync(&vport->delayed_disc_tmo);
+	lpfc_can_disctmo(vport);
+	return;
+}
+
+/**
+ * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
+ * caller of this routine should already hold the host lock.
+ **/
+void
+__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+	/* Clear pending FCF rediscovery wait flag */
+	phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+
+	/* Now, try to stop the timer */
+	del_timer(&phba->fcf.redisc_wait);
+}
+
+/**
+ * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
+ * checks whether the FCF rediscovery wait timer is pending with the host
+ * lock held before proceeding with disabling the timer and clearing the
+ * wait timer pendig flag.
+ **/
+void
+lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+	spin_lock_irq(&phba->hbalock);
+	if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+		/* FCF rediscovery timer already fired or stopped */
+		spin_unlock_irq(&phba->hbalock);
+		return;
+	}
+	__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+	/* Clear failover in progress flags */
+	phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
+	spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops all the timers associated with a HBA. This function is
+ * invoked before either putting a HBA offline or unloading the driver.
+ **/
+void
+lpfc_stop_hba_timers(struct lpfc_hba *phba)
+{
+	lpfc_stop_vport_timers(phba->pport);
+	del_timer_sync(&phba->sli.mbox_tmo);
+	del_timer_sync(&phba->fabric_block_timer);
+	del_timer_sync(&phba->eratt_poll);
+	del_timer_sync(&phba->hb_tmofunc);
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		del_timer_sync(&phba->rrq_tmr);
+		phba->hba_flag &= ~HBA_RRQ_ACTIVE;
+	}
+	phba->hb_outstanding = 0;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		/* Stop any LightPulse device specific driver timers */
+		del_timer_sync(&phba->fcp_poll_timer);
+		break;
+	case LPFC_PCI_DEV_OC:
+		/* Stop any OneConnect device sepcific driver timers */
+		lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0297 Invalid device group (x%x)\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return;
+}
+
+/**
+ * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine marks a HBA's management interface as blocked. Once the HBA's
+ * management interface is marked as blocked, all the user space access to
+ * the HBA, whether they are from sysfs interface or libdfc interface will
+ * all be blocked. The HBA is set to block the management interface when the
+ * driver prepares the HBA interface for online or offline.
+ **/
+static void
+lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
+{
+	unsigned long iflag;
+	uint8_t actcmd = MBX_HEARTBEAT;
+	unsigned long timeout;
+
+	spin_lock_irqsave(&phba->hbalock, iflag);
+	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
+	if (mbx_action == LPFC_MBX_NO_WAIT)
+		return;
+	timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
+	spin_lock_irqsave(&phba->hbalock, iflag);
+	if (phba->sli.mbox_active) {
+		actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
+		/* Determine how long we might wait for the active mailbox
+		 * command to be gracefully completed by firmware.
+		 */
+		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
+				phba->sli.mbox_active) * 1000) + jiffies;
+	}
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
+
+	/* Wait for the outstnading mailbox command to complete */
+	while (phba->sli.mbox_active) {
+		/* Check active mailbox complete status every 2ms */
+		msleep(2);
+		if (time_after(jiffies, timeout)) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2813 Mgmt IO is Blocked %x "
+				"- mbox cmd %x still active\n",
+				phba->sli.sli_flag, actcmd);
+			break;
+		}
+	}
+}
+
+/**
+ * lpfc_sli4_node_prep - Assign RPIs for active nodes.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * Allocate RPIs for all active remote nodes. This is needed whenever
+ * an SLI4 adapter is reset and the driver is not unloading. Its purpose
+ * is to fixup the temporary rpi assignments.
+ **/
+void
+lpfc_sli4_node_prep(struct lpfc_hba *phba)
+{
+	struct lpfc_nodelist  *ndlp, *next_ndlp;
+	struct lpfc_vport **vports;
+	int i;
+
+	if (phba->sli_rev != LPFC_SLI_REV4)
+		return;
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			if (vports[i]->load_flag & FC_UNLOADING)
+				continue;
+
+			list_for_each_entry_safe(ndlp, next_ndlp,
+						 &vports[i]->fc_nodes,
+						 nlp_listp) {
+				if (NLP_CHK_NODE_ACT(ndlp)) {
+					ndlp->nlp_rpi =
+						lpfc_sli4_alloc_rpi(phba);
+					lpfc_printf_vlog(ndlp->vport, KERN_INFO,
+							 LOG_NODE,
+							 "0009 rpi:%x DID:%x "
+							 "flg:%x map:%x %p\n",
+							 ndlp->nlp_rpi,
+							 ndlp->nlp_DID,
+							 ndlp->nlp_flag,
+							 ndlp->nlp_usg_map,
+							 ndlp);
+				}
+			}
+		}
+	}
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
+ * lpfc_online - Initialize and bring a HBA online
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine initializes the HBA and brings a HBA online. During this
+ * process, the management interface is blocked to prevent user space access
+ * to the HBA interfering with the driver initialization.
+ *
+ * Return codes
+ *   0 - successful
+ *   1 - failed
+ **/
+int
+lpfc_online(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport;
+	struct lpfc_vport **vports;
+	int i;
+	bool vpis_cleared = false;
+
+	if (!phba)
+		return 0;
+	vport = phba->pport;
+
+	if (!(vport->fc_flag & FC_OFFLINE_MODE))
+		return 0;
+
+	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+			"0458 Bring Adapter online\n");
+
+	lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
+
+	if (!lpfc_sli_queue_setup(phba)) {
+		lpfc_unblock_mgmt_io(phba);
+		return 1;
+	}
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
+			lpfc_unblock_mgmt_io(phba);
+			return 1;
+		}
+		spin_lock_irq(&phba->hbalock);
+		if (!phba->sli4_hba.max_cfg_param.vpi_used)
+			vpis_cleared = true;
+		spin_unlock_irq(&phba->hbalock);
+	} else {
+		if (lpfc_sli_hba_setup(phba)) {	/* Initialize SLI2/SLI3 HBA */
+			lpfc_unblock_mgmt_io(phba);
+			return 1;
+		}
+	}
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			struct Scsi_Host *shost;
+			shost = lpfc_shost_from_vport(vports[i]);
+			spin_lock_irq(shost->host_lock);
+			vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
+			if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
+				vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+			if (phba->sli_rev == LPFC_SLI_REV4) {
+				vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+				if ((vpis_cleared) &&
+				    (vports[i]->port_type !=
+					LPFC_PHYSICAL_PORT))
+					vports[i]->vpi = 0;
+			}
+			spin_unlock_irq(shost->host_lock);
+		}
+		lpfc_destroy_vport_work_array(phba, vports);
+
+	lpfc_unblock_mgmt_io(phba);
+	return 0;
+}
+
+/**
+ * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine marks a HBA's management interface as not blocked. Once the
+ * HBA's management interface is marked as not blocked, all the user space
+ * access to the HBA, whether they are from sysfs interface or libdfc
+ * interface will be allowed. The HBA is set to block the management interface
+ * when the driver prepares the HBA interface for online or offline and then
+ * set to unblock the management interface afterwards.
+ **/
+void
+lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
+{
+	unsigned long iflag;
+
+	spin_lock_irqsave(&phba->hbalock, iflag);
+	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
+}
+
+/**
+ * lpfc_offline_prep - Prepare a HBA to be brought offline
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to prepare a HBA to be brought offline. It performs
+ * unregistration login to all the nodes on all vports and flushes the mailbox
+ * queue to make it ready to be brought offline.
+ **/
+void
+lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct lpfc_nodelist  *ndlp, *next_ndlp;
+	struct lpfc_vport **vports;
+	struct Scsi_Host *shost;
+	int i;
+
+	if (vport->fc_flag & FC_OFFLINE_MODE)
+		return;
+
+	lpfc_block_mgmt_io(phba, mbx_action);
+
+	lpfc_linkdown(phba);
+
+	/* Issue an unreg_login to all nodes on all vports */
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			if (vports[i]->load_flag & FC_UNLOADING)
+				continue;
+			shost = lpfc_shost_from_vport(vports[i]);
+			spin_lock_irq(shost->host_lock);
+			vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
+			vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+			vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
+			spin_unlock_irq(shost->host_lock);
+
+			shost =	lpfc_shost_from_vport(vports[i]);
+			list_for_each_entry_safe(ndlp, next_ndlp,
+						 &vports[i]->fc_nodes,
+						 nlp_listp) {
+				if (!NLP_CHK_NODE_ACT(ndlp))
+					continue;
+				if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+					continue;
+				if (ndlp->nlp_type & NLP_FABRIC) {
+					lpfc_disc_state_machine(vports[i], ndlp,
+						NULL, NLP_EVT_DEVICE_RECOVERY);
+					lpfc_disc_state_machine(vports[i], ndlp,
+						NULL, NLP_EVT_DEVICE_RM);
+				}
+				spin_lock_irq(shost->host_lock);
+				ndlp->nlp_flag &= ~NLP_NPR_ADISC;
+				spin_unlock_irq(shost->host_lock);
+				/*
+				 * Whenever an SLI4 port goes offline, free the
+				 * RPI. Get a new RPI when the adapter port
+				 * comes back online.
+				 */
+				if (phba->sli_rev == LPFC_SLI_REV4) {
+					lpfc_printf_vlog(ndlp->vport,
+							 KERN_INFO, LOG_NODE,
+							 "0011 lpfc_offline: "
+							 "ndlp:x%p did %x "
+							 "usgmap:x%x rpi:%x\n",
+							 ndlp, ndlp->nlp_DID,
+							 ndlp->nlp_usg_map,
+							 ndlp->nlp_rpi);
+
+					lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
+				}
+				lpfc_unreg_rpi(vports[i], ndlp);
+			}
+		}
+	}
+	lpfc_destroy_vport_work_array(phba, vports);
+
+	lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
+}
+
+/**
+ * lpfc_offline - Bring a HBA offline
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine actually brings a HBA offline. It stops all the timers
+ * associated with the HBA, brings down the SLI layer, and eventually
+ * marks the HBA as in offline state for the upper layer protocol.
+ **/
+void
+lpfc_offline(struct lpfc_hba *phba)
+{
+	struct Scsi_Host  *shost;
+	struct lpfc_vport **vports;
+	int i;
+
+	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
+		return;
+
+	/* stop port and all timers associated with this hba */
+	lpfc_stop_port(phba);
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
+			lpfc_stop_vport_timers(vports[i]);
+	lpfc_destroy_vport_work_array(phba, vports);
+	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+			"0460 Bring Adapter offline\n");
+	/* Bring down the SLI Layer and cleanup.  The HBA is offline
+	   now.  */
+	lpfc_sli_hba_down(phba);
+	spin_lock_irq(&phba->hbalock);
+	phba->work_ha = 0;
+	spin_unlock_irq(&phba->hbalock);
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			shost = lpfc_shost_from_vport(vports[i]);
+			spin_lock_irq(shost->host_lock);
+			vports[i]->work_port_events = 0;
+			vports[i]->fc_flag |= FC_OFFLINE_MODE;
+			spin_unlock_irq(shost->host_lock);
+		}
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
+ * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to free all the SCSI buffers and IOCBs from the driver
+ * list back to kernel. It is called from lpfc_pci_remove_one to free
+ * the internal resources before the device is removed from the system.
+ **/
+static void
+lpfc_scsi_free(struct lpfc_hba *phba)
+{
+	struct lpfc_scsi_buf *sb, *sb_next;
+	struct lpfc_iocbq *io, *io_next;
+
+	spin_lock_irq(&phba->hbalock);
+
+	/* Release all the lpfc_scsi_bufs maintained by this host. */
+
+	spin_lock(&phba->scsi_buf_list_put_lock);
+	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
+				 list) {
+		list_del(&sb->list);
+		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
+			      sb->dma_handle);
+		kfree(sb);
+		phba->total_scsi_bufs--;
+	}
+	spin_unlock(&phba->scsi_buf_list_put_lock);
+
+	spin_lock(&phba->scsi_buf_list_get_lock);
+	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
+				 list) {
+		list_del(&sb->list);
+		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
+			      sb->dma_handle);
+		kfree(sb);
+		phba->total_scsi_bufs--;
+	}
+	spin_unlock(&phba->scsi_buf_list_get_lock);
+
+	/* Release all the lpfc_iocbq entries maintained by this host. */
+	list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
+		list_del(&io->list);
+		kfree(io);
+		phba->total_iocbq_bufs--;
+	}
+
+	spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine first calculates the sizes of the current els and allocated
+ * scsi sgl lists, and then goes through all sgls to updates the physical
+ * XRIs assigned due to port function reset. During port initialization, the
+ * current els and allocated scsi sgl lists are 0s.
+ *
+ * Return codes
+ *   0 - successful (for now, it always returns 0)
+ **/
+int
+lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
+{
+	struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
+	struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
+	uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
+	LIST_HEAD(els_sgl_list);
+	LIST_HEAD(scsi_sgl_list);
+	int rc;
+	struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
+
+	/*
+	 * update on pci function's els xri-sgl list
+	 */
+	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
+	if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
+		/* els xri-sgl expanded */
+		xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3157 ELS xri-sgl count increased from "
+				"%d to %d\n", phba->sli4_hba.els_xri_cnt,
+				els_xri_cnt);
+		/* allocate the additional els sgls */
+		for (i = 0; i < xri_cnt; i++) {
+			sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
+					     GFP_KERNEL);
+			if (sglq_entry == NULL) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+						"2562 Failure to allocate an "
+						"ELS sgl entry:%d\n", i);
+				rc = -ENOMEM;
+				goto out_free_mem;
+			}
+			sglq_entry->buff_type = GEN_BUFF_TYPE;
+			sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
+							   &sglq_entry->phys);
+			if (sglq_entry->virt == NULL) {
+				kfree(sglq_entry);
+				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+						"2563 Failure to allocate an "
+						"ELS mbuf:%d\n", i);
+				rc = -ENOMEM;
+				goto out_free_mem;
+			}
+			sglq_entry->sgl = sglq_entry->virt;
+			memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
+			sglq_entry->state = SGL_FREED;
+			list_add_tail(&sglq_entry->list, &els_sgl_list);
+		}
+		spin_lock_irq(&phba->hbalock);
+		spin_lock(&pring->ring_lock);
+		list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
+		spin_unlock(&pring->ring_lock);
+		spin_unlock_irq(&phba->hbalock);
+	} else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
+		/* els xri-sgl shrinked */
+		xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3158 ELS xri-sgl count decreased from "
+				"%d to %d\n", phba->sli4_hba.els_xri_cnt,
+				els_xri_cnt);
+		spin_lock_irq(&phba->hbalock);
+		spin_lock(&pring->ring_lock);
+		list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
+		spin_unlock(&pring->ring_lock);
+		spin_unlock_irq(&phba->hbalock);
+		/* release extra els sgls from list */
+		for (i = 0; i < xri_cnt; i++) {
+			list_remove_head(&els_sgl_list,
+					 sglq_entry, struct lpfc_sglq, list);
+			if (sglq_entry) {
+				lpfc_mbuf_free(phba, sglq_entry->virt,
+					       sglq_entry->phys);
+				kfree(sglq_entry);
+			}
+		}
+		spin_lock_irq(&phba->hbalock);
+		spin_lock(&pring->ring_lock);
+		list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
+		spin_unlock(&pring->ring_lock);
+		spin_unlock_irq(&phba->hbalock);
+	} else
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3163 ELS xri-sgl count unchanged: %d\n",
+				els_xri_cnt);
+	phba->sli4_hba.els_xri_cnt = els_xri_cnt;
+
+	/* update xris to els sgls on the list */
+	sglq_entry = NULL;
+	sglq_entry_next = NULL;
+	list_for_each_entry_safe(sglq_entry, sglq_entry_next,
+				 &phba->sli4_hba.lpfc_sgl_list, list) {
+		lxri = lpfc_sli4_next_xritag(phba);
+		if (lxri == NO_XRI) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+					"2400 Failed to allocate xri for "
+					"ELS sgl\n");
+			rc = -ENOMEM;
+			goto out_free_mem;
+		}
+		sglq_entry->sli4_lxritag = lxri;
+		sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
+	}
+
+	/*
+	 * update on pci function's allocated scsi xri-sgl list
+	 */
+	phba->total_scsi_bufs = 0;
+
+	/* maximum number of xris available for scsi buffers */
+	phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
+				      els_xri_cnt;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"2401 Current allocated SCSI xri-sgl count:%d, "
+			"maximum  SCSI xri count:%d\n",
+			phba->sli4_hba.scsi_xri_cnt,
+			phba->sli4_hba.scsi_xri_max);
+
+	spin_lock_irq(&phba->scsi_buf_list_get_lock);
+	spin_lock(&phba->scsi_buf_list_put_lock);
+	list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
+	list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
+	spin_unlock(&phba->scsi_buf_list_put_lock);
+	spin_unlock_irq(&phba->scsi_buf_list_get_lock);
+
+	if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
+		/* max scsi xri shrinked below the allocated scsi buffers */
+		scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
+					phba->sli4_hba.scsi_xri_max;
+		/* release the extra allocated scsi buffers */
+		for (i = 0; i < scsi_xri_cnt; i++) {
+			list_remove_head(&scsi_sgl_list, psb,
+					 struct lpfc_scsi_buf, list);
+			if (psb) {
+				pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
+					      psb->data, psb->dma_handle);
+				kfree(psb);
+			}
+		}
+		spin_lock_irq(&phba->scsi_buf_list_get_lock);
+		phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
+		spin_unlock_irq(&phba->scsi_buf_list_get_lock);
+	}
+
+	/* update xris associated to remaining allocated scsi buffers */
+	psb = NULL;
+	psb_next = NULL;
+	list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
+		lxri = lpfc_sli4_next_xritag(phba);
+		if (lxri == NO_XRI) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+					"2560 Failed to allocate xri for "
+					"scsi buffer\n");
+			rc = -ENOMEM;
+			goto out_free_mem;
+		}
+		psb->cur_iocbq.sli4_lxritag = lxri;
+		psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
+	}
+	spin_lock_irq(&phba->scsi_buf_list_get_lock);
+	spin_lock(&phba->scsi_buf_list_put_lock);
+	list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
+	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
+	spin_unlock(&phba->scsi_buf_list_put_lock);
+	spin_unlock_irq(&phba->scsi_buf_list_get_lock);
+
+	return 0;
+
+out_free_mem:
+	lpfc_free_els_sgl_list(phba);
+	lpfc_scsi_free(phba);
+	return rc;
+}
+
+/**
+ * lpfc_create_port - Create an FC port
+ * @phba: pointer to lpfc hba data structure.
+ * @instance: a unique integer ID to this FC port.
+ * @dev: pointer to the device data structure.
+ *
+ * This routine creates a FC port for the upper layer protocol. The FC port
+ * can be created on top of either a physical port or a virtual port provided
+ * by the HBA. This routine also allocates a SCSI host data structure (shost)
+ * and associates the FC port created before adding the shost into the SCSI
+ * layer.
+ *
+ * Return codes
+ *   @vport - pointer to the virtual N_Port data structure.
+ *   NULL - port create failed.
+ **/
+struct lpfc_vport *
+lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
+{
+	struct lpfc_vport *vport;
+	struct Scsi_Host  *shost;
+	int error = 0;
+
+	if (dev != &phba->pcidev->dev) {
+		shost = scsi_host_alloc(&lpfc_vport_template,
+					sizeof(struct lpfc_vport));
+	} else {
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			shost = scsi_host_alloc(&lpfc_template,
+					sizeof(struct lpfc_vport));
+		else
+			shost = scsi_host_alloc(&lpfc_template_s3,
+					sizeof(struct lpfc_vport));
+	}
+	if (!shost)
+		goto out;
+
+	vport = (struct lpfc_vport *) shost->hostdata;
+	vport->phba = phba;
+	vport->load_flag |= FC_LOADING;
+	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+	vport->fc_rscn_flush = 0;
+
+	lpfc_get_vport_cfgparam(vport);
+	shost->unique_id = instance;
+	shost->max_id = LPFC_MAX_TARGET;
+	shost->max_lun = vport->cfg_max_luns;
+	shost->this_id = -1;
+	shost->max_cmd_len = 16;
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		shost->dma_boundary =
+			phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
+		shost->sg_tablesize = phba->cfg_sg_seg_cnt;
+	}
+
+	/*
+	 * Set initial can_queue value since 0 is no longer supported and
+	 * scsi_add_host will fail. This will be adjusted later based on the
+	 * max xri value determined in hba setup.
+	 */
+	shost->can_queue = phba->cfg_hba_queue_depth - 10;
+	if (dev != &phba->pcidev->dev) {
+		shost->transportt = lpfc_vport_transport_template;
+		vport->port_type = LPFC_NPIV_PORT;
+	} else {
+		shost->transportt = lpfc_transport_template;
+		vport->port_type = LPFC_PHYSICAL_PORT;
+	}
+
+	/* Initialize all internally managed lists. */
+	INIT_LIST_HEAD(&vport->fc_nodes);
+	INIT_LIST_HEAD(&vport->rcv_buffer_list);
+	spin_lock_init(&vport->work_port_lock);
+
+	init_timer(&vport->fc_disctmo);
+	vport->fc_disctmo.function = lpfc_disc_timeout;
+	vport->fc_disctmo.data = (unsigned long)vport;
+
+	init_timer(&vport->fc_fdmitmo);
+	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
+	vport->fc_fdmitmo.data = (unsigned long)vport;
+
+	init_timer(&vport->els_tmofunc);
+	vport->els_tmofunc.function = lpfc_els_timeout;
+	vport->els_tmofunc.data = (unsigned long)vport;
+
+	init_timer(&vport->delayed_disc_tmo);
+	vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
+	vport->delayed_disc_tmo.data = (unsigned long)vport;
+
+	error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
+	if (error)
+		goto out_put_shost;
+
+	spin_lock_irq(&phba->hbalock);
+	list_add_tail(&vport->listentry, &phba->port_list);
+	spin_unlock_irq(&phba->hbalock);
+	return vport;
+
+out_put_shost:
+	scsi_host_put(shost);
+out:
+	return NULL;
+}
+
+/**
+ * destroy_port -  destroy an FC port
+ * @vport: pointer to an lpfc virtual N_Port data structure.
+ *
+ * This routine destroys a FC port from the upper layer protocol. All the
+ * resources associated with the port are released.
+ **/
+void
+destroy_port(struct lpfc_vport *vport)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_hba  *phba = vport->phba;
+
+	lpfc_debugfs_terminate(vport);
+	fc_remove_host(shost);
+	scsi_remove_host(shost);
+
+	spin_lock_irq(&phba->hbalock);
+	list_del_init(&vport->listentry);
+	spin_unlock_irq(&phba->hbalock);
+
+	lpfc_cleanup(vport);
+	return;
+}
+
+/**
+ * lpfc_get_instance - Get a unique integer ID
+ *
+ * This routine allocates a unique integer ID from lpfc_hba_index pool. It
+ * uses the kernel idr facility to perform the task.
+ *
+ * Return codes:
+ *   instance - a unique integer ID allocated as the new instance.
+ *   -1 - lpfc get instance failed.
+ **/
+int
+lpfc_get_instance(void)
+{
+	int ret;
+
+	ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
+	return ret < 0 ? -1 : ret;
+}
+
+/**
+ * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
+ * @shost: pointer to SCSI host data structure.
+ * @time: elapsed time of the scan in jiffies.
+ *
+ * This routine is called by the SCSI layer with a SCSI host to determine
+ * whether the scan host is finished.
+ *
+ * Note: there is no scan_start function as adapter initialization will have
+ * asynchronously kicked off the link initialization.
+ *
+ * Return codes
+ *   0 - SCSI host scan is not over yet.
+ *   1 - SCSI host scan is over.
+ **/
+int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int stat = 0;
+
+	spin_lock_irq(shost->host_lock);
+
+	if (vport->load_flag & FC_UNLOADING) {
+		stat = 1;
+		goto finished;
+	}
+	if (time >= msecs_to_jiffies(30 * 1000)) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0461 Scanning longer than 30 "
+				"seconds.  Continuing initialization\n");
+		stat = 1;
+		goto finished;
+	}
+	if (time >= msecs_to_jiffies(15 * 1000) &&
+	    phba->link_state <= LPFC_LINK_DOWN) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0465 Link down longer than 15 "
+				"seconds.  Continuing initialization\n");
+		stat = 1;
+		goto finished;
+	}
+
+	if (vport->port_state != LPFC_VPORT_READY)
+		goto finished;
+	if (vport->num_disc_nodes || vport->fc_prli_sent)
+		goto finished;
+	if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
+		goto finished;
+	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
+		goto finished;
+
+	stat = 1;
+
+finished:
+	spin_unlock_irq(shost->host_lock);
+	return stat;
+}
+
+/**
+ * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
+ * @shost: pointer to SCSI host data structure.
+ *
+ * This routine initializes a given SCSI host attributes on a FC port. The
+ * SCSI host can be either on top of a physical port or a virtual port.
+ **/
+void lpfc_host_attrib_init(struct Scsi_Host *shost)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	/*
+	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
+	 */
+
+	fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
+	fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
+	fc_host_supported_classes(shost) = FC_COS_CLASS3;
+
+	memset(fc_host_supported_fc4s(shost), 0,
+	       sizeof(fc_host_supported_fc4s(shost)));
+	fc_host_supported_fc4s(shost)[2] = 1;
+	fc_host_supported_fc4s(shost)[7] = 1;
+
+	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
+				 sizeof fc_host_symbolic_name(shost));
+
+	fc_host_supported_speeds(shost) = 0;
+	if (phba->lmt & LMT_16Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
+	if (phba->lmt & LMT_10Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
+	if (phba->lmt & LMT_8Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
+	if (phba->lmt & LMT_4Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
+	if (phba->lmt & LMT_2Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
+	if (phba->lmt & LMT_1Gb)
+		fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
+
+	fc_host_maxframe_size(shost) =
+		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
+		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
+
+	fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
+
+	/* This value is also unchanging */
+	memset(fc_host_active_fc4s(shost), 0,
+	       sizeof(fc_host_active_fc4s(shost)));
+	fc_host_active_fc4s(shost)[2] = 1;
+	fc_host_active_fc4s(shost)[7] = 1;
+
+	fc_host_max_npiv_vports(shost) = phba->max_vpi;
+	spin_lock_irq(shost->host_lock);
+	vport->load_flag &= ~FC_LOADING;
+	spin_unlock_irq(shost->host_lock);
+}
+
+/**
+ * lpfc_stop_port_s3 - Stop SLI3 device port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to stop an SLI3 device port, it stops the device
+ * from generating interrupts and stops the device driver's timers for the
+ * device.
+ **/
+static void
+lpfc_stop_port_s3(struct lpfc_hba *phba)
+{
+	/* Clear all interrupt enable conditions */
+	writel(0, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+	/* Clear all pending interrupts */
+	writel(0xffffffff, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+
+	/* Reset some HBA SLI setup states */
+	lpfc_stop_hba_timers(phba);
+	phba->pport->work_port_events = 0;
+}
+
+/**
+ * lpfc_stop_port_s4 - Stop SLI4 device port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to stop an SLI4 device port, it stops the device
+ * from generating interrupts and stops the device driver's timers for the
+ * device.
+ **/
+static void
+lpfc_stop_port_s4(struct lpfc_hba *phba)
+{
+	/* Reset some HBA SLI4 setup states */
+	lpfc_stop_hba_timers(phba);
+	phba->pport->work_port_events = 0;
+	phba->sli4_hba.intr_enable = 0;
+}
+
+/**
+ * lpfc_stop_port - Wrapper function for stopping hba port
+ * @phba: Pointer to HBA context object.
+ *
+ * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
+ * the API jump table function pointer from the lpfc_hba struct.
+ **/
+void
+lpfc_stop_port(struct lpfc_hba *phba)
+{
+	phba->lpfc_stop_port(phba);
+}
+
+/**
+ * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
+ * @phba: Pointer to hba for which this call is being executed.
+ *
+ * This routine starts the timer waiting for the FCF rediscovery to complete.
+ **/
+void
+lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
+{
+	unsigned long fcf_redisc_wait_tmo =
+		(jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
+	/* Start fcf rediscovery wait period timer */
+	mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
+	spin_lock_irq(&phba->hbalock);
+	/* Allow action to new fcf asynchronous event */
+	phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
+	/* Mark the FCF rediscovery pending state */
+	phba->fcf.fcf_flag |= FCF_REDISC_PEND;
+	spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
+ * @ptr: Map to lpfc_hba data structure pointer.
+ *
+ * This routine is invoked when waiting for FCF table rediscover has been
+ * timed out. If new FCF record(s) has (have) been discovered during the
+ * wait period, a new FCF event shall be added to the FCOE async event
+ * list, and then worker thread shall be waked up for processing from the
+ * worker thread context.
+ **/
+static void
+lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+
+	/* Don't send FCF rediscovery event if timer cancelled */
+	spin_lock_irq(&phba->hbalock);
+	if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+		spin_unlock_irq(&phba->hbalock);
+		return;
+	}
+	/* Clear FCF rediscovery timer pending flag */
+	phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+	/* FCF rediscovery event to worker thread */
+	phba->fcf.fcf_flag |= FCF_REDISC_EVT;
+	spin_unlock_irq(&phba->hbalock);
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+			"2776 FCF rediscover quiescent timer expired\n");
+	/* wake up worker thread */
+	lpfc_worker_wake_up(phba);
+}
+
+/**
+ * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link-attention link fault code and
+ * translate it into the base driver's read link attention mailbox command
+ * status.
+ *
+ * Return: Link-attention status in terms of base driver's coding.
+ **/
+static uint16_t
+lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
+			   struct lpfc_acqe_link *acqe_link)
+{
+	uint16_t latt_fault;
+
+	switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
+	case LPFC_ASYNC_LINK_FAULT_NONE:
+	case LPFC_ASYNC_LINK_FAULT_LOCAL:
+	case LPFC_ASYNC_LINK_FAULT_REMOTE:
+		latt_fault = 0;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0398 Invalid link fault code: x%x\n",
+				bf_get(lpfc_acqe_link_fault, acqe_link));
+		latt_fault = MBXERR_ERROR;
+		break;
+	}
+	return latt_fault;
+}
+
+/**
+ * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link attention type and translate it
+ * into the base driver's link attention type coding.
+ *
+ * Return: Link attention type in terms of base driver's coding.
+ **/
+static uint8_t
+lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
+			  struct lpfc_acqe_link *acqe_link)
+{
+	uint8_t att_type;
+
+	switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
+	case LPFC_ASYNC_LINK_STATUS_DOWN:
+	case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
+		att_type = LPFC_ATT_LINK_DOWN;
+		break;
+	case LPFC_ASYNC_LINK_STATUS_UP:
+		/* Ignore physical link up events - wait for logical link up */
+		att_type = LPFC_ATT_RESERVED;
+		break;
+	case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
+		att_type = LPFC_ATT_LINK_UP;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0399 Invalid link attention type: x%x\n",
+				bf_get(lpfc_acqe_link_status, acqe_link));
+		att_type = LPFC_ATT_RESERVED;
+		break;
+	}
+	return att_type;
+}
+
+/**
+ * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link-attention link speed and translate
+ * it into the base driver's link-attention link speed coding.
+ *
+ * Return: Link-attention link speed in terms of base driver's coding.
+ **/
+static uint8_t
+lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
+				struct lpfc_acqe_link *acqe_link)
+{
+	uint8_t link_speed;
+
+	switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
+	case LPFC_ASYNC_LINK_SPEED_ZERO:
+	case LPFC_ASYNC_LINK_SPEED_10MBPS:
+	case LPFC_ASYNC_LINK_SPEED_100MBPS:
+		link_speed = LPFC_LINK_SPEED_UNKNOWN;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_1GBPS:
+		link_speed = LPFC_LINK_SPEED_1GHZ;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_10GBPS:
+		link_speed = LPFC_LINK_SPEED_10GHZ;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_20GBPS:
+	case LPFC_ASYNC_LINK_SPEED_25GBPS:
+	case LPFC_ASYNC_LINK_SPEED_40GBPS:
+		link_speed = LPFC_LINK_SPEED_UNKNOWN;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0483 Invalid link-attention link speed: x%x\n",
+				bf_get(lpfc_acqe_link_speed, acqe_link));
+		link_speed = LPFC_LINK_SPEED_UNKNOWN;
+		break;
+	}
+	return link_speed;
+}
+
+/**
+ * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to get an SLI3 FC port's link speed in Mbps.
+ *
+ * Return: link speed in terms of Mbps.
+ **/
+uint32_t
+lpfc_sli_port_speed_get(struct lpfc_hba *phba)
+{
+	uint32_t link_speed;
+
+	if (!lpfc_is_link_up(phba))
+		return 0;
+
+	switch (phba->fc_linkspeed) {
+	case LPFC_LINK_SPEED_1GHZ:
+		link_speed = 1000;
+		break;
+	case LPFC_LINK_SPEED_2GHZ:
+		link_speed = 2000;
+		break;
+	case LPFC_LINK_SPEED_4GHZ:
+		link_speed = 4000;
+		break;
+	case LPFC_LINK_SPEED_8GHZ:
+		link_speed = 8000;
+		break;
+	case LPFC_LINK_SPEED_10GHZ:
+		link_speed = 10000;
+		break;
+	case LPFC_LINK_SPEED_16GHZ:
+		link_speed = 16000;
+		break;
+	default:
+		link_speed = 0;
+	}
+	return link_speed;
+}
+
+/**
+ * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
+ * @phba: pointer to lpfc hba data structure.
+ * @evt_code: asynchronous event code.
+ * @speed_code: asynchronous event link speed code.
+ *
+ * This routine is to parse the giving SLI4 async event link speed code into
+ * value of Mbps for the link speed.
+ *
+ * Return: link speed in terms of Mbps.
+ **/
+static uint32_t
+lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
+			   uint8_t speed_code)
+{
+	uint32_t port_speed;
+
+	switch (evt_code) {
+	case LPFC_TRAILER_CODE_LINK:
+		switch (speed_code) {
+		case LPFC_ASYNC_LINK_SPEED_ZERO:
+			port_speed = 0;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_10MBPS:
+			port_speed = 10;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_100MBPS:
+			port_speed = 100;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_1GBPS:
+			port_speed = 1000;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_10GBPS:
+			port_speed = 10000;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_20GBPS:
+			port_speed = 20000;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_25GBPS:
+			port_speed = 25000;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_40GBPS:
+			port_speed = 40000;
+			break;
+		default:
+			port_speed = 0;
+		}
+		break;
+	case LPFC_TRAILER_CODE_FC:
+		switch (speed_code) {
+		case LPFC_FC_LA_SPEED_UNKNOWN:
+			port_speed = 0;
+			break;
+		case LPFC_FC_LA_SPEED_1G:
+			port_speed = 1000;
+			break;
+		case LPFC_FC_LA_SPEED_2G:
+			port_speed = 2000;
+			break;
+		case LPFC_FC_LA_SPEED_4G:
+			port_speed = 4000;
+			break;
+		case LPFC_FC_LA_SPEED_8G:
+			port_speed = 8000;
+			break;
+		case LPFC_FC_LA_SPEED_10G:
+			port_speed = 10000;
+			break;
+		case LPFC_FC_LA_SPEED_16G:
+			port_speed = 16000;
+			break;
+		default:
+			port_speed = 0;
+		}
+		break;
+	default:
+		port_speed = 0;
+	}
+	return port_speed;
+}
+
+/**
+ * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous FCoE link event.
+ **/
+static void
+lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_link *acqe_link)
+{
+	struct lpfc_dmabuf *mp;
+	LPFC_MBOXQ_t *pmb;
+	MAILBOX_t *mb;
+	struct lpfc_mbx_read_top *la;
+	uint8_t att_type;
+	int rc;
+
+	att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
+	if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
+		return;
+	phba->fcoe_eventtag = acqe_link->event_tag;
+	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0395 The mboxq allocation failed\n");
+		return;
+	}
+	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!mp) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0396 The lpfc_dmabuf allocation failed\n");
+		goto out_free_pmb;
+	}
+	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+	if (!mp->virt) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0397 The mbuf allocation failed\n");
+		goto out_free_dmabuf;
+	}
+
+	/* Cleanup any outstanding ELS commands */
+	lpfc_els_flush_all_cmd(phba);
+
+	/* Block ELS IOCBs until we have done process link event */
+	phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
+
+	/* Update link event statistics */
+	phba->sli.slistat.link_event++;
+
+	/* Create lpfc_handle_latt mailbox command from link ACQE */
+	lpfc_read_topology(phba, pmb, mp);
+	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
+	pmb->vport = phba->pport;
+
+	/* Keep the link status for extra SLI4 state machine reference */
+	phba->sli4_hba.link_state.speed =
+			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
+				bf_get(lpfc_acqe_link_speed, acqe_link));
+	phba->sli4_hba.link_state.duplex =
+				bf_get(lpfc_acqe_link_duplex, acqe_link);
+	phba->sli4_hba.link_state.status =
+				bf_get(lpfc_acqe_link_status, acqe_link);
+	phba->sli4_hba.link_state.type =
+				bf_get(lpfc_acqe_link_type, acqe_link);
+	phba->sli4_hba.link_state.number =
+				bf_get(lpfc_acqe_link_number, acqe_link);
+	phba->sli4_hba.link_state.fault =
+				bf_get(lpfc_acqe_link_fault, acqe_link);
+	phba->sli4_hba.link_state.logical_speed =
+			bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"2900 Async FC/FCoE Link event - Speed:%dGBit "
+			"duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
+			"Logical speed:%dMbps Fault:%d\n",
+			phba->sli4_hba.link_state.speed,
+			phba->sli4_hba.link_state.topology,
+			phba->sli4_hba.link_state.status,
+			phba->sli4_hba.link_state.type,
+			phba->sli4_hba.link_state.number,
+			phba->sli4_hba.link_state.logical_speed,
+			phba->sli4_hba.link_state.fault);
+	/*
+	 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
+	 * topology info. Note: Optional for non FC-AL ports.
+	 */
+	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+		if (rc == MBX_NOT_FINISHED)
+			goto out_free_dmabuf;
+		return;
+	}
+	/*
+	 * For FCoE Mode: fill in all the topology information we need and call
+	 * the READ_TOPOLOGY completion routine to continue without actually
+	 * sending the READ_TOPOLOGY mailbox command to the port.
+	 */
+	/* Parse and translate status field */
+	mb = &pmb->u.mb;
+	mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
+
+	/* Parse and translate link attention fields */
+	la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
+	la->eventTag = acqe_link->event_tag;
+	bf_set(lpfc_mbx_read_top_att_type, la, att_type);
+	bf_set(lpfc_mbx_read_top_link_spd, la,
+	       lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
+
+	/* Fake the the following irrelvant fields */
+	bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
+	bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
+	bf_set(lpfc_mbx_read_top_il, la, 0);
+	bf_set(lpfc_mbx_read_top_pb, la, 0);
+	bf_set(lpfc_mbx_read_top_fa, la, 0);
+	bf_set(lpfc_mbx_read_top_mm, la, 0);
+
+	/* Invoke the lpfc_handle_latt mailbox command callback function */
+	lpfc_mbx_cmpl_read_topology(phba, pmb);
+
+	return;
+
+out_free_dmabuf:
+	kfree(mp);
+out_free_pmb:
+	mempool_free(pmb, phba->mbox_mem_pool);
+}
+
+/**
+ * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_fc: pointer to the async fc completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous FC event. It will simply log
+ * that the event was received and then issue a read_topology mailbox command so
+ * that the rest of the driver will treat it the same as SLI3.
+ **/
+static void
+lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
+{
+	struct lpfc_dmabuf *mp;
+	LPFC_MBOXQ_t *pmb;
+	int rc;
+
+	if (bf_get(lpfc_trailer_type, acqe_fc) !=
+	    LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2895 Non FC link Event detected.(%d)\n",
+				bf_get(lpfc_trailer_type, acqe_fc));
+		return;
+	}
+	/* Keep the link status for extra SLI4 state machine reference */
+	phba->sli4_hba.link_state.speed =
+			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
+				bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
+	phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
+	phba->sli4_hba.link_state.topology =
+				bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
+	phba->sli4_hba.link_state.status =
+				bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
+	phba->sli4_hba.link_state.type =
+				bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
+	phba->sli4_hba.link_state.number =
+				bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
+	phba->sli4_hba.link_state.fault =
+				bf_get(lpfc_acqe_link_fault, acqe_fc);
+	phba->sli4_hba.link_state.logical_speed =
+				bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"2896 Async FC event - Speed:%dGBaud Topology:x%x "
+			"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
+			"%dMbps Fault:%d\n",
+			phba->sli4_hba.link_state.speed,
+			phba->sli4_hba.link_state.topology,
+			phba->sli4_hba.link_state.status,
+			phba->sli4_hba.link_state.type,
+			phba->sli4_hba.link_state.number,
+			phba->sli4_hba.link_state.logical_speed,
+			phba->sli4_hba.link_state.fault);
+	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2897 The mboxq allocation failed\n");
+		return;
+	}
+	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!mp) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2898 The lpfc_dmabuf allocation failed\n");
+		goto out_free_pmb;
+	}
+	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+	if (!mp->virt) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2899 The mbuf allocation failed\n");
+		goto out_free_dmabuf;
+	}
+
+	/* Cleanup any outstanding ELS commands */
+	lpfc_els_flush_all_cmd(phba);
+
+	/* Block ELS IOCBs until we have done process link event */
+	phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
+
+	/* Update link event statistics */
+	phba->sli.slistat.link_event++;
+
+	/* Create lpfc_handle_latt mailbox command from link ACQE */
+	lpfc_read_topology(phba, pmb, mp);
+	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
+	pmb->vport = phba->pport;
+
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+	if (rc == MBX_NOT_FINISHED)
+		goto out_free_dmabuf;
+	return;
+
+out_free_dmabuf:
+	kfree(mp);
+out_free_pmb:
+	mempool_free(pmb, phba->mbox_mem_pool);
+}
+
+/**
+ * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_fc: pointer to the async SLI completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous SLI events.
+ **/
+static void
+lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
+{
+	char port_name;
+	char message[128];
+	uint8_t status;
+	uint8_t evt_type;
+	struct temp_event temp_event_data;
+	struct lpfc_acqe_misconfigured_event *misconfigured;
+	struct Scsi_Host  *shost;
+
+	evt_type = bf_get(lpfc_trailer_type, acqe_sli);
+
+	/* Special case Lancer */
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+		 LPFC_SLI_INTF_IF_TYPE_2) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"2901 Async SLI event - Event Data1:x%08x Event Data2:"
+				"x%08x SLI Event Type:%d\n",
+				acqe_sli->event_data1, acqe_sli->event_data2,
+				evt_type);
+		return;
+	}
+
+	port_name = phba->Port[0];
+	if (port_name == 0x00)
+		port_name = '?'; /* get port name is empty */
+
+	switch (evt_type) {
+	case LPFC_SLI_EVENT_TYPE_OVER_TEMP:
+		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
+		temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
+		temp_event_data.data = (uint32_t)acqe_sli->event_data1;
+
+		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+				"3190 Over Temperature:%d Celsius- Port Name %c\n",
+				acqe_sli->event_data1, port_name);
+
+		shost = lpfc_shost_from_vport(phba->pport);
+		fc_host_post_vendor_event(shost, fc_get_event_number(),
+					  sizeof(temp_event_data),
+					  (char *)&temp_event_data,
+					  SCSI_NL_VID_TYPE_PCI
+					  | PCI_VENDOR_ID_EMULEX);
+		break;
+	case LPFC_SLI_EVENT_TYPE_NORM_TEMP:
+		temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
+		temp_event_data.event_code = LPFC_NORMAL_TEMP;
+		temp_event_data.data = (uint32_t)acqe_sli->event_data1;
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3191 Normal Temperature:%d Celsius - Port Name %c\n",
+				acqe_sli->event_data1, port_name);
+
+		shost = lpfc_shost_from_vport(phba->pport);
+		fc_host_post_vendor_event(shost, fc_get_event_number(),
+					  sizeof(temp_event_data),
+					  (char *)&temp_event_data,
+					  SCSI_NL_VID_TYPE_PCI
+					  | PCI_VENDOR_ID_EMULEX);
+		break;
+	case LPFC_SLI_EVENT_TYPE_MISCONFIGURED:
+		misconfigured = (struct lpfc_acqe_misconfigured_event *)
+					&acqe_sli->event_data1;
+
+		/* fetch the status for this port */
+		switch (phba->sli4_hba.lnk_info.lnk_no) {
+		case LPFC_LINK_NUMBER_0:
+			status = bf_get(lpfc_sli_misconfigured_port0,
+					&misconfigured->theEvent);
+			break;
+		case LPFC_LINK_NUMBER_1:
+			status = bf_get(lpfc_sli_misconfigured_port1,
+					&misconfigured->theEvent);
+			break;
+		case LPFC_LINK_NUMBER_2:
+			status = bf_get(lpfc_sli_misconfigured_port2,
+					&misconfigured->theEvent);
+			break;
+		case LPFC_LINK_NUMBER_3:
+			status = bf_get(lpfc_sli_misconfigured_port3,
+					&misconfigured->theEvent);
+			break;
+		default:
+			status = ~LPFC_SLI_EVENT_STATUS_VALID;
+			break;
+		}
+
+		switch (status) {
+		case LPFC_SLI_EVENT_STATUS_VALID:
+			return; /* no message if the sfp is okay */
+		case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
+			sprintf(message, "Optics faulted/incorrectly "
+				"installed/not installed - Reseat optics, "
+				"if issue not resolved, replace.");
+			break;
+		case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
+			sprintf(message,
+				"Optics of two types installed - Remove one "
+				"optic or install matching pair of optics.");
+			break;
+		case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
+			sprintf(message, "Incompatible optics - Replace with "
+				"compatible optics for card to function.");
+			break;
+		default:
+			/* firmware is reporting a status we don't know about */
+			sprintf(message, "Unknown event status x%02x", status);
+			break;
+		}
+
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3176 Misconfigured Physical Port - "
+				"Port Name %c %s\n", port_name, message);
+		break;
+	case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT:
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3192 Remote DPort Test Initiated - "
+				"Event Data1:x%08x Event Data2: x%08x\n",
+				acqe_sli->event_data1, acqe_sli->event_data2);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3193 Async SLI event - Event Data1:x%08x Event Data2:"
+				"x%08x SLI Event Type:%d\n",
+				acqe_sli->event_data1, acqe_sli->event_data2,
+				evt_type);
+		break;
+	}
+}
+
+/**
+ * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
+ * @vport: pointer to vport data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on a vport in
+ * response to a CVL event.
+ *
+ * Return the pointer to the ndlp with the vport if successful, otherwise
+ * return NULL.
+ **/
+static struct lpfc_nodelist *
+lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp;
+	struct Scsi_Host *shost;
+	struct lpfc_hba *phba;
+
+	if (!vport)
+		return NULL;
+	phba = vport->phba;
+	if (!phba)
+		return NULL;
+	ndlp = lpfc_findnode_did(vport, Fabric_DID);
+	if (!ndlp) {
+		/* Cannot find existing Fabric ndlp, so allocate a new one */
+		ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
+		if (!ndlp)
+			return 0;
+		lpfc_nlp_init(vport, ndlp, Fabric_DID);
+		/* Set the node type */
+		ndlp->nlp_type |= NLP_FABRIC;
+		/* Put ndlp onto node list */
+		lpfc_enqueue_node(vport, ndlp);
+	} else if (!NLP_CHK_NODE_ACT(ndlp)) {
+		/* re-setup ndlp without removing from node list */
+		ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
+		if (!ndlp)
+			return 0;
+	}
+	if ((phba->pport->port_state < LPFC_FLOGI) &&
+		(phba->pport->port_state != LPFC_VPORT_FAILED))
+		return NULL;
+	/* If virtual link is not yet instantiated ignore CVL */
+	if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
+		&& (vport->port_state != LPFC_VPORT_FAILED))
+		return NULL;
+	shost = lpfc_shost_from_vport(vport);
+	if (!shost)
+		return NULL;
+	lpfc_linkdown_port(vport);
+	lpfc_cleanup_pending_mbox(vport);
+	spin_lock_irq(shost->host_lock);
+	vport->fc_flag |= FC_VPORT_CVL_RCVD;
+	spin_unlock_irq(shost->host_lock);
+
+	return ndlp;
+}
+
+/**
+ * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
+ * @vport: pointer to lpfc hba data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on all vports in
+ * response to a FCF dead event.
+ **/
+static void
+lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
+{
+	struct lpfc_vport **vports;
+	int i;
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
+			lpfc_sli4_perform_vport_cvl(vports[i]);
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
+ * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async fcoe completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous fcoe event.
+ **/
+static void
+lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
+			struct lpfc_acqe_fip *acqe_fip)
+{
+	uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
+	int rc;
+	struct lpfc_vport *vport;
+	struct lpfc_nodelist *ndlp;
+	struct Scsi_Host  *shost;
+	int active_vlink_present;
+	struct lpfc_vport **vports;
+	int i;
+
+	phba->fc_eventTag = acqe_fip->event_tag;
+	phba->fcoe_eventtag = acqe_fip->event_tag;
+	switch (event_type) {
+	case LPFC_FIP_EVENT_TYPE_NEW_FCF:
+	case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
+		if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+					LOG_DISCOVERY,
+					"2546 New FCF event, evt_tag:x%x, "
+					"index:x%x\n",
+					acqe_fip->event_tag,
+					acqe_fip->index);
+		else
+			lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
+					LOG_DISCOVERY,
+					"2788 FCF param modified event, "
+					"evt_tag:x%x, index:x%x\n",
+					acqe_fip->event_tag,
+					acqe_fip->index);
+		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+			/*
+			 * During period of FCF discovery, read the FCF
+			 * table record indexed by the event to update
+			 * FCF roundrobin failover eligible FCF bmask.
+			 */
+			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+					LOG_DISCOVERY,
+					"2779 Read FCF (x%x) for updating "
+					"roundrobin FCF failover bmask\n",
+					acqe_fip->index);
+			rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
+		}
+
+		/* If the FCF discovery is in progress, do nothing. */
+		spin_lock_irq(&phba->hbalock);
+		if (phba->hba_flag & FCF_TS_INPROG) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+		/* If fast FCF failover rescan event is pending, do nothing */
+		if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+
+		/* If the FCF has been in discovered state, do nothing. */
+		if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+		spin_unlock_irq(&phba->hbalock);
+
+		/* Otherwise, scan the entire FCF table and re-discover SAN */
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2770 Start FCF table scan per async FCF "
+				"event, evt_tag:x%x, index:x%x\n",
+				acqe_fip->event_tag, acqe_fip->index);
+		rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+						     LPFC_FCOE_FCF_GET_FIRST);
+		if (rc)
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+					"2547 Issue FCF scan read FCF mailbox "
+					"command failed (x%x)\n", rc);
+		break;
+
+	case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"2548 FCF Table full count 0x%x tag 0x%x\n",
+			bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
+			acqe_fip->event_tag);
+		break;
+
+	case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
+		phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+			"2549 FCF (x%x) disconnected from network, "
+			"tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
+		/*
+		 * If we are in the middle of FCF failover process, clear
+		 * the corresponding FCF bit in the roundrobin bitmap.
+		 */
+		spin_lock_irq(&phba->hbalock);
+		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+			spin_unlock_irq(&phba->hbalock);
+			/* Update FLOGI FCF failover eligible FCF bmask */
+			lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
+			break;
+		}
+		spin_unlock_irq(&phba->hbalock);
+
+		/* If the event is not for currently used fcf do nothing */
+		if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
+			break;
+
+		/*
+		 * Otherwise, request the port to rediscover the entire FCF
+		 * table for a fast recovery from case that the current FCF
+		 * is no longer valid as we are not in the middle of FCF
+		 * failover process already.
+		 */
+		spin_lock_irq(&phba->hbalock);
+		/* Mark the fast failover process in progress */
+		phba->fcf.fcf_flag |= FCF_DEAD_DISC;
+		spin_unlock_irq(&phba->hbalock);
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2771 Start FCF fast failover process due to "
+				"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
+				"\n", acqe_fip->event_tag, acqe_fip->index);
+		rc = lpfc_sli4_redisc_fcf_table(phba);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+					LOG_DISCOVERY,
+					"2772 Issue FCF rediscover mabilbox "
+					"command failed, fail through to FCF "
+					"dead event\n");
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * Last resort will fail over by treating this
+			 * as a link down to FCF registration.
+			 */
+			lpfc_sli4_fcf_dead_failthrough(phba);
+		} else {
+			/* Reset FCF roundrobin bmask for new discovery */
+			lpfc_sli4_clear_fcf_rr_bmask(phba);
+			/*
+			 * Handling fast FCF failover to a DEAD FCF event is
+			 * considered equalivant to receiving CVL to all vports.
+			 */
+			lpfc_sli4_perform_all_vport_cvl(phba);
+		}
+		break;
+	case LPFC_FIP_EVENT_TYPE_CVL:
+		phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+			"2718 Clear Virtual Link Received for VPI 0x%x"
+			" tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
+
+		vport = lpfc_find_vport_by_vpid(phba,
+						acqe_fip->index);
+		ndlp = lpfc_sli4_perform_vport_cvl(vport);
+		if (!ndlp)
+			break;
+		active_vlink_present = 0;
+
+		vports = lpfc_create_vport_work_array(phba);
+		if (vports) {
+			for (i = 0; i <= phba->max_vports && vports[i] != NULL;
+					i++) {
+				if ((!(vports[i]->fc_flag &
+					FC_VPORT_CVL_RCVD)) &&
+					(vports[i]->port_state > LPFC_FDISC)) {
+					active_vlink_present = 1;
+					break;
+				}
+			}
+			lpfc_destroy_vport_work_array(phba, vports);
+		}
+
+		if (active_vlink_present) {
+			/*
+			 * If there are other active VLinks present,
+			 * re-instantiate the Vlink using FDISC.
+			 */
+			mod_timer(&ndlp->nlp_delayfunc,
+				  jiffies + msecs_to_jiffies(1000));
+			shost = lpfc_shost_from_vport(vport);
+			spin_lock_irq(shost->host_lock);
+			ndlp->nlp_flag |= NLP_DELAY_TMO;
+			spin_unlock_irq(shost->host_lock);
+			ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+			vport->port_state = LPFC_FDISC;
+		} else {
+			/*
+			 * Otherwise, we request port to rediscover
+			 * the entire FCF table for a fast recovery
+			 * from possible case that the current FCF
+			 * is no longer valid if we are not already
+			 * in the FCF failover process.
+			 */
+			spin_lock_irq(&phba->hbalock);
+			if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+				spin_unlock_irq(&phba->hbalock);
+				break;
+			}
+			/* Mark the fast failover process in progress */
+			phba->fcf.fcf_flag |= FCF_ACVL_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+					LOG_DISCOVERY,
+					"2773 Start FCF failover per CVL, "
+					"evt_tag:x%x\n", acqe_fip->event_tag);
+			rc = lpfc_sli4_redisc_fcf_table(phba);
+			if (rc) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+						LOG_DISCOVERY,
+						"2774 Issue FCF rediscover "
+						"mabilbox command failed, "
+						"through to CVL event\n");
+				spin_lock_irq(&phba->hbalock);
+				phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
+				spin_unlock_irq(&phba->hbalock);
+				/*
+				 * Last resort will be re-try on the
+				 * the current registered FCF entry.
+				 */
+				lpfc_retry_pport_discovery(phba);
+			} else
+				/*
+				 * Reset FCF roundrobin bmask for new
+				 * discovery.
+				 */
+				lpfc_sli4_clear_fcf_rr_bmask(phba);
+		}
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"0288 Unknown FCoE event type 0x%x event tag "
+			"0x%x\n", event_type, acqe_fip->event_tag);
+		break;
+	}
+}
+
+/**
+ * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async dcbx completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous dcbx event.
+ **/
+static void
+lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_dcbx *acqe_dcbx)
+{
+	phba->fc_eventTag = acqe_dcbx->event_tag;
+	lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"0290 The SLI4 DCBX asynchronous event is not "
+			"handled yet\n");
+}
+
+/**
+ * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async grp5 completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
+ * is an asynchronous notified of a logical link speed change.  The Port
+ * reports the logical link speed in units of 10Mbps.
+ **/
+static void
+lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_grp5 *acqe_grp5)
+{
+	uint16_t prev_ll_spd;
+
+	phba->fc_eventTag = acqe_grp5->event_tag;
+	phba->fcoe_eventtag = acqe_grp5->event_tag;
+	prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
+	phba->sli4_hba.link_state.logical_speed =
+		(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"2789 GRP5 Async Event: Updating logical link speed "
+			"from %dMbps to %dMbps\n", prev_ll_spd,
+			phba->sli4_hba.link_state.logical_speed);
+}
+
+/**
+ * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process all the pending
+ * SLI4 asynchronous events.
+ **/
+void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
+
+	/* First, declare the async event has been handled */
+	spin_lock_irq(&phba->hbalock);
+	phba->hba_flag &= ~ASYNC_EVENT;
+	spin_unlock_irq(&phba->hbalock);
+	/* Now, handle all the async events */
+	while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
+		/* Get the first event from the head of the event queue */
+		spin_lock_irq(&phba->hbalock);
+		list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
+				 cq_event, struct lpfc_cq_event, list);
+		spin_unlock_irq(&phba->hbalock);
+		/* Process the asynchronous event */
+		switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
+		case LPFC_TRAILER_CODE_LINK:
+			lpfc_sli4_async_link_evt(phba,
+						 &cq_event->cqe.acqe_link);
+			break;
+		case LPFC_TRAILER_CODE_FCOE:
+			lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
+			break;
+		case LPFC_TRAILER_CODE_DCBX:
+			lpfc_sli4_async_dcbx_evt(phba,
+						 &cq_event->cqe.acqe_dcbx);
+			break;
+		case LPFC_TRAILER_CODE_GRP5:
+			lpfc_sli4_async_grp5_evt(phba,
+						 &cq_event->cqe.acqe_grp5);
+			break;
+		case LPFC_TRAILER_CODE_FC:
+			lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
+			break;
+		case LPFC_TRAILER_CODE_SLI:
+			lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
+			break;
+		default:
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+					"1804 Invalid asynchrous event code: "
+					"x%x\n", bf_get(lpfc_trailer_code,
+					&cq_event->cqe.mcqe_cmpl));
+			break;
+		}
+		/* Free the completion event processed to the free pool */
+		lpfc_sli4_cq_event_release(phba, cq_event);
+	}
+}
+
+/**
+ * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process FCF table
+ * rediscovery pending completion event.
+ **/
+void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
+{
+	int rc;
+
+	spin_lock_irq(&phba->hbalock);
+	/* Clear FCF rediscovery timeout event */
+	phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
+	/* Clear driver fast failover FCF record flag */
+	phba->fcf.failover_rec.flag = 0;
+	/* Set state for FCF fast failover */
+	phba->fcf.fcf_flag |= FCF_REDISC_FOV;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Scan FCF table from the first entry to re-discover SAN */
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+			"2777 Start post-quiescent FCF table scan\n");
+	rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
+	if (rc)
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+				"2747 Issue FCF scan read FCF mailbox "
+				"command failed 0x%x\n", rc);
+}
+
+/**
+ * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
+ * @phba: pointer to lpfc hba data structure.
+ * @dev_grp: The HBA PCI-Device group number.
+ *
+ * This routine is invoked to set up the per HBA PCI-Device group function
+ * API jump table entries.
+ *
+ * Return: 0 if success, otherwise -ENODEV
+ **/
+int
+lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
+{
+	int rc;
+
+	/* Set up lpfc PCI-device group */
+	phba->pci_dev_grp = dev_grp;
+
+	/* The LPFC_PCI_DEV_OC uses SLI4 */
+	if (dev_grp == LPFC_PCI_DEV_OC)
+		phba->sli_rev = LPFC_SLI_REV4;
+
+	/* Set up device INIT API function jump table */
+	rc = lpfc_init_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up SCSI API function jump table */
+	rc = lpfc_scsi_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up SLI API function jump table */
+	rc = lpfc_sli_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up MBOX API function jump table */
+	rc = lpfc_mbox_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+
+	return 0;
+}
+
+/**
+ * lpfc_log_intr_mode - Log the active interrupt mode
+ * @phba: pointer to lpfc hba data structure.
+ * @intr_mode: active interrupt mode adopted.
+ *
+ * This routine it invoked to log the currently used active interrupt mode
+ * to the device.
+ **/
+static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
+{
+	switch (intr_mode) {
+	case 0:
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0470 Enable INTx interrupt mode.\n");
+		break;
+	case 1:
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0481 Enabled MSI interrupt mode.\n");
+		break;
+	case 2:
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0480 Enabled MSI-X interrupt mode.\n");
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0482 Illegal interrupt mode.\n");
+		break;
+	}
+	return;
+}
+
+/**
+ * lpfc_enable_pci_dev - Enable a generic PCI device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the PCI device that is common to all
+ * PCI devices.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_enable_pci_dev(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+	int bars = 0;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		goto out_error;
+	else
+		pdev = phba->pcidev;
+	/* Select PCI BARs */
+	bars = pci_select_bars(pdev, IORESOURCE_MEM);
+	/* Enable PCI device */
+	if (pci_enable_device_mem(pdev))
+		goto out_error;
+	/* Request PCI resource for the device */
+	if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
+		goto out_disable_device;
+	/* Set up device as PCI master and save state for EEH */
+	pci_set_master(pdev);
+	pci_try_set_mwi(pdev);
+	pci_save_state(pdev);
+
+	/* PCIe EEH recovery on powerpc platforms needs fundamental reset */
+	if (pci_is_pcie(pdev))
+		pdev->needs_freset = 1;
+
+	return 0;
+
+out_disable_device:
+	pci_disable_device(pdev);
+out_error:
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"1401 Failed to enable pci device, bars:x%x\n", bars);
+	return -ENODEV;
+}
+
+/**
+ * lpfc_disable_pci_dev - Disable a generic PCI device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable the PCI device that is common to all
+ * PCI devices.
+ **/
+static void
+lpfc_disable_pci_dev(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+	int bars;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return;
+	else
+		pdev = phba->pcidev;
+	/* Select PCI BARs */
+	bars = pci_select_bars(pdev, IORESOURCE_MEM);
+	/* Release PCI resource and disable PCI device */
+	pci_release_selected_regions(pdev, bars);
+	pci_disable_device(pdev);
+
+	return;
+}
+
+/**
+ * lpfc_reset_hba - Reset a hba
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to reset a hba device. It brings the HBA
+ * offline, performs a board restart, and then brings the board back
+ * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
+ * on outstanding mailbox commands.
+ **/
+void
+lpfc_reset_hba(struct lpfc_hba *phba)
+{
+	/* If resets are disabled then set error state and return. */
+	if (!phba->cfg_enable_hba_reset) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return;
+	}
+	if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
+		lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+	else
+		lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
+	lpfc_offline(phba);
+	lpfc_sli_brdrestart(phba);
+	lpfc_online(phba);
+	lpfc_unblock_mgmt_io(phba);
+}
+
+/**
+ * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This function enables the PCI SR-IOV virtual functions to a physical
+ * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
+ * enable the number of virtual functions to the physical function. As
+ * not all devices support SR-IOV, the return code from the pci_enable_sriov()
+ * API call does not considered as an error condition for most of the device.
+ **/
+uint16_t
+lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev = phba->pcidev;
+	uint16_t nr_virtfn;
+	int pos;
+
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+	if (pos == 0)
+		return 0;
+
+	pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
+	return nr_virtfn;
+}
+
+/**
+ * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
+ * @phba: pointer to lpfc hba data structure.
+ * @nr_vfn: number of virtual functions to be enabled.
+ *
+ * This function enables the PCI SR-IOV virtual functions to a physical
+ * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
+ * enable the number of virtual functions to the physical function. As
+ * not all devices support SR-IOV, the return code from the pci_enable_sriov()
+ * API call does not considered as an error condition for most of the device.
+ **/
+int
+lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
+{
+	struct pci_dev *pdev = phba->pcidev;
+	uint16_t max_nr_vfn;
+	int rc;
+
+	max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
+	if (nr_vfn > max_nr_vfn) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3057 Requested vfs (%d) greater than "
+				"supported vfs (%d)", nr_vfn, max_nr_vfn);
+		return -EINVAL;
+	}
+
+	rc = pci_enable_sriov(pdev, nr_vfn);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2806 Failed to enable sriov on this device "
+				"with vfn number nr_vf:%d, rc:%d\n",
+				nr_vfn, rc);
+	} else
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2807 Successful enable sriov on this device "
+				"with vfn number nr_vf:%d\n", nr_vfn);
+	return rc;
+}
+
+/**
+ * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the driver internal resources specific to
+ * support the SLI-3 HBA device it attached to.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli;
+	int rc;
+
+	/*
+	 * Initialize timers used by driver
+	 */
+
+	/* Heartbeat timer */
+	init_timer(&phba->hb_tmofunc);
+	phba->hb_tmofunc.function = lpfc_hb_timeout;
+	phba->hb_tmofunc.data = (unsigned long)phba;
+
+	psli = &phba->sli;
+	/* MBOX heartbeat timer */
+	init_timer(&psli->mbox_tmo);
+	psli->mbox_tmo.function = lpfc_mbox_timeout;
+	psli->mbox_tmo.data = (unsigned long) phba;
+	/* FCP polling mode timer */
+	init_timer(&phba->fcp_poll_timer);
+	phba->fcp_poll_timer.function = lpfc_poll_timeout;
+	phba->fcp_poll_timer.data = (unsigned long) phba;
+	/* Fabric block timer */
+	init_timer(&phba->fabric_block_timer);
+	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
+	phba->fabric_block_timer.data = (unsigned long) phba;
+	/* EA polling mode timer */
+	init_timer(&phba->eratt_poll);
+	phba->eratt_poll.function = lpfc_poll_eratt;
+	phba->eratt_poll.data = (unsigned long) phba;
+
+	/* Host attention work mask setup */
+	phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
+	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
+
+	/* Get all the module params for configuring this host */
+	lpfc_get_cfgparam(phba);
+	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
+		phba->menlo_flag |= HBA_MENLO_SUPPORT;
+		/* check for menlo minimum sg count */
+		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
+			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
+	}
+
+	if (!phba->sli.ring)
+		phba->sli.ring = (struct lpfc_sli_ring *)
+			kzalloc(LPFC_SLI3_MAX_RING *
+			sizeof(struct lpfc_sli_ring), GFP_KERNEL);
+	if (!phba->sli.ring)
+		return -ENOMEM;
+
+	/*
+	 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
+	 * used to create the sg_dma_buf_pool must be dynamically calculated.
+	 */
+
+	/* Initialize the host templates the configured values. */
+	lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+	lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+
+	/* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
+	if (phba->cfg_enable_bg) {
+		/*
+		 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
+		 * the FCP rsp, and a BDE for each. Sice we have no control
+		 * over how many protection data segments the SCSI Layer
+		 * will hand us (ie: there could be one for every block
+		 * in the IO), we just allocate enough BDEs to accomidate
+		 * our max amount and we need to limit lpfc_sg_seg_cnt to
+		 * minimize the risk of running out.
+		 */
+		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
+			sizeof(struct fcp_rsp) +
+			(LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
+
+		if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
+			phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
+
+		/* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
+		phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
+	} else {
+		/*
+		 * The scsi_buf for a regular I/O will hold the FCP cmnd,
+		 * the FCP rsp, a BDE for each, and a BDE for up to
+		 * cfg_sg_seg_cnt data segments.
+		 */
+		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
+			sizeof(struct fcp_rsp) +
+			((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
+
+		/* Total BDEs in BPL for scsi_sg_list */
+		phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
+	}
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
+			"9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
+			phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
+			phba->cfg_total_seg_cnt);
+
+	phba->max_vpi = LPFC_MAX_VPI;
+	/* This will be set to correct value after config_port mbox */
+	phba->max_vports = 0;
+
+	/*
+	 * Initialize the SLI Layer to run with lpfc HBAs.
+	 */
+	lpfc_sli_setup(phba);
+	lpfc_sli_queue_setup(phba);
+
+	/* Allocate device driver memory */
+	if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
+		return -ENOMEM;
+
+	/*
+	 * Enable sr-iov virtual functions if supported and configured
+	 * through the module parameter.
+	 */
+	if (phba->cfg_sriov_nr_virtfn > 0) {
+		rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
+						 phba->cfg_sriov_nr_virtfn);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"2808 Requested number of SR-IOV "
+					"virtual functions (%d) is not "
+					"supported\n",
+					phba->cfg_sriov_nr_virtfn);
+			phba->cfg_sriov_nr_virtfn = 0;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the driver internal resources set up
+ * specific for supporting the SLI-3 HBA device it attached to.
+ **/
+static void
+lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
+{
+	/* Free device driver memory allocated */
+	lpfc_mem_free_all(phba);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the driver internal resources specific to
+ * support the SLI-4 HBA device it attached to.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
+{
+	struct lpfc_vector_map_info *cpup;
+	struct lpfc_sli *psli;
+	LPFC_MBOXQ_t *mboxq;
+	int rc, i, hbq_count, max_buf_size;
+	uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
+	struct lpfc_mqe *mqe;
+	int longs;
+	int fof_vectors = 0;
+
+	/* Get all the module params for configuring this host */
+	lpfc_get_cfgparam(phba);
+
+	/* Before proceed, wait for POST done and device ready */
+	rc = lpfc_sli4_post_status_check(phba);
+	if (rc)
+		return -ENODEV;
+
+	/*
+	 * Initialize timers used by driver
+	 */
+
+	/* Heartbeat timer */
+	init_timer(&phba->hb_tmofunc);
+	phba->hb_tmofunc.function = lpfc_hb_timeout;
+	phba->hb_tmofunc.data = (unsigned long)phba;
+	init_timer(&phba->rrq_tmr);
+	phba->rrq_tmr.function = lpfc_rrq_timeout;
+	phba->rrq_tmr.data = (unsigned long)phba;
+
+	psli = &phba->sli;
+	/* MBOX heartbeat timer */
+	init_timer(&psli->mbox_tmo);
+	psli->mbox_tmo.function = lpfc_mbox_timeout;
+	psli->mbox_tmo.data = (unsigned long) phba;
+	/* Fabric block timer */
+	init_timer(&phba->fabric_block_timer);
+	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
+	phba->fabric_block_timer.data = (unsigned long) phba;
+	/* EA polling mode timer */
+	init_timer(&phba->eratt_poll);
+	phba->eratt_poll.function = lpfc_poll_eratt;
+	phba->eratt_poll.data = (unsigned long) phba;
+	/* FCF rediscover timer */
+	init_timer(&phba->fcf.redisc_wait);
+	phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
+	phba->fcf.redisc_wait.data = (unsigned long)phba;
+
+	/*
+	 * Control structure for handling external multi-buffer mailbox
+	 * command pass-through.
+	 */
+	memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
+		sizeof(struct lpfc_mbox_ext_buf_ctx));
+	INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+
+	phba->max_vpi = LPFC_MAX_VPI;
+
+	/* This will be set to correct value after the read_config mbox */
+	phba->max_vports = 0;
+
+	/* Program the default value of vlan_id and fc_map */
+	phba->valid_vlan = 0;
+	phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
+	phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
+	phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
+
+	/*
+	 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
+	 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
+	 */
+	if (!phba->sli.ring)
+		phba->sli.ring = kzalloc(
+			(LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
+			sizeof(struct lpfc_sli_ring), GFP_KERNEL);
+	if (!phba->sli.ring)
+		return -ENOMEM;
+
+	/*
+	 * It doesn't matter what family our adapter is in, we are
+	 * limited to 2 Pages, 512 SGEs, for our SGL.
+	 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
+	 */
+	max_buf_size = (2 * SLI4_PAGE_SIZE);
+	if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
+		phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
+
+	/*
+	 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
+	 * used to create the sg_dma_buf_pool must be dynamically calculated.
+	 */
+
+	if (phba->cfg_enable_bg) {
+		/*
+		 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
+		 * the FCP rsp, and a SGE for each. Sice we have no control
+		 * over how many protection data segments the SCSI Layer
+		 * will hand us (ie: there could be one for every block
+		 * in the IO), we just allocate enough SGEs to accomidate
+		 * our max amount and we need to limit lpfc_sg_seg_cnt to
+		 * minimize the risk of running out.
+		 */
+		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
+			sizeof(struct fcp_rsp) + max_buf_size;
+
+		/* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
+		phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
+
+		if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
+			phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
+	} else {
+		/*
+		 * The scsi_buf for a regular I/O will hold the FCP cmnd,
+		 * the FCP rsp, a SGE for each, and a SGE for up to
+		 * cfg_sg_seg_cnt data segments.
+		 */
+		phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
+			sizeof(struct fcp_rsp) +
+			((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
+
+		/* Total SGEs for scsi_sg_list */
+		phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
+		/*
+		 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
+		 * to post 1 page for the SGL.
+		 */
+	}
+
+	/* Initialize the host templates with the updated values. */
+	lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+	lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
+
+	if (phba->cfg_sg_dma_buf_size  <= LPFC_MIN_SG_SLI4_BUF_SZ)
+		phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
+	else
+		phba->cfg_sg_dma_buf_size =
+			SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
+			"9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
+			phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
+			phba->cfg_total_seg_cnt);
+
+	/* Initialize buffer queue management fields */
+	hbq_count = lpfc_sli_hbq_count();
+	for (i = 0; i < hbq_count; ++i)
+		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
+	INIT_LIST_HEAD(&phba->rb_pend_list);
+	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
+	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
+
+	/*
+	 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
+	 */
+	/* Initialize the Abort scsi buffer list used by driver */
+	spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+	/* This abort list used by worker thread */
+	spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
+
+	/*
+	 * Initialize driver internal slow-path work queues
+	 */
+
+	/* Driver internel slow-path CQ Event pool */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
+	/* Response IOCB work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
+	/* Asynchronous event CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
+	/* Fast-path XRI aborted CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
+	/* Slow-path XRI aborted CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
+	/* Receive queue CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
+
+	/* Initialize extent block lists. */
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
+	INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
+
+	/* Initialize the driver internal SLI layer lists. */
+	lpfc_sli_setup(phba);
+	lpfc_sli_queue_setup(phba);
+
+	/* Allocate device driver memory */
+	rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
+	if (rc)
+		return -ENOMEM;
+
+	/* IF Type 2 ports get initialized now. */
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
+	    LPFC_SLI_INTF_IF_TYPE_2) {
+		rc = lpfc_pci_function_reset(phba);
+		if (unlikely(rc))
+			return -ENODEV;
+		phba->temp_sensor_support = 1;
+	}
+
+	/* Create the bootstrap mailbox command */
+	rc = lpfc_create_bootstrap_mbox(phba);
+	if (unlikely(rc))
+		goto out_free_mem;
+
+	/* Set up the host's endian order with the device. */
+	rc = lpfc_setup_endian_order(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+
+	/* Set up the hba's configuration parameters. */
+	rc = lpfc_sli4_read_config(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+	rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+
+	/* IF Type 0 ports get initialized now. */
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
+	    LPFC_SLI_INTF_IF_TYPE_0) {
+		rc = lpfc_pci_function_reset(phba);
+		if (unlikely(rc))
+			goto out_free_bsmbx;
+	}
+
+	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+						       GFP_KERNEL);
+	if (!mboxq) {
+		rc = -ENOMEM;
+		goto out_free_bsmbx;
+	}
+
+	/* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
+	lpfc_supported_pages(mboxq);
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	if (!rc) {
+		mqe = &mboxq->u.mqe;
+		memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
+		       LPFC_MAX_SUPPORTED_PAGES);
+		for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
+			switch (pn_page[i]) {
+			case LPFC_SLI4_PARAMETERS:
+				phba->sli4_hba.pc_sli4_params.supported = 1;
+				break;
+			default:
+				break;
+			}
+		}
+		/* Read the port's SLI4 Parameters capabilities if supported. */
+		if (phba->sli4_hba.pc_sli4_params.supported)
+			rc = lpfc_pc_sli4_params_get(phba, mboxq);
+		if (rc) {
+			mempool_free(mboxq, phba->mbox_mem_pool);
+			rc = -EIO;
+			goto out_free_bsmbx;
+		}
+	}
+	/*
+	 * Get sli4 parameters that override parameters from Port capabilities.
+	 * If this call fails, it isn't critical unless the SLI4 parameters come
+	 * back in conflict.
+	 */
+	rc = lpfc_get_sli4_parameters(phba, mboxq);
+	if (rc) {
+		if (phba->sli4_hba.extents_in_use &&
+		    phba->sli4_hba.rpi_hdrs_in_use) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2999 Unsupported SLI4 Parameters "
+				"Extents and RPI headers enabled.\n");
+			goto out_free_bsmbx;
+		}
+	}
+	mempool_free(mboxq, phba->mbox_mem_pool);
+
+	/* Verify OAS is supported */
+	lpfc_sli4_oas_verify(phba);
+	if (phba->cfg_fof)
+		fof_vectors = 1;
+
+	/* Verify all the SLI4 queues */
+	rc = lpfc_sli4_queue_verify(phba);
+	if (rc)
+		goto out_free_bsmbx;
+
+	/* Create driver internal CQE event pool */
+	rc = lpfc_sli4_cq_event_pool_create(phba);
+	if (rc)
+		goto out_free_bsmbx;
+
+	/* Initialize sgl lists per host */
+	lpfc_init_sgl_list(phba);
+
+	/* Allocate and initialize active sgl array */
+	rc = lpfc_init_active_sgl_array(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1430 Failed to initialize sgl list.\n");
+		goto out_destroy_cq_event_pool;
+	}
+	rc = lpfc_sli4_init_rpi_hdrs(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1432 Failed to initialize rpi headers.\n");
+		goto out_free_active_sgl;
+	}
+
+	/* Allocate eligible FCF bmask memory for FCF roundrobin failover */
+	longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
+	phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
+					 GFP_KERNEL);
+	if (!phba->fcf.fcf_rr_bmask) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2759 Failed allocate memory for FCF round "
+				"robin failover bmask\n");
+		rc = -ENOMEM;
+		goto out_remove_rpi_hdrs;
+	}
+
+	phba->sli4_hba.fcp_eq_hdl =
+			kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
+			    (fof_vectors + phba->cfg_fcp_io_channel)),
+			    GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_eq_hdl) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2572 Failed allocate memory for "
+				"fast-path per-EQ handle array\n");
+		rc = -ENOMEM;
+		goto out_free_fcf_rr_bmask;
+	}
+
+	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
+				  (fof_vectors +
+				   phba->cfg_fcp_io_channel)), GFP_KERNEL);
+	if (!phba->sli4_hba.msix_entries) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2573 Failed allocate memory for msi-x "
+				"interrupt vector entries\n");
+		rc = -ENOMEM;
+		goto out_free_fcp_eq_hdl;
+	}
+
+	phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
+					 phba->sli4_hba.num_present_cpu),
+					 GFP_KERNEL);
+	if (!phba->sli4_hba.cpu_map) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3327 Failed allocate memory for msi-x "
+				"interrupt vector mapping\n");
+		rc = -ENOMEM;
+		goto out_free_msix;
+	}
+	if (lpfc_used_cpu == NULL) {
+		lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
+					 GFP_KERNEL);
+		if (!lpfc_used_cpu) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3335 Failed allocate memory for msi-x "
+					"interrupt vector mapping\n");
+			kfree(phba->sli4_hba.cpu_map);
+			rc = -ENOMEM;
+			goto out_free_msix;
+		}
+		for (i = 0; i < lpfc_present_cpu; i++)
+			lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
+	}
+
+	/* Initialize io channels for round robin */
+	cpup = phba->sli4_hba.cpu_map;
+	rc = 0;
+	for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+		cpup->channel_id = rc;
+		rc++;
+		if (rc >= phba->cfg_fcp_io_channel)
+			rc = 0;
+	}
+
+	/*
+	 * Enable sr-iov virtual functions if supported and configured
+	 * through the module parameter.
+	 */
+	if (phba->cfg_sriov_nr_virtfn > 0) {
+		rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
+						 phba->cfg_sriov_nr_virtfn);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"3020 Requested number of SR-IOV "
+					"virtual functions (%d) is not "
+					"supported\n",
+					phba->cfg_sriov_nr_virtfn);
+			phba->cfg_sriov_nr_virtfn = 0;
+		}
+	}
+
+	return 0;
+
+out_free_msix:
+	kfree(phba->sli4_hba.msix_entries);
+out_free_fcp_eq_hdl:
+	kfree(phba->sli4_hba.fcp_eq_hdl);
+out_free_fcf_rr_bmask:
+	kfree(phba->fcf.fcf_rr_bmask);
+out_remove_rpi_hdrs:
+	lpfc_sli4_remove_rpi_hdrs(phba);
+out_free_active_sgl:
+	lpfc_free_active_sgl(phba);
+out_destroy_cq_event_pool:
+	lpfc_sli4_cq_event_pool_destroy(phba);
+out_free_bsmbx:
+	lpfc_destroy_bootstrap_mbox(phba);
+out_free_mem:
+	lpfc_mem_free(phba);
+	return rc;
+}
+
+/**
+ * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the driver internal resources set up
+ * specific for supporting the SLI-4 HBA device it attached to.
+ **/
+static void
+lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
+{
+	struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
+
+	/* Free memory allocated for msi-x interrupt vector to CPU mapping */
+	kfree(phba->sli4_hba.cpu_map);
+	phba->sli4_hba.num_present_cpu = 0;
+	phba->sli4_hba.num_online_cpu = 0;
+	phba->sli4_hba.curr_disp_cpu = 0;
+
+	/* Free memory allocated for msi-x interrupt vector entries */
+	kfree(phba->sli4_hba.msix_entries);
+
+	/* Free memory allocated for fast-path work queue handles */
+	kfree(phba->sli4_hba.fcp_eq_hdl);
+
+	/* Free the allocated rpi headers. */
+	lpfc_sli4_remove_rpi_hdrs(phba);
+	lpfc_sli4_remove_rpis(phba);
+
+	/* Free eligible FCF index bmask */
+	kfree(phba->fcf.fcf_rr_bmask);
+
+	/* Free the ELS sgl list */
+	lpfc_free_active_sgl(phba);
+	lpfc_free_els_sgl_list(phba);
+
+	/* Free the completion queue EQ event pool */
+	lpfc_sli4_cq_event_release_all(phba);
+	lpfc_sli4_cq_event_pool_destroy(phba);
+
+	/* Release resource identifiers. */
+	lpfc_sli4_dealloc_resource_identifiers(phba);
+
+	/* Free the bsmbx region. */
+	lpfc_destroy_bootstrap_mbox(phba);
+
+	/* Free the SLI Layer memory with SLI4 HBAs */
+	lpfc_mem_free_all(phba);
+
+	/* Free the current connect table */
+	list_for_each_entry_safe(conn_entry, next_conn_entry,
+		&phba->fcf_conn_rec_list, list) {
+		list_del_init(&conn_entry->list);
+		kfree(conn_entry);
+	}
+
+	return;
+}
+
+/**
+ * lpfc_init_api_table_setup - Set up init api function jump table
+ * @phba: The hba struct for which this call is being executed.
+ * @dev_grp: The HBA PCI-Device group number.
+ *
+ * This routine sets up the device INIT interface API function jump table
+ * in @phba struct.
+ *
+ * Returns: 0 - success, -ENODEV - failure.
+ **/
+int
+lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
+{
+	phba->lpfc_hba_init_link = lpfc_hba_init_link;
+	phba->lpfc_hba_down_link = lpfc_hba_down_link;
+	phba->lpfc_selective_reset = lpfc_selective_reset;
+	switch (dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
+		phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
+		phba->lpfc_stop_port = lpfc_stop_port_s3;
+		break;
+	case LPFC_PCI_DEV_OC:
+		phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
+		phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
+		phba->lpfc_stop_port = lpfc_stop_port_s4;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1431 Invalid HBA PCI-device group: 0x%x\n",
+				dev_grp);
+		return -ENODEV;
+		break;
+	}
+	return 0;
+}
+
+/**
+ * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the driver internal resources before the
+ * device specific resource setup to support the HBA device it attached to.
+ *
+ * Return codes
+ *	0 - successful
+ *	other values - error
+ **/
+static int
+lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
+{
+	/*
+	 * Driver resources common to all SLI revisions
+	 */
+	atomic_set(&phba->fast_event_count, 0);
+	spin_lock_init(&phba->hbalock);
+
+	/* Initialize ndlp management spinlock */
+	spin_lock_init(&phba->ndlp_lock);
+
+	INIT_LIST_HEAD(&phba->port_list);
+	INIT_LIST_HEAD(&phba->work_list);
+	init_waitqueue_head(&phba->wait_4_mlo_m_q);
+
+	/* Initialize the wait queue head for the kernel thread */
+	init_waitqueue_head(&phba->work_waitq);
+
+	/* Initialize the scsi buffer list used by driver for scsi IO */
+	spin_lock_init(&phba->scsi_buf_list_get_lock);
+	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
+	spin_lock_init(&phba->scsi_buf_list_put_lock);
+	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
+
+	/* Initialize the fabric iocb list */
+	INIT_LIST_HEAD(&phba->fabric_iocb_list);
+
+	/* Initialize list to save ELS buffers */
+	INIT_LIST_HEAD(&phba->elsbuf);
+
+	/* Initialize FCF connection rec list */
+	INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
+
+	/* Initialize OAS configuration list */
+	spin_lock_init(&phba->devicelock);
+	INIT_LIST_HEAD(&phba->luns);
+
+	return 0;
+}
+
+/**
+ * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the driver internal resources after the
+ * device specific resource setup to support the HBA device it attached to.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
+{
+	int error;
+
+	/* Startup the kernel thread for this host adapter. */
+	phba->worker_thread = kthread_run(lpfc_do_work, phba,
+					  "lpfc_worker_%d", phba->brd_no);
+	if (IS_ERR(phba->worker_thread)) {
+		error = PTR_ERR(phba->worker_thread);
+		return error;
+	}
+
+	return 0;
+}
+
+/**
+ * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the driver internal resources set up after
+ * the device specific resource setup for supporting the HBA device it
+ * attached to.
+ **/
+static void
+lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
+{
+	/* Stop kernel worker thread */
+	kthread_stop(phba->worker_thread);
+}
+
+/**
+ * lpfc_free_iocb_list - Free iocb list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the driver's IOCB list and memory.
+ **/
+static void
+lpfc_free_iocb_list(struct lpfc_hba *phba)
+{
+	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
+
+	spin_lock_irq(&phba->hbalock);
+	list_for_each_entry_safe(iocbq_entry, iocbq_next,
+				 &phba->lpfc_iocb_list, list) {
+		list_del(&iocbq_entry->list);
+		kfree(iocbq_entry);
+		phba->total_iocbq_bufs--;
+	}
+	spin_unlock_irq(&phba->hbalock);
+
+	return;
+}
+
+/**
+ * lpfc_init_iocb_list - Allocate and initialize iocb list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate and initizlize the driver's IOCB
+ * list and set up the IOCB tag array accordingly.
+ *
+ * Return codes
+ *	0 - successful
+ *	other values - error
+ **/
+static int
+lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
+{
+	struct lpfc_iocbq *iocbq_entry = NULL;
+	uint16_t iotag;
+	int i;
+
+	/* Initialize and populate the iocb list per host.  */
+	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
+	for (i = 0; i < iocb_count; i++) {
+		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
+		if (iocbq_entry == NULL) {
+			printk(KERN_ERR "%s: only allocated %d iocbs of "
+				"expected %d count. Unloading driver.\n",
+				__func__, i, LPFC_IOCB_LIST_CNT);
+			goto out_free_iocbq;
+		}
+
+		iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
+		if (iotag == 0) {
+			kfree(iocbq_entry);
+			printk(KERN_ERR "%s: failed to allocate IOTAG. "
+				"Unloading driver.\n", __func__);
+			goto out_free_iocbq;
+		}
+		iocbq_entry->sli4_lxritag = NO_XRI;
+		iocbq_entry->sli4_xritag = NO_XRI;
+
+		spin_lock_irq(&phba->hbalock);
+		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
+		phba->total_iocbq_bufs++;
+		spin_unlock_irq(&phba->hbalock);
+	}
+
+	return 0;
+
+out_free_iocbq:
+	lpfc_free_iocb_list(phba);
+
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_free_sgl_list - Free a given sgl list.
+ * @phba: pointer to lpfc hba data structure.
+ * @sglq_list: pointer to the head of sgl list.
+ *
+ * This routine is invoked to free a give sgl list and memory.
+ **/
+void
+lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
+{
+	struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
+
+	list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
+		list_del(&sglq_entry->list);
+		lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
+		kfree(sglq_entry);
+	}
+}
+
+/**
+ * lpfc_free_els_sgl_list - Free els sgl list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the driver's els sgl list and memory.
+ **/
+static void
+lpfc_free_els_sgl_list(struct lpfc_hba *phba)
+{
+	LIST_HEAD(sglq_list);
+	struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
+
+	/* Retrieve all els sgls from driver list */
+	spin_lock_irq(&phba->hbalock);
+	spin_lock(&pring->ring_lock);
+	list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
+	spin_unlock(&pring->ring_lock);
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Now free the sgl list */
+	lpfc_free_sgl_list(phba, &sglq_list);
+}
+
+/**
+ * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate the driver's active sgl memory.
+ * This array will hold the sglq_entry's for active IOs.
+ **/
+static int
+lpfc_init_active_sgl_array(struct lpfc_hba *phba)
+{
+	int size;
+	size = sizeof(struct lpfc_sglq *);
+	size *= phba->sli4_hba.max_cfg_param.max_xri;
+
+	phba->sli4_hba.lpfc_sglq_active_list =
+		kzalloc(size, GFP_KERNEL);
+	if (!phba->sli4_hba.lpfc_sglq_active_list)
+		return -ENOMEM;
+	return 0;
+}
+
+/**
+ * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to walk through the array of active sglq entries
+ * and free all of the resources.
+ * This is just a place holder for now.
+ **/
+static void
+lpfc_free_active_sgl(struct lpfc_hba *phba)
+{
+	kfree(phba->sli4_hba.lpfc_sglq_active_list);
+}
+
+/**
+ * lpfc_init_sgl_list - Allocate and initialize sgl list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate and initizlize the driver's sgl
+ * list and set up the sgl xritag tag array accordingly.
+ *
+ **/
+static void
+lpfc_init_sgl_list(struct lpfc_hba *phba)
+{
+	/* Initialize and populate the sglq list per host/VF. */
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+
+	/* els xri-sgl book keeping */
+	phba->sli4_hba.els_xri_cnt = 0;
+
+	/* scsi xri-buffer book keeping */
+	phba->sli4_hba.scsi_xri_cnt = 0;
+}
+
+/**
+ * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to post rpi header templates to the
+ * port for those SLI4 ports that do not support extents.  This routine
+ * posts a PAGE_SIZE memory region to the port to hold up to
+ * PAGE_SIZE modulo 64 rpi context headers.  This is an initialization routine
+ * and should be called only when interrupts are disabled.
+ *
+ * Return codes
+ * 	0 - successful
+ *	-ERROR - otherwise.
+ **/
+int
+lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
+{
+	int rc = 0;
+	struct lpfc_rpi_hdr *rpi_hdr;
+
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
+	if (!phba->sli4_hba.rpi_hdrs_in_use)
+		return rc;
+	if (phba->sli4_hba.extents_in_use)
+		return -EIO;
+
+	rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
+	if (!rpi_hdr) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+				"0391 Error during rpi post operation\n");
+		lpfc_sli4_remove_rpis(phba);
+		rc = -ENODEV;
+	}
+
+	return rc;
+}
+
+/**
+ * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate a single 4KB memory region to
+ * support rpis and stores them in the phba.  This single region
+ * provides support for up to 64 rpis.  The region is used globally
+ * by the device.
+ *
+ * Returns:
+ *   A valid rpi hdr on success.
+ *   A NULL pointer on any failure.
+ **/
+struct lpfc_rpi_hdr *
+lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
+{
+	uint16_t rpi_limit, curr_rpi_range;
+	struct lpfc_dmabuf *dmabuf;
+	struct lpfc_rpi_hdr *rpi_hdr;
+	uint32_t rpi_count;
+
+	/*
+	 * If the SLI4 port supports extents, posting the rpi header isn't
+	 * required.  Set the expected maximum count and let the actual value
+	 * get set when extents are fully allocated.
+	 */
+	if (!phba->sli4_hba.rpi_hdrs_in_use)
+		return NULL;
+	if (phba->sli4_hba.extents_in_use)
+		return NULL;
+
+	/* The limit on the logical index is just the max_rpi count. */
+	rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
+	phba->sli4_hba.max_cfg_param.max_rpi - 1;
+
+	spin_lock_irq(&phba->hbalock);
+	/*
+	 * Establish the starting RPI in this header block.  The starting
+	 * rpi is normalized to a zero base because the physical rpi is
+	 * port based.
+	 */
+	curr_rpi_range = phba->sli4_hba.next_rpi;
+	spin_unlock_irq(&phba->hbalock);
+
+	/*
+	 * The port has a limited number of rpis. The increment here
+	 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
+	 * and to allow the full max_rpi range per port.
+	 */
+	if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
+		rpi_count = rpi_limit - curr_rpi_range;
+	else
+		rpi_count = LPFC_RPI_HDR_COUNT;
+
+	if (!rpi_count)
+		return NULL;
+	/*
+	 * First allocate the protocol header region for the port.  The
+	 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
+	 */
+	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!dmabuf)
+		return NULL;
+
+	dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
+					   LPFC_HDR_TEMPLATE_SIZE,
+					   &dmabuf->phys, GFP_KERNEL);
+	if (!dmabuf->virt) {
+		rpi_hdr = NULL;
+		goto err_free_dmabuf;
+	}
+
+	if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
+		rpi_hdr = NULL;
+		goto err_free_coherent;
+	}
+
+	/* Save the rpi header data for cleanup later. */
+	rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
+	if (!rpi_hdr)
+		goto err_free_coherent;
+
+	rpi_hdr->dmabuf = dmabuf;
+	rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
+	rpi_hdr->page_count = 1;
+	spin_lock_irq(&phba->hbalock);
+
+	/* The rpi_hdr stores the logical index only. */
+	rpi_hdr->start_rpi = curr_rpi_range;
+	list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
+
+	/*
+	 * The next_rpi stores the next logical module-64 rpi value used
+	 * to post physical rpis in subsequent rpi postings.
+	 */
+	phba->sli4_hba.next_rpi += rpi_count;
+	spin_unlock_irq(&phba->hbalock);
+	return rpi_hdr;
+
+ err_free_coherent:
+	dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
+			  dmabuf->virt, dmabuf->phys);
+ err_free_dmabuf:
+	kfree(dmabuf);
+	return NULL;
+}
+
+/**
+ * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to remove all memory resources allocated
+ * to support rpis for SLI4 ports not supporting extents. This routine
+ * presumes the caller has released all rpis consumed by fabric or port
+ * logins and is prepared to have the header pages removed.
+ **/
+void
+lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
+{
+	struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
+
+	if (!phba->sli4_hba.rpi_hdrs_in_use)
+		goto exit;
+
+	list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
+				 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
+		list_del(&rpi_hdr->list);
+		dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
+				  rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
+		kfree(rpi_hdr->dmabuf);
+		kfree(rpi_hdr);
+	}
+ exit:
+	/* There are no rpis available to the port now. */
+	phba->sli4_hba.next_rpi = 0;
+}
+
+/**
+ * lpfc_hba_alloc - Allocate driver hba data structure for a device.
+ * @pdev: pointer to pci device data structure.
+ *
+ * This routine is invoked to allocate the driver hba data structure for an
+ * HBA device. If the allocation is successful, the phba reference to the
+ * PCI device data structure is set.
+ *
+ * Return codes
+ *      pointer to @phba - successful
+ *      NULL - error
+ **/
+static struct lpfc_hba *
+lpfc_hba_alloc(struct pci_dev *pdev)
+{
+	struct lpfc_hba *phba;
+
+	/* Allocate memory for HBA structure */
+	phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
+	if (!phba) {
+		dev_err(&pdev->dev, "failed to allocate hba struct\n");
+		return NULL;
+	}
+
+	/* Set reference to PCI device in HBA structure */
+	phba->pcidev = pdev;
+
+	/* Assign an unused board number */
+	phba->brd_no = lpfc_get_instance();
+	if (phba->brd_no < 0) {
+		kfree(phba);
+		return NULL;
+	}
+
+	spin_lock_init(&phba->ct_ev_lock);
+	INIT_LIST_HEAD(&phba->ct_ev_waiters);
+
+	return phba;
+}
+
+/**
+ * lpfc_hba_free - Free driver hba data structure with a device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the driver hba data structure with an
+ * HBA device.
+ **/
+static void
+lpfc_hba_free(struct lpfc_hba *phba)
+{
+	/* Release the driver assigned board number */
+	idr_remove(&lpfc_hba_index, phba->brd_no);
+
+	/* Free memory allocated with sli rings */
+	kfree(phba->sli.ring);
+	phba->sli.ring = NULL;
+
+	kfree(phba);
+	return;
+}
+
+/**
+ * lpfc_create_shost - Create hba physical port with associated scsi host.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to create HBA physical port and associate a SCSI
+ * host with it.
+ *
+ * Return codes
+ *      0 - successful
+ *      other values - error
+ **/
+static int
+lpfc_create_shost(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport;
+	struct Scsi_Host  *shost;
+
+	/* Initialize HBA FC structure */
+	phba->fc_edtov = FF_DEF_EDTOV;
+	phba->fc_ratov = FF_DEF_RATOV;
+	phba->fc_altov = FF_DEF_ALTOV;
+	phba->fc_arbtov = FF_DEF_ARBTOV;
+
+	atomic_set(&phba->sdev_cnt, 0);
+	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
+	if (!vport)
+		return -ENODEV;
+
+	shost = lpfc_shost_from_vport(vport);
+	phba->pport = vport;
+	lpfc_debugfs_initialize(vport);
+	/* Put reference to SCSI host to driver's device private data */
+	pci_set_drvdata(phba->pcidev, shost);
+
+	return 0;
+}
+
+/**
+ * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to destroy HBA physical port and the associated
+ * SCSI host.
+ **/
+static void
+lpfc_destroy_shost(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+
+	/* Destroy physical port that associated with the SCSI host */
+	destroy_port(vport);
+
+	return;
+}
+
+/**
+ * lpfc_setup_bg - Setup Block guard structures and debug areas.
+ * @phba: pointer to lpfc hba data structure.
+ * @shost: the shost to be used to detect Block guard settings.
+ *
+ * This routine sets up the local Block guard protocol settings for @shost.
+ * This routine also allocates memory for debugging bg buffers.
+ **/
+static void
+lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
+{
+	uint32_t old_mask;
+	uint32_t old_guard;
+
+	int pagecnt = 10;
+	if (lpfc_prot_mask && lpfc_prot_guard) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"1478 Registering BlockGuard with the "
+				"SCSI layer\n");
+
+		old_mask = lpfc_prot_mask;
+		old_guard = lpfc_prot_guard;
+
+		/* Only allow supported values */
+		lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
+			SHOST_DIX_TYPE0_PROTECTION |
+			SHOST_DIX_TYPE1_PROTECTION);
+		lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
+
+		/* DIF Type 1 protection for profiles AST1/C1 is end to end */
+		if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
+			lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
+
+		if (lpfc_prot_mask && lpfc_prot_guard) {
+			if ((old_mask != lpfc_prot_mask) ||
+				(old_guard != lpfc_prot_guard))
+				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"1475 Registering BlockGuard with the "
+					"SCSI layer: mask %d  guard %d\n",
+					lpfc_prot_mask, lpfc_prot_guard);
+
+			scsi_host_set_prot(shost, lpfc_prot_mask);
+			scsi_host_set_guard(shost, lpfc_prot_guard);
+		} else
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1479 Not Registering BlockGuard with the SCSI "
+				"layer, Bad protection parameters: %d %d\n",
+				old_mask, old_guard);
+	}
+
+	if (!_dump_buf_data) {
+		while (pagecnt) {
+			spin_lock_init(&_dump_buf_lock);
+			_dump_buf_data =
+				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
+			if (_dump_buf_data) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9043 BLKGRD: allocated %d pages for "
+				       "_dump_buf_data at 0x%p\n",
+				       (1 << pagecnt), _dump_buf_data);
+				_dump_buf_data_order = pagecnt;
+				memset(_dump_buf_data, 0,
+				       ((1 << PAGE_SHIFT) << pagecnt));
+				break;
+			} else
+				--pagecnt;
+		}
+		if (!_dump_buf_data_order)
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+				"9044 BLKGRD: ERROR unable to allocate "
+			       "memory for hexdump\n");
+	} else
+		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9045 BLKGRD: already allocated _dump_buf_data=0x%p"
+		       "\n", _dump_buf_data);
+	if (!_dump_buf_dif) {
+		while (pagecnt) {
+			_dump_buf_dif =
+				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
+			if (_dump_buf_dif) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9046 BLKGRD: allocated %d pages for "
+				       "_dump_buf_dif at 0x%p\n",
+				       (1 << pagecnt), _dump_buf_dif);
+				_dump_buf_dif_order = pagecnt;
+				memset(_dump_buf_dif, 0,
+				       ((1 << PAGE_SHIFT) << pagecnt));
+				break;
+			} else
+				--pagecnt;
+		}
+		if (!_dump_buf_dif_order)
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9047 BLKGRD: ERROR unable to allocate "
+			       "memory for hexdump\n");
+	} else
+		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
+		       _dump_buf_dif);
+}
+
+/**
+ * lpfc_post_init_setup - Perform necessary device post initialization setup.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to perform all the necessary post initialization
+ * setup for the device.
+ **/
+static void
+lpfc_post_init_setup(struct lpfc_hba *phba)
+{
+	struct Scsi_Host  *shost;
+	struct lpfc_adapter_event_header adapter_event;
+
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
+	/*
+	 * hba setup may have changed the hba_queue_depth so we need to
+	 * adjust the value of can_queue.
+	 */
+	shost = pci_get_drvdata(phba->pcidev);
+	shost->can_queue = phba->cfg_hba_queue_depth - 10;
+	if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
+		lpfc_setup_bg(phba, shost);
+
+	lpfc_host_attrib_init(shost);
+
+	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+		spin_lock_irq(shost->host_lock);
+		lpfc_poll_start_timer(phba);
+		spin_unlock_irq(shost->host_lock);
+	}
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0428 Perform SCSI scan\n");
+	/* Send board arrival event to upper layer */
+	adapter_event.event_type = FC_REG_ADAPTER_EVENT;
+	adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+				  sizeof(adapter_event),
+				  (char *) &adapter_event,
+				  LPFC_NL_VENDOR_ID);
+	return;
+}
+
+/**
+ * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the PCI device memory space for device
+ * with SLI-3 interface spec.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+	unsigned long bar0map_len, bar2map_len;
+	int i, hbq_count;
+	void *ptr;
+	int error = -ENODEV;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return error;
+	else
+		pdev = phba->pcidev;
+
+	/* Set the device DMA mask size */
+	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
+	 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
+		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
+		 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
+			return error;
+		}
+	}
+
+	/* Get the bus address of Bar0 and Bar2 and the number of bytes
+	 * required by each mapping.
+	 */
+	phba->pci_bar0_map = pci_resource_start(pdev, 0);
+	bar0map_len = pci_resource_len(pdev, 0);
+
+	phba->pci_bar2_map = pci_resource_start(pdev, 2);
+	bar2map_len = pci_resource_len(pdev, 2);
+
+	/* Map HBA SLIM to a kernel virtual address. */
+	phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
+	if (!phba->slim_memmap_p) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLIM memory.\n");
+		goto out;
+	}
+
+	/* Map HBA Control Registers to a kernel virtual address. */
+	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
+	if (!phba->ctrl_regs_memmap_p) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for HBA control registers.\n");
+		goto out_iounmap_slim;
+	}
+
+	/* Allocate memory for SLI-2 structures */
+	phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE,
+						&phba->slim2p.phys, GFP_KERNEL);
+	if (!phba->slim2p.virt)
+		goto out_iounmap;
+
+	phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
+	phba->mbox_ext = (phba->slim2p.virt +
+		offsetof(struct lpfc_sli2_slim, mbx_ext_words));
+	phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
+	phba->IOCBs = (phba->slim2p.virt +
+		       offsetof(struct lpfc_sli2_slim, IOCBs));
+
+	phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
+						 lpfc_sli_hbq_size(),
+						 &phba->hbqslimp.phys,
+						 GFP_KERNEL);
+	if (!phba->hbqslimp.virt)
+		goto out_free_slim;
+
+	hbq_count = lpfc_sli_hbq_count();
+	ptr = phba->hbqslimp.virt;
+	for (i = 0; i < hbq_count; ++i) {
+		phba->hbqs[i].hbq_virt = ptr;
+		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
+		ptr += (lpfc_hbq_defs[i]->entry_count *
+			sizeof(struct lpfc_hbq_entry));
+	}
+	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
+	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
+
+	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
+
+	INIT_LIST_HEAD(&phba->rb_pend_list);
+
+	phba->MBslimaddr = phba->slim_memmap_p;
+	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
+	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
+	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
+	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
+
+	return 0;
+
+out_free_slim:
+	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
+			  phba->slim2p.virt, phba->slim2p.phys);
+out_iounmap:
+	iounmap(phba->ctrl_regs_memmap_p);
+out_iounmap_slim:
+	iounmap(phba->slim_memmap_p);
+out:
+	return error;
+}
+
+/**
+ * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the PCI device memory space for device
+ * with SLI-3 interface spec.
+ **/
+static void
+lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return;
+	else
+		pdev = phba->pcidev;
+
+	/* Free coherent DMA memory allocated */
+	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
+			  phba->hbqslimp.virt, phba->hbqslimp.phys);
+	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
+			  phba->slim2p.virt, phba->slim2p.phys);
+
+	/* I/O memory unmap */
+	iounmap(phba->ctrl_regs_memmap_p);
+	iounmap(phba->slim_memmap_p);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
+ * done and check status.
+ *
+ * Return 0 if successful, otherwise -ENODEV.
+ **/
+int
+lpfc_sli4_post_status_check(struct lpfc_hba *phba)
+{
+	struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
+	struct lpfc_register reg_data;
+	int i, port_error = 0;
+	uint32_t if_type;
+
+	memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
+	memset(&reg_data, 0, sizeof(reg_data));
+	if (!phba->sli4_hba.PSMPHRregaddr)
+		return -ENODEV;
+
+	/* Wait up to 30 seconds for the SLI Port POST done and ready */
+	for (i = 0; i < 3000; i++) {
+		if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
+			&portsmphr_reg.word0) ||
+			(bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
+			/* Port has a fatal POST error, break out */
+			port_error = -ENODEV;
+			break;
+		}
+		if (LPFC_POST_STAGE_PORT_READY ==
+		    bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
+			break;
+		msleep(10);
+	}
+
+	/*
+	 * If there was a port error during POST, then don't proceed with
+	 * other register reads as the data may not be valid.  Just exit.
+	 */
+	if (port_error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"1408 Port Failed POST - portsmphr=0x%x, "
+			"perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
+			"scr2=x%x, hscratch=x%x, pstatus=x%x\n",
+			portsmphr_reg.word0,
+			bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
+			bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
+	} else {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2534 Device Info: SLIFamily=0x%x, "
+				"SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
+				"SLIHint_2=0x%x, FT=0x%x\n",
+				bf_get(lpfc_sli_intf_sli_family,
+				       &phba->sli4_hba.sli_intf),
+				bf_get(lpfc_sli_intf_slirev,
+				       &phba->sli4_hba.sli_intf),
+				bf_get(lpfc_sli_intf_if_type,
+				       &phba->sli4_hba.sli_intf),
+				bf_get(lpfc_sli_intf_sli_hint1,
+				       &phba->sli4_hba.sli_intf),
+				bf_get(lpfc_sli_intf_sli_hint2,
+				       &phba->sli4_hba.sli_intf),
+				bf_get(lpfc_sli_intf_func_type,
+				       &phba->sli4_hba.sli_intf));
+		/*
+		 * Check for other Port errors during the initialization
+		 * process.  Fail the load if the port did not come up
+		 * correctly.
+		 */
+		if_type = bf_get(lpfc_sli_intf_if_type,
+				 &phba->sli4_hba.sli_intf);
+		switch (if_type) {
+		case LPFC_SLI_INTF_IF_TYPE_0:
+			phba->sli4_hba.ue_mask_lo =
+			      readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
+			phba->sli4_hba.ue_mask_hi =
+			      readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
+			uerrlo_reg.word0 =
+			      readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
+			uerrhi_reg.word0 =
+				readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
+			if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
+			    (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+						"1422 Unrecoverable Error "
+						"Detected during POST "
+						"uerr_lo_reg=0x%x, "
+						"uerr_hi_reg=0x%x, "
+						"ue_mask_lo_reg=0x%x, "
+						"ue_mask_hi_reg=0x%x\n",
+						uerrlo_reg.word0,
+						uerrhi_reg.word0,
+						phba->sli4_hba.ue_mask_lo,
+						phba->sli4_hba.ue_mask_hi);
+				port_error = -ENODEV;
+			}
+			break;
+		case LPFC_SLI_INTF_IF_TYPE_2:
+			/* Final checks.  The port status should be clean. */
+			if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
+				&reg_data.word0) ||
+				(bf_get(lpfc_sliport_status_err, &reg_data) &&
+				 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
+				phba->work_status[0] =
+					readl(phba->sli4_hba.u.if_type2.
+					      ERR1regaddr);
+				phba->work_status[1] =
+					readl(phba->sli4_hba.u.if_type2.
+					      ERR2regaddr);
+				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2888 Unrecoverable port error "
+					"following POST: port status reg "
+					"0x%x, port_smphr reg 0x%x, "
+					"error 1=0x%x, error 2=0x%x\n",
+					reg_data.word0,
+					portsmphr_reg.word0,
+					phba->work_status[0],
+					phba->work_status[1]);
+				port_error = -ENODEV;
+			}
+			break;
+		case LPFC_SLI_INTF_IF_TYPE_1:
+		default:
+			break;
+		}
+	}
+	return port_error;
+}
+
+/**
+ * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ * @if_type:  The SLI4 interface type getting configured.
+ *
+ * This routine is invoked to set up SLI4 BAR0 PCI config space register
+ * memory map.
+ **/
+static void
+lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
+{
+	switch (if_type) {
+	case LPFC_SLI_INTF_IF_TYPE_0:
+		phba->sli4_hba.u.if_type0.UERRLOregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
+		phba->sli4_hba.u.if_type0.UERRHIregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
+		phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
+		phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
+		phba->sli4_hba.SLIINTFregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_2:
+		phba->sli4_hba.u.if_type2.ERR1regaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_CTL_PORT_ER1_OFFSET;
+		phba->sli4_hba.u.if_type2.ERR2regaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_CTL_PORT_ER2_OFFSET;
+		phba->sli4_hba.u.if_type2.CTRLregaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_CTL_PORT_CTL_OFFSET;
+		phba->sli4_hba.u.if_type2.STATUSregaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_CTL_PORT_STA_OFFSET;
+		phba->sli4_hba.SLIINTFregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
+		phba->sli4_hba.PSMPHRregaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_CTL_PORT_SEM_OFFSET;
+		phba->sli4_hba.RQDBregaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_ULP0_RQ_DOORBELL;
+		phba->sli4_hba.WQDBregaddr =
+			phba->sli4_hba.conf_regs_memmap_p +
+						LPFC_ULP0_WQ_DOORBELL;
+		phba->sli4_hba.EQCQDBregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
+		phba->sli4_hba.MQDBregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
+		phba->sli4_hba.BMBXregaddr =
+			phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_1:
+	default:
+		dev_printk(KERN_ERR, &phba->pcidev->dev,
+			   "FATAL - unsupported SLI4 interface type - %d\n",
+			   if_type);
+		break;
+	}
+}
+
+/**
+ * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
+ * memory map.
+ **/
+static void
+lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
+{
+	phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+		LPFC_SLIPORT_IF0_SMPHR;
+	phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+		LPFC_HST_ISR0;
+	phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+		LPFC_HST_IMR0;
+	phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+		LPFC_HST_ISCR0;
+}
+
+/**
+ * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ * @vf: virtual function number
+ *
+ * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
+ * based on the given viftual function number, @vf.
+ *
+ * Return 0 if successful, otherwise -ENODEV.
+ **/
+static int
+lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
+{
+	if (vf > LPFC_VIR_FUNC_MAX)
+		return -ENODEV;
+
+	phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE +
+					LPFC_ULP0_RQ_DOORBELL);
+	phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE +
+					LPFC_ULP0_WQ_DOORBELL);
+	phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
+	phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
+	phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
+	return 0;
+}
+
+/**
+ * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to create the bootstrap mailbox
+ * region consistent with the SLI-4 interface spec.  This
+ * routine allocates all memory necessary to communicate
+ * mailbox commands to the port and sets up all alignment
+ * needs.  No locks are expected to be held when calling
+ * this routine.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	-ENOMEM - could not allocated memory.
+ **/
+static int
+lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
+{
+	uint32_t bmbx_size;
+	struct lpfc_dmabuf *dmabuf;
+	struct dma_address *dma_address;
+	uint32_t pa_addr;
+	uint64_t phys_addr;
+
+	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!dmabuf)
+		return -ENOMEM;
+
+	/*
+	 * The bootstrap mailbox region is comprised of 2 parts
+	 * plus an alignment restriction of 16 bytes.
+	 */
+	bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
+	dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size,
+					   &dmabuf->phys, GFP_KERNEL);
+	if (!dmabuf->virt) {
+		kfree(dmabuf);
+		return -ENOMEM;
+	}
+
+	/*
+	 * Initialize the bootstrap mailbox pointers now so that the register
+	 * operations are simple later.  The mailbox dma address is required
+	 * to be 16-byte aligned.  Also align the virtual memory as each
+	 * maibox is copied into the bmbx mailbox region before issuing the
+	 * command to the port.
+	 */
+	phba->sli4_hba.bmbx.dmabuf = dmabuf;
+	phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
+
+	phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
+					      LPFC_ALIGN_16_BYTE);
+	phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
+					      LPFC_ALIGN_16_BYTE);
+
+	/*
+	 * Set the high and low physical addresses now.  The SLI4 alignment
+	 * requirement is 16 bytes and the mailbox is posted to the port
+	 * as two 30-bit addresses.  The other data is a bit marking whether
+	 * the 30-bit address is the high or low address.
+	 * Upcast bmbx aphys to 64bits so shift instruction compiles
+	 * clean on 32 bit machines.
+	 */
+	dma_address = &phba->sli4_hba.bmbx.dma_address;
+	phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
+	pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
+	dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
+					   LPFC_BMBX_BIT1_ADDR_HI);
+
+	pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
+	dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
+					   LPFC_BMBX_BIT1_ADDR_LO);
+	return 0;
+}
+
+/**
+ * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to teardown the bootstrap mailbox
+ * region and release all host resources. This routine requires
+ * the caller to ensure all mailbox commands recovered, no
+ * additional mailbox comands are sent, and interrupts are disabled
+ * before calling this routine.
+ *
+ **/
+static void
+lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
+{
+	dma_free_coherent(&phba->pcidev->dev,
+			  phba->sli4_hba.bmbx.bmbx_size,
+			  phba->sli4_hba.bmbx.dmabuf->virt,
+			  phba->sli4_hba.bmbx.dmabuf->phys);
+
+	kfree(phba->sli4_hba.bmbx.dmabuf);
+	memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
+}
+
+/**
+ * lpfc_sli4_read_config - Get the config parameters.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to read the configuration parameters from the HBA.
+ * The configuration parameters are used to set the base and maximum values
+ * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
+ * allocation for the port.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	-ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_read_config(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *pmb;
+	struct lpfc_mbx_read_config *rd_config;
+	union  lpfc_sli4_cfg_shdr *shdr;
+	uint32_t shdr_status, shdr_add_status;
+	struct lpfc_mbx_get_func_cfg *get_func_cfg;
+	struct lpfc_rsrc_desc_fcfcoe *desc;
+	char *pdesc_0;
+	int length, i, rc = 0, rc2;
+
+	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2011 Unable to allocate memory for issuing "
+				"SLI_CONFIG_SPECIAL mailbox command\n");
+		return -ENOMEM;
+	}
+
+	lpfc_read_config(phba, pmb);
+
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"2012 Mailbox failed , mbxCmd x%x "
+			"READ_CONFIG, mbxStatus x%x\n",
+			bf_get(lpfc_mqe_command, &pmb->u.mqe),
+			bf_get(lpfc_mqe_status, &pmb->u.mqe));
+		rc = -EIO;
+	} else {
+		rd_config = &pmb->u.mqe.un.rd_config;
+		if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
+			phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
+			phba->sli4_hba.lnk_info.lnk_tp =
+				bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
+			phba->sli4_hba.lnk_info.lnk_no =
+				bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
+			lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+					"3081 lnk_type:%d, lnk_numb:%d\n",
+					phba->sli4_hba.lnk_info.lnk_tp,
+					phba->sli4_hba.lnk_info.lnk_no);
+		} else
+			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+					"3082 Mailbox (x%x) returned ldv:x0\n",
+					bf_get(lpfc_mqe_command, &pmb->u.mqe));
+		phba->sli4_hba.extents_in_use =
+			bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
+		phba->sli4_hba.max_cfg_param.max_xri =
+			bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
+		phba->sli4_hba.max_cfg_param.xri_base =
+			bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_vpi =
+			bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.vpi_base =
+			bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_rpi =
+			bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.rpi_base =
+			bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_vfi =
+			bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.vfi_base =
+			bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_fcfi =
+			bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_eq =
+			bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_rq =
+			bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_wq =
+			bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_cq =
+			bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
+		phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
+		phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
+		phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
+		phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
+		phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
+				(phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
+		phba->max_vports = phba->max_vpi;
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"2003 cfg params Extents? %d "
+				"XRI(B:%d M:%d), "
+				"VPI(B:%d M:%d) "
+				"VFI(B:%d M:%d) "
+				"RPI(B:%d M:%d) "
+				"FCFI(Count:%d)\n",
+				phba->sli4_hba.extents_in_use,
+				phba->sli4_hba.max_cfg_param.xri_base,
+				phba->sli4_hba.max_cfg_param.max_xri,
+				phba->sli4_hba.max_cfg_param.vpi_base,
+				phba->sli4_hba.max_cfg_param.max_vpi,
+				phba->sli4_hba.max_cfg_param.vfi_base,
+				phba->sli4_hba.max_cfg_param.max_vfi,
+				phba->sli4_hba.max_cfg_param.rpi_base,
+				phba->sli4_hba.max_cfg_param.max_rpi,
+				phba->sli4_hba.max_cfg_param.max_fcfi);
+	}
+
+	if (rc)
+		goto read_cfg_out;
+
+	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
+	length = phba->sli4_hba.max_cfg_param.max_xri -
+			lpfc_sli4_get_els_iocb_cnt(phba);
+	if (phba->cfg_hba_queue_depth > length) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"3361 HBA queue depth changed from %d to %d\n",
+				phba->cfg_hba_queue_depth, length);
+		phba->cfg_hba_queue_depth = length;
+	}
+
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    LPFC_SLI_INTF_IF_TYPE_2)
+		goto read_cfg_out;
+
+	/* get the pf# and vf# for SLI4 if_type 2 port */
+	length = (sizeof(struct lpfc_mbx_get_func_cfg) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr));
+	lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
+			 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
+			 length, LPFC_SLI4_MBX_EMBED);
+
+	rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	shdr = (union lpfc_sli4_cfg_shdr *)
+				&pmb->u.mqe.un.sli4_config.header.cfg_shdr;
+	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
+	if (rc2 || shdr_status || shdr_add_status) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3026 Mailbox failed , mbxCmd x%x "
+				"GET_FUNCTION_CONFIG, mbxStatus x%x\n",
+				bf_get(lpfc_mqe_command, &pmb->u.mqe),
+				bf_get(lpfc_mqe_status, &pmb->u.mqe));
+		goto read_cfg_out;
+	}
+
+	/* search for fc_fcoe resrouce descriptor */
+	get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
+
+	pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
+	desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
+	length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
+	if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
+		length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
+	else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
+		goto read_cfg_out;
+
+	for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
+		desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
+		if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
+		    bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
+			phba->sli4_hba.iov.pf_number =
+				bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
+			phba->sli4_hba.iov.vf_number =
+				bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
+			break;
+		}
+	}
+
+	if (i < LPFC_RSRC_DESC_MAX_NUM)
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3027 GET_FUNCTION_CONFIG: pf_number:%d, "
+				"vf_number:%d\n", phba->sli4_hba.iov.pf_number,
+				phba->sli4_hba.iov.vf_number);
+	else
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3028 GET_FUNCTION_CONFIG: failed to find "
+				"Resrouce Descriptor:x%x\n",
+				LPFC_RSRC_DESC_TYPE_FCFCOE);
+
+read_cfg_out:
+	mempool_free(pmb, phba->mbox_mem_pool);
+	return rc;
+}
+
+/**
+ * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to setup the port-side endian order when
+ * the port if_type is 0.  This routine has no function for other
+ * if_types.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	-ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+static int
+lpfc_setup_endian_order(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *mboxq;
+	uint32_t if_type, rc = 0;
+	uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
+				      HOST_ENDIAN_HIGH_WORD1};
+
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+	switch (if_type) {
+	case LPFC_SLI_INTF_IF_TYPE_0:
+		mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+						       GFP_KERNEL);
+		if (!mboxq) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0492 Unable to allocate memory for "
+					"issuing SLI_CONFIG_SPECIAL mailbox "
+					"command\n");
+			return -ENOMEM;
+		}
+
+		/*
+		 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
+		 * two words to contain special data values and no other data.
+		 */
+		memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
+		memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
+		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0493 SLI_CONFIG_SPECIAL mailbox "
+					"failed with status x%x\n",
+					rc);
+			rc = -EIO;
+		}
+		mempool_free(mboxq, phba->mbox_mem_pool);
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_2:
+	case LPFC_SLI_INTF_IF_TYPE_1:
+	default:
+		break;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to check the user settable queue counts for EQs and
+ * CQs. after this routine is called the counts will be set to valid values that
+ * adhere to the constraints of the system's interrupt vectors and the port's
+ * queue resources.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ **/
+static int
+lpfc_sli4_queue_verify(struct lpfc_hba *phba)
+{
+	int cfg_fcp_io_channel;
+	uint32_t cpu;
+	uint32_t i = 0;
+	int fof_vectors = phba->cfg_fof ? 1 : 0;
+
+	/*
+	 * Sanity check for configured queue parameters against the run-time
+	 * device parameters
+	 */
+
+	/* Sanity check on HBA EQ parameters */
+	cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
+
+	/* It doesn't make sense to have more io channels then online CPUs */
+	for_each_present_cpu(cpu) {
+		if (cpu_online(cpu))
+			i++;
+	}
+	phba->sli4_hba.num_online_cpu = i;
+	phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
+	phba->sli4_hba.curr_disp_cpu = 0;
+
+	if (i < cfg_fcp_io_channel) {
+		lpfc_printf_log(phba,
+				KERN_ERR, LOG_INIT,
+				"3188 Reducing IO channels to match number of "
+				"online CPUs: from %d to %d\n",
+				cfg_fcp_io_channel, i);
+		cfg_fcp_io_channel = i;
+	}
+
+	if (cfg_fcp_io_channel + fof_vectors >
+	    phba->sli4_hba.max_cfg_param.max_eq) {
+		if (phba->sli4_hba.max_cfg_param.max_eq <
+		    LPFC_FCP_IO_CHAN_MIN) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2574 Not enough EQs (%d) from the "
+					"pci function for supporting FCP "
+					"EQs (%d)\n",
+					phba->sli4_hba.max_cfg_param.max_eq,
+					phba->cfg_fcp_io_channel);
+			goto out_error;
+		}
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2575 Reducing IO channels to match number of "
+				"available EQs: from %d to %d\n",
+				cfg_fcp_io_channel,
+				phba->sli4_hba.max_cfg_param.max_eq);
+		cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq -
+			fof_vectors;
+	}
+
+	/* The actual number of FCP event queues adopted */
+	phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
+
+	/* Get EQ depth from module parameter, fake the default for now */
+	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
+	phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
+
+	/* Get CQ depth from module parameter, fake the default for now */
+	phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
+	phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
+
+	return 0;
+out_error:
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_queue_create - Create all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
+ * operation. For each SLI4 queue type, the parameters such as queue entry
+ * count (queue depth) shall be taken from the module parameter. For now,
+ * we just use some constant number as place holder.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No availble memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_queue_create(struct lpfc_hba *phba)
+{
+	struct lpfc_queue *qdesc;
+	int idx;
+
+	/*
+	 * Create HBA Record arrays.
+	 */
+	if (!phba->cfg_fcp_io_channel)
+		return -ERANGE;
+
+	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
+	phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
+	phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
+	phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
+	phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
+	phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
+
+	phba->sli4_hba.hba_eq =  kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.hba_eq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2576 Failed allocate memory for "
+			"fast-path EQ record array\n");
+		goto out_error;
+	}
+
+	phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2577 Failed allocate memory for fast-path "
+				"CQ record array\n");
+		goto out_error;
+	}
+
+	phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2578 Failed allocate memory for fast-path "
+				"WQ record array\n");
+		goto out_error;
+	}
+
+	/*
+	 * Since the first EQ can have multiple CQs associated with it,
+	 * this array is used to quickly see if we have a FCP fast-path
+	 * CQ match.
+	 */
+	phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
+					 phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_cq_map) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2545 Failed allocate memory for fast-path "
+				"CQ map\n");
+		goto out_error;
+	}
+
+	/*
+	 * Create HBA Event Queues (EQs).  The cfg_fcp_io_channel specifies
+	 * how many EQs to create.
+	 */
+	for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+
+		/* Create EQs */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
+					      phba->sli4_hba.eq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0497 Failed allocate EQ (%d)\n", idx);
+			goto out_error;
+		}
+		phba->sli4_hba.hba_eq[idx] = qdesc;
+
+		/* Create Fast Path FCP CQs */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+					      phba->sli4_hba.cq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0499 Failed allocate fast-path FCP "
+					"CQ (%d)\n", idx);
+			goto out_error;
+		}
+		phba->sli4_hba.fcp_cq[idx] = qdesc;
+
+		/* Create Fast Path FCP WQs */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+					      phba->sli4_hba.wq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0503 Failed allocate fast-path FCP "
+					"WQ (%d)\n", idx);
+			goto out_error;
+		}
+		phba->sli4_hba.fcp_wq[idx] = qdesc;
+	}
+
+
+	/*
+	 * Create Slow Path Completion Queues (CQs)
+	 */
+
+	/* Create slow-path Mailbox Command Complete Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+				      phba->sli4_hba.cq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0500 Failed allocate slow-path mailbox CQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.mbx_cq = qdesc;
+
+	/* Create slow-path ELS Complete Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+				      phba->sli4_hba.cq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0501 Failed allocate slow-path ELS CQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.els_cq = qdesc;
+
+
+	/*
+	 * Create Slow Path Work Queues (WQs)
+	 */
+
+	/* Create Mailbox Command Queue */
+
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
+				      phba->sli4_hba.mq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0505 Failed allocate slow-path MQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.mbx_wq = qdesc;
+
+	/*
+	 * Create ELS Work Queues
+	 */
+
+	/* Create slow-path ELS Work Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+				      phba->sli4_hba.wq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0504 Failed allocate slow-path ELS WQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.els_wq = qdesc;
+
+	/*
+	 * Create Receive Queue (RQ)
+	 */
+
+	/* Create Receive Queue for header */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
+				      phba->sli4_hba.rq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0506 Failed allocate receive HRQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.hdr_rq = qdesc;
+
+	/* Create Receive Queue for data */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
+				      phba->sli4_hba.rq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0507 Failed allocate receive DRQ\n");
+		goto out_error;
+	}
+	phba->sli4_hba.dat_rq = qdesc;
+
+	/* Create the Queues needed for Flash Optimized Fabric operations */
+	if (phba->cfg_fof)
+		lpfc_fof_queue_create(phba);
+	return 0;
+
+out_error:
+	lpfc_sli4_queue_destroy(phba);
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release all the SLI4 queues with the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+void
+lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
+{
+	int idx;
+
+	if (phba->cfg_fof)
+		lpfc_fof_queue_destroy(phba);
+
+	if (phba->sli4_hba.hba_eq != NULL) {
+		/* Release HBA event queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.hba_eq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.hba_eq[idx]);
+				phba->sli4_hba.hba_eq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.hba_eq);
+		phba->sli4_hba.hba_eq = NULL;
+	}
+
+	if (phba->sli4_hba.fcp_cq != NULL) {
+		/* Release FCP completion queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.fcp_cq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.fcp_cq[idx]);
+				phba->sli4_hba.fcp_cq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.fcp_cq);
+		phba->sli4_hba.fcp_cq = NULL;
+	}
+
+	if (phba->sli4_hba.fcp_wq != NULL) {
+		/* Release FCP work queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.fcp_wq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.fcp_wq[idx]);
+				phba->sli4_hba.fcp_wq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.fcp_wq);
+		phba->sli4_hba.fcp_wq = NULL;
+	}
+
+	/* Release FCP CQ mapping array */
+	if (phba->sli4_hba.fcp_cq_map != NULL) {
+		kfree(phba->sli4_hba.fcp_cq_map);
+		phba->sli4_hba.fcp_cq_map = NULL;
+	}
+
+	/* Release mailbox command work queue */
+	if (phba->sli4_hba.mbx_wq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
+		phba->sli4_hba.mbx_wq = NULL;
+	}
+
+	/* Release ELS work queue */
+	if (phba->sli4_hba.els_wq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
+		phba->sli4_hba.els_wq = NULL;
+	}
+
+	/* Release unsolicited receive queue */
+	if (phba->sli4_hba.hdr_rq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
+		phba->sli4_hba.hdr_rq = NULL;
+	}
+	if (phba->sli4_hba.dat_rq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
+		phba->sli4_hba.dat_rq = NULL;
+	}
+
+	/* Release ELS complete queue */
+	if (phba->sli4_hba.els_cq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
+		phba->sli4_hba.els_cq = NULL;
+	}
+
+	/* Release mailbox command complete queue */
+	if (phba->sli4_hba.mbx_cq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
+		phba->sli4_hba.mbx_cq = NULL;
+	}
+
+	return;
+}
+
+/**
+ * lpfc_sli4_queue_setup - Set up all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_queue_setup(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring *pring;
+	int rc = -ENOMEM;
+	int fcp_eqidx, fcp_cqidx, fcp_wqidx;
+	int fcp_cq_index = 0;
+	uint32_t shdr_status, shdr_add_status;
+	union lpfc_sli4_cfg_shdr *shdr;
+	LPFC_MBOXQ_t *mboxq;
+	uint32_t length;
+
+	/* Check for dual-ULP support */
+	mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3249 Unable to allocate memory for "
+				"QUERY_FW_CFG mailbox command\n");
+		return -ENOMEM;
+	}
+	length = (sizeof(struct lpfc_mbx_query_fw_config) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr));
+	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+			 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
+			 length, LPFC_SLI4_MBX_EMBED);
+
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+
+	shdr = (union lpfc_sli4_cfg_shdr *)
+			&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
+	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
+	if (shdr_status || shdr_add_status || rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3250 QUERY_FW_CFG mailbox failed with status "
+				"x%x add_status x%x, mbx status x%x\n",
+				shdr_status, shdr_add_status, rc);
+		if (rc != MBX_TIMEOUT)
+			mempool_free(mboxq, phba->mbox_mem_pool);
+		rc = -ENXIO;
+		goto out_error;
+	}
+
+	phba->sli4_hba.fw_func_mode =
+			mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
+	phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
+	phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
+			"ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
+			phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
+
+	if (rc != MBX_TIMEOUT)
+		mempool_free(mboxq, phba->mbox_mem_pool);
+
+	/*
+	 * Set up HBA Event Queues (EQs)
+	 */
+
+	/* Set up HBA event queue */
+	if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3147 Fast-path EQs not allocated\n");
+		rc = -ENOMEM;
+		goto out_error;
+	}
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
+		if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0522 Fast-path EQ (%d) not "
+					"allocated\n", fcp_eqidx);
+			rc = -ENOMEM;
+			goto out_destroy_hba_eq;
+		}
+		rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
+			 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0523 Failed setup of fast-path EQ "
+					"(%d), rc = 0x%x\n", fcp_eqidx,
+					(uint32_t)rc);
+			goto out_destroy_hba_eq;
+		}
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2584 HBA EQ setup: "
+				"queue[%d]-id=%d\n", fcp_eqidx,
+				phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
+	}
+
+	/* Set up fast-path FCP Response Complete Queue */
+	if (!phba->sli4_hba.fcp_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3148 Fast-path FCP CQ array not "
+				"allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_hba_eq;
+	}
+
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
+		if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0526 Fast-path FCP CQ (%d) not "
+					"allocated\n", fcp_cqidx);
+			rc = -ENOMEM;
+			goto out_destroy_fcp_cq;
+		}
+		rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
+			phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0527 Failed setup of fast-path FCP "
+					"CQ (%d), rc = 0x%x\n", fcp_cqidx,
+					(uint32_t)rc);
+			goto out_destroy_fcp_cq;
+		}
+
+		/* Setup fcp_cq_map for fast lookup */
+		phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
+				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2588 FCP CQ setup: cq[%d]-id=%d, "
+				"parent seq[%d]-id=%d\n",
+				fcp_cqidx,
+				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
+				fcp_cqidx,
+				phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
+	}
+
+	/* Set up fast-path FCP Work Queue */
+	if (!phba->sli4_hba.fcp_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3149 Fast-path FCP WQ array not "
+				"allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_fcp_cq;
+	}
+
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
+		if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0534 Fast-path FCP WQ (%d) not "
+					"allocated\n", fcp_wqidx);
+			rc = -ENOMEM;
+			goto out_destroy_fcp_wq;
+		}
+		rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
+				    phba->sli4_hba.fcp_cq[fcp_wqidx],
+				    LPFC_FCP);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0535 Failed setup of fast-path FCP "
+					"WQ (%d), rc = 0x%x\n", fcp_wqidx,
+					(uint32_t)rc);
+			goto out_destroy_fcp_wq;
+		}
+
+		/* Bind this WQ to the next FCP ring */
+		pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
+		pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
+		phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2591 FCP WQ setup: wq[%d]-id=%d, "
+				"parent cq[%d]-id=%d\n",
+				fcp_wqidx,
+				phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
+				fcp_cq_index,
+				phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
+	}
+	/*
+	 * Set up Complete Queues (CQs)
+	 */
+
+	/* Set up slow-path MBOX Complete Queue as the first CQ */
+	if (!phba->sli4_hba.mbx_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0528 Mailbox CQ not allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_fcp_wq;
+	}
+	rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
+			phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0529 Failed setup of slow-path mailbox CQ: "
+				"rc = 0x%x\n", (uint32_t)rc);
+		goto out_destroy_fcp_wq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
+			phba->sli4_hba.mbx_cq->queue_id,
+			phba->sli4_hba.hba_eq[0]->queue_id);
+
+	/* Set up slow-path ELS Complete Queue */
+	if (!phba->sli4_hba.els_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0530 ELS CQ not allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_mbx_cq;
+	}
+	rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
+			phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0531 Failed setup of slow-path ELS CQ: "
+				"rc = 0x%x\n", (uint32_t)rc);
+		goto out_destroy_mbx_cq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
+			phba->sli4_hba.els_cq->queue_id,
+			phba->sli4_hba.hba_eq[0]->queue_id);
+
+	/*
+	 * Set up all the Work Queues (WQs)
+	 */
+
+	/* Set up Mailbox Command Queue */
+	if (!phba->sli4_hba.mbx_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0538 Slow-path MQ not allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_els_cq;
+	}
+	rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
+			    phba->sli4_hba.mbx_cq, LPFC_MBOX);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0539 Failed setup of slow-path MQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_els_cq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
+			phba->sli4_hba.mbx_wq->queue_id,
+			phba->sli4_hba.mbx_cq->queue_id);
+
+	/* Set up slow-path ELS Work Queue */
+	if (!phba->sli4_hba.els_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0536 Slow-path ELS WQ not allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_mbx_wq;
+	}
+	rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
+			    phba->sli4_hba.els_cq, LPFC_ELS);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0537 Failed setup of slow-path ELS WQ: "
+				"rc = 0x%x\n", (uint32_t)rc);
+		goto out_destroy_mbx_wq;
+	}
+
+	/* Bind this WQ to the ELS ring */
+	pring = &psli->ring[LPFC_ELS_RING];
+	pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
+	phba->sli4_hba.els_cq->pring = pring;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
+			phba->sli4_hba.els_wq->queue_id,
+			phba->sli4_hba.els_cq->queue_id);
+
+	/*
+	 * Create Receive Queue (RQ)
+	 */
+	if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0540 Receive Queue not allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_els_wq;
+	}
+
+	lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
+	lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
+
+	rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
+			    phba->sli4_hba.els_cq, LPFC_USOL);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0541 Failed setup of Receive Queue: "
+				"rc = 0x%x\n", (uint32_t)rc);
+		goto out_destroy_fcp_wq;
+	}
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
+			"parent cq-id=%d\n",
+			phba->sli4_hba.hdr_rq->queue_id,
+			phba->sli4_hba.dat_rq->queue_id,
+			phba->sli4_hba.els_cq->queue_id);
+
+	if (phba->cfg_fof) {
+		rc = lpfc_fof_queue_setup(phba);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0549 Failed setup of FOF Queues: "
+					"rc = 0x%x\n", rc);
+			goto out_destroy_els_rq;
+		}
+	}
+
+	/*
+	 * Configure EQ delay multipier for interrupt coalescing using
+	 * MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time.
+	 */
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel;
+			fcp_eqidx += LPFC_MAX_EQ_DELAY)
+		lpfc_modify_fcp_eq_delay(phba, fcp_eqidx);
+	return 0;
+
+out_destroy_els_rq:
+	lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
+out_destroy_els_wq:
+	lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
+out_destroy_mbx_wq:
+	lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
+out_destroy_els_cq:
+	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
+out_destroy_mbx_cq:
+	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
+out_destroy_fcp_wq:
+	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
+		lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
+out_destroy_fcp_cq:
+	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
+		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
+out_destroy_hba_eq:
+	for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
+		lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
+out_error:
+	return rc;
+}
+
+/**
+ * lpfc_sli4_queue_unset - Unset all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+void
+lpfc_sli4_queue_unset(struct lpfc_hba *phba)
+{
+	int fcp_qidx;
+
+	/* Unset the queues created for Flash Optimized Fabric operations */
+	if (phba->cfg_fof)
+		lpfc_fof_queue_destroy(phba);
+	/* Unset mailbox command work queue */
+	lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
+	/* Unset ELS work queue */
+	lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
+	/* Unset unsolicited receive queue */
+	lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
+	/* Unset FCP work queue */
+	if (phba->sli4_hba.fcp_wq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
+		     fcp_qidx++)
+			lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
+	}
+	/* Unset mailbox command complete queue */
+	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
+	/* Unset ELS complete queue */
+	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
+	/* Unset FCP response complete queue */
+	if (phba->sli4_hba.fcp_cq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
+		     fcp_qidx++)
+			lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
+	}
+	/* Unset fast-path event queue */
+	if (phba->sli4_hba.hba_eq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
+		     fcp_qidx++)
+			lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
+	}
+}
+
+/**
+ * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate and set up a pool of completion queue
+ * events. The body of the completion queue event is a completion queue entry
+ * CQE. For now, this pool is used for the interrupt service routine to queue
+ * the following HBA completion queue events for the worker thread to process:
+ *   - Mailbox asynchronous events
+ *   - Receive queue completion unsolicited events
+ * Later, this can be used for all the slow-path events.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ **/
+static int
+lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
+	int i;
+
+	for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
+		cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
+		if (!cq_event)
+			goto out_pool_create_fail;
+		list_add_tail(&cq_event->list,
+			      &phba->sli4_hba.sp_cqe_event_pool);
+	}
+	return 0;
+
+out_pool_create_fail:
+	lpfc_sli4_cq_event_pool_destroy(phba);
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the pool of completion queue events at
+ * driver unload time. Note that, it is the responsibility of the driver
+ * cleanup routine to free all the outstanding completion-queue events
+ * allocated from this pool back into the pool before invoking this routine
+ * to destroy the pool.
+ **/
+static void
+lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event, *next_cq_event;
+
+	list_for_each_entry_safe(cq_event, next_cq_event,
+				 &phba->sli4_hba.sp_cqe_event_pool, list) {
+		list_del(&cq_event->list);
+		kfree(cq_event);
+	}
+}
+
+/**
+ * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the lock free version of the API invoked to allocate a
+ * completion-queue event from the free pool.
+ *
+ * Return: Pointer to the newly allocated completion-queue event if successful
+ *         NULL otherwise.
+ **/
+struct lpfc_cq_event *
+__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event = NULL;
+
+	list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
+			 struct lpfc_cq_event, list);
+	return cq_event;
+}
+
+/**
+ * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the lock version of the API invoked to allocate a
+ * completion-queue event from the free pool.
+ *
+ * Return: Pointer to the newly allocated completion-queue event if successful
+ *         NULL otherwise.
+ **/
+struct lpfc_cq_event *
+lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	cq_event = __lpfc_sli4_cq_event_alloc(phba);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+	return cq_event;
+}
+
+/**
+ * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
+ * @phba: pointer to lpfc hba data structure.
+ * @cq_event: pointer to the completion queue event to be freed.
+ *
+ * This routine is the lock free version of the API invoked to release a
+ * completion-queue event back into the free pool.
+ **/
+void
+__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
+			     struct lpfc_cq_event *cq_event)
+{
+	list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
+}
+
+/**
+ * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
+ * @phba: pointer to lpfc hba data structure.
+ * @cq_event: pointer to the completion queue event to be freed.
+ *
+ * This routine is the lock version of the API invoked to release a
+ * completion-queue event back into the free pool.
+ **/
+void
+lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
+			   struct lpfc_cq_event *cq_event)
+{
+	unsigned long iflags;
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	__lpfc_sli4_cq_event_release(phba, cq_event);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+}
+
+/**
+ * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to free all the pending completion-queue events to the
+ * back into the free pool for device reset.
+ **/
+static void
+lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
+{
+	LIST_HEAD(cqelist);
+	struct lpfc_cq_event *cqe;
+	unsigned long iflags;
+
+	/* Retrieve all the pending WCQEs from pending WCQE lists */
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	/* Pending FCP XRI abort events */
+	list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
+			 &cqelist);
+	/* Pending ELS XRI abort events */
+	list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
+			 &cqelist);
+	/* Pending asynnc events */
+	list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
+			 &cqelist);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+
+	while (!list_empty(&cqelist)) {
+		list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
+		lpfc_sli4_cq_event_release(phba, cqe);
+	}
+}
+
+/**
+ * lpfc_pci_function_reset - Reset pci function.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to request a PCI function reset. It will destroys
+ * all resources assigned to the PCI function which originates this request.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_pci_function_reset(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *mboxq;
+	uint32_t rc = 0, if_type;
+	uint32_t shdr_status, shdr_add_status;
+	uint32_t rdy_chk;
+	uint32_t port_reset = 0;
+	union lpfc_sli4_cfg_shdr *shdr;
+	struct lpfc_register reg_data;
+	uint16_t devid;
+
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+	switch (if_type) {
+	case LPFC_SLI_INTF_IF_TYPE_0:
+		mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+						       GFP_KERNEL);
+		if (!mboxq) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0494 Unable to allocate memory for "
+					"issuing SLI_FUNCTION_RESET mailbox "
+					"command\n");
+			return -ENOMEM;
+		}
+
+		/* Setup PCI function reset mailbox-ioctl command */
+		lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+				 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
+				 LPFC_SLI4_MBX_EMBED);
+		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+		shdr = (union lpfc_sli4_cfg_shdr *)
+			&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
+		shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+		shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
+					 &shdr->response);
+		if (rc != MBX_TIMEOUT)
+			mempool_free(mboxq, phba->mbox_mem_pool);
+		if (shdr_status || shdr_add_status || rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0495 SLI_FUNCTION_RESET mailbox "
+					"failed with status x%x add_status x%x,"
+					" mbx status x%x\n",
+					shdr_status, shdr_add_status, rc);
+			rc = -ENXIO;
+		}
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_2:
+wait:
+		/*
+		 * Poll the Port Status Register and wait for RDY for
+		 * up to 30 seconds. If the port doesn't respond, treat
+		 * it as an error.
+		 */
+		for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) {
+			if (lpfc_readl(phba->sli4_hba.u.if_type2.
+				STATUSregaddr, &reg_data.word0)) {
+				rc = -ENODEV;
+				goto out;
+			}
+			if (bf_get(lpfc_sliport_status_rdy, &reg_data))
+				break;
+			msleep(20);
+		}
+
+		if (!bf_get(lpfc_sliport_status_rdy, &reg_data)) {
+			phba->work_status[0] = readl(
+				phba->sli4_hba.u.if_type2.ERR1regaddr);
+			phba->work_status[1] = readl(
+				phba->sli4_hba.u.if_type2.ERR2regaddr);
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2890 Port not ready, port status reg "
+					"0x%x error 1=0x%x, error 2=0x%x\n",
+					reg_data.word0,
+					phba->work_status[0],
+					phba->work_status[1]);
+			rc = -ENODEV;
+			goto out;
+		}
+
+		if (!port_reset) {
+			/*
+			 * Reset the port now
+			 */
+			reg_data.word0 = 0;
+			bf_set(lpfc_sliport_ctrl_end, &reg_data,
+			       LPFC_SLIPORT_LITTLE_ENDIAN);
+			bf_set(lpfc_sliport_ctrl_ip, &reg_data,
+			       LPFC_SLIPORT_INIT_PORT);
+			writel(reg_data.word0, phba->sli4_hba.u.if_type2.
+			       CTRLregaddr);
+			/* flush */
+			pci_read_config_word(phba->pcidev,
+					     PCI_DEVICE_ID, &devid);
+
+			port_reset = 1;
+			msleep(20);
+			goto wait;
+		} else if (bf_get(lpfc_sliport_status_rn, &reg_data)) {
+			rc = -ENODEV;
+			goto out;
+		}
+		break;
+
+	case LPFC_SLI_INTF_IF_TYPE_1:
+	default:
+		break;
+	}
+
+out:
+	/* Catch the not-ready port failure after a port reset. */
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3317 HBA not functional: IP Reset Failed "
+				"try: echo fw_reset > board_mode\n");
+		rc = -ENODEV;
+	}
+
+	return rc;
+}
+
+/**
+ * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the PCI device memory space for device
+ * with SLI-4 interface spec.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+	unsigned long bar0map_len, bar1map_len, bar2map_len;
+	int error = -ENODEV;
+	uint32_t if_type;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return error;
+	else
+		pdev = phba->pcidev;
+
+	/* Set the device DMA mask size */
+	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
+	 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
+		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
+		 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
+			return error;
+		}
+	}
+
+	/*
+	 * The BARs and register set definitions and offset locations are
+	 * dependent on the if_type.
+	 */
+	if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
+				  &phba->sli4_hba.sli_intf.word0)) {
+		return error;
+	}
+
+	/* There is no SLI3 failback for SLI4 devices. */
+	if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
+	    LPFC_SLI_INTF_VALID) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2894 SLI_INTF reg contents invalid "
+				"sli_intf reg 0x%x\n",
+				phba->sli4_hba.sli_intf.word0);
+		return error;
+	}
+
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+	/*
+	 * Get the bus address of SLI4 device Bar regions and the
+	 * number of bytes required by each mapping. The mapping of the
+	 * particular PCI BARs regions is dependent on the type of
+	 * SLI4 device.
+	 */
+	if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
+		phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
+		bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
+
+		/*
+		 * Map SLI4 PCI Config Space Register base to a kernel virtual
+		 * addr
+		 */
+		phba->sli4_hba.conf_regs_memmap_p =
+			ioremap(phba->pci_bar0_map, bar0map_len);
+		if (!phba->sli4_hba.conf_regs_memmap_p) {
+			dev_printk(KERN_ERR, &pdev->dev,
+				   "ioremap failed for SLI4 PCI config "
+				   "registers.\n");
+			goto out;
+		}
+		phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
+		/* Set up BAR0 PCI config space register memory map */
+		lpfc_sli4_bar0_register_memmap(phba, if_type);
+	} else {
+		phba->pci_bar0_map = pci_resource_start(pdev, 1);
+		bar0map_len = pci_resource_len(pdev, 1);
+		if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
+			dev_printk(KERN_ERR, &pdev->dev,
+			   "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
+			goto out;
+		}
+		phba->sli4_hba.conf_regs_memmap_p =
+				ioremap(phba->pci_bar0_map, bar0map_len);
+		if (!phba->sli4_hba.conf_regs_memmap_p) {
+			dev_printk(KERN_ERR, &pdev->dev,
+				"ioremap failed for SLI4 PCI config "
+				"registers.\n");
+				goto out;
+		}
+		lpfc_sli4_bar0_register_memmap(phba, if_type);
+	}
+
+	if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
+	    (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
+		/*
+		 * Map SLI4 if type 0 HBA Control Register base to a kernel
+		 * virtual address and setup the registers.
+		 */
+		phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
+		bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
+		phba->sli4_hba.ctrl_regs_memmap_p =
+				ioremap(phba->pci_bar1_map, bar1map_len);
+		if (!phba->sli4_hba.ctrl_regs_memmap_p) {
+			dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLI4 HBA control registers.\n");
+			goto out_iounmap_conf;
+		}
+		phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
+		lpfc_sli4_bar1_register_memmap(phba);
+	}
+
+	if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
+	    (pci_resource_start(pdev, PCI_64BIT_BAR4))) {
+		/*
+		 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
+		 * virtual address and setup the registers.
+		 */
+		phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
+		bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
+		phba->sli4_hba.drbl_regs_memmap_p =
+				ioremap(phba->pci_bar2_map, bar2map_len);
+		if (!phba->sli4_hba.drbl_regs_memmap_p) {
+			dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLI4 HBA doorbell registers.\n");
+			goto out_iounmap_ctrl;
+		}
+		phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
+		error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
+		if (error)
+			goto out_iounmap_all;
+	}
+
+	return 0;
+
+out_iounmap_all:
+	iounmap(phba->sli4_hba.drbl_regs_memmap_p);
+out_iounmap_ctrl:
+	iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
+out_iounmap_conf:
+	iounmap(phba->sli4_hba.conf_regs_memmap_p);
+out:
+	return error;
+}
+
+/**
+ * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the PCI device memory space for device
+ * with SLI-4 interface spec.
+ **/
+static void
+lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
+{
+	uint32_t if_type;
+	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
+
+	switch (if_type) {
+	case LPFC_SLI_INTF_IF_TYPE_0:
+		iounmap(phba->sli4_hba.drbl_regs_memmap_p);
+		iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
+		iounmap(phba->sli4_hba.conf_regs_memmap_p);
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_2:
+		iounmap(phba->sli4_hba.conf_regs_memmap_p);
+		break;
+	case LPFC_SLI_INTF_IF_TYPE_1:
+	default:
+		dev_printk(KERN_ERR, &phba->pcidev->dev,
+			   "FATAL - unsupported SLI4 interface type - %d\n",
+			   if_type);
+		break;
+	}
+}
+
+/**
+ * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI-X interrupt vectors to device
+ * with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
+ * is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
+ * once invoked, enables either all or nothing, depending on the current
+ * availability of PCI vector resources. The device driver is responsible
+ * for calling the individual request_irq() to register each MSI-X vector
+ * with a interrupt handler, which is done in this function. Note that
+ * later when device is unloading, the driver should always call free_irq()
+ * on all MSI-X vectors it has done request_irq() on before calling
+ * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
+ * will be left with MSI-X enabled and leaks its vectors.
+ *
+ * Return codes
+ *   0 - successful
+ *   other values - error
+ **/
+static int
+lpfc_sli_enable_msix(struct lpfc_hba *phba)
+{
+	int rc, i;
+	LPFC_MBOXQ_t *pmb;
+
+	/* Set up MSI-X multi-message vectors */
+	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+		phba->msix_entries[i].entry = i;
+
+	/* Configure MSI-X capability structure */
+	rc = pci_enable_msix_exact(phba->pcidev, phba->msix_entries,
+				   LPFC_MSIX_VECTORS);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0420 PCI enable MSI-X failed (%d)\n", rc);
+		goto vec_fail_out;
+	}
+	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0477 MSI-X entry[%d]: vector=x%x "
+				"message=%d\n", i,
+				phba->msix_entries[i].vector,
+				phba->msix_entries[i].entry);
+	/*
+	 * Assign MSI-X vectors to interrupt handlers
+	 */
+
+	/* vector-0 is associated to slow-path handler */
+	rc = request_irq(phba->msix_entries[0].vector,
+			 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
+			 LPFC_SP_DRIVER_HANDLER_NAME, phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0421 MSI-X slow-path request_irq failed "
+				"(%d)\n", rc);
+		goto msi_fail_out;
+	}
+
+	/* vector-1 is associated to fast-path handler */
+	rc = request_irq(phba->msix_entries[1].vector,
+			 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
+			 LPFC_FP_DRIVER_HANDLER_NAME, phba);
+
+	if (rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0429 MSI-X fast-path request_irq failed "
+				"(%d)\n", rc);
+		goto irq_fail_out;
+	}
+
+	/*
+	 * Configure HBA MSI-X attention conditions to messages
+	 */
+	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+	if (!pmb) {
+		rc = -ENOMEM;
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0474 Unable to allocate memory for issuing "
+				"MBOX_CONFIG_MSI command\n");
+		goto mem_fail_out;
+	}
+	rc = lpfc_config_msi(phba, pmb);
+	if (rc)
+		goto mbx_fail_out;
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+				"0351 Config MSI mailbox command failed, "
+				"mbxCmd x%x, mbxStatus x%x\n",
+				pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
+		goto mbx_fail_out;
+	}
+
+	/* Free memory allocated for mailbox command */
+	mempool_free(pmb, phba->mbox_mem_pool);
+	return rc;
+
+mbx_fail_out:
+	/* Free memory allocated for mailbox command */
+	mempool_free(pmb, phba->mbox_mem_pool);
+
+mem_fail_out:
+	/* free the irq already requested */
+	free_irq(phba->msix_entries[1].vector, phba);
+
+irq_fail_out:
+	/* free the irq already requested */
+	free_irq(phba->msix_entries[0].vector, phba);
+
+msi_fail_out:
+	/* Unconfigure MSI-X capability structure */
+	pci_disable_msix(phba->pcidev);
+
+vec_fail_out:
+	return rc;
+}
+
+/**
+ * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release the MSI-X vectors and then disable the
+ * MSI-X interrupt mode to device with SLI-3 interface spec.
+ **/
+static void
+lpfc_sli_disable_msix(struct lpfc_hba *phba)
+{
+	int i;
+
+	/* Free up MSI-X multi-message vectors */
+	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+		free_irq(phba->msix_entries[i].vector, phba);
+	/* Disable MSI-X */
+	pci_disable_msix(phba->pcidev);
+
+	return;
+}
+
+/**
+ * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI interrupt mode to device with
+ * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
+ * enable the MSI vector. The device driver is responsible for calling the
+ * request_irq() to register MSI vector with a interrupt the handler, which
+ * is done in this function.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ */
+static int
+lpfc_sli_enable_msi(struct lpfc_hba *phba)
+{
+	int rc;
+
+	rc = pci_enable_msi(phba->pcidev);
+	if (!rc)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0462 PCI enable MSI mode success.\n");
+	else {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0471 PCI enable MSI mode failed (%d)\n", rc);
+		return rc;
+	}
+
+	rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
+			 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+	if (rc) {
+		pci_disable_msi(phba->pcidev);
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0478 MSI request_irq failed (%d)\n", rc);
+	}
+	return rc;
+}
+
+/**
+ * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable the MSI interrupt mode to device with
+ * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
+ * done request_irq() on before calling pci_disable_msi(). Failure to do so
+ * results in a BUG_ON() and a device will be left with MSI enabled and leaks
+ * its vector.
+ */
+static void
+lpfc_sli_disable_msi(struct lpfc_hba *phba)
+{
+	free_irq(phba->pcidev->irq, phba);
+	pci_disable_msi(phba->pcidev);
+	return;
+}
+
+/**
+ * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable device interrupt and associate driver's
+ * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
+ * spec. Depends on the interrupt mode configured to the driver, the driver
+ * will try to fallback from the configured interrupt mode to an interrupt
+ * mode which is supported by the platform, kernel, and device in the order
+ * of:
+ * MSI-X -> MSI -> IRQ.
+ *
+ * Return codes
+ *   0 - successful
+ *   other values - error
+ **/
+static uint32_t
+lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
+{
+	uint32_t intr_mode = LPFC_INTR_ERROR;
+	int retval;
+
+	if (cfg_mode == 2) {
+		/* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
+		retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
+		if (!retval) {
+			/* Now, try to enable MSI-X interrupt mode */
+			retval = lpfc_sli_enable_msix(phba);
+			if (!retval) {
+				/* Indicate initialization to MSI-X mode */
+				phba->intr_type = MSIX;
+				intr_mode = 2;
+			}
+		}
+	}
+
+	/* Fallback to MSI if MSI-X initialization failed */
+	if (cfg_mode >= 1 && phba->intr_type == NONE) {
+		retval = lpfc_sli_enable_msi(phba);
+		if (!retval) {
+			/* Indicate initialization to MSI mode */
+			phba->intr_type = MSI;
+			intr_mode = 1;
+		}
+	}
+
+	/* Fallback to INTx if both MSI-X/MSI initalization failed */
+	if (phba->intr_type == NONE) {
+		retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
+				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+		if (!retval) {
+			/* Indicate initialization to INTx mode */
+			phba->intr_type = INTx;
+			intr_mode = 0;
+		}
+	}
+	return intr_mode;
+}
+
+/**
+ * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable device interrupt and disassociate the
+ * driver's interrupt handler(s) from interrupt vector(s) to device with
+ * SLI-3 interface spec. Depending on the interrupt mode, the driver will
+ * release the interrupt vector(s) for the message signaled interrupt.
+ **/
+static void
+lpfc_sli_disable_intr(struct lpfc_hba *phba)
+{
+	/* Disable the currently initialized interrupt mode */
+	if (phba->intr_type == MSIX)
+		lpfc_sli_disable_msix(phba);
+	else if (phba->intr_type == MSI)
+		lpfc_sli_disable_msi(phba);
+	else if (phba->intr_type == INTx)
+		free_irq(phba->pcidev->irq, phba);
+
+	/* Reset interrupt management states */
+	phba->intr_type = NONE;
+	phba->sli.slistat.sli_intr = 0;
+
+	return;
+}
+
+/**
+ * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * Find next available CPU to use for IRQ to CPU affinity.
+ */
+static int
+lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
+{
+	struct lpfc_vector_map_info *cpup;
+	int cpu;
+
+	cpup = phba->sli4_hba.cpu_map;
+	for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
+		/* CPU must be online */
+		if (cpu_online(cpu)) {
+			if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
+			    (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
+			    (cpup->phys_id == phys_id)) {
+				return cpu;
+			}
+		}
+		cpup++;
+	}
+
+	/*
+	 * If we get here, we have used ALL CPUs for the specific
+	 * phys_id. Now we need to clear out lpfc_used_cpu and start
+	 * reusing CPUs.
+	 */
+
+	for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
+		if (lpfc_used_cpu[cpu] == phys_id)
+			lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
+	}
+
+	cpup = phba->sli4_hba.cpu_map;
+	for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
+		/* CPU must be online */
+		if (cpu_online(cpu)) {
+			if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
+			    (cpup->phys_id == phys_id)) {
+				return cpu;
+			}
+		}
+		cpup++;
+	}
+	return LPFC_VECTOR_MAP_EMPTY;
+}
+
+/**
+ * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
+ * @phba:	pointer to lpfc hba data structure.
+ * @vectors:	number of HBA vectors
+ *
+ * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
+ * affinization across multple physical CPUs (numa nodes).
+ * In addition, this routine will assign an IO channel for each CPU
+ * to use when issuing I/Os.
+ */
+static int
+lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
+{
+	int i, idx, saved_chann, used_chann, cpu, phys_id;
+	int max_phys_id, min_phys_id;
+	int num_io_channel, first_cpu, chan;
+	struct lpfc_vector_map_info *cpup;
+#ifdef CONFIG_X86
+	struct cpuinfo_x86 *cpuinfo;
+#endif
+	struct cpumask *mask;
+	uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
+
+	/* If there is no mapping, just return */
+	if (!phba->cfg_fcp_cpu_map)
+		return 1;
+
+	/* Init cpu_map array */
+	memset(phba->sli4_hba.cpu_map, 0xff,
+	       (sizeof(struct lpfc_vector_map_info) *
+		phba->sli4_hba.num_present_cpu));
+
+	max_phys_id = 0;
+	min_phys_id = 0xff;
+	phys_id = 0;
+	num_io_channel = 0;
+	first_cpu = LPFC_VECTOR_MAP_EMPTY;
+
+	/* Update CPU map with physical id and core id of each CPU */
+	cpup = phba->sli4_hba.cpu_map;
+	for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
+#ifdef CONFIG_X86
+		cpuinfo = &cpu_data(cpu);
+		cpup->phys_id = cpuinfo->phys_proc_id;
+		cpup->core_id = cpuinfo->cpu_core_id;
+#else
+		/* No distinction between CPUs for other platforms */
+		cpup->phys_id = 0;
+		cpup->core_id = 0;
+#endif
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"3328 CPU physid %d coreid %d\n",
+				cpup->phys_id, cpup->core_id);
+
+		if (cpup->phys_id > max_phys_id)
+			max_phys_id = cpup->phys_id;
+		if (cpup->phys_id < min_phys_id)
+			min_phys_id = cpup->phys_id;
+		cpup++;
+	}
+
+	phys_id = min_phys_id;
+	/* Now associate the HBA vectors with specific CPUs */
+	for (idx = 0; idx < vectors; idx++) {
+		cpup = phba->sli4_hba.cpu_map;
+		cpu = lpfc_find_next_cpu(phba, phys_id);
+		if (cpu == LPFC_VECTOR_MAP_EMPTY) {
+
+			/* Try for all phys_id's */
+			for (i = 1; i < max_phys_id; i++) {
+				phys_id++;
+				if (phys_id > max_phys_id)
+					phys_id = min_phys_id;
+				cpu = lpfc_find_next_cpu(phba, phys_id);
+				if (cpu == LPFC_VECTOR_MAP_EMPTY)
+					continue;
+				goto found;
+			}
+
+			/* Use round robin for scheduling */
+			phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_ROUND_ROBIN;
+			chan = 0;
+			cpup = phba->sli4_hba.cpu_map;
+			for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+				cpup->channel_id = chan;
+				cpup++;
+				chan++;
+				if (chan >= phba->cfg_fcp_io_channel)
+					chan = 0;
+			}
+
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"3329 Cannot set affinity:"
+					"Error mapping vector %d (%d)\n",
+					idx, vectors);
+			return 0;
+		}
+found:
+		cpup += cpu;
+		if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
+			lpfc_used_cpu[cpu] = phys_id;
+
+		/* Associate vector with selected CPU */
+		cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
+
+		/* Associate IO channel with selected CPU */
+		cpup->channel_id = idx;
+		num_io_channel++;
+
+		if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
+			first_cpu = cpu;
+
+		/* Now affinitize to the selected CPU */
+		mask = &cpup->maskbits;
+		cpumask_clear(mask);
+		cpumask_set_cpu(cpu, mask);
+		i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
+					  vector, mask);
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"3330 Set Affinity: CPU %d channel %d "
+				"irq %d (%x)\n",
+				cpu, cpup->channel_id,
+				phba->sli4_hba.msix_entries[idx].vector, i);
+
+		/* Spread vector mapping across multple physical CPU nodes */
+		phys_id++;
+		if (phys_id > max_phys_id)
+			phys_id = min_phys_id;
+	}
+
+	/*
+	 * Finally fill in the IO channel for any remaining CPUs.
+	 * At this point, all IO channels have been assigned to a specific
+	 * MSIx vector, mapped to a specific CPU.
+	 * Base the remaining IO channel assigned, to IO channels already
+	 * assigned to other CPUs on the same phys_id.
+	 */
+	for (i = min_phys_id; i <= max_phys_id; i++) {
+		/*
+		 * If there are no io channels already mapped to
+		 * this phys_id, just round robin thru the io_channels.
+		 * Setup chann[] for round robin.
+		 */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
+			chann[idx] = idx;
+
+		saved_chann = 0;
+		used_chann = 0;
+
+		/*
+		 * First build a list of IO channels already assigned
+		 * to this phys_id before reassigning the same IO
+		 * channels to the remaining CPUs.
+		 */
+		cpup = phba->sli4_hba.cpu_map;
+		cpu = first_cpu;
+		cpup += cpu;
+		for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
+		     idx++) {
+			if (cpup->phys_id == i) {
+				/*
+				 * Save any IO channels that are
+				 * already mapped to this phys_id.
+				 */
+				if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
+					chann[saved_chann] =
+						cpup->channel_id;
+					saved_chann++;
+					goto out;
+				}
+
+				/* See if we are using round-robin */
+				if (saved_chann == 0)
+					saved_chann =
+						phba->cfg_fcp_io_channel;
+
+				/* Associate next IO channel with CPU */
+				cpup->channel_id = chann[used_chann];
+				num_io_channel++;
+				used_chann++;
+				if (used_chann == saved_chann)
+					used_chann = 0;
+
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+						"3331 Set IO_CHANN "
+						"CPU %d channel %d\n",
+						idx, cpup->channel_id);
+			}
+out:
+			cpu++;
+			if (cpu >= phba->sli4_hba.num_present_cpu) {
+				cpup = phba->sli4_hba.cpu_map;
+				cpu = 0;
+			} else {
+				cpup++;
+			}
+		}
+	}
+
+	if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
+		cpup = phba->sli4_hba.cpu_map;
+		for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
+			if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
+				cpup->channel_id = 0;
+				num_io_channel++;
+
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+						"3332 Assign IO_CHANN "
+						"CPU %d channel %d\n",
+						idx, cpup->channel_id);
+			}
+			cpup++;
+		}
+	}
+
+	/* Sanity check */
+	if (num_io_channel != phba->sli4_hba.num_present_cpu)
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3333 Set affinity mismatch:"
+				"%d chann != %d cpus: %d vectors\n",
+				num_io_channel, phba->sli4_hba.num_present_cpu,
+				vectors);
+
+	/* Enable using cpu affinity for scheduling */
+	phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
+	return 1;
+}
+
+
+/**
+ * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI-X interrupt vectors to device
+ * with SLI-4 interface spec. The kernel function pci_enable_msix_range()
+ * is called to enable the MSI-X vectors. The device driver is responsible
+ * for calling the individual request_irq() to register each MSI-X vector
+ * with a interrupt handler, which is done in this function. Note that
+ * later when device is unloading, the driver should always call free_irq()
+ * on all MSI-X vectors it has done request_irq() on before calling
+ * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
+ * will be left with MSI-X enabled and leaks its vectors.
+ *
+ * Return codes
+ * 0 - successful
+ * other values - error
+ **/
+static int
+lpfc_sli4_enable_msix(struct lpfc_hba *phba)
+{
+	int vectors, rc, index;
+
+	/* Set up MSI-X multi-message vectors */
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++)
+		phba->sli4_hba.msix_entries[index].entry = index;
+
+	/* Configure MSI-X capability structure */
+	vectors = phba->cfg_fcp_io_channel;
+	if (phba->cfg_fof) {
+		phba->sli4_hba.msix_entries[index].entry = index;
+		vectors++;
+	}
+	rc = pci_enable_msix_range(phba->pcidev, phba->sli4_hba.msix_entries,
+				   2, vectors);
+	if (rc < 0) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0484 PCI enable MSI-X failed (%d)\n", rc);
+		goto vec_fail_out;
+	}
+	vectors = rc;
+
+	/* Log MSI-X vector assignment */
+	for (index = 0; index < vectors; index++)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0489 MSI-X entry[%d]: vector=x%x "
+				"message=%d\n", index,
+				phba->sli4_hba.msix_entries[index].vector,
+				phba->sli4_hba.msix_entries[index].entry);
+
+	/* Assign MSI-X vectors to interrupt handlers */
+	for (index = 0; index < vectors; index++) {
+		memset(&phba->sli4_hba.handler_name[index], 0, 16);
+		snprintf((char *)&phba->sli4_hba.handler_name[index],
+			 LPFC_SLI4_HANDLER_NAME_SZ,
+			 LPFC_DRIVER_HANDLER_NAME"%d", index);
+
+		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+		atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
+		if (phba->cfg_fof && (index == (vectors - 1)))
+			rc = request_irq(
+				phba->sli4_hba.msix_entries[index].vector,
+				 &lpfc_sli4_fof_intr_handler, IRQF_SHARED,
+				 (char *)&phba->sli4_hba.handler_name[index],
+				 &phba->sli4_hba.fcp_eq_hdl[index]);
+		else
+			rc = request_irq(
+				phba->sli4_hba.msix_entries[index].vector,
+				 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
+				 (char *)&phba->sli4_hba.handler_name[index],
+				 &phba->sli4_hba.fcp_eq_hdl[index]);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"0486 MSI-X fast-path (%d) "
+					"request_irq failed (%d)\n", index, rc);
+			goto cfg_fail_out;
+		}
+	}
+
+	if (phba->cfg_fof)
+		vectors--;
+
+	if (vectors != phba->cfg_fcp_io_channel) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3238 Reducing IO channels to match number of "
+				"MSI-X vectors, requested %d got %d\n",
+				phba->cfg_fcp_io_channel, vectors);
+		phba->cfg_fcp_io_channel = vectors;
+	}
+
+	lpfc_sli4_set_affinity(phba, vectors);
+	return rc;
+
+cfg_fail_out:
+	/* free the irq already requested */
+	for (--index; index >= 0; index--) {
+		irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
+					  vector, NULL);
+		free_irq(phba->sli4_hba.msix_entries[index].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index]);
+	}
+
+	/* Unconfigure MSI-X capability structure */
+	pci_disable_msix(phba->pcidev);
+
+vec_fail_out:
+	return rc;
+}
+
+/**
+ * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release the MSI-X vectors and then disable the
+ * MSI-X interrupt mode to device with SLI-4 interface spec.
+ **/
+static void
+lpfc_sli4_disable_msix(struct lpfc_hba *phba)
+{
+	int index;
+
+	/* Free up MSI-X multi-message vectors */
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
+		irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
+					  vector, NULL);
+		free_irq(phba->sli4_hba.msix_entries[index].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index]);
+	}
+	if (phba->cfg_fof) {
+		free_irq(phba->sli4_hba.msix_entries[index].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index]);
+	}
+	/* Disable MSI-X */
+	pci_disable_msix(phba->pcidev);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI interrupt mode to device with
+ * SLI-4 interface spec. The kernel function pci_enable_msi() is called
+ * to enable the MSI vector. The device driver is responsible for calling
+ * the request_irq() to register MSI vector with a interrupt the handler,
+ * which is done in this function.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_enable_msi(struct lpfc_hba *phba)
+{
+	int rc, index;
+
+	rc = pci_enable_msi(phba->pcidev);
+	if (!rc)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0487 PCI enable MSI mode success.\n");
+	else {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0488 PCI enable MSI mode failed (%d)\n", rc);
+		return rc;
+	}
+
+	rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
+			 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+	if (rc) {
+		pci_disable_msi(phba->pcidev);
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0490 MSI request_irq failed (%d)\n", rc);
+		return rc;
+	}
+
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
+		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+	}
+
+	if (phba->cfg_fof) {
+		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+	}
+	return 0;
+}
+
+/**
+ * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable the MSI interrupt mode to device with
+ * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
+ * done request_irq() on before calling pci_disable_msi(). Failure to do so
+ * results in a BUG_ON() and a device will be left with MSI enabled and leaks
+ * its vector.
+ **/
+static void
+lpfc_sli4_disable_msi(struct lpfc_hba *phba)
+{
+	free_irq(phba->pcidev->irq, phba);
+	pci_disable_msi(phba->pcidev);
+	return;
+}
+
+/**
+ * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable device interrupt and associate driver's
+ * interrupt handler(s) to interrupt vector(s) to device with SLI-4
+ * interface spec. Depends on the interrupt mode configured to the driver,
+ * the driver will try to fallback from the configured interrupt mode to an
+ * interrupt mode which is supported by the platform, kernel, and device in
+ * the order of:
+ * MSI-X -> MSI -> IRQ.
+ *
+ * Return codes
+ * 	0 - successful
+ * 	other values - error
+ **/
+static uint32_t
+lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
+{
+	uint32_t intr_mode = LPFC_INTR_ERROR;
+	int retval, index;
+
+	if (cfg_mode == 2) {
+		/* Preparation before conf_msi mbox cmd */
+		retval = 0;
+		if (!retval) {
+			/* Now, try to enable MSI-X interrupt mode */
+			retval = lpfc_sli4_enable_msix(phba);
+			if (!retval) {
+				/* Indicate initialization to MSI-X mode */
+				phba->intr_type = MSIX;
+				intr_mode = 2;
+			}
+		}
+	}
+
+	/* Fallback to MSI if MSI-X initialization failed */
+	if (cfg_mode >= 1 && phba->intr_type == NONE) {
+		retval = lpfc_sli4_enable_msi(phba);
+		if (!retval) {
+			/* Indicate initialization to MSI mode */
+			phba->intr_type = MSI;
+			intr_mode = 1;
+		}
+	}
+
+	/* Fallback to INTx if both MSI-X/MSI initalization failed */
+	if (phba->intr_type == NONE) {
+		retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
+				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+		if (!retval) {
+			/* Indicate initialization to INTx mode */
+			phba->intr_type = INTx;
+			intr_mode = 0;
+			for (index = 0; index < phba->cfg_fcp_io_channel;
+			     index++) {
+				phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+				phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+				atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
+					fcp_eq_in_use, 1);
+			}
+			if (phba->cfg_fof) {
+				phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+				phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+				atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
+					fcp_eq_in_use, 1);
+			}
+		}
+	}
+	return intr_mode;
+}
+
+/**
+ * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable device interrupt and disassociate
+ * the driver's interrupt handler(s) from interrupt vector(s) to device
+ * with SLI-4 interface spec. Depending on the interrupt mode, the driver
+ * will release the interrupt vector(s) for the message signaled interrupt.
+ **/
+static void
+lpfc_sli4_disable_intr(struct lpfc_hba *phba)
+{
+	/* Disable the currently initialized interrupt mode */
+	if (phba->intr_type == MSIX)
+		lpfc_sli4_disable_msix(phba);
+	else if (phba->intr_type == MSI)
+		lpfc_sli4_disable_msi(phba);
+	else if (phba->intr_type == INTx)
+		free_irq(phba->pcidev->irq, phba);
+
+	/* Reset interrupt management states */
+	phba->intr_type = NONE;
+	phba->sli.slistat.sli_intr = 0;
+
+	return;
+}
+
+/**
+ * lpfc_unset_hba - Unset SLI3 hba device initialization
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the HBA device initialization steps to
+ * a device with SLI-3 interface spec.
+ **/
+static void
+lpfc_unset_hba(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
+
+	spin_lock_irq(shost->host_lock);
+	vport->load_flag |= FC_UNLOADING;
+	spin_unlock_irq(shost->host_lock);
+
+	kfree(phba->vpi_bmask);
+	kfree(phba->vpi_ids);
+
+	lpfc_stop_hba_timers(phba);
+
+	phba->pport->work_port_events = 0;
+
+	lpfc_sli_hba_down(phba);
+
+	lpfc_sli_brdrestart(phba);
+
+	lpfc_sli_disable_intr(phba);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called in the SLI4 code path to wait for completion
+ * of device's XRIs exchange busy. It will check the XRI exchange busy
+ * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
+ * that, it will check the XRI exchange busy on outstanding FCP and ELS
+ * I/Os every 30 seconds, log error message, and wait forever. Only when
+ * all XRI exchange busy complete, the driver unload shall proceed with
+ * invoking the function reset ioctl mailbox command to the CNA and the
+ * the rest of the driver unload resource release.
+ **/
+static void
+lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
+{
+	int wait_time = 0;
+	int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+	int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+
+	while (!fcp_xri_cmpl || !els_xri_cmpl) {
+		if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
+			if (!fcp_xri_cmpl)
+				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+						"2877 FCP XRI exchange busy "
+						"wait time: %d seconds.\n",
+						wait_time/1000);
+			if (!els_xri_cmpl)
+				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+						"2878 ELS XRI exchange busy "
+						"wait time: %d seconds.\n",
+						wait_time/1000);
+			msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
+			wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
+		} else {
+			msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
+			wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
+		}
+		fcp_xri_cmpl =
+			list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+		els_xri_cmpl =
+			list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+	}
+}
+
+/**
+ * lpfc_sli4_hba_unset - Unset the fcoe hba
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called in the SLI4 code path to reset the HBA's FCoE
+ * function. The caller is not required to hold any lock. This routine
+ * issues PCI function reset mailbox command to reset the FCoE function.
+ * At the end of the function, it calls lpfc_hba_down_post function to
+ * free any pending commands.
+ **/
+static void
+lpfc_sli4_hba_unset(struct lpfc_hba *phba)
+{
+	int wait_cnt = 0;
+	LPFC_MBOXQ_t *mboxq;
+	struct pci_dev *pdev = phba->pcidev;
+
+	lpfc_stop_hba_timers(phba);
+	phba->sli4_hba.intr_enable = 0;
+
+	/*
+	 * Gracefully wait out the potential current outstanding asynchronous
+	 * mailbox command.
+	 */
+
+	/* First, block any pending async mailbox command from posted */
+	spin_lock_irq(&phba->hbalock);
+	phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
+	spin_unlock_irq(&phba->hbalock);
+	/* Now, trying to wait it out if we can */
+	while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
+		msleep(10);
+		if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
+			break;
+	}
+	/* Forcefully release the outstanding mailbox command if timed out */
+	if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
+		spin_lock_irq(&phba->hbalock);
+		mboxq = phba->sli.mbox_active;
+		mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
+		__lpfc_mbox_cmpl_put(phba, mboxq);
+		phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+		phba->sli.mbox_active = NULL;
+		spin_unlock_irq(&phba->hbalock);
+	}
+
+	/* Abort all iocbs associated with the hba */
+	lpfc_sli_hba_iocb_abort(phba);
+
+	/* Wait for completion of device XRI exchange busy */
+	lpfc_sli4_xri_exchange_busy_wait(phba);
+
+	/* Disable PCI subsystem interrupt */
+	lpfc_sli4_disable_intr(phba);
+
+	/* Disable SR-IOV if enabled */
+	if (phba->cfg_sriov_nr_virtfn)
+		pci_disable_sriov(pdev);
+
+	/* Stop kthread signal shall trigger work_done one more time */
+	kthread_stop(phba->worker_thread);
+
+	/* Reset SLI4 HBA FCoE function */
+	lpfc_pci_function_reset(phba);
+	lpfc_sli4_queue_destroy(phba);
+
+	/* Stop the SLI4 device port */
+	phba->pport->work_port_events = 0;
+}
+
+ /**
+ * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
+ * @phba: Pointer to HBA context object.
+ * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
+ *
+ * This function is called in the SLI4 code path to read the port's
+ * sli4 capabilities.
+ *
+ * This function may be be called from any context that can block-wait
+ * for the completion.  The expectation is that this routine is called
+ * typically from probe_one or from the online routine.
+ **/
+int
+lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	int rc;
+	struct lpfc_mqe *mqe;
+	struct lpfc_pc_sli4_params *sli4_params;
+	uint32_t mbox_tmo;
+
+	rc = 0;
+	mqe = &mboxq->u.mqe;
+
+	/* Read the port's SLI4 Parameters port capabilities */
+	lpfc_pc_sli4_params(mboxq);
+	if (!phba->sli4_hba.intr_enable)
+		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	else {
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
+		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+	}
+
+	if (unlikely(rc))
+		return 1;
+
+	sli4_params = &phba->sli4_hba.pc_sli4_params;
+	sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
+	sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
+	sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
+	sli4_params->featurelevel_1 = bf_get(featurelevel_1,
+					     &mqe->un.sli4_params);
+	sli4_params->featurelevel_2 = bf_get(featurelevel_2,
+					     &mqe->un.sli4_params);
+	sli4_params->proto_types = mqe->un.sli4_params.word3;
+	sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
+	sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
+	sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
+	sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
+	sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
+	sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
+	sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
+	sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
+	sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
+	sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
+	sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
+	sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
+	sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
+	sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
+	sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
+	sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
+	sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
+	sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
+	sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
+	sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
+
+	/* Make sure that sge_supp_len can be handled by the driver */
+	if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
+		sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
+
+	return rc;
+}
+
+/**
+ * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
+ * @phba: Pointer to HBA context object.
+ * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
+ *
+ * This function is called in the SLI4 code path to read the port's
+ * sli4 capabilities.
+ *
+ * This function may be be called from any context that can block-wait
+ * for the completion.  The expectation is that this routine is called
+ * typically from probe_one or from the online routine.
+ **/
+int
+lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	int rc;
+	struct lpfc_mqe *mqe = &mboxq->u.mqe;
+	struct lpfc_pc_sli4_params *sli4_params;
+	uint32_t mbox_tmo;
+	int length;
+	struct lpfc_sli4_parameters *mbx_sli4_parameters;
+
+	/*
+	 * By default, the driver assumes the SLI4 port requires RPI
+	 * header postings.  The SLI4_PARAM response will correct this
+	 * assumption.
+	 */
+	phba->sli4_hba.rpi_hdrs_in_use = 1;
+
+	/* Read the port's SLI4 Config Parameters */
+	length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr));
+	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+			 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
+			 length, LPFC_SLI4_MBX_EMBED);
+	if (!phba->sli4_hba.intr_enable)
+		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	else {
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
+		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+	}
+	if (unlikely(rc))
+		return rc;
+	sli4_params = &phba->sli4_hba.pc_sli4_params;
+	mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
+	sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
+	sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
+	sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
+	sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
+					     mbx_sli4_parameters);
+	sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
+					     mbx_sli4_parameters);
+	if (bf_get(cfg_phwq, mbx_sli4_parameters))
+		phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
+	else
+		phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
+	sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
+	sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
+	sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
+	sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
+	sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
+	sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
+	sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
+	sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
+	sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
+					    mbx_sli4_parameters);
+	sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
+					   mbx_sli4_parameters);
+	phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
+	phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
+
+	/* Make sure that sge_supp_len can be handled by the driver */
+	if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
+		sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
+
+	return 0;
+}
+
+/**
+ * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
+ * @pdev: pointer to PCI device
+ * @pid: pointer to PCI device identifier
+ *
+ * This routine is to be called to attach a device with SLI-3 interface spec
+ * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
+ * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
+ * information of the device and driver to see if the driver state that it can
+ * support this kind of device. If the match is successful, the driver core
+ * invokes this routine. If this routine determines it can claim the HBA, it
+ * does all the initialization that it needs to do to handle the HBA properly.
+ *
+ * Return code
+ * 	0 - driver can claim the device
+ * 	negative value - driver can not claim the device
+ **/
+static int
+lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
+{
+	struct lpfc_hba   *phba;
+	struct lpfc_vport *vport = NULL;
+	struct Scsi_Host  *shost = NULL;
+	int error;
+	uint32_t cfg_mode, intr_mode;
+
+	/* Allocate memory for HBA structure */
+	phba = lpfc_hba_alloc(pdev);
+	if (!phba)
+		return -ENOMEM;
+
+	/* Perform generic PCI device enabling operation */
+	error = lpfc_enable_pci_dev(phba);
+	if (error)
+		goto out_free_phba;
+
+	/* Set up SLI API function jump table for PCI-device group-0 HBAs */
+	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
+	if (error)
+		goto out_disable_pci_dev;
+
+	/* Set up SLI-3 specific device PCI memory space */
+	error = lpfc_sli_pci_mem_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1402 Failed to set up pci memory space.\n");
+		goto out_disable_pci_dev;
+	}
+
+	/* Set up phase-1 common device driver resources */
+	error = lpfc_setup_driver_resource_phase1(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1403 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s3;
+	}
+
+	/* Set up SLI-3 specific device driver resources */
+	error = lpfc_sli_driver_resource_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1404 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s3;
+	}
+
+	/* Initialize and populate the iocb list per host */
+	error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1405 Failed to initialize iocb list.\n");
+		goto out_unset_driver_resource_s3;
+	}
+
+	/* Set up common device driver resources */
+	error = lpfc_setup_driver_resource_phase2(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1406 Failed to set up driver resource.\n");
+		goto out_free_iocb_list;
+	}
+
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
+	/* Create SCSI host to the physical port */
+	error = lpfc_create_shost(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1407 Failed to create scsi host.\n");
+		goto out_unset_driver_resource;
+	}
+
+	/* Configure sysfs attributes */
+	vport = phba->pport;
+	error = lpfc_alloc_sysfs_attr(vport);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1476 Failed to allocate sysfs attr\n");
+		goto out_destroy_shost;
+	}
+
+	shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
+	/* Now, trying to enable interrupt and bring up the device */
+	cfg_mode = phba->cfg_use_msi;
+	while (true) {
+		/* Put device to a known state before enabling interrupt */
+		lpfc_stop_port(phba);
+		/* Configure and enable interrupt */
+		intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
+		if (intr_mode == LPFC_INTR_ERROR) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0431 Failed to enable interrupt.\n");
+			error = -ENODEV;
+			goto out_free_sysfs_attr;
+		}
+		/* SLI-3 HBA setup */
+		if (lpfc_sli_hba_setup(phba)) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"1477 Failed to set up hba\n");
+			error = -ENODEV;
+			goto out_remove_device;
+		}
+
+		/* Wait 50ms for the interrupts of previous mailbox commands */
+		msleep(50);
+		/* Check active interrupts on message signaled interrupts */
+		if (intr_mode == 0 ||
+		    phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
+			/* Log the current active interrupt mode */
+			phba->intr_mode = intr_mode;
+			lpfc_log_intr_mode(phba, intr_mode);
+			break;
+		} else {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0447 Configure interrupt mode (%d) "
+					"failed active interrupt test.\n",
+					intr_mode);
+			/* Disable the current interrupt mode */
+			lpfc_sli_disable_intr(phba);
+			/* Try next level of interrupt mode */
+			cfg_mode = --intr_mode;
+		}
+	}
+
+	/* Perform post initialization setup */
+	lpfc_post_init_setup(phba);
+
+	/* Check if there are static vports to be created. */
+	lpfc_create_static_vport(phba);
+
+	return 0;
+
+out_remove_device:
+	lpfc_unset_hba(phba);
+out_free_sysfs_attr:
+	lpfc_free_sysfs_attr(vport);
+out_destroy_shost:
+	lpfc_destroy_shost(phba);
+out_unset_driver_resource:
+	lpfc_unset_driver_resource_phase2(phba);
+out_free_iocb_list:
+	lpfc_free_iocb_list(phba);
+out_unset_driver_resource_s3:
+	lpfc_sli_driver_resource_unset(phba);
+out_unset_pci_mem_s3:
+	lpfc_sli_pci_mem_unset(phba);
+out_disable_pci_dev:
+	lpfc_disable_pci_dev(phba);
+	if (shost)
+		scsi_host_put(shost);
+out_free_phba:
+	lpfc_hba_free(phba);
+	return error;
+}
+
+/**
+ * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
+ * @pdev: pointer to PCI device
+ *
+ * This routine is to be called to disattach a device with SLI-3 interface
+ * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
+ * removed from PCI bus, it performs all the necessary cleanup for the HBA
+ * device to be removed from the PCI subsystem properly.
+ **/
+static void
+lpfc_pci_remove_one_s3(struct pci_dev *pdev)
+{
+	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_vport **vports;
+	struct lpfc_hba   *phba = vport->phba;
+	int i;
+	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
+
+	spin_lock_irq(&phba->hbalock);
+	vport->load_flag |= FC_UNLOADING;
+	spin_unlock_irq(&phba->hbalock);
+
+	lpfc_free_sysfs_attr(vport);
+
+	/* Release all the vports against this physical port */
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
+				continue;
+			fc_vport_terminate(vports[i]->fc_vport);
+		}
+	lpfc_destroy_vport_work_array(phba, vports);
+
+	/* Remove FC host and then SCSI host with the physical port */
+	fc_remove_host(shost);
+	scsi_remove_host(shost);
+	lpfc_cleanup(vport);
+
+	/*
+	 * Bring down the SLI Layer. This step disable all interrupts,
+	 * clears the rings, discards all mailbox commands, and resets
+	 * the HBA.
+	 */
+
+	/* HBA interrupt will be disabled after this call */
+	lpfc_sli_hba_down(phba);
+	/* Stop kthread signal shall trigger work_done one more time */
+	kthread_stop(phba->worker_thread);
+	/* Final cleanup of txcmplq and reset the HBA */
+	lpfc_sli_brdrestart(phba);
+
+	kfree(phba->vpi_bmask);
+	kfree(phba->vpi_ids);
+
+	lpfc_stop_hba_timers(phba);
+	spin_lock_irq(&phba->hbalock);
+	list_del_init(&vport->listentry);
+	spin_unlock_irq(&phba->hbalock);
+
+	lpfc_debugfs_terminate(vport);
+
+	/* Disable SR-IOV if enabled */
+	if (phba->cfg_sriov_nr_virtfn)
+		pci_disable_sriov(pdev);
+
+	/* Disable interrupt */
+	lpfc_sli_disable_intr(phba);
+
+	scsi_host_put(shost);
+
+	/*
+	 * Call scsi_free before mem_free since scsi bufs are released to their
+	 * corresponding pools here.
+	 */
+	lpfc_scsi_free(phba);
+	lpfc_mem_free_all(phba);
+
+	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
+			  phba->hbqslimp.virt, phba->hbqslimp.phys);
+
+	/* Free resources associated with SLI2 interface */
+	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
+			  phba->slim2p.virt, phba->slim2p.phys);
+
+	/* unmap adapter SLIM and Control Registers */
+	iounmap(phba->ctrl_regs_memmap_p);
+	iounmap(phba->slim_memmap_p);
+
+	lpfc_hba_free(phba);
+
+	pci_release_selected_regions(pdev, bars);
+	pci_disable_device(pdev);
+}
+
+/**
+ * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
+ * @pdev: pointer to PCI device
+ * @msg: power management message
+ *
+ * This routine is to be called from the kernel's PCI subsystem to support
+ * system Power Management (PM) to device with SLI-3 interface spec. When
+ * PM invokes this method, it quiesces the device by stopping the driver's
+ * worker thread for the device, turning off device's interrupt and DMA,
+ * and bring the device offline. Note that as the driver implements the
+ * minimum PM requirements to a power-aware driver's PM support for the
+ * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
+ * to the suspend() method call will be treated as SUSPEND and the driver will
+ * fully reinitialize its device during resume() method call, the driver will
+ * set device to PCI_D3hot state in PCI config space instead of setting it
+ * according to the @msg provided by the PM.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0473 PCI device Power Management suspend.\n");
+
+	/* Bring down the device */
+	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+	lpfc_offline(phba);
+	kthread_stop(phba->worker_thread);
+
+	/* Disable interrupt from device */
+	lpfc_sli_disable_intr(phba);
+
+	/* Save device state to PCI config space */
+	pci_save_state(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
+
+	return 0;
+}
+
+/**
+ * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
+ * @pdev: pointer to PCI device
+ *
+ * This routine is to be called from the kernel's PCI subsystem to support
+ * system Power Management (PM) to device with SLI-3 interface spec. When PM
+ * invokes this method, it restores the device's PCI config space state and
+ * fully reinitializes the device and brings it online. Note that as the
+ * driver implements the minimum PM requirements to a power-aware driver's
+ * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
+ * FREEZE) to the suspend() method call will be treated as SUSPEND and the
+ * driver will fully reinitialize its device during resume() method call,
+ * the device will be set to PCI_D0 directly in PCI config space before
+ * restoring the state.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_resume_one_s3(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	uint32_t intr_mode;
+	int error;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0452 PCI device Power Management resume.\n");
+
+	/* Restore device state from PCI config space */
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	/*
+	 * As the new kernel behavior of pci_restore_state() API call clears
+	 * device saved_state flag, need to save the restored state again.
+	 */
+	pci_save_state(pdev);
+
+	if (pdev->is_busmaster)
+		pci_set_master(pdev);
+
+	/* Startup the kernel thread for this host adapter. */
+	phba->worker_thread = kthread_run(lpfc_do_work, phba,
+					"lpfc_worker_%d", phba->brd_no);
+	if (IS_ERR(phba->worker_thread)) {
+		error = PTR_ERR(phba->worker_thread);
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0434 PM resume failed to start worker "
+				"thread: error=x%x.\n", error);
+		return error;
+	}
+
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0430 PM resume Failed to enable interrupt\n");
+		return -EIO;
+	} else
+		phba->intr_mode = intr_mode;
+
+	/* Restart HBA and bring it online */
+	lpfc_sli_brdrestart(phba);
+	lpfc_online(phba);
+
+	/* Log the current active interrupt mode */
+	lpfc_log_intr_mode(phba, phba->intr_mode);
+
+	return 0;
+}
+
+/**
+ * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI3 device for PCI slot recover. It
+ * aborts all the outstanding SCSI I/Os to the pci device.
+ **/
+static void
+lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2723 PCI channel I/O abort preparing for recovery\n");
+
+	/*
+	 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
+	 * and let the SCSI mid-layer to retry them to recover.
+	 */
+	lpfc_sli_abort_fcp_rings(phba);
+}
+
+/**
+ * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI3 device for PCI slot reset. It
+ * disables the device interrupt and pci device, and aborts the internal FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2710 PCI channel disable preparing for reset\n");
+
+	/* Block any management I/Os to the device */
+	lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
+
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
+	lpfc_sli_flush_fcp_rings(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
+	/* Disable interrupt and pci device */
+	lpfc_sli_disable_intr(phba);
+	pci_disable_device(phba->pcidev);
+}
+
+/**
+ * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI3 device for PCI slot permanently
+ * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2711 PCI channel permanent disable for failure\n");
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
+	/* Clean up all driver's outstanding SCSI I/Os */
+	lpfc_sli_flush_fcp_rings(phba);
+}
+
+/**
+ * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
+ * @pdev: pointer to PCI device.
+ * @state: the current PCI connection state.
+ *
+ * This routine is called from the PCI subsystem for I/O error handling to
+ * device with SLI-3 interface spec. This function is called by the PCI
+ * subsystem after a PCI bus error affecting this device has been detected.
+ * When this function is invoked, it will need to stop all the I/Os and
+ * interrupt(s) to the device. Once that is done, it will return
+ * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
+ * as desired.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
+ * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
+static pci_ers_result_t
+lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	switch (state) {
+	case pci_channel_io_normal:
+		/* Non-fatal error, prepare for recovery */
+		lpfc_sli_prep_dev_for_recover(phba);
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	case pci_channel_io_frozen:
+		/* Fatal error, prepare for slot reset */
+		lpfc_sli_prep_dev_for_reset(phba);
+		return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+		/* Permanent failure, prepare for device down */
+		lpfc_sli_prep_dev_for_perm_failure(phba);
+		return PCI_ERS_RESULT_DISCONNECT;
+	default:
+		/* Unknown state, prepare and request slot reset */
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0472 Unknown PCI error state: x%x\n", state);
+		lpfc_sli_prep_dev_for_reset(phba);
+		return PCI_ERS_RESULT_NEED_RESET;
+	}
+}
+
+/**
+ * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
+ * @pdev: pointer to PCI device.
+ *
+ * This routine is called from the PCI subsystem for error handling to
+ * device with SLI-3 interface spec. This is called after PCI bus has been
+ * reset to restart the PCI card from scratch, as if from a cold-boot.
+ * During the PCI subsystem error recovery, after driver returns
+ * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
+ * recovery and then call this routine before calling the .resume method
+ * to recover the device. This function will initialize the HBA device,
+ * enable the interrupt, but it will just put the HBA to offline state
+ * without passing any I/O traffic.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ */
+static pci_ers_result_t
+lpfc_io_slot_reset_s3(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	struct lpfc_sli *psli = &phba->sli;
+	uint32_t intr_mode;
+
+	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
+	if (pci_enable_device_mem(pdev)) {
+		printk(KERN_ERR "lpfc: Cannot re-enable "
+			"PCI device after reset.\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	pci_restore_state(pdev);
+
+	/*
+	 * As the new kernel behavior of pci_restore_state() API call clears
+	 * device saved_state flag, need to save the restored state again.
+	 */
+	pci_save_state(pdev);
+
+	if (pdev->is_busmaster)
+		pci_set_master(pdev);
+
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0427 Cannot re-enable interrupt after "
+				"slot reset.\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	} else
+		phba->intr_mode = intr_mode;
+
+	/* Take device offline, it will perform cleanup */
+	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+	lpfc_offline(phba);
+	lpfc_sli_brdrestart(phba);
+
+	/* Log the current active interrupt mode */
+	lpfc_log_intr_mode(phba, phba->intr_mode);
+
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-3 interface spec. It is called when kernel error recovery tells
+ * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
+ * error recovery. After this call, traffic can start to flow from this device
+ * again.
+ */
+static void
+lpfc_io_resume_s3(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	/* Bring device online, it will be no-op for non-fatal error resume */
+	lpfc_online(phba);
+
+	/* Clean up Advanced Error Reporting (AER) if needed */
+	if (phba->hba_flag & HBA_AER_ENABLED)
+		pci_cleanup_aer_uncorrect_error_status(pdev);
+}
+
+/**
+ * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * returns the number of ELS/CT IOCBs to reserve
+ **/
+int
+lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
+{
+	int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		if (max_xri <= 100)
+			return 10;
+		else if (max_xri <= 256)
+			return 25;
+		else if (max_xri <= 512)
+			return 50;
+		else if (max_xri <= 1024)
+			return 100;
+		else if (max_xri <= 1536)
+			return 150;
+		else if (max_xri <= 2048)
+			return 200;
+		else
+			return 250;
+	} else
+		return 0;
+}
+
+/**
+ * lpfc_write_firmware - attempt to write a firmware image to the port
+ * @fw: pointer to firmware image returned from request_firmware.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ **/
+static void
+lpfc_write_firmware(const struct firmware *fw, void *context)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba *)context;
+	char fwrev[FW_REV_STR_SIZE];
+	struct lpfc_grp_hdr *image;
+	struct list_head dma_buffer_list;
+	int i, rc = 0;
+	struct lpfc_dmabuf *dmabuf, *next;
+	uint32_t offset = 0, temp_offset = 0;
+
+	/* It can be null in no-wait mode, sanity check */
+	if (!fw) {
+		rc = -ENXIO;
+		goto out;
+	}
+	image = (struct lpfc_grp_hdr *)fw->data;
+
+	INIT_LIST_HEAD(&dma_buffer_list);
+	if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
+	    (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
+	     LPFC_FILE_TYPE_GROUP) ||
+	    (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
+	    (be32_to_cpu(image->size) != fw->size)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3022 Invalid FW image found. "
+				"Magic:%x Type:%x ID:%x\n",
+				be32_to_cpu(image->magic_number),
+				bf_get_be32(lpfc_grp_hdr_file_type, image),
+				bf_get_be32(lpfc_grp_hdr_id, image));
+		rc = -EINVAL;
+		goto release_out;
+	}
+	lpfc_decode_firmware_rev(phba, fwrev, 1);
+	if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3023 Updating Firmware, Current Version:%s "
+				"New Version:%s\n",
+				fwrev, image->revision);
+		for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
+			dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
+					 GFP_KERNEL);
+			if (!dmabuf) {
+				rc = -ENOMEM;
+				goto release_out;
+			}
+			dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
+							  SLI4_PAGE_SIZE,
+							  &dmabuf->phys,
+							  GFP_KERNEL);
+			if (!dmabuf->virt) {
+				kfree(dmabuf);
+				rc = -ENOMEM;
+				goto release_out;
+			}
+			list_add_tail(&dmabuf->list, &dma_buffer_list);
+		}
+		while (offset < fw->size) {
+			temp_offset = offset;
+			list_for_each_entry(dmabuf, &dma_buffer_list, list) {
+				if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
+					memcpy(dmabuf->virt,
+					       fw->data + temp_offset,
+					       fw->size - temp_offset);
+					temp_offset = fw->size;
+					break;
+				}
+				memcpy(dmabuf->virt, fw->data + temp_offset,
+				       SLI4_PAGE_SIZE);
+				temp_offset += SLI4_PAGE_SIZE;
+			}
+			rc = lpfc_wr_object(phba, &dma_buffer_list,
+				    (fw->size - offset), &offset);
+			if (rc)
+				goto release_out;
+		}
+		rc = offset;
+	}
+
+release_out:
+	list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
+		list_del(&dmabuf->list);
+		dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
+				  dmabuf->virt, dmabuf->phys);
+		kfree(dmabuf);
+	}
+	release_firmware(fw);
+out:
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"3024 Firmware update done: %d.\n", rc);
+	return;
+}
+
+/**
+ * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to perform Linux generic firmware upgrade on device
+ * that supports such feature.
+ **/
+int
+lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
+{
+	uint8_t file_name[ELX_MODEL_NAME_SIZE];
+	int ret;
+	const struct firmware *fw;
+
+	/* Only supported on SLI4 interface type 2 for now */
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    LPFC_SLI_INTF_IF_TYPE_2)
+		return -EPERM;
+
+	snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
+
+	if (fw_upgrade == INT_FW_UPGRADE) {
+		ret = reject_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+					file_name, &phba->pcidev->dev,
+					GFP_KERNEL, (void *)phba,
+					lpfc_write_firmware);
+	} else if (fw_upgrade == RUN_FW_UPGRADE) {
+		ret = reject_firmware(&fw, file_name, &phba->pcidev->dev);
+		if (!ret)
+			lpfc_write_firmware(fw, (void *)phba);
+	} else {
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+/**
+ * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
+ * @pdev: pointer to PCI device
+ * @pid: pointer to PCI device identifier
+ *
+ * This routine is called from the kernel's PCI subsystem to device with
+ * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
+ * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
+ * information of the device and driver to see if the driver state that it
+ * can support this kind of device. If the match is successful, the driver
+ * core invokes this routine. If this routine determines it can claim the HBA,
+ * it does all the initialization that it needs to do to handle the HBA
+ * properly.
+ *
+ * Return code
+ * 	0 - driver can claim the device
+ * 	negative value - driver can not claim the device
+ **/
+static int
+lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
+{
+	struct lpfc_hba   *phba;
+	struct lpfc_vport *vport = NULL;
+	struct Scsi_Host  *shost = NULL;
+	int error, ret;
+	uint32_t cfg_mode, intr_mode;
+	int adjusted_fcp_io_channel;
+
+	/* Allocate memory for HBA structure */
+	phba = lpfc_hba_alloc(pdev);
+	if (!phba)
+		return -ENOMEM;
+
+	/* Perform generic PCI device enabling operation */
+	error = lpfc_enable_pci_dev(phba);
+	if (error)
+		goto out_free_phba;
+
+	/* Set up SLI API function jump table for PCI-device group-1 HBAs */
+	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
+	if (error)
+		goto out_disable_pci_dev;
+
+	/* Set up SLI-4 specific device PCI memory space */
+	error = lpfc_sli4_pci_mem_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1410 Failed to set up pci memory space.\n");
+		goto out_disable_pci_dev;
+	}
+
+	/* Set up phase-1 common device driver resources */
+	error = lpfc_setup_driver_resource_phase1(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1411 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s4;
+	}
+
+	/* Set up SLI-4 Specific device driver resources */
+	error = lpfc_sli4_driver_resource_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1412 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s4;
+	}
+
+	/* Initialize and populate the iocb list per host */
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2821 initialize iocb list %d.\n",
+			phba->cfg_iocb_cnt*1024);
+	error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
+
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1413 Failed to initialize iocb list.\n");
+		goto out_unset_driver_resource_s4;
+	}
+
+	INIT_LIST_HEAD(&phba->active_rrq_list);
+	INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
+
+	/* Set up common device driver resources */
+	error = lpfc_setup_driver_resource_phase2(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1414 Failed to set up driver resource.\n");
+		goto out_free_iocb_list;
+	}
+
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
+	/* Create SCSI host to the physical port */
+	error = lpfc_create_shost(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1415 Failed to create scsi host.\n");
+		goto out_unset_driver_resource;
+	}
+
+	/* Configure sysfs attributes */
+	vport = phba->pport;
+	error = lpfc_alloc_sysfs_attr(vport);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1416 Failed to allocate sysfs attr\n");
+		goto out_destroy_shost;
+	}
+
+	shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
+	/* Now, trying to enable interrupt and bring up the device */
+	cfg_mode = phba->cfg_use_msi;
+
+	/* Put device to a known state before enabling interrupt */
+	lpfc_stop_port(phba);
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0426 Failed to enable interrupt.\n");
+		error = -ENODEV;
+		goto out_free_sysfs_attr;
+	}
+	/* Default to single EQ for non-MSI-X */
+	if (phba->intr_type != MSIX)
+		adjusted_fcp_io_channel = 1;
+	else
+		adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
+	phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
+	/* Set up SLI-4 HBA */
+	if (lpfc_sli4_hba_setup(phba)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1421 Failed to set up hba\n");
+		error = -ENODEV;
+		goto out_disable_intr;
+	}
+
+	/* Log the current active interrupt mode */
+	phba->intr_mode = intr_mode;
+	lpfc_log_intr_mode(phba, intr_mode);
+
+	/* Perform post initialization setup */
+	lpfc_post_init_setup(phba);
+
+	/* check for firmware upgrade or downgrade */
+	if (phba->cfg_request_firmware_upgrade)
+		ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
+
+	/* Check if there are static vports to be created. */
+	lpfc_create_static_vport(phba);
+	return 0;
+
+out_disable_intr:
+	lpfc_sli4_disable_intr(phba);
+out_free_sysfs_attr:
+	lpfc_free_sysfs_attr(vport);
+out_destroy_shost:
+	lpfc_destroy_shost(phba);
+out_unset_driver_resource:
+	lpfc_unset_driver_resource_phase2(phba);
+out_free_iocb_list:
+	lpfc_free_iocb_list(phba);
+out_unset_driver_resource_s4:
+	lpfc_sli4_driver_resource_unset(phba);
+out_unset_pci_mem_s4:
+	lpfc_sli4_pci_mem_unset(phba);
+out_disable_pci_dev:
+	lpfc_disable_pci_dev(phba);
+	if (shost)
+		scsi_host_put(shost);
+out_free_phba:
+	lpfc_hba_free(phba);
+	return error;
+}
+
+/**
+ * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the kernel's PCI subsystem to device with
+ * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
+ * removed from PCI bus, it performs all the necessary cleanup for the HBA
+ * device to be removed from the PCI subsystem properly.
+ **/
+static void
+lpfc_pci_remove_one_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_vport **vports;
+	struct lpfc_hba *phba = vport->phba;
+	int i;
+
+	/* Mark the device unloading flag */
+	spin_lock_irq(&phba->hbalock);
+	vport->load_flag |= FC_UNLOADING;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Free the HBA sysfs attributes */
+	lpfc_free_sysfs_attr(vport);
+
+	/* Release all the vports against this physical port */
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
+				continue;
+			fc_vport_terminate(vports[i]->fc_vport);
+		}
+	lpfc_destroy_vport_work_array(phba, vports);
+
+	/* Remove FC host and then SCSI host with the physical port */
+	fc_remove_host(shost);
+	scsi_remove_host(shost);
+
+	/* Perform cleanup on the physical port */
+	lpfc_cleanup(vport);
+
+	/*
+	 * Bring down the SLI Layer. This step disables all interrupts,
+	 * clears the rings, discards all mailbox commands, and resets
+	 * the HBA FCoE function.
+	 */
+	lpfc_debugfs_terminate(vport);
+	lpfc_sli4_hba_unset(phba);
+
+	spin_lock_irq(&phba->hbalock);
+	list_del_init(&vport->listentry);
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Perform scsi free before driver resource_unset since scsi
+	 * buffers are released to their corresponding pools here.
+	 */
+	lpfc_scsi_free(phba);
+
+	lpfc_sli4_driver_resource_unset(phba);
+
+	/* Unmap adapter Control and Doorbell registers */
+	lpfc_sli4_pci_mem_unset(phba);
+
+	/* Release PCI resources and disable device's PCI function */
+	scsi_host_put(shost);
+	lpfc_disable_pci_dev(phba);
+
+	/* Finally, free the driver's device data structure */
+	lpfc_hba_free(phba);
+
+	return;
+}
+
+/**
+ * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
+ * @pdev: pointer to PCI device
+ * @msg: power management message
+ *
+ * This routine is called from the kernel's PCI subsystem to support system
+ * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
+ * this method, it quiesces the device by stopping the driver's worker
+ * thread for the device, turning off device's interrupt and DMA, and bring
+ * the device offline. Note that as the driver implements the minimum PM
+ * requirements to a power-aware driver's PM support for suspend/resume -- all
+ * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
+ * method call will be treated as SUSPEND and the driver will fully
+ * reinitialize its device during resume() method call, the driver will set
+ * device to PCI_D3hot state in PCI config space instead of setting it
+ * according to the @msg provided by the PM.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2843 PCI device Power Management suspend.\n");
+
+	/* Bring down the device */
+	lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+	lpfc_offline(phba);
+	kthread_stop(phba->worker_thread);
+
+	/* Disable interrupt from device */
+	lpfc_sli4_disable_intr(phba);
+	lpfc_sli4_queue_destroy(phba);
+
+	/* Save device state to PCI config space */
+	pci_save_state(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
+
+	return 0;
+}
+
+/**
+ * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the kernel's PCI subsystem to support system
+ * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
+ * this method, it restores the device's PCI config space state and fully
+ * reinitializes the device and brings it online. Note that as the driver
+ * implements the minimum PM requirements to a power-aware driver's PM for
+ * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
+ * to the suspend() method call will be treated as SUSPEND and the driver
+ * will fully reinitialize its device during resume() method call, the device
+ * will be set to PCI_D0 directly in PCI config space before restoring the
+ * state.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_resume_one_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	uint32_t intr_mode;
+	int error;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0292 PCI device Power Management resume.\n");
+
+	/* Restore device state from PCI config space */
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	/*
+	 * As the new kernel behavior of pci_restore_state() API call clears
+	 * device saved_state flag, need to save the restored state again.
+	 */
+	pci_save_state(pdev);
+
+	if (pdev->is_busmaster)
+		pci_set_master(pdev);
+
+	 /* Startup the kernel thread for this host adapter. */
+	phba->worker_thread = kthread_run(lpfc_do_work, phba,
+					"lpfc_worker_%d", phba->brd_no);
+	if (IS_ERR(phba->worker_thread)) {
+		error = PTR_ERR(phba->worker_thread);
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0293 PM resume failed to start worker "
+				"thread: error=x%x.\n", error);
+		return error;
+	}
+
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0294 PM resume Failed to enable interrupt\n");
+		return -EIO;
+	} else
+		phba->intr_mode = intr_mode;
+
+	/* Restart HBA and bring it online */
+	lpfc_sli_brdrestart(phba);
+	lpfc_online(phba);
+
+	/* Log the current active interrupt mode */
+	lpfc_log_intr_mode(phba, phba->intr_mode);
+
+	return 0;
+}
+
+/**
+ * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot recover. It
+ * aborts all the outstanding SCSI I/Os to the pci device.
+ **/
+static void
+lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2828 PCI channel I/O abort preparing for recovery\n");
+	/*
+	 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
+	 * and let the SCSI mid-layer to retry them to recover.
+	 */
+	lpfc_sli_abort_fcp_rings(phba);
+}
+
+/**
+ * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot reset. It
+ * disables the device interrupt and pci device, and aborts the internal FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2826 PCI channel disable preparing for reset\n");
+
+	/* Block any management I/Os to the device */
+	lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
+
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
+	lpfc_sli_flush_fcp_rings(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
+	/* Disable interrupt and pci device */
+	lpfc_sli4_disable_intr(phba);
+	lpfc_sli4_queue_destroy(phba);
+	pci_disable_device(phba->pcidev);
+}
+
+/**
+ * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to prepare the SLI4 device for PCI slot permanently
+ * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
+ * pending I/Os.
+ **/
+static void
+lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
+{
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2827 PCI channel permanent disable for failure\n");
+
+	/* Block all SCSI devices' I/Os on the host */
+	lpfc_scsi_dev_block(phba);
+
+	/* stop all timers */
+	lpfc_stop_hba_timers(phba);
+
+	/* Clean up all driver's outstanding SCSI I/Os */
+	lpfc_sli_flush_fcp_rings(phba);
+}
+
+/**
+ * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
+ * @pdev: pointer to PCI device.
+ * @state: the current PCI connection state.
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. This function is called by the PCI subsystem
+ * after a PCI bus error affecting this device has been detected. When this
+ * function is invoked, it will need to stop all the I/Os and interrupt(s)
+ * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
+ * for the PCI subsystem to perform proper recovery as desired.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
+static pci_ers_result_t
+lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	switch (state) {
+	case pci_channel_io_normal:
+		/* Non-fatal error, prepare for recovery */
+		lpfc_sli4_prep_dev_for_recover(phba);
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	case pci_channel_io_frozen:
+		/* Fatal error, prepare for slot reset */
+		lpfc_sli4_prep_dev_for_reset(phba);
+		return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+		/* Permanent failure, prepare for device down */
+		lpfc_sli4_prep_dev_for_perm_failure(phba);
+		return PCI_ERS_RESULT_DISCONNECT;
+	default:
+		/* Unknown state, prepare and request slot reset */
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2825 Unknown PCI error state: x%x\n", state);
+		lpfc_sli4_prep_dev_for_reset(phba);
+		return PCI_ERS_RESULT_NEED_RESET;
+	}
+}
+
+/**
+ * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
+ * @pdev: pointer to PCI device.
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. It is called after PCI bus has been reset to
+ * restart the PCI card from scratch, as if from a cold-boot. During the
+ * PCI subsystem error recovery, after the driver returns
+ * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
+ * recovery and then call this routine before calling the .resume method to
+ * recover the device. This function will initialize the HBA device, enable
+ * the interrupt, but it will just put the HBA to offline state without
+ * passing any I/O traffic.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ */
+static pci_ers_result_t
+lpfc_io_slot_reset_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	struct lpfc_sli *psli = &phba->sli;
+	uint32_t intr_mode;
+
+	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
+	if (pci_enable_device_mem(pdev)) {
+		printk(KERN_ERR "lpfc: Cannot re-enable "
+			"PCI device after reset.\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	pci_restore_state(pdev);
+
+	/*
+	 * As the new kernel behavior of pci_restore_state() API call clears
+	 * device saved_state flag, need to save the restored state again.
+	 */
+	pci_save_state(pdev);
+
+	if (pdev->is_busmaster)
+		pci_set_master(pdev);
+
+	spin_lock_irq(&phba->hbalock);
+	psli->sli_flag &= ~LPFC_SLI_ACTIVE;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2824 Cannot re-enable interrupt after "
+				"slot reset.\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	} else
+		phba->intr_mode = intr_mode;
+
+	/* Log the current active interrupt mode */
+	lpfc_log_intr_mode(phba, phba->intr_mode);
+
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. It is called when kernel error recovery tells
+ * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
+ * error recovery. After this call, traffic can start to flow from this device
+ * again.
+ **/
+static void
+lpfc_io_resume_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	/*
+	 * In case of slot reset, as function reset is performed through
+	 * mailbox command which needs DMA to be enabled, this operation
+	 * has to be moved to the io resume phase. Taking device offline
+	 * will perform the necessary cleanup.
+	 */
+	if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
+		/* Perform device reset */
+		lpfc_offline_prep(phba, LPFC_MBX_WAIT);
+		lpfc_offline(phba);
+		lpfc_sli_brdrestart(phba);
+		/* Bring the device back online */
+		lpfc_online(phba);
+	}
+
+	/* Clean up Advanced Error Reporting (AER) if needed */
+	if (phba->hba_flag & HBA_AER_ENABLED)
+		pci_cleanup_aer_uncorrect_error_status(pdev);
+}
+
+/**
+ * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
+ * @pdev: pointer to PCI device
+ * @pid: pointer to PCI device identifier
+ *
+ * This routine is to be registered to the kernel's PCI subsystem. When an
+ * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
+ * at PCI device-specific information of the device and driver to see if the
+ * driver state that it can support this kind of device. If the match is
+ * successful, the driver core invokes this routine. This routine dispatches
+ * the action to the proper SLI-3 or SLI-4 device probing routine, which will
+ * do all the initialization that it needs to do to handle the HBA device
+ * properly.
+ *
+ * Return code
+ * 	0 - driver can claim the device
+ * 	negative value - driver can not claim the device
+ **/
+static int
+lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
+{
+	int rc;
+	struct lpfc_sli_intf intf;
+
+	if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
+		return -ENODEV;
+
+	if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
+	    (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
+		rc = lpfc_pci_probe_one_s4(pdev, pid);
+	else
+		rc = lpfc_pci_probe_one_s3(pdev, pid);
+
+	return rc;
+}
+
+/**
+ * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
+ * @pdev: pointer to PCI device
+ *
+ * This routine is to be registered to the kernel's PCI subsystem. When an
+ * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
+ * This routine dispatches the action to the proper SLI-3 or SLI-4 device
+ * remove routine, which will perform all the necessary cleanup for the
+ * device to be removed from the PCI subsystem properly.
+ **/
+static void
+lpfc_pci_remove_one(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		lpfc_pci_remove_one_s3(pdev);
+		break;
+	case LPFC_PCI_DEV_OC:
+		lpfc_pci_remove_one_s4(pdev);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1424 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return;
+}
+
+/**
+ * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
+ * @pdev: pointer to PCI device
+ * @msg: power management message
+ *
+ * This routine is to be registered to the kernel's PCI subsystem to support
+ * system Power Management (PM). When PM invokes this method, it dispatches
+ * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
+ * suspend the device.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	int rc = -ENODEV;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		rc = lpfc_pci_suspend_one_s3(pdev, msg);
+		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_pci_suspend_one_s4(pdev, msg);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1425 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
+ * @pdev: pointer to PCI device
+ *
+ * This routine is to be registered to the kernel's PCI subsystem to support
+ * system Power Management (PM). When PM invokes this method, it dispatches
+ * the action to the proper SLI-3 or SLI-4 device resume routine, which will
+ * resume the device.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_resume_one(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	int rc = -ENODEV;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		rc = lpfc_pci_resume_one_s3(pdev);
+		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_pci_resume_one_s4(pdev);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1426 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_io_error_detected - lpfc method for handling PCI I/O error
+ * @pdev: pointer to PCI device.
+ * @state: the current PCI connection state.
+ *
+ * This routine is registered to the PCI subsystem for error handling. This
+ * function is called by the PCI subsystem after a PCI bus error affecting
+ * this device has been detected. When this routine is invoked, it dispatches
+ * the action to the proper SLI-3 or SLI-4 device error detected handling
+ * routine, which will perform the proper error detected operation.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
+static pci_ers_result_t
+lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		rc = lpfc_io_error_detected_s3(pdev, state);
+		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_io_error_detected_s4(pdev, state);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1427 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
+ * @pdev: pointer to PCI device.
+ *
+ * This routine is registered to the PCI subsystem for error handling. This
+ * function is called after PCI bus has been reset to restart the PCI card
+ * from scratch, as if from a cold-boot. When this routine is invoked, it
+ * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
+ * routine, which will perform the proper device reset.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
+static pci_ers_result_t
+lpfc_io_slot_reset(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		rc = lpfc_io_slot_reset_s3(pdev);
+		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_io_slot_reset_s4(pdev);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1428 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_io_resume - lpfc method for resuming PCI I/O operation
+ * @pdev: pointer to PCI device
+ *
+ * This routine is registered to the PCI subsystem for error handling. It
+ * is called when kernel error recovery tells the lpfc driver that it is
+ * OK to resume normal PCI operation after PCI bus error recovery. When
+ * this routine is invoked, it dispatches the action to the proper SLI-3
+ * or SLI-4 device io_resume routine, which will resume the device operation.
+ **/
+static void
+lpfc_io_resume(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	switch (phba->pci_dev_grp) {
+	case LPFC_PCI_DEV_LP:
+		lpfc_io_resume_s3(pdev);
+		break;
+	case LPFC_PCI_DEV_OC:
+		lpfc_io_resume_s4(pdev);
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1429 Invalid PCI device group: 0x%x\n",
+				phba->pci_dev_grp);
+		break;
+	}
+	return;
+}
+
+/**
+ * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine checks to see if OAS is supported for this adapter. If
+ * supported, the configure Flash Optimized Fabric flag is set.  Otherwise,
+ * the enable oas flag is cleared and the pool created for OAS device data
+ * is destroyed.
+ *
+ **/
+void
+lpfc_sli4_oas_verify(struct lpfc_hba *phba)
+{
+
+	if (!phba->cfg_EnableXLane)
+		return;
+
+	if (phba->sli4_hba.pc_sli4_params.oas_supported) {
+		phba->cfg_fof = 1;
+	} else {
+		phba->cfg_fof = 0;
+		if (phba->device_data_mem_pool)
+			mempool_destroy(phba->device_data_mem_pool);
+		phba->device_data_mem_pool = NULL;
+	}
+
+	return;
+}
+
+/**
+ * lpfc_fof_queue_setup - Set up all the fof queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up all the fof queues for the FC HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No available memory
+ **/
+int
+lpfc_fof_queue_setup(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	int rc;
+
+	rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX);
+	if (rc)
+		return -ENOMEM;
+
+	if (phba->cfg_fof) {
+
+		rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq,
+				    phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP);
+		if (rc)
+			goto out_oas_cq;
+
+		rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq,
+				    phba->sli4_hba.oas_cq, LPFC_FCP);
+		if (rc)
+			goto out_oas_wq;
+
+		phba->sli4_hba.oas_cq->pring = &psli->ring[LPFC_FCP_OAS_RING];
+		phba->sli4_hba.oas_ring = &psli->ring[LPFC_FCP_OAS_RING];
+	}
+
+	return 0;
+
+out_oas_wq:
+	lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq);
+out_oas_cq:
+	lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq);
+	return rc;
+
+}
+
+/**
+ * lpfc_fof_queue_create - Create all the fof queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate all the fof queues for the FC HBA
+ * operation. For each SLI4 queue type, the parameters such as queue entry
+ * count (queue depth) shall be taken from the module parameter. For now,
+ * we just use some constant number as place holder.
+ *
+ * Return codes
+ *      0 - successful
+ *      -ENOMEM - No availble memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_fof_queue_create(struct lpfc_hba *phba)
+{
+	struct lpfc_queue *qdesc;
+
+	/* Create FOF EQ */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
+				      phba->sli4_hba.eq_ecount);
+	if (!qdesc)
+		goto out_error;
+
+	phba->sli4_hba.fof_eq = qdesc;
+
+	if (phba->cfg_fof) {
+
+		/* Create OAS CQ */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+						      phba->sli4_hba.cq_ecount);
+		if (!qdesc)
+			goto out_error;
+
+		phba->sli4_hba.oas_cq = qdesc;
+
+		/* Create OAS WQ */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+					      phba->sli4_hba.wq_ecount);
+		if (!qdesc)
+			goto out_error;
+
+		phba->sli4_hba.oas_wq = qdesc;
+
+	}
+	return 0;
+
+out_error:
+	lpfc_fof_queue_destroy(phba);
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_fof_queue_destroy - Destroy all the fof queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release all the SLI4 queues with the FC HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - successful
+ **/
+int
+lpfc_fof_queue_destroy(struct lpfc_hba *phba)
+{
+	/* Release FOF Event queue */
+	if (phba->sli4_hba.fof_eq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.fof_eq);
+		phba->sli4_hba.fof_eq = NULL;
+	}
+
+	/* Release OAS Completion queue */
+	if (phba->sli4_hba.oas_cq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.oas_cq);
+		phba->sli4_hba.oas_cq = NULL;
+	}
+
+	/* Release OAS Work queue */
+	if (phba->sli4_hba.oas_wq != NULL) {
+		lpfc_sli4_queue_free(phba->sli4_hba.oas_wq);
+		phba->sli4_hba.oas_wq = NULL;
+	}
+	return 0;
+}
+
+static struct pci_device_id lpfc_id_table[] = {
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, lpfc_id_table);
+
+static const struct pci_error_handlers lpfc_err_handler = {
+	.error_detected = lpfc_io_error_detected,
+	.slot_reset = lpfc_io_slot_reset,
+	.resume = lpfc_io_resume,
+};
+
+static struct pci_driver lpfc_driver = {
+	.name		= LPFC_DRIVER_NAME,
+	.id_table	= lpfc_id_table,
+	.probe		= lpfc_pci_probe_one,
+	.remove		= lpfc_pci_remove_one,
+	.suspend        = lpfc_pci_suspend_one,
+	.resume		= lpfc_pci_resume_one,
+	.err_handler    = &lpfc_err_handler,
+};
+
+static const struct file_operations lpfc_mgmt_fop = {
+	.owner = THIS_MODULE,
+};
+
+static struct miscdevice lpfc_mgmt_dev = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "lpfcmgmt",
+	.fops = &lpfc_mgmt_fop,
+};
+
+/**
+ * lpfc_init - lpfc module initialization routine
+ *
+ * This routine is to be invoked when the lpfc module is loaded into the
+ * kernel. The special kernel macro module_init() is used to indicate the
+ * role of this routine to the kernel as lpfc module entry point.
+ *
+ * Return codes
+ *   0 - successful
+ *   -ENOMEM - FC attach transport failed
+ *   all others - failed
+ */
+static int __init
+lpfc_init(void)
+{
+	int cpu;
+	int error = 0;
+
+	printk(LPFC_MODULE_DESC "\n");
+	printk(LPFC_COPYRIGHT "\n");
+
+	error = misc_register(&lpfc_mgmt_dev);
+	if (error)
+		printk(KERN_ERR "Could not register lpfcmgmt device, "
+			"misc_register returned with status %d", error);
+
+	if (lpfc_enable_npiv) {
+		lpfc_transport_functions.vport_create = lpfc_vport_create;
+		lpfc_transport_functions.vport_delete = lpfc_vport_delete;
+	}
+	lpfc_transport_template =
+				fc_attach_transport(&lpfc_transport_functions);
+	if (lpfc_transport_template == NULL)
+		return -ENOMEM;
+	if (lpfc_enable_npiv) {
+		lpfc_vport_transport_template =
+			fc_attach_transport(&lpfc_vport_transport_functions);
+		if (lpfc_vport_transport_template == NULL) {
+			fc_release_transport(lpfc_transport_template);
+			return -ENOMEM;
+		}
+	}
+
+	/* Initialize in case vector mapping is needed */
+	lpfc_used_cpu = NULL;
+	lpfc_present_cpu = 0;
+	for_each_present_cpu(cpu)
+		lpfc_present_cpu++;
+
+	error = pci_register_driver(&lpfc_driver);
+	if (error) {
+		fc_release_transport(lpfc_transport_template);
+		if (lpfc_enable_npiv)
+			fc_release_transport(lpfc_vport_transport_template);
+	}
+
+	return error;
+}
+
+/**
+ * lpfc_exit - lpfc module removal routine
+ *
+ * This routine is invoked when the lpfc module is removed from the kernel.
+ * The special kernel macro module_exit() is used to indicate the role of
+ * this routine to the kernel as lpfc module exit point.
+ */
+static void __exit
+lpfc_exit(void)
+{
+	misc_deregister(&lpfc_mgmt_dev);
+	pci_unregister_driver(&lpfc_driver);
+	fc_release_transport(lpfc_transport_template);
+	if (lpfc_enable_npiv)
+		fc_release_transport(lpfc_vport_transport_template);
+	if (_dump_buf_data) {
+		printk(KERN_ERR	"9062 BLKGRD: freeing %lu pages for "
+				"_dump_buf_data at 0x%p\n",
+				(1L << _dump_buf_data_order), _dump_buf_data);
+		free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
+	}
+
+	if (_dump_buf_dif) {
+		printk(KERN_ERR	"9049 BLKGRD: freeing %lu pages for "
+				"_dump_buf_dif at 0x%p\n",
+				(1L << _dump_buf_dif_order), _dump_buf_dif);
+		free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
+	}
+	kfree(lpfc_used_cpu);
+}
+
+module_init(lpfc_init);
+module_exit(lpfc_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION(LPFC_MODULE_DESC);
+MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
+MODULE_VERSION("0:" LPFC_DRIVER_VERSION);