OSCL-LXR linux-6.0.1/​drivers/​scsi/​lpfc/​lpfc_mbox.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
  * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.broadcom.com                                                *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
  *                                                                 *
  * This program is free software; you can redistribute it and/or   *
  * modify it under the terms of version 2 of the GNU General       *
  * Public License as published by the Free Software Foundation.    *
  * This program is distributed in the hope that it will be useful. *
  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  * more details, a copy of which can be found in the file COPYING  *
  * included with this package.                                     *
  *******************************************************************/
 
 #include <linux/blkdev.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_transport_fc.h>
 #include <scsi/scsi.h>
 #include <scsi/fc/fc_fs.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_compat.h"
 
 /**
  * lpfc_mbox_rsrc_prep - Prepare a mailbox with DMA buffer memory.
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to the driver internal queue element for mailbox command.
  *
  * A mailbox command consists of the pool memory for the command, @mbox, and
  * one or more DMA buffers for the data transfer.  This routine provides
  * a standard framework for allocating the dma buffer and assigning to the
  * @mbox.  Callers should cleanup the mbox with a call to
  * lpfc_mbox_rsrc_cleanup.
  *
  * The lpfc_mbuf_alloc routine acquires the hbalock so the caller is
  * responsible to ensure the hbalock is released.  Also note that the
  * driver design is a single dmabuf/mbuf per mbox in the ctx_buf.
  *
  **/
 int
 lpfc_mbox_rsrc_prep(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
     struct lpfc_dmabuf *mp;
 
     mp = kmalloc(sizeof(*mp), GFP_KERNEL);
     if (!mp)
         return -ENOMEM;
 
     mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
     if (!mp->virt) {
         kfree(mp);
         return -ENOMEM;
     }
 
     memset(mp->virt, 0, LPFC_BPL_SIZE);
 
     /* Initialization only.  Driver does not use a list of dmabufs. */
     INIT_LIST_HEAD(&mp->list);
     mbox->ctx_buf = mp;
     return 0;
 }
 
 /**
  * lpfc_mbox_rsrc_cleanup - Free the mailbox DMA buffer and virtual memory.
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to the driver internal queue element for mailbox command.
  * @locked: value that indicates if the hbalock is held (1) or not (0).
  *
  * A mailbox command consists of the pool memory for the command, @mbox, and
  * possibly a DMA buffer for the data transfer.  This routine provides
  * a standard framework for releasing any dma buffers and freeing all
  * memory resources in it as well as releasing the @mbox back to the @phba pool.
  * Callers should use this routine for cleanup for all mailboxes prepped with
  * lpfc_mbox_rsrc_prep.
  *
  **/
 void
 lpfc_mbox_rsrc_cleanup(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox,
                enum lpfc_mbox_ctx locked)
 {
     struct lpfc_dmabuf *mp;
 
     mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
     mbox->ctx_buf = NULL;
 
     /* Release the generic BPL buffer memory.  */
     if (mp) {
         if (locked == MBOX_THD_LOCKED)
             __lpfc_mbuf_free(phba, mp->virt, mp->phys);
         else
             lpfc_mbuf_free(phba, mp->virt, mp->phys);
         kfree(mp);
     }
 
     mempool_free(mbox, phba->mbox_mem_pool);
 }
 
 /**
  * lpfc_dump_static_vport - Dump HBA's static vport information.
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @offset: offset for dumping vport info.
  *
  * The dump mailbox command provides a method for the device driver to obtain
  * various types of information from the HBA device.
  *
  * This routine prepares the mailbox command for dumping list of static
  * vports to be created.
  **/
 int
 lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
         uint16_t offset)
 {
     MAILBOX_t *mb;
     struct lpfc_dmabuf *mp;
     int rc;
 
     mb = &pmb->u.mb;
 
     /* Setup to dump vport info region */
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_DUMP_MEMORY;
     mb->un.varDmp.type = DMP_NV_PARAMS;
     mb->un.varDmp.entry_index = offset;
     mb->un.varDmp.region_id = DMP_REGION_VPORT;
     mb->mbxOwner = OWN_HOST;
 
     /* For SLI3 HBAs data is embedded in mailbox */
     if (phba->sli_rev != LPFC_SLI_REV4) {
         mb->un.varDmp.cv = 1;
         mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
         return 0;
     }
 
     rc = lpfc_mbox_rsrc_prep(phba, pmb);
     if (rc) {
         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
                 "2605 %s: memory allocation failed\n",
                 __func__);
         return 1;
     }
 
     mp = pmb->ctx_buf;
     mb->un.varWords[3] = putPaddrLow(mp->phys);
     mb->un.varWords[4] = putPaddrHigh(mp->phys);
     mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
 
     return 0;
 }
 
 /**
  * lpfc_down_link - Bring down HBAs link.
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * This routine prepares a mailbox command to bring down HBA link.
  **/
 void
 lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb;
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
     mb = &pmb->u.mb;
     mb->mbxCommand = MBX_DOWN_LINK;
     mb->mbxOwner = OWN_HOST;
 }
 
 /**
  * lpfc_dump_mem - Prepare a mailbox command for reading a region.
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @offset: offset into the region.
  * @region_id: config region id.
  *
  * The dump mailbox command provides a method for the device driver to obtain
  * various types of information from the HBA device.
  *
  * This routine prepares the mailbox command for dumping HBA's config region.
  **/
 void
 lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
         uint16_t region_id)
 {
     MAILBOX_t *mb;
     void *ctx;
 
     mb = &pmb->u.mb;
     ctx = pmb->ctx_buf;
 
     /* Setup to dump VPD region */
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_DUMP_MEMORY;
     mb->un.varDmp.cv = 1;
     mb->un.varDmp.type = DMP_NV_PARAMS;
     mb->un.varDmp.entry_index = offset;
     mb->un.varDmp.region_id = region_id;
     mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
     mb->un.varDmp.co = 0;
     mb->un.varDmp.resp_offset = 0;
     pmb->ctx_buf = ctx;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * This function create a dump memory mailbox command to dump wake up
  * parameters.
  */
 void
 lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb;
     void *ctx;
 
     mb = &pmb->u.mb;
     /* Save context so that we can restore after memset */
     ctx = pmb->ctx_buf;
 
     /* Setup to dump VPD region */
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_DUMP_MEMORY;
     mb->mbxOwner = OWN_HOST;
     mb->un.varDmp.cv = 1;
     mb->un.varDmp.type = DMP_NV_PARAMS;
     if (phba->sli_rev < LPFC_SLI_REV4)
         mb->un.varDmp.entry_index = 0;
     mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
     mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
     mb->un.varDmp.co = 0;
     mb->un.varDmp.resp_offset = 0;
     pmb->ctx_buf = ctx;
     return;
 }
 
 /**
  * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The read NVRAM mailbox command returns the HBA's non-volatile parameters
  * that are used as defaults when the Fibre Channel link is brought on-line.
  *
  * This routine prepares the mailbox command for reading information stored
  * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
  **/
 void
 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_READ_NV;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_config_async - Prepare a mailbox command for enabling HBA async event
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @ring: ring number for the asynchronous event to be configured.
  *
  * The asynchronous event enable mailbox command is used to enable the
  * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
  * specifies the default ring to which events are posted.
  *
  * This routine prepares the mailbox command for enabling HBA asynchronous
  * event support on a IOCB ring.
  **/
 void
 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
         uint32_t ring)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
     mb->un.varCfgAsyncEvent.ring = ring;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_heart_beat - Prepare a mailbox command for heart beat
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The heart beat mailbox command is used to detect an unresponsive HBA, which
  * is defined as any device where no error attention is sent and both mailbox
  * and rings are not processed.
  *
  * This routine prepares the mailbox command for issuing a heart beat in the
  * form of mailbox command to the HBA. The timely completion of the heart
  * beat mailbox command indicates the health of the HBA.
  **/
 void
 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_HEARTBEAT;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_read_topology - Prepare a mailbox command for reading HBA topology
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @mp: DMA buffer memory for reading the link attention information into.
  *
  * The read topology mailbox command is issued to read the link topology
  * information indicated by the HBA port when the Link Event bit of the Host
  * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link
  * Attention ACQE is received from the port (For SLI-4). A Link Event
  * Attention occurs based on an exception detected at the Fibre Channel link
  * interface.
  *
  * This routine prepares the mailbox command for reading HBA link topology
  * information. A DMA memory has been set aside and address passed to the
  * HBA through @mp for the HBA to DMA link attention information into the
  * memory as part of the execution of the mailbox command.
  *
  * Return codes
  *    0 - Success (currently always return 0)
  **/
 int
 lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
            struct lpfc_dmabuf *mp)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     INIT_LIST_HEAD(&mp->list);
     mb->mbxCommand = MBX_READ_TOPOLOGY;
     mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE;
     mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
     mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys);
 
     /* Save address for later completion and set the owner to host so that
      * the FW knows this mailbox is available for processing.
      */
     pmb->ctx_buf = (uint8_t *)mp;
     mb->mbxOwner = OWN_HOST;
     return (0);
 }
 
 /**
  * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The clear link attention mailbox command is issued to clear the link event
  * attention condition indicated by the Link Event bit of the Host Attention
  * (HSTATT) register. The link event attention condition is cleared only if
  * the event tag specified matches that of the current link event counter.
  * The current event tag is read using the read link attention event mailbox
  * command.
  *
  * This routine prepares the mailbox command for clearing HBA link attention
  * information.
  **/
 void
 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->un.varClearLA.eventTag = phba->fc_eventTag;
     mb->mbxCommand = MBX_CLEAR_LA;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The configure link mailbox command is used before the initialize link
  * mailbox command to override default value and to configure link-oriented
  * parameters such as DID address and various timers. Typically, this
  * command would be used after an F_Port login to set the returned DID address
  * and the fabric timeout values. This command is not valid before a configure
  * port command has configured the HBA port.
  *
  * This routine prepares the mailbox command for configuring link on a HBA.
  **/
 void
 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     struct lpfc_vport  *vport = phba->pport;
     MAILBOX_t *mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     /* NEW_FEATURE
      * SLI-2, Coalescing Response Feature.
      */
     if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) {
         mb->un.varCfgLnk.cr = 1;
         mb->un.varCfgLnk.ci = 1;
         mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
         mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
     }
 
     mb->un.varCfgLnk.myId = vport->fc_myDID;
     mb->un.varCfgLnk.edtov = phba->fc_edtov;
     mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
     mb->un.varCfgLnk.ratov = phba->fc_ratov;
     mb->un.varCfgLnk.rttov = phba->fc_rttov;
     mb->un.varCfgLnk.altov = phba->fc_altov;
     mb->un.varCfgLnk.crtov = phba->fc_crtov;
     mb->un.varCfgLnk.cscn = 0;
     if (phba->bbcredit_support && phba->cfg_enable_bbcr) {
         mb->un.varCfgLnk.cscn = 1;
         mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def,
                          &phba->sli4_hba.bbscn_params);
     }
 
     if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4))
         mb->un.varCfgLnk.ack0_enable = 1;
 
     mb->mbxCommand = MBX_CONFIG_LINK;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_config_msi - Prepare a mailbox command for configuring msi-x
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
  * MSI-X multi-message interrupt vector association to interrupt attention
  * conditions.
  *
  * Return codes
  *    0 - Success
  *    -EINVAL - Failure
  **/
 int
 lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     uint32_t attentionConditions[2];
 
     /* Sanity check */
     if (phba->cfg_use_msi != 2) {
         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                 "0475 Not configured for supporting MSI-X "
                 "cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
         return -EINVAL;
     }
 
     if (phba->sli_rev < 3) {
         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                 "0476 HBA not supporting SLI-3 or later "
                 "SLI Revision: 0x%x\n", phba->sli_rev);
         return -EINVAL;
     }
 
     /* Clear mailbox command fields */
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
 
     /*
      * SLI-3, Message Signaled Interrupt Feature.
      */
 
     /* Multi-message attention configuration */
     attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
                   HA_LATT | HA_MBATT);
     attentionConditions[1] = 0;
 
     mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
     mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
 
     /*
      * Set up message number to HA bit association
      */
 #ifdef __BIG_ENDIAN_BITFIELD
     /* RA0 (FCP Ring) */
     mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
     /* RA1 (Other Protocol Extra Ring) */
     mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
 #else   /*  __LITTLE_ENDIAN_BITFIELD */
     /* RA0 (FCP Ring) */
     mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
     /* RA1 (Other Protocol Extra Ring) */
     mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
 #endif
     /* Multi-message interrupt autoclear configuration*/
     mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
     mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
 
     /* For now, HBA autoclear does not work reliably, disable it */
     mb->un.varCfgMSI.autoClearHA[0] = 0;
     mb->un.varCfgMSI.autoClearHA[1] = 0;
 
     /* Set command and owner bit */
     mb->mbxCommand = MBX_CONFIG_MSI;
     mb->mbxOwner = OWN_HOST;
 
     return 0;
 }
 
 /**
  * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @topology: the link topology for the link to be initialized to.
  * @linkspeed: the link speed for the link to be initialized to.
  *
  * The initialize link mailbox command is used to initialize the Fibre
  * Channel link. This command must follow a configure port command that
  * establishes the mode of operation.
  *
  * This routine prepares the mailbox command for initializing link on a HBA
  * with the specified link topology and speed.
  **/
 void
 lpfc_init_link(struct lpfc_hba * phba,
            LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
 {
     lpfc_vpd_t *vpd;
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     switch (topology) {
     case FLAGS_TOPOLOGY_MODE_LOOP_PT:
         mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
         mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
         break;
     case FLAGS_TOPOLOGY_MODE_PT_PT:
         mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
         break;
     case FLAGS_TOPOLOGY_MODE_LOOP:
         mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP;
         break;
     case FLAGS_TOPOLOGY_MODE_PT_LOOP:
         mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
         mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER;
         break;
     case FLAGS_LOCAL_LB:
         mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
         break;
     }
 
     /* Topology handling for ASIC_GEN_NUM 0xC and later */
     if ((phba->sli4_hba.pc_sli4_params.sli_family == LPFC_SLI_INTF_FAMILY_G6 ||
          phba->sli4_hba.pc_sli4_params.if_type == LPFC_SLI_INTF_IF_TYPE_6) &&
         !(phba->sli4_hba.pc_sli4_params.pls) &&
         mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
         mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
         phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT;
     }
 
     /* Enable asynchronous ABTS responses from firmware */
     if (phba->sli_rev == LPFC_SLI_REV3 && !phba->cfg_fcp_wait_abts_rsp)
         mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
 
     /* NEW_FEATURE
      * Setting up the link speed
      */
     vpd = &phba->vpd;
     if (vpd->rev.feaLevelHigh >= 0x02){
         switch(linkspeed){
         case LPFC_USER_LINK_SPEED_1G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_1G;
             break;
         case LPFC_USER_LINK_SPEED_2G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_2G;
             break;
         case LPFC_USER_LINK_SPEED_4G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_4G;
             break;
         case LPFC_USER_LINK_SPEED_8G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_8G;
             break;
         case LPFC_USER_LINK_SPEED_10G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_10G;
             break;
         case LPFC_USER_LINK_SPEED_16G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_16G;
             break;
         case LPFC_USER_LINK_SPEED_32G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_32G;
             break;
         case LPFC_USER_LINK_SPEED_64G:
             mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED;
             mb->un.varInitLnk.link_speed = LINK_SPEED_64G;
             break;
         case LPFC_USER_LINK_SPEED_AUTO:
         default:
             mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
             break;
         }
 
     }
     else
         mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO;
 
     mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK;
     mb->mbxOwner = OWN_HOST;
     mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA;
     return;
 }
 
 /**
  * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @vpi: virtual N_Port identifier.
  *
  * The read service parameter mailbox command is used to read the HBA port
  * service parameters. The service parameters are read into the buffer
  * specified directly by a BDE in the mailbox command. These service
  * parameters may then be used to build the payload of an N_Port/F_POrt
  * login request and reply (LOGI/ACC).
  *
  * This routine prepares the mailbox command for reading HBA port service
  * parameters. The DMA memory is allocated in this function and the addresses
  * are populated into the mailbox command for the HBA to DMA the service
  * parameters into.
  *
  * Return codes
  *    0 - Success
  *    1 - DMA memory allocation failed
  **/
 int
 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
 {
     struct lpfc_dmabuf *mp;
     MAILBOX_t *mb;
     int rc;
 
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     /* Get a buffer to hold the HBAs Service Parameters */
     rc = lpfc_mbox_rsrc_prep(phba, pmb);
     if (rc) {
         lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
                     "0301 READ_SPARAM: no buffers\n");
         return 1;
     }
 
     mp = pmb->ctx_buf;
     mb = &pmb->u.mb;
     mb->mbxOwner = OWN_HOST;
     mb->mbxCommand = MBX_READ_SPARM64;
     mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
     mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
     mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);
     if (phba->sli_rev >= LPFC_SLI_REV3)
         mb->un.varRdSparm.vpi = phba->vpi_ids[vpi];
 
     return (0);
 }
 
 /**
  * lpfc_unreg_did - Prepare a mailbox command for unregistering DID
  * @phba: pointer to lpfc hba data structure.
  * @vpi: virtual N_Port identifier.
  * @did: remote port identifier.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The unregister DID mailbox command is used to unregister an N_Port/F_Port
  * login for an unknown RPI by specifying the DID of a remote port. This
  * command frees an RPI context in the HBA port. This has the effect of
  * performing an implicit N_Port/F_Port logout.
  *
  * This routine prepares the mailbox command for unregistering a remote
  * N_Port/F_Port (DID) login.
  **/
 void
 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
            LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->un.varUnregDID.did = did;
     mb->un.varUnregDID.vpi = vpi;
     if ((vpi != 0xffff) &&
         (phba->sli_rev == LPFC_SLI_REV4))
         mb->un.varUnregDID.vpi = phba->vpi_ids[vpi];
 
     mb->mbxCommand = MBX_UNREG_D_ID;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_read_config - Prepare a mailbox command for reading HBA configuration
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The read configuration mailbox command is used to read the HBA port
  * configuration parameters. This mailbox command provides a method for
  * seeing any parameters that may have changed via various configuration
  * mailbox commands.
  *
  * This routine prepares the mailbox command for reading out HBA configuration
  * parameters.
  **/
 void
 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->mbxCommand = MBX_READ_CONFIG;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The read link status mailbox command is used to read the link status from
  * the HBA. Link status includes all link-related error counters. These
  * counters are maintained by the HBA and originated in the link hardware
  * unit. Note that all of these counters wrap.
  *
  * This routine prepares the mailbox command for reading out HBA link status.
  **/
 void
 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->mbxCommand = MBX_READ_LNK_STAT;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
  * @phba: pointer to lpfc hba data structure.
  * @vpi: virtual N_Port identifier.
  * @did: remote port identifier.
  * @param: pointer to memory holding the server parameters.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  * @rpi: the rpi to use in the registration (usually only used for SLI4.
  *
  * The registration login mailbox command is used to register an N_Port or
  * F_Port login. This registration allows the HBA to cache the remote N_Port
  * service parameters internally and thereby make the appropriate FC-2
  * decisions. The remote port service parameters are handed off by the driver
  * to the HBA using a descriptor entry that directly identifies a buffer in
  * host memory. In exchange, the HBA returns an RPI identifier.
  *
  * This routine prepares the mailbox command for registering remote port login.
  * The function allocates DMA buffer for passing the service parameters to the
  * HBA with the mailbox command.
  *
  * Return codes
  *    0 - Success
  *    1 - DMA memory allocation failed
  **/
 int
 lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
          uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     uint8_t *sparam;
     struct lpfc_dmabuf *mp;
     int rc;
 
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->un.varRegLogin.rpi = 0;
     if (phba->sli_rev == LPFC_SLI_REV4)
         mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi];
     if (phba->sli_rev >= LPFC_SLI_REV3)
         mb->un.varRegLogin.vpi = phba->vpi_ids[vpi];
     mb->un.varRegLogin.did = did;
     mb->mbxOwner = OWN_HOST;
 
     /* Get a buffer to hold NPorts Service Parameters */
     rc = lpfc_mbox_rsrc_prep(phba, pmb);
     if (rc) {
         mb->mbxCommand = MBX_REG_LOGIN64;
         /* REG_LOGIN: no buffers */
         lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
                 "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
                 "rpi x%x\n", vpi, did, rpi);
         return 1;
     }
 
     /* Copy param's into a new buffer */
     mp = pmb->ctx_buf;
     sparam = mp->virt;
     memcpy(sparam, param, sizeof (struct serv_parm));
 
     /* Finish initializing the mailbox. */
     mb->mbxCommand = MBX_REG_LOGIN64;
     mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
     mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
     mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);
 
     return 0;
 }
 
 /**
  * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login
  * @phba: pointer to lpfc hba data structure.
  * @vpi: virtual N_Port identifier.
  * @rpi: remote port identifier
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The unregistration login mailbox command is used to unregister an N_Port
  * or F_Port login. This command frees an RPI context in the HBA. It has the
  * effect of performing an implicit N_Port/F_Port logout.
  *
  * This routine prepares the mailbox command for unregistering remote port
  * login.
  *
  * For SLI4 ports, the rpi passed to this function must be the physical
  * rpi value, not the logical index.
  **/
 void
 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
          LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb;
 
     mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->un.varUnregLogin.rpi = rpi;
     mb->un.varUnregLogin.rsvd1 = 0;
     if (phba->sli_rev >= LPFC_SLI_REV3)
         mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi];
 
     mb->mbxCommand = MBX_UNREG_LOGIN;
     mb->mbxOwner = OWN_HOST;
 
     return;
 }
 
 /**
  * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
  * @vport: pointer to a vport object.
  *
  * This routine sends mailbox command to unregister all active RPIs for
  * a vport.
  **/
 void
 lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
 {
     struct lpfc_hba  *phba  = vport->phba;
     LPFC_MBOXQ_t     *mbox;
     int rc;
 
     mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
     if (mbox) {
         /*
          * For SLI4 functions, the rpi field is overloaded for
          * the vport context unreg all.  This routine passes
          * 0 for the rpi field in lpfc_unreg_login for compatibility
          * with SLI3 and then overrides the rpi field with the
          * expected value for SLI4.
          */
         lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi],
                  mbox);
         mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000;
         mbox->vport = vport;
         mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
         mbox->ctx_ndlp = NULL;
         rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
         if (rc == MBX_NOT_FINISHED)
             mempool_free(mbox, phba->mbox_mem_pool);
     }
 }
 
 /**
  * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
  * @vport: pointer to a vport object.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The registration vport identifier mailbox command is used to activate a
  * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
  * N_Port_ID against the information in the selected virtual N_Port context
  * block and marks it active to allow normal processing of IOCB commands and
  * received unsolicited exchanges.
  *
  * This routine prepares the mailbox command for registering a virtual N_Port.
  **/
 void
 lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     struct lpfc_hba *phba = vport->phba;
 
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     /*
      * Set the re-reg VPI bit for f/w to update the MAC address.
      */
     if ((phba->sli_rev == LPFC_SLI_REV4) &&
         !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI))
         mb->un.varRegVpi.upd = 1;
 
     mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi];
     mb->un.varRegVpi.sid = vport->fc_myDID;
     if (phba->sli_rev == LPFC_SLI_REV4)
         mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi];
     else
         mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base;
     memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname,
            sizeof(struct lpfc_name));
     mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]);
     mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]);
 
     mb->mbxCommand = MBX_REG_VPI;
     mb->mbxOwner = OWN_HOST;
     return;
 
 }
 
 /**
  * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id
  * @phba: pointer to lpfc hba data structure.
  * @vpi: virtual N_Port identifier.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The unregistration vport identifier mailbox command is used to inactivate
  * a virtual N_Port. The driver must have logged out and unregistered all
  * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
  * unregisters any default RPIs associated with the specified vpi, aborting
  * any active exchanges. The HBA will post the mailbox response after making
  * the virtual N_Port inactive.
  *
  * This routine prepares the mailbox command for unregistering a virtual
  * N_Port.
  **/
 void
 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     if (phba->sli_rev == LPFC_SLI_REV3)
         mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi];
     else if (phba->sli_rev >= LPFC_SLI_REV4)
         mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi];
 
     mb->mbxCommand = MBX_UNREG_VPI;
     mb->mbxOwner = OWN_HOST;
     return;
 
 }
 
 /**
  * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB)
  * @phba: pointer to lpfc hba data structure.
  *
  * This routine sets up and initializes the IOCB rings in the Port Control
  * Block (PCB).
  **/
 static void
 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 {
     struct lpfc_sli *psli = &phba->sli;
     struct lpfc_sli_ring *pring;
     PCB_t *pcbp = phba->pcb;
     dma_addr_t pdma_addr;
     uint32_t offset;
     uint32_t iocbCnt = 0;
     int i;
 
     pcbp->maxRing = (psli->num_rings - 1);
 
     for (i = 0; i < psli->num_rings; i++) {
         pring = &psli->sli3_ring[i];
 
         pring->sli.sli3.sizeCiocb =
             phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE :
                             SLI2_IOCB_CMD_SIZE;
         pring->sli.sli3.sizeRiocb =
             phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE :
                             SLI2_IOCB_RSP_SIZE;
         /* A ring MUST have both cmd and rsp entries defined to be
            valid */
         if ((pring->sli.sli3.numCiocb == 0) ||
             (pring->sli.sli3.numRiocb == 0)) {
             pcbp->rdsc[i].cmdEntries = 0;
             pcbp->rdsc[i].rspEntries = 0;
             pcbp->rdsc[i].cmdAddrHigh = 0;
             pcbp->rdsc[i].rspAddrHigh = 0;
             pcbp->rdsc[i].cmdAddrLow = 0;
             pcbp->rdsc[i].rspAddrLow = 0;
             pring->sli.sli3.cmdringaddr = NULL;
             pring->sli.sli3.rspringaddr = NULL;
             continue;
         }
         /* Command ring setup for ring */
         pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
         pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb;
 
         offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
              (uint8_t *) phba->slim2p.virt;
         pdma_addr = phba->slim2p.phys + offset;
         pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
         pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
         iocbCnt += pring->sli.sli3.numCiocb;
 
         /* Response ring setup for ring */
         pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt];
 
         pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb;
         offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
              (uint8_t *)phba->slim2p.virt;
         pdma_addr = phba->slim2p.phys + offset;
         pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
         pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
         iocbCnt += pring->sli.sli3.numRiocb;
     }
 }
 
 /**
  * lpfc_read_rev - Prepare a mailbox command for reading HBA revision
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The read revision mailbox command is used to read the revision levels of
  * the HBA components. These components include hardware units, resident
  * firmware, and available firmware. HBAs that supports SLI-3 mode of
  * operation provide different response information depending on the version
  * requested by the driver.
  *
  * This routine prepares the mailbox command for reading HBA revision
  * information.
  **/
 void
 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     mb->un.varRdRev.cv = 1;
     mb->un.varRdRev.v3req = 1; /* Request SLI3 info */
     mb->mbxCommand = MBX_READ_REV;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 void
 lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
     struct lpfc_mqe *mqe;
 
     switch (mb->mbxCommand) {
     case  MBX_READ_REV:
          mqe = &pmb->u.mqe;
         lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name,
                  mqe->un.read_rev.fw_name, 16);
         lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name,
                  mqe->un.read_rev.ulp_fw_name, 16);
         break;
     default:
         break;
     }
     return;
 }
 
 /**
  * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2
  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
  * @hbq_desc: pointer to the HBQ selection profile descriptor.
  *
  * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
  * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
  * the Sequence Length Test using the fields in the Selection Profile 2
  * extension in words 20:31.
  **/
 static void
 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
             struct lpfc_hbq_init  *hbq_desc)
 {
     hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt;
     hbqmb->profiles.profile2.maxlen     = hbq_desc->maxlen;
     hbqmb->profiles.profile2.seqlenoff  = hbq_desc->seqlenoff;
 }
 
 /**
  * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3
  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
  * @hbq_desc: pointer to the HBQ selection profile descriptor.
  *
  * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
  * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
  * the Sequence Length Test and Byte Field Test using the fields in the
  * Selection Profile 3 extension in words 20:31.
  **/
 static void
 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
             struct lpfc_hbq_init  *hbq_desc)
 {
     hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt;
     hbqmb->profiles.profile3.maxlen     = hbq_desc->maxlen;
     hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff;
     hbqmb->profiles.profile3.seqlenoff  = hbq_desc->seqlenoff;
     memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch,
            sizeof(hbqmb->profiles.profile3.cmdmatch));
 }
 
 /**
  * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5
  * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
  * @hbq_desc: pointer to the HBQ selection profile descriptor.
  *
  * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
  * HBA tests the initial frame of an incoming sequence using the frame's
  * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
  * and Byte Field Test using the fields in the Selection Profile 5 extension
  * words 20:31.
  **/
 static void
 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
             struct lpfc_hbq_init  *hbq_desc)
 {
     hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt;
     hbqmb->profiles.profile5.maxlen     = hbq_desc->maxlen;
     hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff;
     hbqmb->profiles.profile5.seqlenoff  = hbq_desc->seqlenoff;
     memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch,
            sizeof(hbqmb->profiles.profile5.cmdmatch));
 }
 
 /**
  * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ
  * @phba: pointer to lpfc hba data structure.
  * @id: HBQ identifier.
  * @hbq_desc: pointer to the HBA descriptor data structure.
  * @hbq_entry_index: index of the HBQ entry data structures.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
  * an HBQ. The configuration binds events that require buffers to a particular
  * ring and HBQ based on a selection profile.
  *
  * This routine prepares the mailbox command for configuring an HBQ.
  **/
 void
 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
          struct lpfc_hbq_init *hbq_desc,
         uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
 {
     int i;
     MAILBOX_t *mb = &pmb->u.mb;
     struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;
 
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
     hbqmb->hbqId = id;
     hbqmb->entry_count = hbq_desc->entry_count;   /* # entries in HBQ */
     hbqmb->recvNotify = hbq_desc->rn;             /* Receive
                                * Notification */
     hbqmb->numMask    = hbq_desc->mask_count;     /* # R_CTL/TYPE masks
                                * # in words 0-19 */
     hbqmb->profile    = hbq_desc->profile;        /* Selection profile:
                                * 0 = all,
                                * 7 = logentry */
     hbqmb->ringMask   = hbq_desc->ring_mask;      /* Binds HBQ to a ring
                                * e.g. Ring0=b0001,
                                * ring2=b0100 */
     hbqmb->headerLen  = hbq_desc->headerLen;      /* 0 if not profile 4
                                * or 5 */
     hbqmb->logEntry   = hbq_desc->logEntry;       /* Set to 1 if this
                                * HBQ will be used
                                * for LogEntry
                                * buffers */
     hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
         hbq_entry_index * sizeof(struct lpfc_hbq_entry);
     hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);
 
     mb->mbxCommand = MBX_CONFIG_HBQ;
     mb->mbxOwner = OWN_HOST;
 
                 /* Copy info for profiles 2,3,5. Other
                  * profiles this area is reserved
                  */
     if (hbq_desc->profile == 2)
         lpfc_build_hbq_profile2(hbqmb, hbq_desc);
     else if (hbq_desc->profile == 3)
         lpfc_build_hbq_profile3(hbqmb, hbq_desc);
     else if (hbq_desc->profile == 5)
         lpfc_build_hbq_profile5(hbqmb, hbq_desc);
 
     /* Return if no rctl / type masks for this HBQ */
     if (!hbq_desc->mask_count)
         return;
 
     /* Otherwise we setup specific rctl / type masks for this HBQ */
     for (i = 0; i < hbq_desc->mask_count; i++) {
         hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
         hbqmb->hbqMasks[i].tmask  = hbq_desc->hbqMasks[i].tmask;
         hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
         hbqmb->hbqMasks[i].rctlmask  = hbq_desc->hbqMasks[i].rctlmask;
     }
 
     return;
 }
 
 /**
  * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring
  * @phba: pointer to lpfc hba data structure.
  * @ring: ring number/index
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The configure ring mailbox command is used to configure an IOCB ring. This
  * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
  * ring. This is used to map incoming sequences to a particular ring whose
  * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
  * attempt to configure a ring whose number is greater than the number
  * specified in the Port Control Block (PCB). It is an error to issue the
  * configure ring command more than once with the same ring number. The HBA
  * returns an error if the driver attempts this.
  *
  * This routine prepares the mailbox command for configuring IOCB ring.
  **/
 void
 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 {
     int i;
     MAILBOX_t *mb = &pmb->u.mb;
     struct lpfc_sli *psli;
     struct lpfc_sli_ring *pring;
 
     memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
 
     mb->un.varCfgRing.ring = ring;
     mb->un.varCfgRing.maxOrigXchg = 0;
     mb->un.varCfgRing.maxRespXchg = 0;
     mb->un.varCfgRing.recvNotify = 1;
 
     psli = &phba->sli;
     pring = &psli->sli3_ring[ring];
     mb->un.varCfgRing.numMask = pring->num_mask;
     mb->mbxCommand = MBX_CONFIG_RING;
     mb->mbxOwner = OWN_HOST;
 
     /* Is this ring configured for a specific profile */
     if (pring->prt[0].profile) {
         mb->un.varCfgRing.profile = pring->prt[0].profile;
         return;
     }
 
     /* Otherwise we setup specific rctl / type masks for this ring */
     for (i = 0; i < pring->num_mask; i++) {
         mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
         if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
             mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
         else
             mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
         mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type;
         mb->un.varCfgRing.rrRegs[i].tmask = 0xff;
     }
 
     return;
 }
 
 /**
  * lpfc_config_port - Prepare a mailbox command for configuring port
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The configure port mailbox command is used to identify the Port Control
  * Block (PCB) in the driver memory. After this command is issued, the
  * driver must not access the mailbox in the HBA without first resetting
  * the HBA. The HBA may copy the PCB information to internal storage for
  * subsequent use; the driver can not change the PCB information unless it
  * resets the HBA.
  *
  * This routine prepares the mailbox command for configuring port.
  **/
 void
 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
     MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
     MAILBOX_t *mb = &pmb->u.mb;
     dma_addr_t pdma_addr;
     uint32_t bar_low, bar_high;
     size_t offset;
     struct lpfc_hgp hgp;
     int i;
     uint32_t pgp_offset;
 
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_CONFIG_PORT;
     mb->mbxOwner = OWN_HOST;
 
     mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
 
     offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
     pdma_addr = phba->slim2p.phys + offset;
     mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
     mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
 
     /* Always Host Group Pointer is in SLIM */
     mb->un.varCfgPort.hps = 1;
 
     /* If HBA supports SLI=3 ask for it */
 
     if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) {
         if (phba->cfg_enable_bg)
             mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
         mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
         mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
         mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
         if (phba->max_vpi && phba->cfg_enable_npiv &&
             phba->vpd.sli3Feat.cmv) {
             mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI;
             mb->un.varCfgPort.cmv = 1;
         } else
             mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
     } else
         phba->sli_rev = LPFC_SLI_REV2;
     mb->un.varCfgPort.sli_mode = phba->sli_rev;
 
     /* If this is an SLI3 port, configure async status notification. */
     if (phba->sli_rev == LPFC_SLI_REV3)
         mb->un.varCfgPort.casabt = 1;
 
     /* Now setup pcb */
     phba->pcb->type = TYPE_NATIVE_SLI2;
     phba->pcb->feature = FEATURE_INITIAL_SLI2;
 
     /* Setup Mailbox pointers */
     phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE;
     offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
     pdma_addr = phba->slim2p.phys + offset;
     phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
     phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
 
     /*
      * Setup Host Group ring pointer.
      *
      * For efficiency reasons, the ring get/put pointers can be
      * placed in adapter memory (SLIM) rather than in host memory.
      * This allows firmware to avoid PCI reads/writes when updating
      * and checking pointers.
      *
      * The firmware recognizes the use of SLIM memory by comparing
      * the address of the get/put pointers structure with that of
      * the SLIM BAR (BAR0).
      *
      * Caution: be sure to use the PCI config space value of BAR0/BAR1
      * (the hardware's view of the base address), not the OS's
      * value of pci_resource_start() as the OS value may be a cookie
      * for ioremap/iomap.
      */
 
 
     pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
     pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);
 
     /*
      * Set up HGP - Port Memory
      *
      * The port expects the host get/put pointers to reside in memory
      * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
      * area of SLIM.  In SLI-2 mode, there's an additional 16 reserved
      * words (0x40 bytes).  This area is not reserved if HBQs are
      * configured in SLI-3.
      *
      * CR0Put    - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
      * RR0Get                      0xc4              0x84
      * CR1Put                      0xc8              0x88
      * RR1Get                      0xcc              0x8c
      * CR2Put                      0xd0              0x90
      * RR2Get                      0xd4              0x94
      * CR3Put                      0xd8              0x98
      * RR3Get                      0xdc              0x9c
      *
      * Reserved                    0xa0-0xbf
      *    If HBQs configured:
      *                         HBQ 0 Put ptr  0xc0
      *                         HBQ 1 Put ptr  0xc4
      *                         HBQ 2 Put ptr  0xc8
      *                         ......
      *                         HBQ(M-1)Put Pointer 0xc0+(M-1)*4
      *
      */
 
     if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) {
         phba->host_gp = (struct lpfc_hgp __iomem *)
                  &phba->mbox->us.s2.host[0];
         phba->hbq_put = NULL;
         offset = (uint8_t *)&phba->mbox->us.s2.host -
             (uint8_t *)phba->slim2p.virt;
         pdma_addr = phba->slim2p.phys + offset;
         phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr);
         phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr);
     } else {
         /* Always Host Group Pointer is in SLIM */
         mb->un.varCfgPort.hps = 1;
 
         if (phba->sli_rev == 3) {
             phba->host_gp = &mb_slim->us.s3.host[0];
             phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
         } else {
             phba->host_gp = &mb_slim->us.s2.host[0];
             phba->hbq_put = NULL;
         }
 
         /* mask off BAR0's flag bits 0 - 3 */
         phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
             (void __iomem *)phba->host_gp -
             (void __iomem *)phba->MBslimaddr;
         if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
             phba->pcb->hgpAddrHigh = bar_high;
         else
             phba->pcb->hgpAddrHigh = 0;
         /* write HGP data to SLIM at the required longword offset */
         memset(&hgp, 0, sizeof(struct lpfc_hgp));
 
         for (i = 0; i < phba->sli.num_rings; i++) {
             lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
                     sizeof(*phba->host_gp));
         }
     }
 
     /* Setup Port Group offset */
     if (phba->sli_rev == 3)
         pgp_offset = offsetof(struct lpfc_sli2_slim,
                       mbx.us.s3_pgp.port);
     else
         pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
     pdma_addr = phba->slim2p.phys + pgp_offset;
     phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
     phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
 
     /* Use callback routine to setp rings in the pcb */
     lpfc_config_pcb_setup(phba);
 
     /* special handling for LC HBAs */
     if (lpfc_is_LC_HBA(phba->pcidev->device)) {
         uint32_t hbainit[5];
 
         lpfc_hba_init(phba, hbainit);
 
         memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
     }
 
     /* Swap PCB if needed */
     lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
 }
 
 /**
  * lpfc_kill_board - Prepare a mailbox command for killing board
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
  *
  * The kill board mailbox command is used to tell firmware to perform a
  * graceful shutdown of a channel on a specified board to prepare for reset.
  * When the kill board mailbox command is received, the ER3 bit is set to 1
  * in the Host Status register and the ER Attention bit is set to 1 in the
  * Host Attention register of the HBA function that received the kill board
  * command.
  *
  * This routine prepares the mailbox command for killing the board in
  * preparation for a graceful shutdown.
  **/
 void
 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
     MAILBOX_t *mb = &pmb->u.mb;
 
     memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
     mb->mbxCommand = MBX_KILL_BOARD;
     mb->mbxOwner = OWN_HOST;
     return;
 }
 
 /**
  * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue
  * @phba: pointer to lpfc hba data structure.
  * @mbq: pointer to the driver internal queue element for mailbox command.
  *
  * Driver maintains a internal mailbox command queue implemented as a linked
  * list. When a mailbox command is issued, it shall be put into the mailbox
  * command queue such that they shall be processed orderly as HBA can process
  * one mailbox command at a time.
  **/
 void
 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 {
     struct lpfc_sli *psli;
 
     psli = &phba->sli;
 
     list_add_tail(&mbq->list, &psli->mboxq);
 
     psli->mboxq_cnt++;
 
     return;
 }
 
 /**
  * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue
  * @phba: pointer to lpfc hba data structure.
  *
  * Driver maintains a internal mailbox command queue implemented as a linked
  * list. When a mailbox command is issued, it shall be put into the mailbox
  * command queue such that they shall be processed orderly as HBA can process
  * one mailbox command at a time. After HBA finished processing a mailbox
  * command, the driver will remove a pending mailbox command from the head of
  * the mailbox command queue and send to the HBA for processing.
  *
  * Return codes
  *    pointer to the driver internal queue element for mailbox command.
  **/
 LPFC_MBOXQ_t *
 lpfc_mbox_get(struct lpfc_hba * phba)
 {
     LPFC_MBOXQ_t *mbq = NULL;
     struct lpfc_sli *psli = &phba->sli;
 
     list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list);
     if (mbq)
         psli->mboxq_cnt--;
 
     return mbq;
 }
 
 /**
  * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list
  * @phba: pointer to lpfc hba data structure.
  * @mbq: pointer to the driver internal queue element for mailbox command.
  *
  * This routine put the completed mailbox command into the mailbox command
  * complete list. This is the unlocked version of the routine. The mailbox
  * complete list is used by the driver worker thread to process mailbox
  * complete callback functions outside the driver interrupt handler.
  **/
 void
 __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
 {
     list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl);
 }
 
 /**
  * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list
  * @phba: pointer to lpfc hba data structure.
  * @mbq: pointer to the driver internal queue element for mailbox command.
  *
  * This routine put the completed mailbox command into the mailbox command
  * complete list. This is the locked version of the routine. The mailbox
  * complete list is used by the driver worker thread to process mailbox
  * complete callback functions outside the driver interrupt handler.
  **/
 void
 lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq)
 {
     unsigned long iflag;
 
     /* This function expects to be called from interrupt context */
     spin_lock_irqsave(&phba->hbalock, iflag);
     __lpfc_mbox_cmpl_put(phba, mbq);
     spin_unlock_irqrestore(&phba->hbalock, iflag);
     return;
 }
 
 /**
  * lpfc_mbox_cmd_check - Check the validality of a mailbox command
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to the driver internal queue element for mailbox command.
  *
  * This routine is to check whether a mailbox command is valid to be issued.
  * This check will be performed by both the mailbox issue API when a client
  * is to issue a mailbox command to the mailbox transport.
  *
  * Return 0 - pass the check, -ENODEV - fail the check
  **/
 int
 lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
     /* Mailbox command that have a completion handler must also have a
      * vport specified.
      */
     if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
         mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
         if (!mboxq->vport) {
             lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT,
                     "1814 Mbox x%x failed, no vport\n",
                     mboxq->u.mb.mbxCommand);
             dump_stack();
             return -ENODEV;
         }
     }
     return 0;
 }
 
 /**
  * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command
  * @phba: pointer to lpfc hba data structure.
  *
  * This routine is to check whether the HBA device is ready for posting a
  * mailbox command. It is used by the mailbox transport API at the time the
  * to post a mailbox command to the device.
  *
  * Return 0 - pass the check, -ENODEV - fail the check
  **/
 int
 lpfc_mbox_dev_check(struct lpfc_hba *phba)
 {
     /* If the PCI channel is in offline state, do not issue mbox */
     if (unlikely(pci_channel_offline(phba->pcidev)))
         return -ENODEV;
 
     /* If the HBA is in error state, do not issue mbox */
     if (phba->link_state == LPFC_HBA_ERROR)
         return -ENODEV;
 
     return 0;
 }
 
 /**
  * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to the driver internal queue element for mailbox command.
  *
  * This routine retrieves the proper timeout value according to the mailbox
  * command code.
  *
  * Return codes
  *    Timeout value to be used for the given mailbox command
  **/
 int
 lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
     MAILBOX_t *mbox = &mboxq->u.mb;
     uint8_t subsys, opcode;
 
     switch (mbox->mbxCommand) {
     case MBX_WRITE_NV:  /* 0x03 */
     case MBX_DUMP_MEMORY:   /* 0x17 */
     case MBX_UPDATE_CFG:    /* 0x1B */
     case MBX_DOWN_LOAD: /* 0x1C */
     case MBX_DEL_LD_ENTRY:  /* 0x1D */
     case MBX_WRITE_VPARMS:  /* 0x32 */
     case MBX_LOAD_AREA: /* 0x81 */
     case MBX_WRITE_WWN:     /* 0x98 */
     case MBX_LOAD_EXP_ROM:  /* 0x9C */
     case MBX_ACCESS_VDATA:  /* 0xA5 */
         return LPFC_MBOX_TMO_FLASH_CMD;
     case MBX_SLI4_CONFIG:   /* 0x9b */
         subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
         opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
         if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
             switch (opcode) {
             case LPFC_MBOX_OPCODE_READ_OBJECT:
             case LPFC_MBOX_OPCODE_WRITE_OBJECT:
             case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
             case LPFC_MBOX_OPCODE_DELETE_OBJECT:
             case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
             case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
             case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG:
             case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
             case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
             case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES:
             case LPFC_MBOX_OPCODE_SEND_ACTIVATION:
             case LPFC_MBOX_OPCODE_RESET_LICENSES:
             case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG:
             case LPFC_MBOX_OPCODE_GET_VPD_DATA:
             case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG:
                 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
             }
         }
         if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
             switch (opcode) {
             case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
                 return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
             }
         }
         return LPFC_MBOX_SLI4_CONFIG_TMO;
     }
     return LPFC_MBOX_TMO;
 }
 
 /**
  * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command
  * @mbox: pointer to lpfc mbox command.
  * @sgentry: sge entry index.
  * @phyaddr: physical address for the sge
  * @length: Length of the sge.
  *
  * This routine sets up an entry in the non-embedded mailbox command at the sge
  * index location.
  **/
 void
 lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry,
               dma_addr_t phyaddr, uint32_t length)
 {
     struct lpfc_mbx_nembed_cmd *nembed_sge;
 
     nembed_sge = (struct lpfc_mbx_nembed_cmd *)
                 &mbox->u.mqe.un.nembed_cmd;
     nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr);
     nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr);
     nembed_sge->sge[sgentry].length = length;
 }
 
 /**
  * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command
  * @mbox: pointer to lpfc mbox command.
  * @sgentry: sge entry index.
  * @sge: pointer to lpfc mailbox sge to load into.
  *
  * This routine gets an entry from the non-embedded mailbox command at the sge
  * index location.
  **/
 void
 lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry,
               struct lpfc_mbx_sge *sge)
 {
     struct lpfc_mbx_nembed_cmd *nembed_sge;
 
     nembed_sge = (struct lpfc_mbx_nembed_cmd *)
                 &mbox->u.mqe.un.nembed_cmd;
     sge->pa_lo = nembed_sge->sge[sgentry].pa_lo;
     sge->pa_hi = nembed_sge->sge[sgentry].pa_hi;
     sge->length = nembed_sge->sge[sgentry].length;
 }
 
 /**
  * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to lpfc mbox command.
  *
  * This routine cleans up and releases an SLI4 mailbox command that was
  * configured using lpfc_sli4_config.  It accounts for the embedded and
  * non-embedded config types.
  **/
 void
 lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 {
     struct lpfc_mbx_sli4_config *sli4_cfg;
     struct lpfc_mbx_sge sge;
     dma_addr_t phyaddr;
     uint32_t sgecount, sgentry;
 
     sli4_cfg = &mbox->u.mqe.un.sli4_config;
 
     /* For embedded mbox command, just free the mbox command */
     if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
         mempool_free(mbox, phba->mbox_mem_pool);
         return;
     }
 
     /* For non-embedded mbox command, we need to free the pages first */
     sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr);
     /* There is nothing we can do if there is no sge address array */
     if (unlikely(!mbox->sge_array)) {
         mempool_free(mbox, phba->mbox_mem_pool);
         return;
     }
     /* Each non-embedded DMA memory was allocated in the length of a page */
     for (sgentry = 0; sgentry < sgecount; sgentry++) {
         lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge);
         phyaddr = getPaddr(sge.pa_hi, sge.pa_lo);
         dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
                   mbox->sge_array->addr[sgentry], phyaddr);
     }
     /* Free the sge address array memory */
     kfree(mbox->sge_array);
     /* Finally, free the mailbox command itself */
     mempool_free(mbox, phba->mbox_mem_pool);
 }
 
 /**
  * lpfc_sli4_config - Initialize the  SLI4 Config Mailbox command
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to lpfc mbox command.
  * @subsystem: The sli4 config sub mailbox subsystem.
  * @opcode: The sli4 config sub mailbox command opcode.
  * @length: Length of the sli4 config mailbox command (including sub-header).
  * @emb: True if embedded mbox command should be setup.
  *
  * This routine sets up the header fields of SLI4 specific mailbox command
  * for sending IOCTL command.
  *
  * Return: the actual length of the mbox command allocated (mostly useful
  *         for none embedded mailbox command).
  **/
 int
 lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
          uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb)
 {
     struct lpfc_mbx_sli4_config *sli4_config;
     union lpfc_sli4_cfg_shdr *cfg_shdr = NULL;
     uint32_t alloc_len;
     uint32_t resid_len;
     uint32_t pagen, pcount;
     void *viraddr;
     dma_addr_t phyaddr;
 
     /* Set up SLI4 mailbox command header fields */
     memset(mbox, 0, sizeof(*mbox));
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG);
 
     /* Set up SLI4 ioctl command header fields */
     sli4_config = &mbox->u.mqe.un.sli4_config;
 
     /* Setup for the embedded mbox command */
     if (emb) {
         /* Set up main header fields */
         bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1);
         sli4_config->header.cfg_mhdr.payload_length = length;
         /* Set up sub-header fields following main header */
         bf_set(lpfc_mbox_hdr_opcode,
             &sli4_config->header.cfg_shdr.request, opcode);
         bf_set(lpfc_mbox_hdr_subsystem,
             &sli4_config->header.cfg_shdr.request, subsystem);
         sli4_config->header.cfg_shdr.request.request_length =
             length - LPFC_MBX_CMD_HDR_LENGTH;
         return length;
     }
 
     /* Setup for the non-embedded mbox command */
     pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE;
     pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ?
                 LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount;
     /* Allocate record for keeping SGE virtual addresses */
     mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
                   GFP_KERNEL);
     if (!mbox->sge_array) {
         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
                 "2527 Failed to allocate non-embedded SGE "
                 "array.\n");
         return 0;
     }
     for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
         /* The DMA memory is always allocated in the length of a
          * page even though the last SGE might not fill up to a
          * page, this is used as a priori size of SLI4_PAGE_SIZE for
          * the later DMA memory free.
          */
         viraddr = dma_alloc_coherent(&phba->pcidev->dev,
                          SLI4_PAGE_SIZE, &phyaddr,
                          GFP_KERNEL);
         /* In case of malloc fails, proceed with whatever we have */
         if (!viraddr)
             break;
         mbox->sge_array->addr[pagen] = viraddr;
         /* Keep the first page for later sub-header construction */
         if (pagen == 0)
             cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr;
         resid_len = length - alloc_len;
         if (resid_len > SLI4_PAGE_SIZE) {
             lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
                           SLI4_PAGE_SIZE);
             alloc_len += SLI4_PAGE_SIZE;
         } else {
             lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr,
                           resid_len);
             alloc_len = length;
         }
     }
 
     /* Set up main header fields in mailbox command */
     sli4_config->header.cfg_mhdr.payload_length = alloc_len;
     bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen);
 
     /* Set up sub-header fields into the first page */
     if (pagen > 0) {
         bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode);
         bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem);
         cfg_shdr->request.request_length =
                 alloc_len - sizeof(union  lpfc_sli4_cfg_shdr);
     }
     /* The sub-header is in DMA memory, which needs endian converstion */
     if (cfg_shdr)
         lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr,
                       sizeof(union  lpfc_sli4_cfg_shdr));
     return alloc_len;
 }
 
 /**
  * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent.
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to an allocated lpfc mbox resource.
  * @exts_count: the number of extents, if required, to allocate.
  * @rsrc_type: the resource extent type.
  * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED.
  *
  * This routine completes the subcommand header for SLI4 resource extent
  * mailbox commands.  It is called after lpfc_sli4_config.  The caller must
  * pass an allocated mailbox and the attributes required to initialize the
  * mailbox correctly.
  *
  * Return: the actual length of the mbox command allocated.
  **/
 int
 lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
                uint16_t exts_count, uint16_t rsrc_type, bool emb)
 {
     uint8_t opcode = 0;
     struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL;
     void *virtaddr = NULL;
 
     /* Set up SLI4 ioctl command header fields */
     if (emb == LPFC_SLI4_MBX_NEMBED) {
         /* Get the first SGE entry from the non-embedded DMA memory */
         virtaddr = mbox->sge_array->addr[0];
         if (virtaddr == NULL)
             return 1;
         n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
     }
 
     /*
      * The resource type is common to all extent Opcodes and resides in the
      * same position.
      */
     if (emb == LPFC_SLI4_MBX_EMBED)
         bf_set(lpfc_mbx_alloc_rsrc_extents_type,
                &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
                rsrc_type);
     else {
         /* This is DMA data.  Byteswap is required. */
         bf_set(lpfc_mbx_alloc_rsrc_extents_type,
                n_rsrc_extnt, rsrc_type);
         lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4,
                       &n_rsrc_extnt->word4,
                       sizeof(uint32_t));
     }
 
     /* Complete the initialization for the particular Opcode. */
     opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox);
     switch (opcode) {
     case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT:
         if (emb == LPFC_SLI4_MBX_EMBED)
             bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
                    &mbox->u.mqe.un.alloc_rsrc_extents.u.req,
                    exts_count);
         else
             bf_set(lpfc_mbx_alloc_rsrc_extents_cnt,
                    n_rsrc_extnt, exts_count);
         break;
     case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT:
     case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO:
     case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT:
         /* Initialization is complete.*/
         break;
     default:
         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
                 "2929 Resource Extent Opcode x%x is "
                 "unsupported\n", opcode);
         return 1;
     }
 
     return 0;
 }
 
 /**
  * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to lpfc mbox command queue entry.
  *
  * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox
  * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the
  * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall
  * be returned.
  **/
 uint8_t
 lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
     struct lpfc_mbx_sli4_config *sli4_cfg;
     union lpfc_sli4_cfg_shdr *cfg_shdr;
 
     if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
         return LPFC_MBOX_SUBSYSTEM_NA;
     sli4_cfg = &mbox->u.mqe.un.sli4_config;
 
     /* For embedded mbox command, get opcode from embedded sub-header*/
     if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
         cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
         return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
     }
 
     /* For non-embedded mbox command, get opcode from first dma page */
     if (unlikely(!mbox->sge_array))
         return LPFC_MBOX_SUBSYSTEM_NA;
     cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
     return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
 }
 
 /**
  * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @mbox: pointer to lpfc mbox command queue entry.
  *
  * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox
  * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if
  * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be
  * returned.
  **/
 uint8_t
 lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
     struct lpfc_mbx_sli4_config *sli4_cfg;
     union lpfc_sli4_cfg_shdr *cfg_shdr;
 
     if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
         return LPFC_MBOX_OPCODE_NA;
     sli4_cfg = &mbox->u.mqe.un.sli4_config;
 
     /* For embedded mbox command, get opcode from embedded sub-header*/
     if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
         cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
         return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
     }
 
     /* For non-embedded mbox command, get opcode from first dma page */
     if (unlikely(!mbox->sge_array))
         return LPFC_MBOX_OPCODE_NA;
     cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
     return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
 }
 
 /**
  * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to lpfc mbox command.
  * @fcf_index: index to fcf table.
  *
  * This routine routine allocates and constructs non-embedded mailbox command
  * for reading a FCF table entry referred by @fcf_index.
  *
  * Return: pointer to the mailbox command constructed if successful, otherwise
  * NULL.
  **/
 int
 lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
                struct lpfcMboxq *mboxq,
                uint16_t fcf_index)
 {
     void *virt_addr;
     uint8_t *bytep;
     struct lpfc_mbx_sge sge;
     uint32_t alloc_len, req_len;
     struct lpfc_mbx_read_fcf_tbl *read_fcf;
 
     if (!mboxq)
         return -ENOMEM;
 
     req_len = sizeof(struct fcf_record) +
           sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
 
     /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
     alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
             LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
             LPFC_SLI4_MBX_NEMBED);
 
     if (alloc_len < req_len) {
         lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
                 "0291 Allocated DMA memory size (x%x) is "
                 "less than the requested DMA memory "
                 "size (x%x)\n", alloc_len, req_len);
         return -ENOMEM;
     }
 
     /* Get the first SGE entry from the non-embedded DMA memory. This
      * routine only uses a single SGE.
      */
     lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
     virt_addr = mboxq->sge_array->addr[0];
     read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
 
     /* Set up command fields */
     bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
     /* Perform necessary endian conversion */
     bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
     lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
 
     return 0;
 }
 
 /**
  * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to lpfc mbox command.
  *
  * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES
  * mailbox command.
  **/
 void
 lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
 {
     /* Set up SLI4 mailbox command header fields */
     memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
     bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS);
 
     /* Set up host requested features. */
     bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1);
     bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1);
 
     /* Enable DIF (block guard) only if configured to do so. */
     if (phba->cfg_enable_bg)
         bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1);
 
     /* Enable NPIV only if configured to do so. */
     if (phba->max_vpi && phba->cfg_enable_npiv)
         bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1);
 
     if (phba->nvmet_support) {
         bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1);
         /* iaab/iaar NOT set for now */
         bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0);
         bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0);
     }
 
     /* Enable Application Services Header for appheader VMID */
     if (phba->cfg_vmid_app_header) {
         bf_set(lpfc_mbx_rq_ftr_rq_ashdr, &mboxq->u.mqe.un.req_ftrs, 1);
         bf_set(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags, 1);
     }
     return;
 }
 
 /**
  * lpfc_init_vfi - Initialize the INIT_VFI mailbox command
  * @mbox: pointer to lpfc mbox command to initialize.
  * @vport: Vport associated with the VF.
  *
  * This routine initializes @mbox to all zeros and then fills in the mailbox
  * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI
  * in the context of an FCF. The driver issues this command to setup a VFI
  * before issuing a FLOGI to login to the VSAN. The driver should also issue a
  * REG_VFI after a successful VSAN login.
  **/
 void
 lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
 {
     struct lpfc_mbx_init_vfi *init_vfi;
 
     memset(mbox, 0, sizeof(*mbox));
     mbox->vport = vport;
     init_vfi = &mbox->u.mqe.un.init_vfi;
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI);
     bf_set(lpfc_init_vfi_vr, init_vfi, 1);
     bf_set(lpfc_init_vfi_vt, init_vfi, 1);
     bf_set(lpfc_init_vfi_vp, init_vfi, 1);
     bf_set(lpfc_init_vfi_vfi, init_vfi,
            vport->phba->sli4_hba.vfi_ids[vport->vfi]);
     bf_set(lpfc_init_vfi_vpi, init_vfi,
            vport->phba->vpi_ids[vport->vpi]);
     bf_set(lpfc_init_vfi_fcfi, init_vfi,
            vport->phba->fcf.fcfi);
 }
 
 /**
  * lpfc_reg_vfi - Initialize the REG_VFI mailbox command
  * @mbox: pointer to lpfc mbox command to initialize.
  * @vport: vport associated with the VF.
  * @phys: BDE DMA bus address used to send the service parameters to the HBA.
  *
  * This routine initializes @mbox to all zeros and then fills in the mailbox
  * fields from @vport, and uses @buf as a DMAable buffer to send the vport's
  * fc service parameters to the HBA for this VFI. REG_VFI configures virtual
  * fabrics identified by VFI in the context of an FCF.
  **/
 void
 lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys)
 {
     struct lpfc_mbx_reg_vfi *reg_vfi;
     struct lpfc_hba *phba = vport->phba;
     uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0;
 
     memset(mbox, 0, sizeof(*mbox));
     reg_vfi = &mbox->u.mqe.un.reg_vfi;
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI);
     bf_set(lpfc_reg_vfi_vp, reg_vfi, 1);
     bf_set(lpfc_reg_vfi_vfi, reg_vfi,
            phba->sli4_hba.vfi_ids[vport->vfi]);
     bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi);
     bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]);
     memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name));
     reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]);
     reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]);
     reg_vfi->e_d_tov = phba->fc_edtov;
     reg_vfi->r_a_tov = phba->fc_ratov;
     if (phys) {
         reg_vfi->bde.addrHigh = putPaddrHigh(phys);
         reg_vfi->bde.addrLow = putPaddrLow(phys);
         reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam);
         reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
     }
     bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID);
 
     /* Only FC supports upd bit */
     if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) &&
         (vport->fc_flag & FC_VFI_REGISTERED) &&
         (!phba->fc_topology_changed))
         bf_set(lpfc_reg_vfi_upd, reg_vfi, 1);
 
     bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0);
     bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0);
     bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF;
 
     if (phba->bbcredit_support && phba->cfg_enable_bbcr  &&
         bbscn_fabric != 0) {
         bbscn_max = bf_get(lpfc_bbscn_max,
                    &phba->sli4_hba.bbscn_params);
         if (bbscn_fabric <= bbscn_max) {
             bbscn_def = bf_get(lpfc_bbscn_def,
                        &phba->sli4_hba.bbscn_params);
 
             if (bbscn_fabric > bbscn_def)
                 bf_set(lpfc_reg_vfi_bbscn, reg_vfi,
                        bbscn_fabric);
             else
                 bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def);
 
             bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1);
         }
     }
     lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
             "3134 Register VFI, mydid:x%x, fcfi:%d, "
             " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x"
             " port_state:x%x topology chg:%d bbscn_fabric :%d\n",
             vport->fc_myDID,
             phba->fcf.fcfi,
             phba->sli4_hba.vfi_ids[vport->vfi],
             phba->vpi_ids[vport->vpi],
             reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag,
             vport->port_state, phba->fc_topology_changed,
             bbscn_fabric);
 }
 
 /**
  * lpfc_init_vpi - Initialize the INIT_VPI mailbox command
  * @phba: pointer to the hba structure to init the VPI for.
  * @mbox: pointer to lpfc mbox command to initialize.
  * @vpi: VPI to be initialized.
  *
  * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the
  * command to activate a virtual N_Port. The HBA assigns a MAC address to use
  * with the virtual N Port.  The SLI Host issues this command before issuing a
  * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a
  * successful virtual NPort login.
  **/
 void
 lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi)
 {
     memset(mbox, 0, sizeof(*mbox));
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI);
     bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi,
            phba->vpi_ids[vpi]);
     bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi,
            phba->sli4_hba.vfi_ids[phba->pport->vfi]);
 }
 
 /**
  * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command
  * @mbox: pointer to lpfc mbox command to initialize.
  * @vport: vport associated with the VF.
  *
  * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric
  * (logical NPort) into the inactive state. The SLI Host must have logged out
  * and unregistered all remote N_Ports to abort any activity on the virtual
  * fabric. The SLI Port posts the mailbox response after marking the virtual
  * fabric inactive.
  **/
 void
 lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport)
 {
     memset(mbox, 0, sizeof(*mbox));
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI);
     bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi,
            vport->phba->sli4_hba.vfi_ids[vport->vfi]);
 }
 
 /**
  * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23
  * @phba: pointer to the hba structure containing.
  * @mbox: pointer to lpfc mbox command to initialize.
  *
  * This function create a SLI4 dump mailbox command to dump configure
  * region 23.
  **/
 int
 lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 {
     struct lpfc_dmabuf *mp = NULL;
     MAILBOX_t *mb;
     int rc;
 
     memset(mbox, 0, sizeof(*mbox));
     mb = &mbox->u.mb;
 
     rc = lpfc_mbox_rsrc_prep(phba, mbox);
     if (rc) {
         lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
                 "2569 %s: memory allocation failed\n",
                 __func__);
         return 1;
     }
 
     mb->mbxCommand = MBX_DUMP_MEMORY;
     mb->un.varDmp.type = DMP_NV_PARAMS;
     mb->un.varDmp.region_id = DMP_REGION_23;
     mb->un.varDmp.sli4_length = DMP_RGN23_SIZE;
     mp = mbox->ctx_buf;
     mb->un.varWords[3] = putPaddrLow(mp->phys);
     mb->un.varWords[4] = putPaddrHigh(mp->phys);
     return 0;
 }
 
 static void
 lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
     MAILBOX_t *mb;
     int rc = FAILURE;
     struct lpfc_rdp_context *rdp_context =
             (struct lpfc_rdp_context *)(mboxq->ctx_ndlp);
 
     mb = &mboxq->u.mb;
     if (mb->mbxStatus)
         goto mbx_failed;
 
     memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR));
 
     rc = SUCCESS;
 
 mbx_failed:
     lpfc_mbox_rsrc_cleanup(phba, mboxq, MBOX_THD_UNLOCKED);
     rdp_context->cmpl(phba, rdp_context, rc);
 }
 
 static void
 lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
     struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
     struct lpfc_rdp_context *rdp_context =
             (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
 
     if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
         goto error_mbox_free;
 
     lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2,
                 DMP_SFF_PAGE_A2_SIZE);
 
     lpfc_read_lnk_stat(phba, mbox);
     mbox->vport = rdp_context->ndlp->vport;
 
     /* Save the dma buffer for cleanup in the final completion. */
     mbox->ctx_buf = mp;
     mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
     mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
     if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
         goto error_mbox_free;
 
     return;
 
 error_mbox_free:
     lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED);
     rdp_context->cmpl(phba, rdp_context, FAILURE);
 }
 
 void
 lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
     int rc;
     struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
     struct lpfc_rdp_context *rdp_context =
             (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
 
     if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
         goto error;
 
     lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0,
                 DMP_SFF_PAGE_A0_SIZE);
 
     memset(mbox, 0, sizeof(*mbox));
 
     memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE);
     INIT_LIST_HEAD(&mp->list);
 
     /* save address for completion */
     mbox->ctx_buf = mp;
     mbox->vport = rdp_context->ndlp->vport;
 
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
     bf_set(lpfc_mbx_memory_dump_type3_type,
         &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
     bf_set(lpfc_mbx_memory_dump_type3_link,
         &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
     bf_set(lpfc_mbx_memory_dump_type3_page_no,
         &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2);
     bf_set(lpfc_mbx_memory_dump_type3_length,
         &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
     mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
     mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
 
     mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
     mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
     rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
     if (rc == MBX_NOT_FINISHED)
         goto error;
 
     return;
 
 error:
     lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED);
     rdp_context->cmpl(phba, rdp_context, FAILURE);
 }
 
 
 /*
  * lpfc_sli4_dump_page_a0 - Dump sli4 read SFP Diagnostic.
  * @phba: pointer to the hba structure containing.
  * @mbox: pointer to lpfc mbox command to initialize.
  *
  * This function create a SLI4 dump mailbox command to dump configure
  * type 3 page 0xA0.
  */
 int
 lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 {
     int rc;
     struct lpfc_dmabuf *mp = NULL;
 
     memset(mbox, 0, sizeof(*mbox));
 
     rc = lpfc_mbox_rsrc_prep(phba, mbox);
     if (rc) {
         lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
             "3569 dump type 3 page 0xA0 allocation failed\n");
         return 1;
     }
 
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
     bf_set(lpfc_mbx_memory_dump_type3_type,
         &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
     bf_set(lpfc_mbx_memory_dump_type3_link,
         &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
     bf_set(lpfc_mbx_memory_dump_type3_page_no,
         &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0);
     bf_set(lpfc_mbx_memory_dump_type3_length,
         &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
 
     mp = mbox->ctx_buf;
     mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
     mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
 
     return 0;
 }
 
 /**
  * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
  * @phba: pointer to the hba structure containing the FCF index and RQ ID.
  * @mbox: pointer to lpfc mbox command to initialize.
  *
  * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The
  * SLI Host uses the command to activate an FCF after it has acquired FCF
  * information via a READ_FCF mailbox command. This mailbox command also is used
  * to indicate where received unsolicited frames from this FCF will be sent. By
  * default this routine will set up the FCF to forward all unsolicited frames
  * the the RQ ID passed in the @phba. This can be overridden by the caller for
  * more complicated setups.
  **/
 void
 lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 {
     struct lpfc_mbx_reg_fcfi *reg_fcfi;
 
     memset(mbox, 0, sizeof(*mbox));
     reg_fcfi = &mbox->u.mqe.un.reg_fcfi;
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI);
     if (phba->nvmet_support == 0) {
         bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
                phba->sli4_hba.hdr_rq->queue_id);
         /* Match everything - rq_id0 */
         bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0);
 
         bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
 
         /* addr mode is bit wise inverted value of fcf addr_mode */
         bf_set(lpfc_reg_fcfi_mam, reg_fcfi,
                (~phba->fcf.addr_mode) & 0x3);
     } else {
         /* This is ONLY for NVMET MRQ == 1 */
         if (phba->cfg_nvmet_mrq != 1)
             return;
 
         bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi,
                phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
         /* Match type FCP - rq_id0 */
         bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP);
         bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff);
         bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi,
                FC_RCTL_DD_UNSOL_CMD);
 
         bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi,
                phba->sli4_hba.hdr_rq->queue_id);
         /* Match everything else - rq_id1 */
         bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0);
         bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0);
     }
     bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
     bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
     bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
            phba->fcf.current_rec.fcf_indx);
     if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
         bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
         bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
                phba->fcf.current_rec.vlan_id);
     }
 }
 
 /**
  * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command
  * @phba: pointer to the hba structure containing the FCF index and RQ ID.
  * @mbox: pointer to lpfc mbox command to initialize.
  * @mode: 0 to register FCFI, 1 to register MRQs
  *
  * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs).
  * The SLI Host uses the command to activate an FCF after it has acquired FCF
  * information via a READ_FCF mailbox command. This mailbox command also is used
  * to indicate where received unsolicited frames from this FCF will be sent. By
  * default this routine will set up the FCF to forward all unsolicited frames
  * the the RQ ID passed in the @phba. This can be overridden by the caller for
  * more complicated setups.
  **/
 void
 lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode)
 {
     struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi;
 
     /* This is ONLY for MRQ */
     if (phba->cfg_nvmet_mrq <= 1)
         return;
 
     memset(mbox, 0, sizeof(*mbox));
     reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq;
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ);
     if (mode == 0) {
         bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi,
                phba->fcf.current_rec.fcf_indx);
         if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) {
             bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1);
             bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi,
                    phba->fcf.current_rec.vlan_id);
         }
         return;
     }
 
     bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi,
            phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id);
     /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */
     bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP);
     bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff);
     bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD);
     bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff);
     bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1);
     bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1);
 
     bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */
     bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1);
     bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */
     bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq);
 
     bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi,
            phba->sli4_hba.hdr_rq->queue_id);
     /* Match everything - rq_id1 */
     bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0);
     bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0);
     bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0);
     bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0);
 
     bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
     bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
 }
 
 /**
  * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command
  * @mbox: pointer to lpfc mbox command to initialize.
  * @fcfi: FCFI to be unregistered.
  *
  * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs).
  * The SLI Host uses the command to inactivate an FCFI.
  **/
 void
 lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi)
 {
     memset(mbox, 0, sizeof(*mbox));
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI);
     bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi);
 }
 
 /**
  * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command
  * @mbox: pointer to lpfc mbox command to initialize.
  * @ndlp: The nodelist structure that describes the RPI to resume.
  *
  * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a
  * link event.
  **/
 void
 lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
 {
     struct lpfc_hba *phba = ndlp->phba;
     struct lpfc_mbx_resume_rpi *resume_rpi;
 
     memset(mbox, 0, sizeof(*mbox));
     resume_rpi = &mbox->u.mqe.un.resume_rpi;
     bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI);
     bf_set(lpfc_resume_rpi_index, resume_rpi,
            phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
     bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
     resume_rpi->event_tag = ndlp->phba->fc_eventTag;
 }