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![James Smart](/assets/img/avatar_default.png)
Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com> Signed-off-by: James Smart <james.smart@avagotech.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
11497 lines
338 KiB
C
11497 lines
338 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) 2004-2015 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/delay.h>
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#include <linux/dma-mapping.h>
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#include <linux/idr.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/kthread.h>
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#include <linux/pci.h>
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#include <linux/spinlock.h>
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#include <linux/ctype.h>
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#include <linux/aer.h>
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#include <linux/slab.h>
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#include <linux/firmware.h>
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#include <linux/miscdevice.h>
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#include <linux/percpu.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_transport_fc.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_vport.h"
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#include "lpfc_version.h"
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char *_dump_buf_data;
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unsigned long _dump_buf_data_order;
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char *_dump_buf_dif;
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unsigned long _dump_buf_dif_order;
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spinlock_t _dump_buf_lock;
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/* Used when mapping IRQ vectors in a driver centric manner */
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uint16_t *lpfc_used_cpu;
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uint32_t lpfc_present_cpu;
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static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
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static int lpfc_post_rcv_buf(struct lpfc_hba *);
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static int lpfc_sli4_queue_verify(struct lpfc_hba *);
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static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
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static int lpfc_setup_endian_order(struct lpfc_hba *);
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static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
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static void lpfc_free_els_sgl_list(struct lpfc_hba *);
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static void lpfc_init_sgl_list(struct lpfc_hba *);
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static int lpfc_init_active_sgl_array(struct lpfc_hba *);
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static void lpfc_free_active_sgl(struct lpfc_hba *);
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static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
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static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
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static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
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static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
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static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
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static void lpfc_sli4_disable_intr(struct lpfc_hba *);
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static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
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static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);
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static struct scsi_transport_template *lpfc_transport_template = NULL;
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static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
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static DEFINE_IDR(lpfc_hba_index);
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/**
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* lpfc_config_port_prep - Perform lpfc initialization prior to config port
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* @phba: pointer to lpfc hba data structure.
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*
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* This routine will do LPFC initialization prior to issuing the CONFIG_PORT
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* mailbox command. It retrieves the revision information from the HBA and
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* collects the Vital Product Data (VPD) about the HBA for preparing the
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* configuration of the HBA.
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*
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* Return codes:
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* 0 - success.
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* -ERESTART - requests the SLI layer to reset the HBA and try again.
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* Any other value - indicates an error.
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**/
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int
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lpfc_config_port_prep(struct lpfc_hba *phba)
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{
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lpfc_vpd_t *vp = &phba->vpd;
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int i = 0, rc;
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LPFC_MBOXQ_t *pmb;
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MAILBOX_t *mb;
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char *lpfc_vpd_data = NULL;
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uint16_t offset = 0;
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static char licensed[56] =
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"key unlock for use with gnu public licensed code only\0";
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static int init_key = 1;
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pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
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if (!pmb) {
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phba->link_state = LPFC_HBA_ERROR;
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return -ENOMEM;
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}
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mb = &pmb->u.mb;
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phba->link_state = LPFC_INIT_MBX_CMDS;
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if (lpfc_is_LC_HBA(phba->pcidev->device)) {
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if (init_key) {
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uint32_t *ptext = (uint32_t *) licensed;
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for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
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*ptext = cpu_to_be32(*ptext);
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init_key = 0;
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}
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lpfc_read_nv(phba, pmb);
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memset((char*)mb->un.varRDnvp.rsvd3, 0,
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sizeof (mb->un.varRDnvp.rsvd3));
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memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
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sizeof (licensed));
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rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
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if (rc != MBX_SUCCESS) {
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lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
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"0324 Config Port initialization "
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"error, mbxCmd x%x READ_NVPARM, "
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"mbxStatus x%x\n",
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mb->mbxCommand, mb->mbxStatus);
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mempool_free(pmb, phba->mbox_mem_pool);
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return -ERESTART;
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}
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memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
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sizeof(phba->wwnn));
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memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
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sizeof(phba->wwpn));
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}
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phba->sli3_options = 0x0;
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/* Setup and issue mailbox READ REV command */
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lpfc_read_rev(phba, pmb);
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rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
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if (rc != MBX_SUCCESS) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0439 Adapter failed to init, mbxCmd x%x "
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"READ_REV, mbxStatus x%x\n",
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mb->mbxCommand, mb->mbxStatus);
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mempool_free( pmb, phba->mbox_mem_pool);
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return -ERESTART;
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}
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/*
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* The value of rr must be 1 since the driver set the cv field to 1.
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* This setting requires the FW to set all revision fields.
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*/
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if (mb->un.varRdRev.rr == 0) {
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vp->rev.rBit = 0;
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0440 Adapter failed to init, READ_REV has "
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"missing revision information.\n");
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mempool_free(pmb, phba->mbox_mem_pool);
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return -ERESTART;
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}
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if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
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mempool_free(pmb, phba->mbox_mem_pool);
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return -EINVAL;
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}
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/* Save information as VPD data */
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vp->rev.rBit = 1;
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memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
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vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
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memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
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vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
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memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
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vp->rev.biuRev = mb->un.varRdRev.biuRev;
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vp->rev.smRev = mb->un.varRdRev.smRev;
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vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
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vp->rev.endecRev = mb->un.varRdRev.endecRev;
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vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
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vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
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vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
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vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
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vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
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vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
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/* If the sli feature level is less then 9, we must
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* tear down all RPIs and VPIs on link down if NPIV
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* is enabled.
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*/
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if (vp->rev.feaLevelHigh < 9)
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phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
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if (lpfc_is_LC_HBA(phba->pcidev->device))
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memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
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sizeof (phba->RandomData));
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/* Get adapter VPD information */
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lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
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if (!lpfc_vpd_data)
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goto out_free_mbox;
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do {
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lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
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rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
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if (rc != MBX_SUCCESS) {
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lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
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"0441 VPD not present on adapter, "
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"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
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mb->mbxCommand, mb->mbxStatus);
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mb->un.varDmp.word_cnt = 0;
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}
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/* dump mem may return a zero when finished or we got a
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* mailbox error, either way we are done.
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*/
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if (mb->un.varDmp.word_cnt == 0)
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break;
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if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
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mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
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lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
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lpfc_vpd_data + offset,
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mb->un.varDmp.word_cnt);
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offset += mb->un.varDmp.word_cnt;
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} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
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lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
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kfree(lpfc_vpd_data);
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out_free_mbox:
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mempool_free(pmb, phba->mbox_mem_pool);
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return 0;
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}
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/**
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* lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
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* @phba: pointer to lpfc hba data structure.
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* @pmboxq: pointer to the driver internal queue element for mailbox command.
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*
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* This is the completion handler for driver's configuring asynchronous event
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* mailbox command to the device. If the mailbox command returns successfully,
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* it will set internal async event support flag to 1; otherwise, it will
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* set internal async event support flag to 0.
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**/
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static void
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lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
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{
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if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
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phba->temp_sensor_support = 1;
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else
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phba->temp_sensor_support = 0;
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mempool_free(pmboxq, phba->mbox_mem_pool);
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return;
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}
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/**
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* lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
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* @phba: pointer to lpfc hba data structure.
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* @pmboxq: pointer to the driver internal queue element for mailbox command.
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*
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* This is the completion handler for dump mailbox command for getting
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* wake up parameters. When this command complete, the response contain
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* Option rom version of the HBA. This function translate the version number
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* into a human readable string and store it in OptionROMVersion.
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**/
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static void
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lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
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{
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struct prog_id *prg;
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uint32_t prog_id_word;
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char dist = ' ';
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/* character array used for decoding dist type. */
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char dist_char[] = "nabx";
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if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
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mempool_free(pmboxq, phba->mbox_mem_pool);
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return;
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}
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prg = (struct prog_id *) &prog_id_word;
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/* word 7 contain option rom version */
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prog_id_word = pmboxq->u.mb.un.varWords[7];
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/* Decode the Option rom version word to a readable string */
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if (prg->dist < 4)
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dist = dist_char[prg->dist];
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if ((prg->dist == 3) && (prg->num == 0))
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snprintf(phba->OptionROMVersion, 32, "%d.%d%d",
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prg->ver, prg->rev, prg->lev);
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else
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snprintf(phba->OptionROMVersion, 32, "%d.%d%d%c%d",
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prg->ver, prg->rev, prg->lev,
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dist, prg->num);
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mempool_free(pmboxq, phba->mbox_mem_pool);
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return;
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}
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/**
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* lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
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* cfg_soft_wwnn, cfg_soft_wwpn
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* @vport: pointer to lpfc vport data structure.
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*
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*
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* Return codes
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* None.
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**/
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void
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lpfc_update_vport_wwn(struct lpfc_vport *vport)
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{
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/* If the soft name exists then update it using the service params */
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if (vport->phba->cfg_soft_wwnn)
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u64_to_wwn(vport->phba->cfg_soft_wwnn,
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vport->fc_sparam.nodeName.u.wwn);
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if (vport->phba->cfg_soft_wwpn)
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u64_to_wwn(vport->phba->cfg_soft_wwpn,
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vport->fc_sparam.portName.u.wwn);
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/*
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* If the name is empty or there exists a soft name
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* then copy the service params name, otherwise use the fc name
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*/
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if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
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memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
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sizeof(struct lpfc_name));
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else
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memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
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sizeof(struct lpfc_name));
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if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
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memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
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sizeof(struct lpfc_name));
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else
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memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
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sizeof(struct lpfc_name));
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}
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|
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/**
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* lpfc_config_port_post - Perform lpfc initialization after config port
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* @phba: pointer to lpfc hba data structure.
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*
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* This routine will do LPFC initialization after the CONFIG_PORT mailbox
|
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* command call. It performs all internal resource and state setups on the
|
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* port: post IOCB buffers, enable appropriate host interrupt attentions,
|
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* ELS ring timers, etc.
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*
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* Return codes
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* 0 - success.
|
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* Any other value - error.
|
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**/
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int
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lpfc_config_port_post(struct lpfc_hba *phba)
|
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{
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struct lpfc_vport *vport = phba->pport;
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struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
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LPFC_MBOXQ_t *pmb;
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MAILBOX_t *mb;
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struct lpfc_dmabuf *mp;
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struct lpfc_sli *psli = &phba->sli;
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uint32_t status, timeout;
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int i, j;
|
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int rc;
|
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|
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spin_lock_irq(&phba->hbalock);
|
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/*
|
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* If the Config port completed correctly the HBA is not
|
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* over heated any more.
|
|
*/
|
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if (phba->over_temp_state == HBA_OVER_TEMP)
|
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phba->over_temp_state = HBA_NORMAL_TEMP;
|
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spin_unlock_irq(&phba->hbalock);
|
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|
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pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
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if (!pmb) {
|
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phba->link_state = LPFC_HBA_ERROR;
|
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return -ENOMEM;
|
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}
|
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mb = &pmb->u.mb;
|
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|
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/* Get login parameters for NID. */
|
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rc = lpfc_read_sparam(phba, pmb, 0);
|
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if (rc) {
|
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mempool_free(pmb, phba->mbox_mem_pool);
|
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return -ENOMEM;
|
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}
|
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|
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pmb->vport = vport;
|
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if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
|
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
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"0448 Adapter failed init, mbxCmd x%x "
|
|
"READ_SPARM mbxStatus x%x\n",
|
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mb->mbxCommand, mb->mbxStatus);
|
|
phba->link_state = LPFC_HBA_ERROR;
|
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mp = (struct lpfc_dmabuf *) pmb->context1;
|
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mempool_free(pmb, phba->mbox_mem_pool);
|
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lpfc_mbuf_free(phba, mp->virt, mp->phys);
|
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kfree(mp);
|
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return -EIO;
|
|
}
|
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|
|
mp = (struct lpfc_dmabuf *) pmb->context1;
|
|
|
|
memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
|
|
lpfc_mbuf_free(phba, mp->virt, mp->phys);
|
|
kfree(mp);
|
|
pmb->context1 = NULL;
|
|
lpfc_update_vport_wwn(vport);
|
|
|
|
/* Update the fc_host data structures with new wwn. */
|
|
fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
|
|
fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
|
|
fc_host_max_npiv_vports(shost) = phba->max_vpi;
|
|
|
|
/* If no serial number in VPD data, use low 6 bytes of WWNN */
|
|
/* This should be consolidated into parse_vpd ? - mr */
|
|
if (phba->SerialNumber[0] == 0) {
|
|
uint8_t *outptr;
|
|
|
|
outptr = &vport->fc_nodename.u.s.IEEE[0];
|
|
for (i = 0; i < 12; i++) {
|
|
status = *outptr++;
|
|
j = ((status & 0xf0) >> 4);
|
|
if (j <= 9)
|
|
phba->SerialNumber[i] =
|
|
(char)((uint8_t) 0x30 + (uint8_t) j);
|
|
else
|
|
phba->SerialNumber[i] =
|
|
(char)((uint8_t) 0x61 + (uint8_t) (j - 10));
|
|
i++;
|
|
j = (status & 0xf);
|
|
if (j <= 9)
|
|
phba->SerialNumber[i] =
|
|
(char)((uint8_t) 0x30 + (uint8_t) j);
|
|
else
|
|
phba->SerialNumber[i] =
|
|
(char)((uint8_t) 0x61 + (uint8_t) (j - 10));
|
|
}
|
|
}
|
|
|
|
lpfc_read_config(phba, pmb);
|
|
pmb->vport = vport;
|
|
if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0453 Adapter failed to init, mbxCmd x%x "
|
|
"READ_CONFIG, mbxStatus x%x\n",
|
|
mb->mbxCommand, mb->mbxStatus);
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
mempool_free( pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
|
|
/* Check if the port is disabled */
|
|
lpfc_sli_read_link_ste(phba);
|
|
|
|
/* Reset the DFT_HBA_Q_DEPTH to the max xri */
|
|
i = (mb->un.varRdConfig.max_xri + 1);
|
|
if (phba->cfg_hba_queue_depth > i) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"3359 HBA queue depth changed from %d to %d\n",
|
|
phba->cfg_hba_queue_depth, i);
|
|
phba->cfg_hba_queue_depth = i;
|
|
}
|
|
|
|
/* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
|
|
i = (mb->un.varRdConfig.max_xri >> 3);
|
|
if (phba->pport->cfg_lun_queue_depth > i) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"3360 LUN queue depth changed from %d to %d\n",
|
|
phba->pport->cfg_lun_queue_depth, i);
|
|
phba->pport->cfg_lun_queue_depth = i;
|
|
}
|
|
|
|
phba->lmt = mb->un.varRdConfig.lmt;
|
|
|
|
/* Get the default values for Model Name and Description */
|
|
lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
|
|
|
|
phba->link_state = LPFC_LINK_DOWN;
|
|
|
|
/* Only process IOCBs on ELS ring till hba_state is READY */
|
|
if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
|
|
psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
|
|
if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
|
|
psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
|
|
if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
|
|
psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
|
|
|
|
/* Post receive buffers for desired rings */
|
|
if (phba->sli_rev != 3)
|
|
lpfc_post_rcv_buf(phba);
|
|
|
|
/*
|
|
* Configure HBA MSI-X attention conditions to messages if MSI-X mode
|
|
*/
|
|
if (phba->intr_type == MSIX) {
|
|
rc = lpfc_config_msi(phba, pmb);
|
|
if (rc) {
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
|
|
if (rc != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
|
|
"0352 Config MSI mailbox command "
|
|
"failed, mbxCmd x%x, mbxStatus x%x\n",
|
|
pmb->u.mb.mbxCommand,
|
|
pmb->u.mb.mbxStatus);
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
}
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
/* Initialize ERATT handling flag */
|
|
phba->hba_flag &= ~HBA_ERATT_HANDLED;
|
|
|
|
/* Enable appropriate host interrupts */
|
|
if (lpfc_readl(phba->HCregaddr, &status)) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return -EIO;
|
|
}
|
|
status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
|
|
if (psli->num_rings > 0)
|
|
status |= HC_R0INT_ENA;
|
|
if (psli->num_rings > 1)
|
|
status |= HC_R1INT_ENA;
|
|
if (psli->num_rings > 2)
|
|
status |= HC_R2INT_ENA;
|
|
if (psli->num_rings > 3)
|
|
status |= HC_R3INT_ENA;
|
|
|
|
if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
|
|
(phba->cfg_poll & DISABLE_FCP_RING_INT))
|
|
status &= ~(HC_R0INT_ENA);
|
|
|
|
writel(status, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Set up ring-0 (ELS) timer */
|
|
timeout = phba->fc_ratov * 2;
|
|
mod_timer(&vport->els_tmofunc,
|
|
jiffies + msecs_to_jiffies(1000 * timeout));
|
|
/* Set up heart beat (HB) timer */
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
|
|
phba->hb_outstanding = 0;
|
|
phba->last_completion_time = jiffies;
|
|
/* Set up error attention (ERATT) polling timer */
|
|
mod_timer(&phba->eratt_poll,
|
|
jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
|
|
|
|
if (phba->hba_flag & LINK_DISABLED) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR, LOG_INIT,
|
|
"2598 Adapter Link is disabled.\n");
|
|
lpfc_down_link(phba, pmb);
|
|
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
|
|
if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR, LOG_INIT,
|
|
"2599 Adapter failed to issue DOWN_LINK"
|
|
" mbox command rc 0x%x\n", rc);
|
|
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
} else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
|
|
if (rc)
|
|
return rc;
|
|
}
|
|
/* MBOX buffer will be freed in mbox compl */
|
|
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
lpfc_config_async(phba, pmb, LPFC_ELS_RING);
|
|
pmb->mbox_cmpl = lpfc_config_async_cmpl;
|
|
pmb->vport = phba->pport;
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
|
|
|
|
if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR,
|
|
LOG_INIT,
|
|
"0456 Adapter failed to issue "
|
|
"ASYNCEVT_ENABLE mbox status x%x\n",
|
|
rc);
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
}
|
|
|
|
/* Get Option rom version */
|
|
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
lpfc_dump_wakeup_param(phba, pmb);
|
|
pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
|
|
pmb->vport = phba->pport;
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
|
|
|
|
if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
|
|
"to get Option ROM version status x%x\n", rc);
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_init_link - Initialize the FC link
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
|
|
*
|
|
* This routine will issue the INIT_LINK mailbox command call.
|
|
* It is available to other drivers through the lpfc_hba data
|
|
* structure for use as a delayed link up mechanism with the
|
|
* module parameter lpfc_suppress_link_up.
|
|
*
|
|
* Return code
|
|
* 0 - success
|
|
* Any other value - error
|
|
**/
|
|
static int
|
|
lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
|
|
{
|
|
return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @fc_topology: desired fc topology.
|
|
* @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
|
|
*
|
|
* This routine will issue the INIT_LINK mailbox command call.
|
|
* It is available to other drivers through the lpfc_hba data
|
|
* structure for use as a delayed link up mechanism with the
|
|
* module parameter lpfc_suppress_link_up.
|
|
*
|
|
* Return code
|
|
* 0 - success
|
|
* Any other value - error
|
|
**/
|
|
int
|
|
lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
|
|
uint32_t flag)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
LPFC_MBOXQ_t *pmb;
|
|
MAILBOX_t *mb;
|
|
int rc;
|
|
|
|
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return -ENOMEM;
|
|
}
|
|
mb = &pmb->u.mb;
|
|
pmb->vport = vport;
|
|
|
|
if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
|
|
!(phba->lmt & LMT_1Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
|
|
!(phba->lmt & LMT_2Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
|
|
!(phba->lmt & LMT_4Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
|
|
!(phba->lmt & LMT_8Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
|
|
!(phba->lmt & LMT_10Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
|
|
!(phba->lmt & LMT_16Gb)) ||
|
|
((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_32G) &&
|
|
!(phba->lmt & LMT_32Gb))) {
|
|
/* Reset link speed to auto */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
|
|
"1302 Invalid speed for this board:%d "
|
|
"Reset link speed to auto.\n",
|
|
phba->cfg_link_speed);
|
|
phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
|
|
}
|
|
lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
|
|
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
|
if (phba->sli_rev < LPFC_SLI_REV4)
|
|
lpfc_set_loopback_flag(phba);
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, flag);
|
|
if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0498 Adapter failed to init, mbxCmd x%x "
|
|
"INIT_LINK, mbxStatus x%x\n",
|
|
mb->mbxCommand, mb->mbxStatus);
|
|
if (phba->sli_rev <= LPFC_SLI_REV3) {
|
|
/* Clear all interrupt enable conditions */
|
|
writel(0, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
/* Clear all pending interrupts */
|
|
writel(0xffffffff, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
}
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
if (rc != MBX_BUSY || flag == MBX_POLL)
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
|
|
if (flag == MBX_POLL)
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_down_link - this routine downs the FC link
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
|
|
*
|
|
* This routine will issue the DOWN_LINK mailbox command call.
|
|
* It is available to other drivers through the lpfc_hba data
|
|
* structure for use to stop the link.
|
|
*
|
|
* Return code
|
|
* 0 - success
|
|
* Any other value - error
|
|
**/
|
|
static int
|
|
lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
|
|
{
|
|
LPFC_MBOXQ_t *pmb;
|
|
int rc;
|
|
|
|
pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR, LOG_INIT,
|
|
"0491 Adapter Link is disabled.\n");
|
|
lpfc_down_link(phba, pmb);
|
|
pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, flag);
|
|
if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR, LOG_INIT,
|
|
"2522 Adapter failed to issue DOWN_LINK"
|
|
" mbox command rc 0x%x\n", rc);
|
|
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
if (flag == MBX_POLL)
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will do LPFC uninitialization before the HBA is reset when
|
|
* bringing down the SLI Layer.
|
|
*
|
|
* Return codes
|
|
* 0 - success.
|
|
* Any other value - error.
|
|
**/
|
|
int
|
|
lpfc_hba_down_prep(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
|
|
if (phba->sli_rev <= LPFC_SLI_REV3) {
|
|
/* Disable interrupts */
|
|
writel(0, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
}
|
|
|
|
if (phba->pport->load_flag & FC_UNLOADING)
|
|
lpfc_cleanup_discovery_resources(phba->pport);
|
|
else {
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports &&
|
|
vports[i] != NULL; i++)
|
|
lpfc_cleanup_discovery_resources(vports[i]);
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
|
|
* rspiocb which got deferred
|
|
*
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will cleanup completed slow path events after HBA is reset
|
|
* when bringing down the SLI Layer.
|
|
*
|
|
*
|
|
* Return codes
|
|
* void.
|
|
**/
|
|
static void
|
|
lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_iocbq *rspiocbq;
|
|
struct hbq_dmabuf *dmabuf;
|
|
struct lpfc_cq_event *cq_event;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
|
|
/* Get the response iocb from the head of work queue */
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_remove_head(&phba->sli4_hba.sp_queue_event,
|
|
cq_event, struct lpfc_cq_event, list);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
|
|
case CQE_CODE_COMPL_WQE:
|
|
rspiocbq = container_of(cq_event, struct lpfc_iocbq,
|
|
cq_event);
|
|
lpfc_sli_release_iocbq(phba, rspiocbq);
|
|
break;
|
|
case CQE_CODE_RECEIVE:
|
|
case CQE_CODE_RECEIVE_V1:
|
|
dmabuf = container_of(cq_event, struct hbq_dmabuf,
|
|
cq_event);
|
|
lpfc_in_buf_free(phba, &dmabuf->dbuf);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will cleanup posted ELS buffers after the HBA is reset
|
|
* when bringing down the SLI Layer.
|
|
*
|
|
*
|
|
* Return codes
|
|
* void.
|
|
**/
|
|
static void
|
|
lpfc_hba_free_post_buf(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_sli_ring *pring;
|
|
struct lpfc_dmabuf *mp, *next_mp;
|
|
LIST_HEAD(buflist);
|
|
int count;
|
|
|
|
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
|
|
lpfc_sli_hbqbuf_free_all(phba);
|
|
else {
|
|
/* Cleanup preposted buffers on the ELS ring */
|
|
pring = &psli->ring[LPFC_ELS_RING];
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_splice_init(&pring->postbufq, &buflist);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
count = 0;
|
|
list_for_each_entry_safe(mp, next_mp, &buflist, list) {
|
|
list_del(&mp->list);
|
|
count++;
|
|
lpfc_mbuf_free(phba, mp->virt, mp->phys);
|
|
kfree(mp);
|
|
}
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
pring->postbufq_cnt -= count;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will cleanup the txcmplq after the HBA is reset when bringing
|
|
* down the SLI Layer.
|
|
*
|
|
* Return codes
|
|
* void
|
|
**/
|
|
static void
|
|
lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_sli_ring *pring;
|
|
LIST_HEAD(completions);
|
|
int i;
|
|
|
|
for (i = 0; i < psli->num_rings; i++) {
|
|
pring = &psli->ring[i];
|
|
if (phba->sli_rev >= LPFC_SLI_REV4)
|
|
spin_lock_irq(&pring->ring_lock);
|
|
else
|
|
spin_lock_irq(&phba->hbalock);
|
|
/* At this point in time the HBA is either reset or DOA. Either
|
|
* way, nothing should be on txcmplq as it will NEVER complete.
|
|
*/
|
|
list_splice_init(&pring->txcmplq, &completions);
|
|
pring->txcmplq_cnt = 0;
|
|
|
|
if (phba->sli_rev >= LPFC_SLI_REV4)
|
|
spin_unlock_irq(&pring->ring_lock);
|
|
else
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Cancel all the IOCBs from the completions list */
|
|
lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
|
|
IOERR_SLI_ABORTED);
|
|
lpfc_sli_abort_iocb_ring(phba, pring);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
|
|
int i;
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will do uninitialization after the HBA is reset when bring
|
|
* down the SLI Layer.
|
|
*
|
|
* Return codes
|
|
* 0 - success.
|
|
* Any other value - error.
|
|
**/
|
|
static int
|
|
lpfc_hba_down_post_s3(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_hba_free_post_buf(phba);
|
|
lpfc_hba_clean_txcmplq(phba);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine will do uninitialization after the HBA is reset when bring
|
|
* down the SLI Layer.
|
|
*
|
|
* Return codes
|
|
* 0 - success.
|
|
* Any other value - error.
|
|
**/
|
|
static int
|
|
lpfc_hba_down_post_s4(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_scsi_buf *psb, *psb_next;
|
|
LIST_HEAD(aborts);
|
|
unsigned long iflag = 0;
|
|
struct lpfc_sglq *sglq_entry = NULL;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_sli_ring *pring;
|
|
|
|
lpfc_hba_free_post_buf(phba);
|
|
lpfc_hba_clean_txcmplq(phba);
|
|
pring = &psli->ring[LPFC_ELS_RING];
|
|
|
|
/* At this point in time the HBA is either reset or DOA. Either
|
|
* way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
|
|
* on the lpfc_sgl_list so that it can either be freed if the
|
|
* driver is unloading or reposted if the driver is restarting
|
|
* the port.
|
|
*/
|
|
spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
|
|
/* scsl_buf_list */
|
|
/* abts_sgl_list_lock required because worker thread uses this
|
|
* list.
|
|
*/
|
|
spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
|
|
list_for_each_entry(sglq_entry,
|
|
&phba->sli4_hba.lpfc_abts_els_sgl_list, list)
|
|
sglq_entry->state = SGL_FREED;
|
|
|
|
spin_lock(&pring->ring_lock);
|
|
list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
|
|
&phba->sli4_hba.lpfc_sgl_list);
|
|
spin_unlock(&pring->ring_lock);
|
|
spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
|
|
/* abts_scsi_buf_list_lock required because worker thread uses this
|
|
* list.
|
|
*/
|
|
spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
|
|
list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
|
|
&aborts);
|
|
spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
list_for_each_entry_safe(psb, psb_next, &aborts, list) {
|
|
psb->pCmd = NULL;
|
|
psb->status = IOSTAT_SUCCESS;
|
|
}
|
|
spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
|
|
list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
|
|
spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
|
|
|
|
lpfc_sli4_free_sp_events(phba);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_down_post - Wrapper func for hba down post routine
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine wraps the actual SLI3 or SLI4 routine for performing
|
|
* uninitialization after the HBA is reset when bring down the SLI Layer.
|
|
*
|
|
* Return codes
|
|
* 0 - success.
|
|
* Any other value - error.
|
|
**/
|
|
int
|
|
lpfc_hba_down_post(struct lpfc_hba *phba)
|
|
{
|
|
return (*phba->lpfc_hba_down_post)(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_hb_timeout - The HBA-timer timeout handler
|
|
* @ptr: unsigned long holds the pointer to lpfc hba data structure.
|
|
*
|
|
* This is the HBA-timer timeout handler registered to the lpfc driver. When
|
|
* this timer fires, a HBA timeout event shall be posted to the lpfc driver
|
|
* work-port-events bitmap and the worker thread is notified. This timeout
|
|
* event will be used by the worker thread to invoke the actual timeout
|
|
* handler routine, lpfc_hb_timeout_handler. Any periodical operations will
|
|
* be performed in the timeout handler and the HBA timeout event bit shall
|
|
* be cleared by the worker thread after it has taken the event bitmap out.
|
|
**/
|
|
static void
|
|
lpfc_hb_timeout(unsigned long ptr)
|
|
{
|
|
struct lpfc_hba *phba;
|
|
uint32_t tmo_posted;
|
|
unsigned long iflag;
|
|
|
|
phba = (struct lpfc_hba *)ptr;
|
|
|
|
/* Check for heart beat timeout conditions */
|
|
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
|
|
tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
|
|
if (!tmo_posted)
|
|
phba->pport->work_port_events |= WORKER_HB_TMO;
|
|
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
|
|
|
|
/* Tell the worker thread there is work to do */
|
|
if (!tmo_posted)
|
|
lpfc_worker_wake_up(phba);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_rrq_timeout - The RRQ-timer timeout handler
|
|
* @ptr: unsigned long holds the pointer to lpfc hba data structure.
|
|
*
|
|
* This is the RRQ-timer timeout handler registered to the lpfc driver. When
|
|
* this timer fires, a RRQ timeout event shall be posted to the lpfc driver
|
|
* work-port-events bitmap and the worker thread is notified. This timeout
|
|
* event will be used by the worker thread to invoke the actual timeout
|
|
* handler routine, lpfc_rrq_handler. Any periodical operations will
|
|
* be performed in the timeout handler and the RRQ timeout event bit shall
|
|
* be cleared by the worker thread after it has taken the event bitmap out.
|
|
**/
|
|
static void
|
|
lpfc_rrq_timeout(unsigned long ptr)
|
|
{
|
|
struct lpfc_hba *phba;
|
|
unsigned long iflag;
|
|
|
|
phba = (struct lpfc_hba *)ptr;
|
|
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
|
|
if (!(phba->pport->load_flag & FC_UNLOADING))
|
|
phba->hba_flag |= HBA_RRQ_ACTIVE;
|
|
else
|
|
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
|
|
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
|
|
|
|
if (!(phba->pport->load_flag & FC_UNLOADING))
|
|
lpfc_worker_wake_up(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @pmboxq: pointer to the driver internal queue element for mailbox command.
|
|
*
|
|
* This is the callback function to the lpfc heart-beat mailbox command.
|
|
* If configured, the lpfc driver issues the heart-beat mailbox command to
|
|
* the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
|
|
* heart-beat mailbox command is issued, the driver shall set up heart-beat
|
|
* timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
|
|
* heart-beat outstanding state. Once the mailbox command comes back and
|
|
* no error conditions detected, the heart-beat mailbox command timer is
|
|
* reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
|
|
* state is cleared for the next heart-beat. If the timer expired with the
|
|
* heart-beat outstanding state set, the driver will put the HBA offline.
|
|
**/
|
|
static void
|
|
lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
|
|
{
|
|
unsigned long drvr_flag;
|
|
|
|
spin_lock_irqsave(&phba->hbalock, drvr_flag);
|
|
phba->hb_outstanding = 0;
|
|
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
|
|
|
|
/* Check and reset heart-beat timer is necessary */
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
|
|
!(phba->link_state == LPFC_HBA_ERROR) &&
|
|
!(phba->pport->load_flag & FC_UNLOADING))
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hb_timeout_handler - The HBA-timer timeout handler
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This is the actual HBA-timer timeout handler to be invoked by the worker
|
|
* thread whenever the HBA timer fired and HBA-timeout event posted. This
|
|
* handler performs any periodic operations needed for the device. If such
|
|
* periodic event has already been attended to either in the interrupt handler
|
|
* or by processing slow-ring or fast-ring events within the HBA-timer
|
|
* timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
|
|
* the timer for the next timeout period. If lpfc heart-beat mailbox command
|
|
* is configured and there is no heart-beat mailbox command outstanding, a
|
|
* heart-beat mailbox is issued and timer set properly. Otherwise, if there
|
|
* has been a heart-beat mailbox command outstanding, the HBA shall be put
|
|
* to offline.
|
|
**/
|
|
void
|
|
lpfc_hb_timeout_handler(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport **vports;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
struct lpfc_dmabuf *buf_ptr;
|
|
int retval, i;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
LIST_HEAD(completions);
|
|
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
|
|
lpfc_rcv_seq_check_edtov(vports[i]);
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
|
|
if ((phba->link_state == LPFC_HBA_ERROR) ||
|
|
(phba->pport->load_flag & FC_UNLOADING) ||
|
|
(phba->pport->fc_flag & FC_OFFLINE_MODE))
|
|
return;
|
|
|
|
spin_lock_irq(&phba->pport->work_port_lock);
|
|
|
|
if (time_after(phba->last_completion_time +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
|
|
jiffies)) {
|
|
spin_unlock_irq(&phba->pport->work_port_lock);
|
|
if (!phba->hb_outstanding)
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
|
|
else
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
|
|
return;
|
|
}
|
|
spin_unlock_irq(&phba->pport->work_port_lock);
|
|
|
|
if (phba->elsbuf_cnt &&
|
|
(phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_splice_init(&phba->elsbuf, &completions);
|
|
phba->elsbuf_cnt = 0;
|
|
phba->elsbuf_prev_cnt = 0;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
while (!list_empty(&completions)) {
|
|
list_remove_head(&completions, buf_ptr,
|
|
struct lpfc_dmabuf, list);
|
|
lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
|
|
kfree(buf_ptr);
|
|
}
|
|
}
|
|
phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
|
|
|
|
/* If there is no heart beat outstanding, issue a heartbeat command */
|
|
if (phba->cfg_enable_hba_heartbeat) {
|
|
if (!phba->hb_outstanding) {
|
|
if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
|
|
(list_empty(&psli->mboxq))) {
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool,
|
|
GFP_KERNEL);
|
|
if (!pmboxq) {
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 *
|
|
LPFC_HB_MBOX_INTERVAL));
|
|
return;
|
|
}
|
|
|
|
lpfc_heart_beat(phba, pmboxq);
|
|
pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
|
|
pmboxq->vport = phba->pport;
|
|
retval = lpfc_sli_issue_mbox(phba, pmboxq,
|
|
MBX_NOWAIT);
|
|
|
|
if (retval != MBX_BUSY &&
|
|
retval != MBX_SUCCESS) {
|
|
mempool_free(pmboxq,
|
|
phba->mbox_mem_pool);
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 *
|
|
LPFC_HB_MBOX_INTERVAL));
|
|
return;
|
|
}
|
|
phba->skipped_hb = 0;
|
|
phba->hb_outstanding = 1;
|
|
} else if (time_before_eq(phba->last_completion_time,
|
|
phba->skipped_hb)) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2857 Last completion time not "
|
|
" updated in %d ms\n",
|
|
jiffies_to_msecs(jiffies
|
|
- phba->last_completion_time));
|
|
} else
|
|
phba->skipped_hb = jiffies;
|
|
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
|
|
return;
|
|
} else {
|
|
/*
|
|
* If heart beat timeout called with hb_outstanding set
|
|
* we need to give the hb mailbox cmd a chance to
|
|
* complete or TMO.
|
|
*/
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0459 Adapter heartbeat still out"
|
|
"standing:last compl time was %d ms.\n",
|
|
jiffies_to_msecs(jiffies
|
|
- phba->last_completion_time));
|
|
mod_timer(&phba->hb_tmofunc,
|
|
jiffies +
|
|
msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_offline_eratt - Bring lpfc offline on hardware error attention
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to bring the HBA offline when HBA hardware error
|
|
* other than Port Error 6 has been detected.
|
|
**/
|
|
static void
|
|
lpfc_offline_eratt(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag &= ~LPFC_SLI_ACTIVE;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
|
|
|
|
lpfc_offline(phba);
|
|
lpfc_reset_barrier(phba);
|
|
spin_lock_irq(&phba->hbalock);
|
|
lpfc_sli_brdreset(phba);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_hba_down_post(phba);
|
|
lpfc_sli_brdready(phba, HS_MBRDY);
|
|
lpfc_unblock_mgmt_io(phba);
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to bring a SLI4 HBA offline when HBA hardware error
|
|
* other than Port Error 6 has been detected.
|
|
**/
|
|
void
|
|
lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
|
|
{
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
|
|
lpfc_offline(phba);
|
|
lpfc_hba_down_post(phba);
|
|
lpfc_unblock_mgmt_io(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to handle the deferred HBA hardware error
|
|
* conditions. This type of error is indicated by HBA by setting ER1
|
|
* and another ER bit in the host status register. The driver will
|
|
* wait until the ER1 bit clears before handling the error condition.
|
|
**/
|
|
static void
|
|
lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
|
|
{
|
|
uint32_t old_host_status = phba->work_hs;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
|
|
/* If the pci channel is offline, ignore possible errors,
|
|
* since we cannot communicate with the pci card anyway.
|
|
*/
|
|
if (pci_channel_offline(phba->pcidev)) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~DEFER_ERATT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0479 Deferred Adapter Hardware Error "
|
|
"Data: x%x x%x x%x\n",
|
|
phba->work_hs,
|
|
phba->work_status[0], phba->work_status[1]);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag &= ~LPFC_SLI_ACTIVE;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
|
|
/*
|
|
* Firmware stops when it triggred erratt. That could cause the I/Os
|
|
* dropped by the firmware. Error iocb (I/O) on txcmplq and let the
|
|
* SCSI layer retry it after re-establishing link.
|
|
*/
|
|
lpfc_sli_abort_fcp_rings(phba);
|
|
|
|
/*
|
|
* There was a firmware error. Take the hba offline and then
|
|
* attempt to restart it.
|
|
*/
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
lpfc_offline(phba);
|
|
|
|
/* Wait for the ER1 bit to clear.*/
|
|
while (phba->work_hs & HS_FFER1) {
|
|
msleep(100);
|
|
if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
|
|
phba->work_hs = UNPLUG_ERR ;
|
|
break;
|
|
}
|
|
/* If driver is unloading let the worker thread continue */
|
|
if (phba->pport->load_flag & FC_UNLOADING) {
|
|
phba->work_hs = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is to ptrotect against a race condition in which
|
|
* first write to the host attention register clear the
|
|
* host status register.
|
|
*/
|
|
if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
|
|
phba->work_hs = old_host_status & ~HS_FFER1;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~DEFER_ERATT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
|
|
phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
|
|
}
|
|
|
|
static void
|
|
lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_board_event_header board_event;
|
|
struct Scsi_Host *shost;
|
|
|
|
board_event.event_type = FC_REG_BOARD_EVENT;
|
|
board_event.subcategory = LPFC_EVENT_PORTINTERR;
|
|
shost = lpfc_shost_from_vport(phba->pport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(board_event),
|
|
(char *) &board_event,
|
|
LPFC_NL_VENDOR_ID);
|
|
}
|
|
|
|
/**
|
|
* lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to handle the following HBA hardware error
|
|
* conditions:
|
|
* 1 - HBA error attention interrupt
|
|
* 2 - DMA ring index out of range
|
|
* 3 - Mailbox command came back as unknown
|
|
**/
|
|
static void
|
|
lpfc_handle_eratt_s3(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
uint32_t event_data;
|
|
unsigned long temperature;
|
|
struct temp_event temp_event_data;
|
|
struct Scsi_Host *shost;
|
|
|
|
/* If the pci channel is offline, ignore possible errors,
|
|
* since we cannot communicate with the pci card anyway.
|
|
*/
|
|
if (pci_channel_offline(phba->pcidev)) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~DEFER_ERATT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return;
|
|
}
|
|
|
|
/* If resets are disabled then leave the HBA alone and return */
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return;
|
|
|
|
/* Send an internal error event to mgmt application */
|
|
lpfc_board_errevt_to_mgmt(phba);
|
|
|
|
if (phba->hba_flag & DEFER_ERATT)
|
|
lpfc_handle_deferred_eratt(phba);
|
|
|
|
if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
|
|
if (phba->work_hs & HS_FFER6)
|
|
/* Re-establishing Link */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
|
|
"1301 Re-establishing Link "
|
|
"Data: x%x x%x x%x\n",
|
|
phba->work_hs, phba->work_status[0],
|
|
phba->work_status[1]);
|
|
if (phba->work_hs & HS_FFER8)
|
|
/* Device Zeroization */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
|
|
"2861 Host Authentication device "
|
|
"zeroization Data:x%x x%x x%x\n",
|
|
phba->work_hs, phba->work_status[0],
|
|
phba->work_status[1]);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag &= ~LPFC_SLI_ACTIVE;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/*
|
|
* Firmware stops when it triggled erratt with HS_FFER6.
|
|
* That could cause the I/Os dropped by the firmware.
|
|
* Error iocb (I/O) on txcmplq and let the SCSI layer
|
|
* retry it after re-establishing link.
|
|
*/
|
|
lpfc_sli_abort_fcp_rings(phba);
|
|
|
|
/*
|
|
* There was a firmware error. Take the hba offline and then
|
|
* attempt to restart it.
|
|
*/
|
|
lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
|
|
lpfc_offline(phba);
|
|
lpfc_sli_brdrestart(phba);
|
|
if (lpfc_online(phba) == 0) { /* Initialize the HBA */
|
|
lpfc_unblock_mgmt_io(phba);
|
|
return;
|
|
}
|
|
lpfc_unblock_mgmt_io(phba);
|
|
} else if (phba->work_hs & HS_CRIT_TEMP) {
|
|
temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
|
|
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
|
|
temp_event_data.event_code = LPFC_CRIT_TEMP;
|
|
temp_event_data.data = (uint32_t)temperature;
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0406 Adapter maximum temperature exceeded "
|
|
"(%ld), taking this port offline "
|
|
"Data: x%x x%x x%x\n",
|
|
temperature, phba->work_hs,
|
|
phba->work_status[0], phba->work_status[1]);
|
|
|
|
shost = lpfc_shost_from_vport(phba->pport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(temp_event_data),
|
|
(char *) &temp_event_data,
|
|
SCSI_NL_VID_TYPE_PCI
|
|
| PCI_VENDOR_ID_EMULEX);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->over_temp_state = HBA_OVER_TEMP;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_offline_eratt(phba);
|
|
|
|
} else {
|
|
/* The if clause above forces this code path when the status
|
|
* failure is a value other than FFER6. Do not call the offline
|
|
* twice. This is the adapter hardware error path.
|
|
*/
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0457 Adapter Hardware Error "
|
|
"Data: x%x x%x x%x\n",
|
|
phba->work_hs,
|
|
phba->work_status[0], phba->work_status[1]);
|
|
|
|
event_data = FC_REG_DUMP_EVENT;
|
|
shost = lpfc_shost_from_vport(vport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(event_data), (char *) &event_data,
|
|
SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
|
|
|
|
lpfc_offline_eratt(phba);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @mbx_action: flag for mailbox shutdown action.
|
|
*
|
|
* This routine is invoked to perform an SLI4 port PCI function reset in
|
|
* response to port status register polling attention. It waits for port
|
|
* status register (ERR, RDY, RN) bits before proceeding with function reset.
|
|
* During this process, interrupt vectors are freed and later requested
|
|
* for handling possible port resource change.
|
|
**/
|
|
static int
|
|
lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
|
|
bool en_rn_msg)
|
|
{
|
|
int rc;
|
|
uint32_t intr_mode;
|
|
|
|
/*
|
|
* On error status condition, driver need to wait for port
|
|
* ready before performing reset.
|
|
*/
|
|
rc = lpfc_sli4_pdev_status_reg_wait(phba);
|
|
if (!rc) {
|
|
/* need reset: attempt for port recovery */
|
|
if (en_rn_msg)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2887 Reset Needed: Attempting Port "
|
|
"Recovery...\n");
|
|
lpfc_offline_prep(phba, mbx_action);
|
|
lpfc_offline(phba);
|
|
/* release interrupt for possible resource change */
|
|
lpfc_sli4_disable_intr(phba);
|
|
lpfc_sli_brdrestart(phba);
|
|
/* request and enable interrupt */
|
|
intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3175 Failed to enable interrupt\n");
|
|
return -EIO;
|
|
} else {
|
|
phba->intr_mode = intr_mode;
|
|
}
|
|
rc = lpfc_online(phba);
|
|
if (rc == 0)
|
|
lpfc_unblock_mgmt_io(phba);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to handle the SLI4 HBA hardware error attention
|
|
* conditions.
|
|
**/
|
|
static void
|
|
lpfc_handle_eratt_s4(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
uint32_t event_data;
|
|
struct Scsi_Host *shost;
|
|
uint32_t if_type;
|
|
struct lpfc_register portstat_reg = {0};
|
|
uint32_t reg_err1, reg_err2;
|
|
uint32_t uerrlo_reg, uemasklo_reg;
|
|
uint32_t pci_rd_rc1, pci_rd_rc2;
|
|
bool en_rn_msg = true;
|
|
struct temp_event temp_event_data;
|
|
int rc;
|
|
|
|
/* If the pci channel is offline, ignore possible errors, since
|
|
* we cannot communicate with the pci card anyway.
|
|
*/
|
|
if (pci_channel_offline(phba->pcidev))
|
|
return;
|
|
|
|
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
pci_rd_rc1 = lpfc_readl(
|
|
phba->sli4_hba.u.if_type0.UERRLOregaddr,
|
|
&uerrlo_reg);
|
|
pci_rd_rc2 = lpfc_readl(
|
|
phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
|
|
&uemasklo_reg);
|
|
/* consider PCI bus read error as pci_channel_offline */
|
|
if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
|
|
return;
|
|
lpfc_sli4_offline_eratt(phba);
|
|
break;
|
|
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
pci_rd_rc1 = lpfc_readl(
|
|
phba->sli4_hba.u.if_type2.STATUSregaddr,
|
|
&portstat_reg.word0);
|
|
/* consider PCI bus read error as pci_channel_offline */
|
|
if (pci_rd_rc1 == -EIO) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3151 PCI bus read access failure: x%x\n",
|
|
readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
|
|
return;
|
|
}
|
|
reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
|
|
reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
|
|
if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2889 Port Overtemperature event, "
|
|
"taking port offline Data: x%x x%x\n",
|
|
reg_err1, reg_err2);
|
|
|
|
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
|
|
temp_event_data.event_code = LPFC_CRIT_TEMP;
|
|
temp_event_data.data = 0xFFFFFFFF;
|
|
|
|
shost = lpfc_shost_from_vport(phba->pport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(temp_event_data),
|
|
(char *)&temp_event_data,
|
|
SCSI_NL_VID_TYPE_PCI
|
|
| PCI_VENDOR_ID_EMULEX);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->over_temp_state = HBA_OVER_TEMP;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_sli4_offline_eratt(phba);
|
|
return;
|
|
}
|
|
if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
|
|
reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3143 Port Down: Firmware Update "
|
|
"Detected\n");
|
|
en_rn_msg = false;
|
|
} else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
|
|
reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3144 Port Down: Debug Dump\n");
|
|
else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
|
|
reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3145 Port Down: Provisioning\n");
|
|
|
|
/* If resets are disabled then leave the HBA alone and return */
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return;
|
|
|
|
/* Check port status register for function reset */
|
|
rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
|
|
en_rn_msg);
|
|
if (rc == 0) {
|
|
/* don't report event on forced debug dump */
|
|
if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
|
|
reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
|
|
return;
|
|
else
|
|
break;
|
|
}
|
|
/* fall through for not able to recover */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3152 Unrecoverable error, bring the port "
|
|
"offline\n");
|
|
lpfc_sli4_offline_eratt(phba);
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
break;
|
|
}
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"3123 Report dump event to upper layer\n");
|
|
/* Send an internal error event to mgmt application */
|
|
lpfc_board_errevt_to_mgmt(phba);
|
|
|
|
event_data = FC_REG_DUMP_EVENT;
|
|
shost = lpfc_shost_from_vport(vport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(event_data), (char *) &event_data,
|
|
SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
|
|
}
|
|
|
|
/**
|
|
* lpfc_handle_eratt - Wrapper func for handling hba error attention
|
|
* @phba: pointer to lpfc HBA data structure.
|
|
*
|
|
* This routine wraps the actual SLI3 or SLI4 hba error attention handling
|
|
* routine from the API jump table function pointer from the lpfc_hba struct.
|
|
*
|
|
* Return codes
|
|
* 0 - success.
|
|
* Any other value - error.
|
|
**/
|
|
void
|
|
lpfc_handle_eratt(struct lpfc_hba *phba)
|
|
{
|
|
(*phba->lpfc_handle_eratt)(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_handle_latt - The HBA link event handler
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked from the worker thread to handle a HBA host
|
|
* attention link event.
|
|
**/
|
|
void
|
|
lpfc_handle_latt(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
LPFC_MBOXQ_t *pmb;
|
|
volatile uint32_t control;
|
|
struct lpfc_dmabuf *mp;
|
|
int rc = 0;
|
|
|
|
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
rc = 1;
|
|
goto lpfc_handle_latt_err_exit;
|
|
}
|
|
|
|
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!mp) {
|
|
rc = 2;
|
|
goto lpfc_handle_latt_free_pmb;
|
|
}
|
|
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp->virt) {
|
|
rc = 3;
|
|
goto lpfc_handle_latt_free_mp;
|
|
}
|
|
|
|
/* Cleanup any outstanding ELS commands */
|
|
lpfc_els_flush_all_cmd(phba);
|
|
|
|
psli->slistat.link_event++;
|
|
lpfc_read_topology(phba, pmb, mp);
|
|
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
|
|
pmb->vport = vport;
|
|
/* Block ELS IOCBs until we have processed this mbox command */
|
|
phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
|
|
rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
|
|
if (rc == MBX_NOT_FINISHED) {
|
|
rc = 4;
|
|
goto lpfc_handle_latt_free_mbuf;
|
|
}
|
|
|
|
/* Clear Link Attention in HA REG */
|
|
spin_lock_irq(&phba->hbalock);
|
|
writel(HA_LATT, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
return;
|
|
|
|
lpfc_handle_latt_free_mbuf:
|
|
phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
|
|
lpfc_mbuf_free(phba, mp->virt, mp->phys);
|
|
lpfc_handle_latt_free_mp:
|
|
kfree(mp);
|
|
lpfc_handle_latt_free_pmb:
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
lpfc_handle_latt_err_exit:
|
|
/* Enable Link attention interrupts */
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag |= LPFC_PROCESS_LA;
|
|
control = readl(phba->HCregaddr);
|
|
control |= HC_LAINT_ENA;
|
|
writel(control, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
|
|
/* Clear Link Attention in HA REG */
|
|
writel(HA_LATT, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_linkdown(phba);
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
|
|
"0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_parse_vpd - Parse VPD (Vital Product Data)
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @vpd: pointer to the vital product data.
|
|
* @len: length of the vital product data in bytes.
|
|
*
|
|
* This routine parses the Vital Product Data (VPD). The VPD is treated as
|
|
* an array of characters. In this routine, the ModelName, ProgramType, and
|
|
* ModelDesc, etc. fields of the phba data structure will be populated.
|
|
*
|
|
* Return codes
|
|
* 0 - pointer to the VPD passed in is NULL
|
|
* 1 - success
|
|
**/
|
|
int
|
|
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
|
|
{
|
|
uint8_t lenlo, lenhi;
|
|
int Length;
|
|
int i, j;
|
|
int finished = 0;
|
|
int index = 0;
|
|
|
|
if (!vpd)
|
|
return 0;
|
|
|
|
/* Vital Product */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0455 Vital Product Data: x%x x%x x%x x%x\n",
|
|
(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
|
|
(uint32_t) vpd[3]);
|
|
while (!finished && (index < (len - 4))) {
|
|
switch (vpd[index]) {
|
|
case 0x82:
|
|
case 0x91:
|
|
index += 1;
|
|
lenlo = vpd[index];
|
|
index += 1;
|
|
lenhi = vpd[index];
|
|
index += 1;
|
|
i = ((((unsigned short)lenhi) << 8) + lenlo);
|
|
index += i;
|
|
break;
|
|
case 0x90:
|
|
index += 1;
|
|
lenlo = vpd[index];
|
|
index += 1;
|
|
lenhi = vpd[index];
|
|
index += 1;
|
|
Length = ((((unsigned short)lenhi) << 8) + lenlo);
|
|
if (Length > len - index)
|
|
Length = len - index;
|
|
while (Length > 0) {
|
|
/* Look for Serial Number */
|
|
if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
j = 0;
|
|
Length -= (3+i);
|
|
while(i--) {
|
|
phba->SerialNumber[j++] = vpd[index++];
|
|
if (j == 31)
|
|
break;
|
|
}
|
|
phba->SerialNumber[j] = 0;
|
|
continue;
|
|
}
|
|
else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
|
|
phba->vpd_flag |= VPD_MODEL_DESC;
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
j = 0;
|
|
Length -= (3+i);
|
|
while(i--) {
|
|
phba->ModelDesc[j++] = vpd[index++];
|
|
if (j == 255)
|
|
break;
|
|
}
|
|
phba->ModelDesc[j] = 0;
|
|
continue;
|
|
}
|
|
else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
|
|
phba->vpd_flag |= VPD_MODEL_NAME;
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
j = 0;
|
|
Length -= (3+i);
|
|
while(i--) {
|
|
phba->ModelName[j++] = vpd[index++];
|
|
if (j == 79)
|
|
break;
|
|
}
|
|
phba->ModelName[j] = 0;
|
|
continue;
|
|
}
|
|
else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
|
|
phba->vpd_flag |= VPD_PROGRAM_TYPE;
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
j = 0;
|
|
Length -= (3+i);
|
|
while(i--) {
|
|
phba->ProgramType[j++] = vpd[index++];
|
|
if (j == 255)
|
|
break;
|
|
}
|
|
phba->ProgramType[j] = 0;
|
|
continue;
|
|
}
|
|
else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
|
|
phba->vpd_flag |= VPD_PORT;
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
j = 0;
|
|
Length -= (3+i);
|
|
while(i--) {
|
|
if ((phba->sli_rev == LPFC_SLI_REV4) &&
|
|
(phba->sli4_hba.pport_name_sta ==
|
|
LPFC_SLI4_PPNAME_GET)) {
|
|
j++;
|
|
index++;
|
|
} else
|
|
phba->Port[j++] = vpd[index++];
|
|
if (j == 19)
|
|
break;
|
|
}
|
|
if ((phba->sli_rev != LPFC_SLI_REV4) ||
|
|
(phba->sli4_hba.pport_name_sta ==
|
|
LPFC_SLI4_PPNAME_NON))
|
|
phba->Port[j] = 0;
|
|
continue;
|
|
}
|
|
else {
|
|
index += 2;
|
|
i = vpd[index];
|
|
index += 1;
|
|
index += i;
|
|
Length -= (3 + i);
|
|
}
|
|
}
|
|
finished = 0;
|
|
break;
|
|
case 0x78:
|
|
finished = 1;
|
|
break;
|
|
default:
|
|
index ++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_hba_model_desc - Retrieve HBA device model name and description
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @mdp: pointer to the data structure to hold the derived model name.
|
|
* @descp: pointer to the data structure to hold the derived description.
|
|
*
|
|
* This routine retrieves HBA's description based on its registered PCI device
|
|
* ID. The @descp passed into this function points to an array of 256 chars. It
|
|
* shall be returned with the model name, maximum speed, and the host bus type.
|
|
* The @mdp passed into this function points to an array of 80 chars. When the
|
|
* function returns, the @mdp will be filled with the model name.
|
|
**/
|
|
static void
|
|
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
|
|
{
|
|
lpfc_vpd_t *vp;
|
|
uint16_t dev_id = phba->pcidev->device;
|
|
int max_speed;
|
|
int GE = 0;
|
|
int oneConnect = 0; /* default is not a oneConnect */
|
|
struct {
|
|
char *name;
|
|
char *bus;
|
|
char *function;
|
|
} m = {"<Unknown>", "", ""};
|
|
|
|
if (mdp && mdp[0] != '\0'
|
|
&& descp && descp[0] != '\0')
|
|
return;
|
|
|
|
if (phba->lmt & LMT_32Gb)
|
|
max_speed = 32;
|
|
else if (phba->lmt & LMT_16Gb)
|
|
max_speed = 16;
|
|
else if (phba->lmt & LMT_10Gb)
|
|
max_speed = 10;
|
|
else if (phba->lmt & LMT_8Gb)
|
|
max_speed = 8;
|
|
else if (phba->lmt & LMT_4Gb)
|
|
max_speed = 4;
|
|
else if (phba->lmt & LMT_2Gb)
|
|
max_speed = 2;
|
|
else if (phba->lmt & LMT_1Gb)
|
|
max_speed = 1;
|
|
else
|
|
max_speed = 0;
|
|
|
|
vp = &phba->vpd;
|
|
|
|
switch (dev_id) {
|
|
case PCI_DEVICE_ID_FIREFLY:
|
|
m = (typeof(m)){"LP6000", "PCI",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SUPERFLY:
|
|
if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
|
|
m = (typeof(m)){"LP7000", "PCI", ""};
|
|
else
|
|
m = (typeof(m)){"LP7000E", "PCI", ""};
|
|
m.function = "Obsolete, Unsupported Fibre Channel Adapter";
|
|
break;
|
|
case PCI_DEVICE_ID_DRAGONFLY:
|
|
m = (typeof(m)){"LP8000", "PCI",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_CENTAUR:
|
|
if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
|
|
m = (typeof(m)){"LP9002", "PCI", ""};
|
|
else
|
|
m = (typeof(m)){"LP9000", "PCI", ""};
|
|
m.function = "Obsolete, Unsupported Fibre Channel Adapter";
|
|
break;
|
|
case PCI_DEVICE_ID_RFLY:
|
|
m = (typeof(m)){"LP952", "PCI",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_PEGASUS:
|
|
m = (typeof(m)){"LP9802", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_THOR:
|
|
m = (typeof(m)){"LP10000", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_VIPER:
|
|
m = (typeof(m)){"LPX1000", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_PFLY:
|
|
m = (typeof(m)){"LP982", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_TFLY:
|
|
m = (typeof(m)){"LP1050", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_HELIOS:
|
|
m = (typeof(m)){"LP11000", "PCI-X2",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_HELIOS_SCSP:
|
|
m = (typeof(m)){"LP11000-SP", "PCI-X2",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_HELIOS_DCSP:
|
|
m = (typeof(m)){"LP11002-SP", "PCI-X2",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_NEPTUNE:
|
|
m = (typeof(m)){"LPe1000", "PCIe",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_NEPTUNE_SCSP:
|
|
m = (typeof(m)){"LPe1000-SP", "PCIe",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_NEPTUNE_DCSP:
|
|
m = (typeof(m)){"LPe1002-SP", "PCIe",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_BMID:
|
|
m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_BSMB:
|
|
m = (typeof(m)){"LP111", "PCI-X2",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_ZEPHYR:
|
|
m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_ZEPHYR_SCSP:
|
|
m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_ZEPHYR_DCSP:
|
|
m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
|
|
GE = 1;
|
|
break;
|
|
case PCI_DEVICE_ID_ZMID:
|
|
m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_ZSMB:
|
|
m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LP101:
|
|
m = (typeof(m)){"LP101", "PCI-X",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LP10000S:
|
|
m = (typeof(m)){"LP10000-S", "PCI",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LP11000S:
|
|
m = (typeof(m)){"LP11000-S", "PCI-X2",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LPE11000S:
|
|
m = (typeof(m)){"LPe11000-S", "PCIe",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT:
|
|
m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT_MID:
|
|
m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT_SMB:
|
|
m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT_DCSP:
|
|
m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT_SCSP:
|
|
m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SAT_S:
|
|
m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_HORNET:
|
|
m = (typeof(m)){"LP21000", "PCIe",
|
|
"Obsolete, Unsupported FCoE Adapter"};
|
|
GE = 1;
|
|
break;
|
|
case PCI_DEVICE_ID_PROTEUS_VF:
|
|
m = (typeof(m)){"LPev12000", "PCIe IOV",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_PROTEUS_PF:
|
|
m = (typeof(m)){"LPev12000", "PCIe IOV",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_PROTEUS_S:
|
|
m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_TIGERSHARK:
|
|
oneConnect = 1;
|
|
m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
|
|
break;
|
|
case PCI_DEVICE_ID_TOMCAT:
|
|
oneConnect = 1;
|
|
m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
|
|
break;
|
|
case PCI_DEVICE_ID_FALCON:
|
|
m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
|
|
"EmulexSecure Fibre"};
|
|
break;
|
|
case PCI_DEVICE_ID_BALIUS:
|
|
m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LANCER_FC:
|
|
m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LANCER_FC_VF:
|
|
m = (typeof(m)){"LPe16000", "PCIe",
|
|
"Obsolete, Unsupported Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_LANCER_FCOE:
|
|
oneConnect = 1;
|
|
m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
|
|
break;
|
|
case PCI_DEVICE_ID_LANCER_FCOE_VF:
|
|
oneConnect = 1;
|
|
m = (typeof(m)){"OCe15100", "PCIe",
|
|
"Obsolete, Unsupported FCoE"};
|
|
break;
|
|
case PCI_DEVICE_ID_LANCER_G6_FC:
|
|
m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"};
|
|
break;
|
|
case PCI_DEVICE_ID_SKYHAWK:
|
|
case PCI_DEVICE_ID_SKYHAWK_VF:
|
|
oneConnect = 1;
|
|
m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
|
|
break;
|
|
default:
|
|
m = (typeof(m)){"Unknown", "", ""};
|
|
break;
|
|
}
|
|
|
|
if (mdp && mdp[0] == '\0')
|
|
snprintf(mdp, 79,"%s", m.name);
|
|
/*
|
|
* oneConnect hba requires special processing, they are all initiators
|
|
* and we put the port number on the end
|
|
*/
|
|
if (descp && descp[0] == '\0') {
|
|
if (oneConnect)
|
|
snprintf(descp, 255,
|
|
"Emulex OneConnect %s, %s Initiator %s",
|
|
m.name, m.function,
|
|
phba->Port);
|
|
else if (max_speed == 0)
|
|
snprintf(descp, 255,
|
|
"Emulex %s %s %s",
|
|
m.name, m.bus, m.function);
|
|
else
|
|
snprintf(descp, 255,
|
|
"Emulex %s %d%s %s %s",
|
|
m.name, max_speed, (GE) ? "GE" : "Gb",
|
|
m.bus, m.function);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @pring: pointer to a IOCB ring.
|
|
* @cnt: the number of IOCBs to be posted to the IOCB ring.
|
|
*
|
|
* This routine posts a given number of IOCBs with the associated DMA buffer
|
|
* descriptors specified by the cnt argument to the given IOCB ring.
|
|
*
|
|
* Return codes
|
|
* The number of IOCBs NOT able to be posted to the IOCB ring.
|
|
**/
|
|
int
|
|
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
|
|
{
|
|
IOCB_t *icmd;
|
|
struct lpfc_iocbq *iocb;
|
|
struct lpfc_dmabuf *mp1, *mp2;
|
|
|
|
cnt += pring->missbufcnt;
|
|
|
|
/* While there are buffers to post */
|
|
while (cnt > 0) {
|
|
/* Allocate buffer for command iocb */
|
|
iocb = lpfc_sli_get_iocbq(phba);
|
|
if (iocb == NULL) {
|
|
pring->missbufcnt = cnt;
|
|
return cnt;
|
|
}
|
|
icmd = &iocb->iocb;
|
|
|
|
/* 2 buffers can be posted per command */
|
|
/* Allocate buffer to post */
|
|
mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (mp1)
|
|
mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
|
|
if (!mp1 || !mp1->virt) {
|
|
kfree(mp1);
|
|
lpfc_sli_release_iocbq(phba, iocb);
|
|
pring->missbufcnt = cnt;
|
|
return cnt;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&mp1->list);
|
|
/* Allocate buffer to post */
|
|
if (cnt > 1) {
|
|
mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (mp2)
|
|
mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
|
|
&mp2->phys);
|
|
if (!mp2 || !mp2->virt) {
|
|
kfree(mp2);
|
|
lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
|
|
kfree(mp1);
|
|
lpfc_sli_release_iocbq(phba, iocb);
|
|
pring->missbufcnt = cnt;
|
|
return cnt;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&mp2->list);
|
|
} else {
|
|
mp2 = NULL;
|
|
}
|
|
|
|
icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
|
|
icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
|
|
icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
|
|
icmd->ulpBdeCount = 1;
|
|
cnt--;
|
|
if (mp2) {
|
|
icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
|
|
icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
|
|
icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
|
|
cnt--;
|
|
icmd->ulpBdeCount = 2;
|
|
}
|
|
|
|
icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
|
|
icmd->ulpLe = 1;
|
|
|
|
if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
|
|
IOCB_ERROR) {
|
|
lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
|
|
kfree(mp1);
|
|
cnt++;
|
|
if (mp2) {
|
|
lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
|
|
kfree(mp2);
|
|
cnt++;
|
|
}
|
|
lpfc_sli_release_iocbq(phba, iocb);
|
|
pring->missbufcnt = cnt;
|
|
return cnt;
|
|
}
|
|
lpfc_sli_ringpostbuf_put(phba, pring, mp1);
|
|
if (mp2)
|
|
lpfc_sli_ringpostbuf_put(phba, pring, mp2);
|
|
}
|
|
pring->missbufcnt = 0;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine posts initial receive IOCB buffers to the ELS ring. The
|
|
* current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
|
|
* set to 64 IOCBs.
|
|
*
|
|
* Return codes
|
|
* 0 - success (currently always success)
|
|
**/
|
|
static int
|
|
lpfc_post_rcv_buf(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
|
|
/* Ring 0, ELS / CT buffers */
|
|
lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
|
|
/* Ring 2 - FCP no buffers needed */
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
|
|
|
|
/**
|
|
* lpfc_sha_init - Set up initial array of hash table entries
|
|
* @HashResultPointer: pointer to an array as hash table.
|
|
*
|
|
* This routine sets up the initial values to the array of hash table entries
|
|
* for the LC HBAs.
|
|
**/
|
|
static void
|
|
lpfc_sha_init(uint32_t * HashResultPointer)
|
|
{
|
|
HashResultPointer[0] = 0x67452301;
|
|
HashResultPointer[1] = 0xEFCDAB89;
|
|
HashResultPointer[2] = 0x98BADCFE;
|
|
HashResultPointer[3] = 0x10325476;
|
|
HashResultPointer[4] = 0xC3D2E1F0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sha_iterate - Iterate initial hash table with the working hash table
|
|
* @HashResultPointer: pointer to an initial/result hash table.
|
|
* @HashWorkingPointer: pointer to an working hash table.
|
|
*
|
|
* This routine iterates an initial hash table pointed by @HashResultPointer
|
|
* with the values from the working hash table pointeed by @HashWorkingPointer.
|
|
* The results are putting back to the initial hash table, returned through
|
|
* the @HashResultPointer as the result hash table.
|
|
**/
|
|
static void
|
|
lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
|
|
{
|
|
int t;
|
|
uint32_t TEMP;
|
|
uint32_t A, B, C, D, E;
|
|
t = 16;
|
|
do {
|
|
HashWorkingPointer[t] =
|
|
S(1,
|
|
HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
|
|
8] ^
|
|
HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
|
|
} while (++t <= 79);
|
|
t = 0;
|
|
A = HashResultPointer[0];
|
|
B = HashResultPointer[1];
|
|
C = HashResultPointer[2];
|
|
D = HashResultPointer[3];
|
|
E = HashResultPointer[4];
|
|
|
|
do {
|
|
if (t < 20) {
|
|
TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
|
|
} else if (t < 40) {
|
|
TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
|
|
} else if (t < 60) {
|
|
TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
|
|
} else {
|
|
TEMP = (B ^ C ^ D) + 0xCA62C1D6;
|
|
}
|
|
TEMP += S(5, A) + E + HashWorkingPointer[t];
|
|
E = D;
|
|
D = C;
|
|
C = S(30, B);
|
|
B = A;
|
|
A = TEMP;
|
|
} while (++t <= 79);
|
|
|
|
HashResultPointer[0] += A;
|
|
HashResultPointer[1] += B;
|
|
HashResultPointer[2] += C;
|
|
HashResultPointer[3] += D;
|
|
HashResultPointer[4] += E;
|
|
|
|
}
|
|
|
|
/**
|
|
* lpfc_challenge_key - Create challenge key based on WWPN of the HBA
|
|
* @RandomChallenge: pointer to the entry of host challenge random number array.
|
|
* @HashWorking: pointer to the entry of the working hash array.
|
|
*
|
|
* This routine calculates the working hash array referred by @HashWorking
|
|
* from the challenge random numbers associated with the host, referred by
|
|
* @RandomChallenge. The result is put into the entry of the working hash
|
|
* array and returned by reference through @HashWorking.
|
|
**/
|
|
static void
|
|
lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
|
|
{
|
|
*HashWorking = (*RandomChallenge ^ *HashWorking);
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_init - Perform special handling for LC HBA initialization
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @hbainit: pointer to an array of unsigned 32-bit integers.
|
|
*
|
|
* This routine performs the special handling for LC HBA initialization.
|
|
**/
|
|
void
|
|
lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
|
|
{
|
|
int t;
|
|
uint32_t *HashWorking;
|
|
uint32_t *pwwnn = (uint32_t *) phba->wwnn;
|
|
|
|
HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
|
|
if (!HashWorking)
|
|
return;
|
|
|
|
HashWorking[0] = HashWorking[78] = *pwwnn++;
|
|
HashWorking[1] = HashWorking[79] = *pwwnn;
|
|
|
|
for (t = 0; t < 7; t++)
|
|
lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
|
|
|
|
lpfc_sha_init(hbainit);
|
|
lpfc_sha_iterate(hbainit, HashWorking);
|
|
kfree(HashWorking);
|
|
}
|
|
|
|
/**
|
|
* lpfc_cleanup - Performs vport cleanups before deleting a vport
|
|
* @vport: pointer to a virtual N_Port data structure.
|
|
*
|
|
* This routine performs the necessary cleanups before deleting the @vport.
|
|
* It invokes the discovery state machine to perform necessary state
|
|
* transitions and to release the ndlps associated with the @vport. Note,
|
|
* the physical port is treated as @vport 0.
|
|
**/
|
|
void
|
|
lpfc_cleanup(struct lpfc_vport *vport)
|
|
{
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct lpfc_nodelist *ndlp, *next_ndlp;
|
|
int i = 0;
|
|
|
|
if (phba->link_state > LPFC_LINK_DOWN)
|
|
lpfc_port_link_failure(vport);
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
|
|
if (!NLP_CHK_NODE_ACT(ndlp)) {
|
|
ndlp = lpfc_enable_node(vport, ndlp,
|
|
NLP_STE_UNUSED_NODE);
|
|
if (!ndlp)
|
|
continue;
|
|
spin_lock_irq(&phba->ndlp_lock);
|
|
NLP_SET_FREE_REQ(ndlp);
|
|
spin_unlock_irq(&phba->ndlp_lock);
|
|
/* Trigger the release of the ndlp memory */
|
|
lpfc_nlp_put(ndlp);
|
|
continue;
|
|
}
|
|
spin_lock_irq(&phba->ndlp_lock);
|
|
if (NLP_CHK_FREE_REQ(ndlp)) {
|
|
/* The ndlp should not be in memory free mode already */
|
|
spin_unlock_irq(&phba->ndlp_lock);
|
|
continue;
|
|
} else
|
|
/* Indicate request for freeing ndlp memory */
|
|
NLP_SET_FREE_REQ(ndlp);
|
|
spin_unlock_irq(&phba->ndlp_lock);
|
|
|
|
if (vport->port_type != LPFC_PHYSICAL_PORT &&
|
|
ndlp->nlp_DID == Fabric_DID) {
|
|
/* Just free up ndlp with Fabric_DID for vports */
|
|
lpfc_nlp_put(ndlp);
|
|
continue;
|
|
}
|
|
|
|
/* take care of nodes in unused state before the state
|
|
* machine taking action.
|
|
*/
|
|
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
|
|
lpfc_nlp_put(ndlp);
|
|
continue;
|
|
}
|
|
|
|
if (ndlp->nlp_type & NLP_FABRIC)
|
|
lpfc_disc_state_machine(vport, ndlp, NULL,
|
|
NLP_EVT_DEVICE_RECOVERY);
|
|
|
|
lpfc_disc_state_machine(vport, ndlp, NULL,
|
|
NLP_EVT_DEVICE_RM);
|
|
}
|
|
|
|
/* At this point, ALL ndlp's should be gone
|
|
* because of the previous NLP_EVT_DEVICE_RM.
|
|
* Lets wait for this to happen, if needed.
|
|
*/
|
|
while (!list_empty(&vport->fc_nodes)) {
|
|
if (i++ > 3000) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
|
|
"0233 Nodelist not empty\n");
|
|
list_for_each_entry_safe(ndlp, next_ndlp,
|
|
&vport->fc_nodes, nlp_listp) {
|
|
lpfc_printf_vlog(ndlp->vport, KERN_ERR,
|
|
LOG_NODE,
|
|
"0282 did:x%x ndlp:x%p "
|
|
"usgmap:x%x refcnt:%d\n",
|
|
ndlp->nlp_DID, (void *)ndlp,
|
|
ndlp->nlp_usg_map,
|
|
atomic_read(
|
|
&ndlp->kref.refcount));
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* Wait for any activity on ndlps to settle */
|
|
msleep(10);
|
|
}
|
|
lpfc_cleanup_vports_rrqs(vport, NULL);
|
|
}
|
|
|
|
/**
|
|
* lpfc_stop_vport_timers - Stop all the timers associated with a vport
|
|
* @vport: pointer to a virtual N_Port data structure.
|
|
*
|
|
* This routine stops all the timers associated with a @vport. This function
|
|
* is invoked before disabling or deleting a @vport. Note that the physical
|
|
* port is treated as @vport 0.
|
|
**/
|
|
void
|
|
lpfc_stop_vport_timers(struct lpfc_vport *vport)
|
|
{
|
|
del_timer_sync(&vport->els_tmofunc);
|
|
del_timer_sync(&vport->fc_fdmitmo);
|
|
del_timer_sync(&vport->delayed_disc_tmo);
|
|
lpfc_can_disctmo(vport);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine stops the SLI4 FCF rediscover wait timer if it's on. The
|
|
* caller of this routine should already hold the host lock.
|
|
**/
|
|
void
|
|
__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
|
|
{
|
|
/* Clear pending FCF rediscovery wait flag */
|
|
phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
|
|
|
|
/* Now, try to stop the timer */
|
|
del_timer(&phba->fcf.redisc_wait);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine stops the SLI4 FCF rediscover wait timer if it's on. It
|
|
* checks whether the FCF rediscovery wait timer is pending with the host
|
|
* lock held before proceeding with disabling the timer and clearing the
|
|
* wait timer pendig flag.
|
|
**/
|
|
void
|
|
lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
|
|
{
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
|
|
/* FCF rediscovery timer already fired or stopped */
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return;
|
|
}
|
|
__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
|
|
/* Clear failover in progress flags */
|
|
phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_stop_hba_timers - Stop all the timers associated with an HBA
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine stops all the timers associated with a HBA. This function is
|
|
* invoked before either putting a HBA offline or unloading the driver.
|
|
**/
|
|
void
|
|
lpfc_stop_hba_timers(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_stop_vport_timers(phba->pport);
|
|
del_timer_sync(&phba->sli.mbox_tmo);
|
|
del_timer_sync(&phba->fabric_block_timer);
|
|
del_timer_sync(&phba->eratt_poll);
|
|
del_timer_sync(&phba->hb_tmofunc);
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
del_timer_sync(&phba->rrq_tmr);
|
|
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
|
|
}
|
|
phba->hb_outstanding = 0;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
/* Stop any LightPulse device specific driver timers */
|
|
del_timer_sync(&phba->fcp_poll_timer);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
/* Stop any OneConnect device sepcific driver timers */
|
|
lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0297 Invalid device group (x%x)\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine marks a HBA's management interface as blocked. Once the HBA's
|
|
* management interface is marked as blocked, all the user space access to
|
|
* the HBA, whether they are from sysfs interface or libdfc interface will
|
|
* all be blocked. The HBA is set to block the management interface when the
|
|
* driver prepares the HBA interface for online or offline.
|
|
**/
|
|
static void
|
|
lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
|
|
{
|
|
unsigned long iflag;
|
|
uint8_t actcmd = MBX_HEARTBEAT;
|
|
unsigned long timeout;
|
|
|
|
spin_lock_irqsave(&phba->hbalock, iflag);
|
|
phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
|
|
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
|
if (mbx_action == LPFC_MBX_NO_WAIT)
|
|
return;
|
|
timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
|
|
spin_lock_irqsave(&phba->hbalock, iflag);
|
|
if (phba->sli.mbox_active) {
|
|
actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
|
|
/* Determine how long we might wait for the active mailbox
|
|
* command to be gracefully completed by firmware.
|
|
*/
|
|
timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
|
|
phba->sli.mbox_active) * 1000) + jiffies;
|
|
}
|
|
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
|
|
|
/* Wait for the outstnading mailbox command to complete */
|
|
while (phba->sli.mbox_active) {
|
|
/* Check active mailbox complete status every 2ms */
|
|
msleep(2);
|
|
if (time_after(jiffies, timeout)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2813 Mgmt IO is Blocked %x "
|
|
"- mbox cmd %x still active\n",
|
|
phba->sli.sli_flag, actcmd);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_node_prep - Assign RPIs for active nodes.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* Allocate RPIs for all active remote nodes. This is needed whenever
|
|
* an SLI4 adapter is reset and the driver is not unloading. Its purpose
|
|
* is to fixup the temporary rpi assignments.
|
|
**/
|
|
void
|
|
lpfc_sli4_node_prep(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_nodelist *ndlp, *next_ndlp;
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
|
|
if (phba->sli_rev != LPFC_SLI_REV4)
|
|
return;
|
|
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL) {
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
if (vports[i]->load_flag & FC_UNLOADING)
|
|
continue;
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp,
|
|
&vports[i]->fc_nodes,
|
|
nlp_listp) {
|
|
if (NLP_CHK_NODE_ACT(ndlp)) {
|
|
ndlp->nlp_rpi =
|
|
lpfc_sli4_alloc_rpi(phba);
|
|
lpfc_printf_vlog(ndlp->vport, KERN_INFO,
|
|
LOG_NODE,
|
|
"0009 rpi:%x DID:%x "
|
|
"flg:%x map:%x %p\n",
|
|
ndlp->nlp_rpi,
|
|
ndlp->nlp_DID,
|
|
ndlp->nlp_flag,
|
|
ndlp->nlp_usg_map,
|
|
ndlp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
}
|
|
|
|
/**
|
|
* lpfc_online - Initialize and bring a HBA online
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine initializes the HBA and brings a HBA online. During this
|
|
* process, the management interface is blocked to prevent user space access
|
|
* to the HBA interfering with the driver initialization.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* 1 - failed
|
|
**/
|
|
int
|
|
lpfc_online(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport;
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
bool vpis_cleared = false;
|
|
|
|
if (!phba)
|
|
return 0;
|
|
vport = phba->pport;
|
|
|
|
if (!(vport->fc_flag & FC_OFFLINE_MODE))
|
|
return 0;
|
|
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0458 Bring Adapter online\n");
|
|
|
|
lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
|
|
|
|
if (!lpfc_sli_queue_setup(phba)) {
|
|
lpfc_unblock_mgmt_io(phba);
|
|
return 1;
|
|
}
|
|
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
|
|
lpfc_unblock_mgmt_io(phba);
|
|
return 1;
|
|
}
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (!phba->sli4_hba.max_cfg_param.vpi_used)
|
|
vpis_cleared = true;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
} else {
|
|
if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
|
|
lpfc_unblock_mgmt_io(phba);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
struct Scsi_Host *shost;
|
|
shost = lpfc_shost_from_vport(vports[i]);
|
|
spin_lock_irq(shost->host_lock);
|
|
vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
|
|
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
|
|
vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
|
|
if ((vpis_cleared) &&
|
|
(vports[i]->port_type !=
|
|
LPFC_PHYSICAL_PORT))
|
|
vports[i]->vpi = 0;
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
|
|
lpfc_unblock_mgmt_io(phba);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine marks a HBA's management interface as not blocked. Once the
|
|
* HBA's management interface is marked as not blocked, all the user space
|
|
* access to the HBA, whether they are from sysfs interface or libdfc
|
|
* interface will be allowed. The HBA is set to block the management interface
|
|
* when the driver prepares the HBA interface for online or offline and then
|
|
* set to unblock the management interface afterwards.
|
|
**/
|
|
void
|
|
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
|
|
{
|
|
unsigned long iflag;
|
|
|
|
spin_lock_irqsave(&phba->hbalock, iflag);
|
|
phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
|
|
spin_unlock_irqrestore(&phba->hbalock, iflag);
|
|
}
|
|
|
|
/**
|
|
* lpfc_offline_prep - Prepare a HBA to be brought offline
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to prepare a HBA to be brought offline. It performs
|
|
* unregistration login to all the nodes on all vports and flushes the mailbox
|
|
* queue to make it ready to be brought offline.
|
|
**/
|
|
void
|
|
lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
struct lpfc_nodelist *ndlp, *next_ndlp;
|
|
struct lpfc_vport **vports;
|
|
struct Scsi_Host *shost;
|
|
int i;
|
|
|
|
if (vport->fc_flag & FC_OFFLINE_MODE)
|
|
return;
|
|
|
|
lpfc_block_mgmt_io(phba, mbx_action);
|
|
|
|
lpfc_linkdown(phba);
|
|
|
|
/* Issue an unreg_login to all nodes on all vports */
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL) {
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
if (vports[i]->load_flag & FC_UNLOADING)
|
|
continue;
|
|
shost = lpfc_shost_from_vport(vports[i]);
|
|
spin_lock_irq(shost->host_lock);
|
|
vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
|
|
vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
|
|
vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
shost = lpfc_shost_from_vport(vports[i]);
|
|
list_for_each_entry_safe(ndlp, next_ndlp,
|
|
&vports[i]->fc_nodes,
|
|
nlp_listp) {
|
|
if (!NLP_CHK_NODE_ACT(ndlp))
|
|
continue;
|
|
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
|
|
continue;
|
|
if (ndlp->nlp_type & NLP_FABRIC) {
|
|
lpfc_disc_state_machine(vports[i], ndlp,
|
|
NULL, NLP_EVT_DEVICE_RECOVERY);
|
|
lpfc_disc_state_machine(vports[i], ndlp,
|
|
NULL, NLP_EVT_DEVICE_RM);
|
|
}
|
|
spin_lock_irq(shost->host_lock);
|
|
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
|
|
spin_unlock_irq(shost->host_lock);
|
|
/*
|
|
* Whenever an SLI4 port goes offline, free the
|
|
* RPI. Get a new RPI when the adapter port
|
|
* comes back online.
|
|
*/
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
lpfc_printf_vlog(ndlp->vport,
|
|
KERN_INFO, LOG_NODE,
|
|
"0011 lpfc_offline: "
|
|
"ndlp:x%p did %x "
|
|
"usgmap:x%x rpi:%x\n",
|
|
ndlp, ndlp->nlp_DID,
|
|
ndlp->nlp_usg_map,
|
|
ndlp->nlp_rpi);
|
|
|
|
lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
|
|
}
|
|
lpfc_unreg_rpi(vports[i], ndlp);
|
|
}
|
|
}
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
|
|
lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
|
|
}
|
|
|
|
/**
|
|
* lpfc_offline - Bring a HBA offline
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine actually brings a HBA offline. It stops all the timers
|
|
* associated with the HBA, brings down the SLI layer, and eventually
|
|
* marks the HBA as in offline state for the upper layer protocol.
|
|
**/
|
|
void
|
|
lpfc_offline(struct lpfc_hba *phba)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
|
|
if (phba->pport->fc_flag & FC_OFFLINE_MODE)
|
|
return;
|
|
|
|
/* stop port and all timers associated with this hba */
|
|
lpfc_stop_port(phba);
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
|
|
lpfc_stop_vport_timers(vports[i]);
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0460 Bring Adapter offline\n");
|
|
/* Bring down the SLI Layer and cleanup. The HBA is offline
|
|
now. */
|
|
lpfc_sli_hba_down(phba);
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->work_ha = 0;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
shost = lpfc_shost_from_vport(vports[i]);
|
|
spin_lock_irq(shost->host_lock);
|
|
vports[i]->work_port_events = 0;
|
|
vports[i]->fc_flag |= FC_OFFLINE_MODE;
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
}
|
|
|
|
/**
|
|
* lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is to free all the SCSI buffers and IOCBs from the driver
|
|
* list back to kernel. It is called from lpfc_pci_remove_one to free
|
|
* the internal resources before the device is removed from the system.
|
|
**/
|
|
static void
|
|
lpfc_scsi_free(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_scsi_buf *sb, *sb_next;
|
|
struct lpfc_iocbq *io, *io_next;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
|
|
/* Release all the lpfc_scsi_bufs maintained by this host. */
|
|
|
|
spin_lock(&phba->scsi_buf_list_put_lock);
|
|
list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
|
|
list) {
|
|
list_del(&sb->list);
|
|
pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
|
|
sb->dma_handle);
|
|
kfree(sb);
|
|
phba->total_scsi_bufs--;
|
|
}
|
|
spin_unlock(&phba->scsi_buf_list_put_lock);
|
|
|
|
spin_lock(&phba->scsi_buf_list_get_lock);
|
|
list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
|
|
list) {
|
|
list_del(&sb->list);
|
|
pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
|
|
sb->dma_handle);
|
|
kfree(sb);
|
|
phba->total_scsi_bufs--;
|
|
}
|
|
spin_unlock(&phba->scsi_buf_list_get_lock);
|
|
|
|
/* Release all the lpfc_iocbq entries maintained by this host. */
|
|
list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
|
|
list_del(&io->list);
|
|
kfree(io);
|
|
phba->total_iocbq_bufs--;
|
|
}
|
|
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine first calculates the sizes of the current els and allocated
|
|
* scsi sgl lists, and then goes through all sgls to updates the physical
|
|
* XRIs assigned due to port function reset. During port initialization, the
|
|
* current els and allocated scsi sgl lists are 0s.
|
|
*
|
|
* Return codes
|
|
* 0 - successful (for now, it always returns 0)
|
|
**/
|
|
int
|
|
lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
|
|
struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
|
|
uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
|
|
LIST_HEAD(els_sgl_list);
|
|
LIST_HEAD(scsi_sgl_list);
|
|
int rc;
|
|
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
|
|
|
|
/*
|
|
* update on pci function's els xri-sgl list
|
|
*/
|
|
els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
|
|
if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
|
|
/* els xri-sgl expanded */
|
|
xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3157 ELS xri-sgl count increased from "
|
|
"%d to %d\n", phba->sli4_hba.els_xri_cnt,
|
|
els_xri_cnt);
|
|
/* allocate the additional els sgls */
|
|
for (i = 0; i < xri_cnt; i++) {
|
|
sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
|
|
GFP_KERNEL);
|
|
if (sglq_entry == NULL) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2562 Failure to allocate an "
|
|
"ELS sgl entry:%d\n", i);
|
|
rc = -ENOMEM;
|
|
goto out_free_mem;
|
|
}
|
|
sglq_entry->buff_type = GEN_BUFF_TYPE;
|
|
sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
|
|
&sglq_entry->phys);
|
|
if (sglq_entry->virt == NULL) {
|
|
kfree(sglq_entry);
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2563 Failure to allocate an "
|
|
"ELS mbuf:%d\n", i);
|
|
rc = -ENOMEM;
|
|
goto out_free_mem;
|
|
}
|
|
sglq_entry->sgl = sglq_entry->virt;
|
|
memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
|
|
sglq_entry->state = SGL_FREED;
|
|
list_add_tail(&sglq_entry->list, &els_sgl_list);
|
|
}
|
|
spin_lock_irq(&phba->hbalock);
|
|
spin_lock(&pring->ring_lock);
|
|
list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
|
|
spin_unlock(&pring->ring_lock);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
} else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
|
|
/* els xri-sgl shrinked */
|
|
xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3158 ELS xri-sgl count decreased from "
|
|
"%d to %d\n", phba->sli4_hba.els_xri_cnt,
|
|
els_xri_cnt);
|
|
spin_lock_irq(&phba->hbalock);
|
|
spin_lock(&pring->ring_lock);
|
|
list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
|
|
spin_unlock(&pring->ring_lock);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* release extra els sgls from list */
|
|
for (i = 0; i < xri_cnt; i++) {
|
|
list_remove_head(&els_sgl_list,
|
|
sglq_entry, struct lpfc_sglq, list);
|
|
if (sglq_entry) {
|
|
lpfc_mbuf_free(phba, sglq_entry->virt,
|
|
sglq_entry->phys);
|
|
kfree(sglq_entry);
|
|
}
|
|
}
|
|
spin_lock_irq(&phba->hbalock);
|
|
spin_lock(&pring->ring_lock);
|
|
list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
|
|
spin_unlock(&pring->ring_lock);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
} else
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3163 ELS xri-sgl count unchanged: %d\n",
|
|
els_xri_cnt);
|
|
phba->sli4_hba.els_xri_cnt = els_xri_cnt;
|
|
|
|
/* update xris to els sgls on the list */
|
|
sglq_entry = NULL;
|
|
sglq_entry_next = NULL;
|
|
list_for_each_entry_safe(sglq_entry, sglq_entry_next,
|
|
&phba->sli4_hba.lpfc_sgl_list, list) {
|
|
lxri = lpfc_sli4_next_xritag(phba);
|
|
if (lxri == NO_XRI) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2400 Failed to allocate xri for "
|
|
"ELS sgl\n");
|
|
rc = -ENOMEM;
|
|
goto out_free_mem;
|
|
}
|
|
sglq_entry->sli4_lxritag = lxri;
|
|
sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
|
|
}
|
|
|
|
/*
|
|
* update on pci function's allocated scsi xri-sgl list
|
|
*/
|
|
phba->total_scsi_bufs = 0;
|
|
|
|
/* maximum number of xris available for scsi buffers */
|
|
phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
|
|
els_xri_cnt;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2401 Current allocated SCSI xri-sgl count:%d, "
|
|
"maximum SCSI xri count:%d\n",
|
|
phba->sli4_hba.scsi_xri_cnt,
|
|
phba->sli4_hba.scsi_xri_max);
|
|
|
|
spin_lock_irq(&phba->scsi_buf_list_get_lock);
|
|
spin_lock(&phba->scsi_buf_list_put_lock);
|
|
list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
|
|
list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
|
|
spin_unlock(&phba->scsi_buf_list_put_lock);
|
|
spin_unlock_irq(&phba->scsi_buf_list_get_lock);
|
|
|
|
if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
|
|
/* max scsi xri shrinked below the allocated scsi buffers */
|
|
scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
|
|
phba->sli4_hba.scsi_xri_max;
|
|
/* release the extra allocated scsi buffers */
|
|
for (i = 0; i < scsi_xri_cnt; i++) {
|
|
list_remove_head(&scsi_sgl_list, psb,
|
|
struct lpfc_scsi_buf, list);
|
|
if (psb) {
|
|
pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
|
|
psb->data, psb->dma_handle);
|
|
kfree(psb);
|
|
}
|
|
}
|
|
spin_lock_irq(&phba->scsi_buf_list_get_lock);
|
|
phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
|
|
spin_unlock_irq(&phba->scsi_buf_list_get_lock);
|
|
}
|
|
|
|
/* update xris associated to remaining allocated scsi buffers */
|
|
psb = NULL;
|
|
psb_next = NULL;
|
|
list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
|
|
lxri = lpfc_sli4_next_xritag(phba);
|
|
if (lxri == NO_XRI) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2560 Failed to allocate xri for "
|
|
"scsi buffer\n");
|
|
rc = -ENOMEM;
|
|
goto out_free_mem;
|
|
}
|
|
psb->cur_iocbq.sli4_lxritag = lxri;
|
|
psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
|
|
}
|
|
spin_lock_irq(&phba->scsi_buf_list_get_lock);
|
|
spin_lock(&phba->scsi_buf_list_put_lock);
|
|
list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
|
|
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
|
|
spin_unlock(&phba->scsi_buf_list_put_lock);
|
|
spin_unlock_irq(&phba->scsi_buf_list_get_lock);
|
|
|
|
return 0;
|
|
|
|
out_free_mem:
|
|
lpfc_free_els_sgl_list(phba);
|
|
lpfc_scsi_free(phba);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_create_port - Create an FC port
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @instance: a unique integer ID to this FC port.
|
|
* @dev: pointer to the device data structure.
|
|
*
|
|
* This routine creates a FC port for the upper layer protocol. The FC port
|
|
* can be created on top of either a physical port or a virtual port provided
|
|
* by the HBA. This routine also allocates a SCSI host data structure (shost)
|
|
* and associates the FC port created before adding the shost into the SCSI
|
|
* layer.
|
|
*
|
|
* Return codes
|
|
* @vport - pointer to the virtual N_Port data structure.
|
|
* NULL - port create failed.
|
|
**/
|
|
struct lpfc_vport *
|
|
lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
|
|
{
|
|
struct lpfc_vport *vport;
|
|
struct Scsi_Host *shost;
|
|
int error = 0;
|
|
|
|
if (dev != &phba->pcidev->dev) {
|
|
shost = scsi_host_alloc(&lpfc_vport_template,
|
|
sizeof(struct lpfc_vport));
|
|
} else {
|
|
if (phba->sli_rev == LPFC_SLI_REV4)
|
|
shost = scsi_host_alloc(&lpfc_template,
|
|
sizeof(struct lpfc_vport));
|
|
else
|
|
shost = scsi_host_alloc(&lpfc_template_s3,
|
|
sizeof(struct lpfc_vport));
|
|
}
|
|
if (!shost)
|
|
goto out;
|
|
|
|
vport = (struct lpfc_vport *) shost->hostdata;
|
|
vport->phba = phba;
|
|
vport->load_flag |= FC_LOADING;
|
|
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
|
|
vport->fc_rscn_flush = 0;
|
|
|
|
lpfc_get_vport_cfgparam(vport);
|
|
shost->unique_id = instance;
|
|
shost->max_id = LPFC_MAX_TARGET;
|
|
shost->max_lun = vport->cfg_max_luns;
|
|
shost->this_id = -1;
|
|
shost->max_cmd_len = 16;
|
|
shost->nr_hw_queues = phba->cfg_fcp_io_channel;
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
shost->dma_boundary =
|
|
phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
|
|
shost->sg_tablesize = phba->cfg_sg_seg_cnt;
|
|
}
|
|
|
|
/*
|
|
* Set initial can_queue value since 0 is no longer supported and
|
|
* scsi_add_host will fail. This will be adjusted later based on the
|
|
* max xri value determined in hba setup.
|
|
*/
|
|
shost->can_queue = phba->cfg_hba_queue_depth - 10;
|
|
if (dev != &phba->pcidev->dev) {
|
|
shost->transportt = lpfc_vport_transport_template;
|
|
vport->port_type = LPFC_NPIV_PORT;
|
|
} else {
|
|
shost->transportt = lpfc_transport_template;
|
|
vport->port_type = LPFC_PHYSICAL_PORT;
|
|
}
|
|
|
|
/* Initialize all internally managed lists. */
|
|
INIT_LIST_HEAD(&vport->fc_nodes);
|
|
INIT_LIST_HEAD(&vport->rcv_buffer_list);
|
|
spin_lock_init(&vport->work_port_lock);
|
|
|
|
init_timer(&vport->fc_disctmo);
|
|
vport->fc_disctmo.function = lpfc_disc_timeout;
|
|
vport->fc_disctmo.data = (unsigned long)vport;
|
|
|
|
init_timer(&vport->fc_fdmitmo);
|
|
vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
|
|
vport->fc_fdmitmo.data = (unsigned long)vport;
|
|
|
|
init_timer(&vport->els_tmofunc);
|
|
vport->els_tmofunc.function = lpfc_els_timeout;
|
|
vport->els_tmofunc.data = (unsigned long)vport;
|
|
|
|
init_timer(&vport->delayed_disc_tmo);
|
|
vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
|
|
vport->delayed_disc_tmo.data = (unsigned long)vport;
|
|
|
|
error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
|
|
if (error)
|
|
goto out_put_shost;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_add_tail(&vport->listentry, &phba->port_list);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return vport;
|
|
|
|
out_put_shost:
|
|
scsi_host_put(shost);
|
|
out:
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* destroy_port - destroy an FC port
|
|
* @vport: pointer to an lpfc virtual N_Port data structure.
|
|
*
|
|
* This routine destroys a FC port from the upper layer protocol. All the
|
|
* resources associated with the port are released.
|
|
**/
|
|
void
|
|
destroy_port(struct lpfc_vport *vport)
|
|
{
|
|
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
lpfc_debugfs_terminate(vport);
|
|
fc_remove_host(shost);
|
|
scsi_remove_host(shost);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_del_init(&vport->listentry);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
lpfc_cleanup(vport);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_instance - Get a unique integer ID
|
|
*
|
|
* This routine allocates a unique integer ID from lpfc_hba_index pool. It
|
|
* uses the kernel idr facility to perform the task.
|
|
*
|
|
* Return codes:
|
|
* instance - a unique integer ID allocated as the new instance.
|
|
* -1 - lpfc get instance failed.
|
|
**/
|
|
int
|
|
lpfc_get_instance(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
|
|
return ret < 0 ? -1 : ret;
|
|
}
|
|
|
|
/**
|
|
* lpfc_scan_finished - method for SCSI layer to detect whether scan is done
|
|
* @shost: pointer to SCSI host data structure.
|
|
* @time: elapsed time of the scan in jiffies.
|
|
*
|
|
* This routine is called by the SCSI layer with a SCSI host to determine
|
|
* whether the scan host is finished.
|
|
*
|
|
* Note: there is no scan_start function as adapter initialization will have
|
|
* asynchronously kicked off the link initialization.
|
|
*
|
|
* Return codes
|
|
* 0 - SCSI host scan is not over yet.
|
|
* 1 - SCSI host scan is over.
|
|
**/
|
|
int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int stat = 0;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (vport->load_flag & FC_UNLOADING) {
|
|
stat = 1;
|
|
goto finished;
|
|
}
|
|
if (time >= msecs_to_jiffies(30 * 1000)) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0461 Scanning longer than 30 "
|
|
"seconds. Continuing initialization\n");
|
|
stat = 1;
|
|
goto finished;
|
|
}
|
|
if (time >= msecs_to_jiffies(15 * 1000) &&
|
|
phba->link_state <= LPFC_LINK_DOWN) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0465 Link down longer than 15 "
|
|
"seconds. Continuing initialization\n");
|
|
stat = 1;
|
|
goto finished;
|
|
}
|
|
|
|
if (vport->port_state != LPFC_VPORT_READY)
|
|
goto finished;
|
|
if (vport->num_disc_nodes || vport->fc_prli_sent)
|
|
goto finished;
|
|
if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
|
|
goto finished;
|
|
if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
|
|
goto finished;
|
|
|
|
stat = 1;
|
|
|
|
finished:
|
|
spin_unlock_irq(shost->host_lock);
|
|
return stat;
|
|
}
|
|
|
|
/**
|
|
* lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
|
|
* @shost: pointer to SCSI host data structure.
|
|
*
|
|
* This routine initializes a given SCSI host attributes on a FC port. The
|
|
* SCSI host can be either on top of a physical port or a virtual port.
|
|
**/
|
|
void lpfc_host_attrib_init(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
/*
|
|
* Set fixed host attributes. Must done after lpfc_sli_hba_setup().
|
|
*/
|
|
|
|
fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
|
|
fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
|
|
fc_host_supported_classes(shost) = FC_COS_CLASS3;
|
|
|
|
memset(fc_host_supported_fc4s(shost), 0,
|
|
sizeof(fc_host_supported_fc4s(shost)));
|
|
fc_host_supported_fc4s(shost)[2] = 1;
|
|
fc_host_supported_fc4s(shost)[7] = 1;
|
|
|
|
lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
|
|
sizeof fc_host_symbolic_name(shost));
|
|
|
|
fc_host_supported_speeds(shost) = 0;
|
|
if (phba->lmt & LMT_32Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_32GBIT;
|
|
if (phba->lmt & LMT_16Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
|
|
if (phba->lmt & LMT_10Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
|
|
if (phba->lmt & LMT_8Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
|
|
if (phba->lmt & LMT_4Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
|
|
if (phba->lmt & LMT_2Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
|
|
if (phba->lmt & LMT_1Gb)
|
|
fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
|
|
|
|
fc_host_maxframe_size(shost) =
|
|
(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
|
|
(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
|
|
|
|
fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
|
|
|
|
/* This value is also unchanging */
|
|
memset(fc_host_active_fc4s(shost), 0,
|
|
sizeof(fc_host_active_fc4s(shost)));
|
|
fc_host_active_fc4s(shost)[2] = 1;
|
|
fc_host_active_fc4s(shost)[7] = 1;
|
|
|
|
fc_host_max_npiv_vports(shost) = phba->max_vpi;
|
|
spin_lock_irq(shost->host_lock);
|
|
vport->load_flag &= ~FC_LOADING;
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_stop_port_s3 - Stop SLI3 device port
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to stop an SLI3 device port, it stops the device
|
|
* from generating interrupts and stops the device driver's timers for the
|
|
* device.
|
|
**/
|
|
static void
|
|
lpfc_stop_port_s3(struct lpfc_hba *phba)
|
|
{
|
|
/* Clear all interrupt enable conditions */
|
|
writel(0, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
/* Clear all pending interrupts */
|
|
writel(0xffffffff, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
|
|
/* Reset some HBA SLI setup states */
|
|
lpfc_stop_hba_timers(phba);
|
|
phba->pport->work_port_events = 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_stop_port_s4 - Stop SLI4 device port
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to stop an SLI4 device port, it stops the device
|
|
* from generating interrupts and stops the device driver's timers for the
|
|
* device.
|
|
**/
|
|
static void
|
|
lpfc_stop_port_s4(struct lpfc_hba *phba)
|
|
{
|
|
/* Reset some HBA SLI4 setup states */
|
|
lpfc_stop_hba_timers(phba);
|
|
phba->pport->work_port_events = 0;
|
|
phba->sli4_hba.intr_enable = 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_stop_port - Wrapper function for stopping hba port
|
|
* @phba: Pointer to HBA context object.
|
|
*
|
|
* This routine wraps the actual SLI3 or SLI4 hba stop port routine from
|
|
* the API jump table function pointer from the lpfc_hba struct.
|
|
**/
|
|
void
|
|
lpfc_stop_port(struct lpfc_hba *phba)
|
|
{
|
|
phba->lpfc_stop_port(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
|
|
* @phba: Pointer to hba for which this call is being executed.
|
|
*
|
|
* This routine starts the timer waiting for the FCF rediscovery to complete.
|
|
**/
|
|
void
|
|
lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
|
|
{
|
|
unsigned long fcf_redisc_wait_tmo =
|
|
(jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
|
|
/* Start fcf rediscovery wait period timer */
|
|
mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
|
|
spin_lock_irq(&phba->hbalock);
|
|
/* Allow action to new fcf asynchronous event */
|
|
phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
|
|
/* Mark the FCF rediscovery pending state */
|
|
phba->fcf.fcf_flag |= FCF_REDISC_PEND;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
|
|
* @ptr: Map to lpfc_hba data structure pointer.
|
|
*
|
|
* This routine is invoked when waiting for FCF table rediscover has been
|
|
* timed out. If new FCF record(s) has (have) been discovered during the
|
|
* wait period, a new FCF event shall be added to the FCOE async event
|
|
* list, and then worker thread shall be waked up for processing from the
|
|
* worker thread context.
|
|
**/
|
|
static void
|
|
lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
|
|
|
|
/* Don't send FCF rediscovery event if timer cancelled */
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return;
|
|
}
|
|
/* Clear FCF rediscovery timer pending flag */
|
|
phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
|
|
/* FCF rediscovery event to worker thread */
|
|
phba->fcf.fcf_flag |= FCF_REDISC_EVT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
|
|
"2776 FCF rediscover quiescent timer expired\n");
|
|
/* wake up worker thread */
|
|
lpfc_worker_wake_up(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async link completion queue entry.
|
|
*
|
|
* This routine is to parse the SLI4 link-attention link fault code and
|
|
* translate it into the base driver's read link attention mailbox command
|
|
* status.
|
|
*
|
|
* Return: Link-attention status in terms of base driver's coding.
|
|
**/
|
|
static uint16_t
|
|
lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_link *acqe_link)
|
|
{
|
|
uint16_t latt_fault;
|
|
|
|
switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
|
|
case LPFC_ASYNC_LINK_FAULT_NONE:
|
|
case LPFC_ASYNC_LINK_FAULT_LOCAL:
|
|
case LPFC_ASYNC_LINK_FAULT_REMOTE:
|
|
latt_fault = 0;
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0398 Invalid link fault code: x%x\n",
|
|
bf_get(lpfc_acqe_link_fault, acqe_link));
|
|
latt_fault = MBXERR_ERROR;
|
|
break;
|
|
}
|
|
return latt_fault;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_parse_latt_type - Parse sli4 link attention type
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async link completion queue entry.
|
|
*
|
|
* This routine is to parse the SLI4 link attention type and translate it
|
|
* into the base driver's link attention type coding.
|
|
*
|
|
* Return: Link attention type in terms of base driver's coding.
|
|
**/
|
|
static uint8_t
|
|
lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_link *acqe_link)
|
|
{
|
|
uint8_t att_type;
|
|
|
|
switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
|
|
case LPFC_ASYNC_LINK_STATUS_DOWN:
|
|
case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
|
|
att_type = LPFC_ATT_LINK_DOWN;
|
|
break;
|
|
case LPFC_ASYNC_LINK_STATUS_UP:
|
|
/* Ignore physical link up events - wait for logical link up */
|
|
att_type = LPFC_ATT_RESERVED;
|
|
break;
|
|
case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
|
|
att_type = LPFC_ATT_LINK_UP;
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0399 Invalid link attention type: x%x\n",
|
|
bf_get(lpfc_acqe_link_status, acqe_link));
|
|
att_type = LPFC_ATT_RESERVED;
|
|
break;
|
|
}
|
|
return att_type;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async link completion queue entry.
|
|
*
|
|
* This routine is to parse the SLI4 link-attention link speed and translate
|
|
* it into the base driver's link-attention link speed coding.
|
|
*
|
|
* Return: Link-attention link speed in terms of base driver's coding.
|
|
**/
|
|
static uint8_t
|
|
lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_link *acqe_link)
|
|
{
|
|
uint8_t link_speed;
|
|
|
|
switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
|
|
case LPFC_ASYNC_LINK_SPEED_ZERO:
|
|
case LPFC_ASYNC_LINK_SPEED_10MBPS:
|
|
case LPFC_ASYNC_LINK_SPEED_100MBPS:
|
|
link_speed = LPFC_LINK_SPEED_UNKNOWN;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_1GBPS:
|
|
link_speed = LPFC_LINK_SPEED_1GHZ;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_10GBPS:
|
|
link_speed = LPFC_LINK_SPEED_10GHZ;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_20GBPS:
|
|
case LPFC_ASYNC_LINK_SPEED_25GBPS:
|
|
case LPFC_ASYNC_LINK_SPEED_40GBPS:
|
|
link_speed = LPFC_LINK_SPEED_UNKNOWN;
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0483 Invalid link-attention link speed: x%x\n",
|
|
bf_get(lpfc_acqe_link_speed, acqe_link));
|
|
link_speed = LPFC_LINK_SPEED_UNKNOWN;
|
|
break;
|
|
}
|
|
return link_speed;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is to get an SLI3 FC port's link speed in Mbps.
|
|
*
|
|
* Return: link speed in terms of Mbps.
|
|
**/
|
|
uint32_t
|
|
lpfc_sli_port_speed_get(struct lpfc_hba *phba)
|
|
{
|
|
uint32_t link_speed;
|
|
|
|
if (!lpfc_is_link_up(phba))
|
|
return 0;
|
|
|
|
switch (phba->fc_linkspeed) {
|
|
case LPFC_LINK_SPEED_1GHZ:
|
|
link_speed = 1000;
|
|
break;
|
|
case LPFC_LINK_SPEED_2GHZ:
|
|
link_speed = 2000;
|
|
break;
|
|
case LPFC_LINK_SPEED_4GHZ:
|
|
link_speed = 4000;
|
|
break;
|
|
case LPFC_LINK_SPEED_8GHZ:
|
|
link_speed = 8000;
|
|
break;
|
|
case LPFC_LINK_SPEED_10GHZ:
|
|
link_speed = 10000;
|
|
break;
|
|
case LPFC_LINK_SPEED_16GHZ:
|
|
link_speed = 16000;
|
|
break;
|
|
default:
|
|
link_speed = 0;
|
|
}
|
|
return link_speed;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @evt_code: asynchronous event code.
|
|
* @speed_code: asynchronous event link speed code.
|
|
*
|
|
* This routine is to parse the giving SLI4 async event link speed code into
|
|
* value of Mbps for the link speed.
|
|
*
|
|
* Return: link speed in terms of Mbps.
|
|
**/
|
|
static uint32_t
|
|
lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
|
|
uint8_t speed_code)
|
|
{
|
|
uint32_t port_speed;
|
|
|
|
switch (evt_code) {
|
|
case LPFC_TRAILER_CODE_LINK:
|
|
switch (speed_code) {
|
|
case LPFC_ASYNC_LINK_SPEED_ZERO:
|
|
port_speed = 0;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_10MBPS:
|
|
port_speed = 10;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_100MBPS:
|
|
port_speed = 100;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_1GBPS:
|
|
port_speed = 1000;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_10GBPS:
|
|
port_speed = 10000;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_20GBPS:
|
|
port_speed = 20000;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_25GBPS:
|
|
port_speed = 25000;
|
|
break;
|
|
case LPFC_ASYNC_LINK_SPEED_40GBPS:
|
|
port_speed = 40000;
|
|
break;
|
|
default:
|
|
port_speed = 0;
|
|
}
|
|
break;
|
|
case LPFC_TRAILER_CODE_FC:
|
|
switch (speed_code) {
|
|
case LPFC_FC_LA_SPEED_UNKNOWN:
|
|
port_speed = 0;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_1G:
|
|
port_speed = 1000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_2G:
|
|
port_speed = 2000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_4G:
|
|
port_speed = 4000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_8G:
|
|
port_speed = 8000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_10G:
|
|
port_speed = 10000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_16G:
|
|
port_speed = 16000;
|
|
break;
|
|
case LPFC_FC_LA_SPEED_32G:
|
|
port_speed = 32000;
|
|
break;
|
|
default:
|
|
port_speed = 0;
|
|
}
|
|
break;
|
|
default:
|
|
port_speed = 0;
|
|
}
|
|
return port_speed;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async link completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous FCoE link event.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_link *acqe_link)
|
|
{
|
|
struct lpfc_dmabuf *mp;
|
|
LPFC_MBOXQ_t *pmb;
|
|
MAILBOX_t *mb;
|
|
struct lpfc_mbx_read_top *la;
|
|
uint8_t att_type;
|
|
int rc;
|
|
|
|
att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
|
|
if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
|
|
return;
|
|
phba->fcoe_eventtag = acqe_link->event_tag;
|
|
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"0395 The mboxq allocation failed\n");
|
|
return;
|
|
}
|
|
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!mp) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"0396 The lpfc_dmabuf allocation failed\n");
|
|
goto out_free_pmb;
|
|
}
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp->virt) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"0397 The mbuf allocation failed\n");
|
|
goto out_free_dmabuf;
|
|
}
|
|
|
|
/* Cleanup any outstanding ELS commands */
|
|
lpfc_els_flush_all_cmd(phba);
|
|
|
|
/* Block ELS IOCBs until we have done process link event */
|
|
phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
|
|
|
|
/* Update link event statistics */
|
|
phba->sli.slistat.link_event++;
|
|
|
|
/* Create lpfc_handle_latt mailbox command from link ACQE */
|
|
lpfc_read_topology(phba, pmb, mp);
|
|
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
|
|
pmb->vport = phba->pport;
|
|
|
|
/* Keep the link status for extra SLI4 state machine reference */
|
|
phba->sli4_hba.link_state.speed =
|
|
lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
|
|
bf_get(lpfc_acqe_link_speed, acqe_link));
|
|
phba->sli4_hba.link_state.duplex =
|
|
bf_get(lpfc_acqe_link_duplex, acqe_link);
|
|
phba->sli4_hba.link_state.status =
|
|
bf_get(lpfc_acqe_link_status, acqe_link);
|
|
phba->sli4_hba.link_state.type =
|
|
bf_get(lpfc_acqe_link_type, acqe_link);
|
|
phba->sli4_hba.link_state.number =
|
|
bf_get(lpfc_acqe_link_number, acqe_link);
|
|
phba->sli4_hba.link_state.fault =
|
|
bf_get(lpfc_acqe_link_fault, acqe_link);
|
|
phba->sli4_hba.link_state.logical_speed =
|
|
bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2900 Async FC/FCoE Link event - Speed:%dGBit "
|
|
"duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
|
|
"Logical speed:%dMbps Fault:%d\n",
|
|
phba->sli4_hba.link_state.speed,
|
|
phba->sli4_hba.link_state.topology,
|
|
phba->sli4_hba.link_state.status,
|
|
phba->sli4_hba.link_state.type,
|
|
phba->sli4_hba.link_state.number,
|
|
phba->sli4_hba.link_state.logical_speed,
|
|
phba->sli4_hba.link_state.fault);
|
|
/*
|
|
* For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
|
|
* topology info. Note: Optional for non FC-AL ports.
|
|
*/
|
|
if (!(phba->hba_flag & HBA_FCOE_MODE)) {
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
|
|
if (rc == MBX_NOT_FINISHED)
|
|
goto out_free_dmabuf;
|
|
return;
|
|
}
|
|
/*
|
|
* For FCoE Mode: fill in all the topology information we need and call
|
|
* the READ_TOPOLOGY completion routine to continue without actually
|
|
* sending the READ_TOPOLOGY mailbox command to the port.
|
|
*/
|
|
/* Parse and translate status field */
|
|
mb = &pmb->u.mb;
|
|
mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
|
|
|
|
/* Parse and translate link attention fields */
|
|
la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
|
|
la->eventTag = acqe_link->event_tag;
|
|
bf_set(lpfc_mbx_read_top_att_type, la, att_type);
|
|
bf_set(lpfc_mbx_read_top_link_spd, la,
|
|
lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
|
|
|
|
/* Fake the the following irrelvant fields */
|
|
bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
|
|
bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
|
|
bf_set(lpfc_mbx_read_top_il, la, 0);
|
|
bf_set(lpfc_mbx_read_top_pb, la, 0);
|
|
bf_set(lpfc_mbx_read_top_fa, la, 0);
|
|
bf_set(lpfc_mbx_read_top_mm, la, 0);
|
|
|
|
/* Invoke the lpfc_handle_latt mailbox command callback function */
|
|
lpfc_mbx_cmpl_read_topology(phba, pmb);
|
|
|
|
return;
|
|
|
|
out_free_dmabuf:
|
|
kfree(mp);
|
|
out_free_pmb:
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_fc: pointer to the async fc completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous FC event. It will simply log
|
|
* that the event was received and then issue a read_topology mailbox command so
|
|
* that the rest of the driver will treat it the same as SLI3.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
|
|
{
|
|
struct lpfc_dmabuf *mp;
|
|
LPFC_MBOXQ_t *pmb;
|
|
int rc;
|
|
|
|
if (bf_get(lpfc_trailer_type, acqe_fc) !=
|
|
LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2895 Non FC link Event detected.(%d)\n",
|
|
bf_get(lpfc_trailer_type, acqe_fc));
|
|
return;
|
|
}
|
|
/* Keep the link status for extra SLI4 state machine reference */
|
|
phba->sli4_hba.link_state.speed =
|
|
lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
|
|
bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
|
|
phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
|
|
phba->sli4_hba.link_state.topology =
|
|
bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
|
|
phba->sli4_hba.link_state.status =
|
|
bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
|
|
phba->sli4_hba.link_state.type =
|
|
bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
|
|
phba->sli4_hba.link_state.number =
|
|
bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
|
|
phba->sli4_hba.link_state.fault =
|
|
bf_get(lpfc_acqe_link_fault, acqe_fc);
|
|
phba->sli4_hba.link_state.logical_speed =
|
|
bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2896 Async FC event - Speed:%dGBaud Topology:x%x "
|
|
"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
|
|
"%dMbps Fault:%d\n",
|
|
phba->sli4_hba.link_state.speed,
|
|
phba->sli4_hba.link_state.topology,
|
|
phba->sli4_hba.link_state.status,
|
|
phba->sli4_hba.link_state.type,
|
|
phba->sli4_hba.link_state.number,
|
|
phba->sli4_hba.link_state.logical_speed,
|
|
phba->sli4_hba.link_state.fault);
|
|
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2897 The mboxq allocation failed\n");
|
|
return;
|
|
}
|
|
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!mp) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2898 The lpfc_dmabuf allocation failed\n");
|
|
goto out_free_pmb;
|
|
}
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp->virt) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2899 The mbuf allocation failed\n");
|
|
goto out_free_dmabuf;
|
|
}
|
|
|
|
/* Cleanup any outstanding ELS commands */
|
|
lpfc_els_flush_all_cmd(phba);
|
|
|
|
/* Block ELS IOCBs until we have done process link event */
|
|
phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
|
|
|
|
/* Update link event statistics */
|
|
phba->sli.slistat.link_event++;
|
|
|
|
/* Create lpfc_handle_latt mailbox command from link ACQE */
|
|
lpfc_read_topology(phba, pmb, mp);
|
|
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
|
|
pmb->vport = phba->pport;
|
|
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
|
|
if (rc == MBX_NOT_FINISHED)
|
|
goto out_free_dmabuf;
|
|
return;
|
|
|
|
out_free_dmabuf:
|
|
kfree(mp);
|
|
out_free_pmb:
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_fc: pointer to the async SLI completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous SLI events.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
|
|
{
|
|
char port_name;
|
|
char message[128];
|
|
uint8_t status;
|
|
uint8_t evt_type;
|
|
struct temp_event temp_event_data;
|
|
struct lpfc_acqe_misconfigured_event *misconfigured;
|
|
struct Scsi_Host *shost;
|
|
|
|
evt_type = bf_get(lpfc_trailer_type, acqe_sli);
|
|
|
|
/* Special case Lancer */
|
|
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
|
|
LPFC_SLI_INTF_IF_TYPE_2) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2901 Async SLI event - Event Data1:x%08x Event Data2:"
|
|
"x%08x SLI Event Type:%d\n",
|
|
acqe_sli->event_data1, acqe_sli->event_data2,
|
|
evt_type);
|
|
return;
|
|
}
|
|
|
|
port_name = phba->Port[0];
|
|
if (port_name == 0x00)
|
|
port_name = '?'; /* get port name is empty */
|
|
|
|
switch (evt_type) {
|
|
case LPFC_SLI_EVENT_TYPE_OVER_TEMP:
|
|
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
|
|
temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
|
|
temp_event_data.data = (uint32_t)acqe_sli->event_data1;
|
|
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
|
|
"3190 Over Temperature:%d Celsius- Port Name %c\n",
|
|
acqe_sli->event_data1, port_name);
|
|
|
|
shost = lpfc_shost_from_vport(phba->pport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(temp_event_data),
|
|
(char *)&temp_event_data,
|
|
SCSI_NL_VID_TYPE_PCI
|
|
| PCI_VENDOR_ID_EMULEX);
|
|
break;
|
|
case LPFC_SLI_EVENT_TYPE_NORM_TEMP:
|
|
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
|
|
temp_event_data.event_code = LPFC_NORMAL_TEMP;
|
|
temp_event_data.data = (uint32_t)acqe_sli->event_data1;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3191 Normal Temperature:%d Celsius - Port Name %c\n",
|
|
acqe_sli->event_data1, port_name);
|
|
|
|
shost = lpfc_shost_from_vport(phba->pport);
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(temp_event_data),
|
|
(char *)&temp_event_data,
|
|
SCSI_NL_VID_TYPE_PCI
|
|
| PCI_VENDOR_ID_EMULEX);
|
|
break;
|
|
case LPFC_SLI_EVENT_TYPE_MISCONFIGURED:
|
|
misconfigured = (struct lpfc_acqe_misconfigured_event *)
|
|
&acqe_sli->event_data1;
|
|
|
|
/* fetch the status for this port */
|
|
switch (phba->sli4_hba.lnk_info.lnk_no) {
|
|
case LPFC_LINK_NUMBER_0:
|
|
status = bf_get(lpfc_sli_misconfigured_port0,
|
|
&misconfigured->theEvent);
|
|
break;
|
|
case LPFC_LINK_NUMBER_1:
|
|
status = bf_get(lpfc_sli_misconfigured_port1,
|
|
&misconfigured->theEvent);
|
|
break;
|
|
case LPFC_LINK_NUMBER_2:
|
|
status = bf_get(lpfc_sli_misconfigured_port2,
|
|
&misconfigured->theEvent);
|
|
break;
|
|
case LPFC_LINK_NUMBER_3:
|
|
status = bf_get(lpfc_sli_misconfigured_port3,
|
|
&misconfigured->theEvent);
|
|
break;
|
|
default:
|
|
status = ~LPFC_SLI_EVENT_STATUS_VALID;
|
|
break;
|
|
}
|
|
|
|
switch (status) {
|
|
case LPFC_SLI_EVENT_STATUS_VALID:
|
|
return; /* no message if the sfp is okay */
|
|
case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
|
|
sprintf(message, "Optics faulted/incorrectly "
|
|
"installed/not installed - Reseat optics, "
|
|
"if issue not resolved, replace.");
|
|
break;
|
|
case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
|
|
sprintf(message,
|
|
"Optics of two types installed - Remove one "
|
|
"optic or install matching pair of optics.");
|
|
break;
|
|
case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
|
|
sprintf(message, "Incompatible optics - Replace with "
|
|
"compatible optics for card to function.");
|
|
break;
|
|
default:
|
|
/* firmware is reporting a status we don't know about */
|
|
sprintf(message, "Unknown event status x%02x", status);
|
|
break;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"3176 Misconfigured Physical Port - "
|
|
"Port Name %c %s\n", port_name, message);
|
|
break;
|
|
case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT:
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3192 Remote DPort Test Initiated - "
|
|
"Event Data1:x%08x Event Data2: x%08x\n",
|
|
acqe_sli->event_data1, acqe_sli->event_data2);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3193 Async SLI event - Event Data1:x%08x Event Data2:"
|
|
"x%08x SLI Event Type:%d\n",
|
|
acqe_sli->event_data1, acqe_sli->event_data2,
|
|
evt_type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
|
|
* @vport: pointer to vport data structure.
|
|
*
|
|
* This routine is to perform Clear Virtual Link (CVL) on a vport in
|
|
* response to a CVL event.
|
|
*
|
|
* Return the pointer to the ndlp with the vport if successful, otherwise
|
|
* return NULL.
|
|
**/
|
|
static struct lpfc_nodelist *
|
|
lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
|
|
{
|
|
struct lpfc_nodelist *ndlp;
|
|
struct Scsi_Host *shost;
|
|
struct lpfc_hba *phba;
|
|
|
|
if (!vport)
|
|
return NULL;
|
|
phba = vport->phba;
|
|
if (!phba)
|
|
return NULL;
|
|
ndlp = lpfc_findnode_did(vport, Fabric_DID);
|
|
if (!ndlp) {
|
|
/* Cannot find existing Fabric ndlp, so allocate a new one */
|
|
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
|
|
if (!ndlp)
|
|
return 0;
|
|
lpfc_nlp_init(vport, ndlp, Fabric_DID);
|
|
/* Set the node type */
|
|
ndlp->nlp_type |= NLP_FABRIC;
|
|
/* Put ndlp onto node list */
|
|
lpfc_enqueue_node(vport, ndlp);
|
|
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
|
|
/* re-setup ndlp without removing from node list */
|
|
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
|
|
if (!ndlp)
|
|
return 0;
|
|
}
|
|
if ((phba->pport->port_state < LPFC_FLOGI) &&
|
|
(phba->pport->port_state != LPFC_VPORT_FAILED))
|
|
return NULL;
|
|
/* If virtual link is not yet instantiated ignore CVL */
|
|
if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
|
|
&& (vport->port_state != LPFC_VPORT_FAILED))
|
|
return NULL;
|
|
shost = lpfc_shost_from_vport(vport);
|
|
if (!shost)
|
|
return NULL;
|
|
lpfc_linkdown_port(vport);
|
|
lpfc_cleanup_pending_mbox(vport);
|
|
spin_lock_irq(shost->host_lock);
|
|
vport->fc_flag |= FC_VPORT_CVL_RCVD;
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
return ndlp;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
|
|
* @vport: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is to perform Clear Virtual Link (CVL) on all vports in
|
|
* response to a FCF dead event.
|
|
**/
|
|
static void
|
|
lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
|
|
lpfc_sli4_perform_vport_cvl(vports[i]);
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async fcoe completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous fcoe event.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_fip *acqe_fip)
|
|
{
|
|
uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
|
|
int rc;
|
|
struct lpfc_vport *vport;
|
|
struct lpfc_nodelist *ndlp;
|
|
struct Scsi_Host *shost;
|
|
int active_vlink_present;
|
|
struct lpfc_vport **vports;
|
|
int i;
|
|
|
|
phba->fc_eventTag = acqe_fip->event_tag;
|
|
phba->fcoe_eventtag = acqe_fip->event_tag;
|
|
switch (event_type) {
|
|
case LPFC_FIP_EVENT_TYPE_NEW_FCF:
|
|
case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
|
|
if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2546 New FCF event, evt_tag:x%x, "
|
|
"index:x%x\n",
|
|
acqe_fip->event_tag,
|
|
acqe_fip->index);
|
|
else
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2788 FCF param modified event, "
|
|
"evt_tag:x%x, index:x%x\n",
|
|
acqe_fip->event_tag,
|
|
acqe_fip->index);
|
|
if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
|
|
/*
|
|
* During period of FCF discovery, read the FCF
|
|
* table record indexed by the event to update
|
|
* FCF roundrobin failover eligible FCF bmask.
|
|
*/
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2779 Read FCF (x%x) for updating "
|
|
"roundrobin FCF failover bmask\n",
|
|
acqe_fip->index);
|
|
rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
|
|
}
|
|
|
|
/* If the FCF discovery is in progress, do nothing. */
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (phba->hba_flag & FCF_TS_INPROG) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
break;
|
|
}
|
|
/* If fast FCF failover rescan event is pending, do nothing */
|
|
if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
break;
|
|
}
|
|
|
|
/* If the FCF has been in discovered state, do nothing. */
|
|
if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
break;
|
|
}
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Otherwise, scan the entire FCF table and re-discover SAN */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
|
|
"2770 Start FCF table scan per async FCF "
|
|
"event, evt_tag:x%x, index:x%x\n",
|
|
acqe_fip->event_tag, acqe_fip->index);
|
|
rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
|
|
LPFC_FCOE_FCF_GET_FIRST);
|
|
if (rc)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
|
|
"2547 Issue FCF scan read FCF mailbox "
|
|
"command failed (x%x)\n", rc);
|
|
break;
|
|
|
|
case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2548 FCF Table full count 0x%x tag 0x%x\n",
|
|
bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
|
|
acqe_fip->event_tag);
|
|
break;
|
|
|
|
case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
|
|
phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
|
|
"2549 FCF (x%x) disconnected from network, "
|
|
"tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
|
|
/*
|
|
* If we are in the middle of FCF failover process, clear
|
|
* the corresponding FCF bit in the roundrobin bitmap.
|
|
*/
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* Update FLOGI FCF failover eligible FCF bmask */
|
|
lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
|
|
break;
|
|
}
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* If the event is not for currently used fcf do nothing */
|
|
if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
|
|
break;
|
|
|
|
/*
|
|
* Otherwise, request the port to rediscover the entire FCF
|
|
* table for a fast recovery from case that the current FCF
|
|
* is no longer valid as we are not in the middle of FCF
|
|
* failover process already.
|
|
*/
|
|
spin_lock_irq(&phba->hbalock);
|
|
/* Mark the fast failover process in progress */
|
|
phba->fcf.fcf_flag |= FCF_DEAD_DISC;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
|
|
"2771 Start FCF fast failover process due to "
|
|
"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
|
|
"\n", acqe_fip->event_tag, acqe_fip->index);
|
|
rc = lpfc_sli4_redisc_fcf_table(phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2772 Issue FCF rediscover mabilbox "
|
|
"command failed, fail through to FCF "
|
|
"dead event\n");
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/*
|
|
* Last resort will fail over by treating this
|
|
* as a link down to FCF registration.
|
|
*/
|
|
lpfc_sli4_fcf_dead_failthrough(phba);
|
|
} else {
|
|
/* Reset FCF roundrobin bmask for new discovery */
|
|
lpfc_sli4_clear_fcf_rr_bmask(phba);
|
|
/*
|
|
* Handling fast FCF failover to a DEAD FCF event is
|
|
* considered equalivant to receiving CVL to all vports.
|
|
*/
|
|
lpfc_sli4_perform_all_vport_cvl(phba);
|
|
}
|
|
break;
|
|
case LPFC_FIP_EVENT_TYPE_CVL:
|
|
phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
|
|
"2718 Clear Virtual Link Received for VPI 0x%x"
|
|
" tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
|
|
|
|
vport = lpfc_find_vport_by_vpid(phba,
|
|
acqe_fip->index);
|
|
ndlp = lpfc_sli4_perform_vport_cvl(vport);
|
|
if (!ndlp)
|
|
break;
|
|
active_vlink_present = 0;
|
|
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports) {
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL;
|
|
i++) {
|
|
if ((!(vports[i]->fc_flag &
|
|
FC_VPORT_CVL_RCVD)) &&
|
|
(vports[i]->port_state > LPFC_FDISC)) {
|
|
active_vlink_present = 1;
|
|
break;
|
|
}
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
}
|
|
|
|
/*
|
|
* Don't re-instantiate if vport is marked for deletion.
|
|
* If we are here first then vport_delete is going to wait
|
|
* for discovery to complete.
|
|
*/
|
|
if (!(vport->load_flag & FC_UNLOADING) &&
|
|
active_vlink_present) {
|
|
/*
|
|
* If there are other active VLinks present,
|
|
* re-instantiate the Vlink using FDISC.
|
|
*/
|
|
mod_timer(&ndlp->nlp_delayfunc,
|
|
jiffies + msecs_to_jiffies(1000));
|
|
shost = lpfc_shost_from_vport(vport);
|
|
spin_lock_irq(shost->host_lock);
|
|
ndlp->nlp_flag |= NLP_DELAY_TMO;
|
|
spin_unlock_irq(shost->host_lock);
|
|
ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
|
|
vport->port_state = LPFC_FDISC;
|
|
} else {
|
|
/*
|
|
* Otherwise, we request port to rediscover
|
|
* the entire FCF table for a fast recovery
|
|
* from possible case that the current FCF
|
|
* is no longer valid if we are not already
|
|
* in the FCF failover process.
|
|
*/
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
break;
|
|
}
|
|
/* Mark the fast failover process in progress */
|
|
phba->fcf.fcf_flag |= FCF_ACVL_DISC;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2773 Start FCF failover per CVL, "
|
|
"evt_tag:x%x\n", acqe_fip->event_tag);
|
|
rc = lpfc_sli4_redisc_fcf_table(phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
|
|
LOG_DISCOVERY,
|
|
"2774 Issue FCF rediscover "
|
|
"mabilbox command failed, "
|
|
"through to CVL event\n");
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/*
|
|
* Last resort will be re-try on the
|
|
* the current registered FCF entry.
|
|
*/
|
|
lpfc_retry_pport_discovery(phba);
|
|
} else
|
|
/*
|
|
* Reset FCF roundrobin bmask for new
|
|
* discovery.
|
|
*/
|
|
lpfc_sli4_clear_fcf_rr_bmask(phba);
|
|
}
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"0288 Unknown FCoE event type 0x%x event tag "
|
|
"0x%x\n", event_type, acqe_fip->event_tag);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async dcbx completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous dcbx event.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_dcbx *acqe_dcbx)
|
|
{
|
|
phba->fc_eventTag = acqe_dcbx->event_tag;
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"0290 The SLI4 DCBX asynchronous event is not "
|
|
"handled yet\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @acqe_link: pointer to the async grp5 completion queue entry.
|
|
*
|
|
* This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
|
|
* is an asynchronous notified of a logical link speed change. The Port
|
|
* reports the logical link speed in units of 10Mbps.
|
|
**/
|
|
static void
|
|
lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
|
|
struct lpfc_acqe_grp5 *acqe_grp5)
|
|
{
|
|
uint16_t prev_ll_spd;
|
|
|
|
phba->fc_eventTag = acqe_grp5->event_tag;
|
|
phba->fcoe_eventtag = acqe_grp5->event_tag;
|
|
prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
|
|
phba->sli4_hba.link_state.logical_speed =
|
|
(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2789 GRP5 Async Event: Updating logical link speed "
|
|
"from %dMbps to %dMbps\n", prev_ll_spd,
|
|
phba->sli4_hba.link_state.logical_speed);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_async_event_proc - Process all the pending asynchronous event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked by the worker thread to process all the pending
|
|
* SLI4 asynchronous events.
|
|
**/
|
|
void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_cq_event *cq_event;
|
|
|
|
/* First, declare the async event has been handled */
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~ASYNC_EVENT;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* Now, handle all the async events */
|
|
while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
|
|
/* Get the first event from the head of the event queue */
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
|
|
cq_event, struct lpfc_cq_event, list);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* Process the asynchronous event */
|
|
switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
|
|
case LPFC_TRAILER_CODE_LINK:
|
|
lpfc_sli4_async_link_evt(phba,
|
|
&cq_event->cqe.acqe_link);
|
|
break;
|
|
case LPFC_TRAILER_CODE_FCOE:
|
|
lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
|
|
break;
|
|
case LPFC_TRAILER_CODE_DCBX:
|
|
lpfc_sli4_async_dcbx_evt(phba,
|
|
&cq_event->cqe.acqe_dcbx);
|
|
break;
|
|
case LPFC_TRAILER_CODE_GRP5:
|
|
lpfc_sli4_async_grp5_evt(phba,
|
|
&cq_event->cqe.acqe_grp5);
|
|
break;
|
|
case LPFC_TRAILER_CODE_FC:
|
|
lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
|
|
break;
|
|
case LPFC_TRAILER_CODE_SLI:
|
|
lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"1804 Invalid asynchrous event code: "
|
|
"x%x\n", bf_get(lpfc_trailer_code,
|
|
&cq_event->cqe.mcqe_cmpl));
|
|
break;
|
|
}
|
|
/* Free the completion event processed to the free pool */
|
|
lpfc_sli4_cq_event_release(phba, cq_event);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked by the worker thread to process FCF table
|
|
* rediscovery pending completion event.
|
|
**/
|
|
void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
|
|
{
|
|
int rc;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
/* Clear FCF rediscovery timeout event */
|
|
phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
|
|
/* Clear driver fast failover FCF record flag */
|
|
phba->fcf.failover_rec.flag = 0;
|
|
/* Set state for FCF fast failover */
|
|
phba->fcf.fcf_flag |= FCF_REDISC_FOV;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Scan FCF table from the first entry to re-discover SAN */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
|
|
"2777 Start post-quiescent FCF table scan\n");
|
|
rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
|
|
if (rc)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
|
|
"2747 Issue FCF scan read FCF mailbox "
|
|
"command failed 0x%x\n", rc);
|
|
}
|
|
|
|
/**
|
|
* lpfc_api_table_setup - Set up per hba pci-device group func api jump table
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @dev_grp: The HBA PCI-Device group number.
|
|
*
|
|
* This routine is invoked to set up the per HBA PCI-Device group function
|
|
* API jump table entries.
|
|
*
|
|
* Return: 0 if success, otherwise -ENODEV
|
|
**/
|
|
int
|
|
lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
|
|
{
|
|
int rc;
|
|
|
|
/* Set up lpfc PCI-device group */
|
|
phba->pci_dev_grp = dev_grp;
|
|
|
|
/* The LPFC_PCI_DEV_OC uses SLI4 */
|
|
if (dev_grp == LPFC_PCI_DEV_OC)
|
|
phba->sli_rev = LPFC_SLI_REV4;
|
|
|
|
/* Set up device INIT API function jump table */
|
|
rc = lpfc_init_api_table_setup(phba, dev_grp);
|
|
if (rc)
|
|
return -ENODEV;
|
|
/* Set up SCSI API function jump table */
|
|
rc = lpfc_scsi_api_table_setup(phba, dev_grp);
|
|
if (rc)
|
|
return -ENODEV;
|
|
/* Set up SLI API function jump table */
|
|
rc = lpfc_sli_api_table_setup(phba, dev_grp);
|
|
if (rc)
|
|
return -ENODEV;
|
|
/* Set up MBOX API function jump table */
|
|
rc = lpfc_mbox_api_table_setup(phba, dev_grp);
|
|
if (rc)
|
|
return -ENODEV;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_log_intr_mode - Log the active interrupt mode
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @intr_mode: active interrupt mode adopted.
|
|
*
|
|
* This routine it invoked to log the currently used active interrupt mode
|
|
* to the device.
|
|
**/
|
|
static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
|
|
{
|
|
switch (intr_mode) {
|
|
case 0:
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0470 Enable INTx interrupt mode.\n");
|
|
break;
|
|
case 1:
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0481 Enabled MSI interrupt mode.\n");
|
|
break;
|
|
case 2:
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0480 Enabled MSI-X interrupt mode.\n");
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0482 Illegal interrupt mode.\n");
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_enable_pci_dev - Enable a generic PCI device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable the PCI device that is common to all
|
|
* PCI devices.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_enable_pci_dev(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev;
|
|
int bars = 0;
|
|
|
|
/* Obtain PCI device reference */
|
|
if (!phba->pcidev)
|
|
goto out_error;
|
|
else
|
|
pdev = phba->pcidev;
|
|
/* Select PCI BARs */
|
|
bars = pci_select_bars(pdev, IORESOURCE_MEM);
|
|
/* Enable PCI device */
|
|
if (pci_enable_device_mem(pdev))
|
|
goto out_error;
|
|
/* Request PCI resource for the device */
|
|
if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
|
|
goto out_disable_device;
|
|
/* Set up device as PCI master and save state for EEH */
|
|
pci_set_master(pdev);
|
|
pci_try_set_mwi(pdev);
|
|
pci_save_state(pdev);
|
|
|
|
/* PCIe EEH recovery on powerpc platforms needs fundamental reset */
|
|
if (pci_is_pcie(pdev))
|
|
pdev->needs_freset = 1;
|
|
|
|
return 0;
|
|
|
|
out_disable_device:
|
|
pci_disable_device(pdev);
|
|
out_error:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1401 Failed to enable pci device, bars:x%x\n", bars);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/**
|
|
* lpfc_disable_pci_dev - Disable a generic PCI device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to disable the PCI device that is common to all
|
|
* PCI devices.
|
|
**/
|
|
static void
|
|
lpfc_disable_pci_dev(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev;
|
|
int bars;
|
|
|
|
/* Obtain PCI device reference */
|
|
if (!phba->pcidev)
|
|
return;
|
|
else
|
|
pdev = phba->pcidev;
|
|
/* Select PCI BARs */
|
|
bars = pci_select_bars(pdev, IORESOURCE_MEM);
|
|
/* Release PCI resource and disable PCI device */
|
|
pci_release_selected_regions(pdev, bars);
|
|
pci_disable_device(pdev);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_reset_hba - Reset a hba
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to reset a hba device. It brings the HBA
|
|
* offline, performs a board restart, and then brings the board back
|
|
* online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
|
|
* on outstanding mailbox commands.
|
|
**/
|
|
void
|
|
lpfc_reset_hba(struct lpfc_hba *phba)
|
|
{
|
|
/* If resets are disabled then set error state and return. */
|
|
if (!phba->cfg_enable_hba_reset) {
|
|
phba->link_state = LPFC_HBA_ERROR;
|
|
return;
|
|
}
|
|
if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
else
|
|
lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
|
|
lpfc_offline(phba);
|
|
lpfc_sli_brdrestart(phba);
|
|
lpfc_online(phba);
|
|
lpfc_unblock_mgmt_io(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This function enables the PCI SR-IOV virtual functions to a physical
|
|
* function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
|
|
* enable the number of virtual functions to the physical function. As
|
|
* not all devices support SR-IOV, the return code from the pci_enable_sriov()
|
|
* API call does not considered as an error condition for most of the device.
|
|
**/
|
|
uint16_t
|
|
lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev = phba->pcidev;
|
|
uint16_t nr_virtfn;
|
|
int pos;
|
|
|
|
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
|
|
if (pos == 0)
|
|
return 0;
|
|
|
|
pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
|
|
return nr_virtfn;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @nr_vfn: number of virtual functions to be enabled.
|
|
*
|
|
* This function enables the PCI SR-IOV virtual functions to a physical
|
|
* function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
|
|
* enable the number of virtual functions to the physical function. As
|
|
* not all devices support SR-IOV, the return code from the pci_enable_sriov()
|
|
* API call does not considered as an error condition for most of the device.
|
|
**/
|
|
int
|
|
lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
|
|
{
|
|
struct pci_dev *pdev = phba->pcidev;
|
|
uint16_t max_nr_vfn;
|
|
int rc;
|
|
|
|
max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
|
|
if (nr_vfn > max_nr_vfn) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3057 Requested vfs (%d) greater than "
|
|
"supported vfs (%d)", nr_vfn, max_nr_vfn);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = pci_enable_sriov(pdev, nr_vfn);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"2806 Failed to enable sriov on this device "
|
|
"with vfn number nr_vf:%d, rc:%d\n",
|
|
nr_vfn, rc);
|
|
} else
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"2807 Successful enable sriov on this device "
|
|
"with vfn number nr_vf:%d\n", nr_vfn);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the driver internal resources specific to
|
|
* support the SLI-3 HBA device it attached to.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli;
|
|
int rc;
|
|
|
|
/*
|
|
* Initialize timers used by driver
|
|
*/
|
|
|
|
/* Heartbeat timer */
|
|
init_timer(&phba->hb_tmofunc);
|
|
phba->hb_tmofunc.function = lpfc_hb_timeout;
|
|
phba->hb_tmofunc.data = (unsigned long)phba;
|
|
|
|
psli = &phba->sli;
|
|
/* MBOX heartbeat timer */
|
|
init_timer(&psli->mbox_tmo);
|
|
psli->mbox_tmo.function = lpfc_mbox_timeout;
|
|
psli->mbox_tmo.data = (unsigned long) phba;
|
|
/* FCP polling mode timer */
|
|
init_timer(&phba->fcp_poll_timer);
|
|
phba->fcp_poll_timer.function = lpfc_poll_timeout;
|
|
phba->fcp_poll_timer.data = (unsigned long) phba;
|
|
/* Fabric block timer */
|
|
init_timer(&phba->fabric_block_timer);
|
|
phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
|
|
phba->fabric_block_timer.data = (unsigned long) phba;
|
|
/* EA polling mode timer */
|
|
init_timer(&phba->eratt_poll);
|
|
phba->eratt_poll.function = lpfc_poll_eratt;
|
|
phba->eratt_poll.data = (unsigned long) phba;
|
|
|
|
/* Host attention work mask setup */
|
|
phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
|
|
phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
|
|
|
|
/* Get all the module params for configuring this host */
|
|
lpfc_get_cfgparam(phba);
|
|
if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
|
|
phba->menlo_flag |= HBA_MENLO_SUPPORT;
|
|
/* check for menlo minimum sg count */
|
|
if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
|
|
phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
|
|
}
|
|
|
|
if (!phba->sli.ring)
|
|
phba->sli.ring = kzalloc(LPFC_SLI3_MAX_RING *
|
|
sizeof(struct lpfc_sli_ring), GFP_KERNEL);
|
|
if (!phba->sli.ring)
|
|
return -ENOMEM;
|
|
|
|
/*
|
|
* Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
|
|
* used to create the sg_dma_buf_pool must be dynamically calculated.
|
|
*/
|
|
|
|
/* Initialize the host templates the configured values. */
|
|
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
|
|
lpfc_template_s3.sg_tablesize = phba->cfg_sg_seg_cnt;
|
|
|
|
/* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
|
|
if (phba->cfg_enable_bg) {
|
|
/*
|
|
* The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
|
|
* the FCP rsp, and a BDE for each. Sice we have no control
|
|
* over how many protection data segments the SCSI Layer
|
|
* will hand us (ie: there could be one for every block
|
|
* in the IO), we just allocate enough BDEs to accomidate
|
|
* our max amount and we need to limit lpfc_sg_seg_cnt to
|
|
* minimize the risk of running out.
|
|
*/
|
|
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
|
|
sizeof(struct fcp_rsp) +
|
|
(LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
|
|
|
|
if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
|
|
phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
|
|
|
|
/* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
|
|
phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
|
|
} else {
|
|
/*
|
|
* The scsi_buf for a regular I/O will hold the FCP cmnd,
|
|
* the FCP rsp, a BDE for each, and a BDE for up to
|
|
* cfg_sg_seg_cnt data segments.
|
|
*/
|
|
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
|
|
sizeof(struct fcp_rsp) +
|
|
((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
|
|
|
|
/* Total BDEs in BPL for scsi_sg_list */
|
|
phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
|
|
"9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
|
|
phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
|
|
phba->cfg_total_seg_cnt);
|
|
|
|
phba->max_vpi = LPFC_MAX_VPI;
|
|
/* This will be set to correct value after config_port mbox */
|
|
phba->max_vports = 0;
|
|
|
|
/*
|
|
* Initialize the SLI Layer to run with lpfc HBAs.
|
|
*/
|
|
lpfc_sli_setup(phba);
|
|
lpfc_sli_queue_setup(phba);
|
|
|
|
/* Allocate device driver memory */
|
|
if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
|
|
return -ENOMEM;
|
|
|
|
/*
|
|
* Enable sr-iov virtual functions if supported and configured
|
|
* through the module parameter.
|
|
*/
|
|
if (phba->cfg_sriov_nr_virtfn > 0) {
|
|
rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
|
|
phba->cfg_sriov_nr_virtfn);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"2808 Requested number of SR-IOV "
|
|
"virtual functions (%d) is not "
|
|
"supported\n",
|
|
phba->cfg_sriov_nr_virtfn);
|
|
phba->cfg_sriov_nr_virtfn = 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the driver internal resources set up
|
|
* specific for supporting the SLI-3 HBA device it attached to.
|
|
**/
|
|
static void
|
|
lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
|
|
{
|
|
/* Free device driver memory allocated */
|
|
lpfc_mem_free_all(phba);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the driver internal resources specific to
|
|
* support the SLI-4 HBA device it attached to.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vector_map_info *cpup;
|
|
struct lpfc_sli *psli;
|
|
LPFC_MBOXQ_t *mboxq;
|
|
int rc, i, hbq_count, max_buf_size;
|
|
uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
|
|
struct lpfc_mqe *mqe;
|
|
int longs;
|
|
int fof_vectors = 0;
|
|
|
|
/* Get all the module params for configuring this host */
|
|
lpfc_get_cfgparam(phba);
|
|
|
|
/* Before proceed, wait for POST done and device ready */
|
|
rc = lpfc_sli4_post_status_check(phba);
|
|
if (rc)
|
|
return -ENODEV;
|
|
|
|
/*
|
|
* Initialize timers used by driver
|
|
*/
|
|
|
|
/* Heartbeat timer */
|
|
init_timer(&phba->hb_tmofunc);
|
|
phba->hb_tmofunc.function = lpfc_hb_timeout;
|
|
phba->hb_tmofunc.data = (unsigned long)phba;
|
|
init_timer(&phba->rrq_tmr);
|
|
phba->rrq_tmr.function = lpfc_rrq_timeout;
|
|
phba->rrq_tmr.data = (unsigned long)phba;
|
|
|
|
psli = &phba->sli;
|
|
/* MBOX heartbeat timer */
|
|
init_timer(&psli->mbox_tmo);
|
|
psli->mbox_tmo.function = lpfc_mbox_timeout;
|
|
psli->mbox_tmo.data = (unsigned long) phba;
|
|
/* Fabric block timer */
|
|
init_timer(&phba->fabric_block_timer);
|
|
phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
|
|
phba->fabric_block_timer.data = (unsigned long) phba;
|
|
/* EA polling mode timer */
|
|
init_timer(&phba->eratt_poll);
|
|
phba->eratt_poll.function = lpfc_poll_eratt;
|
|
phba->eratt_poll.data = (unsigned long) phba;
|
|
/* FCF rediscover timer */
|
|
init_timer(&phba->fcf.redisc_wait);
|
|
phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
|
|
phba->fcf.redisc_wait.data = (unsigned long)phba;
|
|
|
|
/*
|
|
* Control structure for handling external multi-buffer mailbox
|
|
* command pass-through.
|
|
*/
|
|
memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
|
|
sizeof(struct lpfc_mbox_ext_buf_ctx));
|
|
INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
|
|
|
|
phba->max_vpi = LPFC_MAX_VPI;
|
|
|
|
/* This will be set to correct value after the read_config mbox */
|
|
phba->max_vports = 0;
|
|
|
|
/* Program the default value of vlan_id and fc_map */
|
|
phba->valid_vlan = 0;
|
|
phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
|
|
phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
|
|
phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
|
|
|
|
/*
|
|
* For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
|
|
* we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
|
|
*/
|
|
if (!phba->sli.ring)
|
|
phba->sli.ring = kzalloc(
|
|
(LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
|
|
sizeof(struct lpfc_sli_ring), GFP_KERNEL);
|
|
if (!phba->sli.ring)
|
|
return -ENOMEM;
|
|
|
|
/*
|
|
* It doesn't matter what family our adapter is in, we are
|
|
* limited to 2 Pages, 512 SGEs, for our SGL.
|
|
* There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
|
|
*/
|
|
max_buf_size = (2 * SLI4_PAGE_SIZE);
|
|
if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
|
|
phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
|
|
|
|
/*
|
|
* Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
|
|
* used to create the sg_dma_buf_pool must be dynamically calculated.
|
|
*/
|
|
|
|
if (phba->cfg_enable_bg) {
|
|
/*
|
|
* The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
|
|
* the FCP rsp, and a SGE for each. Sice we have no control
|
|
* over how many protection data segments the SCSI Layer
|
|
* will hand us (ie: there could be one for every block
|
|
* in the IO), we just allocate enough SGEs to accomidate
|
|
* our max amount and we need to limit lpfc_sg_seg_cnt to
|
|
* minimize the risk of running out.
|
|
*/
|
|
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
|
|
sizeof(struct fcp_rsp) + max_buf_size;
|
|
|
|
/* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
|
|
phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
|
|
|
|
if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
|
|
phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
|
|
} else {
|
|
/*
|
|
* The scsi_buf for a regular I/O will hold the FCP cmnd,
|
|
* the FCP rsp, a SGE for each, and a SGE for up to
|
|
* cfg_sg_seg_cnt data segments.
|
|
*/
|
|
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
|
|
sizeof(struct fcp_rsp) +
|
|
((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
|
|
|
|
/* Total SGEs for scsi_sg_list */
|
|
phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
|
|
/*
|
|
* NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
|
|
* to post 1 page for the SGL.
|
|
*/
|
|
}
|
|
|
|
/* Initialize the host templates with the updated values. */
|
|
lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
|
|
lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
|
|
|
|
if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
|
|
phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
|
|
else
|
|
phba->cfg_sg_dma_buf_size =
|
|
SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
|
|
"9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
|
|
phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
|
|
phba->cfg_total_seg_cnt);
|
|
|
|
/* Initialize buffer queue management fields */
|
|
hbq_count = lpfc_sli_hbq_count();
|
|
for (i = 0; i < hbq_count; ++i)
|
|
INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
|
|
INIT_LIST_HEAD(&phba->rb_pend_list);
|
|
phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
|
|
phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
|
|
|
|
/*
|
|
* Initialize the SLI Layer to run with lpfc SLI4 HBAs.
|
|
*/
|
|
/* Initialize the Abort scsi buffer list used by driver */
|
|
spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
|
|
/* This abort list used by worker thread */
|
|
spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
|
|
|
|
/*
|
|
* Initialize driver internal slow-path work queues
|
|
*/
|
|
|
|
/* Driver internel slow-path CQ Event pool */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
|
|
/* Response IOCB work queue list */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
|
|
/* Asynchronous event CQ Event work queue list */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
|
|
/* Fast-path XRI aborted CQ Event work queue list */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
|
|
/* Slow-path XRI aborted CQ Event work queue list */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
|
|
/* Receive queue CQ Event work queue list */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
|
|
|
|
/* Initialize extent block lists. */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
|
|
INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
|
|
|
|
/* Initialize the driver internal SLI layer lists. */
|
|
lpfc_sli_setup(phba);
|
|
lpfc_sli_queue_setup(phba);
|
|
|
|
/* Allocate device driver memory */
|
|
rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
|
|
if (rc)
|
|
return -ENOMEM;
|
|
|
|
/* IF Type 2 ports get initialized now. */
|
|
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
|
|
LPFC_SLI_INTF_IF_TYPE_2) {
|
|
rc = lpfc_pci_function_reset(phba);
|
|
if (unlikely(rc))
|
|
return -ENODEV;
|
|
phba->temp_sensor_support = 1;
|
|
}
|
|
|
|
/* Create the bootstrap mailbox command */
|
|
rc = lpfc_create_bootstrap_mbox(phba);
|
|
if (unlikely(rc))
|
|
goto out_free_mem;
|
|
|
|
/* Set up the host's endian order with the device. */
|
|
rc = lpfc_setup_endian_order(phba);
|
|
if (unlikely(rc))
|
|
goto out_free_bsmbx;
|
|
|
|
/* Set up the hba's configuration parameters. */
|
|
rc = lpfc_sli4_read_config(phba);
|
|
if (unlikely(rc))
|
|
goto out_free_bsmbx;
|
|
rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
|
|
if (unlikely(rc))
|
|
goto out_free_bsmbx;
|
|
|
|
/* IF Type 0 ports get initialized now. */
|
|
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
|
|
LPFC_SLI_INTF_IF_TYPE_0) {
|
|
rc = lpfc_pci_function_reset(phba);
|
|
if (unlikely(rc))
|
|
goto out_free_bsmbx;
|
|
}
|
|
|
|
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
|
|
GFP_KERNEL);
|
|
if (!mboxq) {
|
|
rc = -ENOMEM;
|
|
goto out_free_bsmbx;
|
|
}
|
|
|
|
/* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
|
|
lpfc_supported_pages(mboxq);
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
if (!rc) {
|
|
mqe = &mboxq->u.mqe;
|
|
memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
|
|
LPFC_MAX_SUPPORTED_PAGES);
|
|
for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
|
|
switch (pn_page[i]) {
|
|
case LPFC_SLI4_PARAMETERS:
|
|
phba->sli4_hba.pc_sli4_params.supported = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
/* Read the port's SLI4 Parameters capabilities if supported. */
|
|
if (phba->sli4_hba.pc_sli4_params.supported)
|
|
rc = lpfc_pc_sli4_params_get(phba, mboxq);
|
|
if (rc) {
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
rc = -EIO;
|
|
goto out_free_bsmbx;
|
|
}
|
|
}
|
|
/*
|
|
* Get sli4 parameters that override parameters from Port capabilities.
|
|
* If this call fails, it isn't critical unless the SLI4 parameters come
|
|
* back in conflict.
|
|
*/
|
|
rc = lpfc_get_sli4_parameters(phba, mboxq);
|
|
if (rc) {
|
|
if (phba->sli4_hba.extents_in_use &&
|
|
phba->sli4_hba.rpi_hdrs_in_use) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2999 Unsupported SLI4 Parameters "
|
|
"Extents and RPI headers enabled.\n");
|
|
goto out_free_bsmbx;
|
|
}
|
|
}
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
|
|
/* Verify OAS is supported */
|
|
lpfc_sli4_oas_verify(phba);
|
|
if (phba->cfg_fof)
|
|
fof_vectors = 1;
|
|
|
|
/* Verify all the SLI4 queues */
|
|
rc = lpfc_sli4_queue_verify(phba);
|
|
if (rc)
|
|
goto out_free_bsmbx;
|
|
|
|
/* Create driver internal CQE event pool */
|
|
rc = lpfc_sli4_cq_event_pool_create(phba);
|
|
if (rc)
|
|
goto out_free_bsmbx;
|
|
|
|
/* Initialize sgl lists per host */
|
|
lpfc_init_sgl_list(phba);
|
|
|
|
/* Allocate and initialize active sgl array */
|
|
rc = lpfc_init_active_sgl_array(phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1430 Failed to initialize sgl list.\n");
|
|
goto out_destroy_cq_event_pool;
|
|
}
|
|
rc = lpfc_sli4_init_rpi_hdrs(phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1432 Failed to initialize rpi headers.\n");
|
|
goto out_free_active_sgl;
|
|
}
|
|
|
|
/* Allocate eligible FCF bmask memory for FCF roundrobin failover */
|
|
longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
|
|
phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
|
|
GFP_KERNEL);
|
|
if (!phba->fcf.fcf_rr_bmask) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2759 Failed allocate memory for FCF round "
|
|
"robin failover bmask\n");
|
|
rc = -ENOMEM;
|
|
goto out_remove_rpi_hdrs;
|
|
}
|
|
|
|
phba->sli4_hba.fcp_eq_hdl =
|
|
kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
|
|
(fof_vectors + phba->cfg_fcp_io_channel)),
|
|
GFP_KERNEL);
|
|
if (!phba->sli4_hba.fcp_eq_hdl) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2572 Failed allocate memory for "
|
|
"fast-path per-EQ handle array\n");
|
|
rc = -ENOMEM;
|
|
goto out_free_fcf_rr_bmask;
|
|
}
|
|
|
|
phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
|
|
(fof_vectors +
|
|
phba->cfg_fcp_io_channel)), GFP_KERNEL);
|
|
if (!phba->sli4_hba.msix_entries) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2573 Failed allocate memory for msi-x "
|
|
"interrupt vector entries\n");
|
|
rc = -ENOMEM;
|
|
goto out_free_fcp_eq_hdl;
|
|
}
|
|
|
|
phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
|
|
phba->sli4_hba.num_present_cpu),
|
|
GFP_KERNEL);
|
|
if (!phba->sli4_hba.cpu_map) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3327 Failed allocate memory for msi-x "
|
|
"interrupt vector mapping\n");
|
|
rc = -ENOMEM;
|
|
goto out_free_msix;
|
|
}
|
|
if (lpfc_used_cpu == NULL) {
|
|
lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
|
|
GFP_KERNEL);
|
|
if (!lpfc_used_cpu) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3335 Failed allocate memory for msi-x "
|
|
"interrupt vector mapping\n");
|
|
kfree(phba->sli4_hba.cpu_map);
|
|
rc = -ENOMEM;
|
|
goto out_free_msix;
|
|
}
|
|
for (i = 0; i < lpfc_present_cpu; i++)
|
|
lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
|
|
}
|
|
|
|
/* Initialize io channels for round robin */
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
rc = 0;
|
|
for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
|
|
cpup->channel_id = rc;
|
|
rc++;
|
|
if (rc >= phba->cfg_fcp_io_channel)
|
|
rc = 0;
|
|
}
|
|
|
|
/*
|
|
* Enable sr-iov virtual functions if supported and configured
|
|
* through the module parameter.
|
|
*/
|
|
if (phba->cfg_sriov_nr_virtfn > 0) {
|
|
rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
|
|
phba->cfg_sriov_nr_virtfn);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"3020 Requested number of SR-IOV "
|
|
"virtual functions (%d) is not "
|
|
"supported\n",
|
|
phba->cfg_sriov_nr_virtfn);
|
|
phba->cfg_sriov_nr_virtfn = 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_msix:
|
|
kfree(phba->sli4_hba.msix_entries);
|
|
out_free_fcp_eq_hdl:
|
|
kfree(phba->sli4_hba.fcp_eq_hdl);
|
|
out_free_fcf_rr_bmask:
|
|
kfree(phba->fcf.fcf_rr_bmask);
|
|
out_remove_rpi_hdrs:
|
|
lpfc_sli4_remove_rpi_hdrs(phba);
|
|
out_free_active_sgl:
|
|
lpfc_free_active_sgl(phba);
|
|
out_destroy_cq_event_pool:
|
|
lpfc_sli4_cq_event_pool_destroy(phba);
|
|
out_free_bsmbx:
|
|
lpfc_destroy_bootstrap_mbox(phba);
|
|
out_free_mem:
|
|
lpfc_mem_free(phba);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the driver internal resources set up
|
|
* specific for supporting the SLI-4 HBA device it attached to.
|
|
**/
|
|
static void
|
|
lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
|
|
|
|
/* Free memory allocated for msi-x interrupt vector to CPU mapping */
|
|
kfree(phba->sli4_hba.cpu_map);
|
|
phba->sli4_hba.num_present_cpu = 0;
|
|
phba->sli4_hba.num_online_cpu = 0;
|
|
phba->sli4_hba.curr_disp_cpu = 0;
|
|
|
|
/* Free memory allocated for msi-x interrupt vector entries */
|
|
kfree(phba->sli4_hba.msix_entries);
|
|
|
|
/* Free memory allocated for fast-path work queue handles */
|
|
kfree(phba->sli4_hba.fcp_eq_hdl);
|
|
|
|
/* Free the allocated rpi headers. */
|
|
lpfc_sli4_remove_rpi_hdrs(phba);
|
|
lpfc_sli4_remove_rpis(phba);
|
|
|
|
/* Free eligible FCF index bmask */
|
|
kfree(phba->fcf.fcf_rr_bmask);
|
|
|
|
/* Free the ELS sgl list */
|
|
lpfc_free_active_sgl(phba);
|
|
lpfc_free_els_sgl_list(phba);
|
|
|
|
/* Free the completion queue EQ event pool */
|
|
lpfc_sli4_cq_event_release_all(phba);
|
|
lpfc_sli4_cq_event_pool_destroy(phba);
|
|
|
|
/* Release resource identifiers. */
|
|
lpfc_sli4_dealloc_resource_identifiers(phba);
|
|
|
|
/* Free the bsmbx region. */
|
|
lpfc_destroy_bootstrap_mbox(phba);
|
|
|
|
/* Free the SLI Layer memory with SLI4 HBAs */
|
|
lpfc_mem_free_all(phba);
|
|
|
|
/* Free the current connect table */
|
|
list_for_each_entry_safe(conn_entry, next_conn_entry,
|
|
&phba->fcf_conn_rec_list, list) {
|
|
list_del_init(&conn_entry->list);
|
|
kfree(conn_entry);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_init_api_table_setup - Set up init api function jump table
|
|
* @phba: The hba struct for which this call is being executed.
|
|
* @dev_grp: The HBA PCI-Device group number.
|
|
*
|
|
* This routine sets up the device INIT interface API function jump table
|
|
* in @phba struct.
|
|
*
|
|
* Returns: 0 - success, -ENODEV - failure.
|
|
**/
|
|
int
|
|
lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
|
|
{
|
|
phba->lpfc_hba_init_link = lpfc_hba_init_link;
|
|
phba->lpfc_hba_down_link = lpfc_hba_down_link;
|
|
phba->lpfc_selective_reset = lpfc_selective_reset;
|
|
switch (dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
|
|
phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
|
|
phba->lpfc_stop_port = lpfc_stop_port_s3;
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
|
|
phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
|
|
phba->lpfc_stop_port = lpfc_stop_port_s4;
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1431 Invalid HBA PCI-device group: 0x%x\n",
|
|
dev_grp);
|
|
return -ENODEV;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the driver internal resources before the
|
|
* device specific resource setup to support the HBA device it attached to.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
|
|
{
|
|
/*
|
|
* Driver resources common to all SLI revisions
|
|
*/
|
|
atomic_set(&phba->fast_event_count, 0);
|
|
spin_lock_init(&phba->hbalock);
|
|
|
|
/* Initialize ndlp management spinlock */
|
|
spin_lock_init(&phba->ndlp_lock);
|
|
|
|
INIT_LIST_HEAD(&phba->port_list);
|
|
INIT_LIST_HEAD(&phba->work_list);
|
|
init_waitqueue_head(&phba->wait_4_mlo_m_q);
|
|
|
|
/* Initialize the wait queue head for the kernel thread */
|
|
init_waitqueue_head(&phba->work_waitq);
|
|
|
|
/* Initialize the scsi buffer list used by driver for scsi IO */
|
|
spin_lock_init(&phba->scsi_buf_list_get_lock);
|
|
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
|
|
spin_lock_init(&phba->scsi_buf_list_put_lock);
|
|
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
|
|
|
|
/* Initialize the fabric iocb list */
|
|
INIT_LIST_HEAD(&phba->fabric_iocb_list);
|
|
|
|
/* Initialize list to save ELS buffers */
|
|
INIT_LIST_HEAD(&phba->elsbuf);
|
|
|
|
/* Initialize FCF connection rec list */
|
|
INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
|
|
|
|
/* Initialize OAS configuration list */
|
|
spin_lock_init(&phba->devicelock);
|
|
INIT_LIST_HEAD(&phba->luns);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the driver internal resources after the
|
|
* device specific resource setup to support the HBA device it attached to.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
|
|
{
|
|
int error;
|
|
|
|
/* Startup the kernel thread for this host adapter. */
|
|
phba->worker_thread = kthread_run(lpfc_do_work, phba,
|
|
"lpfc_worker_%d", phba->brd_no);
|
|
if (IS_ERR(phba->worker_thread)) {
|
|
error = PTR_ERR(phba->worker_thread);
|
|
return error;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the driver internal resources set up after
|
|
* the device specific resource setup for supporting the HBA device it
|
|
* attached to.
|
|
**/
|
|
static void
|
|
lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
|
|
{
|
|
/* Stop kernel worker thread */
|
|
kthread_stop(phba->worker_thread);
|
|
}
|
|
|
|
/**
|
|
* lpfc_free_iocb_list - Free iocb list.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to free the driver's IOCB list and memory.
|
|
**/
|
|
static void
|
|
lpfc_free_iocb_list(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_for_each_entry_safe(iocbq_entry, iocbq_next,
|
|
&phba->lpfc_iocb_list, list) {
|
|
list_del(&iocbq_entry->list);
|
|
kfree(iocbq_entry);
|
|
phba->total_iocbq_bufs--;
|
|
}
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_init_iocb_list - Allocate and initialize iocb list.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate and initizlize the driver's IOCB
|
|
* list and set up the IOCB tag array accordingly.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
|
|
{
|
|
struct lpfc_iocbq *iocbq_entry = NULL;
|
|
uint16_t iotag;
|
|
int i;
|
|
|
|
/* Initialize and populate the iocb list per host. */
|
|
INIT_LIST_HEAD(&phba->lpfc_iocb_list);
|
|
for (i = 0; i < iocb_count; i++) {
|
|
iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
|
|
if (iocbq_entry == NULL) {
|
|
printk(KERN_ERR "%s: only allocated %d iocbs of "
|
|
"expected %d count. Unloading driver.\n",
|
|
__func__, i, LPFC_IOCB_LIST_CNT);
|
|
goto out_free_iocbq;
|
|
}
|
|
|
|
iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
|
|
if (iotag == 0) {
|
|
kfree(iocbq_entry);
|
|
printk(KERN_ERR "%s: failed to allocate IOTAG. "
|
|
"Unloading driver.\n", __func__);
|
|
goto out_free_iocbq;
|
|
}
|
|
iocbq_entry->sli4_lxritag = NO_XRI;
|
|
iocbq_entry->sli4_xritag = NO_XRI;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
|
|
phba->total_iocbq_bufs++;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_free_iocbq:
|
|
lpfc_free_iocb_list(phba);
|
|
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/**
|
|
* lpfc_free_sgl_list - Free a given sgl list.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @sglq_list: pointer to the head of sgl list.
|
|
*
|
|
* This routine is invoked to free a give sgl list and memory.
|
|
**/
|
|
void
|
|
lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
|
|
{
|
|
struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
|
|
|
|
list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
|
|
list_del(&sglq_entry->list);
|
|
lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
|
|
kfree(sglq_entry);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_free_els_sgl_list - Free els sgl list.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to free the driver's els sgl list and memory.
|
|
**/
|
|
static void
|
|
lpfc_free_els_sgl_list(struct lpfc_hba *phba)
|
|
{
|
|
LIST_HEAD(sglq_list);
|
|
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
|
|
|
|
/* Retrieve all els sgls from driver list */
|
|
spin_lock_irq(&phba->hbalock);
|
|
spin_lock(&pring->ring_lock);
|
|
list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
|
|
spin_unlock(&pring->ring_lock);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Now free the sgl list */
|
|
lpfc_free_sgl_list(phba, &sglq_list);
|
|
}
|
|
|
|
/**
|
|
* lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate the driver's active sgl memory.
|
|
* This array will hold the sglq_entry's for active IOs.
|
|
**/
|
|
static int
|
|
lpfc_init_active_sgl_array(struct lpfc_hba *phba)
|
|
{
|
|
int size;
|
|
size = sizeof(struct lpfc_sglq *);
|
|
size *= phba->sli4_hba.max_cfg_param.max_xri;
|
|
|
|
phba->sli4_hba.lpfc_sglq_active_list =
|
|
kzalloc(size, GFP_KERNEL);
|
|
if (!phba->sli4_hba.lpfc_sglq_active_list)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to walk through the array of active sglq entries
|
|
* and free all of the resources.
|
|
* This is just a place holder for now.
|
|
**/
|
|
static void
|
|
lpfc_free_active_sgl(struct lpfc_hba *phba)
|
|
{
|
|
kfree(phba->sli4_hba.lpfc_sglq_active_list);
|
|
}
|
|
|
|
/**
|
|
* lpfc_init_sgl_list - Allocate and initialize sgl list.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate and initizlize the driver's sgl
|
|
* list and set up the sgl xritag tag array accordingly.
|
|
*
|
|
**/
|
|
static void
|
|
lpfc_init_sgl_list(struct lpfc_hba *phba)
|
|
{
|
|
/* Initialize and populate the sglq list per host/VF. */
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
|
|
|
|
/* els xri-sgl book keeping */
|
|
phba->sli4_hba.els_xri_cnt = 0;
|
|
|
|
/* scsi xri-buffer book keeping */
|
|
phba->sli4_hba.scsi_xri_cnt = 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to post rpi header templates to the
|
|
* port for those SLI4 ports that do not support extents. This routine
|
|
* posts a PAGE_SIZE memory region to the port to hold up to
|
|
* PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
|
|
* and should be called only when interrupts are disabled.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ERROR - otherwise.
|
|
**/
|
|
int
|
|
lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
|
|
{
|
|
int rc = 0;
|
|
struct lpfc_rpi_hdr *rpi_hdr;
|
|
|
|
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
|
|
if (!phba->sli4_hba.rpi_hdrs_in_use)
|
|
return rc;
|
|
if (phba->sli4_hba.extents_in_use)
|
|
return -EIO;
|
|
|
|
rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
|
|
if (!rpi_hdr) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
|
|
"0391 Error during rpi post operation\n");
|
|
lpfc_sli4_remove_rpis(phba);
|
|
rc = -ENODEV;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate a single 4KB memory region to
|
|
* support rpis and stores them in the phba. This single region
|
|
* provides support for up to 64 rpis. The region is used globally
|
|
* by the device.
|
|
*
|
|
* Returns:
|
|
* A valid rpi hdr on success.
|
|
* A NULL pointer on any failure.
|
|
**/
|
|
struct lpfc_rpi_hdr *
|
|
lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
|
|
{
|
|
uint16_t rpi_limit, curr_rpi_range;
|
|
struct lpfc_dmabuf *dmabuf;
|
|
struct lpfc_rpi_hdr *rpi_hdr;
|
|
uint32_t rpi_count;
|
|
|
|
/*
|
|
* If the SLI4 port supports extents, posting the rpi header isn't
|
|
* required. Set the expected maximum count and let the actual value
|
|
* get set when extents are fully allocated.
|
|
*/
|
|
if (!phba->sli4_hba.rpi_hdrs_in_use)
|
|
return NULL;
|
|
if (phba->sli4_hba.extents_in_use)
|
|
return NULL;
|
|
|
|
/* The limit on the logical index is just the max_rpi count. */
|
|
rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
|
|
phba->sli4_hba.max_cfg_param.max_rpi - 1;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
/*
|
|
* Establish the starting RPI in this header block. The starting
|
|
* rpi is normalized to a zero base because the physical rpi is
|
|
* port based.
|
|
*/
|
|
curr_rpi_range = phba->sli4_hba.next_rpi;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/*
|
|
* The port has a limited number of rpis. The increment here
|
|
* is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
|
|
* and to allow the full max_rpi range per port.
|
|
*/
|
|
if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
|
|
rpi_count = rpi_limit - curr_rpi_range;
|
|
else
|
|
rpi_count = LPFC_RPI_HDR_COUNT;
|
|
|
|
if (!rpi_count)
|
|
return NULL;
|
|
/*
|
|
* First allocate the protocol header region for the port. The
|
|
* port expects a 4KB DMA-mapped memory region that is 4K aligned.
|
|
*/
|
|
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!dmabuf)
|
|
return NULL;
|
|
|
|
dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
|
|
LPFC_HDR_TEMPLATE_SIZE,
|
|
&dmabuf->phys, GFP_KERNEL);
|
|
if (!dmabuf->virt) {
|
|
rpi_hdr = NULL;
|
|
goto err_free_dmabuf;
|
|
}
|
|
|
|
if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
|
|
rpi_hdr = NULL;
|
|
goto err_free_coherent;
|
|
}
|
|
|
|
/* Save the rpi header data for cleanup later. */
|
|
rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
|
|
if (!rpi_hdr)
|
|
goto err_free_coherent;
|
|
|
|
rpi_hdr->dmabuf = dmabuf;
|
|
rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
|
|
rpi_hdr->page_count = 1;
|
|
spin_lock_irq(&phba->hbalock);
|
|
|
|
/* The rpi_hdr stores the logical index only. */
|
|
rpi_hdr->start_rpi = curr_rpi_range;
|
|
list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
|
|
|
|
/*
|
|
* The next_rpi stores the next logical module-64 rpi value used
|
|
* to post physical rpis in subsequent rpi postings.
|
|
*/
|
|
phba->sli4_hba.next_rpi += rpi_count;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return rpi_hdr;
|
|
|
|
err_free_coherent:
|
|
dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
|
|
dmabuf->virt, dmabuf->phys);
|
|
err_free_dmabuf:
|
|
kfree(dmabuf);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to remove all memory resources allocated
|
|
* to support rpis for SLI4 ports not supporting extents. This routine
|
|
* presumes the caller has released all rpis consumed by fabric or port
|
|
* logins and is prepared to have the header pages removed.
|
|
**/
|
|
void
|
|
lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
|
|
|
|
if (!phba->sli4_hba.rpi_hdrs_in_use)
|
|
goto exit;
|
|
|
|
list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
|
|
&phba->sli4_hba.lpfc_rpi_hdr_list, list) {
|
|
list_del(&rpi_hdr->list);
|
|
dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
|
|
rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
|
|
kfree(rpi_hdr->dmabuf);
|
|
kfree(rpi_hdr);
|
|
}
|
|
exit:
|
|
/* There are no rpis available to the port now. */
|
|
phba->sli4_hba.next_rpi = 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_alloc - Allocate driver hba data structure for a device.
|
|
* @pdev: pointer to pci device data structure.
|
|
*
|
|
* This routine is invoked to allocate the driver hba data structure for an
|
|
* HBA device. If the allocation is successful, the phba reference to the
|
|
* PCI device data structure is set.
|
|
*
|
|
* Return codes
|
|
* pointer to @phba - successful
|
|
* NULL - error
|
|
**/
|
|
static struct lpfc_hba *
|
|
lpfc_hba_alloc(struct pci_dev *pdev)
|
|
{
|
|
struct lpfc_hba *phba;
|
|
|
|
/* Allocate memory for HBA structure */
|
|
phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
|
|
if (!phba) {
|
|
dev_err(&pdev->dev, "failed to allocate hba struct\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* Set reference to PCI device in HBA structure */
|
|
phba->pcidev = pdev;
|
|
|
|
/* Assign an unused board number */
|
|
phba->brd_no = lpfc_get_instance();
|
|
if (phba->brd_no < 0) {
|
|
kfree(phba);
|
|
return NULL;
|
|
}
|
|
|
|
spin_lock_init(&phba->ct_ev_lock);
|
|
INIT_LIST_HEAD(&phba->ct_ev_waiters);
|
|
|
|
return phba;
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_free - Free driver hba data structure with a device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to free the driver hba data structure with an
|
|
* HBA device.
|
|
**/
|
|
static void
|
|
lpfc_hba_free(struct lpfc_hba *phba)
|
|
{
|
|
/* Release the driver assigned board number */
|
|
idr_remove(&lpfc_hba_index, phba->brd_no);
|
|
|
|
/* Free memory allocated with sli rings */
|
|
kfree(phba->sli.ring);
|
|
phba->sli.ring = NULL;
|
|
|
|
kfree(phba);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_create_shost - Create hba physical port with associated scsi host.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to create HBA physical port and associate a SCSI
|
|
* host with it.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_create_shost(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport;
|
|
struct Scsi_Host *shost;
|
|
|
|
/* Initialize HBA FC structure */
|
|
phba->fc_edtov = FF_DEF_EDTOV;
|
|
phba->fc_ratov = FF_DEF_RATOV;
|
|
phba->fc_altov = FF_DEF_ALTOV;
|
|
phba->fc_arbtov = FF_DEF_ARBTOV;
|
|
|
|
atomic_set(&phba->sdev_cnt, 0);
|
|
vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
|
|
if (!vport)
|
|
return -ENODEV;
|
|
|
|
shost = lpfc_shost_from_vport(vport);
|
|
phba->pport = vport;
|
|
lpfc_debugfs_initialize(vport);
|
|
/* Put reference to SCSI host to driver's device private data */
|
|
pci_set_drvdata(phba->pcidev, shost);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to destroy HBA physical port and the associated
|
|
* SCSI host.
|
|
**/
|
|
static void
|
|
lpfc_destroy_shost(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
|
|
/* Destroy physical port that associated with the SCSI host */
|
|
destroy_port(vport);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_setup_bg - Setup Block guard structures and debug areas.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @shost: the shost to be used to detect Block guard settings.
|
|
*
|
|
* This routine sets up the local Block guard protocol settings for @shost.
|
|
* This routine also allocates memory for debugging bg buffers.
|
|
**/
|
|
static void
|
|
lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
|
|
{
|
|
uint32_t old_mask;
|
|
uint32_t old_guard;
|
|
|
|
int pagecnt = 10;
|
|
if (lpfc_prot_mask && lpfc_prot_guard) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"1478 Registering BlockGuard with the "
|
|
"SCSI layer\n");
|
|
|
|
old_mask = lpfc_prot_mask;
|
|
old_guard = lpfc_prot_guard;
|
|
|
|
/* Only allow supported values */
|
|
lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
|
|
SHOST_DIX_TYPE0_PROTECTION |
|
|
SHOST_DIX_TYPE1_PROTECTION);
|
|
lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
|
|
|
|
/* DIF Type 1 protection for profiles AST1/C1 is end to end */
|
|
if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
|
|
lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
|
|
|
|
if (lpfc_prot_mask && lpfc_prot_guard) {
|
|
if ((old_mask != lpfc_prot_mask) ||
|
|
(old_guard != lpfc_prot_guard))
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1475 Registering BlockGuard with the "
|
|
"SCSI layer: mask %d guard %d\n",
|
|
lpfc_prot_mask, lpfc_prot_guard);
|
|
|
|
scsi_host_set_prot(shost, lpfc_prot_mask);
|
|
scsi_host_set_guard(shost, lpfc_prot_guard);
|
|
} else
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1479 Not Registering BlockGuard with the SCSI "
|
|
"layer, Bad protection parameters: %d %d\n",
|
|
old_mask, old_guard);
|
|
}
|
|
|
|
if (!_dump_buf_data) {
|
|
while (pagecnt) {
|
|
spin_lock_init(&_dump_buf_lock);
|
|
_dump_buf_data =
|
|
(char *) __get_free_pages(GFP_KERNEL, pagecnt);
|
|
if (_dump_buf_data) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9043 BLKGRD: allocated %d pages for "
|
|
"_dump_buf_data at 0x%p\n",
|
|
(1 << pagecnt), _dump_buf_data);
|
|
_dump_buf_data_order = pagecnt;
|
|
memset(_dump_buf_data, 0,
|
|
((1 << PAGE_SHIFT) << pagecnt));
|
|
break;
|
|
} else
|
|
--pagecnt;
|
|
}
|
|
if (!_dump_buf_data_order)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9044 BLKGRD: ERROR unable to allocate "
|
|
"memory for hexdump\n");
|
|
} else
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9045 BLKGRD: already allocated _dump_buf_data=0x%p"
|
|
"\n", _dump_buf_data);
|
|
if (!_dump_buf_dif) {
|
|
while (pagecnt) {
|
|
_dump_buf_dif =
|
|
(char *) __get_free_pages(GFP_KERNEL, pagecnt);
|
|
if (_dump_buf_dif) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9046 BLKGRD: allocated %d pages for "
|
|
"_dump_buf_dif at 0x%p\n",
|
|
(1 << pagecnt), _dump_buf_dif);
|
|
_dump_buf_dif_order = pagecnt;
|
|
memset(_dump_buf_dif, 0,
|
|
((1 << PAGE_SHIFT) << pagecnt));
|
|
break;
|
|
} else
|
|
--pagecnt;
|
|
}
|
|
if (!_dump_buf_dif_order)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9047 BLKGRD: ERROR unable to allocate "
|
|
"memory for hexdump\n");
|
|
} else
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
|
"9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
|
|
_dump_buf_dif);
|
|
}
|
|
|
|
/**
|
|
* lpfc_post_init_setup - Perform necessary device post initialization setup.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to perform all the necessary post initialization
|
|
* setup for the device.
|
|
**/
|
|
static void
|
|
lpfc_post_init_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct lpfc_adapter_event_header adapter_event;
|
|
|
|
/* Get the default values for Model Name and Description */
|
|
lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
|
|
|
|
/*
|
|
* hba setup may have changed the hba_queue_depth so we need to
|
|
* adjust the value of can_queue.
|
|
*/
|
|
shost = pci_get_drvdata(phba->pcidev);
|
|
shost->can_queue = phba->cfg_hba_queue_depth - 10;
|
|
if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
|
|
lpfc_setup_bg(phba, shost);
|
|
|
|
lpfc_host_attrib_init(shost);
|
|
|
|
if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
|
|
spin_lock_irq(shost->host_lock);
|
|
lpfc_poll_start_timer(phba);
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0428 Perform SCSI scan\n");
|
|
/* Send board arrival event to upper layer */
|
|
adapter_event.event_type = FC_REG_ADAPTER_EVENT;
|
|
adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
|
|
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
|
sizeof(adapter_event),
|
|
(char *) &adapter_event,
|
|
LPFC_NL_VENDOR_ID);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the PCI device memory space for device
|
|
* with SLI-3 interface spec.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev;
|
|
unsigned long bar0map_len, bar2map_len;
|
|
int i, hbq_count;
|
|
void *ptr;
|
|
int error = -ENODEV;
|
|
|
|
/* Obtain PCI device reference */
|
|
if (!phba->pcidev)
|
|
return error;
|
|
else
|
|
pdev = phba->pcidev;
|
|
|
|
/* Set the device DMA mask size */
|
|
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
|
|
|| pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
|
|
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
|
|
|| pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
|
|
return error;
|
|
}
|
|
}
|
|
|
|
/* Get the bus address of Bar0 and Bar2 and the number of bytes
|
|
* required by each mapping.
|
|
*/
|
|
phba->pci_bar0_map = pci_resource_start(pdev, 0);
|
|
bar0map_len = pci_resource_len(pdev, 0);
|
|
|
|
phba->pci_bar2_map = pci_resource_start(pdev, 2);
|
|
bar2map_len = pci_resource_len(pdev, 2);
|
|
|
|
/* Map HBA SLIM to a kernel virtual address. */
|
|
phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
|
|
if (!phba->slim_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for SLIM memory.\n");
|
|
goto out;
|
|
}
|
|
|
|
/* Map HBA Control Registers to a kernel virtual address. */
|
|
phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
|
|
if (!phba->ctrl_regs_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for HBA control registers.\n");
|
|
goto out_iounmap_slim;
|
|
}
|
|
|
|
/* Allocate memory for SLI-2 structures */
|
|
phba->slim2p.virt = dma_zalloc_coherent(&pdev->dev, SLI2_SLIM_SIZE,
|
|
&phba->slim2p.phys, GFP_KERNEL);
|
|
if (!phba->slim2p.virt)
|
|
goto out_iounmap;
|
|
|
|
phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
|
|
phba->mbox_ext = (phba->slim2p.virt +
|
|
offsetof(struct lpfc_sli2_slim, mbx_ext_words));
|
|
phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
|
|
phba->IOCBs = (phba->slim2p.virt +
|
|
offsetof(struct lpfc_sli2_slim, IOCBs));
|
|
|
|
phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
|
|
lpfc_sli_hbq_size(),
|
|
&phba->hbqslimp.phys,
|
|
GFP_KERNEL);
|
|
if (!phba->hbqslimp.virt)
|
|
goto out_free_slim;
|
|
|
|
hbq_count = lpfc_sli_hbq_count();
|
|
ptr = phba->hbqslimp.virt;
|
|
for (i = 0; i < hbq_count; ++i) {
|
|
phba->hbqs[i].hbq_virt = ptr;
|
|
INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
|
|
ptr += (lpfc_hbq_defs[i]->entry_count *
|
|
sizeof(struct lpfc_hbq_entry));
|
|
}
|
|
phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
|
|
phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
|
|
|
|
memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
|
|
|
|
INIT_LIST_HEAD(&phba->rb_pend_list);
|
|
|
|
phba->MBslimaddr = phba->slim_memmap_p;
|
|
phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
|
|
phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
|
|
phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
|
|
phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
|
|
|
|
return 0;
|
|
|
|
out_free_slim:
|
|
dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
|
|
phba->slim2p.virt, phba->slim2p.phys);
|
|
out_iounmap:
|
|
iounmap(phba->ctrl_regs_memmap_p);
|
|
out_iounmap_slim:
|
|
iounmap(phba->slim_memmap_p);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the PCI device memory space for device
|
|
* with SLI-3 interface spec.
|
|
**/
|
|
static void
|
|
lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev;
|
|
|
|
/* Obtain PCI device reference */
|
|
if (!phba->pcidev)
|
|
return;
|
|
else
|
|
pdev = phba->pcidev;
|
|
|
|
/* Free coherent DMA memory allocated */
|
|
dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
|
|
phba->hbqslimp.virt, phba->hbqslimp.phys);
|
|
dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
|
|
phba->slim2p.virt, phba->slim2p.phys);
|
|
|
|
/* I/O memory unmap */
|
|
iounmap(phba->ctrl_regs_memmap_p);
|
|
iounmap(phba->slim_memmap_p);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to wait for SLI4 device Power On Self Test (POST)
|
|
* done and check status.
|
|
*
|
|
* Return 0 if successful, otherwise -ENODEV.
|
|
**/
|
|
int
|
|
lpfc_sli4_post_status_check(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
|
|
struct lpfc_register reg_data;
|
|
int i, port_error = 0;
|
|
uint32_t if_type;
|
|
|
|
memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
|
|
memset(®_data, 0, sizeof(reg_data));
|
|
if (!phba->sli4_hba.PSMPHRregaddr)
|
|
return -ENODEV;
|
|
|
|
/* Wait up to 30 seconds for the SLI Port POST done and ready */
|
|
for (i = 0; i < 3000; i++) {
|
|
if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
|
|
&portsmphr_reg.word0) ||
|
|
(bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
|
|
/* Port has a fatal POST error, break out */
|
|
port_error = -ENODEV;
|
|
break;
|
|
}
|
|
if (LPFC_POST_STAGE_PORT_READY ==
|
|
bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
|
|
break;
|
|
msleep(10);
|
|
}
|
|
|
|
/*
|
|
* If there was a port error during POST, then don't proceed with
|
|
* other register reads as the data may not be valid. Just exit.
|
|
*/
|
|
if (port_error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1408 Port Failed POST - portsmphr=0x%x, "
|
|
"perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
|
|
"scr2=x%x, hscratch=x%x, pstatus=x%x\n",
|
|
portsmphr_reg.word0,
|
|
bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
|
|
bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
|
|
} else {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2534 Device Info: SLIFamily=0x%x, "
|
|
"SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
|
|
"SLIHint_2=0x%x, FT=0x%x\n",
|
|
bf_get(lpfc_sli_intf_sli_family,
|
|
&phba->sli4_hba.sli_intf),
|
|
bf_get(lpfc_sli_intf_slirev,
|
|
&phba->sli4_hba.sli_intf),
|
|
bf_get(lpfc_sli_intf_if_type,
|
|
&phba->sli4_hba.sli_intf),
|
|
bf_get(lpfc_sli_intf_sli_hint1,
|
|
&phba->sli4_hba.sli_intf),
|
|
bf_get(lpfc_sli_intf_sli_hint2,
|
|
&phba->sli4_hba.sli_intf),
|
|
bf_get(lpfc_sli_intf_func_type,
|
|
&phba->sli4_hba.sli_intf));
|
|
/*
|
|
* Check for other Port errors during the initialization
|
|
* process. Fail the load if the port did not come up
|
|
* correctly.
|
|
*/
|
|
if_type = bf_get(lpfc_sli_intf_if_type,
|
|
&phba->sli4_hba.sli_intf);
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
phba->sli4_hba.ue_mask_lo =
|
|
readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
|
|
phba->sli4_hba.ue_mask_hi =
|
|
readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
|
|
uerrlo_reg.word0 =
|
|
readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
|
|
uerrhi_reg.word0 =
|
|
readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
|
|
if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
|
|
(~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1422 Unrecoverable Error "
|
|
"Detected during POST "
|
|
"uerr_lo_reg=0x%x, "
|
|
"uerr_hi_reg=0x%x, "
|
|
"ue_mask_lo_reg=0x%x, "
|
|
"ue_mask_hi_reg=0x%x\n",
|
|
uerrlo_reg.word0,
|
|
uerrhi_reg.word0,
|
|
phba->sli4_hba.ue_mask_lo,
|
|
phba->sli4_hba.ue_mask_hi);
|
|
port_error = -ENODEV;
|
|
}
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
/* Final checks. The port status should be clean. */
|
|
if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
|
|
®_data.word0) ||
|
|
(bf_get(lpfc_sliport_status_err, ®_data) &&
|
|
!bf_get(lpfc_sliport_status_rn, ®_data))) {
|
|
phba->work_status[0] =
|
|
readl(phba->sli4_hba.u.if_type2.
|
|
ERR1regaddr);
|
|
phba->work_status[1] =
|
|
readl(phba->sli4_hba.u.if_type2.
|
|
ERR2regaddr);
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2888 Unrecoverable port error "
|
|
"following POST: port status reg "
|
|
"0x%x, port_smphr reg 0x%x, "
|
|
"error 1=0x%x, error 2=0x%x\n",
|
|
reg_data.word0,
|
|
portsmphr_reg.word0,
|
|
phba->work_status[0],
|
|
phba->work_status[1]);
|
|
port_error = -ENODEV;
|
|
}
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return port_error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @if_type: The SLI4 interface type getting configured.
|
|
*
|
|
* This routine is invoked to set up SLI4 BAR0 PCI config space register
|
|
* memory map.
|
|
**/
|
|
static void
|
|
lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
|
|
{
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
phba->sli4_hba.u.if_type0.UERRLOregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
|
|
phba->sli4_hba.u.if_type0.UERRHIregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
|
|
phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
|
|
phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
|
|
phba->sli4_hba.SLIINTFregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
phba->sli4_hba.u.if_type2.ERR1regaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PORT_ER1_OFFSET;
|
|
phba->sli4_hba.u.if_type2.ERR2regaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PORT_ER2_OFFSET;
|
|
phba->sli4_hba.u.if_type2.CTRLregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PORT_CTL_OFFSET;
|
|
phba->sli4_hba.u.if_type2.STATUSregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PORT_STA_OFFSET;
|
|
phba->sli4_hba.SLIINTFregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
|
|
phba->sli4_hba.PSMPHRregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PORT_SEM_OFFSET;
|
|
phba->sli4_hba.RQDBregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_ULP0_RQ_DOORBELL;
|
|
phba->sli4_hba.WQDBregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_ULP0_WQ_DOORBELL;
|
|
phba->sli4_hba.EQCQDBregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
|
|
phba->sli4_hba.MQDBregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
|
|
phba->sli4_hba.BMBXregaddr =
|
|
phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
dev_printk(KERN_ERR, &phba->pcidev->dev,
|
|
"FATAL - unsupported SLI4 interface type - %d\n",
|
|
if_type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up SLI4 BAR1 control status register (CSR)
|
|
* memory map.
|
|
**/
|
|
static void
|
|
lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
|
|
{
|
|
phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
|
|
LPFC_SLIPORT_IF0_SMPHR;
|
|
phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
|
|
LPFC_HST_ISR0;
|
|
phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
|
|
LPFC_HST_IMR0;
|
|
phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
|
|
LPFC_HST_ISCR0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @vf: virtual function number
|
|
*
|
|
* This routine is invoked to set up SLI4 BAR2 doorbell register memory map
|
|
* based on the given viftual function number, @vf.
|
|
*
|
|
* Return 0 if successful, otherwise -ENODEV.
|
|
**/
|
|
static int
|
|
lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
|
|
{
|
|
if (vf > LPFC_VIR_FUNC_MAX)
|
|
return -ENODEV;
|
|
|
|
phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
|
|
vf * LPFC_VFR_PAGE_SIZE +
|
|
LPFC_ULP0_RQ_DOORBELL);
|
|
phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
|
|
vf * LPFC_VFR_PAGE_SIZE +
|
|
LPFC_ULP0_WQ_DOORBELL);
|
|
phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
|
|
vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
|
|
phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
|
|
vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
|
|
phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
|
|
vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to create the bootstrap mailbox
|
|
* region consistent with the SLI-4 interface spec. This
|
|
* routine allocates all memory necessary to communicate
|
|
* mailbox commands to the port and sets up all alignment
|
|
* needs. No locks are expected to be held when calling
|
|
* this routine.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - could not allocated memory.
|
|
**/
|
|
static int
|
|
lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
|
|
{
|
|
uint32_t bmbx_size;
|
|
struct lpfc_dmabuf *dmabuf;
|
|
struct dma_address *dma_address;
|
|
uint32_t pa_addr;
|
|
uint64_t phys_addr;
|
|
|
|
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!dmabuf)
|
|
return -ENOMEM;
|
|
|
|
/*
|
|
* The bootstrap mailbox region is comprised of 2 parts
|
|
* plus an alignment restriction of 16 bytes.
|
|
*/
|
|
bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
|
|
dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, bmbx_size,
|
|
&dmabuf->phys, GFP_KERNEL);
|
|
if (!dmabuf->virt) {
|
|
kfree(dmabuf);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* Initialize the bootstrap mailbox pointers now so that the register
|
|
* operations are simple later. The mailbox dma address is required
|
|
* to be 16-byte aligned. Also align the virtual memory as each
|
|
* maibox is copied into the bmbx mailbox region before issuing the
|
|
* command to the port.
|
|
*/
|
|
phba->sli4_hba.bmbx.dmabuf = dmabuf;
|
|
phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
|
|
|
|
phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
|
|
LPFC_ALIGN_16_BYTE);
|
|
phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
|
|
LPFC_ALIGN_16_BYTE);
|
|
|
|
/*
|
|
* Set the high and low physical addresses now. The SLI4 alignment
|
|
* requirement is 16 bytes and the mailbox is posted to the port
|
|
* as two 30-bit addresses. The other data is a bit marking whether
|
|
* the 30-bit address is the high or low address.
|
|
* Upcast bmbx aphys to 64bits so shift instruction compiles
|
|
* clean on 32 bit machines.
|
|
*/
|
|
dma_address = &phba->sli4_hba.bmbx.dma_address;
|
|
phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
|
|
pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
|
|
dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
|
|
LPFC_BMBX_BIT1_ADDR_HI);
|
|
|
|
pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
|
|
dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
|
|
LPFC_BMBX_BIT1_ADDR_LO);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to teardown the bootstrap mailbox
|
|
* region and release all host resources. This routine requires
|
|
* the caller to ensure all mailbox commands recovered, no
|
|
* additional mailbox comands are sent, and interrupts are disabled
|
|
* before calling this routine.
|
|
*
|
|
**/
|
|
static void
|
|
lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
|
|
{
|
|
dma_free_coherent(&phba->pcidev->dev,
|
|
phba->sli4_hba.bmbx.bmbx_size,
|
|
phba->sli4_hba.bmbx.dmabuf->virt,
|
|
phba->sli4_hba.bmbx.dmabuf->phys);
|
|
|
|
kfree(phba->sli4_hba.bmbx.dmabuf);
|
|
memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_read_config - Get the config parameters.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to read the configuration parameters from the HBA.
|
|
* The configuration parameters are used to set the base and maximum values
|
|
* for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
|
|
* allocation for the port.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
int
|
|
lpfc_sli4_read_config(struct lpfc_hba *phba)
|
|
{
|
|
LPFC_MBOXQ_t *pmb;
|
|
struct lpfc_mbx_read_config *rd_config;
|
|
union lpfc_sli4_cfg_shdr *shdr;
|
|
uint32_t shdr_status, shdr_add_status;
|
|
struct lpfc_mbx_get_func_cfg *get_func_cfg;
|
|
struct lpfc_rsrc_desc_fcfcoe *desc;
|
|
char *pdesc_0;
|
|
int length, i, rc = 0, rc2;
|
|
|
|
pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2011 Unable to allocate memory for issuing "
|
|
"SLI_CONFIG_SPECIAL mailbox command\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
lpfc_read_config(phba, pmb);
|
|
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
|
|
if (rc != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"2012 Mailbox failed , mbxCmd x%x "
|
|
"READ_CONFIG, mbxStatus x%x\n",
|
|
bf_get(lpfc_mqe_command, &pmb->u.mqe),
|
|
bf_get(lpfc_mqe_status, &pmb->u.mqe));
|
|
rc = -EIO;
|
|
} else {
|
|
rd_config = &pmb->u.mqe.un.rd_config;
|
|
if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
|
|
phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
|
|
phba->sli4_hba.lnk_info.lnk_tp =
|
|
bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
|
|
phba->sli4_hba.lnk_info.lnk_no =
|
|
bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3081 lnk_type:%d, lnk_numb:%d\n",
|
|
phba->sli4_hba.lnk_info.lnk_tp,
|
|
phba->sli4_hba.lnk_info.lnk_no);
|
|
} else
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
|
|
"3082 Mailbox (x%x) returned ldv:x0\n",
|
|
bf_get(lpfc_mqe_command, &pmb->u.mqe));
|
|
phba->sli4_hba.extents_in_use =
|
|
bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_xri =
|
|
bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.xri_base =
|
|
bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_vpi =
|
|
bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.vpi_base =
|
|
bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_rpi =
|
|
bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.rpi_base =
|
|
bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_vfi =
|
|
bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.vfi_base =
|
|
bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_fcfi =
|
|
bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_eq =
|
|
bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_rq =
|
|
bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_wq =
|
|
bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
|
|
phba->sli4_hba.max_cfg_param.max_cq =
|
|
bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
|
|
phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
|
|
phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
|
|
phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
|
|
phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
|
|
phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
|
|
(phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
|
|
phba->max_vports = phba->max_vpi;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"2003 cfg params Extents? %d "
|
|
"XRI(B:%d M:%d), "
|
|
"VPI(B:%d M:%d) "
|
|
"VFI(B:%d M:%d) "
|
|
"RPI(B:%d M:%d) "
|
|
"FCFI(Count:%d)\n",
|
|
phba->sli4_hba.extents_in_use,
|
|
phba->sli4_hba.max_cfg_param.xri_base,
|
|
phba->sli4_hba.max_cfg_param.max_xri,
|
|
phba->sli4_hba.max_cfg_param.vpi_base,
|
|
phba->sli4_hba.max_cfg_param.max_vpi,
|
|
phba->sli4_hba.max_cfg_param.vfi_base,
|
|
phba->sli4_hba.max_cfg_param.max_vfi,
|
|
phba->sli4_hba.max_cfg_param.rpi_base,
|
|
phba->sli4_hba.max_cfg_param.max_rpi,
|
|
phba->sli4_hba.max_cfg_param.max_fcfi);
|
|
}
|
|
|
|
if (rc)
|
|
goto read_cfg_out;
|
|
|
|
/* Reset the DFT_HBA_Q_DEPTH to the max xri */
|
|
length = phba->sli4_hba.max_cfg_param.max_xri -
|
|
lpfc_sli4_get_els_iocb_cnt(phba);
|
|
if (phba->cfg_hba_queue_depth > length) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"3361 HBA queue depth changed from %d to %d\n",
|
|
phba->cfg_hba_queue_depth, length);
|
|
phba->cfg_hba_queue_depth = length;
|
|
}
|
|
|
|
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
|
|
LPFC_SLI_INTF_IF_TYPE_2)
|
|
goto read_cfg_out;
|
|
|
|
/* get the pf# and vf# for SLI4 if_type 2 port */
|
|
length = (sizeof(struct lpfc_mbx_get_func_cfg) -
|
|
sizeof(struct lpfc_sli4_cfg_mhdr));
|
|
lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
|
|
LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
|
|
length, LPFC_SLI4_MBX_EMBED);
|
|
|
|
rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
|
|
shdr = (union lpfc_sli4_cfg_shdr *)
|
|
&pmb->u.mqe.un.sli4_config.header.cfg_shdr;
|
|
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
|
|
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
|
|
if (rc2 || shdr_status || shdr_add_status) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"3026 Mailbox failed , mbxCmd x%x "
|
|
"GET_FUNCTION_CONFIG, mbxStatus x%x\n",
|
|
bf_get(lpfc_mqe_command, &pmb->u.mqe),
|
|
bf_get(lpfc_mqe_status, &pmb->u.mqe));
|
|
goto read_cfg_out;
|
|
}
|
|
|
|
/* search for fc_fcoe resrouce descriptor */
|
|
get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
|
|
|
|
pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
|
|
desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
|
|
length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
|
|
if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
|
|
length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
|
|
else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
|
|
goto read_cfg_out;
|
|
|
|
for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
|
|
desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
|
|
if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
|
|
bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
|
|
phba->sli4_hba.iov.pf_number =
|
|
bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
|
|
phba->sli4_hba.iov.vf_number =
|
|
bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i < LPFC_RSRC_DESC_MAX_NUM)
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
|
"3027 GET_FUNCTION_CONFIG: pf_number:%d, "
|
|
"vf_number:%d\n", phba->sli4_hba.iov.pf_number,
|
|
phba->sli4_hba.iov.vf_number);
|
|
else
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"3028 GET_FUNCTION_CONFIG: failed to find "
|
|
"Resrouce Descriptor:x%x\n",
|
|
LPFC_RSRC_DESC_TYPE_FCFCOE);
|
|
|
|
read_cfg_out:
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to setup the port-side endian order when
|
|
* the port if_type is 0. This routine has no function for other
|
|
* if_types.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
static int
|
|
lpfc_setup_endian_order(struct lpfc_hba *phba)
|
|
{
|
|
LPFC_MBOXQ_t *mboxq;
|
|
uint32_t if_type, rc = 0;
|
|
uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
|
|
HOST_ENDIAN_HIGH_WORD1};
|
|
|
|
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
|
|
GFP_KERNEL);
|
|
if (!mboxq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0492 Unable to allocate memory for "
|
|
"issuing SLI_CONFIG_SPECIAL mailbox "
|
|
"command\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* The SLI4_CONFIG_SPECIAL mailbox command requires the first
|
|
* two words to contain special data values and no other data.
|
|
*/
|
|
memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
|
|
memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
if (rc != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0493 SLI_CONFIG_SPECIAL mailbox "
|
|
"failed with status x%x\n",
|
|
rc);
|
|
rc = -EIO;
|
|
}
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to check the user settable queue counts for EQs and
|
|
* CQs. after this routine is called the counts will be set to valid values that
|
|
* adhere to the constraints of the system's interrupt vectors and the port's
|
|
* queue resources.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
**/
|
|
static int
|
|
lpfc_sli4_queue_verify(struct lpfc_hba *phba)
|
|
{
|
|
int cfg_fcp_io_channel;
|
|
uint32_t cpu;
|
|
uint32_t i = 0;
|
|
int fof_vectors = phba->cfg_fof ? 1 : 0;
|
|
|
|
/*
|
|
* Sanity check for configured queue parameters against the run-time
|
|
* device parameters
|
|
*/
|
|
|
|
/* Sanity check on HBA EQ parameters */
|
|
cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
|
|
|
|
/* It doesn't make sense to have more io channels then online CPUs */
|
|
for_each_present_cpu(cpu) {
|
|
if (cpu_online(cpu))
|
|
i++;
|
|
}
|
|
phba->sli4_hba.num_online_cpu = i;
|
|
phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
|
|
phba->sli4_hba.curr_disp_cpu = 0;
|
|
|
|
if (i < cfg_fcp_io_channel) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR, LOG_INIT,
|
|
"3188 Reducing IO channels to match number of "
|
|
"online CPUs: from %d to %d\n",
|
|
cfg_fcp_io_channel, i);
|
|
cfg_fcp_io_channel = i;
|
|
}
|
|
|
|
if (cfg_fcp_io_channel + fof_vectors >
|
|
phba->sli4_hba.max_cfg_param.max_eq) {
|
|
if (phba->sli4_hba.max_cfg_param.max_eq <
|
|
LPFC_FCP_IO_CHAN_MIN) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2574 Not enough EQs (%d) from the "
|
|
"pci function for supporting FCP "
|
|
"EQs (%d)\n",
|
|
phba->sli4_hba.max_cfg_param.max_eq,
|
|
phba->cfg_fcp_io_channel);
|
|
goto out_error;
|
|
}
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2575 Reducing IO channels to match number of "
|
|
"available EQs: from %d to %d\n",
|
|
cfg_fcp_io_channel,
|
|
phba->sli4_hba.max_cfg_param.max_eq);
|
|
cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq -
|
|
fof_vectors;
|
|
}
|
|
|
|
/* The actual number of FCP event queues adopted */
|
|
phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
|
|
|
|
/* Get EQ depth from module parameter, fake the default for now */
|
|
phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
|
|
phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
|
|
|
|
/* Get CQ depth from module parameter, fake the default for now */
|
|
phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
|
|
phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
|
|
|
|
return 0;
|
|
out_error:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_queue_create - Create all the SLI4 queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
|
|
* operation. For each SLI4 queue type, the parameters such as queue entry
|
|
* count (queue depth) shall be taken from the module parameter. For now,
|
|
* we just use some constant number as place holder.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No availble memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
int
|
|
lpfc_sli4_queue_create(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_queue *qdesc;
|
|
int idx;
|
|
|
|
/*
|
|
* Create HBA Record arrays.
|
|
*/
|
|
if (!phba->cfg_fcp_io_channel)
|
|
return -ERANGE;
|
|
|
|
phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
|
|
phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
|
|
phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
|
|
phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
|
|
phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
|
|
phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
|
|
|
|
phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
|
|
phba->cfg_fcp_io_channel), GFP_KERNEL);
|
|
if (!phba->sli4_hba.hba_eq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2576 Failed allocate memory for "
|
|
"fast-path EQ record array\n");
|
|
goto out_error;
|
|
}
|
|
|
|
phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
|
|
phba->cfg_fcp_io_channel), GFP_KERNEL);
|
|
if (!phba->sli4_hba.fcp_cq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2577 Failed allocate memory for fast-path "
|
|
"CQ record array\n");
|
|
goto out_error;
|
|
}
|
|
|
|
phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
|
|
phba->cfg_fcp_io_channel), GFP_KERNEL);
|
|
if (!phba->sli4_hba.fcp_wq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2578 Failed allocate memory for fast-path "
|
|
"WQ record array\n");
|
|
goto out_error;
|
|
}
|
|
|
|
/*
|
|
* Since the first EQ can have multiple CQs associated with it,
|
|
* this array is used to quickly see if we have a FCP fast-path
|
|
* CQ match.
|
|
*/
|
|
phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
|
|
phba->cfg_fcp_io_channel), GFP_KERNEL);
|
|
if (!phba->sli4_hba.fcp_cq_map) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2545 Failed allocate memory for fast-path "
|
|
"CQ map\n");
|
|
goto out_error;
|
|
}
|
|
|
|
/*
|
|
* Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
|
|
* how many EQs to create.
|
|
*/
|
|
for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
|
|
|
|
/* Create EQs */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
|
|
phba->sli4_hba.eq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0497 Failed allocate EQ (%d)\n", idx);
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.hba_eq[idx] = qdesc;
|
|
|
|
/* Create Fast Path FCP CQs */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
|
|
phba->sli4_hba.cq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0499 Failed allocate fast-path FCP "
|
|
"CQ (%d)\n", idx);
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.fcp_cq[idx] = qdesc;
|
|
|
|
/* Create Fast Path FCP WQs */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
|
|
phba->sli4_hba.wq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0503 Failed allocate fast-path FCP "
|
|
"WQ (%d)\n", idx);
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.fcp_wq[idx] = qdesc;
|
|
}
|
|
|
|
|
|
/*
|
|
* Create Slow Path Completion Queues (CQs)
|
|
*/
|
|
|
|
/* Create slow-path Mailbox Command Complete Queue */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
|
|
phba->sli4_hba.cq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0500 Failed allocate slow-path mailbox CQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.mbx_cq = qdesc;
|
|
|
|
/* Create slow-path ELS Complete Queue */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
|
|
phba->sli4_hba.cq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0501 Failed allocate slow-path ELS CQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.els_cq = qdesc;
|
|
|
|
|
|
/*
|
|
* Create Slow Path Work Queues (WQs)
|
|
*/
|
|
|
|
/* Create Mailbox Command Queue */
|
|
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
|
|
phba->sli4_hba.mq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0505 Failed allocate slow-path MQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.mbx_wq = qdesc;
|
|
|
|
/*
|
|
* Create ELS Work Queues
|
|
*/
|
|
|
|
/* Create slow-path ELS Work Queue */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
|
|
phba->sli4_hba.wq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0504 Failed allocate slow-path ELS WQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.els_wq = qdesc;
|
|
|
|
/*
|
|
* Create Receive Queue (RQ)
|
|
*/
|
|
|
|
/* Create Receive Queue for header */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
|
|
phba->sli4_hba.rq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0506 Failed allocate receive HRQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.hdr_rq = qdesc;
|
|
|
|
/* Create Receive Queue for data */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
|
|
phba->sli4_hba.rq_ecount);
|
|
if (!qdesc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0507 Failed allocate receive DRQ\n");
|
|
goto out_error;
|
|
}
|
|
phba->sli4_hba.dat_rq = qdesc;
|
|
|
|
/* Create the Queues needed for Flash Optimized Fabric operations */
|
|
if (phba->cfg_fof)
|
|
lpfc_fof_queue_create(phba);
|
|
return 0;
|
|
|
|
out_error:
|
|
lpfc_sli4_queue_destroy(phba);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to release all the SLI4 queues with the FCoE HBA
|
|
* operation.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
void
|
|
lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
|
|
{
|
|
int idx;
|
|
|
|
if (phba->cfg_fof)
|
|
lpfc_fof_queue_destroy(phba);
|
|
|
|
if (phba->sli4_hba.hba_eq != NULL) {
|
|
/* Release HBA event queue */
|
|
for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
|
|
if (phba->sli4_hba.hba_eq[idx] != NULL) {
|
|
lpfc_sli4_queue_free(
|
|
phba->sli4_hba.hba_eq[idx]);
|
|
phba->sli4_hba.hba_eq[idx] = NULL;
|
|
}
|
|
}
|
|
kfree(phba->sli4_hba.hba_eq);
|
|
phba->sli4_hba.hba_eq = NULL;
|
|
}
|
|
|
|
if (phba->sli4_hba.fcp_cq != NULL) {
|
|
/* Release FCP completion queue */
|
|
for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
|
|
if (phba->sli4_hba.fcp_cq[idx] != NULL) {
|
|
lpfc_sli4_queue_free(
|
|
phba->sli4_hba.fcp_cq[idx]);
|
|
phba->sli4_hba.fcp_cq[idx] = NULL;
|
|
}
|
|
}
|
|
kfree(phba->sli4_hba.fcp_cq);
|
|
phba->sli4_hba.fcp_cq = NULL;
|
|
}
|
|
|
|
if (phba->sli4_hba.fcp_wq != NULL) {
|
|
/* Release FCP work queue */
|
|
for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
|
|
if (phba->sli4_hba.fcp_wq[idx] != NULL) {
|
|
lpfc_sli4_queue_free(
|
|
phba->sli4_hba.fcp_wq[idx]);
|
|
phba->sli4_hba.fcp_wq[idx] = NULL;
|
|
}
|
|
}
|
|
kfree(phba->sli4_hba.fcp_wq);
|
|
phba->sli4_hba.fcp_wq = NULL;
|
|
}
|
|
|
|
/* Release FCP CQ mapping array */
|
|
if (phba->sli4_hba.fcp_cq_map != NULL) {
|
|
kfree(phba->sli4_hba.fcp_cq_map);
|
|
phba->sli4_hba.fcp_cq_map = NULL;
|
|
}
|
|
|
|
/* Release mailbox command work queue */
|
|
if (phba->sli4_hba.mbx_wq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
|
|
phba->sli4_hba.mbx_wq = NULL;
|
|
}
|
|
|
|
/* Release ELS work queue */
|
|
if (phba->sli4_hba.els_wq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
|
|
phba->sli4_hba.els_wq = NULL;
|
|
}
|
|
|
|
/* Release unsolicited receive queue */
|
|
if (phba->sli4_hba.hdr_rq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
|
|
phba->sli4_hba.hdr_rq = NULL;
|
|
}
|
|
if (phba->sli4_hba.dat_rq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
|
|
phba->sli4_hba.dat_rq = NULL;
|
|
}
|
|
|
|
/* Release ELS complete queue */
|
|
if (phba->sli4_hba.els_cq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
|
|
phba->sli4_hba.els_cq = NULL;
|
|
}
|
|
|
|
/* Release mailbox command complete queue */
|
|
if (phba->sli4_hba.mbx_cq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
|
|
phba->sli4_hba.mbx_cq = NULL;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_queue_setup - Set up all the SLI4 queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up all the SLI4 queues for the FCoE HBA
|
|
* operation.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
int
|
|
lpfc_sli4_queue_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_sli_ring *pring;
|
|
int rc = -ENOMEM;
|
|
int fcp_eqidx, fcp_cqidx, fcp_wqidx;
|
|
int fcp_cq_index = 0;
|
|
uint32_t shdr_status, shdr_add_status;
|
|
union lpfc_sli4_cfg_shdr *shdr;
|
|
LPFC_MBOXQ_t *mboxq;
|
|
uint32_t length;
|
|
|
|
/* Check for dual-ULP support */
|
|
mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!mboxq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3249 Unable to allocate memory for "
|
|
"QUERY_FW_CFG mailbox command\n");
|
|
return -ENOMEM;
|
|
}
|
|
length = (sizeof(struct lpfc_mbx_query_fw_config) -
|
|
sizeof(struct lpfc_sli4_cfg_mhdr));
|
|
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
|
|
LPFC_MBOX_OPCODE_QUERY_FW_CFG,
|
|
length, LPFC_SLI4_MBX_EMBED);
|
|
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
|
|
shdr = (union lpfc_sli4_cfg_shdr *)
|
|
&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
|
|
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
|
|
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
|
|
if (shdr_status || shdr_add_status || rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3250 QUERY_FW_CFG mailbox failed with status "
|
|
"x%x add_status x%x, mbx status x%x\n",
|
|
shdr_status, shdr_add_status, rc);
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
rc = -ENXIO;
|
|
goto out_error;
|
|
}
|
|
|
|
phba->sli4_hba.fw_func_mode =
|
|
mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
|
|
phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
|
|
phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
|
|
phba->sli4_hba.physical_port =
|
|
mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port;
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
|
|
"ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
|
|
phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
|
|
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
|
|
/*
|
|
* Set up HBA Event Queues (EQs)
|
|
*/
|
|
|
|
/* Set up HBA event queue */
|
|
if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3147 Fast-path EQs not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_error;
|
|
}
|
|
for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
|
|
if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0522 Fast-path EQ (%d) not "
|
|
"allocated\n", fcp_eqidx);
|
|
rc = -ENOMEM;
|
|
goto out_destroy_hba_eq;
|
|
}
|
|
rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
|
|
(phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0523 Failed setup of fast-path EQ "
|
|
"(%d), rc = 0x%x\n", fcp_eqidx,
|
|
(uint32_t)rc);
|
|
goto out_destroy_hba_eq;
|
|
}
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2584 HBA EQ setup: "
|
|
"queue[%d]-id=%d\n", fcp_eqidx,
|
|
phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
|
|
}
|
|
|
|
/* Set up fast-path FCP Response Complete Queue */
|
|
if (!phba->sli4_hba.fcp_cq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3148 Fast-path FCP CQ array not "
|
|
"allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_hba_eq;
|
|
}
|
|
|
|
for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
|
|
if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0526 Fast-path FCP CQ (%d) not "
|
|
"allocated\n", fcp_cqidx);
|
|
rc = -ENOMEM;
|
|
goto out_destroy_fcp_cq;
|
|
}
|
|
rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
|
|
phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0527 Failed setup of fast-path FCP "
|
|
"CQ (%d), rc = 0x%x\n", fcp_cqidx,
|
|
(uint32_t)rc);
|
|
goto out_destroy_fcp_cq;
|
|
}
|
|
|
|
/* Setup fcp_cq_map for fast lookup */
|
|
phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
|
|
phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2588 FCP CQ setup: cq[%d]-id=%d, "
|
|
"parent seq[%d]-id=%d\n",
|
|
fcp_cqidx,
|
|
phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
|
|
fcp_cqidx,
|
|
phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
|
|
}
|
|
|
|
/* Set up fast-path FCP Work Queue */
|
|
if (!phba->sli4_hba.fcp_wq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3149 Fast-path FCP WQ array not "
|
|
"allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_fcp_cq;
|
|
}
|
|
|
|
for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
|
|
if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0534 Fast-path FCP WQ (%d) not "
|
|
"allocated\n", fcp_wqidx);
|
|
rc = -ENOMEM;
|
|
goto out_destroy_fcp_wq;
|
|
}
|
|
rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
|
|
phba->sli4_hba.fcp_cq[fcp_wqidx],
|
|
LPFC_FCP);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0535 Failed setup of fast-path FCP "
|
|
"WQ (%d), rc = 0x%x\n", fcp_wqidx,
|
|
(uint32_t)rc);
|
|
goto out_destroy_fcp_wq;
|
|
}
|
|
|
|
/* Bind this WQ to the next FCP ring */
|
|
pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
|
|
pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
|
|
phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2591 FCP WQ setup: wq[%d]-id=%d, "
|
|
"parent cq[%d]-id=%d\n",
|
|
fcp_wqidx,
|
|
phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
|
|
fcp_cq_index,
|
|
phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
|
|
}
|
|
/*
|
|
* Set up Complete Queues (CQs)
|
|
*/
|
|
|
|
/* Set up slow-path MBOX Complete Queue as the first CQ */
|
|
if (!phba->sli4_hba.mbx_cq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0528 Mailbox CQ not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_fcp_wq;
|
|
}
|
|
rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
|
|
phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0529 Failed setup of slow-path mailbox CQ: "
|
|
"rc = 0x%x\n", (uint32_t)rc);
|
|
goto out_destroy_fcp_wq;
|
|
}
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
|
|
phba->sli4_hba.mbx_cq->queue_id,
|
|
phba->sli4_hba.hba_eq[0]->queue_id);
|
|
|
|
/* Set up slow-path ELS Complete Queue */
|
|
if (!phba->sli4_hba.els_cq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0530 ELS CQ not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_mbx_cq;
|
|
}
|
|
rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
|
|
phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0531 Failed setup of slow-path ELS CQ: "
|
|
"rc = 0x%x\n", (uint32_t)rc);
|
|
goto out_destroy_mbx_cq;
|
|
}
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
|
|
phba->sli4_hba.els_cq->queue_id,
|
|
phba->sli4_hba.hba_eq[0]->queue_id);
|
|
|
|
/*
|
|
* Set up all the Work Queues (WQs)
|
|
*/
|
|
|
|
/* Set up Mailbox Command Queue */
|
|
if (!phba->sli4_hba.mbx_wq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0538 Slow-path MQ not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_els_cq;
|
|
}
|
|
rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
|
|
phba->sli4_hba.mbx_cq, LPFC_MBOX);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0539 Failed setup of slow-path MQ: "
|
|
"rc = 0x%x\n", rc);
|
|
goto out_destroy_els_cq;
|
|
}
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
|
|
phba->sli4_hba.mbx_wq->queue_id,
|
|
phba->sli4_hba.mbx_cq->queue_id);
|
|
|
|
/* Set up slow-path ELS Work Queue */
|
|
if (!phba->sli4_hba.els_wq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0536 Slow-path ELS WQ not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_mbx_wq;
|
|
}
|
|
rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
|
|
phba->sli4_hba.els_cq, LPFC_ELS);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0537 Failed setup of slow-path ELS WQ: "
|
|
"rc = 0x%x\n", (uint32_t)rc);
|
|
goto out_destroy_mbx_wq;
|
|
}
|
|
|
|
/* Bind this WQ to the ELS ring */
|
|
pring = &psli->ring[LPFC_ELS_RING];
|
|
pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
|
|
phba->sli4_hba.els_cq->pring = pring;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
|
|
phba->sli4_hba.els_wq->queue_id,
|
|
phba->sli4_hba.els_cq->queue_id);
|
|
|
|
/*
|
|
* Create Receive Queue (RQ)
|
|
*/
|
|
if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0540 Receive Queue not allocated\n");
|
|
rc = -ENOMEM;
|
|
goto out_destroy_els_wq;
|
|
}
|
|
|
|
lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
|
|
lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
|
|
|
|
rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
|
|
phba->sli4_hba.els_cq, LPFC_USOL);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0541 Failed setup of Receive Queue: "
|
|
"rc = 0x%x\n", (uint32_t)rc);
|
|
goto out_destroy_fcp_wq;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
|
|
"parent cq-id=%d\n",
|
|
phba->sli4_hba.hdr_rq->queue_id,
|
|
phba->sli4_hba.dat_rq->queue_id,
|
|
phba->sli4_hba.els_cq->queue_id);
|
|
|
|
if (phba->cfg_fof) {
|
|
rc = lpfc_fof_queue_setup(phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0549 Failed setup of FOF Queues: "
|
|
"rc = 0x%x\n", rc);
|
|
goto out_destroy_els_rq;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Configure EQ delay multipier for interrupt coalescing using
|
|
* MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time.
|
|
*/
|
|
for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel;
|
|
fcp_eqidx += LPFC_MAX_EQ_DELAY)
|
|
lpfc_modify_fcp_eq_delay(phba, fcp_eqidx);
|
|
return 0;
|
|
|
|
out_destroy_els_rq:
|
|
lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
|
|
out_destroy_els_wq:
|
|
lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
|
|
out_destroy_mbx_wq:
|
|
lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
|
|
out_destroy_els_cq:
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
|
|
out_destroy_mbx_cq:
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
|
|
out_destroy_fcp_wq:
|
|
for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
|
|
lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
|
|
out_destroy_fcp_cq:
|
|
for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
|
|
out_destroy_hba_eq:
|
|
for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
|
|
lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
|
|
out_error:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_queue_unset - Unset all the SLI4 queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset all the SLI4 queues with the FCoE HBA
|
|
* operation.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
void
|
|
lpfc_sli4_queue_unset(struct lpfc_hba *phba)
|
|
{
|
|
int fcp_qidx;
|
|
|
|
/* Unset the queues created for Flash Optimized Fabric operations */
|
|
if (phba->cfg_fof)
|
|
lpfc_fof_queue_destroy(phba);
|
|
/* Unset mailbox command work queue */
|
|
lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
|
|
/* Unset ELS work queue */
|
|
lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
|
|
/* Unset unsolicited receive queue */
|
|
lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
|
|
/* Unset FCP work queue */
|
|
if (phba->sli4_hba.fcp_wq) {
|
|
for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
|
|
fcp_qidx++)
|
|
lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
|
|
}
|
|
/* Unset mailbox command complete queue */
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
|
|
/* Unset ELS complete queue */
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
|
|
/* Unset FCP response complete queue */
|
|
if (phba->sli4_hba.fcp_cq) {
|
|
for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
|
|
fcp_qidx++)
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
|
|
}
|
|
/* Unset fast-path event queue */
|
|
if (phba->sli4_hba.hba_eq) {
|
|
for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
|
|
fcp_qidx++)
|
|
lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate and set up a pool of completion queue
|
|
* events. The body of the completion queue event is a completion queue entry
|
|
* CQE. For now, this pool is used for the interrupt service routine to queue
|
|
* the following HBA completion queue events for the worker thread to process:
|
|
* - Mailbox asynchronous events
|
|
* - Receive queue completion unsolicited events
|
|
* Later, this can be used for all the slow-path events.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
**/
|
|
static int
|
|
lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_cq_event *cq_event;
|
|
int i;
|
|
|
|
for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
|
|
cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
|
|
if (!cq_event)
|
|
goto out_pool_create_fail;
|
|
list_add_tail(&cq_event->list,
|
|
&phba->sli4_hba.sp_cqe_event_pool);
|
|
}
|
|
return 0;
|
|
|
|
out_pool_create_fail:
|
|
lpfc_sli4_cq_event_pool_destroy(phba);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to free the pool of completion queue events at
|
|
* driver unload time. Note that, it is the responsibility of the driver
|
|
* cleanup routine to free all the outstanding completion-queue events
|
|
* allocated from this pool back into the pool before invoking this routine
|
|
* to destroy the pool.
|
|
**/
|
|
static void
|
|
lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_cq_event *cq_event, *next_cq_event;
|
|
|
|
list_for_each_entry_safe(cq_event, next_cq_event,
|
|
&phba->sli4_hba.sp_cqe_event_pool, list) {
|
|
list_del(&cq_event->list);
|
|
kfree(cq_event);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is the lock free version of the API invoked to allocate a
|
|
* completion-queue event from the free pool.
|
|
*
|
|
* Return: Pointer to the newly allocated completion-queue event if successful
|
|
* NULL otherwise.
|
|
**/
|
|
struct lpfc_cq_event *
|
|
__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_cq_event *cq_event = NULL;
|
|
|
|
list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
|
|
struct lpfc_cq_event, list);
|
|
return cq_event;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is the lock version of the API invoked to allocate a
|
|
* completion-queue event from the free pool.
|
|
*
|
|
* Return: Pointer to the newly allocated completion-queue event if successful
|
|
* NULL otherwise.
|
|
**/
|
|
struct lpfc_cq_event *
|
|
lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_cq_event *cq_event;
|
|
unsigned long iflags;
|
|
|
|
spin_lock_irqsave(&phba->hbalock, iflags);
|
|
cq_event = __lpfc_sli4_cq_event_alloc(phba);
|
|
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
|
return cq_event;
|
|
}
|
|
|
|
/**
|
|
* __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @cq_event: pointer to the completion queue event to be freed.
|
|
*
|
|
* This routine is the lock free version of the API invoked to release a
|
|
* completion-queue event back into the free pool.
|
|
**/
|
|
void
|
|
__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
|
|
struct lpfc_cq_event *cq_event)
|
|
{
|
|
list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @cq_event: pointer to the completion queue event to be freed.
|
|
*
|
|
* This routine is the lock version of the API invoked to release a
|
|
* completion-queue event back into the free pool.
|
|
**/
|
|
void
|
|
lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
|
|
struct lpfc_cq_event *cq_event)
|
|
{
|
|
unsigned long iflags;
|
|
spin_lock_irqsave(&phba->hbalock, iflags);
|
|
__lpfc_sli4_cq_event_release(phba, cq_event);
|
|
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is to free all the pending completion-queue events to the
|
|
* back into the free pool for device reset.
|
|
**/
|
|
static void
|
|
lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
|
|
{
|
|
LIST_HEAD(cqelist);
|
|
struct lpfc_cq_event *cqe;
|
|
unsigned long iflags;
|
|
|
|
/* Retrieve all the pending WCQEs from pending WCQE lists */
|
|
spin_lock_irqsave(&phba->hbalock, iflags);
|
|
/* Pending FCP XRI abort events */
|
|
list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
|
|
&cqelist);
|
|
/* Pending ELS XRI abort events */
|
|
list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
|
|
&cqelist);
|
|
/* Pending asynnc events */
|
|
list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
|
|
&cqelist);
|
|
spin_unlock_irqrestore(&phba->hbalock, iflags);
|
|
|
|
while (!list_empty(&cqelist)) {
|
|
list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
|
|
lpfc_sli4_cq_event_release(phba, cqe);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_function_reset - Reset pci function.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to request a PCI function reset. It will destroys
|
|
* all resources assigned to the PCI function which originates this request.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
int
|
|
lpfc_pci_function_reset(struct lpfc_hba *phba)
|
|
{
|
|
LPFC_MBOXQ_t *mboxq;
|
|
uint32_t rc = 0, if_type;
|
|
uint32_t shdr_status, shdr_add_status;
|
|
uint32_t rdy_chk;
|
|
uint32_t port_reset = 0;
|
|
union lpfc_sli4_cfg_shdr *shdr;
|
|
struct lpfc_register reg_data;
|
|
uint16_t devid;
|
|
|
|
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
|
|
GFP_KERNEL);
|
|
if (!mboxq) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0494 Unable to allocate memory for "
|
|
"issuing SLI_FUNCTION_RESET mailbox "
|
|
"command\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Setup PCI function reset mailbox-ioctl command */
|
|
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
|
|
LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
|
|
LPFC_SLI4_MBX_EMBED);
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
shdr = (union lpfc_sli4_cfg_shdr *)
|
|
&mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
|
|
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
|
|
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
|
|
&shdr->response);
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(mboxq, phba->mbox_mem_pool);
|
|
if (shdr_status || shdr_add_status || rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0495 SLI_FUNCTION_RESET mailbox "
|
|
"failed with status x%x add_status x%x,"
|
|
" mbx status x%x\n",
|
|
shdr_status, shdr_add_status, rc);
|
|
rc = -ENXIO;
|
|
}
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
wait:
|
|
/*
|
|
* Poll the Port Status Register and wait for RDY for
|
|
* up to 30 seconds. If the port doesn't respond, treat
|
|
* it as an error.
|
|
*/
|
|
for (rdy_chk = 0; rdy_chk < 1500; rdy_chk++) {
|
|
if (lpfc_readl(phba->sli4_hba.u.if_type2.
|
|
STATUSregaddr, ®_data.word0)) {
|
|
rc = -ENODEV;
|
|
goto out;
|
|
}
|
|
if (bf_get(lpfc_sliport_status_rdy, ®_data))
|
|
break;
|
|
msleep(20);
|
|
}
|
|
|
|
if (!bf_get(lpfc_sliport_status_rdy, ®_data)) {
|
|
phba->work_status[0] = readl(
|
|
phba->sli4_hba.u.if_type2.ERR1regaddr);
|
|
phba->work_status[1] = readl(
|
|
phba->sli4_hba.u.if_type2.ERR2regaddr);
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2890 Port not ready, port status reg "
|
|
"0x%x error 1=0x%x, error 2=0x%x\n",
|
|
reg_data.word0,
|
|
phba->work_status[0],
|
|
phba->work_status[1]);
|
|
rc = -ENODEV;
|
|
goto out;
|
|
}
|
|
|
|
if (!port_reset) {
|
|
/*
|
|
* Reset the port now
|
|
*/
|
|
reg_data.word0 = 0;
|
|
bf_set(lpfc_sliport_ctrl_end, ®_data,
|
|
LPFC_SLIPORT_LITTLE_ENDIAN);
|
|
bf_set(lpfc_sliport_ctrl_ip, ®_data,
|
|
LPFC_SLIPORT_INIT_PORT);
|
|
writel(reg_data.word0, phba->sli4_hba.u.if_type2.
|
|
CTRLregaddr);
|
|
/* flush */
|
|
pci_read_config_word(phba->pcidev,
|
|
PCI_DEVICE_ID, &devid);
|
|
|
|
port_reset = 1;
|
|
msleep(20);
|
|
goto wait;
|
|
} else if (bf_get(lpfc_sliport_status_rn, ®_data)) {
|
|
rc = -ENODEV;
|
|
goto out;
|
|
}
|
|
break;
|
|
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
out:
|
|
/* Catch the not-ready port failure after a port reset. */
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3317 HBA not functional: IP Reset Failed "
|
|
"try: echo fw_reset > board_mode\n");
|
|
rc = -ENODEV;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up the PCI device memory space for device
|
|
* with SLI-4 interface spec.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct pci_dev *pdev;
|
|
unsigned long bar0map_len, bar1map_len, bar2map_len;
|
|
int error = -ENODEV;
|
|
uint32_t if_type;
|
|
|
|
/* Obtain PCI device reference */
|
|
if (!phba->pcidev)
|
|
return error;
|
|
else
|
|
pdev = phba->pcidev;
|
|
|
|
/* Set the device DMA mask size */
|
|
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
|
|
|| pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
|
|
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
|
|
|| pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
|
|
return error;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The BARs and register set definitions and offset locations are
|
|
* dependent on the if_type.
|
|
*/
|
|
if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
|
|
&phba->sli4_hba.sli_intf.word0)) {
|
|
return error;
|
|
}
|
|
|
|
/* There is no SLI3 failback for SLI4 devices. */
|
|
if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
|
|
LPFC_SLI_INTF_VALID) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2894 SLI_INTF reg contents invalid "
|
|
"sli_intf reg 0x%x\n",
|
|
phba->sli4_hba.sli_intf.word0);
|
|
return error;
|
|
}
|
|
|
|
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
|
|
/*
|
|
* Get the bus address of SLI4 device Bar regions and the
|
|
* number of bytes required by each mapping. The mapping of the
|
|
* particular PCI BARs regions is dependent on the type of
|
|
* SLI4 device.
|
|
*/
|
|
if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
|
|
phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
|
|
bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
|
|
|
|
/*
|
|
* Map SLI4 PCI Config Space Register base to a kernel virtual
|
|
* addr
|
|
*/
|
|
phba->sli4_hba.conf_regs_memmap_p =
|
|
ioremap(phba->pci_bar0_map, bar0map_len);
|
|
if (!phba->sli4_hba.conf_regs_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for SLI4 PCI config "
|
|
"registers.\n");
|
|
goto out;
|
|
}
|
|
phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
|
|
/* Set up BAR0 PCI config space register memory map */
|
|
lpfc_sli4_bar0_register_memmap(phba, if_type);
|
|
} else {
|
|
phba->pci_bar0_map = pci_resource_start(pdev, 1);
|
|
bar0map_len = pci_resource_len(pdev, 1);
|
|
if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"FATAL - No BAR0 mapping for SLI4, if_type 2\n");
|
|
goto out;
|
|
}
|
|
phba->sli4_hba.conf_regs_memmap_p =
|
|
ioremap(phba->pci_bar0_map, bar0map_len);
|
|
if (!phba->sli4_hba.conf_regs_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for SLI4 PCI config "
|
|
"registers.\n");
|
|
goto out;
|
|
}
|
|
lpfc_sli4_bar0_register_memmap(phba, if_type);
|
|
}
|
|
|
|
if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
|
|
(pci_resource_start(pdev, PCI_64BIT_BAR2))) {
|
|
/*
|
|
* Map SLI4 if type 0 HBA Control Register base to a kernel
|
|
* virtual address and setup the registers.
|
|
*/
|
|
phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
|
|
bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
|
|
phba->sli4_hba.ctrl_regs_memmap_p =
|
|
ioremap(phba->pci_bar1_map, bar1map_len);
|
|
if (!phba->sli4_hba.ctrl_regs_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for SLI4 HBA control registers.\n");
|
|
goto out_iounmap_conf;
|
|
}
|
|
phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
|
|
lpfc_sli4_bar1_register_memmap(phba);
|
|
}
|
|
|
|
if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
|
|
(pci_resource_start(pdev, PCI_64BIT_BAR4))) {
|
|
/*
|
|
* Map SLI4 if type 0 HBA Doorbell Register base to a kernel
|
|
* virtual address and setup the registers.
|
|
*/
|
|
phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
|
|
bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
|
|
phba->sli4_hba.drbl_regs_memmap_p =
|
|
ioremap(phba->pci_bar2_map, bar2map_len);
|
|
if (!phba->sli4_hba.drbl_regs_memmap_p) {
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
|
"ioremap failed for SLI4 HBA doorbell registers.\n");
|
|
goto out_iounmap_ctrl;
|
|
}
|
|
phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
|
|
error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
|
|
if (error)
|
|
goto out_iounmap_all;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_iounmap_all:
|
|
iounmap(phba->sli4_hba.drbl_regs_memmap_p);
|
|
out_iounmap_ctrl:
|
|
iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
|
|
out_iounmap_conf:
|
|
iounmap(phba->sli4_hba.conf_regs_memmap_p);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the PCI device memory space for device
|
|
* with SLI-4 interface spec.
|
|
**/
|
|
static void
|
|
lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
|
|
{
|
|
uint32_t if_type;
|
|
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
|
|
|
|
switch (if_type) {
|
|
case LPFC_SLI_INTF_IF_TYPE_0:
|
|
iounmap(phba->sli4_hba.drbl_regs_memmap_p);
|
|
iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
|
|
iounmap(phba->sli4_hba.conf_regs_memmap_p);
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_2:
|
|
iounmap(phba->sli4_hba.conf_regs_memmap_p);
|
|
break;
|
|
case LPFC_SLI_INTF_IF_TYPE_1:
|
|
default:
|
|
dev_printk(KERN_ERR, &phba->pcidev->dev,
|
|
"FATAL - unsupported SLI4 interface type - %d\n",
|
|
if_type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable the MSI-X interrupt vectors to device
|
|
* with SLI-3 interface specs. The kernel function pci_enable_msix_exact()
|
|
* is called to enable the MSI-X vectors. Note that pci_enable_msix_exact(),
|
|
* once invoked, enables either all or nothing, depending on the current
|
|
* availability of PCI vector resources. The device driver is responsible
|
|
* for calling the individual request_irq() to register each MSI-X vector
|
|
* with a interrupt handler, which is done in this function. Note that
|
|
* later when device is unloading, the driver should always call free_irq()
|
|
* on all MSI-X vectors it has done request_irq() on before calling
|
|
* pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
|
|
* will be left with MSI-X enabled and leaks its vectors.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli_enable_msix(struct lpfc_hba *phba)
|
|
{
|
|
int rc, i;
|
|
LPFC_MBOXQ_t *pmb;
|
|
|
|
/* Set up MSI-X multi-message vectors */
|
|
for (i = 0; i < LPFC_MSIX_VECTORS; i++)
|
|
phba->msix_entries[i].entry = i;
|
|
|
|
/* Configure MSI-X capability structure */
|
|
rc = pci_enable_msix_exact(phba->pcidev, phba->msix_entries,
|
|
LPFC_MSIX_VECTORS);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0420 PCI enable MSI-X failed (%d)\n", rc);
|
|
goto vec_fail_out;
|
|
}
|
|
for (i = 0; i < LPFC_MSIX_VECTORS; i++)
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0477 MSI-X entry[%d]: vector=x%x "
|
|
"message=%d\n", i,
|
|
phba->msix_entries[i].vector,
|
|
phba->msix_entries[i].entry);
|
|
/*
|
|
* Assign MSI-X vectors to interrupt handlers
|
|
*/
|
|
|
|
/* vector-0 is associated to slow-path handler */
|
|
rc = request_irq(phba->msix_entries[0].vector,
|
|
&lpfc_sli_sp_intr_handler, 0,
|
|
LPFC_SP_DRIVER_HANDLER_NAME, phba);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0421 MSI-X slow-path request_irq failed "
|
|
"(%d)\n", rc);
|
|
goto msi_fail_out;
|
|
}
|
|
|
|
/* vector-1 is associated to fast-path handler */
|
|
rc = request_irq(phba->msix_entries[1].vector,
|
|
&lpfc_sli_fp_intr_handler, 0,
|
|
LPFC_FP_DRIVER_HANDLER_NAME, phba);
|
|
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0429 MSI-X fast-path request_irq failed "
|
|
"(%d)\n", rc);
|
|
goto irq_fail_out;
|
|
}
|
|
|
|
/*
|
|
* Configure HBA MSI-X attention conditions to messages
|
|
*/
|
|
pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
|
|
if (!pmb) {
|
|
rc = -ENOMEM;
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0474 Unable to allocate memory for issuing "
|
|
"MBOX_CONFIG_MSI command\n");
|
|
goto mem_fail_out;
|
|
}
|
|
rc = lpfc_config_msi(phba, pmb);
|
|
if (rc)
|
|
goto mbx_fail_out;
|
|
rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
|
|
if (rc != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
|
|
"0351 Config MSI mailbox command failed, "
|
|
"mbxCmd x%x, mbxStatus x%x\n",
|
|
pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
|
|
goto mbx_fail_out;
|
|
}
|
|
|
|
/* Free memory allocated for mailbox command */
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return rc;
|
|
|
|
mbx_fail_out:
|
|
/* Free memory allocated for mailbox command */
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
|
|
mem_fail_out:
|
|
/* free the irq already requested */
|
|
free_irq(phba->msix_entries[1].vector, phba);
|
|
|
|
irq_fail_out:
|
|
/* free the irq already requested */
|
|
free_irq(phba->msix_entries[0].vector, phba);
|
|
|
|
msi_fail_out:
|
|
/* Unconfigure MSI-X capability structure */
|
|
pci_disable_msix(phba->pcidev);
|
|
|
|
vec_fail_out:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to release the MSI-X vectors and then disable the
|
|
* MSI-X interrupt mode to device with SLI-3 interface spec.
|
|
**/
|
|
static void
|
|
lpfc_sli_disable_msix(struct lpfc_hba *phba)
|
|
{
|
|
int i;
|
|
|
|
/* Free up MSI-X multi-message vectors */
|
|
for (i = 0; i < LPFC_MSIX_VECTORS; i++)
|
|
free_irq(phba->msix_entries[i].vector, phba);
|
|
/* Disable MSI-X */
|
|
pci_disable_msix(phba->pcidev);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable the MSI interrupt mode to device with
|
|
* SLI-3 interface spec. The kernel function pci_enable_msi() is called to
|
|
* enable the MSI vector. The device driver is responsible for calling the
|
|
* request_irq() to register MSI vector with a interrupt the handler, which
|
|
* is done in this function.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
*/
|
|
static int
|
|
lpfc_sli_enable_msi(struct lpfc_hba *phba)
|
|
{
|
|
int rc;
|
|
|
|
rc = pci_enable_msi(phba->pcidev);
|
|
if (!rc)
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0462 PCI enable MSI mode success.\n");
|
|
else {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0471 PCI enable MSI mode failed (%d)\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
|
|
0, LPFC_DRIVER_NAME, phba);
|
|
if (rc) {
|
|
pci_disable_msi(phba->pcidev);
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0478 MSI request_irq failed (%d)\n", rc);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to disable the MSI interrupt mode to device with
|
|
* SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
|
|
* done request_irq() on before calling pci_disable_msi(). Failure to do so
|
|
* results in a BUG_ON() and a device will be left with MSI enabled and leaks
|
|
* its vector.
|
|
*/
|
|
static void
|
|
lpfc_sli_disable_msi(struct lpfc_hba *phba)
|
|
{
|
|
free_irq(phba->pcidev->irq, phba);
|
|
pci_disable_msi(phba->pcidev);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable device interrupt and associate driver's
|
|
* interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
|
|
* spec. Depends on the interrupt mode configured to the driver, the driver
|
|
* will try to fallback from the configured interrupt mode to an interrupt
|
|
* mode which is supported by the platform, kernel, and device in the order
|
|
* of:
|
|
* MSI-X -> MSI -> IRQ.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static uint32_t
|
|
lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
|
|
{
|
|
uint32_t intr_mode = LPFC_INTR_ERROR;
|
|
int retval;
|
|
|
|
if (cfg_mode == 2) {
|
|
/* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
|
|
retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
|
|
if (!retval) {
|
|
/* Now, try to enable MSI-X interrupt mode */
|
|
retval = lpfc_sli_enable_msix(phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to MSI-X mode */
|
|
phba->intr_type = MSIX;
|
|
intr_mode = 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Fallback to MSI if MSI-X initialization failed */
|
|
if (cfg_mode >= 1 && phba->intr_type == NONE) {
|
|
retval = lpfc_sli_enable_msi(phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to MSI mode */
|
|
phba->intr_type = MSI;
|
|
intr_mode = 1;
|
|
}
|
|
}
|
|
|
|
/* Fallback to INTx if both MSI-X/MSI initalization failed */
|
|
if (phba->intr_type == NONE) {
|
|
retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
|
|
IRQF_SHARED, LPFC_DRIVER_NAME, phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to INTx mode */
|
|
phba->intr_type = INTx;
|
|
intr_mode = 0;
|
|
}
|
|
}
|
|
return intr_mode;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to disable device interrupt and disassociate the
|
|
* driver's interrupt handler(s) from interrupt vector(s) to device with
|
|
* SLI-3 interface spec. Depending on the interrupt mode, the driver will
|
|
* release the interrupt vector(s) for the message signaled interrupt.
|
|
**/
|
|
static void
|
|
lpfc_sli_disable_intr(struct lpfc_hba *phba)
|
|
{
|
|
/* Disable the currently initialized interrupt mode */
|
|
if (phba->intr_type == MSIX)
|
|
lpfc_sli_disable_msix(phba);
|
|
else if (phba->intr_type == MSI)
|
|
lpfc_sli_disable_msi(phba);
|
|
else if (phba->intr_type == INTx)
|
|
free_irq(phba->pcidev->irq, phba);
|
|
|
|
/* Reset interrupt management states */
|
|
phba->intr_type = NONE;
|
|
phba->sli.slistat.sli_intr = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_find_next_cpu - Find next available CPU that matches the phys_id
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* Find next available CPU to use for IRQ to CPU affinity.
|
|
*/
|
|
static int
|
|
lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
|
|
{
|
|
struct lpfc_vector_map_info *cpup;
|
|
int cpu;
|
|
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
|
|
/* CPU must be online */
|
|
if (cpu_online(cpu)) {
|
|
if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
|
|
(lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
|
|
(cpup->phys_id == phys_id)) {
|
|
return cpu;
|
|
}
|
|
}
|
|
cpup++;
|
|
}
|
|
|
|
/*
|
|
* If we get here, we have used ALL CPUs for the specific
|
|
* phys_id. Now we need to clear out lpfc_used_cpu and start
|
|
* reusing CPUs.
|
|
*/
|
|
|
|
for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
|
|
if (lpfc_used_cpu[cpu] == phys_id)
|
|
lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
|
|
}
|
|
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
|
|
/* CPU must be online */
|
|
if (cpu_online(cpu)) {
|
|
if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
|
|
(cpup->phys_id == phys_id)) {
|
|
return cpu;
|
|
}
|
|
}
|
|
cpup++;
|
|
}
|
|
return LPFC_VECTOR_MAP_EMPTY;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
|
|
* @phba: pointer to lpfc hba data structure.
|
|
* @vectors: number of HBA vectors
|
|
*
|
|
* Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
|
|
* affinization across multple physical CPUs (numa nodes).
|
|
* In addition, this routine will assign an IO channel for each CPU
|
|
* to use when issuing I/Os.
|
|
*/
|
|
static int
|
|
lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
|
|
{
|
|
int i, idx, saved_chann, used_chann, cpu, phys_id;
|
|
int max_phys_id, min_phys_id;
|
|
int num_io_channel, first_cpu, chan;
|
|
struct lpfc_vector_map_info *cpup;
|
|
#ifdef CONFIG_X86
|
|
struct cpuinfo_x86 *cpuinfo;
|
|
#endif
|
|
uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
|
|
|
|
/* If there is no mapping, just return */
|
|
if (!phba->cfg_fcp_cpu_map)
|
|
return 1;
|
|
|
|
/* Init cpu_map array */
|
|
memset(phba->sli4_hba.cpu_map, 0xff,
|
|
(sizeof(struct lpfc_vector_map_info) *
|
|
phba->sli4_hba.num_present_cpu));
|
|
|
|
max_phys_id = 0;
|
|
min_phys_id = 0xff;
|
|
phys_id = 0;
|
|
num_io_channel = 0;
|
|
first_cpu = LPFC_VECTOR_MAP_EMPTY;
|
|
|
|
/* Update CPU map with physical id and core id of each CPU */
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
|
|
#ifdef CONFIG_X86
|
|
cpuinfo = &cpu_data(cpu);
|
|
cpup->phys_id = cpuinfo->phys_proc_id;
|
|
cpup->core_id = cpuinfo->cpu_core_id;
|
|
#else
|
|
/* No distinction between CPUs for other platforms */
|
|
cpup->phys_id = 0;
|
|
cpup->core_id = 0;
|
|
#endif
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3328 CPU physid %d coreid %d\n",
|
|
cpup->phys_id, cpup->core_id);
|
|
|
|
if (cpup->phys_id > max_phys_id)
|
|
max_phys_id = cpup->phys_id;
|
|
if (cpup->phys_id < min_phys_id)
|
|
min_phys_id = cpup->phys_id;
|
|
cpup++;
|
|
}
|
|
|
|
phys_id = min_phys_id;
|
|
/* Now associate the HBA vectors with specific CPUs */
|
|
for (idx = 0; idx < vectors; idx++) {
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
cpu = lpfc_find_next_cpu(phba, phys_id);
|
|
if (cpu == LPFC_VECTOR_MAP_EMPTY) {
|
|
|
|
/* Try for all phys_id's */
|
|
for (i = 1; i < max_phys_id; i++) {
|
|
phys_id++;
|
|
if (phys_id > max_phys_id)
|
|
phys_id = min_phys_id;
|
|
cpu = lpfc_find_next_cpu(phba, phys_id);
|
|
if (cpu == LPFC_VECTOR_MAP_EMPTY)
|
|
continue;
|
|
goto found;
|
|
}
|
|
|
|
/* Use round robin for scheduling */
|
|
phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_ROUND_ROBIN;
|
|
chan = 0;
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
|
|
cpup->channel_id = chan;
|
|
cpup++;
|
|
chan++;
|
|
if (chan >= phba->cfg_fcp_io_channel)
|
|
chan = 0;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3329 Cannot set affinity:"
|
|
"Error mapping vector %d (%d)\n",
|
|
idx, vectors);
|
|
return 0;
|
|
}
|
|
found:
|
|
cpup += cpu;
|
|
if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
|
|
lpfc_used_cpu[cpu] = phys_id;
|
|
|
|
/* Associate vector with selected CPU */
|
|
cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
|
|
|
|
/* Associate IO channel with selected CPU */
|
|
cpup->channel_id = idx;
|
|
num_io_channel++;
|
|
|
|
if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
|
|
first_cpu = cpu;
|
|
|
|
/* Now affinitize to the selected CPU */
|
|
i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
|
|
vector, get_cpu_mask(cpu));
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3330 Set Affinity: CPU %d channel %d "
|
|
"irq %d (%x)\n",
|
|
cpu, cpup->channel_id,
|
|
phba->sli4_hba.msix_entries[idx].vector, i);
|
|
|
|
/* Spread vector mapping across multple physical CPU nodes */
|
|
phys_id++;
|
|
if (phys_id > max_phys_id)
|
|
phys_id = min_phys_id;
|
|
}
|
|
|
|
/*
|
|
* Finally fill in the IO channel for any remaining CPUs.
|
|
* At this point, all IO channels have been assigned to a specific
|
|
* MSIx vector, mapped to a specific CPU.
|
|
* Base the remaining IO channel assigned, to IO channels already
|
|
* assigned to other CPUs on the same phys_id.
|
|
*/
|
|
for (i = min_phys_id; i <= max_phys_id; i++) {
|
|
/*
|
|
* If there are no io channels already mapped to
|
|
* this phys_id, just round robin thru the io_channels.
|
|
* Setup chann[] for round robin.
|
|
*/
|
|
for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
|
|
chann[idx] = idx;
|
|
|
|
saved_chann = 0;
|
|
used_chann = 0;
|
|
|
|
/*
|
|
* First build a list of IO channels already assigned
|
|
* to this phys_id before reassigning the same IO
|
|
* channels to the remaining CPUs.
|
|
*/
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
cpu = first_cpu;
|
|
cpup += cpu;
|
|
for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
|
|
idx++) {
|
|
if (cpup->phys_id == i) {
|
|
/*
|
|
* Save any IO channels that are
|
|
* already mapped to this phys_id.
|
|
*/
|
|
if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
|
|
chann[saved_chann] =
|
|
cpup->channel_id;
|
|
saved_chann++;
|
|
goto out;
|
|
}
|
|
|
|
/* See if we are using round-robin */
|
|
if (saved_chann == 0)
|
|
saved_chann =
|
|
phba->cfg_fcp_io_channel;
|
|
|
|
/* Associate next IO channel with CPU */
|
|
cpup->channel_id = chann[used_chann];
|
|
num_io_channel++;
|
|
used_chann++;
|
|
if (used_chann == saved_chann)
|
|
used_chann = 0;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3331 Set IO_CHANN "
|
|
"CPU %d channel %d\n",
|
|
idx, cpup->channel_id);
|
|
}
|
|
out:
|
|
cpu++;
|
|
if (cpu >= phba->sli4_hba.num_present_cpu) {
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
cpu = 0;
|
|
} else {
|
|
cpup++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
|
|
cpup = phba->sli4_hba.cpu_map;
|
|
for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
|
|
if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
|
|
cpup->channel_id = 0;
|
|
num_io_channel++;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3332 Assign IO_CHANN "
|
|
"CPU %d channel %d\n",
|
|
idx, cpup->channel_id);
|
|
}
|
|
cpup++;
|
|
}
|
|
}
|
|
|
|
/* Sanity check */
|
|
if (num_io_channel != phba->sli4_hba.num_present_cpu)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3333 Set affinity mismatch:"
|
|
"%d chann != %d cpus: %d vectors\n",
|
|
num_io_channel, phba->sli4_hba.num_present_cpu,
|
|
vectors);
|
|
|
|
/* Enable using cpu affinity for scheduling */
|
|
phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/**
|
|
* lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable the MSI-X interrupt vectors to device
|
|
* with SLI-4 interface spec. The kernel function pci_enable_msix_range()
|
|
* is called to enable the MSI-X vectors. The device driver is responsible
|
|
* for calling the individual request_irq() to register each MSI-X vector
|
|
* with a interrupt handler, which is done in this function. Note that
|
|
* later when device is unloading, the driver should always call free_irq()
|
|
* on all MSI-X vectors it has done request_irq() on before calling
|
|
* pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
|
|
* will be left with MSI-X enabled and leaks its vectors.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli4_enable_msix(struct lpfc_hba *phba)
|
|
{
|
|
int vectors, rc, index;
|
|
|
|
/* Set up MSI-X multi-message vectors */
|
|
for (index = 0; index < phba->cfg_fcp_io_channel; index++)
|
|
phba->sli4_hba.msix_entries[index].entry = index;
|
|
|
|
/* Configure MSI-X capability structure */
|
|
vectors = phba->cfg_fcp_io_channel;
|
|
if (phba->cfg_fof) {
|
|
phba->sli4_hba.msix_entries[index].entry = index;
|
|
vectors++;
|
|
}
|
|
rc = pci_enable_msix_range(phba->pcidev, phba->sli4_hba.msix_entries,
|
|
2, vectors);
|
|
if (rc < 0) {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0484 PCI enable MSI-X failed (%d)\n", rc);
|
|
goto vec_fail_out;
|
|
}
|
|
vectors = rc;
|
|
|
|
/* Log MSI-X vector assignment */
|
|
for (index = 0; index < vectors; index++)
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0489 MSI-X entry[%d]: vector=x%x "
|
|
"message=%d\n", index,
|
|
phba->sli4_hba.msix_entries[index].vector,
|
|
phba->sli4_hba.msix_entries[index].entry);
|
|
|
|
/* Assign MSI-X vectors to interrupt handlers */
|
|
for (index = 0; index < vectors; index++) {
|
|
memset(&phba->sli4_hba.handler_name[index], 0, 16);
|
|
snprintf((char *)&phba->sli4_hba.handler_name[index],
|
|
LPFC_SLI4_HANDLER_NAME_SZ,
|
|
LPFC_DRIVER_HANDLER_NAME"%d", index);
|
|
|
|
phba->sli4_hba.fcp_eq_hdl[index].idx = index;
|
|
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
|
|
atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
|
|
if (phba->cfg_fof && (index == (vectors - 1)))
|
|
rc = request_irq(
|
|
phba->sli4_hba.msix_entries[index].vector,
|
|
&lpfc_sli4_fof_intr_handler, 0,
|
|
(char *)&phba->sli4_hba.handler_name[index],
|
|
&phba->sli4_hba.fcp_eq_hdl[index]);
|
|
else
|
|
rc = request_irq(
|
|
phba->sli4_hba.msix_entries[index].vector,
|
|
&lpfc_sli4_hba_intr_handler, 0,
|
|
(char *)&phba->sli4_hba.handler_name[index],
|
|
&phba->sli4_hba.fcp_eq_hdl[index]);
|
|
if (rc) {
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0486 MSI-X fast-path (%d) "
|
|
"request_irq failed (%d)\n", index, rc);
|
|
goto cfg_fail_out;
|
|
}
|
|
}
|
|
|
|
if (phba->cfg_fof)
|
|
vectors--;
|
|
|
|
if (vectors != phba->cfg_fcp_io_channel) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3238 Reducing IO channels to match number of "
|
|
"MSI-X vectors, requested %d got %d\n",
|
|
phba->cfg_fcp_io_channel, vectors);
|
|
phba->cfg_fcp_io_channel = vectors;
|
|
}
|
|
|
|
if (!shost_use_blk_mq(lpfc_shost_from_vport(phba->pport)))
|
|
lpfc_sli4_set_affinity(phba, vectors);
|
|
return rc;
|
|
|
|
cfg_fail_out:
|
|
/* free the irq already requested */
|
|
for (--index; index >= 0; index--) {
|
|
irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
|
|
vector, NULL);
|
|
free_irq(phba->sli4_hba.msix_entries[index].vector,
|
|
&phba->sli4_hba.fcp_eq_hdl[index]);
|
|
}
|
|
|
|
/* Unconfigure MSI-X capability structure */
|
|
pci_disable_msix(phba->pcidev);
|
|
|
|
vec_fail_out:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to release the MSI-X vectors and then disable the
|
|
* MSI-X interrupt mode to device with SLI-4 interface spec.
|
|
**/
|
|
static void
|
|
lpfc_sli4_disable_msix(struct lpfc_hba *phba)
|
|
{
|
|
int index;
|
|
|
|
/* Free up MSI-X multi-message vectors */
|
|
for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
|
|
irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
|
|
vector, NULL);
|
|
free_irq(phba->sli4_hba.msix_entries[index].vector,
|
|
&phba->sli4_hba.fcp_eq_hdl[index]);
|
|
}
|
|
if (phba->cfg_fof) {
|
|
free_irq(phba->sli4_hba.msix_entries[index].vector,
|
|
&phba->sli4_hba.fcp_eq_hdl[index]);
|
|
}
|
|
/* Disable MSI-X */
|
|
pci_disable_msix(phba->pcidev);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable the MSI interrupt mode to device with
|
|
* SLI-4 interface spec. The kernel function pci_enable_msi() is called
|
|
* to enable the MSI vector. The device driver is responsible for calling
|
|
* the request_irq() to register MSI vector with a interrupt the handler,
|
|
* which is done in this function.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static int
|
|
lpfc_sli4_enable_msi(struct lpfc_hba *phba)
|
|
{
|
|
int rc, index;
|
|
|
|
rc = pci_enable_msi(phba->pcidev);
|
|
if (!rc)
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0487 PCI enable MSI mode success.\n");
|
|
else {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0488 PCI enable MSI mode failed (%d)\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
|
|
0, LPFC_DRIVER_NAME, phba);
|
|
if (rc) {
|
|
pci_disable_msi(phba->pcidev);
|
|
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
|
|
"0490 MSI request_irq failed (%d)\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
|
|
phba->sli4_hba.fcp_eq_hdl[index].idx = index;
|
|
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
|
|
}
|
|
|
|
if (phba->cfg_fof) {
|
|
phba->sli4_hba.fcp_eq_hdl[index].idx = index;
|
|
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to disable the MSI interrupt mode to device with
|
|
* SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
|
|
* done request_irq() on before calling pci_disable_msi(). Failure to do so
|
|
* results in a BUG_ON() and a device will be left with MSI enabled and leaks
|
|
* its vector.
|
|
**/
|
|
static void
|
|
lpfc_sli4_disable_msi(struct lpfc_hba *phba)
|
|
{
|
|
free_irq(phba->pcidev->irq, phba);
|
|
pci_disable_msi(phba->pcidev);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to enable device interrupt and associate driver's
|
|
* interrupt handler(s) to interrupt vector(s) to device with SLI-4
|
|
* interface spec. Depends on the interrupt mode configured to the driver,
|
|
* the driver will try to fallback from the configured interrupt mode to an
|
|
* interrupt mode which is supported by the platform, kernel, and device in
|
|
* the order of:
|
|
* MSI-X -> MSI -> IRQ.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* other values - error
|
|
**/
|
|
static uint32_t
|
|
lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
|
|
{
|
|
uint32_t intr_mode = LPFC_INTR_ERROR;
|
|
int retval, index;
|
|
|
|
if (cfg_mode == 2) {
|
|
/* Preparation before conf_msi mbox cmd */
|
|
retval = 0;
|
|
if (!retval) {
|
|
/* Now, try to enable MSI-X interrupt mode */
|
|
retval = lpfc_sli4_enable_msix(phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to MSI-X mode */
|
|
phba->intr_type = MSIX;
|
|
intr_mode = 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Fallback to MSI if MSI-X initialization failed */
|
|
if (cfg_mode >= 1 && phba->intr_type == NONE) {
|
|
retval = lpfc_sli4_enable_msi(phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to MSI mode */
|
|
phba->intr_type = MSI;
|
|
intr_mode = 1;
|
|
}
|
|
}
|
|
|
|
/* Fallback to INTx if both MSI-X/MSI initalization failed */
|
|
if (phba->intr_type == NONE) {
|
|
retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
|
|
IRQF_SHARED, LPFC_DRIVER_NAME, phba);
|
|
if (!retval) {
|
|
/* Indicate initialization to INTx mode */
|
|
phba->intr_type = INTx;
|
|
intr_mode = 0;
|
|
for (index = 0; index < phba->cfg_fcp_io_channel;
|
|
index++) {
|
|
phba->sli4_hba.fcp_eq_hdl[index].idx = index;
|
|
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
|
|
atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
|
|
fcp_eq_in_use, 1);
|
|
}
|
|
if (phba->cfg_fof) {
|
|
phba->sli4_hba.fcp_eq_hdl[index].idx = index;
|
|
phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
|
|
atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
|
|
fcp_eq_in_use, 1);
|
|
}
|
|
}
|
|
}
|
|
return intr_mode;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to disable device interrupt and disassociate
|
|
* the driver's interrupt handler(s) from interrupt vector(s) to device
|
|
* with SLI-4 interface spec. Depending on the interrupt mode, the driver
|
|
* will release the interrupt vector(s) for the message signaled interrupt.
|
|
**/
|
|
static void
|
|
lpfc_sli4_disable_intr(struct lpfc_hba *phba)
|
|
{
|
|
/* Disable the currently initialized interrupt mode */
|
|
if (phba->intr_type == MSIX)
|
|
lpfc_sli4_disable_msix(phba);
|
|
else if (phba->intr_type == MSI)
|
|
lpfc_sli4_disable_msi(phba);
|
|
else if (phba->intr_type == INTx)
|
|
free_irq(phba->pcidev->irq, phba);
|
|
|
|
/* Reset interrupt management states */
|
|
phba->intr_type = NONE;
|
|
phba->sli.slistat.sli_intr = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_unset_hba - Unset SLI3 hba device initialization
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to unset the HBA device initialization steps to
|
|
* a device with SLI-3 interface spec.
|
|
**/
|
|
static void
|
|
lpfc_unset_hba(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_vport *vport = phba->pport;
|
|
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
vport->load_flag |= FC_UNLOADING;
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
kfree(phba->vpi_bmask);
|
|
kfree(phba->vpi_ids);
|
|
|
|
lpfc_stop_hba_timers(phba);
|
|
|
|
phba->pport->work_port_events = 0;
|
|
|
|
lpfc_sli_hba_down(phba);
|
|
|
|
lpfc_sli_brdrestart(phba);
|
|
|
|
lpfc_sli_disable_intr(phba);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
|
|
* @phba: Pointer to HBA context object.
|
|
*
|
|
* This function is called in the SLI4 code path to wait for completion
|
|
* of device's XRIs exchange busy. It will check the XRI exchange busy
|
|
* on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
|
|
* that, it will check the XRI exchange busy on outstanding FCP and ELS
|
|
* I/Os every 30 seconds, log error message, and wait forever. Only when
|
|
* all XRI exchange busy complete, the driver unload shall proceed with
|
|
* invoking the function reset ioctl mailbox command to the CNA and the
|
|
* the rest of the driver unload resource release.
|
|
**/
|
|
static void
|
|
lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
|
|
{
|
|
int wait_time = 0;
|
|
int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
|
|
int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
|
|
|
|
while (!fcp_xri_cmpl || !els_xri_cmpl) {
|
|
if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
|
|
if (!fcp_xri_cmpl)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2877 FCP XRI exchange busy "
|
|
"wait time: %d seconds.\n",
|
|
wait_time/1000);
|
|
if (!els_xri_cmpl)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2878 ELS XRI exchange busy "
|
|
"wait time: %d seconds.\n",
|
|
wait_time/1000);
|
|
msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
|
|
wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
|
|
} else {
|
|
msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
|
|
wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
|
|
}
|
|
fcp_xri_cmpl =
|
|
list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
|
|
els_xri_cmpl =
|
|
list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_hba_unset - Unset the fcoe hba
|
|
* @phba: Pointer to HBA context object.
|
|
*
|
|
* This function is called in the SLI4 code path to reset the HBA's FCoE
|
|
* function. The caller is not required to hold any lock. This routine
|
|
* issues PCI function reset mailbox command to reset the FCoE function.
|
|
* At the end of the function, it calls lpfc_hba_down_post function to
|
|
* free any pending commands.
|
|
**/
|
|
static void
|
|
lpfc_sli4_hba_unset(struct lpfc_hba *phba)
|
|
{
|
|
int wait_cnt = 0;
|
|
LPFC_MBOXQ_t *mboxq;
|
|
struct pci_dev *pdev = phba->pcidev;
|
|
|
|
lpfc_stop_hba_timers(phba);
|
|
phba->sli4_hba.intr_enable = 0;
|
|
|
|
/*
|
|
* Gracefully wait out the potential current outstanding asynchronous
|
|
* mailbox command.
|
|
*/
|
|
|
|
/* First, block any pending async mailbox command from posted */
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* Now, trying to wait it out if we can */
|
|
while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
|
|
msleep(10);
|
|
if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
|
|
break;
|
|
}
|
|
/* Forcefully release the outstanding mailbox command if timed out */
|
|
if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
mboxq = phba->sli.mbox_active;
|
|
mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
|
|
__lpfc_mbox_cmpl_put(phba, mboxq);
|
|
phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
|
|
phba->sli.mbox_active = NULL;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
}
|
|
|
|
/* Abort all iocbs associated with the hba */
|
|
lpfc_sli_hba_iocb_abort(phba);
|
|
|
|
/* Wait for completion of device XRI exchange busy */
|
|
lpfc_sli4_xri_exchange_busy_wait(phba);
|
|
|
|
/* Disable PCI subsystem interrupt */
|
|
lpfc_sli4_disable_intr(phba);
|
|
|
|
/* Disable SR-IOV if enabled */
|
|
if (phba->cfg_sriov_nr_virtfn)
|
|
pci_disable_sriov(pdev);
|
|
|
|
/* Stop kthread signal shall trigger work_done one more time */
|
|
kthread_stop(phba->worker_thread);
|
|
|
|
/* Reset SLI4 HBA FCoE function */
|
|
lpfc_pci_function_reset(phba);
|
|
lpfc_sli4_queue_destroy(phba);
|
|
|
|
/* Stop the SLI4 device port */
|
|
phba->pport->work_port_events = 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
|
|
* @phba: Pointer to HBA context object.
|
|
* @mboxq: Pointer to the mailboxq memory for the mailbox command response.
|
|
*
|
|
* This function is called in the SLI4 code path to read the port's
|
|
* sli4 capabilities.
|
|
*
|
|
* This function may be be called from any context that can block-wait
|
|
* for the completion. The expectation is that this routine is called
|
|
* typically from probe_one or from the online routine.
|
|
**/
|
|
int
|
|
lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
|
|
{
|
|
int rc;
|
|
struct lpfc_mqe *mqe;
|
|
struct lpfc_pc_sli4_params *sli4_params;
|
|
uint32_t mbox_tmo;
|
|
|
|
rc = 0;
|
|
mqe = &mboxq->u.mqe;
|
|
|
|
/* Read the port's SLI4 Parameters port capabilities */
|
|
lpfc_pc_sli4_params(mboxq);
|
|
if (!phba->sli4_hba.intr_enable)
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
else {
|
|
mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
|
|
rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
|
|
}
|
|
|
|
if (unlikely(rc))
|
|
return 1;
|
|
|
|
sli4_params = &phba->sli4_hba.pc_sli4_params;
|
|
sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
|
|
sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
|
|
sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
|
|
sli4_params->featurelevel_1 = bf_get(featurelevel_1,
|
|
&mqe->un.sli4_params);
|
|
sli4_params->featurelevel_2 = bf_get(featurelevel_2,
|
|
&mqe->un.sli4_params);
|
|
sli4_params->proto_types = mqe->un.sli4_params.word3;
|
|
sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
|
|
sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
|
|
sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
|
|
sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
|
|
sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
|
|
sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
|
|
sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
|
|
sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
|
|
sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
|
|
sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
|
|
sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
|
|
sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
|
|
sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
|
|
sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
|
|
sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
|
|
sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
|
|
sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
|
|
sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
|
|
sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
|
|
sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
|
|
|
|
/* Make sure that sge_supp_len can be handled by the driver */
|
|
if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
|
|
sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
|
|
* @phba: Pointer to HBA context object.
|
|
* @mboxq: Pointer to the mailboxq memory for the mailbox command response.
|
|
*
|
|
* This function is called in the SLI4 code path to read the port's
|
|
* sli4 capabilities.
|
|
*
|
|
* This function may be be called from any context that can block-wait
|
|
* for the completion. The expectation is that this routine is called
|
|
* typically from probe_one or from the online routine.
|
|
**/
|
|
int
|
|
lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
|
|
{
|
|
int rc;
|
|
struct lpfc_mqe *mqe = &mboxq->u.mqe;
|
|
struct lpfc_pc_sli4_params *sli4_params;
|
|
uint32_t mbox_tmo;
|
|
int length;
|
|
struct lpfc_sli4_parameters *mbx_sli4_parameters;
|
|
|
|
/*
|
|
* By default, the driver assumes the SLI4 port requires RPI
|
|
* header postings. The SLI4_PARAM response will correct this
|
|
* assumption.
|
|
*/
|
|
phba->sli4_hba.rpi_hdrs_in_use = 1;
|
|
|
|
/* Read the port's SLI4 Config Parameters */
|
|
length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
|
|
sizeof(struct lpfc_sli4_cfg_mhdr));
|
|
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
|
|
LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
|
|
length, LPFC_SLI4_MBX_EMBED);
|
|
if (!phba->sli4_hba.intr_enable)
|
|
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
|
|
else {
|
|
mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
|
|
rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
|
|
}
|
|
if (unlikely(rc))
|
|
return rc;
|
|
sli4_params = &phba->sli4_hba.pc_sli4_params;
|
|
mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
|
|
sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
|
|
sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
|
|
sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
|
|
sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
|
|
mbx_sli4_parameters);
|
|
sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
|
|
mbx_sli4_parameters);
|
|
if (bf_get(cfg_phwq, mbx_sli4_parameters))
|
|
phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
|
|
else
|
|
phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
|
|
sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
|
|
sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
|
|
sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
|
|
sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
|
|
sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
|
|
sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
|
|
sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
|
|
sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
|
|
sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
|
|
mbx_sli4_parameters);
|
|
sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
|
|
mbx_sli4_parameters);
|
|
phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
|
|
phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
|
|
|
|
/* Make sure that sge_supp_len can be handled by the driver */
|
|
if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
|
|
sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
|
|
* @pdev: pointer to PCI device
|
|
* @pid: pointer to PCI device identifier
|
|
*
|
|
* This routine is to be called to attach a device with SLI-3 interface spec
|
|
* to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
|
|
* presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
|
|
* information of the device and driver to see if the driver state that it can
|
|
* support this kind of device. If the match is successful, the driver core
|
|
* invokes this routine. If this routine determines it can claim the HBA, it
|
|
* does all the initialization that it needs to do to handle the HBA properly.
|
|
*
|
|
* Return code
|
|
* 0 - driver can claim the device
|
|
* negative value - driver can not claim the device
|
|
**/
|
|
static int
|
|
lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
|
|
{
|
|
struct lpfc_hba *phba;
|
|
struct lpfc_vport *vport = NULL;
|
|
struct Scsi_Host *shost = NULL;
|
|
int error;
|
|
uint32_t cfg_mode, intr_mode;
|
|
|
|
/* Allocate memory for HBA structure */
|
|
phba = lpfc_hba_alloc(pdev);
|
|
if (!phba)
|
|
return -ENOMEM;
|
|
|
|
/* Perform generic PCI device enabling operation */
|
|
error = lpfc_enable_pci_dev(phba);
|
|
if (error)
|
|
goto out_free_phba;
|
|
|
|
/* Set up SLI API function jump table for PCI-device group-0 HBAs */
|
|
error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
|
|
if (error)
|
|
goto out_disable_pci_dev;
|
|
|
|
/* Set up SLI-3 specific device PCI memory space */
|
|
error = lpfc_sli_pci_mem_setup(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1402 Failed to set up pci memory space.\n");
|
|
goto out_disable_pci_dev;
|
|
}
|
|
|
|
/* Set up phase-1 common device driver resources */
|
|
error = lpfc_setup_driver_resource_phase1(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1403 Failed to set up driver resource.\n");
|
|
goto out_unset_pci_mem_s3;
|
|
}
|
|
|
|
/* Set up SLI-3 specific device driver resources */
|
|
error = lpfc_sli_driver_resource_setup(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1404 Failed to set up driver resource.\n");
|
|
goto out_unset_pci_mem_s3;
|
|
}
|
|
|
|
/* Initialize and populate the iocb list per host */
|
|
error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1405 Failed to initialize iocb list.\n");
|
|
goto out_unset_driver_resource_s3;
|
|
}
|
|
|
|
/* Set up common device driver resources */
|
|
error = lpfc_setup_driver_resource_phase2(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1406 Failed to set up driver resource.\n");
|
|
goto out_free_iocb_list;
|
|
}
|
|
|
|
/* Get the default values for Model Name and Description */
|
|
lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
|
|
|
|
/* Create SCSI host to the physical port */
|
|
error = lpfc_create_shost(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1407 Failed to create scsi host.\n");
|
|
goto out_unset_driver_resource;
|
|
}
|
|
|
|
/* Configure sysfs attributes */
|
|
vport = phba->pport;
|
|
error = lpfc_alloc_sysfs_attr(vport);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1476 Failed to allocate sysfs attr\n");
|
|
goto out_destroy_shost;
|
|
}
|
|
|
|
shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
|
|
/* Now, trying to enable interrupt and bring up the device */
|
|
cfg_mode = phba->cfg_use_msi;
|
|
while (true) {
|
|
/* Put device to a known state before enabling interrupt */
|
|
lpfc_stop_port(phba);
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0431 Failed to enable interrupt.\n");
|
|
error = -ENODEV;
|
|
goto out_free_sysfs_attr;
|
|
}
|
|
/* SLI-3 HBA setup */
|
|
if (lpfc_sli_hba_setup(phba)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1477 Failed to set up hba\n");
|
|
error = -ENODEV;
|
|
goto out_remove_device;
|
|
}
|
|
|
|
/* Wait 50ms for the interrupts of previous mailbox commands */
|
|
msleep(50);
|
|
/* Check active interrupts on message signaled interrupts */
|
|
if (intr_mode == 0 ||
|
|
phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
|
|
/* Log the current active interrupt mode */
|
|
phba->intr_mode = intr_mode;
|
|
lpfc_log_intr_mode(phba, intr_mode);
|
|
break;
|
|
} else {
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0447 Configure interrupt mode (%d) "
|
|
"failed active interrupt test.\n",
|
|
intr_mode);
|
|
/* Disable the current interrupt mode */
|
|
lpfc_sli_disable_intr(phba);
|
|
/* Try next level of interrupt mode */
|
|
cfg_mode = --intr_mode;
|
|
}
|
|
}
|
|
|
|
/* Perform post initialization setup */
|
|
lpfc_post_init_setup(phba);
|
|
|
|
/* Check if there are static vports to be created. */
|
|
lpfc_create_static_vport(phba);
|
|
|
|
return 0;
|
|
|
|
out_remove_device:
|
|
lpfc_unset_hba(phba);
|
|
out_free_sysfs_attr:
|
|
lpfc_free_sysfs_attr(vport);
|
|
out_destroy_shost:
|
|
lpfc_destroy_shost(phba);
|
|
out_unset_driver_resource:
|
|
lpfc_unset_driver_resource_phase2(phba);
|
|
out_free_iocb_list:
|
|
lpfc_free_iocb_list(phba);
|
|
out_unset_driver_resource_s3:
|
|
lpfc_sli_driver_resource_unset(phba);
|
|
out_unset_pci_mem_s3:
|
|
lpfc_sli_pci_mem_unset(phba);
|
|
out_disable_pci_dev:
|
|
lpfc_disable_pci_dev(phba);
|
|
if (shost)
|
|
scsi_host_put(shost);
|
|
out_free_phba:
|
|
lpfc_hba_free(phba);
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is to be called to disattach a device with SLI-3 interface
|
|
* spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
|
|
* removed from PCI bus, it performs all the necessary cleanup for the HBA
|
|
* device to be removed from the PCI subsystem properly.
|
|
**/
|
|
static void
|
|
lpfc_pci_remove_one_s3(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_vport **vports;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int i;
|
|
int bars = pci_select_bars(pdev, IORESOURCE_MEM);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
vport->load_flag |= FC_UNLOADING;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
lpfc_free_sysfs_attr(vport);
|
|
|
|
/* Release all the vports against this physical port */
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
|
|
continue;
|
|
fc_vport_terminate(vports[i]->fc_vport);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
|
|
/* Remove FC host and then SCSI host with the physical port */
|
|
fc_remove_host(shost);
|
|
scsi_remove_host(shost);
|
|
lpfc_cleanup(vport);
|
|
|
|
/*
|
|
* Bring down the SLI Layer. This step disable all interrupts,
|
|
* clears the rings, discards all mailbox commands, and resets
|
|
* the HBA.
|
|
*/
|
|
|
|
/* HBA interrupt will be disabled after this call */
|
|
lpfc_sli_hba_down(phba);
|
|
/* Stop kthread signal shall trigger work_done one more time */
|
|
kthread_stop(phba->worker_thread);
|
|
/* Final cleanup of txcmplq and reset the HBA */
|
|
lpfc_sli_brdrestart(phba);
|
|
|
|
kfree(phba->vpi_bmask);
|
|
kfree(phba->vpi_ids);
|
|
|
|
lpfc_stop_hba_timers(phba);
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_del_init(&vport->listentry);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
lpfc_debugfs_terminate(vport);
|
|
|
|
/* Disable SR-IOV if enabled */
|
|
if (phba->cfg_sriov_nr_virtfn)
|
|
pci_disable_sriov(pdev);
|
|
|
|
/* Disable interrupt */
|
|
lpfc_sli_disable_intr(phba);
|
|
|
|
scsi_host_put(shost);
|
|
|
|
/*
|
|
* Call scsi_free before mem_free since scsi bufs are released to their
|
|
* corresponding pools here.
|
|
*/
|
|
lpfc_scsi_free(phba);
|
|
lpfc_mem_free_all(phba);
|
|
|
|
dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
|
|
phba->hbqslimp.virt, phba->hbqslimp.phys);
|
|
|
|
/* Free resources associated with SLI2 interface */
|
|
dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
|
|
phba->slim2p.virt, phba->slim2p.phys);
|
|
|
|
/* unmap adapter SLIM and Control Registers */
|
|
iounmap(phba->ctrl_regs_memmap_p);
|
|
iounmap(phba->slim_memmap_p);
|
|
|
|
lpfc_hba_free(phba);
|
|
|
|
pci_release_selected_regions(pdev, bars);
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
|
|
* @pdev: pointer to PCI device
|
|
* @msg: power management message
|
|
*
|
|
* This routine is to be called from the kernel's PCI subsystem to support
|
|
* system Power Management (PM) to device with SLI-3 interface spec. When
|
|
* PM invokes this method, it quiesces the device by stopping the driver's
|
|
* worker thread for the device, turning off device's interrupt and DMA,
|
|
* and bring the device offline. Note that as the driver implements the
|
|
* minimum PM requirements to a power-aware driver's PM support for the
|
|
* suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
|
|
* to the suspend() method call will be treated as SUSPEND and the driver will
|
|
* fully reinitialize its device during resume() method call, the driver will
|
|
* set device to PCI_D3hot state in PCI config space instead of setting it
|
|
* according to the @msg provided by the PM.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0473 PCI device Power Management suspend.\n");
|
|
|
|
/* Bring down the device */
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
lpfc_offline(phba);
|
|
kthread_stop(phba->worker_thread);
|
|
|
|
/* Disable interrupt from device */
|
|
lpfc_sli_disable_intr(phba);
|
|
|
|
/* Save device state to PCI config space */
|
|
pci_save_state(pdev);
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is to be called from the kernel's PCI subsystem to support
|
|
* system Power Management (PM) to device with SLI-3 interface spec. When PM
|
|
* invokes this method, it restores the device's PCI config space state and
|
|
* fully reinitializes the device and brings it online. Note that as the
|
|
* driver implements the minimum PM requirements to a power-aware driver's
|
|
* PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
|
|
* FREEZE) to the suspend() method call will be treated as SUSPEND and the
|
|
* driver will fully reinitialize its device during resume() method call,
|
|
* the device will be set to PCI_D0 directly in PCI config space before
|
|
* restoring the state.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_resume_one_s3(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
uint32_t intr_mode;
|
|
int error;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0452 PCI device Power Management resume.\n");
|
|
|
|
/* Restore device state from PCI config space */
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_restore_state(pdev);
|
|
|
|
/*
|
|
* As the new kernel behavior of pci_restore_state() API call clears
|
|
* device saved_state flag, need to save the restored state again.
|
|
*/
|
|
pci_save_state(pdev);
|
|
|
|
if (pdev->is_busmaster)
|
|
pci_set_master(pdev);
|
|
|
|
/* Startup the kernel thread for this host adapter. */
|
|
phba->worker_thread = kthread_run(lpfc_do_work, phba,
|
|
"lpfc_worker_%d", phba->brd_no);
|
|
if (IS_ERR(phba->worker_thread)) {
|
|
error = PTR_ERR(phba->worker_thread);
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0434 PM resume failed to start worker "
|
|
"thread: error=x%x.\n", error);
|
|
return error;
|
|
}
|
|
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0430 PM resume Failed to enable interrupt\n");
|
|
return -EIO;
|
|
} else
|
|
phba->intr_mode = intr_mode;
|
|
|
|
/* Restart HBA and bring it online */
|
|
lpfc_sli_brdrestart(phba);
|
|
lpfc_online(phba);
|
|
|
|
/* Log the current active interrupt mode */
|
|
lpfc_log_intr_mode(phba, phba->intr_mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI3 device for PCI slot recover. It
|
|
* aborts all the outstanding SCSI I/Os to the pci device.
|
|
**/
|
|
static void
|
|
lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2723 PCI channel I/O abort preparing for recovery\n");
|
|
|
|
/*
|
|
* There may be errored I/Os through HBA, abort all I/Os on txcmplq
|
|
* and let the SCSI mid-layer to retry them to recover.
|
|
*/
|
|
lpfc_sli_abort_fcp_rings(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI3 device for PCI slot reset. It
|
|
* disables the device interrupt and pci device, and aborts the internal FCP
|
|
* pending I/Os.
|
|
**/
|
|
static void
|
|
lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2710 PCI channel disable preparing for reset\n");
|
|
|
|
/* Block any management I/Os to the device */
|
|
lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
|
|
|
|
/* Block all SCSI devices' I/Os on the host */
|
|
lpfc_scsi_dev_block(phba);
|
|
|
|
/* Flush all driver's outstanding SCSI I/Os as we are to reset */
|
|
lpfc_sli_flush_fcp_rings(phba);
|
|
|
|
/* stop all timers */
|
|
lpfc_stop_hba_timers(phba);
|
|
|
|
/* Disable interrupt and pci device */
|
|
lpfc_sli_disable_intr(phba);
|
|
pci_disable_device(phba->pcidev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI3 device for PCI slot permanently
|
|
* disabling. It blocks the SCSI transport layer traffic and flushes the FCP
|
|
* pending I/Os.
|
|
**/
|
|
static void
|
|
lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2711 PCI channel permanent disable for failure\n");
|
|
/* Block all SCSI devices' I/Os on the host */
|
|
lpfc_scsi_dev_block(phba);
|
|
|
|
/* stop all timers */
|
|
lpfc_stop_hba_timers(phba);
|
|
|
|
/* Clean up all driver's outstanding SCSI I/Os */
|
|
lpfc_sli_flush_fcp_rings(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
|
|
* @pdev: pointer to PCI device.
|
|
* @state: the current PCI connection state.
|
|
*
|
|
* This routine is called from the PCI subsystem for I/O error handling to
|
|
* device with SLI-3 interface spec. This function is called by the PCI
|
|
* subsystem after a PCI bus error affecting this device has been detected.
|
|
* When this function is invoked, it will need to stop all the I/Os and
|
|
* interrupt(s) to the device. Once that is done, it will return
|
|
* PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
|
|
* as desired.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
|
|
* PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
**/
|
|
static pci_ers_result_t
|
|
lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
switch (state) {
|
|
case pci_channel_io_normal:
|
|
/* Non-fatal error, prepare for recovery */
|
|
lpfc_sli_prep_dev_for_recover(phba);
|
|
return PCI_ERS_RESULT_CAN_RECOVER;
|
|
case pci_channel_io_frozen:
|
|
/* Fatal error, prepare for slot reset */
|
|
lpfc_sli_prep_dev_for_reset(phba);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
case pci_channel_io_perm_failure:
|
|
/* Permanent failure, prepare for device down */
|
|
lpfc_sli_prep_dev_for_perm_failure(phba);
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
default:
|
|
/* Unknown state, prepare and request slot reset */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0472 Unknown PCI error state: x%x\n", state);
|
|
lpfc_sli_prep_dev_for_reset(phba);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
|
|
* @pdev: pointer to PCI device.
|
|
*
|
|
* This routine is called from the PCI subsystem for error handling to
|
|
* device with SLI-3 interface spec. This is called after PCI bus has been
|
|
* reset to restart the PCI card from scratch, as if from a cold-boot.
|
|
* During the PCI subsystem error recovery, after driver returns
|
|
* PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
|
|
* recovery and then call this routine before calling the .resume method
|
|
* to recover the device. This function will initialize the HBA device,
|
|
* enable the interrupt, but it will just put the HBA to offline state
|
|
* without passing any I/O traffic.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_RECOVERED - the device has been recovered
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
*/
|
|
static pci_ers_result_t
|
|
lpfc_io_slot_reset_s3(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
uint32_t intr_mode;
|
|
|
|
dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
|
|
if (pci_enable_device_mem(pdev)) {
|
|
printk(KERN_ERR "lpfc: Cannot re-enable "
|
|
"PCI device after reset.\n");
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
}
|
|
|
|
pci_restore_state(pdev);
|
|
|
|
/*
|
|
* As the new kernel behavior of pci_restore_state() API call clears
|
|
* device saved_state flag, need to save the restored state again.
|
|
*/
|
|
pci_save_state(pdev);
|
|
|
|
if (pdev->is_busmaster)
|
|
pci_set_master(pdev);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag &= ~LPFC_SLI_ACTIVE;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0427 Cannot re-enable interrupt after "
|
|
"slot reset.\n");
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
} else
|
|
phba->intr_mode = intr_mode;
|
|
|
|
/* Take device offline, it will perform cleanup */
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
lpfc_offline(phba);
|
|
lpfc_sli_brdrestart(phba);
|
|
|
|
/* Log the current active interrupt mode */
|
|
lpfc_log_intr_mode(phba, phba->intr_mode);
|
|
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is called from the PCI subsystem for error handling to device
|
|
* with SLI-3 interface spec. It is called when kernel error recovery tells
|
|
* the lpfc driver that it is ok to resume normal PCI operation after PCI bus
|
|
* error recovery. After this call, traffic can start to flow from this device
|
|
* again.
|
|
*/
|
|
static void
|
|
lpfc_io_resume_s3(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
/* Bring device online, it will be no-op for non-fatal error resume */
|
|
lpfc_online(phba);
|
|
|
|
/* Clean up Advanced Error Reporting (AER) if needed */
|
|
if (phba->hba_flag & HBA_AER_ENABLED)
|
|
pci_cleanup_aer_uncorrect_error_status(pdev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* returns the number of ELS/CT IOCBs to reserve
|
|
**/
|
|
int
|
|
lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
|
|
{
|
|
int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
|
|
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
if (max_xri <= 100)
|
|
return 10;
|
|
else if (max_xri <= 256)
|
|
return 25;
|
|
else if (max_xri <= 512)
|
|
return 50;
|
|
else if (max_xri <= 1024)
|
|
return 100;
|
|
else if (max_xri <= 1536)
|
|
return 150;
|
|
else if (max_xri <= 2048)
|
|
return 200;
|
|
else
|
|
return 250;
|
|
} else
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_write_firmware - attempt to write a firmware image to the port
|
|
* @fw: pointer to firmware image returned from request_firmware.
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
**/
|
|
static void
|
|
lpfc_write_firmware(const struct firmware *fw, void *context)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba *)context;
|
|
char fwrev[FW_REV_STR_SIZE];
|
|
struct lpfc_grp_hdr *image;
|
|
struct list_head dma_buffer_list;
|
|
int i, rc = 0;
|
|
struct lpfc_dmabuf *dmabuf, *next;
|
|
uint32_t offset = 0, temp_offset = 0;
|
|
|
|
/* It can be null in no-wait mode, sanity check */
|
|
if (!fw) {
|
|
rc = -ENXIO;
|
|
goto out;
|
|
}
|
|
image = (struct lpfc_grp_hdr *)fw->data;
|
|
|
|
INIT_LIST_HEAD(&dma_buffer_list);
|
|
if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
|
|
(bf_get_be32(lpfc_grp_hdr_file_type, image) !=
|
|
LPFC_FILE_TYPE_GROUP) ||
|
|
(bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
|
|
(be32_to_cpu(image->size) != fw->size)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3022 Invalid FW image found. "
|
|
"Magic:%x Type:%x ID:%x\n",
|
|
be32_to_cpu(image->magic_number),
|
|
bf_get_be32(lpfc_grp_hdr_file_type, image),
|
|
bf_get_be32(lpfc_grp_hdr_id, image));
|
|
rc = -EINVAL;
|
|
goto release_out;
|
|
}
|
|
lpfc_decode_firmware_rev(phba, fwrev, 1);
|
|
if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3023 Updating Firmware, Current Version:%s "
|
|
"New Version:%s\n",
|
|
fwrev, image->revision);
|
|
for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
|
|
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
|
|
GFP_KERNEL);
|
|
if (!dmabuf) {
|
|
rc = -ENOMEM;
|
|
goto release_out;
|
|
}
|
|
dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
|
|
SLI4_PAGE_SIZE,
|
|
&dmabuf->phys,
|
|
GFP_KERNEL);
|
|
if (!dmabuf->virt) {
|
|
kfree(dmabuf);
|
|
rc = -ENOMEM;
|
|
goto release_out;
|
|
}
|
|
list_add_tail(&dmabuf->list, &dma_buffer_list);
|
|
}
|
|
while (offset < fw->size) {
|
|
temp_offset = offset;
|
|
list_for_each_entry(dmabuf, &dma_buffer_list, list) {
|
|
if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
|
|
memcpy(dmabuf->virt,
|
|
fw->data + temp_offset,
|
|
fw->size - temp_offset);
|
|
temp_offset = fw->size;
|
|
break;
|
|
}
|
|
memcpy(dmabuf->virt, fw->data + temp_offset,
|
|
SLI4_PAGE_SIZE);
|
|
temp_offset += SLI4_PAGE_SIZE;
|
|
}
|
|
rc = lpfc_wr_object(phba, &dma_buffer_list,
|
|
(fw->size - offset), &offset);
|
|
if (rc)
|
|
goto release_out;
|
|
}
|
|
rc = offset;
|
|
}
|
|
|
|
release_out:
|
|
list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
|
|
list_del(&dmabuf->list);
|
|
dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
|
|
dmabuf->virt, dmabuf->phys);
|
|
kfree(dmabuf);
|
|
}
|
|
release_firmware(fw);
|
|
out:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3024 Firmware update done: %d.\n", rc);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to perform Linux generic firmware upgrade on device
|
|
* that supports such feature.
|
|
**/
|
|
int
|
|
lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
|
|
{
|
|
uint8_t file_name[ELX_MODEL_NAME_SIZE];
|
|
int ret;
|
|
const struct firmware *fw;
|
|
|
|
/* Only supported on SLI4 interface type 2 for now */
|
|
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
|
|
LPFC_SLI_INTF_IF_TYPE_2)
|
|
return -EPERM;
|
|
|
|
snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
|
|
|
|
if (fw_upgrade == INT_FW_UPGRADE) {
|
|
ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
|
|
file_name, &phba->pcidev->dev,
|
|
GFP_KERNEL, (void *)phba,
|
|
lpfc_write_firmware);
|
|
} else if (fw_upgrade == RUN_FW_UPGRADE) {
|
|
ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
|
|
if (!ret)
|
|
lpfc_write_firmware(fw, (void *)phba);
|
|
} else {
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
|
|
* @pdev: pointer to PCI device
|
|
* @pid: pointer to PCI device identifier
|
|
*
|
|
* This routine is called from the kernel's PCI subsystem to device with
|
|
* SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
|
|
* presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
|
|
* information of the device and driver to see if the driver state that it
|
|
* can support this kind of device. If the match is successful, the driver
|
|
* core invokes this routine. If this routine determines it can claim the HBA,
|
|
* it does all the initialization that it needs to do to handle the HBA
|
|
* properly.
|
|
*
|
|
* Return code
|
|
* 0 - driver can claim the device
|
|
* negative value - driver can not claim the device
|
|
**/
|
|
static int
|
|
lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
|
|
{
|
|
struct lpfc_hba *phba;
|
|
struct lpfc_vport *vport = NULL;
|
|
struct Scsi_Host *shost = NULL;
|
|
int error;
|
|
uint32_t cfg_mode, intr_mode;
|
|
int adjusted_fcp_io_channel;
|
|
|
|
/* Allocate memory for HBA structure */
|
|
phba = lpfc_hba_alloc(pdev);
|
|
if (!phba)
|
|
return -ENOMEM;
|
|
|
|
/* Perform generic PCI device enabling operation */
|
|
error = lpfc_enable_pci_dev(phba);
|
|
if (error)
|
|
goto out_free_phba;
|
|
|
|
/* Set up SLI API function jump table for PCI-device group-1 HBAs */
|
|
error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
|
|
if (error)
|
|
goto out_disable_pci_dev;
|
|
|
|
/* Set up SLI-4 specific device PCI memory space */
|
|
error = lpfc_sli4_pci_mem_setup(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1410 Failed to set up pci memory space.\n");
|
|
goto out_disable_pci_dev;
|
|
}
|
|
|
|
/* Set up phase-1 common device driver resources */
|
|
error = lpfc_setup_driver_resource_phase1(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1411 Failed to set up driver resource.\n");
|
|
goto out_unset_pci_mem_s4;
|
|
}
|
|
|
|
/* Set up SLI-4 Specific device driver resources */
|
|
error = lpfc_sli4_driver_resource_setup(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1412 Failed to set up driver resource.\n");
|
|
goto out_unset_pci_mem_s4;
|
|
}
|
|
|
|
/* Initialize and populate the iocb list per host */
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2821 initialize iocb list %d.\n",
|
|
phba->cfg_iocb_cnt*1024);
|
|
error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
|
|
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1413 Failed to initialize iocb list.\n");
|
|
goto out_unset_driver_resource_s4;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&phba->active_rrq_list);
|
|
INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
|
|
|
|
/* Set up common device driver resources */
|
|
error = lpfc_setup_driver_resource_phase2(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1414 Failed to set up driver resource.\n");
|
|
goto out_free_iocb_list;
|
|
}
|
|
|
|
/* Get the default values for Model Name and Description */
|
|
lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
|
|
|
|
/* Create SCSI host to the physical port */
|
|
error = lpfc_create_shost(phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1415 Failed to create scsi host.\n");
|
|
goto out_unset_driver_resource;
|
|
}
|
|
|
|
/* Configure sysfs attributes */
|
|
vport = phba->pport;
|
|
error = lpfc_alloc_sysfs_attr(vport);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1416 Failed to allocate sysfs attr\n");
|
|
goto out_destroy_shost;
|
|
}
|
|
|
|
shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
|
|
/* Now, trying to enable interrupt and bring up the device */
|
|
cfg_mode = phba->cfg_use_msi;
|
|
|
|
/* Put device to a known state before enabling interrupt */
|
|
lpfc_stop_port(phba);
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0426 Failed to enable interrupt.\n");
|
|
error = -ENODEV;
|
|
goto out_free_sysfs_attr;
|
|
}
|
|
/* Default to single EQ for non-MSI-X */
|
|
if (phba->intr_type != MSIX)
|
|
adjusted_fcp_io_channel = 1;
|
|
else
|
|
adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
|
|
phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
|
|
/* Set up SLI-4 HBA */
|
|
if (lpfc_sli4_hba_setup(phba)) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1421 Failed to set up hba\n");
|
|
error = -ENODEV;
|
|
goto out_disable_intr;
|
|
}
|
|
|
|
/* Log the current active interrupt mode */
|
|
phba->intr_mode = intr_mode;
|
|
lpfc_log_intr_mode(phba, intr_mode);
|
|
|
|
/* Perform post initialization setup */
|
|
lpfc_post_init_setup(phba);
|
|
|
|
/* check for firmware upgrade or downgrade */
|
|
if (phba->cfg_request_firmware_upgrade)
|
|
lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
|
|
|
|
/* Check if there are static vports to be created. */
|
|
lpfc_create_static_vport(phba);
|
|
return 0;
|
|
|
|
out_disable_intr:
|
|
lpfc_sli4_disable_intr(phba);
|
|
out_free_sysfs_attr:
|
|
lpfc_free_sysfs_attr(vport);
|
|
out_destroy_shost:
|
|
lpfc_destroy_shost(phba);
|
|
out_unset_driver_resource:
|
|
lpfc_unset_driver_resource_phase2(phba);
|
|
out_free_iocb_list:
|
|
lpfc_free_iocb_list(phba);
|
|
out_unset_driver_resource_s4:
|
|
lpfc_sli4_driver_resource_unset(phba);
|
|
out_unset_pci_mem_s4:
|
|
lpfc_sli4_pci_mem_unset(phba);
|
|
out_disable_pci_dev:
|
|
lpfc_disable_pci_dev(phba);
|
|
if (shost)
|
|
scsi_host_put(shost);
|
|
out_free_phba:
|
|
lpfc_hba_free(phba);
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is called from the kernel's PCI subsystem to device with
|
|
* SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
|
|
* removed from PCI bus, it performs all the necessary cleanup for the HBA
|
|
* device to be removed from the PCI subsystem properly.
|
|
**/
|
|
static void
|
|
lpfc_pci_remove_one_s4(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_vport **vports;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int i;
|
|
|
|
/* Mark the device unloading flag */
|
|
spin_lock_irq(&phba->hbalock);
|
|
vport->load_flag |= FC_UNLOADING;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Free the HBA sysfs attributes */
|
|
lpfc_free_sysfs_attr(vport);
|
|
|
|
/* Release all the vports against this physical port */
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports != NULL)
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
|
|
continue;
|
|
fc_vport_terminate(vports[i]->fc_vport);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
|
|
/* Remove FC host and then SCSI host with the physical port */
|
|
fc_remove_host(shost);
|
|
scsi_remove_host(shost);
|
|
|
|
/* Perform cleanup on the physical port */
|
|
lpfc_cleanup(vport);
|
|
|
|
/*
|
|
* Bring down the SLI Layer. This step disables all interrupts,
|
|
* clears the rings, discards all mailbox commands, and resets
|
|
* the HBA FCoE function.
|
|
*/
|
|
lpfc_debugfs_terminate(vport);
|
|
lpfc_sli4_hba_unset(phba);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
list_del_init(&vport->listentry);
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Perform scsi free before driver resource_unset since scsi
|
|
* buffers are released to their corresponding pools here.
|
|
*/
|
|
lpfc_scsi_free(phba);
|
|
|
|
lpfc_sli4_driver_resource_unset(phba);
|
|
|
|
/* Unmap adapter Control and Doorbell registers */
|
|
lpfc_sli4_pci_mem_unset(phba);
|
|
|
|
/* Release PCI resources and disable device's PCI function */
|
|
scsi_host_put(shost);
|
|
lpfc_disable_pci_dev(phba);
|
|
|
|
/* Finally, free the driver's device data structure */
|
|
lpfc_hba_free(phba);
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
|
|
* @pdev: pointer to PCI device
|
|
* @msg: power management message
|
|
*
|
|
* This routine is called from the kernel's PCI subsystem to support system
|
|
* Power Management (PM) to device with SLI-4 interface spec. When PM invokes
|
|
* this method, it quiesces the device by stopping the driver's worker
|
|
* thread for the device, turning off device's interrupt and DMA, and bring
|
|
* the device offline. Note that as the driver implements the minimum PM
|
|
* requirements to a power-aware driver's PM support for suspend/resume -- all
|
|
* the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
|
|
* method call will be treated as SUSPEND and the driver will fully
|
|
* reinitialize its device during resume() method call, the driver will set
|
|
* device to PCI_D3hot state in PCI config space instead of setting it
|
|
* according to the @msg provided by the PM.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"2843 PCI device Power Management suspend.\n");
|
|
|
|
/* Bring down the device */
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
lpfc_offline(phba);
|
|
kthread_stop(phba->worker_thread);
|
|
|
|
/* Disable interrupt from device */
|
|
lpfc_sli4_disable_intr(phba);
|
|
lpfc_sli4_queue_destroy(phba);
|
|
|
|
/* Save device state to PCI config space */
|
|
pci_save_state(pdev);
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is called from the kernel's PCI subsystem to support system
|
|
* Power Management (PM) to device with SLI-4 interface spac. When PM invokes
|
|
* this method, it restores the device's PCI config space state and fully
|
|
* reinitializes the device and brings it online. Note that as the driver
|
|
* implements the minimum PM requirements to a power-aware driver's PM for
|
|
* suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
|
|
* to the suspend() method call will be treated as SUSPEND and the driver
|
|
* will fully reinitialize its device during resume() method call, the device
|
|
* will be set to PCI_D0 directly in PCI config space before restoring the
|
|
* state.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_resume_one_s4(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
uint32_t intr_mode;
|
|
int error;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"0292 PCI device Power Management resume.\n");
|
|
|
|
/* Restore device state from PCI config space */
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_restore_state(pdev);
|
|
|
|
/*
|
|
* As the new kernel behavior of pci_restore_state() API call clears
|
|
* device saved_state flag, need to save the restored state again.
|
|
*/
|
|
pci_save_state(pdev);
|
|
|
|
if (pdev->is_busmaster)
|
|
pci_set_master(pdev);
|
|
|
|
/* Startup the kernel thread for this host adapter. */
|
|
phba->worker_thread = kthread_run(lpfc_do_work, phba,
|
|
"lpfc_worker_%d", phba->brd_no);
|
|
if (IS_ERR(phba->worker_thread)) {
|
|
error = PTR_ERR(phba->worker_thread);
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0293 PM resume failed to start worker "
|
|
"thread: error=x%x.\n", error);
|
|
return error;
|
|
}
|
|
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0294 PM resume Failed to enable interrupt\n");
|
|
return -EIO;
|
|
} else
|
|
phba->intr_mode = intr_mode;
|
|
|
|
/* Restart HBA and bring it online */
|
|
lpfc_sli_brdrestart(phba);
|
|
lpfc_online(phba);
|
|
|
|
/* Log the current active interrupt mode */
|
|
lpfc_log_intr_mode(phba, phba->intr_mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI4 device for PCI slot recover. It
|
|
* aborts all the outstanding SCSI I/Os to the pci device.
|
|
**/
|
|
static void
|
|
lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2828 PCI channel I/O abort preparing for recovery\n");
|
|
/*
|
|
* There may be errored I/Os through HBA, abort all I/Os on txcmplq
|
|
* and let the SCSI mid-layer to retry them to recover.
|
|
*/
|
|
lpfc_sli_abort_fcp_rings(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI4 device for PCI slot reset. It
|
|
* disables the device interrupt and pci device, and aborts the internal FCP
|
|
* pending I/Os.
|
|
**/
|
|
static void
|
|
lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2826 PCI channel disable preparing for reset\n");
|
|
|
|
/* Block any management I/Os to the device */
|
|
lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
|
|
|
|
/* Block all SCSI devices' I/Os on the host */
|
|
lpfc_scsi_dev_block(phba);
|
|
|
|
/* Flush all driver's outstanding SCSI I/Os as we are to reset */
|
|
lpfc_sli_flush_fcp_rings(phba);
|
|
|
|
/* stop all timers */
|
|
lpfc_stop_hba_timers(phba);
|
|
|
|
/* Disable interrupt and pci device */
|
|
lpfc_sli4_disable_intr(phba);
|
|
lpfc_sli4_queue_destroy(phba);
|
|
pci_disable_device(phba->pcidev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is called to prepare the SLI4 device for PCI slot permanently
|
|
* disabling. It blocks the SCSI transport layer traffic and flushes the FCP
|
|
* pending I/Os.
|
|
**/
|
|
static void
|
|
lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2827 PCI channel permanent disable for failure\n");
|
|
|
|
/* Block all SCSI devices' I/Os on the host */
|
|
lpfc_scsi_dev_block(phba);
|
|
|
|
/* stop all timers */
|
|
lpfc_stop_hba_timers(phba);
|
|
|
|
/* Clean up all driver's outstanding SCSI I/Os */
|
|
lpfc_sli_flush_fcp_rings(phba);
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
|
|
* @pdev: pointer to PCI device.
|
|
* @state: the current PCI connection state.
|
|
*
|
|
* This routine is called from the PCI subsystem for error handling to device
|
|
* with SLI-4 interface spec. This function is called by the PCI subsystem
|
|
* after a PCI bus error affecting this device has been detected. When this
|
|
* function is invoked, it will need to stop all the I/Os and interrupt(s)
|
|
* to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
|
|
* for the PCI subsystem to perform proper recovery as desired.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
**/
|
|
static pci_ers_result_t
|
|
lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
switch (state) {
|
|
case pci_channel_io_normal:
|
|
/* Non-fatal error, prepare for recovery */
|
|
lpfc_sli4_prep_dev_for_recover(phba);
|
|
return PCI_ERS_RESULT_CAN_RECOVER;
|
|
case pci_channel_io_frozen:
|
|
/* Fatal error, prepare for slot reset */
|
|
lpfc_sli4_prep_dev_for_reset(phba);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
case pci_channel_io_perm_failure:
|
|
/* Permanent failure, prepare for device down */
|
|
lpfc_sli4_prep_dev_for_perm_failure(phba);
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
default:
|
|
/* Unknown state, prepare and request slot reset */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2825 Unknown PCI error state: x%x\n", state);
|
|
lpfc_sli4_prep_dev_for_reset(phba);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
|
|
* @pdev: pointer to PCI device.
|
|
*
|
|
* This routine is called from the PCI subsystem for error handling to device
|
|
* with SLI-4 interface spec. It is called after PCI bus has been reset to
|
|
* restart the PCI card from scratch, as if from a cold-boot. During the
|
|
* PCI subsystem error recovery, after the driver returns
|
|
* PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
|
|
* recovery and then call this routine before calling the .resume method to
|
|
* recover the device. This function will initialize the HBA device, enable
|
|
* the interrupt, but it will just put the HBA to offline state without
|
|
* passing any I/O traffic.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_RECOVERED - the device has been recovered
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
*/
|
|
static pci_ers_result_t
|
|
lpfc_io_slot_reset_s4(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
uint32_t intr_mode;
|
|
|
|
dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
|
|
if (pci_enable_device_mem(pdev)) {
|
|
printk(KERN_ERR "lpfc: Cannot re-enable "
|
|
"PCI device after reset.\n");
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
}
|
|
|
|
pci_restore_state(pdev);
|
|
|
|
/*
|
|
* As the new kernel behavior of pci_restore_state() API call clears
|
|
* device saved_state flag, need to save the restored state again.
|
|
*/
|
|
pci_save_state(pdev);
|
|
|
|
if (pdev->is_busmaster)
|
|
pci_set_master(pdev);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
psli->sli_flag &= ~LPFC_SLI_ACTIVE;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
/* Configure and enable interrupt */
|
|
intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
|
|
if (intr_mode == LPFC_INTR_ERROR) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2824 Cannot re-enable interrupt after "
|
|
"slot reset.\n");
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
} else
|
|
phba->intr_mode = intr_mode;
|
|
|
|
/* Log the current active interrupt mode */
|
|
lpfc_log_intr_mode(phba, phba->intr_mode);
|
|
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is called from the PCI subsystem for error handling to device
|
|
* with SLI-4 interface spec. It is called when kernel error recovery tells
|
|
* the lpfc driver that it is ok to resume normal PCI operation after PCI bus
|
|
* error recovery. After this call, traffic can start to flow from this device
|
|
* again.
|
|
**/
|
|
static void
|
|
lpfc_io_resume_s4(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
/*
|
|
* In case of slot reset, as function reset is performed through
|
|
* mailbox command which needs DMA to be enabled, this operation
|
|
* has to be moved to the io resume phase. Taking device offline
|
|
* will perform the necessary cleanup.
|
|
*/
|
|
if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
|
|
/* Perform device reset */
|
|
lpfc_offline_prep(phba, LPFC_MBX_WAIT);
|
|
lpfc_offline(phba);
|
|
lpfc_sli_brdrestart(phba);
|
|
/* Bring the device back online */
|
|
lpfc_online(phba);
|
|
}
|
|
|
|
/* Clean up Advanced Error Reporting (AER) if needed */
|
|
if (phba->hba_flag & HBA_AER_ENABLED)
|
|
pci_cleanup_aer_uncorrect_error_status(pdev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
|
|
* @pdev: pointer to PCI device
|
|
* @pid: pointer to PCI device identifier
|
|
*
|
|
* This routine is to be registered to the kernel's PCI subsystem. When an
|
|
* Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
|
|
* at PCI device-specific information of the device and driver to see if the
|
|
* driver state that it can support this kind of device. If the match is
|
|
* successful, the driver core invokes this routine. This routine dispatches
|
|
* the action to the proper SLI-3 or SLI-4 device probing routine, which will
|
|
* do all the initialization that it needs to do to handle the HBA device
|
|
* properly.
|
|
*
|
|
* Return code
|
|
* 0 - driver can claim the device
|
|
* negative value - driver can not claim the device
|
|
**/
|
|
static int
|
|
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
|
|
{
|
|
int rc;
|
|
struct lpfc_sli_intf intf;
|
|
|
|
if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
|
|
return -ENODEV;
|
|
|
|
if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
|
|
(bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
|
|
rc = lpfc_pci_probe_one_s4(pdev, pid);
|
|
else
|
|
rc = lpfc_pci_probe_one_s3(pdev, pid);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is to be registered to the kernel's PCI subsystem. When an
|
|
* Emulex HBA is removed from PCI bus, the driver core invokes this routine.
|
|
* This routine dispatches the action to the proper SLI-3 or SLI-4 device
|
|
* remove routine, which will perform all the necessary cleanup for the
|
|
* device to be removed from the PCI subsystem properly.
|
|
**/
|
|
static void
|
|
lpfc_pci_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
lpfc_pci_remove_one_s3(pdev);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
lpfc_pci_remove_one_s4(pdev);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1424 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
|
|
* @pdev: pointer to PCI device
|
|
* @msg: power management message
|
|
*
|
|
* This routine is to be registered to the kernel's PCI subsystem to support
|
|
* system Power Management (PM). When PM invokes this method, it dispatches
|
|
* the action to the proper SLI-3 or SLI-4 device suspend routine, which will
|
|
* suspend the device.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
int rc = -ENODEV;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
rc = lpfc_pci_suspend_one_s3(pdev, msg);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
rc = lpfc_pci_suspend_one_s4(pdev, msg);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1425 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is to be registered to the kernel's PCI subsystem to support
|
|
* system Power Management (PM). When PM invokes this method, it dispatches
|
|
* the action to the proper SLI-3 or SLI-4 device resume routine, which will
|
|
* resume the device.
|
|
*
|
|
* Return code
|
|
* 0 - driver suspended the device
|
|
* Error otherwise
|
|
**/
|
|
static int
|
|
lpfc_pci_resume_one(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
int rc = -ENODEV;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
rc = lpfc_pci_resume_one_s3(pdev);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
rc = lpfc_pci_resume_one_s4(pdev);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1426 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_error_detected - lpfc method for handling PCI I/O error
|
|
* @pdev: pointer to PCI device.
|
|
* @state: the current PCI connection state.
|
|
*
|
|
* This routine is registered to the PCI subsystem for error handling. This
|
|
* function is called by the PCI subsystem after a PCI bus error affecting
|
|
* this device has been detected. When this routine is invoked, it dispatches
|
|
* the action to the proper SLI-3 or SLI-4 device error detected handling
|
|
* routine, which will perform the proper error detected operation.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
**/
|
|
static pci_ers_result_t
|
|
lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
rc = lpfc_io_error_detected_s3(pdev, state);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
rc = lpfc_io_error_detected_s4(pdev, state);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1427 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
|
|
* @pdev: pointer to PCI device.
|
|
*
|
|
* This routine is registered to the PCI subsystem for error handling. This
|
|
* function is called after PCI bus has been reset to restart the PCI card
|
|
* from scratch, as if from a cold-boot. When this routine is invoked, it
|
|
* dispatches the action to the proper SLI-3 or SLI-4 device reset handling
|
|
* routine, which will perform the proper device reset.
|
|
*
|
|
* Return codes
|
|
* PCI_ERS_RESULT_RECOVERED - the device has been recovered
|
|
* PCI_ERS_RESULT_DISCONNECT - device could not be recovered
|
|
**/
|
|
static pci_ers_result_t
|
|
lpfc_io_slot_reset(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
rc = lpfc_io_slot_reset_s3(pdev);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
rc = lpfc_io_slot_reset_s4(pdev);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1428 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_io_resume - lpfc method for resuming PCI I/O operation
|
|
* @pdev: pointer to PCI device
|
|
*
|
|
* This routine is registered to the PCI subsystem for error handling. It
|
|
* is called when kernel error recovery tells the lpfc driver that it is
|
|
* OK to resume normal PCI operation after PCI bus error recovery. When
|
|
* this routine is invoked, it dispatches the action to the proper SLI-3
|
|
* or SLI-4 device io_resume routine, which will resume the device operation.
|
|
**/
|
|
static void
|
|
lpfc_io_resume(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
switch (phba->pci_dev_grp) {
|
|
case LPFC_PCI_DEV_LP:
|
|
lpfc_io_resume_s3(pdev);
|
|
break;
|
|
case LPFC_PCI_DEV_OC:
|
|
lpfc_io_resume_s4(pdev);
|
|
break;
|
|
default:
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"1429 Invalid PCI device group: 0x%x\n",
|
|
phba->pci_dev_grp);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine checks to see if OAS is supported for this adapter. If
|
|
* supported, the configure Flash Optimized Fabric flag is set. Otherwise,
|
|
* the enable oas flag is cleared and the pool created for OAS device data
|
|
* is destroyed.
|
|
*
|
|
**/
|
|
void
|
|
lpfc_sli4_oas_verify(struct lpfc_hba *phba)
|
|
{
|
|
|
|
if (!phba->cfg_EnableXLane)
|
|
return;
|
|
|
|
if (phba->sli4_hba.pc_sli4_params.oas_supported) {
|
|
phba->cfg_fof = 1;
|
|
} else {
|
|
phba->cfg_fof = 0;
|
|
if (phba->device_data_mem_pool)
|
|
mempool_destroy(phba->device_data_mem_pool);
|
|
phba->device_data_mem_pool = NULL;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_fof_queue_setup - Set up all the fof queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to set up all the fof queues for the FC HBA
|
|
* operation.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No available memory
|
|
**/
|
|
int
|
|
lpfc_fof_queue_setup(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
int rc;
|
|
|
|
rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX);
|
|
if (rc)
|
|
return -ENOMEM;
|
|
|
|
if (phba->cfg_fof) {
|
|
|
|
rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq,
|
|
phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP);
|
|
if (rc)
|
|
goto out_oas_cq;
|
|
|
|
rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq,
|
|
phba->sli4_hba.oas_cq, LPFC_FCP);
|
|
if (rc)
|
|
goto out_oas_wq;
|
|
|
|
phba->sli4_hba.oas_cq->pring = &psli->ring[LPFC_FCP_OAS_RING];
|
|
phba->sli4_hba.oas_ring = &psli->ring[LPFC_FCP_OAS_RING];
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_oas_wq:
|
|
lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq);
|
|
out_oas_cq:
|
|
lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq);
|
|
return rc;
|
|
|
|
}
|
|
|
|
/**
|
|
* lpfc_fof_queue_create - Create all the fof queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to allocate all the fof queues for the FC HBA
|
|
* operation. For each SLI4 queue type, the parameters such as queue entry
|
|
* count (queue depth) shall be taken from the module parameter. For now,
|
|
* we just use some constant number as place holder.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - No availble memory
|
|
* -EIO - The mailbox failed to complete successfully.
|
|
**/
|
|
int
|
|
lpfc_fof_queue_create(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_queue *qdesc;
|
|
|
|
/* Create FOF EQ */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
|
|
phba->sli4_hba.eq_ecount);
|
|
if (!qdesc)
|
|
goto out_error;
|
|
|
|
phba->sli4_hba.fof_eq = qdesc;
|
|
|
|
if (phba->cfg_fof) {
|
|
|
|
/* Create OAS CQ */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
|
|
phba->sli4_hba.cq_ecount);
|
|
if (!qdesc)
|
|
goto out_error;
|
|
|
|
phba->sli4_hba.oas_cq = qdesc;
|
|
|
|
/* Create OAS WQ */
|
|
qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
|
|
phba->sli4_hba.wq_ecount);
|
|
if (!qdesc)
|
|
goto out_error;
|
|
|
|
phba->sli4_hba.oas_wq = qdesc;
|
|
|
|
}
|
|
return 0;
|
|
|
|
out_error:
|
|
lpfc_fof_queue_destroy(phba);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/**
|
|
* lpfc_fof_queue_destroy - Destroy all the fof queues
|
|
* @phba: pointer to lpfc hba data structure.
|
|
*
|
|
* This routine is invoked to release all the SLI4 queues with the FC HBA
|
|
* operation.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
**/
|
|
int
|
|
lpfc_fof_queue_destroy(struct lpfc_hba *phba)
|
|
{
|
|
/* Release FOF Event queue */
|
|
if (phba->sli4_hba.fof_eq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.fof_eq);
|
|
phba->sli4_hba.fof_eq = NULL;
|
|
}
|
|
|
|
/* Release OAS Completion queue */
|
|
if (phba->sli4_hba.oas_cq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.oas_cq);
|
|
phba->sli4_hba.oas_cq = NULL;
|
|
}
|
|
|
|
/* Release OAS Work queue */
|
|
if (phba->sli4_hba.oas_wq != NULL) {
|
|
lpfc_sli4_queue_free(phba->sli4_hba.oas_wq);
|
|
phba->sli4_hba.oas_wq = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct pci_device_id lpfc_id_table[] = {
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_G6_FC,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
|
|
PCI_ANY_ID, PCI_ANY_ID, },
|
|
{ 0 }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, lpfc_id_table);
|
|
|
|
static const struct pci_error_handlers lpfc_err_handler = {
|
|
.error_detected = lpfc_io_error_detected,
|
|
.slot_reset = lpfc_io_slot_reset,
|
|
.resume = lpfc_io_resume,
|
|
};
|
|
|
|
static struct pci_driver lpfc_driver = {
|
|
.name = LPFC_DRIVER_NAME,
|
|
.id_table = lpfc_id_table,
|
|
.probe = lpfc_pci_probe_one,
|
|
.remove = lpfc_pci_remove_one,
|
|
.suspend = lpfc_pci_suspend_one,
|
|
.resume = lpfc_pci_resume_one,
|
|
.err_handler = &lpfc_err_handler,
|
|
};
|
|
|
|
static const struct file_operations lpfc_mgmt_fop = {
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct miscdevice lpfc_mgmt_dev = {
|
|
.minor = MISC_DYNAMIC_MINOR,
|
|
.name = "lpfcmgmt",
|
|
.fops = &lpfc_mgmt_fop,
|
|
};
|
|
|
|
/**
|
|
* lpfc_init - lpfc module initialization routine
|
|
*
|
|
* This routine is to be invoked when the lpfc module is loaded into the
|
|
* kernel. The special kernel macro module_init() is used to indicate the
|
|
* role of this routine to the kernel as lpfc module entry point.
|
|
*
|
|
* Return codes
|
|
* 0 - successful
|
|
* -ENOMEM - FC attach transport failed
|
|
* all others - failed
|
|
*/
|
|
static int __init
|
|
lpfc_init(void)
|
|
{
|
|
int cpu;
|
|
int error = 0;
|
|
|
|
printk(LPFC_MODULE_DESC "\n");
|
|
printk(LPFC_COPYRIGHT "\n");
|
|
|
|
error = misc_register(&lpfc_mgmt_dev);
|
|
if (error)
|
|
printk(KERN_ERR "Could not register lpfcmgmt device, "
|
|
"misc_register returned with status %d", error);
|
|
|
|
if (lpfc_enable_npiv) {
|
|
lpfc_transport_functions.vport_create = lpfc_vport_create;
|
|
lpfc_transport_functions.vport_delete = lpfc_vport_delete;
|
|
}
|
|
lpfc_transport_template =
|
|
fc_attach_transport(&lpfc_transport_functions);
|
|
if (lpfc_transport_template == NULL)
|
|
return -ENOMEM;
|
|
if (lpfc_enable_npiv) {
|
|
lpfc_vport_transport_template =
|
|
fc_attach_transport(&lpfc_vport_transport_functions);
|
|
if (lpfc_vport_transport_template == NULL) {
|
|
fc_release_transport(lpfc_transport_template);
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
/* Initialize in case vector mapping is needed */
|
|
lpfc_used_cpu = NULL;
|
|
lpfc_present_cpu = 0;
|
|
for_each_present_cpu(cpu)
|
|
lpfc_present_cpu++;
|
|
|
|
error = pci_register_driver(&lpfc_driver);
|
|
if (error) {
|
|
fc_release_transport(lpfc_transport_template);
|
|
if (lpfc_enable_npiv)
|
|
fc_release_transport(lpfc_vport_transport_template);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_exit - lpfc module removal routine
|
|
*
|
|
* This routine is invoked when the lpfc module is removed from the kernel.
|
|
* The special kernel macro module_exit() is used to indicate the role of
|
|
* this routine to the kernel as lpfc module exit point.
|
|
*/
|
|
static void __exit
|
|
lpfc_exit(void)
|
|
{
|
|
misc_deregister(&lpfc_mgmt_dev);
|
|
pci_unregister_driver(&lpfc_driver);
|
|
fc_release_transport(lpfc_transport_template);
|
|
if (lpfc_enable_npiv)
|
|
fc_release_transport(lpfc_vport_transport_template);
|
|
if (_dump_buf_data) {
|
|
printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
|
|
"_dump_buf_data at 0x%p\n",
|
|
(1L << _dump_buf_data_order), _dump_buf_data);
|
|
free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
|
|
}
|
|
|
|
if (_dump_buf_dif) {
|
|
printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
|
|
"_dump_buf_dif at 0x%p\n",
|
|
(1L << _dump_buf_dif_order), _dump_buf_dif);
|
|
free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
|
|
}
|
|
kfree(lpfc_used_cpu);
|
|
idr_destroy(&lpfc_hba_index);
|
|
}
|
|
|
|
module_init(lpfc_init);
|
|
module_exit(lpfc_exit);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION(LPFC_MODULE_DESC);
|
|
MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
|
|
MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
|