1744 lines
49 KiB
C
1744 lines
49 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) 2004-2005 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/kthread.h>
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#include <linux/pci.h>
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#include <linux/spinlock.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_hw.h"
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#include "lpfc_sli.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_version.h"
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static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *);
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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 struct scsi_transport_template *lpfc_transport_template = NULL;
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static DEFINE_IDR(lpfc_hba_index);
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/************************************************************************/
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/* */
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/* lpfc_config_port_prep */
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/* This routine will do LPFC initialization prior to the */
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/* CONFIG_PORT mailbox command. This will be initialized */
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/* as a SLI layer callback routine. */
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/* This routine returns 0 on success or -ERESTART if it wants */
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/* the SLI layer to reset the HBA and try again. Any */
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/* other return value indicates an error. */
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/* */
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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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pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
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if (!pmb) {
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phba->hba_state = LPFC_HBA_ERROR;
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return -ENOMEM;
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}
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mb = &pmb->mb;
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phba->hba_state = LPFC_INIT_MBX_CMDS;
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if (lpfc_is_LC_HBA(phba->pcidev->device)) {
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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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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,
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KERN_ERR,
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LOG_MBOX,
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"%d: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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phba->brd_no,
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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 (mb->un.varRDnvp.nodename));
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}
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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,
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KERN_ERR,
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LOG_INIT,
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"%d:0439 Adapter failed to init, mbxCmd x%x "
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"READ_REV, mbxStatus x%x\n",
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phba->brd_no,
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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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/* The HBA's current state is provided by the ProgType and rr fields.
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* Read and check the value of these fields before continuing to config
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* this port.
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*/
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if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
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/* Old firmware */
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vp->rev.rBit = 0;
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lpfc_printf_log(phba,
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KERN_ERR,
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LOG_INIT,
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"%d:0440 Adapter failed to init, mbxCmd x%x "
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"READ_REV detected outdated firmware"
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"Data: x%x\n",
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phba->brd_no,
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mb->mbxCommand, 0);
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mempool_free(pmb, phba->mbox_mem_pool);
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return -ERESTART;
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} else {
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vp->rev.rBit = 1;
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vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
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memcpy(vp->rev.sli1FwName,
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(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,
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(char *)mb->un.varRdRev.sli2FwName, 16);
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}
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/* Save information as VPD data */
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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 (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 the default values for Model Name and Description */
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lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
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/* Get adapter VPD information */
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pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
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if (!pmb->context2)
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goto out_free_mbox;
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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_context2;
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do {
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lpfc_dump_mem(phba, pmb, offset);
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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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"%d:0441 VPD not present on adapter, "
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"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
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phba->brd_no,
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mb->mbxCommand, mb->mbxStatus);
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kfree(lpfc_vpd_data);
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lpfc_vpd_data = NULL;
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break;
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}
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lpfc_sli_pcimem_bcopy(pmb->context2, 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);
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lpfc_parse_vpd(phba, lpfc_vpd_data);
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kfree(lpfc_vpd_data);
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out_free_context2:
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kfree(pmb->context2);
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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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/* */
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/* lpfc_config_port_post */
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/* This routine will do LPFC initialization after the */
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/* CONFIG_PORT mailbox command. This will be initialized */
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/* as a SLI layer callback routine. */
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/* This routine returns 0 on success. Any other return value */
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/* indicates an error. */
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/* */
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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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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, rc;
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pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
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if (!pmb) {
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phba->hba_state = LPFC_HBA_ERROR;
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return -ENOMEM;
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}
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mb = &pmb->mb;
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lpfc_config_link(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,
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KERN_ERR,
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LOG_INIT,
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"%d:0447 Adapter failed init, mbxCmd x%x "
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"CONFIG_LINK mbxStatus x%x\n",
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phba->brd_no,
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mb->mbxCommand, mb->mbxStatus);
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phba->hba_state = LPFC_HBA_ERROR;
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mempool_free( pmb, phba->mbox_mem_pool);
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return -EIO;
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}
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/* Get login parameters for NID. */
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lpfc_read_sparam(phba, pmb);
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if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
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lpfc_printf_log(phba,
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KERN_ERR,
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LOG_INIT,
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"%d:0448 Adapter failed init, mbxCmd x%x "
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"READ_SPARM mbxStatus x%x\n",
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phba->brd_no,
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mb->mbxCommand, mb->mbxStatus);
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phba->hba_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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}
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mp = (struct lpfc_dmabuf *) pmb->context1;
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memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
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lpfc_mbuf_free(phba, mp->virt, mp->phys);
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kfree(mp);
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pmb->context1 = NULL;
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memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
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sizeof (struct lpfc_name));
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memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
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sizeof (struct lpfc_name));
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/* If no serial number in VPD data, use low 6 bytes of WWNN */
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/* This should be consolidated into parse_vpd ? - mr */
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if (phba->SerialNumber[0] == 0) {
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uint8_t *outptr;
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outptr = (uint8_t *) & phba->fc_nodename.IEEE[0];
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for (i = 0; i < 12; i++) {
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status = *outptr++;
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j = ((status & 0xf0) >> 4);
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if (j <= 9)
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phba->SerialNumber[i] =
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(char)((uint8_t) 0x30 + (uint8_t) j);
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else
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phba->SerialNumber[i] =
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(char)((uint8_t) 0x61 + (uint8_t) (j - 10));
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i++;
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j = (status & 0xf);
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if (j <= 9)
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phba->SerialNumber[i] =
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(char)((uint8_t) 0x30 + (uint8_t) j);
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else
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phba->SerialNumber[i] =
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(char)((uint8_t) 0x61 + (uint8_t) (j - 10));
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}
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}
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/* This should turn on DELAYED ABTS for ELS timeouts */
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lpfc_set_slim(phba, pmb, 0x052198, 0x1);
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if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
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phba->hba_state = LPFC_HBA_ERROR;
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mempool_free( pmb, phba->mbox_mem_pool);
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return -EIO;
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}
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lpfc_read_config(phba, pmb);
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if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
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lpfc_printf_log(phba,
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KERN_ERR,
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LOG_INIT,
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"%d:0453 Adapter failed to init, mbxCmd x%x "
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"READ_CONFIG, mbxStatus x%x\n",
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phba->brd_no,
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mb->mbxCommand, mb->mbxStatus);
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phba->hba_state = LPFC_HBA_ERROR;
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mempool_free( pmb, phba->mbox_mem_pool);
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return -EIO;
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}
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/* Reset the DFT_HBA_Q_DEPTH to the max xri */
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if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
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phba->cfg_hba_queue_depth =
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mb->un.varRdConfig.max_xri + 1;
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phba->lmt = mb->un.varRdConfig.lmt;
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/* HBA is not 4GB capable, or HBA is not 2GB capable,
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don't let link speed ask for it */
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if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
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(phba->cfg_link_speed > LINK_SPEED_2G)) ||
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(((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
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(phba->cfg_link_speed > LINK_SPEED_1G))) {
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/* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
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lpfc_printf_log(phba,
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KERN_WARNING,
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LOG_LINK_EVENT,
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"%d:1302 Invalid speed for this board: "
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"Reset link speed to auto: x%x\n",
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phba->brd_no,
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phba->cfg_link_speed);
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phba->cfg_link_speed = LINK_SPEED_AUTO;
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}
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phba->hba_state = LPFC_LINK_DOWN;
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/* Only process IOCBs on ring 0 till hba_state is READY */
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if (psli->ring[psli->ip_ring].cmdringaddr)
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psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
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if (psli->ring[psli->fcp_ring].cmdringaddr)
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psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
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if (psli->ring[psli->next_ring].cmdringaddr)
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psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
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|
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/* Post receive buffers for desired rings */
|
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lpfc_post_rcv_buf(phba);
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|
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/* Enable appropriate host interrupts */
|
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spin_lock_irq(phba->host->host_lock);
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status = readl(phba->HCregaddr);
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status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
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if (psli->num_rings > 0)
|
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status |= HC_R0INT_ENA;
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if (psli->num_rings > 1)
|
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status |= HC_R1INT_ENA;
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if (psli->num_rings > 2)
|
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status |= HC_R2INT_ENA;
|
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if (psli->num_rings > 3)
|
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status |= HC_R3INT_ENA;
|
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|
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writel(status, phba->HCregaddr);
|
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readl(phba->HCregaddr); /* flush */
|
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spin_unlock_irq(phba->host->host_lock);
|
|
|
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/*
|
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* Setup the ring 0 (els) timeout handler
|
|
*/
|
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timeout = phba->fc_ratov << 1;
|
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phba->els_tmofunc.expires = jiffies + HZ * timeout;
|
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add_timer(&phba->els_tmofunc);
|
|
|
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lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
|
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pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
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if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
|
|
lpfc_printf_log(phba,
|
|
KERN_ERR,
|
|
LOG_INIT,
|
|
"%d:0454 Adapter failed to init, mbxCmd x%x "
|
|
"INIT_LINK, mbxStatus x%x\n",
|
|
phba->brd_no,
|
|
mb->mbxCommand, mb->mbxStatus);
|
|
|
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/* 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 */
|
|
|
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phba->hba_state = LPFC_HBA_ERROR;
|
|
mempool_free(pmb, phba->mbox_mem_pool);
|
|
return -EIO;
|
|
}
|
|
/* MBOX buffer will be freed in mbox compl */
|
|
|
|
i = 0;
|
|
while ((phba->hba_state != LPFC_HBA_READY) ||
|
|
(phba->num_disc_nodes) || (phba->fc_prli_sent) ||
|
|
((phba->fc_map_cnt == 0) && (i<2)) ||
|
|
(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
|
|
/* Check every second for 30 retries. */
|
|
i++;
|
|
if (i > 30) {
|
|
break;
|
|
}
|
|
if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
|
|
/* The link is down. Set linkdown timeout */
|
|
break;
|
|
}
|
|
|
|
/* Delay for 1 second to give discovery time to complete. */
|
|
msleep(1000);
|
|
|
|
}
|
|
|
|
/* Since num_disc_nodes keys off of PLOGI, delay a bit to let
|
|
* any potential PRLIs to flush thru the SLI sub-system.
|
|
*/
|
|
msleep(50);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_hba_down_prep */
|
|
/* This routine will do LPFC uninitialization before the */
|
|
/* HBA is reset when bringing down the SLI Layer. This will be */
|
|
/* initialized as a SLI layer callback routine. */
|
|
/* This routine returns 0 on success. Any other return value */
|
|
/* indicates an error. */
|
|
/* */
|
|
/************************************************************************/
|
|
int
|
|
lpfc_hba_down_prep(struct lpfc_hba * phba)
|
|
{
|
|
/* Disable interrupts */
|
|
writel(0, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
|
|
/* Cleanup potential discovery resources */
|
|
lpfc_els_flush_rscn(phba);
|
|
lpfc_els_flush_cmd(phba);
|
|
lpfc_disc_flush_list(phba);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_handle_eratt */
|
|
/* This routine will handle processing a Host Attention */
|
|
/* Error Status event. This will be initialized */
|
|
/* as a SLI layer callback routine. */
|
|
/* */
|
|
/************************************************************************/
|
|
void
|
|
lpfc_handle_eratt(struct lpfc_hba * phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_sli_ring *pring;
|
|
|
|
/*
|
|
* If a reset is sent to the HBA restore PCI configuration registers.
|
|
*/
|
|
if ( phba->hba_state == LPFC_INIT_START ) {
|
|
mdelay(1);
|
|
readl(phba->HCregaddr); /* flush */
|
|
writel(0, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
|
|
/* Restore PCI cmd register */
|
|
pci_write_config_word(phba->pcidev,
|
|
PCI_COMMAND, phba->pci_cfg_value);
|
|
}
|
|
|
|
if (phba->work_hs & HS_FFER6) {
|
|
/* Re-establishing Link */
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
|
|
"%d:1301 Re-establishing Link "
|
|
"Data: x%x x%x x%x\n",
|
|
phba->brd_no, phba->work_hs,
|
|
phba->work_status[0], phba->work_status[1]);
|
|
spin_lock_irq(phba->host->host_lock);
|
|
phba->fc_flag |= FC_ESTABLISH_LINK;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
pring = &psli->ring[psli->fcp_ring];
|
|
lpfc_sli_abort_iocb_ring(phba, pring);
|
|
|
|
|
|
/*
|
|
* There was a firmware error. Take the hba offline and then
|
|
* attempt to restart it.
|
|
*/
|
|
lpfc_offline(phba);
|
|
if (lpfc_online(phba) == 0) { /* Initialize the HBA */
|
|
mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
|
|
return;
|
|
}
|
|
} 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,
|
|
"%d:0457 Adapter Hardware Error "
|
|
"Data: x%x x%x x%x\n",
|
|
phba->brd_no, phba->work_hs,
|
|
phba->work_status[0], phba->work_status[1]);
|
|
|
|
lpfc_offline(phba);
|
|
|
|
/*
|
|
* Restart all traffic to this host. Since the fc_transport
|
|
* block functions (future) were not called in lpfc_offline,
|
|
* don't call them here.
|
|
*/
|
|
scsi_unblock_requests(phba->host);
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_handle_latt */
|
|
/* This routine will handle processing a Host Attention */
|
|
/* Link Status event. This will be initialized */
|
|
/* as a SLI layer callback routine. */
|
|
/* */
|
|
/************************************************************************/
|
|
void
|
|
lpfc_handle_latt(struct lpfc_hba * phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
LPFC_MBOXQ_t *pmb;
|
|
volatile uint32_t control;
|
|
struct lpfc_dmabuf *mp;
|
|
int rc = -ENOMEM;
|
|
|
|
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmb)
|
|
goto lpfc_handle_latt_err_exit;
|
|
|
|
mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
|
|
if (!mp)
|
|
goto lpfc_handle_latt_free_pmb;
|
|
|
|
mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
|
|
if (!mp->virt)
|
|
goto lpfc_handle_latt_free_mp;
|
|
|
|
rc = -EIO;
|
|
|
|
|
|
psli->slistat.link_event++;
|
|
lpfc_read_la(phba, pmb, mp);
|
|
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
|
|
rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
|
|
if (rc == MBX_NOT_FINISHED)
|
|
goto lpfc_handle_latt_free_mp;
|
|
|
|
/* Clear Link Attention in HA REG */
|
|
spin_lock_irq(phba->host->host_lock);
|
|
writel(HA_LATT, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
|
|
return;
|
|
|
|
lpfc_handle_latt_free_mp:
|
|
kfree(mp);
|
|
lpfc_handle_latt_free_pmb:
|
|
kfree(pmb);
|
|
lpfc_handle_latt_err_exit:
|
|
/* Enable Link attention interrupts */
|
|
spin_lock_irq(phba->host->host_lock);
|
|
psli->sli_flag |= LPFC_PROCESS_LA;
|
|
control = readl(phba->HCregaddr);
|
|
control |= HC_LAINT_ENA;
|
|
writel(control, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
|
|
/* Clear Link Attention in HA REG */
|
|
writel(HA_LATT, phba->HAregaddr);
|
|
readl(phba->HAregaddr); /* flush */
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
lpfc_linkdown(phba);
|
|
phba->hba_state = LPFC_HBA_ERROR;
|
|
|
|
/* The other case is an error from issue_mbox */
|
|
if (rc == -ENOMEM)
|
|
lpfc_printf_log(phba,
|
|
KERN_WARNING,
|
|
LOG_MBOX,
|
|
"%d:0300 READ_LA: no buffers\n",
|
|
phba->brd_no);
|
|
|
|
return;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_parse_vpd */
|
|
/* This routine will parse the VPD data */
|
|
/* */
|
|
/************************************************************************/
|
|
static int
|
|
lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
|
|
{
|
|
uint8_t lenlo, lenhi;
|
|
uint32_t Length;
|
|
int i, j;
|
|
int finished = 0;
|
|
int index = 0;
|
|
|
|
if (!vpd)
|
|
return 0;
|
|
|
|
/* Vital Product */
|
|
lpfc_printf_log(phba,
|
|
KERN_INFO,
|
|
LOG_INIT,
|
|
"%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
|
|
phba->brd_no,
|
|
(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
|
|
(uint32_t) vpd[3]);
|
|
do {
|
|
switch (vpd[index]) {
|
|
case 0x82:
|
|
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);
|
|
|
|
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--) {
|
|
phba->Port[j++] = vpd[index++];
|
|
if (j == 19)
|
|
break;
|
|
}
|
|
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;
|
|
}
|
|
} while (!finished && (index < 108));
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
|
|
{
|
|
lpfc_vpd_t *vp;
|
|
uint32_t id;
|
|
char str[16];
|
|
|
|
vp = &phba->vpd;
|
|
pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
|
|
|
|
switch ((id >> 16) & 0xffff) {
|
|
case PCI_DEVICE_ID_FIREFLY:
|
|
strcpy(str, "LP6000 1");
|
|
break;
|
|
case PCI_DEVICE_ID_SUPERFLY:
|
|
if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
|
|
strcpy(str, "LP7000 1");
|
|
else
|
|
strcpy(str, "LP7000E 1");
|
|
break;
|
|
case PCI_DEVICE_ID_DRAGONFLY:
|
|
strcpy(str, "LP8000 1");
|
|
break;
|
|
case PCI_DEVICE_ID_CENTAUR:
|
|
if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
|
|
strcpy(str, "LP9002 2");
|
|
else
|
|
strcpy(str, "LP9000 1");
|
|
break;
|
|
case PCI_DEVICE_ID_RFLY:
|
|
strcpy(str, "LP952 2");
|
|
break;
|
|
case PCI_DEVICE_ID_PEGASUS:
|
|
strcpy(str, "LP9802 2");
|
|
break;
|
|
case PCI_DEVICE_ID_THOR:
|
|
strcpy(str, "LP10000 2");
|
|
break;
|
|
case PCI_DEVICE_ID_VIPER:
|
|
strcpy(str, "LPX1000 10");
|
|
break;
|
|
case PCI_DEVICE_ID_PFLY:
|
|
strcpy(str, "LP982 2");
|
|
break;
|
|
case PCI_DEVICE_ID_TFLY:
|
|
strcpy(str, "LP1050 2");
|
|
break;
|
|
case PCI_DEVICE_ID_HELIOS:
|
|
strcpy(str, "LP11000 4");
|
|
break;
|
|
case PCI_DEVICE_ID_BMID:
|
|
strcpy(str, "LP1150 4");
|
|
break;
|
|
case PCI_DEVICE_ID_BSMB:
|
|
strcpy(str, "LP111 4");
|
|
break;
|
|
case PCI_DEVICE_ID_ZEPHYR:
|
|
strcpy(str, "LP11000e 4");
|
|
break;
|
|
case PCI_DEVICE_ID_ZMID:
|
|
strcpy(str, "LP1150e 4");
|
|
break;
|
|
case PCI_DEVICE_ID_ZSMB:
|
|
strcpy(str, "LP111e 4");
|
|
break;
|
|
case PCI_DEVICE_ID_LP101:
|
|
strcpy(str, "LP101 2");
|
|
break;
|
|
case PCI_DEVICE_ID_LP10000S:
|
|
strcpy(str, "LP10000-S 2");
|
|
break;
|
|
default:
|
|
memset(str, 0, 16);
|
|
break;
|
|
}
|
|
if (mdp)
|
|
sscanf(str, "%s", mdp);
|
|
if (descp)
|
|
sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
|
|
"Channel Adapter", str);
|
|
}
|
|
|
|
/**************************************************/
|
|
/* lpfc_post_buffer */
|
|
/* */
|
|
/* This routine will post count buffers to the */
|
|
/* ring with the QUE_RING_BUF_CN command. This */
|
|
/* allows 3 buffers / command to be posted. */
|
|
/* Returns the number of buffers NOT posted. */
|
|
/**************************************************/
|
|
int
|
|
lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
|
|
int type)
|
|
{
|
|
IOCB_t *icmd;
|
|
struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
|
|
struct lpfc_iocbq *iocb = NULL;
|
|
struct lpfc_dmabuf *mp1, *mp2;
|
|
|
|
cnt += pring->missbufcnt;
|
|
|
|
/* While there are buffers to post */
|
|
while (cnt > 0) {
|
|
/* Allocate buffer for command iocb */
|
|
spin_lock_irq(phba->host->host_lock);
|
|
list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
if (iocb == NULL) {
|
|
pring->missbufcnt = cnt;
|
|
return cnt;
|
|
}
|
|
memset(iocb, 0, sizeof (struct lpfc_iocbq));
|
|
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 == 0 || mp1->virt == 0) {
|
|
if (mp1)
|
|
kfree(mp1);
|
|
spin_lock_irq(phba->host->host_lock);
|
|
list_add_tail(&iocb->list, lpfc_iocb_list);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
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 == 0 || mp2->virt == 0) {
|
|
if (mp2)
|
|
kfree(mp2);
|
|
lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
|
|
kfree(mp1);
|
|
spin_lock_irq(phba->host->host_lock);
|
|
list_add_tail(&iocb->list, lpfc_iocb_list);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
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;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
if (lpfc_sli_issue_iocb(phba, pring, 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++;
|
|
}
|
|
list_add_tail(&iocb->list, lpfc_iocb_list);
|
|
pring->missbufcnt = cnt;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return cnt;
|
|
}
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
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 */
|
|
/* This routine post initial rcv buffers to the configured rings */
|
|
/* */
|
|
/************************************************************************/
|
|
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, 1);
|
|
/* Ring 2 - FCP no buffers needed */
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_sha_init */
|
|
/* */
|
|
/************************************************************************/
|
|
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 */
|
|
/* */
|
|
/************************************************************************/
|
|
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 */
|
|
/* */
|
|
/************************************************************************/
|
|
static void
|
|
lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
|
|
{
|
|
*HashWorking = (*RandomChallenge ^ *HashWorking);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* */
|
|
/* lpfc_hba_init */
|
|
/* */
|
|
/************************************************************************/
|
|
void
|
|
lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
|
|
{
|
|
int t;
|
|
uint32_t *HashWorking;
|
|
uint32_t *pwwnn = phba->wwnn;
|
|
|
|
HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
|
|
if (!HashWorking)
|
|
return;
|
|
|
|
memset(HashWorking, 0, (80 * sizeof(uint32_t)));
|
|
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);
|
|
}
|
|
|
|
static void
|
|
lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
|
|
{
|
|
struct lpfc_nodelist *ndlp, *next_ndlp;
|
|
|
|
/* clean up phba - lpfc specific */
|
|
lpfc_can_disctmo(phba);
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
|
|
nlp_listp) {
|
|
lpfc_nlp_remove(phba, ndlp);
|
|
}
|
|
|
|
INIT_LIST_HEAD(&phba->fc_nlpmap_list);
|
|
INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
|
|
INIT_LIST_HEAD(&phba->fc_unused_list);
|
|
INIT_LIST_HEAD(&phba->fc_plogi_list);
|
|
INIT_LIST_HEAD(&phba->fc_adisc_list);
|
|
INIT_LIST_HEAD(&phba->fc_reglogin_list);
|
|
INIT_LIST_HEAD(&phba->fc_prli_list);
|
|
INIT_LIST_HEAD(&phba->fc_npr_list);
|
|
|
|
phba->fc_map_cnt = 0;
|
|
phba->fc_unmap_cnt = 0;
|
|
phba->fc_plogi_cnt = 0;
|
|
phba->fc_adisc_cnt = 0;
|
|
phba->fc_reglogin_cnt = 0;
|
|
phba->fc_prli_cnt = 0;
|
|
phba->fc_npr_cnt = 0;
|
|
phba->fc_unused_cnt= 0;
|
|
return;
|
|
}
|
|
|
|
static void
|
|
lpfc_establish_link_tmo(unsigned long ptr)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
|
|
unsigned long iflag;
|
|
|
|
|
|
/* Re-establishing Link, timer expired */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
|
|
"%d:1300 Re-establishing Link, timer expired "
|
|
"Data: x%x x%x\n",
|
|
phba->brd_no, phba->fc_flag, phba->hba_state);
|
|
spin_lock_irqsave(phba->host->host_lock, iflag);
|
|
phba->fc_flag &= ~FC_ESTABLISH_LINK;
|
|
spin_unlock_irqrestore(phba->host->host_lock, iflag);
|
|
}
|
|
|
|
static int
|
|
lpfc_stop_timer(struct lpfc_hba * phba)
|
|
{
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
|
|
/* Instead of a timer, this has been converted to a
|
|
* deferred procedding list.
|
|
*/
|
|
while (!list_empty(&phba->freebufList)) {
|
|
|
|
struct lpfc_dmabuf *mp = NULL;
|
|
|
|
list_remove_head((&phba->freebufList), mp,
|
|
struct lpfc_dmabuf, list);
|
|
if (mp) {
|
|
lpfc_mbuf_free(phba, mp->virt, mp->phys);
|
|
kfree(mp);
|
|
}
|
|
}
|
|
|
|
del_timer_sync(&phba->fc_estabtmo);
|
|
del_timer_sync(&phba->fc_disctmo);
|
|
del_timer_sync(&phba->fc_fdmitmo);
|
|
del_timer_sync(&phba->els_tmofunc);
|
|
psli = &phba->sli;
|
|
del_timer_sync(&psli->mbox_tmo);
|
|
return(1);
|
|
}
|
|
|
|
int
|
|
lpfc_online(struct lpfc_hba * phba)
|
|
{
|
|
if (!phba)
|
|
return 0;
|
|
|
|
if (!(phba->fc_flag & FC_OFFLINE_MODE))
|
|
return 0;
|
|
|
|
lpfc_printf_log(phba,
|
|
KERN_WARNING,
|
|
LOG_INIT,
|
|
"%d:0458 Bring Adapter online\n",
|
|
phba->brd_no);
|
|
|
|
if (!lpfc_sli_queue_setup(phba))
|
|
return 1;
|
|
|
|
if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */
|
|
return 1;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
phba->fc_flag &= ~FC_OFFLINE_MODE;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
|
|
/*
|
|
* Restart all traffic to this host. Since the fc_transport block
|
|
* functions (future) were not called in lpfc_offline, don't call them
|
|
* here.
|
|
*/
|
|
scsi_unblock_requests(phba->host);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lpfc_offline(struct lpfc_hba * phba)
|
|
{
|
|
struct lpfc_sli_ring *pring;
|
|
struct lpfc_sli *psli;
|
|
unsigned long iflag;
|
|
int i = 0;
|
|
|
|
if (!phba)
|
|
return 0;
|
|
|
|
if (phba->fc_flag & FC_OFFLINE_MODE)
|
|
return 0;
|
|
|
|
/*
|
|
* Don't call the fc_transport block api (future). The device is
|
|
* going offline and causing a timer to fire in the midlayer is
|
|
* unproductive. Just block all new requests until the driver
|
|
* comes back online.
|
|
*/
|
|
scsi_block_requests(phba->host);
|
|
psli = &phba->sli;
|
|
pring = &psli->ring[psli->fcp_ring];
|
|
|
|
lpfc_linkdown(phba);
|
|
|
|
/* The linkdown event takes 30 seconds to timeout. */
|
|
while (pring->txcmplq_cnt) {
|
|
mdelay(10);
|
|
if (i++ > 3000)
|
|
break;
|
|
}
|
|
|
|
/* stop all timers associated with this hba */
|
|
lpfc_stop_timer(phba);
|
|
phba->work_hba_events = 0;
|
|
|
|
lpfc_printf_log(phba,
|
|
KERN_WARNING,
|
|
LOG_INIT,
|
|
"%d:0460 Bring Adapter offline\n",
|
|
phba->brd_no);
|
|
|
|
/* Bring down the SLI Layer and cleanup. The HBA is offline
|
|
now. */
|
|
lpfc_sli_hba_down(phba);
|
|
lpfc_cleanup(phba, 1);
|
|
spin_lock_irqsave(phba->host->host_lock, iflag);
|
|
phba->fc_flag |= FC_OFFLINE_MODE;
|
|
spin_unlock_irqrestore(phba->host->host_lock, iflag);
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Function name: lpfc_scsi_free
|
|
*
|
|
* Description: Called from lpfc_pci_remove_one free internal driver resources
|
|
*
|
|
******************************************************************************/
|
|
static int
|
|
lpfc_scsi_free(struct lpfc_hba * phba)
|
|
{
|
|
struct lpfc_scsi_buf *sb, *sb_next;
|
|
struct lpfc_iocbq *io, *io_next;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
/* Release all the lpfc_scsi_bufs maintained by this host. */
|
|
list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, 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--;
|
|
}
|
|
|
|
/* 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->host->host_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int __devinit
|
|
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
|
|
{
|
|
struct Scsi_Host *host;
|
|
struct lpfc_hba *phba;
|
|
struct lpfc_sli *psli;
|
|
struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
|
|
unsigned long bar0map_len, bar2map_len;
|
|
int error = -ENODEV, retval;
|
|
int i;
|
|
u64 wwname;
|
|
|
|
if (pci_enable_device(pdev))
|
|
goto out;
|
|
if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
|
|
goto out_disable_device;
|
|
|
|
host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
|
|
if (!host)
|
|
goto out_release_regions;
|
|
|
|
phba = (struct lpfc_hba*)host->hostdata;
|
|
memset(phba, 0, sizeof (struct lpfc_hba));
|
|
phba->host = host;
|
|
|
|
phba->fc_flag |= FC_LOADING;
|
|
phba->pcidev = pdev;
|
|
|
|
/* Assign an unused board number */
|
|
if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
|
|
goto out_put_host;
|
|
|
|
error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
|
|
if (error)
|
|
goto out_put_host;
|
|
|
|
host->unique_id = phba->brd_no;
|
|
|
|
INIT_LIST_HEAD(&phba->ctrspbuflist);
|
|
INIT_LIST_HEAD(&phba->rnidrspbuflist);
|
|
INIT_LIST_HEAD(&phba->freebufList);
|
|
|
|
/* Initialize timers used by driver */
|
|
init_timer(&phba->fc_estabtmo);
|
|
phba->fc_estabtmo.function = lpfc_establish_link_tmo;
|
|
phba->fc_estabtmo.data = (unsigned long)phba;
|
|
init_timer(&phba->fc_disctmo);
|
|
phba->fc_disctmo.function = lpfc_disc_timeout;
|
|
phba->fc_disctmo.data = (unsigned long)phba;
|
|
|
|
init_timer(&phba->fc_fdmitmo);
|
|
phba->fc_fdmitmo.function = lpfc_fdmi_tmo;
|
|
phba->fc_fdmitmo.data = (unsigned long)phba;
|
|
init_timer(&phba->els_tmofunc);
|
|
phba->els_tmofunc.function = lpfc_els_timeout;
|
|
phba->els_tmofunc.data = (unsigned long)phba;
|
|
psli = &phba->sli;
|
|
init_timer(&psli->mbox_tmo);
|
|
psli->mbox_tmo.function = lpfc_mbox_timeout;
|
|
psli->mbox_tmo.data = (unsigned long)phba;
|
|
|
|
/*
|
|
* Get all the module params for configuring this host and then
|
|
* establish the host parameters.
|
|
*/
|
|
lpfc_get_cfgparam(phba);
|
|
|
|
host->max_id = LPFC_MAX_TARGET;
|
|
host->max_lun = phba->cfg_max_luns;
|
|
host->this_id = -1;
|
|
|
|
/* Initialize all internally managed lists. */
|
|
INIT_LIST_HEAD(&phba->fc_nlpmap_list);
|
|
INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
|
|
INIT_LIST_HEAD(&phba->fc_unused_list);
|
|
INIT_LIST_HEAD(&phba->fc_plogi_list);
|
|
INIT_LIST_HEAD(&phba->fc_adisc_list);
|
|
INIT_LIST_HEAD(&phba->fc_reglogin_list);
|
|
INIT_LIST_HEAD(&phba->fc_prli_list);
|
|
INIT_LIST_HEAD(&phba->fc_npr_list);
|
|
|
|
|
|
pci_set_master(pdev);
|
|
retval = pci_set_mwi(pdev);
|
|
if (retval)
|
|
dev_printk(KERN_WARNING, &pdev->dev,
|
|
"Warning: pci_set_mwi returned %d\n", retval);
|
|
|
|
if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
|
|
if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
|
|
goto out_idr_remove;
|
|
|
|
/*
|
|
* Get the bus address of Bar0 and Bar2 and the number of bytes
|
|
* required by each mapping.
|
|
*/
|
|
phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
|
|
bar0map_len = pci_resource_len(phba->pcidev, 0);
|
|
|
|
phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
|
|
bar2map_len = pci_resource_len(phba->pcidev, 2);
|
|
|
|
/* Map HBA SLIM and Control Registers to a kernel virtual address. */
|
|
phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
|
|
phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
|
|
|
|
/* Allocate memory for SLI-2 structures */
|
|
phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
|
|
&phba->slim2p_mapping, GFP_KERNEL);
|
|
if (!phba->slim2p)
|
|
goto out_iounmap;
|
|
|
|
|
|
/* Initialize the SLI Layer to run with lpfc HBAs. */
|
|
lpfc_sli_setup(phba);
|
|
lpfc_sli_queue_setup(phba);
|
|
|
|
error = lpfc_mem_alloc(phba);
|
|
if (error)
|
|
goto out_free_slim;
|
|
|
|
/* Initialize and populate the iocb list per host. */
|
|
INIT_LIST_HEAD(&phba->lpfc_iocb_list);
|
|
for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
|
|
iocbq_entry = kmalloc(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",
|
|
__FUNCTION__, i, LPFC_IOCB_LIST_CNT);
|
|
error = -ENOMEM;
|
|
goto out_free_iocbq;
|
|
}
|
|
|
|
memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
|
|
spin_lock_irq(phba->host->host_lock);
|
|
list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
|
|
phba->total_iocbq_bufs++;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
}
|
|
|
|
/* Initialize HBA 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;
|
|
|
|
INIT_LIST_HEAD(&phba->work_list);
|
|
phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
|
|
phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
|
|
|
|
/* 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);
|
|
goto out_free_iocbq;
|
|
}
|
|
|
|
/* We can rely on a queue depth attribute only after SLI HBA setup */
|
|
host->can_queue = phba->cfg_hba_queue_depth - 10;
|
|
|
|
/* Tell the midlayer we support 16 byte commands */
|
|
host->max_cmd_len = 16;
|
|
|
|
/* Initialize the list of scsi buffers used by driver for scsi IO. */
|
|
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
|
|
|
|
host->transportt = lpfc_transport_template;
|
|
host->hostdata[0] = (unsigned long)phba;
|
|
pci_set_drvdata(pdev, host);
|
|
error = scsi_add_host(host, &pdev->dev);
|
|
if (error)
|
|
goto out_kthread_stop;
|
|
|
|
error = lpfc_alloc_sysfs_attr(phba);
|
|
if (error)
|
|
goto out_kthread_stop;
|
|
|
|
error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
|
|
LPFC_DRIVER_NAME, phba);
|
|
if (error) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"%d:0451 Enable interrupt handler failed\n",
|
|
phba->brd_no);
|
|
goto out_free_sysfs_attr;
|
|
}
|
|
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;
|
|
|
|
error = lpfc_sli_hba_setup(phba);
|
|
if (error)
|
|
goto out_free_irq;
|
|
|
|
/*
|
|
* set fixed host attributes
|
|
* Must done after lpfc_sli_hba_setup()
|
|
*/
|
|
|
|
memcpy(&wwname, &phba->fc_nodename, sizeof(u64));
|
|
fc_host_node_name(host) = be64_to_cpu(wwname);
|
|
memcpy(&wwname, &phba->fc_portname, sizeof(u64));
|
|
fc_host_port_name(host) = be64_to_cpu(wwname);
|
|
fc_host_supported_classes(host) = FC_COS_CLASS3;
|
|
|
|
memset(fc_host_supported_fc4s(host), 0,
|
|
sizeof(fc_host_supported_fc4s(host)));
|
|
fc_host_supported_fc4s(host)[2] = 1;
|
|
fc_host_supported_fc4s(host)[7] = 1;
|
|
|
|
lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host));
|
|
|
|
fc_host_supported_speeds(host) = 0;
|
|
switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) {
|
|
case VIPER_JEDEC_ID:
|
|
fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT;
|
|
break;
|
|
case HELIOS_JEDEC_ID:
|
|
fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT;
|
|
/* Fall through */
|
|
case CENTAUR_2G_JEDEC_ID:
|
|
case PEGASUS_JEDEC_ID:
|
|
case THOR_JEDEC_ID:
|
|
fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT;
|
|
/* Fall through */
|
|
default:
|
|
fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT;
|
|
}
|
|
|
|
fc_host_maxframe_size(host) =
|
|
((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
|
|
(uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb);
|
|
|
|
/* This value is also unchanging */
|
|
memset(fc_host_active_fc4s(host), 0,
|
|
sizeof(fc_host_active_fc4s(host)));
|
|
fc_host_active_fc4s(host)[2] = 1;
|
|
fc_host_active_fc4s(host)[7] = 1;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
phba->fc_flag &= ~FC_LOADING;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return 0;
|
|
|
|
out_free_irq:
|
|
lpfc_stop_timer(phba);
|
|
phba->work_hba_events = 0;
|
|
free_irq(phba->pcidev->irq, phba);
|
|
out_free_sysfs_attr:
|
|
lpfc_free_sysfs_attr(phba);
|
|
out_kthread_stop:
|
|
kthread_stop(phba->worker_thread);
|
|
out_free_iocbq:
|
|
list_for_each_entry_safe(iocbq_entry, iocbq_next,
|
|
&phba->lpfc_iocb_list, list) {
|
|
spin_lock_irq(phba->host->host_lock);
|
|
kfree(iocbq_entry);
|
|
phba->total_iocbq_bufs--;
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
}
|
|
lpfc_mem_free(phba);
|
|
out_free_slim:
|
|
dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
|
|
phba->slim2p_mapping);
|
|
out_iounmap:
|
|
iounmap(phba->ctrl_regs_memmap_p);
|
|
iounmap(phba->slim_memmap_p);
|
|
out_idr_remove:
|
|
idr_remove(&lpfc_hba_index, phba->brd_no);
|
|
out_put_host:
|
|
scsi_host_put(host);
|
|
out_release_regions:
|
|
pci_release_regions(pdev);
|
|
out_disable_device:
|
|
pci_disable_device(pdev);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
static void __devexit
|
|
lpfc_pci_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *host = pci_get_drvdata(pdev);
|
|
struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0];
|
|
unsigned long iflag;
|
|
|
|
lpfc_free_sysfs_attr(phba);
|
|
|
|
spin_lock_irqsave(phba->host->host_lock, iflag);
|
|
phba->fc_flag |= FC_UNLOADING;
|
|
|
|
spin_unlock_irqrestore(phba->host->host_lock, iflag);
|
|
|
|
fc_remove_host(phba->host);
|
|
scsi_remove_host(phba->host);
|
|
|
|
kthread_stop(phba->worker_thread);
|
|
|
|
/*
|
|
* Bring down the SLI Layer. This step disable all interrupts,
|
|
* clears the rings, discards all mailbox commands, and resets
|
|
* the HBA.
|
|
*/
|
|
lpfc_sli_hba_down(phba);
|
|
|
|
/* Release the irq reservation */
|
|
free_irq(phba->pcidev->irq, phba);
|
|
|
|
lpfc_cleanup(phba, 0);
|
|
lpfc_stop_timer(phba);
|
|
phba->work_hba_events = 0;
|
|
|
|
/*
|
|
* Call scsi_free before mem_free since scsi bufs are released to their
|
|
* corresponding pools here.
|
|
*/
|
|
lpfc_scsi_free(phba);
|
|
lpfc_mem_free(phba);
|
|
|
|
/* Free resources associated with SLI2 interface */
|
|
dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
|
|
phba->slim2p, phba->slim2p_mapping);
|
|
|
|
/* unmap adapter SLIM and Control Registers */
|
|
iounmap(phba->ctrl_regs_memmap_p);
|
|
iounmap(phba->slim_memmap_p);
|
|
|
|
pci_release_regions(phba->pcidev);
|
|
pci_disable_device(phba->pcidev);
|
|
|
|
idr_remove(&lpfc_hba_index, phba->brd_no);
|
|
scsi_host_put(phba->host);
|
|
|
|
pci_set_drvdata(pdev, NULL);
|
|
}
|
|
|
|
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_HELIOS,
|
|
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_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, },
|
|
{ 0 }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, lpfc_id_table);
|
|
|
|
static struct pci_driver lpfc_driver = {
|
|
.name = LPFC_DRIVER_NAME,
|
|
.id_table = lpfc_id_table,
|
|
.probe = lpfc_pci_probe_one,
|
|
.remove = __devexit_p(lpfc_pci_remove_one),
|
|
};
|
|
|
|
static int __init
|
|
lpfc_init(void)
|
|
{
|
|
int error = 0;
|
|
|
|
printk(LPFC_MODULE_DESC "\n");
|
|
printk(LPFC_COPYRIGHT "\n");
|
|
|
|
lpfc_transport_template =
|
|
fc_attach_transport(&lpfc_transport_functions);
|
|
if (!lpfc_transport_template)
|
|
return -ENOMEM;
|
|
error = pci_register_driver(&lpfc_driver);
|
|
if (error)
|
|
fc_release_transport(lpfc_transport_template);
|
|
|
|
return error;
|
|
}
|
|
|
|
static void __exit
|
|
lpfc_exit(void)
|
|
{
|
|
pci_unregister_driver(&lpfc_driver);
|
|
fc_release_transport(lpfc_transport_template);
|
|
}
|
|
|
|
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);
|