lpfc_init.c 73.2 KB
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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) 2004-2008 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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 *                                                                 *
 * 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       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
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 *******************************************************************/

#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/kthread.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
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#include <linux/ctype.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>

#include "lpfc_hw.h"
#include "lpfc_sli.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
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#include "lpfc_vport.h"
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#include "lpfc_version.h"

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static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
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static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
static int lpfc_post_rcv_buf(struct lpfc_hba *);

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);

/************************************************************************/
/*                                                                      */
/*    lpfc_config_port_prep                                             */
/*    This routine will do LPFC initialization prior to the             */
/*    CONFIG_PORT mailbox command. This will be initialized             */
/*    as a SLI layer callback routine.                                  */
/*    This routine returns 0 on success or -ERESTART if it wants        */
/*    the SLI layer to reset the HBA and try again. Any                 */
/*    other return value indicates an error.                            */
/*                                                                      */
/************************************************************************/
int
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lpfc_config_port_prep(struct lpfc_hba *phba)
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{
	lpfc_vpd_t *vp = &phba->vpd;
	int i = 0, rc;
	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	char *lpfc_vpd_data = NULL;
	uint16_t offset = 0;
	static char licensed[56] =
		    "key unlock for use with gnu public licensed code only\0";
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	static int init_key = 1;
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	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
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		phba->link_state = LPFC_HBA_ERROR;
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		return -ENOMEM;
	}

	mb = &pmb->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) {
			uint32_t *ptext = (uint32_t *) licensed;
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			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
				*ptext = cpu_to_be32(*ptext);
			init_key = 0;
		}
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		lpfc_read_nv(phba, pmb);
		memset((char*)mb->un.varRDnvp.rsvd3, 0,
			sizeof (mb->un.varRDnvp.rsvd3));
		memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
			 sizeof (licensed));

		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);

		if (rc != MBX_SUCCESS) {
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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, "
					"mbxStatus x%x\n",
					mb->mbxCommand, mb->mbxStatus);
			mempool_free(pmb, phba->mbox_mem_pool);
			return -ERESTART;
		}
		memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
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		       sizeof(phba->wwnn));
		memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
		       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 */
	lpfc_read_rev(phba, pmb);
	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
	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",
				mb->mbxCommand, mb->mbxStatus);
		mempool_free( pmb, phba->mbox_mem_pool);
		return -ERESTART;
	}

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	/*
	 * The value of rr must be 1 since the driver set the cv field to 1.
	 * This setting requires the FW to set all revision fields.
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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 "
				"missing revision information.\n");
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		mempool_free(pmb, phba->mbox_mem_pool);
		return -ERESTART;
	}

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	if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp)
		return -EINVAL;

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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;
	memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
	vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
	memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
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	vp->rev.biuRev = mb->un.varRdRev.biuRev;
	vp->rev.smRev = mb->un.varRdRev.smRev;
	vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
	vp->rev.endecRev = mb->un.varRdRev.endecRev;
	vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
	vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
	vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
	vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
	vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
	vp->rev.opFwRev = mb->un.varRdRev.opFwRev;

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	/* If the sli feature level is less then 9, we must
	 * tear down all RPIs and VPIs on link down if NPIV
	 * is enabled.
	 */
	if (vp->rev.feaLevelHigh < 9)
		phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;

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	if (lpfc_is_LC_HBA(phba->pcidev->device))
		memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
						sizeof (phba->RandomData));

	/* Get adapter VPD information */
	pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
	if (!pmb->context2)
		goto out_free_mbox;
	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
	if (!lpfc_vpd_data)
		goto out_free_context2;

	do {
		lpfc_dump_mem(phba, pmb, offset);
		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);

		if (rc != MBX_SUCCESS) {
			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",
					mb->mbxCommand, mb->mbxStatus);
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			mb->un.varDmp.word_cnt = 0;
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		}
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		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
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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 && offset < DMP_VPD_SIZE);
	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
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	kfree(lpfc_vpd_data);
out_free_context2:
	kfree(pmb->context2);
out_free_mbox:
	mempool_free(pmb, phba->mbox_mem_pool);
	return 0;
}

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/* Completion handler for config async event mailbox command. */
static void
lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
{
	if (pmboxq->mb.mbxStatus == MBX_SUCCESS)
		phba->temp_sensor_support = 1;
	else
		phba->temp_sensor_support = 0;
	mempool_free(pmboxq, phba->mbox_mem_pool);
	return;
}

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/************************************************************************/
/*                                                                      */
/*    lpfc_config_port_post                                             */
/*    This routine will do LPFC initialization after the                */
/*    CONFIG_PORT mailbox command. This will be initialized             */
/*    as a SLI layer callback routine.                                  */
/*    This routine returns 0 on success. Any other return value         */
/*    indicates an error.                                               */
/*                                                                      */
/************************************************************************/
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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	LPFC_MBOXQ_t *pmb;
	MAILBOX_t *mb;
	struct lpfc_dmabuf *mp;
	struct lpfc_sli *psli = &phba->sli;
	uint32_t status, timeout;
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	int i, j;
	int rc;
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	spin_lock_irq(&phba->hbalock);
	/*
	 * If the Config port completed correctly the HBA is not
	 * over heated any more.
	 */
	if (phba->over_temp_state == HBA_OVER_TEMP)
		phba->over_temp_state = HBA_NORMAL_TEMP;
	spin_unlock_irq(&phba->hbalock);

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	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb) {
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		phba->link_state = LPFC_HBA_ERROR;
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		return -ENOMEM;
	}
	mb = &pmb->mb;

	/* Get login parameters for NID.  */
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	lpfc_read_sparam(phba, pmb, 0);
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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 "
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				"READ_SPARM mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);
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		phba->link_state = LPFC_HBA_ERROR;
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		mp = (struct lpfc_dmabuf *) pmb->context1;
		mempool_free( pmb, phba->mbox_mem_pool);
		lpfc_mbuf_free(phba, mp->virt, mp->phys);
		kfree(mp);
		return -EIO;
	}

	mp = (struct lpfc_dmabuf *) pmb->context1;

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	memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
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	lpfc_mbuf_free(phba, mp->virt, mp->phys);
	kfree(mp);
	pmb->context1 = NULL;

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	if (phba->cfg_soft_wwnn)
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		u64_to_wwn(phba->cfg_soft_wwnn,
			   vport->fc_sparam.nodeName.u.wwn);
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	if (phba->cfg_soft_wwpn)
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		u64_to_wwn(phba->cfg_soft_wwpn,
			   vport->fc_sparam.portName.u.wwn);
	memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
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	       sizeof (struct lpfc_name));
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	memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
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	       sizeof (struct lpfc_name));
	/* 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;

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		outptr = &vport->fc_nodename.u.s.IEEE[0];
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		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);
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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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				"0453 Adapter failed to init, mbxCmd x%x "
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				"READ_CONFIG, mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);
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		phba->link_state = LPFC_HBA_ERROR;
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		mempool_free( pmb, phba->mbox_mem_pool);
		return -EIO;
	}

	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
	if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
		phba->cfg_hba_queue_depth =
			mb->un.varRdConfig.max_xri + 1;

	phba->lmt = mb->un.varRdConfig.lmt;
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	/* Get the default values for Model Name and Description */
	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);

	if ((phba->cfg_link_speed > LINK_SPEED_10G)
	    || ((phba->cfg_link_speed == LINK_SPEED_1G)
		&& !(phba->lmt & LMT_1Gb))
	    || ((phba->cfg_link_speed == LINK_SPEED_2G)
		&& !(phba->lmt & LMT_2Gb))
	    || ((phba->cfg_link_speed == LINK_SPEED_4G)
		&& !(phba->lmt & LMT_4Gb))
	    || ((phba->cfg_link_speed == LINK_SPEED_8G)
		&& !(phba->lmt & LMT_8Gb))
	    || ((phba->cfg_link_speed == LINK_SPEED_10G)
		&& !(phba->lmt & LMT_10Gb))) {
		/* Reset link speed to auto */
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		lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
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			"1302 Invalid speed for this board: "
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			"Reset link speed to auto: x%x\n",
			phba->cfg_link_speed);
			phba->cfg_link_speed = LINK_SPEED_AUTO;
	}

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	phba->link_state = LPFC_LINK_DOWN;
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	/* Only process IOCBs on ELS ring till hba_state is READY */
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	if (psli->ring[psli->extra_ring].cmdringaddr)
		psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
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	if (psli->ring[psli->fcp_ring].cmdringaddr)
		psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
	if (psli->ring[psli->next_ring].cmdringaddr)
		psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;

	/* Post receive buffers for desired rings */
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	if (phba->sli_rev != 3)
		lpfc_post_rcv_buf(phba);
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	/* Enable appropriate host interrupts */
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	spin_lock_irq(&phba->hbalock);
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	status = readl(phba->HCregaddr);
	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;

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	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
		status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);

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	writel(status, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */
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	spin_unlock_irq(&phba->hbalock);
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	/*
	 * Setup the ring 0 (els)  timeout handler
	 */
	timeout = phba->fc_ratov << 1;
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	mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
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	mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
	phba->hb_outstanding = 0;
	phba->last_completion_time = jiffies;
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	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
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	pmb->vport = vport;
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	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
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	lpfc_set_loopback_flag(phba);
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	if (rc != MBX_SUCCESS) {
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		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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				"0454 Adapter failed to init, mbxCmd x%x "
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				"INIT_LINK, mbxStatus x%x\n",
				mb->mbxCommand, mb->mbxStatus);

		/* 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->link_state = LPFC_HBA_ERROR;
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		if (rc != MBX_BUSY)
			mempool_free(pmb, phba->mbox_mem_pool);
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		return -EIO;
	}
	/* MBOX buffer will be freed in mbox compl */
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	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	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);
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	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);
	}
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	return (0);
}

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/************************************************************************/
/*                                                                      */
/*    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
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lpfc_hba_down_prep(struct lpfc_hba *phba)
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{
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	struct lpfc_vport **vports;
	int i;
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	/* Disable interrupts */
	writel(0, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */

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	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_vpi && vports[i] != NULL; i++)
				lpfc_cleanup_discovery_resources(vports[i]);
		lpfc_destroy_vport_work_array(phba, vports);
478 479
	}
	return 0;
已提交
480 481
}

482 483 484 485 486 487 488 489 490 491
/************************************************************************/
/*                                                                      */
/*    lpfc_hba_down_post                                                */
/*    This routine will do uninitialization after the HBA is reset      */
/*    when bringing down the SLI Layer.                                 */
/*    This routine returns 0 on success. Any other return value         */
/*    indicates an error.                                               */
/*                                                                      */
/************************************************************************/
int
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492
lpfc_hba_down_post(struct lpfc_hba *phba)
493 494 495 496
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	struct lpfc_dmabuf *mp, *next_mp;
497 498 499
	struct lpfc_iocbq *iocb;
	IOCB_t *cmd = NULL;
	LIST_HEAD(completions);
500 501
	int i;

502 503 504 505 506 507 508 509 510 511 512
	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];
		list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
			list_del(&mp->list);
			pring->postbufq_cnt--;
			lpfc_mbuf_free(phba, mp->virt, mp->phys);
			kfree(mp);
		}
513 514
	}

515
	spin_lock_irq(&phba->hbalock);
516 517
	for (i = 0; i < psli->num_rings; i++) {
		pring = &psli->ring[i];
518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540

		/* 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;
		spin_unlock_irq(&phba->hbalock);

		while (!list_empty(&completions)) {
			iocb = list_get_first(&completions, struct lpfc_iocbq,
				list);
			cmd = &iocb->iocb;
			list_del_init(&iocb->list);

			if (!iocb->iocb_cmpl)
				lpfc_sli_release_iocbq(phba, iocb);
			else {
				cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
				cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
				(iocb->iocb_cmpl) (phba, iocb, iocb);
			}
		}

541
		lpfc_sli_abort_iocb_ring(phba, pring);
542
		spin_lock_irq(&phba->hbalock);
543
	}
544
	spin_unlock_irq(&phba->hbalock);
545 546 547 548

	return 0;
}

J
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549
/* HBA heart beat timeout handler */
A
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550
static void
J
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551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578
lpfc_hb_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->work_port_events & WORKER_HB_TMO))
		phba->pport->work_port_events |= WORKER_HB_TMO;
	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);

	if (phba->work_wait)
		wake_up(phba->work_wait);
	return;
}

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);

	mempool_free(pmboxq, phba->mbox_mem_pool);
	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
		!(phba->link_state == LPFC_HBA_ERROR) &&
579
		!(phba->pport->load_flag & FC_UNLOADING))
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580 581 582 583 584 585 586 587 588
		mod_timer(&phba->hb_tmofunc,
			jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
	return;
}

void
lpfc_hb_timeout_handler(struct lpfc_hba *phba)
{
	LPFC_MBOXQ_t *pmboxq;
589
	struct lpfc_dmabuf *buf_ptr;
J
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590 591
	int retval;
	struct lpfc_sli *psli = &phba->sli;
592
	LIST_HEAD(completions);
J
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593 594

	if ((phba->link_state == LPFC_HBA_ERROR) ||
595
		(phba->pport->load_flag & FC_UNLOADING) ||
J
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596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618
		(phba->pport->fc_flag & FC_OFFLINE_MODE))
		return;

	spin_lock_irq(&phba->pport->work_port_lock);
	/* If the timer is already canceled do nothing */
	if (!(phba->pport->work_port_events & WORKER_HB_TMO)) {
		spin_unlock_irq(&phba->pport->work_port_lock);
		return;
	}

	if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
		jiffies)) {
		spin_unlock_irq(&phba->pport->work_port_lock);
		if (!phba->hb_outstanding)
			mod_timer(&phba->hb_tmofunc,
				jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
		else
			mod_timer(&phba->hb_tmofunc,
				jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
		return;
	}
	spin_unlock_irq(&phba->pport->work_port_lock);

619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
	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;

J
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636
	/* If there is no heart beat outstanding, issue a heartbeat command */
637 638 639 640 641 642 643 644
	if (phba->cfg_enable_hba_heartbeat) {
		if (!phba->hb_outstanding) {
			pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
			if (!pmboxq) {
				mod_timer(&phba->hb_tmofunc,
					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
				return;
			}
J
James Smart 已提交
645

646 647 648 649
			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);
J
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650

651 652 653 654 655 656
			if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
				mempool_free(pmboxq, phba->mbox_mem_pool);
				mod_timer(&phba->hb_tmofunc,
					  jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
				return;
			}
J
James Smart 已提交
657
			mod_timer(&phba->hb_tmofunc,
658 659
				  jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
			phba->hb_outstanding = 1;
J
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660
			return;
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678
		} else {
			/*
			* If heart beat timeout called with hb_outstanding set
			* we need to take the HBA offline.
			*/
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
					"0459 Adapter heartbeat failure, "
					"taking this port offline.\n");

			spin_lock_irq(&phba->hbalock);
			psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
			spin_unlock_irq(&phba->hbalock);

			lpfc_offline_prep(phba);
			lpfc_offline(phba);
			lpfc_unblock_mgmt_io(phba);
			phba->link_state = LPFC_HBA_ERROR;
			lpfc_hba_down_post(phba);
J
James Smart 已提交
679 680 681 682
		}
	}
}

683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
static void
lpfc_offline_eratt(struct lpfc_hba *phba)
{
	struct lpfc_sli   *psli = &phba->sli;

	spin_lock_irq(&phba->hbalock);
	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
	spin_unlock_irq(&phba->hbalock);
	lpfc_offline_prep(phba);

	lpfc_offline(phba);
	lpfc_reset_barrier(phba);
	lpfc_sli_brdreset(phba);
	lpfc_hba_down_post(phba);
	lpfc_sli_brdready(phba, HS_MBRDY);
	lpfc_unblock_mgmt_io(phba);
	phba->link_state = LPFC_HBA_ERROR;
	return;
}

已提交
703 704 705 706 707 708 709 710 711
/************************************************************************/
/*                                                                      */
/*    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
J
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712
lpfc_handle_eratt(struct lpfc_hba *phba)
已提交
713
{
J
James Smart 已提交
714 715
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
716
	struct lpfc_sli_ring  *pring;
717
	struct lpfc_vport **vports;
718
	uint32_t event_data;
719 720
	unsigned long temperature;
	struct temp_event temp_event_data;
721
	struct Scsi_Host  *shost;
722
	int i;
J
James Smart 已提交
723

724 725 726 727
	/* 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;
728 729 730
	/* If resets are disabled then leave the HBA alone and return */
	if (!phba->cfg_enable_hba_reset)
		return;
已提交
731

J
James Smart 已提交
732 733
	if (phba->work_hs & HS_FFER6 ||
	    phba->work_hs & HS_FFER5) {
已提交
734 735
		/* Re-establishing Link */
		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
736
				"1301 Re-establishing Link "
已提交
737
				"Data: x%x x%x x%x\n",
738
				phba->work_hs,
已提交
739
				phba->work_status[0], phba->work_status[1]);
740 741 742
		vports = lpfc_create_vport_work_array(phba);
		if (vports != NULL)
			for(i = 0;
743
			    i <= phba->max_vpi && vports[i] != NULL;
744 745 746 747 748 749
			    i++){
				shost = lpfc_shost_from_vport(vports[i]);
				spin_lock_irq(shost->host_lock);
				vports[i]->fc_flag |= FC_ESTABLISH_LINK;
				spin_unlock_irq(shost->host_lock);
			}
750
		lpfc_destroy_vport_work_array(phba, vports);
751
		spin_lock_irq(&phba->hbalock);
752
		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
753
		spin_unlock_irq(&phba->hbalock);
已提交
754 755 756 757 758 759 760 761 762 763 764 765 766 767 768

		/*
		* 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.
		 */
769
		lpfc_offline_prep(phba);
已提交
770
		lpfc_offline(phba);
771
		lpfc_sli_brdrestart(phba);
已提交
772 773
		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
774
			lpfc_unblock_mgmt_io(phba);
已提交
775 776
			return;
		}
777
		lpfc_unblock_mgmt_io(phba);
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797
	} 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,
				"0459 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);

798 799 800
		spin_lock_irq(&phba->hbalock);
		phba->over_temp_state = HBA_OVER_TEMP;
		spin_unlock_irq(&phba->hbalock);
801
		lpfc_offline_eratt(phba);
802

已提交
803 804 805 806 807 808
	} 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,
809
				"0457 Adapter Hardware Error "
已提交
810
				"Data: x%x x%x x%x\n",
811
				phba->work_hs,
已提交
812 813
				phba->work_status[0], phba->work_status[1]);

814
		event_data = FC_REG_DUMP_EVENT;
815
		shost = lpfc_shost_from_vport(vport);
J
James Smart 已提交
816
		fc_host_post_vendor_event(shost, fc_get_event_number(),
817 818 819
				sizeof(event_data), (char *) &event_data,
				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);

820
		lpfc_offline_eratt(phba);
已提交
821 822 823 824 825 826 827 828 829 830 831 832
	}
}

/************************************************************************/
/*                                                                      */
/*    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
J
James Smart 已提交
833
lpfc_handle_latt(struct lpfc_hba *phba)
已提交
834
{
J
James Smart 已提交
835 836
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
837 838 839
	LPFC_MBOXQ_t *pmb;
	volatile uint32_t control;
	struct lpfc_dmabuf *mp;
840
	int rc = 0;
已提交
841 842

	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
843 844
	if (!pmb) {
		rc = 1;
已提交
845
		goto lpfc_handle_latt_err_exit;
846
	}
已提交
847 848

	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
849 850
	if (!mp) {
		rc = 2;
已提交
851
		goto lpfc_handle_latt_free_pmb;
852
	}
已提交
853 854

	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
855 856
	if (!mp->virt) {
		rc = 3;
已提交
857
		goto lpfc_handle_latt_free_mp;
858
	}
已提交
859

860
	/* Cleanup any outstanding ELS commands */
861
	lpfc_els_flush_all_cmd(phba);
已提交
862 863 864 865

	psli->slistat.link_event++;
	lpfc_read_la(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
J
James Smart 已提交
866
	pmb->vport = vport;
867
	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
868 869
	if (rc == MBX_NOT_FINISHED) {
		rc = 4;
870
		goto lpfc_handle_latt_free_mbuf;
871
	}
已提交
872 873

	/* Clear Link Attention in HA REG */
J
James Smart 已提交
874
	spin_lock_irq(&phba->hbalock);
已提交
875 876
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
J
James Smart 已提交
877
	spin_unlock_irq(&phba->hbalock);
已提交
878 879 880

	return;

881 882
lpfc_handle_latt_free_mbuf:
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
已提交
883 884 885
lpfc_handle_latt_free_mp:
	kfree(mp);
lpfc_handle_latt_free_pmb:
886
	mempool_free(pmb, phba->mbox_mem_pool);
已提交
887 888
lpfc_handle_latt_err_exit:
	/* Enable Link attention interrupts */
J
James Smart 已提交
889
	spin_lock_irq(&phba->hbalock);
已提交
890 891 892 893 894 895 896 897 898
	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 */
J
James Smart 已提交
899
	spin_unlock_irq(&phba->hbalock);
已提交
900
	lpfc_linkdown(phba);
J
James Smart 已提交
901
	phba->link_state = LPFC_HBA_ERROR;
已提交
902

903 904
	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
		     "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
已提交
905 906 907 908 909 910 911 912 913 914 915

	return;
}

/************************************************************************/
/*                                                                      */
/*   lpfc_parse_vpd                                                     */
/*   This routine will parse the VPD data                               */
/*                                                                      */
/************************************************************************/
static int
J
James Smart 已提交
916
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
已提交
917 918
{
	uint8_t lenlo, lenhi;
919
	int Length;
已提交
920 921 922 923 924 925 926 927
	int i, j;
	int finished = 0;
	int index = 0;

	if (!vpd)
		return 0;

	/* Vital Product */
928
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
929
			"0455 Vital Product Data: x%x x%x x%x x%x\n",
已提交
930 931
			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
			(uint32_t) vpd[3]);
932
	while (!finished && (index < (len - 4))) {
已提交
933 934
		switch (vpd[index]) {
		case 0x82:
935
		case 0x91:
已提交
936 937 938 939 940 941 942 943 944 945 946 947 948 949 950
			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);
951 952
			if (Length > len - index)
				Length = len - index;
已提交
953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
			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;
		}
1046
	}
已提交
1047 1048 1049 1050 1051

	return(1);
}

static void
J
James Smart 已提交
1052
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
已提交
1053 1054
{
	lpfc_vpd_t *vp;
1055
	uint16_t dev_id = phba->pcidev->device;
1056 1057 1058 1059 1060
	int max_speed;
	struct {
		char * name;
		int    max_speed;
		char * bus;
1061
	} m = {"<Unknown>", 0, ""};
1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076

	if (mdp && mdp[0] != '\0'
		&& descp && descp[0] != '\0')
		return;

	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
		max_speed = 1;
已提交
1077 1078 1079

	vp = &phba->vpd;

1080
	switch (dev_id) {
1081
	case PCI_DEVICE_ID_FIREFLY:
1082
		m = (typeof(m)){"LP6000", max_speed, "PCI"};
1083
		break;
已提交
1084 1085
	case PCI_DEVICE_ID_SUPERFLY:
		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1086
			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
已提交
1087
		else
1088
			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
已提交
1089 1090
		break;
	case PCI_DEVICE_ID_DRAGONFLY:
1091
		m = (typeof(m)){"LP8000", max_speed, "PCI"};
已提交
1092 1093 1094
		break;
	case PCI_DEVICE_ID_CENTAUR:
		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1095
			m = (typeof(m)){"LP9002", max_speed, "PCI"};
已提交
1096
		else
1097
			m = (typeof(m)){"LP9000", max_speed, "PCI"};
已提交
1098 1099
		break;
	case PCI_DEVICE_ID_RFLY:
1100
		m = (typeof(m)){"LP952", max_speed, "PCI"};
已提交
1101 1102
		break;
	case PCI_DEVICE_ID_PEGASUS:
1103
		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
已提交
1104 1105
		break;
	case PCI_DEVICE_ID_THOR:
1106
		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
已提交
1107 1108
		break;
	case PCI_DEVICE_ID_VIPER:
1109
		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
已提交
1110 1111
		break;
	case PCI_DEVICE_ID_PFLY:
1112
		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
已提交
1113 1114
		break;
	case PCI_DEVICE_ID_TFLY:
1115
		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
已提交
1116 1117
		break;
	case PCI_DEVICE_ID_HELIOS:
1118
		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
已提交
1119
		break;
1120
	case PCI_DEVICE_ID_HELIOS_SCSP:
1121
		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1122 1123
		break;
	case PCI_DEVICE_ID_HELIOS_DCSP:
1124
		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1125 1126
		break;
	case PCI_DEVICE_ID_NEPTUNE:
1127
		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1128 1129
		break;
	case PCI_DEVICE_ID_NEPTUNE_SCSP:
1130
		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1131 1132
		break;
	case PCI_DEVICE_ID_NEPTUNE_DCSP:
1133
		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1134
		break;
已提交
1135
	case PCI_DEVICE_ID_BMID:
1136
		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
已提交
1137 1138
		break;
	case PCI_DEVICE_ID_BSMB:
1139
		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
已提交
1140 1141
		break;
	case PCI_DEVICE_ID_ZEPHYR:
1142
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
已提交
1143
		break;
1144
	case PCI_DEVICE_ID_ZEPHYR_SCSP:
1145
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1146 1147
		break;
	case PCI_DEVICE_ID_ZEPHYR_DCSP:
1148
		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1149
		break;
已提交
1150
	case PCI_DEVICE_ID_ZMID:
1151
		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
已提交
1152 1153
		break;
	case PCI_DEVICE_ID_ZSMB:
1154
		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
已提交
1155 1156
		break;
	case PCI_DEVICE_ID_LP101:
1157
		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
已提交
1158 1159
		break;
	case PCI_DEVICE_ID_LP10000S:
1160
		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1161
		break;
1162
	case PCI_DEVICE_ID_LP11000S:
1163 1164 1165
		m = (typeof(m)){"LP11000-S", max_speed,
			"PCI-X2"};
		break;
1166
	case PCI_DEVICE_ID_LPE11000S:
1167 1168
		m = (typeof(m)){"LPe11000-S", max_speed,
			"PCIe"};
1169
		break;
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187
	case PCI_DEVICE_ID_SAT:
		m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
		break;
	case PCI_DEVICE_ID_SAT_MID:
		m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
		break;
	case PCI_DEVICE_ID_SAT_SMB:
		m = (typeof(m)){"LPe121", max_speed, "PCIe"};
		break;
	case PCI_DEVICE_ID_SAT_DCSP:
		m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
		break;
	case PCI_DEVICE_ID_SAT_SCSP:
		m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
		break;
	case PCI_DEVICE_ID_SAT_S:
		m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
		break;
1188
	default:
R
Randy Dunlap 已提交
1189
		m = (typeof(m)){ NULL };
1190
		break;
已提交
1191
	}
1192 1193 1194 1195 1196

	if (mdp && mdp[0] == '\0')
		snprintf(mdp, 79,"%s", m.name);
	if (descp && descp[0] == '\0')
		snprintf(descp, 255,
1197 1198
			 "Emulex %s %dGb %s Fibre Channel Adapter",
			 m.name, m.max_speed, m.bus);
已提交
1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
}

/**************************************************/
/*   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
J
James Smart 已提交
1210
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
已提交
1211 1212 1213
		 int type)
{
	IOCB_t *icmd;
1214
	struct lpfc_iocbq *iocb;
已提交
1215 1216 1217 1218 1219 1220 1221
	struct lpfc_dmabuf *mp1, *mp2;

	cnt += pring->missbufcnt;

	/* While there are buffers to post */
	while (cnt > 0) {
		/* Allocate buffer for  command iocb */
1222
		iocb = lpfc_sli_get_iocbq(phba);
已提交
1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
		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)
1233 1234
		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
		if (!mp1 || !mp1->virt) {
J
Jesper Juhl 已提交
1235
			kfree(mp1);
1236
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
			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);
1248
			if (!mp2 || !mp2->virt) {
J
Jesper Juhl 已提交
1249
				kfree(mp2);
已提交
1250 1251
				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
				kfree(mp1);
1252
				lpfc_sli_release_iocbq(phba, iocb);
已提交
1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286
				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, 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++;
			}
1287
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1288 1289 1290 1291
			pring->missbufcnt = cnt;
			return cnt;
		}
		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1292
		if (mp2)
已提交
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305
			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
J
James Smart 已提交
1306
lpfc_post_rcv_buf(struct lpfc_hba *phba)
已提交
1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406
{
	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;
J
James Smart 已提交
1407
	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
已提交
1408

1409
	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
已提交
1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423
	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);
}

1424
void
J
James Smart 已提交
1425
lpfc_cleanup(struct lpfc_vport *vport)
已提交
1426
{
1427
	struct lpfc_hba   *phba = vport->phba;
已提交
1428
	struct lpfc_nodelist *ndlp, *next_ndlp;
1429
	int i = 0;
已提交
1430

1431 1432 1433 1434
	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) {
1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456
		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);

1457 1458 1459
		if (ndlp->nlp_type & NLP_FABRIC)
			lpfc_disc_state_machine(vport, ndlp, NULL,
					NLP_EVT_DEVICE_RECOVERY);
1460

1461 1462 1463 1464
		lpfc_disc_state_machine(vport, ndlp, NULL,
					     NLP_EVT_DEVICE_RM);
	}

1465 1466 1467 1468
	/* 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.
	 */
1469 1470
	while (!list_empty(&vport->fc_nodes)) {

1471
		if (i++ > 3000) {
1472
			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1473
				"0233 Nodelist not empty\n");
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484
			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));
			}
1485
			break;
1486
		}
1487 1488 1489

		/* Wait for any activity on ndlps to settle */
		msleep(10);
1490
	}
已提交
1491 1492 1493 1494 1495 1496
	return;
}

static void
lpfc_establish_link_tmo(unsigned long ptr)
{
1497
	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1498
	struct lpfc_vport **vports;
已提交
1499
	unsigned long iflag;
1500
	int i;
已提交
1501 1502 1503

	/* Re-establishing Link, timer expired */
	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1504
			"1300 Re-establishing Link, timer expired "
已提交
1505
			"Data: x%x x%x\n",
1506
			phba->pport->fc_flag, phba->pport->port_state);
1507 1508
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1509
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1510 1511 1512 1513 1514 1515
			struct Scsi_Host *shost;
			shost = lpfc_shost_from_vport(vports[i]);
			spin_lock_irqsave(shost->host_lock, iflag);
			vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
			spin_unlock_irqrestore(shost->host_lock, iflag);
		}
1516
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1517 1518
}

1519 1520
void
lpfc_stop_vport_timers(struct lpfc_vport *vport)
已提交
1521
{
1522 1523 1524 1525
	del_timer_sync(&vport->els_tmofunc);
	del_timer_sync(&vport->fc_fdmitmo);
	lpfc_can_disctmo(vport);
	return;
已提交
1526 1527
}

J
James Smart 已提交
1528
static void
1529
lpfc_stop_phba_timers(struct lpfc_hba *phba)
已提交
1530
{
1531
	del_timer_sync(&phba->fcp_poll_timer);
已提交
1532
	del_timer_sync(&phba->fc_estabtmo);
1533
	lpfc_stop_vport_timers(phba->pport);
J
James Smart 已提交
1534
	del_timer_sync(&phba->sli.mbox_tmo);
1535
	del_timer_sync(&phba->fabric_block_timer);
J
James Smart 已提交
1536 1537
	phba->hb_outstanding = 0;
	del_timer_sync(&phba->hb_tmofunc);
J
James Smart 已提交
1538
	return;
已提交
1539 1540
}

A
Adrian Bunk 已提交
1541 1542 1543 1544 1545 1546 1547 1548 1549 1550
static void
lpfc_block_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);
}

已提交
1551
int
J
James Smart 已提交
1552
lpfc_online(struct lpfc_hba *phba)
已提交
1553
{
J
James Smart 已提交
1554
	struct lpfc_vport *vport = phba->pport;
1555 1556
	struct lpfc_vport **vports;
	int i;
J
James Smart 已提交
1557

已提交
1558 1559 1560
	if (!phba)
		return 0;

J
James Smart 已提交
1561
	if (!(vport->fc_flag & FC_OFFLINE_MODE))
已提交
1562 1563
		return 0;

1564
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1565
			"0458 Bring Adapter online\n");
已提交
1566

1567 1568 1569 1570
	lpfc_block_mgmt_io(phba);

	if (!lpfc_sli_queue_setup(phba)) {
		lpfc_unblock_mgmt_io(phba);
已提交
1571
		return 1;
1572
	}
已提交
1573

1574 1575
	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
		lpfc_unblock_mgmt_io(phba);
已提交
1576
		return 1;
1577
	}
已提交
1578

1579 1580
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1581
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1582 1583 1584 1585 1586 1587 1588 1589
			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;
			spin_unlock_irq(shost->host_lock);
		}
1590
		lpfc_destroy_vport_work_array(phba, vports);
已提交
1591

1592
	lpfc_unblock_mgmt_io(phba);
已提交
1593 1594 1595
	return 0;
}

1596 1597 1598 1599 1600
void
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
{
	unsigned long iflag;

J
James Smart 已提交
1601 1602 1603
	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
1604 1605 1606 1607 1608
}

void
lpfc_offline_prep(struct lpfc_hba * phba)
{
J
James Smart 已提交
1609
	struct lpfc_vport *vport = phba->pport;
1610
	struct lpfc_nodelist  *ndlp, *next_ndlp;
1611 1612
	struct lpfc_vport **vports;
	int i;
已提交
1613

J
James Smart 已提交
1614
	if (vport->fc_flag & FC_OFFLINE_MODE)
1615
		return;
已提交
1616

1617
	lpfc_block_mgmt_io(phba);
已提交
1618 1619 1620

	lpfc_linkdown(phba);

1621 1622 1623
	/* Issue an unreg_login to all nodes on all vports */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL) {
1624
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1625 1626
			struct Scsi_Host *shost;

1627 1628
			if (vports[i]->load_flag & FC_UNLOADING)
				continue;
1629 1630 1631 1632
			shost =	lpfc_shost_from_vport(vports[i]);
			list_for_each_entry_safe(ndlp, next_ndlp,
						 &vports[i]->fc_nodes,
						 nlp_listp) {
1633 1634
				if (!NLP_CHK_NODE_ACT(ndlp))
					continue;
1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649
				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);
				lpfc_unreg_rpi(vports[i], ndlp);
			}
		}
	}
1650
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1651

1652 1653 1654 1655
	lpfc_sli_flush_mbox_queue(phba);
}

void
J
James Smart 已提交
1656
lpfc_offline(struct lpfc_hba *phba)
1657
{
1658 1659 1660
	struct Scsi_Host  *shost;
	struct lpfc_vport **vports;
	int i;
1661

1662
	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1663
		return;
1664

已提交
1665
	/* stop all timers associated with this hba */
1666
	lpfc_stop_phba_timers(phba);
1667 1668
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1669
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1670
			lpfc_stop_vport_timers(vports[i]);
1671
	lpfc_destroy_vport_work_array(phba, vports);
1672
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1673
			"0460 Bring Adapter offline\n");
已提交
1674 1675 1676
	/* Bring down the SLI Layer and cleanup.  The HBA is offline
	   now.  */
	lpfc_sli_hba_down(phba);
1677
	spin_lock_irq(&phba->hbalock);
1678
	phba->work_ha = 0;
1679
	spin_unlock_irq(&phba->hbalock);
1680 1681
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1682
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1683 1684 1685 1686 1687 1688
			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);
		}
1689
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1690 1691 1692 1693 1694 1695 1696 1697 1698
}

/******************************************************************************
* Function name: lpfc_scsi_free
*
* Description: Called from lpfc_pci_remove_one free internal driver resources
*
******************************************************************************/
static int
J
James Smart 已提交
1699
lpfc_scsi_free(struct lpfc_hba *phba)
已提交
1700 1701 1702 1703
{
	struct lpfc_scsi_buf *sb, *sb_next;
	struct lpfc_iocbq *io, *io_next;

J
James Smart 已提交
1704
	spin_lock_irq(&phba->hbalock);
已提交
1705 1706 1707 1708
	/* 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,
1709
			      sb->dma_handle);
已提交
1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720
		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--;
	}

J
James Smart 已提交
1721
	spin_unlock_irq(&phba->hbalock);
已提交
1722 1723 1724 1725

	return 0;
}

J
James Smart 已提交
1726
struct lpfc_vport *
1727
lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1728
{
J
James Smart 已提交
1729 1730 1731
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost;
	int error = 0;
1732

1733 1734 1735 1736 1737 1738
	if (dev != &phba->pcidev->dev)
		shost = scsi_host_alloc(&lpfc_vport_template,
					sizeof(struct lpfc_vport));
	else
		shost = scsi_host_alloc(&lpfc_template,
					sizeof(struct lpfc_vport));
J
James Smart 已提交
1739 1740
	if (!shost)
		goto out;
1741

J
James Smart 已提交
1742 1743 1744
	vport = (struct lpfc_vport *) shost->hostdata;
	vport->phba = phba;
	vport->load_flag |= FC_LOADING;
1745
	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1746
	vport->fc_rscn_flush = 0;
1747

1748
	lpfc_get_vport_cfgparam(vport);
J
James Smart 已提交
1749 1750
	shost->unique_id = instance;
	shost->max_id = LPFC_MAX_TARGET;
1751
	shost->max_lun = vport->cfg_max_luns;
J
James Smart 已提交
1752 1753
	shost->this_id = -1;
	shost->max_cmd_len = 16;
1754
	/*
J
James Smart 已提交
1755 1756 1757
	 * 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.
1758
	 */
J
James Smart 已提交
1759
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1760
	if (dev != &phba->pcidev->dev) {
1761 1762 1763 1764 1765 1766
		shost->transportt = lpfc_vport_transport_template;
		vport->port_type = LPFC_NPIV_PORT;
	} else {
		shost->transportt = lpfc_transport_template;
		vport->port_type = LPFC_PHYSICAL_PORT;
	}
1767

J
James Smart 已提交
1768 1769 1770
	/* Initialize all internally managed lists. */
	INIT_LIST_HEAD(&vport->fc_nodes);
	spin_lock_init(&vport->work_port_lock);
1771

J
James Smart 已提交
1772 1773
	init_timer(&vport->fc_disctmo);
	vport->fc_disctmo.function = lpfc_disc_timeout;
1774
	vport->fc_disctmo.data = (unsigned long)vport;
1775

J
James Smart 已提交
1776 1777
	init_timer(&vport->fc_fdmitmo);
	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1778
	vport->fc_fdmitmo.data = (unsigned long)vport;
1779

J
James Smart 已提交
1780 1781
	init_timer(&vport->els_tmofunc);
	vport->els_tmofunc.function = lpfc_els_timeout;
1782
	vport->els_tmofunc.data = (unsigned long)vport;
1783

1784
	error = scsi_add_host(shost, dev);
J
James Smart 已提交
1785 1786
	if (error)
		goto out_put_shost;
1787

1788
	spin_lock_irq(&phba->hbalock);
J
James Smart 已提交
1789
	list_add_tail(&vport->listentry, &phba->port_list);
1790
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
1791
	return vport;
1792

J
James Smart 已提交
1793 1794 1795 1796
out_put_shost:
	scsi_host_put(shost);
out:
	return NULL;
1797 1798
}

J
James Smart 已提交
1799 1800
void
destroy_port(struct lpfc_vport *vport)
1801
{
1802 1803
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	struct lpfc_hba  *phba = vport->phba;
1804

1805
	kfree(vport->vname);
1806

J
James Smart 已提交
1807
	lpfc_debugfs_terminate(vport);
1808 1809
	fc_remove_host(shost);
	scsi_remove_host(shost);
1810

1811 1812 1813
	spin_lock_irq(&phba->hbalock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->hbalock);
1814

1815
	lpfc_cleanup(vport);
1816 1817 1818
	return;
}

1819 1820 1821 1822
int
lpfc_get_instance(void)
{
	int instance = 0;
1823

1824 1825 1826 1827 1828 1829
	/* Assign an unused number */
	if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
		return -1;
	if (idr_get_new(&lpfc_hba_index, NULL, &instance))
		return -1;
	return instance;
1830 1831
}

J
James Smart 已提交
1832 1833 1834 1835
/*
 * Note: there is no scan_start function as adapter initialization
 * will have asynchronously kicked off the link initialization.
 */
1836 1837 1838

int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
J
James Smart 已提交
1839 1840
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
J
James Smart 已提交
1841
	int stat = 0;
1842

J
James Smart 已提交
1843 1844
	spin_lock_irq(shost->host_lock);

1845
	if (vport->load_flag & FC_UNLOADING) {
J
James Smart 已提交
1846 1847 1848
		stat = 1;
		goto finished;
	}
J
James Smart 已提交
1849 1850
	if (time >= 30 * HZ) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1851 1852
				"0461 Scanning longer than 30 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1853
		stat = 1;
1854
		goto finished;
J
James Smart 已提交
1855 1856 1857
	}
	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1858 1859
				"0465 Link down longer than 15 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1860
		stat = 1;
1861
		goto finished;
J
James Smart 已提交
1862
	}
1863

J
James Smart 已提交
1864
	if (vport->port_state != LPFC_VPORT_READY)
J
James Smart 已提交
1865
		goto finished;
J
James Smart 已提交
1866
	if (vport->num_disc_nodes || vport->fc_prli_sent)
J
James Smart 已提交
1867
		goto finished;
J
James Smart 已提交
1868
	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
J
James Smart 已提交
1869
		goto finished;
J
James Smart 已提交
1870
	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
J
James Smart 已提交
1871 1872 1873
		goto finished;

	stat = 1;
1874 1875

finished:
J
James Smart 已提交
1876 1877
	spin_unlock_irq(shost->host_lock);
	return stat;
1878
}
1879

1880 1881 1882 1883
void lpfc_host_attrib_init(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
1884
	/*
J
James Smart 已提交
1885
	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1886 1887
	 */

J
James Smart 已提交
1888 1889
	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);
1890 1891 1892
	fc_host_supported_classes(shost) = FC_COS_CLASS3;

	memset(fc_host_supported_fc4s(shost), 0,
J
James Smart 已提交
1893
	       sizeof(fc_host_supported_fc4s(shost)));
1894 1895 1896
	fc_host_supported_fc4s(shost)[2] = 1;
	fc_host_supported_fc4s(shost)[7] = 1;

1897 1898
	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
				 sizeof fc_host_symbolic_name(shost));
1899 1900 1901 1902

	fc_host_supported_speeds(shost) = 0;
	if (phba->lmt & LMT_10Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1903 1904
	if (phba->lmt & LMT_8Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1905 1906 1907 1908 1909 1910 1911 1912
	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) =
J
James Smart 已提交
1913 1914
		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1915 1916 1917

	/* This value is also unchanging */
	memset(fc_host_active_fc4s(shost), 0,
J
James Smart 已提交
1918
	       sizeof(fc_host_active_fc4s(shost)));
1919 1920 1921
	fc_host_active_fc4s(shost)[2] = 1;
	fc_host_active_fc4s(shost)[7] = 1;

1922
	fc_host_max_npiv_vports(shost) = phba->max_vpi;
1923
	spin_lock_irq(shost->host_lock);
1924
	vport->load_flag &= ~FC_LOADING;
1925 1926
	spin_unlock_irq(shost->host_lock);
}
已提交
1927

1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963
static int
lpfc_enable_msix(struct lpfc_hba *phba)
{
	int error;

	phba->msix_entries[0].entry = 0;
	phba->msix_entries[0].vector = 0;

	error = pci_enable_msix(phba->pcidev, phba->msix_entries,
				ARRAY_SIZE(phba->msix_entries));
	if (error) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"0420 Enable MSI-X failed (%d), continuing "
				"with MSI\n", error);
		pci_disable_msix(phba->pcidev);
		return error;
	}

	error =	request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
			    LPFC_DRIVER_NAME, phba);
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"0421 MSI-X request_irq failed (%d), "
				"continuing with MSI\n", error);
		pci_disable_msix(phba->pcidev);
	}
	return error;
}

static void
lpfc_disable_msix(struct lpfc_hba *phba)
{
	free_irq(phba->msix_entries[0].vector, phba);
	pci_disable_msix(phba->pcidev);
}

已提交
1964 1965 1966
static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
J
James Smart 已提交
1967 1968 1969
	struct lpfc_vport *vport = NULL;
	struct lpfc_hba   *phba;
	struct lpfc_sli   *psli;
已提交
1970
	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
J
James Smart 已提交
1971
	struct Scsi_Host  *shost = NULL;
1972
	void *ptr;
已提交
1973
	unsigned long bar0map_len, bar2map_len;
1974
	int error = -ENODEV, retval;
1975
	int  i, hbq_count;
1976
	uint16_t iotag;
1977
	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
已提交
1978

1979
	if (pci_enable_device_mem(pdev))
已提交
1980
		goto out;
1981
	if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
已提交
1982 1983
		goto out_disable_device;

J
James Smart 已提交
1984 1985
	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
	if (!phba)
已提交
1986 1987
		goto out_release_regions;

J
James Smart 已提交
1988
	spin_lock_init(&phba->hbalock);
已提交
1989

1990 1991 1992
	/* Initialize ndlp management spinlock */
	spin_lock_init(&phba->ndlp_lock);

已提交
1993 1994 1995
	phba->pcidev = pdev;

	/* Assign an unused board number */
1996
	if ((phba->brd_no = lpfc_get_instance()) < 0)
J
James Smart 已提交
1997
		goto out_free_phba;
已提交
1998

J
James Smart 已提交
1999 2000 2001 2002 2003 2004
	INIT_LIST_HEAD(&phba->port_list);
	/*
	 * Get all the module params for configuring this host and then
	 * establish the host.
	 */
	lpfc_get_cfgparam(phba);
2005
	phba->max_vpi = LPFC_MAX_VPI;
已提交
2006 2007 2008 2009 2010

	/* 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;
J
James Smart 已提交
2011 2012 2013 2014 2015

	init_timer(&phba->hb_tmofunc);
	phba->hb_tmofunc.function = lpfc_hb_timeout;
	phba->hb_tmofunc.data = (unsigned long)phba;

已提交
2016 2017 2018
	psli = &phba->sli;
	init_timer(&psli->mbox_tmo);
	psli->mbox_tmo.function = lpfc_mbox_timeout;
J
James Smart 已提交
2019
	psli->mbox_tmo.data = (unsigned long) phba;
2020 2021
	init_timer(&phba->fcp_poll_timer);
	phba->fcp_poll_timer.function = lpfc_poll_timeout;
J
James Smart 已提交
2022
	phba->fcp_poll_timer.data = (unsigned long) phba;
2023 2024 2025
	init_timer(&phba->fabric_block_timer);
	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
	phba->fabric_block_timer.data = (unsigned long) phba;
已提交
2026 2027

	pci_set_master(pdev);
R
Randy Dunlap 已提交
2028
	pci_try_set_mwi(pdev);
已提交
2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043

	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);

2044
	/* Map HBA SLIM to a kernel virtual address. */
已提交
2045
	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
2046 2047 2048 2049 2050 2051 2052 2053
	if (!phba->slim_memmap_p) {
		error = -ENODEV;
		dev_printk(KERN_ERR, &pdev->dev,
			   "ioremap failed for SLIM memory.\n");
		goto out_idr_remove;
	}

	/* Map HBA Control Registers to a kernel virtual address. */
已提交
2054
	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2055 2056 2057 2058 2059 2060
	if (!phba->ctrl_regs_memmap_p) {
		error = -ENODEV;
		dev_printk(KERN_ERR, &pdev->dev,
			   "ioremap failed for HBA control registers.\n");
		goto out_iounmap_slim;
	}
已提交
2061 2062 2063 2064 2065 2066 2067

	/* 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;

2068
	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
已提交
2069

2070 2071 2072 2073 2074 2075 2076
	phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
						 lpfc_sli_hbq_size(),
						 &phba->hbqslimp.phys,
						 GFP_KERNEL);
	if (!phba->hbqslimp.virt)
		goto out_free_slim;

2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
	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;

2088 2089
	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());

2090 2091
	INIT_LIST_HEAD(&phba->hbqbuf_in_list);

已提交
2092 2093 2094 2095
	/* Initialize the SLI Layer to run with lpfc HBAs. */
	lpfc_sli_setup(phba);
	lpfc_sli_queue_setup(phba);

2096 2097 2098
	retval = lpfc_mem_alloc(phba);
	if (retval) {
		error = retval;
2099
		goto out_free_hbqslimp;
2100
	}
已提交
2101 2102 2103 2104

	/* Initialize and populate the iocb list per host.  */
	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2105
		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
已提交
2106 2107 2108 2109 2110 2111 2112 2113
		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;
		}

2114 2115 2116 2117 2118 2119 2120 2121 2122
		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",
				__FUNCTION__);
			error = -ENOMEM;
			goto out_free_iocbq;
		}
J
James Smart 已提交
2123 2124

		spin_lock_irq(&phba->hbalock);
已提交
2125 2126
		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
		phba->total_iocbq_bufs++;
J
James Smart 已提交
2127
		spin_unlock_irq(&phba->hbalock);
已提交
2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148
	}

	/* 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;
	}

	/* Initialize the list of scsi buffers used by driver for scsi IO. */
2149
	spin_lock_init(&phba->scsi_buf_list_lock);
已提交
2150 2151
	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);

2152 2153 2154
	/* Initialize list of fabric iocbs */
	INIT_LIST_HEAD(&phba->fabric_iocb_list);

2155 2156 2157
	/* Initialize list to save ELS buffers */
	INIT_LIST_HEAD(&phba->elsbuf);

2158
	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
J
James Smart 已提交
2159 2160 2161 2162 2163
	if (!vport)
		goto out_kthread_stop;

	shost = lpfc_shost_from_vport(vport);
	phba->pport = vport;
J
James Smart 已提交
2164
	lpfc_debugfs_initialize(vport);
J
James Smart 已提交
2165

2166
	pci_set_drvdata(pdev, shost);
2167 2168 2169 2170 2171 2172 2173
	phba->intr_type = NONE;

	if (phba->cfg_use_msi == 2) {
		error = lpfc_enable_msix(phba);
		if (!error)
			phba->intr_type = MSIX;
	}
已提交
2174

2175 2176
	/* Fallback to MSI if MSI-X initialization failed */
	if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2177 2178
		retval = pci_enable_msi(phba->pcidev);
		if (!retval)
2179
			phba->intr_type = MSI;
2180
		else
2181 2182 2183
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"0452 Enable MSI failed, continuing "
					"with IRQ\n");
2184 2185
	}

2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196
	/* MSI-X is the only case the doesn't need to call request_irq */
	if (phba->intr_type != MSIX) {
		retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
		if (retval) {
			lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable "
					"interrupt handler failed\n");
			error = retval;
			goto out_disable_msi;
		} else if (phba->intr_type != MSI)
			phba->intr_type = INTx;
已提交
2197 2198
	}

J
James Smart 已提交
2199 2200 2201 2202 2203 2204
	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;

2205 2206
	if (lpfc_alloc_sysfs_attr(vport)) {
		error = -ENOMEM;
已提交
2207
		goto out_free_irq;
2208
	}
2209

2210 2211
	if (lpfc_sli_hba_setup(phba)) {
		error = -ENODEV;
J
James Smart 已提交
2212
		goto out_remove_device;
2213
	}
J
James Smart 已提交
2214 2215 2216 2217 2218 2219 2220 2221 2222

	/*
	 * hba setup may have changed the hba_queue_depth so we need to adjust
	 * the value of can_queue.
	 */
	shost->can_queue = phba->cfg_hba_queue_depth - 10;

	lpfc_host_attrib_init(shost);

J
James Smart 已提交
2223 2224 2225 2226 2227
	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);
	}
已提交
2228

J
James Smart 已提交
2229
	scsi_scan_host(shost);
已提交
2230 2231 2232

	return 0;

J
James Smart 已提交
2233 2234 2235
out_remove_device:
	lpfc_free_sysfs_attr(vport);
	spin_lock_irq(shost->host_lock);
2236
	vport->load_flag |= FC_UNLOADING;
J
James Smart 已提交
2237
	spin_unlock_irq(shost->host_lock);
已提交
2238
out_free_irq:
2239
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2240
	phba->pport->work_port_events = 0;
2241 2242 2243 2244 2245 2246

	if (phba->intr_type == MSIX)
		lpfc_disable_msix(phba);
	else
		free_irq(phba->pcidev->irq, phba);

2247
out_disable_msi:
2248
	if (phba->intr_type == MSI)
2249
		pci_disable_msi(phba->pcidev);
J
James Smart 已提交
2250
	destroy_port(vport);
已提交
2251 2252 2253 2254 2255 2256 2257 2258 2259
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) {
		kfree(iocbq_entry);
		phba->total_iocbq_bufs--;
	}
	lpfc_mem_free(phba);
2260 2261 2262
out_free_hbqslimp:
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);
已提交
2263 2264 2265 2266 2267
out_free_slim:
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
							phba->slim2p_mapping);
out_iounmap:
	iounmap(phba->ctrl_regs_memmap_p);
2268
out_iounmap_slim:
已提交
2269 2270 2271
	iounmap(phba->slim_memmap_p);
out_idr_remove:
	idr_remove(&lpfc_hba_index, phba->brd_no);
J
James Smart 已提交
2272 2273
out_free_phba:
	kfree(phba);
已提交
2274
out_release_regions:
2275
	pci_release_selected_regions(pdev, bars);
已提交
2276 2277 2278
out_disable_device:
	pci_disable_device(pdev);
out:
2279
	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2280 2281
	if (shost)
		scsi_host_put(shost);
已提交
2282 2283 2284 2285 2286 2287
	return error;
}

static void __devexit
lpfc_pci_remove_one(struct pci_dev *pdev)
{
J
James Smart 已提交
2288 2289 2290
	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
2291 2292
	int bars = pci_select_bars(pdev, IORESOURCE_MEM);

2293
	spin_lock_irq(&phba->hbalock);
2294
	vport->load_flag |= FC_UNLOADING;
2295
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
2296

J
James Smart 已提交
2297 2298 2299
	kfree(vport->vname);
	lpfc_free_sysfs_attr(vport);

2300 2301
	kthread_stop(phba->worker_thread);

J
James Smart 已提交
2302 2303
	fc_remove_host(shost);
	scsi_remove_host(shost);
2304 2305
	lpfc_cleanup(vport);

J
James Smart 已提交
2306 2307 2308 2309 2310 2311 2312 2313
	/*
	 * 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);
	lpfc_sli_brdrestart(phba);

2314
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2315 2316 2317 2318 2319
	spin_lock_irq(&phba->hbalock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->hbalock);

	lpfc_debugfs_terminate(vport);
J
James Smart 已提交
2320

2321 2322 2323 2324 2325 2326 2327
	if (phba->intr_type == MSIX)
		lpfc_disable_msix(phba);
	else {
		free_irq(phba->pcidev->irq, phba);
		if (phba->intr_type == MSI)
			pci_disable_msi(phba->pcidev);
	}
已提交
2328 2329

	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2330
	scsi_host_put(shost);
J
James Smart 已提交
2331 2332 2333 2334 2335 2336 2337 2338

	/*
	 * Call scsi_free before mem_free since scsi bufs are released to their
	 * corresponding pools here.
	 */
	lpfc_scsi_free(phba);
	lpfc_mem_free(phba);

2339 2340 2341
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);

J
James Smart 已提交
2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353
	/* 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);

	idr_remove(&lpfc_hba_index, phba->brd_no);

	kfree(phba);

2354
	pci_release_selected_regions(pdev, bars);
J
James Smart 已提交
2355
	pci_disable_device(pdev);
已提交
2356 2357
}

2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368
/**
 * lpfc_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci conneection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
				pci_channel_state_t state)
{
2369 2370
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2371 2372 2373
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring  *pring;

2374
	if (state == pci_channel_io_perm_failure)
2375
		return PCI_ERS_RESULT_DISCONNECT;
2376

2377 2378 2379 2380 2381 2382 2383 2384 2385
	pci_disable_device(pdev);
	/*
	 * There may be 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);

2386 2387 2388 2389 2390 2391 2392
	if (phba->intr_type == MSIX)
		lpfc_disable_msix(phba);
	else {
		free_irq(phba->pcidev->irq, phba);
		if (phba->intr_type == MSI)
			pci_disable_msi(phba->pcidev);
	}
2393

2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405
	/* Request a slot reset. */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * lpfc_io_slot_reset - called after the pci bus has been reset.
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
{
2406 2407
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2408 2409 2410
	struct lpfc_sli *psli = &phba->sli;

	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2411
	if (pci_enable_device_mem(pdev)) {
2412 2413 2414 2415 2416 2417 2418 2419
		printk(KERN_ERR "lpfc: Cannot re-enable "
			"PCI device after reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);

	/* Re-establishing Link */
2420
	spin_lock_irq(shost->host_lock);
2421
	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2422
	spin_unlock_irq(shost->host_lock);
2423

2424
	spin_lock_irq(&phba->hbalock);
2425
	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2426
	spin_unlock_irq(&phba->hbalock);
2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444


	/* Take device offline; this will perform cleanup */
	lpfc_offline(phba);
	lpfc_sli_brdrestart(phba);

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * lpfc_io_resume - called when traffic can start flowing again.
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void lpfc_io_resume(struct pci_dev *pdev)
{
2445 2446
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2447 2448 2449 2450 2451 2452

	if (lpfc_online(phba) == 0) {
		mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
	}
}

已提交
2453 2454 2455
static struct pci_device_id lpfc_id_table[] = {
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
		PCI_ANY_ID, PCI_ANY_ID, },
2456 2457
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
		PCI_ANY_ID, PCI_ANY_ID, },
已提交
2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471
	{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, },
2472 2473 2474 2475 2476 2477
	{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, },
已提交
2478 2479
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
		PCI_ANY_ID, PCI_ANY_ID, },
2480 2481 2482 2483
	{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, },
已提交
2484 2485 2486 2487 2488 2489
	{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, },
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	{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, },
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	{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, },
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	{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, },
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	{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, },
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	{ 0 }
};

MODULE_DEVICE_TABLE(pci, lpfc_id_table);

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static struct pci_error_handlers lpfc_err_handler = {
	.error_detected = lpfc_io_error_detected,
	.slot_reset = lpfc_io_slot_reset,
	.resume = lpfc_io_resume,
};

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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),
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	.err_handler    = &lpfc_err_handler,
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};

static int __init
lpfc_init(void)
{
	int error = 0;

	printk(LPFC_MODULE_DESC "\n");
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	printk(LPFC_COPYRIGHT "\n");
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	if (lpfc_enable_npiv) {
		lpfc_transport_functions.vport_create = lpfc_vport_create;
		lpfc_transport_functions.vport_delete = lpfc_vport_delete;
	}
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	lpfc_transport_template =
				fc_attach_transport(&lpfc_transport_functions);
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	if (lpfc_transport_template == NULL)
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		return -ENOMEM;
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	if (lpfc_enable_npiv) {
		lpfc_vport_transport_template =
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			fc_attach_transport(&lpfc_vport_transport_functions);
		if (lpfc_vport_transport_template == NULL) {
			fc_release_transport(lpfc_transport_template);
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			return -ENOMEM;
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		}
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	}
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	error = pci_register_driver(&lpfc_driver);
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	if (error) {
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		fc_release_transport(lpfc_transport_template);
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		fc_release_transport(lpfc_vport_transport_template);
	}
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	return error;
}

static void __exit
lpfc_exit(void)
{
	pci_unregister_driver(&lpfc_driver);
	fc_release_transport(lpfc_transport_template);
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	if (lpfc_enable_npiv)
		fc_release_transport(lpfc_vport_transport_template);
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}

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);