lpfc_init.c 73.1 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);
	}	return 0;
已提交
479 480
}

481 482 483 484 485 486 487 488 489 490
/************************************************************************/
/*                                                                      */
/*    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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491
lpfc_hba_down_post(struct lpfc_hba *phba)
492 493 494 495
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	struct lpfc_dmabuf *mp, *next_mp;
496 497 498
	struct lpfc_iocbq *iocb;
	IOCB_t *cmd = NULL;
	LIST_HEAD(completions);
499 500
	int i;

501 502 503 504 505 506 507 508 509 510 511
	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);
		}
512 513
	}

514
	spin_lock_irq(&phba->hbalock);
515 516
	for (i = 0; i < psli->num_rings; i++) {
		pring = &psli->ring[i];
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539

		/* 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);
			}
		}

540
		lpfc_sli_abort_iocb_ring(phba, pring);
541
		spin_lock_irq(&phba->hbalock);
542
	}
543
	spin_unlock_irq(&phba->hbalock);
544 545 546 547

	return 0;
}

J
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548
/* HBA heart beat timeout handler */
A
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549
static void
J
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550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577
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) &&
578
		!(phba->pport->load_flag & FC_UNLOADING))
J
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579 580 581 582 583 584 585 586 587
		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;
588
	struct lpfc_dmabuf *buf_ptr;
J
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589 590
	int retval;
	struct lpfc_sli *psli = &phba->sli;
591
	LIST_HEAD(completions);
J
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592 593

	if ((phba->link_state == LPFC_HBA_ERROR) ||
594
		(phba->pport->load_flag & FC_UNLOADING) ||
J
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595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
		(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);

618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634
	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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635
	/* If there is no heart beat outstanding, issue a heartbeat command */
636 637 638 639 640 641 642 643
	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
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644

645 646 647 648
			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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649

650 651 652 653 654 655
			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;
			}
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656
			mod_timer(&phba->hb_tmofunc,
657 658
				  jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
			phba->hb_outstanding = 1;
J
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659
			return;
660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677
		} 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
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678 679 680 681
		}
	}
}

682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701
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
702 703 704 705 706 707 708 709 710
/************************************************************************/
/*                                                                      */
/*    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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711
lpfc_handle_eratt(struct lpfc_hba *phba)
已提交
712
{
J
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713 714
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
715
	struct lpfc_sli_ring  *pring;
716
	struct lpfc_vport **vports;
717
	uint32_t event_data;
718 719
	unsigned long temperature;
	struct temp_event temp_event_data;
720
	struct Scsi_Host  *shost;
721
	int i;
J
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722

723 724 725 726
	/* 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;
727 728 729
	/* If resets are disabled then leave the HBA alone and return */
	if (!phba->cfg_enable_hba_reset)
		return;
已提交
730

J
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731 732
	if (phba->work_hs & HS_FFER6 ||
	    phba->work_hs & HS_FFER5) {
已提交
733 734
		/* Re-establishing Link */
		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
735
				"1301 Re-establishing Link "
已提交
736
				"Data: x%x x%x x%x\n",
737
				phba->work_hs,
已提交
738
				phba->work_status[0], phba->work_status[1]);
739 740 741
		vports = lpfc_create_vport_work_array(phba);
		if (vports != NULL)
			for(i = 0;
742
			    i <= phba->max_vpi && vports[i] != NULL;
743 744 745 746 747 748
			    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);
			}
749
		lpfc_destroy_vport_work_array(phba, vports);
750
		spin_lock_irq(&phba->hbalock);
751
		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
752
		spin_unlock_irq(&phba->hbalock);
已提交
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767

		/*
		* 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.
		 */
768
		lpfc_offline_prep(phba);
已提交
769
		lpfc_offline(phba);
770
		lpfc_sli_brdrestart(phba);
已提交
771 772
		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
773
			lpfc_unblock_mgmt_io(phba);
已提交
774 775
			return;
		}
776
		lpfc_unblock_mgmt_io(phba);
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796
	} 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);

797 798 799
		spin_lock_irq(&phba->hbalock);
		phba->over_temp_state = HBA_OVER_TEMP;
		spin_unlock_irq(&phba->hbalock);
800
		lpfc_offline_eratt(phba);
801

已提交
802 803 804 805 806 807
	} 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,
808
				"0457 Adapter Hardware Error "
已提交
809
				"Data: x%x x%x x%x\n",
810
				phba->work_hs,
已提交
811 812
				phba->work_status[0], phba->work_status[1]);

813
		event_data = FC_REG_DUMP_EVENT;
814
		shost = lpfc_shost_from_vport(vport);
J
James Smart 已提交
815
		fc_host_post_vendor_event(shost, fc_get_event_number(),
816 817 818
				sizeof(event_data), (char *) &event_data,
				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);

819
		lpfc_offline_eratt(phba);
已提交
820 821 822 823 824 825 826 827 828 829 830 831
	}
}

/************************************************************************/
/*                                                                      */
/*    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
832
lpfc_handle_latt(struct lpfc_hba *phba)
已提交
833
{
J
James Smart 已提交
834 835
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
836 837 838
	LPFC_MBOXQ_t *pmb;
	volatile uint32_t control;
	struct lpfc_dmabuf *mp;
839
	int rc = 0;
已提交
840 841

	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
842 843
	if (!pmb) {
		rc = 1;
已提交
844
		goto lpfc_handle_latt_err_exit;
845
	}
已提交
846 847

	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
848 849
	if (!mp) {
		rc = 2;
已提交
850
		goto lpfc_handle_latt_free_pmb;
851
	}
已提交
852 853

	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
854 855
	if (!mp->virt) {
		rc = 3;
已提交
856
		goto lpfc_handle_latt_free_mp;
857
	}
已提交
858

859
	/* Cleanup any outstanding ELS commands */
860
	lpfc_els_flush_all_cmd(phba);
已提交
861 862 863 864

	psli->slistat.link_event++;
	lpfc_read_la(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
J
James Smart 已提交
865
	pmb->vport = vport;
866
	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
867 868
	if (rc == MBX_NOT_FINISHED) {
		rc = 4;
869
		goto lpfc_handle_latt_free_mbuf;
870
	}
已提交
871 872

	/* Clear Link Attention in HA REG */
J
James Smart 已提交
873
	spin_lock_irq(&phba->hbalock);
已提交
874 875
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
J
James Smart 已提交
876
	spin_unlock_irq(&phba->hbalock);
已提交
877 878 879

	return;

880 881
lpfc_handle_latt_free_mbuf:
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
已提交
882 883 884
lpfc_handle_latt_free_mp:
	kfree(mp);
lpfc_handle_latt_free_pmb:
885
	mempool_free(pmb, phba->mbox_mem_pool);
已提交
886 887
lpfc_handle_latt_err_exit:
	/* Enable Link attention interrupts */
J
James Smart 已提交
888
	spin_lock_irq(&phba->hbalock);
已提交
889 890 891 892 893 894 895 896 897
	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
898
	spin_unlock_irq(&phba->hbalock);
已提交
899
	lpfc_linkdown(phba);
J
James Smart 已提交
900
	phba->link_state = LPFC_HBA_ERROR;
已提交
901

902 903
	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
		     "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
已提交
904 905 906 907 908 909 910 911 912 913 914

	return;
}

/************************************************************************/
/*                                                                      */
/*   lpfc_parse_vpd                                                     */
/*   This routine will parse the VPD data                               */
/*                                                                      */
/************************************************************************/
static int
J
James Smart 已提交
915
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
已提交
916 917
{
	uint8_t lenlo, lenhi;
918
	int Length;
已提交
919 920 921 922 923 924 925 926
	int i, j;
	int finished = 0;
	int index = 0;

	if (!vpd)
		return 0;

	/* Vital Product */
927
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
928
			"0455 Vital Product Data: x%x x%x x%x x%x\n",
已提交
929 930
			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
			(uint32_t) vpd[3]);
931
	while (!finished && (index < (len - 4))) {
已提交
932 933
		switch (vpd[index]) {
		case 0x82:
934
		case 0x91:
已提交
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949
			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);
950 951
			if (Length > len - index)
				Length = len - index;
已提交
952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 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
			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;
		}
1045
	}
已提交
1046 1047 1048 1049 1050

	return(1);
}

static void
J
James Smart 已提交
1051
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
已提交
1052 1053
{
	lpfc_vpd_t *vp;
1054
	uint16_t dev_id = phba->pcidev->device;
1055 1056 1057 1058 1059
	int max_speed;
	struct {
		char * name;
		int    max_speed;
		char * bus;
1060
	} m = {"<Unknown>", 0, ""};
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075

	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
1076 1077 1078

	vp = &phba->vpd;

1079
	switch (dev_id) {
1080
	case PCI_DEVICE_ID_FIREFLY:
1081
		m = (typeof(m)){"LP6000", max_speed, "PCI"};
1082
		break;
已提交
1083 1084
	case PCI_DEVICE_ID_SUPERFLY:
		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1085
			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
已提交
1086
		else
1087
			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
已提交
1088 1089
		break;
	case PCI_DEVICE_ID_DRAGONFLY:
1090
		m = (typeof(m)){"LP8000", max_speed, "PCI"};
已提交
1091 1092 1093
		break;
	case PCI_DEVICE_ID_CENTAUR:
		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1094
			m = (typeof(m)){"LP9002", max_speed, "PCI"};
已提交
1095
		else
1096
			m = (typeof(m)){"LP9000", max_speed, "PCI"};
已提交
1097 1098
		break;
	case PCI_DEVICE_ID_RFLY:
1099
		m = (typeof(m)){"LP952", max_speed, "PCI"};
已提交
1100 1101
		break;
	case PCI_DEVICE_ID_PEGASUS:
1102
		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
已提交
1103 1104
		break;
	case PCI_DEVICE_ID_THOR:
1105
		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
已提交
1106 1107
		break;
	case PCI_DEVICE_ID_VIPER:
1108
		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
已提交
1109 1110
		break;
	case PCI_DEVICE_ID_PFLY:
1111
		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
已提交
1112 1113
		break;
	case PCI_DEVICE_ID_TFLY:
1114
		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
已提交
1115 1116
		break;
	case PCI_DEVICE_ID_HELIOS:
1117
		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
已提交
1118
		break;
1119
	case PCI_DEVICE_ID_HELIOS_SCSP:
1120
		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1121 1122
		break;
	case PCI_DEVICE_ID_HELIOS_DCSP:
1123
		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1124 1125
		break;
	case PCI_DEVICE_ID_NEPTUNE:
1126
		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1127 1128
		break;
	case PCI_DEVICE_ID_NEPTUNE_SCSP:
1129
		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1130 1131
		break;
	case PCI_DEVICE_ID_NEPTUNE_DCSP:
1132
		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1133
		break;
已提交
1134
	case PCI_DEVICE_ID_BMID:
1135
		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
已提交
1136 1137
		break;
	case PCI_DEVICE_ID_BSMB:
1138
		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
已提交
1139 1140
		break;
	case PCI_DEVICE_ID_ZEPHYR:
1141
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
已提交
1142
		break;
1143
	case PCI_DEVICE_ID_ZEPHYR_SCSP:
1144
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1145 1146
		break;
	case PCI_DEVICE_ID_ZEPHYR_DCSP:
1147
		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1148
		break;
已提交
1149
	case PCI_DEVICE_ID_ZMID:
1150
		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
已提交
1151 1152
		break;
	case PCI_DEVICE_ID_ZSMB:
1153
		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
已提交
1154 1155
		break;
	case PCI_DEVICE_ID_LP101:
1156
		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
已提交
1157 1158
		break;
	case PCI_DEVICE_ID_LP10000S:
1159
		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1160
		break;
1161
	case PCI_DEVICE_ID_LP11000S:
1162 1163 1164
		m = (typeof(m)){"LP11000-S", max_speed,
			"PCI-X2"};
		break;
1165
	case PCI_DEVICE_ID_LPE11000S:
1166 1167
		m = (typeof(m)){"LPe11000-S", max_speed,
			"PCIe"};
1168
		break;
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
	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;
1187
	default:
R
Randy Dunlap 已提交
1188
		m = (typeof(m)){ NULL };
1189
		break;
已提交
1190
	}
1191 1192 1193 1194 1195

	if (mdp && mdp[0] == '\0')
		snprintf(mdp, 79,"%s", m.name);
	if (descp && descp[0] == '\0')
		snprintf(descp, 255,
1196 1197
			 "Emulex %s %dGb %s Fibre Channel Adapter",
			 m.name, m.max_speed, m.bus);
已提交
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
}

/**************************************************/
/*   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
1209
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
已提交
1210 1211 1212
		 int type)
{
	IOCB_t *icmd;
1213
	struct lpfc_iocbq *iocb;
已提交
1214 1215 1216 1217 1218 1219 1220
	struct lpfc_dmabuf *mp1, *mp2;

	cnt += pring->missbufcnt;

	/* While there are buffers to post */
	while (cnt > 0) {
		/* Allocate buffer for  command iocb */
1221
		iocb = lpfc_sli_get_iocbq(phba);
已提交
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231
		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)
1232 1233
		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
		if (!mp1 || !mp1->virt) {
J
Jesper Juhl 已提交
1234
			kfree(mp1);
1235
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246
			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);
1247
			if (!mp2 || !mp2->virt) {
J
Jesper Juhl 已提交
1248
				kfree(mp2);
已提交
1249 1250
				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
				kfree(mp1);
1251
				lpfc_sli_release_iocbq(phba, iocb);
已提交
1252 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
				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++;
			}
1286
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1287 1288 1289 1290
			pring->missbufcnt = cnt;
			return cnt;
		}
		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1291
		if (mp2)
已提交
1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304
			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
1305
lpfc_post_rcv_buf(struct lpfc_hba *phba)
已提交
1306 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
{
	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
1406
	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
已提交
1407

1408
	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
已提交
1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422
	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);
}

1423
void
J
James Smart 已提交
1424
lpfc_cleanup(struct lpfc_vport *vport)
已提交
1425
{
1426
	struct lpfc_hba   *phba = vport->phba;
已提交
1427
	struct lpfc_nodelist *ndlp, *next_ndlp;
1428
	int i = 0;
已提交
1429

1430 1431 1432 1433
	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) {
1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455
		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);

1456 1457 1458
		if (ndlp->nlp_type & NLP_FABRIC)
			lpfc_disc_state_machine(vport, ndlp, NULL,
					NLP_EVT_DEVICE_RECOVERY);
1459

1460 1461 1462 1463
		lpfc_disc_state_machine(vport, ndlp, NULL,
					     NLP_EVT_DEVICE_RM);
	}

1464 1465 1466 1467
	/* 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.
	 */
1468 1469
	while (!list_empty(&vport->fc_nodes)) {

1470
		if (i++ > 3000) {
1471
			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1472
				"0233 Nodelist not empty\n");
1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483
			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));
			}
1484
			break;
1485
		}
1486 1487 1488

		/* Wait for any activity on ndlps to settle */
		msleep(10);
1489
	}
已提交
1490 1491 1492 1493 1494 1495
	return;
}

static void
lpfc_establish_link_tmo(unsigned long ptr)
{
1496
	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1497
	struct lpfc_vport **vports;
已提交
1498
	unsigned long iflag;
1499
	int i;
已提交
1500 1501 1502

	/* Re-establishing Link, timer expired */
	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1503
			"1300 Re-establishing Link, timer expired "
已提交
1504
			"Data: x%x x%x\n",
1505
			phba->pport->fc_flag, phba->pport->port_state);
1506 1507
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1508
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1509 1510 1511 1512 1513 1514
			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);
		}
1515
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1516 1517
}

1518 1519
void
lpfc_stop_vport_timers(struct lpfc_vport *vport)
已提交
1520
{
1521 1522 1523 1524
	del_timer_sync(&vport->els_tmofunc);
	del_timer_sync(&vport->fc_fdmitmo);
	lpfc_can_disctmo(vport);
	return;
已提交
1525 1526
}

J
James Smart 已提交
1527
static void
1528
lpfc_stop_phba_timers(struct lpfc_hba *phba)
已提交
1529
{
1530
	del_timer_sync(&phba->fcp_poll_timer);
已提交
1531
	del_timer_sync(&phba->fc_estabtmo);
1532
	lpfc_stop_vport_timers(phba->pport);
J
James Smart 已提交
1533
	del_timer_sync(&phba->sli.mbox_tmo);
1534
	del_timer_sync(&phba->fabric_block_timer);
J
James Smart 已提交
1535 1536
	phba->hb_outstanding = 0;
	del_timer_sync(&phba->hb_tmofunc);
J
James Smart 已提交
1537
	return;
已提交
1538 1539
}

A
Adrian Bunk 已提交
1540 1541 1542 1543 1544 1545 1546 1547 1548 1549
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
1550
int
J
James Smart 已提交
1551
lpfc_online(struct lpfc_hba *phba)
已提交
1552
{
J
James Smart 已提交
1553
	struct lpfc_vport *vport = phba->pport;
1554 1555
	struct lpfc_vport **vports;
	int i;
J
James Smart 已提交
1556

已提交
1557 1558 1559
	if (!phba)
		return 0;

J
James Smart 已提交
1560
	if (!(vport->fc_flag & FC_OFFLINE_MODE))
已提交
1561 1562
		return 0;

1563
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1564
			"0458 Bring Adapter online\n");
已提交
1565

1566 1567 1568 1569
	lpfc_block_mgmt_io(phba);

	if (!lpfc_sli_queue_setup(phba)) {
		lpfc_unblock_mgmt_io(phba);
已提交
1570
		return 1;
1571
	}
已提交
1572

1573 1574
	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
		lpfc_unblock_mgmt_io(phba);
已提交
1575
		return 1;
1576
	}
已提交
1577

1578 1579
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1580
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1581 1582 1583 1584 1585 1586 1587 1588
			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);
		}
1589
		lpfc_destroy_vport_work_array(phba, vports);
已提交
1590

1591
	lpfc_unblock_mgmt_io(phba);
已提交
1592 1593 1594
	return 0;
}

1595 1596 1597 1598 1599
void
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
{
	unsigned long iflag;

J
James Smart 已提交
1600 1601 1602
	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
1603 1604 1605 1606 1607
}

void
lpfc_offline_prep(struct lpfc_hba * phba)
{
J
James Smart 已提交
1608
	struct lpfc_vport *vport = phba->pport;
1609
	struct lpfc_nodelist  *ndlp, *next_ndlp;
1610 1611
	struct lpfc_vport **vports;
	int i;
已提交
1612

J
James Smart 已提交
1613
	if (vport->fc_flag & FC_OFFLINE_MODE)
1614
		return;
已提交
1615

1616
	lpfc_block_mgmt_io(phba);
已提交
1617 1618 1619

	lpfc_linkdown(phba);

1620 1621 1622
	/* Issue an unreg_login to all nodes on all vports */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL) {
1623
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1624 1625
			struct Scsi_Host *shost;

1626 1627
			if (vports[i]->load_flag & FC_UNLOADING)
				continue;
1628 1629 1630 1631
			shost =	lpfc_shost_from_vport(vports[i]);
			list_for_each_entry_safe(ndlp, next_ndlp,
						 &vports[i]->fc_nodes,
						 nlp_listp) {
1632 1633
				if (!NLP_CHK_NODE_ACT(ndlp))
					continue;
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648
				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);
			}
		}
	}
1649
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1650

1651 1652 1653 1654
	lpfc_sli_flush_mbox_queue(phba);
}

void
J
James Smart 已提交
1655
lpfc_offline(struct lpfc_hba *phba)
1656
{
1657 1658 1659
	struct Scsi_Host  *shost;
	struct lpfc_vport **vports;
	int i;
1660

1661
	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1662
		return;
1663

已提交
1664
	/* stop all timers associated with this hba */
1665
	lpfc_stop_phba_timers(phba);
1666 1667
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1668
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1669
			lpfc_stop_vport_timers(vports[i]);
1670
	lpfc_destroy_vport_work_array(phba, vports);
1671
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1672
			"0460 Bring Adapter offline\n");
已提交
1673 1674 1675
	/* Bring down the SLI Layer and cleanup.  The HBA is offline
	   now.  */
	lpfc_sli_hba_down(phba);
1676
	spin_lock_irq(&phba->hbalock);
1677
	phba->work_ha = 0;
1678
	spin_unlock_irq(&phba->hbalock);
1679 1680
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1681
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1682 1683 1684 1685 1686 1687
			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);
		}
1688
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1689 1690 1691 1692 1693 1694 1695 1696 1697
}

/******************************************************************************
* Function name: lpfc_scsi_free
*
* Description: Called from lpfc_pci_remove_one free internal driver resources
*
******************************************************************************/
static int
J
James Smart 已提交
1698
lpfc_scsi_free(struct lpfc_hba *phba)
已提交
1699 1700 1701 1702
{
	struct lpfc_scsi_buf *sb, *sb_next;
	struct lpfc_iocbq *io, *io_next;

J
James Smart 已提交
1703
	spin_lock_irq(&phba->hbalock);
已提交
1704 1705 1706 1707
	/* 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,
1708
			      sb->dma_handle);
已提交
1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719
		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
1720
	spin_unlock_irq(&phba->hbalock);
已提交
1721 1722 1723 1724

	return 0;
}

J
James Smart 已提交
1725
struct lpfc_vport *
1726
lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1727
{
J
James Smart 已提交
1728 1729 1730
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost;
	int error = 0;
1731

1732 1733 1734 1735 1736 1737
	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
1738 1739
	if (!shost)
		goto out;
1740

J
James Smart 已提交
1741 1742
	vport = (struct lpfc_vport *) shost->hostdata;
	vport->phba = phba;
1743

J
James Smart 已提交
1744
	vport->load_flag |= FC_LOADING;
1745
	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1746

1747
	lpfc_get_vport_cfgparam(vport);
J
James Smart 已提交
1748 1749
	shost->unique_id = instance;
	shost->max_id = LPFC_MAX_TARGET;
1750
	shost->max_lun = vport->cfg_max_luns;
J
James Smart 已提交
1751 1752
	shost->this_id = -1;
	shost->max_cmd_len = 16;
1753
	/*
J
James Smart 已提交
1754 1755 1756
	 * 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.
1757
	 */
J
James Smart 已提交
1758
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1759
	if (dev != &phba->pcidev->dev) {
1760 1761 1762 1763 1764 1765
		shost->transportt = lpfc_vport_transport_template;
		vport->port_type = LPFC_NPIV_PORT;
	} else {
		shost->transportt = lpfc_transport_template;
		vport->port_type = LPFC_PHYSICAL_PORT;
	}
1766

J
James Smart 已提交
1767 1768 1769
	/* Initialize all internally managed lists. */
	INIT_LIST_HEAD(&vport->fc_nodes);
	spin_lock_init(&vport->work_port_lock);
1770

J
James Smart 已提交
1771 1772
	init_timer(&vport->fc_disctmo);
	vport->fc_disctmo.function = lpfc_disc_timeout;
1773
	vport->fc_disctmo.data = (unsigned long)vport;
1774

J
James Smart 已提交
1775 1776
	init_timer(&vport->fc_fdmitmo);
	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1777
	vport->fc_fdmitmo.data = (unsigned long)vport;
1778

J
James Smart 已提交
1779 1780
	init_timer(&vport->els_tmofunc);
	vport->els_tmofunc.function = lpfc_els_timeout;
1781
	vport->els_tmofunc.data = (unsigned long)vport;
1782

1783
	error = scsi_add_host(shost, dev);
J
James Smart 已提交
1784 1785
	if (error)
		goto out_put_shost;
1786

1787
	spin_lock_irq(&phba->hbalock);
J
James Smart 已提交
1788
	list_add_tail(&vport->listentry, &phba->port_list);
1789
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
1790
	return vport;
1791

J
James Smart 已提交
1792 1793 1794 1795
out_put_shost:
	scsi_host_put(shost);
out:
	return NULL;
1796 1797
}

J
James Smart 已提交
1798 1799
void
destroy_port(struct lpfc_vport *vport)
1800
{
1801 1802
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	struct lpfc_hba  *phba = vport->phba;
1803

1804
	kfree(vport->vname);
1805

J
James Smart 已提交
1806
	lpfc_debugfs_terminate(vport);
1807 1808
	fc_remove_host(shost);
	scsi_remove_host(shost);
1809

1810 1811 1812
	spin_lock_irq(&phba->hbalock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->hbalock);
1813

1814
	lpfc_cleanup(vport);
1815 1816 1817
	return;
}

1818 1819 1820 1821
int
lpfc_get_instance(void)
{
	int instance = 0;
1822

1823 1824 1825 1826 1827 1828
	/* 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;
1829 1830
}

J
James Smart 已提交
1831 1832 1833 1834
/*
 * Note: there is no scan_start function as adapter initialization
 * will have asynchronously kicked off the link initialization.
 */
1835 1836 1837

int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
J
James Smart 已提交
1838 1839
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
J
James Smart 已提交
1840
	int stat = 0;
1841

J
James Smart 已提交
1842 1843
	spin_lock_irq(shost->host_lock);

1844
	if (vport->load_flag & FC_UNLOADING) {
J
James Smart 已提交
1845 1846 1847
		stat = 1;
		goto finished;
	}
J
James Smart 已提交
1848 1849
	if (time >= 30 * HZ) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1850 1851
				"0461 Scanning longer than 30 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1852
		stat = 1;
1853
		goto finished;
J
James Smart 已提交
1854 1855 1856
	}
	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1857 1858
				"0465 Link down longer than 15 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1859
		stat = 1;
1860
		goto finished;
J
James Smart 已提交
1861
	}
1862

J
James Smart 已提交
1863
	if (vport->port_state != LPFC_VPORT_READY)
J
James Smart 已提交
1864
		goto finished;
J
James Smart 已提交
1865
	if (vport->num_disc_nodes || vport->fc_prli_sent)
J
James Smart 已提交
1866
		goto finished;
J
James Smart 已提交
1867
	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
J
James Smart 已提交
1868
		goto finished;
J
James Smart 已提交
1869
	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
J
James Smart 已提交
1870 1871 1872
		goto finished;

	stat = 1;
1873 1874

finished:
J
James Smart 已提交
1875 1876
	spin_unlock_irq(shost->host_lock);
	return stat;
1877
}
1878

1879 1880 1881 1882
void lpfc_host_attrib_init(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
1883
	/*
J
James Smart 已提交
1884
	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1885 1886
	 */

J
James Smart 已提交
1887 1888
	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);
1889 1890 1891
	fc_host_supported_classes(shost) = FC_COS_CLASS3;

	memset(fc_host_supported_fc4s(shost), 0,
J
James Smart 已提交
1892
	       sizeof(fc_host_supported_fc4s(shost)));
1893 1894 1895
	fc_host_supported_fc4s(shost)[2] = 1;
	fc_host_supported_fc4s(shost)[7] = 1;

1896 1897
	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
				 sizeof fc_host_symbolic_name(shost));
1898 1899 1900 1901

	fc_host_supported_speeds(shost) = 0;
	if (phba->lmt & LMT_10Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1902 1903
	if (phba->lmt & LMT_8Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1904 1905 1906 1907 1908 1909 1910 1911
	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
1912 1913
		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1914 1915 1916

	/* This value is also unchanging */
	memset(fc_host_active_fc4s(shost), 0,
J
James Smart 已提交
1917
	       sizeof(fc_host_active_fc4s(shost)));
1918 1919 1920
	fc_host_active_fc4s(shost)[2] = 1;
	fc_host_active_fc4s(shost)[7] = 1;

1921
	fc_host_max_npiv_vports(shost) = phba->max_vpi;
1922
	spin_lock_irq(shost->host_lock);
1923
	vport->load_flag &= ~FC_LOADING;
1924 1925
	spin_unlock_irq(shost->host_lock);
}
已提交
1926

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
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
1963 1964 1965
static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
J
James Smart 已提交
1966 1967 1968
	struct lpfc_vport *vport = NULL;
	struct lpfc_hba   *phba;
	struct lpfc_sli   *psli;
已提交
1969
	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
J
James Smart 已提交
1970
	struct Scsi_Host  *shost = NULL;
1971
	void *ptr;
已提交
1972
	unsigned long bar0map_len, bar2map_len;
1973
	int error = -ENODEV, retval;
1974
	int  i, hbq_count;
1975
	uint16_t iotag;
1976
	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
已提交
1977

1978
	if (pci_enable_device_mem(pdev))
已提交
1979
		goto out;
1980
	if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
已提交
1981 1982
		goto out_disable_device;

J
James Smart 已提交
1983 1984
	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
	if (!phba)
已提交
1985 1986
		goto out_release_regions;

J
James Smart 已提交
1987
	spin_lock_init(&phba->hbalock);
已提交
1988

1989 1990 1991
	/* Initialize ndlp management spinlock */
	spin_lock_init(&phba->ndlp_lock);

已提交
1992 1993 1994
	phba->pcidev = pdev;

	/* Assign an unused board number */
1995
	if ((phba->brd_no = lpfc_get_instance()) < 0)
J
James Smart 已提交
1996
		goto out_free_phba;
已提交
1997

J
James Smart 已提交
1998 1999 2000 2001 2002 2003
	INIT_LIST_HEAD(&phba->port_list);
	/*
	 * Get all the module params for configuring this host and then
	 * establish the host.
	 */
	lpfc_get_cfgparam(phba);
2004
	phba->max_vpi = LPFC_MAX_VPI;
已提交
2005 2006 2007 2008 2009

	/* 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
2010 2011 2012 2013 2014

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

已提交
2015 2016 2017
	psli = &phba->sli;
	init_timer(&psli->mbox_tmo);
	psli->mbox_tmo.function = lpfc_mbox_timeout;
J
James Smart 已提交
2018
	psli->mbox_tmo.data = (unsigned long) phba;
2019 2020
	init_timer(&phba->fcp_poll_timer);
	phba->fcp_poll_timer.function = lpfc_poll_timeout;
J
James Smart 已提交
2021
	phba->fcp_poll_timer.data = (unsigned long) phba;
2022 2023 2024
	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
2025 2026

	pci_set_master(pdev);
R
Randy Dunlap 已提交
2027
	pci_try_set_mwi(pdev);
已提交
2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042

	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);

2043
	/* Map HBA SLIM to a kernel virtual address. */
已提交
2044
	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
2045 2046 2047 2048 2049 2050 2051 2052
	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
2053
	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
2054 2055 2056 2057 2058 2059
	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
2060 2061 2062 2063 2064 2065 2066

	/* 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;

2067
	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
已提交
2068

2069 2070 2071 2072 2073 2074 2075
	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;

2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086
	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;

2087 2088
	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());

已提交
2089 2090 2091 2092
	/* Initialize the SLI Layer to run with lpfc HBAs. */
	lpfc_sli_setup(phba);
	lpfc_sli_queue_setup(phba);

2093 2094 2095
	retval = lpfc_mem_alloc(phba);
	if (retval) {
		error = retval;
2096
		goto out_free_hbqslimp;
2097
	}
已提交
2098 2099 2100 2101

	/* Initialize and populate the iocb list per host.  */
	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2102
		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
已提交
2103 2104 2105 2106 2107 2108 2109 2110
		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;
		}

2111 2112 2113 2114 2115 2116 2117 2118 2119
		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
2120 2121

		spin_lock_irq(&phba->hbalock);
已提交
2122 2123
		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
		phba->total_iocbq_bufs++;
J
James Smart 已提交
2124
		spin_unlock_irq(&phba->hbalock);
已提交
2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145
	}

	/* 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. */
2146
	spin_lock_init(&phba->scsi_buf_list_lock);
已提交
2147 2148
	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);

2149 2150 2151
	/* Initialize list of fabric iocbs */
	INIT_LIST_HEAD(&phba->fabric_iocb_list);

2152 2153 2154
	/* Initialize list to save ELS buffers */
	INIT_LIST_HEAD(&phba->elsbuf);

2155
	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
J
James Smart 已提交
2156 2157 2158 2159 2160
	if (!vport)
		goto out_kthread_stop;

	shost = lpfc_shost_from_vport(vport);
	phba->pport = vport;
J
James Smart 已提交
2161
	lpfc_debugfs_initialize(vport);
J
James Smart 已提交
2162

2163
	pci_set_drvdata(pdev, shost);
2164 2165 2166 2167 2168 2169 2170
	phba->intr_type = NONE;

	if (phba->cfg_use_msi == 2) {
		error = lpfc_enable_msix(phba);
		if (!error)
			phba->intr_type = MSIX;
	}
已提交
2171

2172 2173
	/* Fallback to MSI if MSI-X initialization failed */
	if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2174 2175
		retval = pci_enable_msi(phba->pcidev);
		if (!retval)
2176
			phba->intr_type = MSI;
2177
		else
2178 2179 2180
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"0452 Enable MSI failed, continuing "
					"with IRQ\n");
2181 2182
	}

2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193
	/* 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
2194 2195
	}

J
James Smart 已提交
2196 2197 2198 2199 2200 2201
	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;

2202 2203
	if (lpfc_alloc_sysfs_attr(vport)) {
		error = -ENOMEM;
已提交
2204
		goto out_free_irq;
2205
	}
2206

2207 2208
	if (lpfc_sli_hba_setup(phba)) {
		error = -ENODEV;
J
James Smart 已提交
2209
		goto out_remove_device;
2210
	}
J
James Smart 已提交
2211 2212 2213 2214 2215 2216 2217 2218 2219

	/*
	 * 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
2220 2221 2222 2223 2224
	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
2225

J
James Smart 已提交
2226
	scsi_scan_host(shost);
已提交
2227 2228 2229

	return 0;

J
James Smart 已提交
2230 2231 2232
out_remove_device:
	lpfc_free_sysfs_attr(vport);
	spin_lock_irq(shost->host_lock);
2233
	vport->load_flag |= FC_UNLOADING;
J
James Smart 已提交
2234
	spin_unlock_irq(shost->host_lock);
已提交
2235
out_free_irq:
2236
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2237
	phba->pport->work_port_events = 0;
2238 2239 2240 2241 2242 2243

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

2244
out_disable_msi:
2245
	if (phba->intr_type == MSI)
2246
		pci_disable_msi(phba->pcidev);
J
James Smart 已提交
2247
	destroy_port(vport);
已提交
2248 2249 2250 2251 2252 2253 2254 2255 2256
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);
2257 2258 2259
out_free_hbqslimp:
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);
已提交
2260 2261 2262 2263 2264
out_free_slim:
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
							phba->slim2p_mapping);
out_iounmap:
	iounmap(phba->ctrl_regs_memmap_p);
2265
out_iounmap_slim:
已提交
2266 2267 2268
	iounmap(phba->slim_memmap_p);
out_idr_remove:
	idr_remove(&lpfc_hba_index, phba->brd_no);
J
James Smart 已提交
2269 2270
out_free_phba:
	kfree(phba);
已提交
2271
out_release_regions:
2272
	pci_release_selected_regions(pdev, bars);
已提交
2273 2274 2275
out_disable_device:
	pci_disable_device(pdev);
out:
2276
	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2277 2278
	if (shost)
		scsi_host_put(shost);
已提交
2279 2280 2281 2282 2283 2284
	return error;
}

static void __devexit
lpfc_pci_remove_one(struct pci_dev *pdev)
{
J
James Smart 已提交
2285 2286 2287
	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
2288 2289
	int bars = pci_select_bars(pdev, IORESOURCE_MEM);

2290
	spin_lock_irq(&phba->hbalock);
2291
	vport->load_flag |= FC_UNLOADING;
2292
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
2293

J
James Smart 已提交
2294 2295 2296
	kfree(vport->vname);
	lpfc_free_sysfs_attr(vport);

2297 2298
	kthread_stop(phba->worker_thread);

J
James Smart 已提交
2299 2300
	fc_remove_host(shost);
	scsi_remove_host(shost);
2301 2302
	lpfc_cleanup(vport);

J
James Smart 已提交
2303 2304 2305 2306 2307 2308 2309 2310
	/*
	 * 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);

2311
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2312 2313 2314 2315 2316
	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
2317

2318 2319 2320 2321 2322 2323 2324
	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
2325 2326

	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2327
	scsi_host_put(shost);
J
James Smart 已提交
2328 2329 2330 2331 2332 2333 2334 2335

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

2336 2337 2338
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);

J
James Smart 已提交
2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350
	/* 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);

2351
	pci_release_selected_regions(pdev, bars);
J
James Smart 已提交
2352
	pci_disable_device(pdev);
已提交
2353 2354
}

2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365
/**
 * 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)
{
2366 2367
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2368 2369 2370
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring  *pring;

2371
	if (state == pci_channel_io_perm_failure)
2372
		return PCI_ERS_RESULT_DISCONNECT;
2373

2374 2375 2376 2377 2378 2379 2380 2381 2382
	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);

2383 2384 2385 2386 2387 2388 2389
	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);
	}
2390

2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402
	/* 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)
{
2403 2404
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2405 2406 2407
	struct lpfc_sli *psli = &phba->sli;

	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
2408
	if (pci_enable_device_mem(pdev)) {
2409 2410 2411 2412 2413 2414 2415 2416
		printk(KERN_ERR "lpfc: Cannot re-enable "
			"PCI device after reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);

	/* Re-establishing Link */
2417
	spin_lock_irq(shost->host_lock);
2418
	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2419
	spin_unlock_irq(shost->host_lock);
2420

2421
	spin_lock_irq(&phba->hbalock);
2422
	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2423
	spin_unlock_irq(&phba->hbalock);
2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441


	/* 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)
{
2442 2443
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2444 2445 2446 2447 2448 2449

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

已提交
2450 2451 2452
static struct pci_device_id lpfc_id_table[] = {
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
		PCI_ANY_ID, PCI_ANY_ID, },
2453 2454
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
		PCI_ANY_ID, PCI_ANY_ID, },
已提交
2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468
	{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, },
2469 2470 2471 2472 2473 2474
	{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
2475 2476
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
		PCI_ANY_ID, PCI_ANY_ID, },
2477 2478 2479 2480
	{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
2481 2482 2483 2484 2485 2486
	{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);