1b51197d0f
- Add Basic support for SLI4 Loopback. (CR 124951, 125766, 124951, 125843, 125832, 125843) - Added missing protection in setting/clearing of phba->link_flag bit field (CR 125994) - Use link type and link number obtained from READ_CONFIG mailbox command. (CR 126264) Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2344 lines
76 KiB
C
2344 lines
76 KiB
C
/*******************************************************************
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* This file is part of the Emulex Linux Device Driver for *
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* Fibre Channel Host Bus Adapters. *
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* Copyright (C) 2004-2009 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.emulex.com *
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* Portions Copyright (C) 2004-2005 Christoph Hellwig *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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*******************************************************************/
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#include <linux/blkdev.h>
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_transport_fc.h>
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#include <scsi/scsi.h>
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#include <scsi/fc/fc_fs.h>
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#include "lpfc_hw4.h"
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#include "lpfc_hw.h"
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#include "lpfc_sli.h"
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#include "lpfc_sli4.h"
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#include "lpfc_nl.h"
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#include "lpfc_disc.h"
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#include "lpfc_scsi.h"
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#include "lpfc.h"
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#include "lpfc_logmsg.h"
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#include "lpfc_crtn.h"
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#include "lpfc_compat.h"
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/**
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* lpfc_dump_static_vport - Dump HBA's static vport information.
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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* @offset: offset for dumping vport info.
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*
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* The dump mailbox command provides a method for the device driver to obtain
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* various types of information from the HBA device.
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*
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* This routine prepares the mailbox command for dumping list of static
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* vports to be created.
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**/
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int
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lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
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uint16_t offset)
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{
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MAILBOX_t *mb;
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struct lpfc_dmabuf *mp;
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mb = &pmb->u.mb;
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/* Setup to dump vport info region */
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memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_DUMP_MEMORY;
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mb->un.varDmp.type = DMP_NV_PARAMS;
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mb->un.varDmp.entry_index = offset;
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mb->un.varDmp.region_id = DMP_REGION_VPORT;
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mb->mbxOwner = OWN_HOST;
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/* For SLI3 HBAs data is embedded in mailbox */
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if (phba->sli_rev != LPFC_SLI_REV4) {
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mb->un.varDmp.cv = 1;
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mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
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return 0;
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}
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/* For SLI4 HBAs driver need to allocate memory */
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mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
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if (mp)
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mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
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if (!mp || !mp->virt) {
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kfree(mp);
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lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
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"2605 lpfc_dump_static_vport: memory"
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" allocation failed\n");
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return 1;
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}
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memset(mp->virt, 0, LPFC_BPL_SIZE);
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INIT_LIST_HEAD(&mp->list);
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/* save address for completion */
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pmb->context2 = (uint8_t *) mp;
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mb->un.varWords[3] = putPaddrLow(mp->phys);
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mb->un.varWords[4] = putPaddrHigh(mp->phys);
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mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);
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return 0;
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}
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/**
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* lpfc_down_link - Bring down HBAs link.
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* This routine prepares a mailbox command to bring down HBA link.
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**/
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void
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lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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{
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MAILBOX_t *mb;
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memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
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mb = &pmb->u.mb;
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mb->mbxCommand = MBX_DOWN_LINK;
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mb->mbxOwner = OWN_HOST;
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}
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/**
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* lpfc_dump_mem - Prepare a mailbox command for reading a region.
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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* @offset: offset into the region.
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* @region_id: config region id.
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*
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* The dump mailbox command provides a method for the device driver to obtain
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* various types of information from the HBA device.
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*
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* This routine prepares the mailbox command for dumping HBA's config region.
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**/
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void
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lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
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uint16_t region_id)
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{
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MAILBOX_t *mb;
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void *ctx;
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mb = &pmb->u.mb;
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ctx = pmb->context2;
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/* Setup to dump VPD region */
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_DUMP_MEMORY;
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mb->un.varDmp.cv = 1;
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mb->un.varDmp.type = DMP_NV_PARAMS;
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mb->un.varDmp.entry_index = offset;
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mb->un.varDmp.region_id = region_id;
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mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
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mb->un.varDmp.co = 0;
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mb->un.varDmp.resp_offset = 0;
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pmb->context2 = ctx;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* This function create a dump memory mailbox command to dump wake up
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* parameters.
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*/
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void
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lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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{
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MAILBOX_t *mb;
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void *ctx;
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mb = &pmb->u.mb;
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/* Save context so that we can restore after memset */
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ctx = pmb->context2;
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/* Setup to dump VPD region */
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memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_DUMP_MEMORY;
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mb->mbxOwner = OWN_HOST;
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mb->un.varDmp.cv = 1;
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mb->un.varDmp.type = DMP_NV_PARAMS;
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mb->un.varDmp.entry_index = 0;
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mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID;
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mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
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mb->un.varDmp.co = 0;
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mb->un.varDmp.resp_offset = 0;
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pmb->context2 = ctx;
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return;
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}
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/**
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* lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* The read NVRAM mailbox command returns the HBA's non-volatile parameters
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* that are used as defaults when the Fibre Channel link is brought on-line.
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*
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* This routine prepares the mailbox command for reading information stored
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* in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
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**/
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void
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lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
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{
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MAILBOX_t *mb;
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mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_READ_NV;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_config_async - Prepare a mailbox command for enabling HBA async event
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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* @ring: ring number for the asynchronous event to be configured.
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*
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* The asynchronous event enable mailbox command is used to enable the
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* asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
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* specifies the default ring to which events are posted.
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*
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* This routine prepares the mailbox command for enabling HBA asynchronous
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* event support on a IOCB ring.
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**/
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void
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lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
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uint32_t ring)
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{
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MAILBOX_t *mb;
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mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_ASYNCEVT_ENABLE;
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mb->un.varCfgAsyncEvent.ring = ring;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_heart_beat - Prepare a mailbox command for heart beat
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* The heart beat mailbox command is used to detect an unresponsive HBA, which
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* is defined as any device where no error attention is sent and both mailbox
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* and rings are not processed.
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*
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* This routine prepares the mailbox command for issuing a heart beat in the
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* form of mailbox command to the HBA. The timely completion of the heart
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* beat mailbox command indicates the health of the HBA.
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**/
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void
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lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
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{
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MAILBOX_t *mb;
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mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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mb->mbxCommand = MBX_HEARTBEAT;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_read_topology - Prepare a mailbox command for reading HBA topology
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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* @mp: DMA buffer memory for reading the link attention information into.
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*
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* The read topology mailbox command is issued to read the link topology
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* information indicated by the HBA port when the Link Event bit of the Host
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* Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link
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* Attention ACQE is received from the port (For SLI-4). A Link Event
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* Attention occurs based on an exception detected at the Fibre Channel link
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* interface.
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*
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* This routine prepares the mailbox command for reading HBA link topology
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* information. A DMA memory has been set aside and address passed to the
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* HBA through @mp for the HBA to DMA link attention information into the
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* memory as part of the execution of the mailbox command.
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*
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* Return codes
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* 0 - Success (currently always return 0)
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**/
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int
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lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
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struct lpfc_dmabuf *mp)
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{
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MAILBOX_t *mb;
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struct lpfc_sli *psli;
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psli = &phba->sli;
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mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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INIT_LIST_HEAD(&mp->list);
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mb->mbxCommand = MBX_READ_TOPOLOGY;
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mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE;
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mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
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mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys);
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/* Save address for later completion and set the owner to host so that
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* the FW knows this mailbox is available for processing.
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*/
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pmb->context1 = (uint8_t *)mp;
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mb->mbxOwner = OWN_HOST;
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return (0);
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}
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/**
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* lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* The clear link attention mailbox command is issued to clear the link event
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* attention condition indicated by the Link Event bit of the Host Attention
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* (HSTATT) register. The link event attention condition is cleared only if
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* the event tag specified matches that of the current link event counter.
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* The current event tag is read using the read link attention event mailbox
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* command.
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*
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* This routine prepares the mailbox command for clearing HBA link attention
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* information.
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**/
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void
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lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
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{
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MAILBOX_t *mb;
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mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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mb->un.varClearLA.eventTag = phba->fc_eventTag;
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mb->mbxCommand = MBX_CLEAR_LA;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_config_link - Prepare a mailbox command for configuring link on a HBA
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* The configure link mailbox command is used before the initialize link
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* mailbox command to override default value and to configure link-oriented
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* parameters such as DID address and various timers. Typically, this
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* command would be used after an F_Port login to set the returned DID address
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* and the fabric timeout values. This command is not valid before a configure
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* port command has configured the HBA port.
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*
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* This routine prepares the mailbox command for configuring link on a HBA.
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**/
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void
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lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
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{
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struct lpfc_vport *vport = phba->pport;
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MAILBOX_t *mb = &pmb->u.mb;
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memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
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/* NEW_FEATURE
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* SLI-2, Coalescing Response Feature.
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*/
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if (phba->cfg_cr_delay) {
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mb->un.varCfgLnk.cr = 1;
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mb->un.varCfgLnk.ci = 1;
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mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay;
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mb->un.varCfgLnk.cr_count = phba->cfg_cr_count;
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}
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mb->un.varCfgLnk.myId = vport->fc_myDID;
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mb->un.varCfgLnk.edtov = phba->fc_edtov;
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mb->un.varCfgLnk.arbtov = phba->fc_arbtov;
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mb->un.varCfgLnk.ratov = phba->fc_ratov;
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mb->un.varCfgLnk.rttov = phba->fc_rttov;
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mb->un.varCfgLnk.altov = phba->fc_altov;
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mb->un.varCfgLnk.crtov = phba->fc_crtov;
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mb->un.varCfgLnk.citov = phba->fc_citov;
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if (phba->cfg_ack0)
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mb->un.varCfgLnk.ack0_enable = 1;
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mb->mbxCommand = MBX_CONFIG_LINK;
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mb->mbxOwner = OWN_HOST;
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return;
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}
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/**
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* lpfc_config_msi - Prepare a mailbox command for configuring msi-x
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* @phba: pointer to lpfc hba data structure.
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* @pmb: pointer to the driver internal queue element for mailbox command.
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*
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* The configure MSI-X mailbox command is used to configure the HBA's SLI-3
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* MSI-X multi-message interrupt vector association to interrupt attention
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* conditions.
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*
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* Return codes
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* 0 - Success
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* -EINVAL - Failure
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**/
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int
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lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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{
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MAILBOX_t *mb = &pmb->u.mb;
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uint32_t attentionConditions[2];
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/* Sanity check */
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if (phba->cfg_use_msi != 2) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0475 Not configured for supporting MSI-X "
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"cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
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return -EINVAL;
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}
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if (phba->sli_rev < 3) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0476 HBA not supporting SLI-3 or later "
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"SLI Revision: 0x%x\n", phba->sli_rev);
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return -EINVAL;
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}
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/* Clear mailbox command fields */
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memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
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/*
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* SLI-3, Message Signaled Interrupt Fearure.
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*/
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/* Multi-message attention configuration */
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attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
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HA_LATT | HA_MBATT);
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attentionConditions[1] = 0;
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mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
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mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
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/*
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* Set up message number to HA bit association
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*/
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#ifdef __BIG_ENDIAN_BITFIELD
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/* RA0 (FCP Ring) */
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mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
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/* RA1 (Other Protocol Extra Ring) */
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mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
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#else /* __LITTLE_ENDIAN_BITFIELD */
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/* RA0 (FCP Ring) */
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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;
|
|
struct lpfc_sli *psli;
|
|
MAILBOX_t *mb;
|
|
|
|
mb = &pmb->u.mb;
|
|
memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
|
|
|
|
psli = &phba->sli;
|
|
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;
|
|
}
|
|
|
|
/* Enable asynchronous ABTS responses from firmware */
|
|
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_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;
|
|
struct lpfc_sli *psli;
|
|
|
|
psli = &phba->sli;
|
|
mb = &pmb->u.mb;
|
|
memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
|
|
|
|
mb->mbxOwner = OWN_HOST;
|
|
|
|
/* Get a buffer to hold the HBAs Service Parameters */
|
|
|
|
mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (mp)
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp || !mp->virt) {
|
|
kfree(mp);
|
|
mb->mbxCommand = MBX_READ_SPARM64;
|
|
/* READ_SPARAM: no buffers */
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
|
|
"0301 READ_SPARAM: no buffers\n");
|
|
return (1);
|
|
}
|
|
INIT_LIST_HEAD(&mp->list);
|
|
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];
|
|
|
|
/* save address for completion */
|
|
pmb->context1 = mp;
|
|
|
|
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;
|
|
|
|
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 */
|
|
mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (mp)
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp || !mp->virt) {
|
|
kfree(mp);
|
|
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;
|
|
}
|
|
INIT_LIST_HEAD(&mp->list);
|
|
sparam = mp->virt;
|
|
|
|
/* Copy param's into a new buffer */
|
|
memcpy(sparam, param, sizeof (struct serv_parm));
|
|
|
|
/* save address for completion */
|
|
pmb->context1 = (uint8_t *) mp;
|
|
|
|
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->context1 = 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
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @vpi: virtual N_Port identifier.
|
|
* @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
|
|
* @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->ring[i];
|
|
|
|
pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE:
|
|
SLI2_IOCB_CMD_SIZE;
|
|
pring->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->numCiocb == 0) || (pring->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->cmdringaddr = NULL;
|
|
pring->rspringaddr = NULL;
|
|
continue;
|
|
}
|
|
/* Command ring setup for ring */
|
|
pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
|
|
pcbp->rdsc[i].cmdEntries = pring->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->numCiocb;
|
|
|
|
/* Response ring setup for ring */
|
|
pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt];
|
|
|
|
pcbp->rdsc[i].rspEntries = pring->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->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:
|
|
* @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->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 */
|
|
if (phba->cfg_enable_dss)
|
|
mb->un.varCfgPort.cdss = 1; /* Configure Security */
|
|
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 = &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.
|
|
* @cmd: mailbox command code.
|
|
*
|
|
* 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_UPDATE_CFG: /* 0x1B */
|
|
case MBX_DOWN_LOAD: /* 0x1C */
|
|
case MBX_DEL_LD_ENTRY: /* 0x1D */
|
|
case MBX_LOAD_AREA: /* 0x81 */
|
|
case MBX_WRITE_WWN: /* 0x98 */
|
|
case MBX_LOAD_EXP_ROM: /* 0x9C */
|
|
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_FUNCTION_CONFIG:
|
|
case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
|
|
case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
|
|
case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
|
|
case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_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.
|
|
*
|
|
* 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 frees SLI4 specific mailbox command for sending IOCTL command.
|
|
**/
|
|
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).
|
|
*
|
|
* 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;
|
|
memset(viraddr, 0, SLI4_PAGE_SIZE);
|
|
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.
|
|
* @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;
|
|
dma_addr_t phys_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);
|
|
phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
|
|
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
|
|
* @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);
|
|
|
|
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;
|
|
|
|
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,
|
|
vport->phba->sli4_hba.vfi_ids[vport->vfi]);
|
|
bf_set(lpfc_reg_vfi_fcfi, reg_vfi, vport->phba->fcf.fcfi);
|
|
bf_set(lpfc_reg_vfi_vpi, reg_vfi, vport->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 = vport->phba->fc_edtov;
|
|
reg_vfi->r_a_tov = vport->phba->fc_ratov;
|
|
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);
|
|
lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX,
|
|
"3134 Register VFI, mydid:x%x, fcfi:%d, "
|
|
" vfi:%d, vpi:%d, fc_pname:%x%x\n",
|
|
vport->fc_myDID,
|
|
vport->phba->fcf.fcfi,
|
|
vport->phba->sli4_hba.vfi_ids[vport->vfi],
|
|
vport->phba->vpi_ids[vport->vpi],
|
|
reg_vfi->wwn[0], reg_vfi->wwn[1]);
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
|
|
memset(mbox, 0, sizeof(*mbox));
|
|
mb = &mbox->u.mb;
|
|
|
|
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (mp)
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
|
|
if (!mp || !mp->virt) {
|
|
kfree(mp);
|
|
/* dump config region 23 failed to allocate memory */
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
|
|
"2569 lpfc dump config region 23: memory"
|
|
" allocation failed\n");
|
|
return 1;
|
|
}
|
|
|
|
memset(mp->virt, 0, LPFC_BPL_SIZE);
|
|
INIT_LIST_HEAD(&mp->list);
|
|
|
|
/* save address for completion */
|
|
mbox->context1 = (uint8_t *) mp;
|
|
|
|
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;
|
|
mb->un.varWords[3] = putPaddrLow(mp->phys);
|
|
mb->un.varWords[4] = 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);
|
|
bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id);
|
|
bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
|
|
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);
|
|
/* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */
|
|
bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3);
|
|
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_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;
|
|
}
|
|
|
|
/**
|
|
* lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
|
|
* mailbox command.
|
|
* @mbox: pointer to lpfc mbox command to initialize.
|
|
*
|
|
* The PORT_CAPABILITIES supported pages mailbox command is issued to
|
|
* retrieve the particular feature pages supported by the port.
|
|
**/
|
|
void
|
|
lpfc_supported_pages(struct lpfcMboxq *mbox)
|
|
{
|
|
struct lpfc_mbx_supp_pages *supp_pages;
|
|
|
|
memset(mbox, 0, sizeof(*mbox));
|
|
supp_pages = &mbox->u.mqe.un.supp_pages;
|
|
bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
|
|
bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
|
|
}
|
|
|
|
/**
|
|
* lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd.
|
|
* @mbox: pointer to lpfc mbox command to initialize.
|
|
*
|
|
* The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
|
|
* retrieve the particular SLI4 features supported by the port.
|
|
**/
|
|
void
|
|
lpfc_pc_sli4_params(struct lpfcMboxq *mbox)
|
|
{
|
|
struct lpfc_mbx_pc_sli4_params *sli4_params;
|
|
|
|
memset(mbox, 0, sizeof(*mbox));
|
|
sli4_params = &mbox->u.mqe.un.sli4_params;
|
|
bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
|
|
bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);
|
|
}
|