lpfc_init.c 70.3 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) 2004-2007 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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{
	/* Disable interrupts */
	writel(0, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */

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	lpfc_cleanup_discovery_resources(phba->pport);
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	return 0;
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}

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/************************************************************************/
/*                                                                      */
/*    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
J
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482
lpfc_hba_down_post(struct lpfc_hba *phba)
483 484 485 486
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	struct lpfc_dmabuf *mp, *next_mp;
487 488 489
	struct lpfc_iocbq *iocb;
	IOCB_t *cmd = NULL;
	LIST_HEAD(completions);
490 491
	int i;

492 493 494 495 496 497 498 499 500 501 502
	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);
		}
503 504
	}

505
	spin_lock_irq(&phba->hbalock);
506 507
	for (i = 0; i < psli->num_rings; i++) {
		pring = &psli->ring[i];
508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530

		/* 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);
			}
		}

531
		lpfc_sli_abort_iocb_ring(phba, pring);
532
		spin_lock_irq(&phba->hbalock);
533
	}
534
	spin_unlock_irq(&phba->hbalock);
535 536 537 538

	return 0;
}

J
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539
/* HBA heart beat timeout handler */
A
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540
static void
J
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541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
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) &&
569
		!(phba->pport->load_flag & FC_UNLOADING))
J
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570 571 572 573 574 575 576 577 578
		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;
579
	struct lpfc_dmabuf *buf_ptr;
J
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580 581
	int retval;
	struct lpfc_sli *psli = &phba->sli;
582
	LIST_HEAD(completions);
J
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583 584

	if ((phba->link_state == LPFC_HBA_ERROR) ||
585
		(phba->pport->load_flag & FC_UNLOADING) ||
J
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586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608
		(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);

609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625
	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;

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626
	/* If there is no heart beat outstanding, issue a heartbeat command */
627 628 629 630 631 632 633 634
	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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635

636 637 638 639
			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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640

641 642 643 644 645 646
			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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647
			mod_timer(&phba->hb_tmofunc,
648 649
				  jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
			phba->hb_outstanding = 1;
J
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650
			return;
651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668
		} 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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669 670 671 672
		}
	}
}

673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692
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
693 694 695 696 697 698 699 700 701
/************************************************************************/
/*                                                                      */
/*    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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702
lpfc_handle_eratt(struct lpfc_hba *phba)
已提交
703
{
J
James Smart 已提交
704 705
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
706
	struct lpfc_sli_ring  *pring;
707
	struct lpfc_vport **vports;
708
	uint32_t event_data;
709 710
	unsigned long temperature;
	struct temp_event temp_event_data;
711
	struct Scsi_Host  *shost;
712
	int i;
J
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713

714 715 716 717
	/* 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;
718 719 720
	/* If resets are disabled then leave the HBA alone and return */
	if (!phba->cfg_enable_hba_reset)
		return;
已提交
721

J
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722 723
	if (phba->work_hs & HS_FFER6 ||
	    phba->work_hs & HS_FFER5) {
已提交
724 725
		/* Re-establishing Link */
		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
726
				"1301 Re-establishing Link "
已提交
727
				"Data: x%x x%x x%x\n",
728
				phba->work_hs,
已提交
729
				phba->work_status[0], phba->work_status[1]);
730 731 732
		vports = lpfc_create_vport_work_array(phba);
		if (vports != NULL)
			for(i = 0;
733
			    i <= phba->max_vpi && vports[i] != NULL;
734 735 736 737 738 739
			    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);
			}
740
		lpfc_destroy_vport_work_array(phba, vports);
741
		spin_lock_irq(&phba->hbalock);
742
		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
743
		spin_unlock_irq(&phba->hbalock);
已提交
744 745 746 747 748 749 750 751 752 753 754 755 756 757 758

		/*
		* 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.
		 */
759
		lpfc_offline_prep(phba);
已提交
760
		lpfc_offline(phba);
761
		lpfc_sli_brdrestart(phba);
已提交
762 763
		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
764
			lpfc_unblock_mgmt_io(phba);
已提交
765 766
			return;
		}
767
		lpfc_unblock_mgmt_io(phba);
768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787
	} 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);

788 789 790
		spin_lock_irq(&phba->hbalock);
		phba->over_temp_state = HBA_OVER_TEMP;
		spin_unlock_irq(&phba->hbalock);
791
		lpfc_offline_eratt(phba);
792

已提交
793 794 795 796 797 798
	} 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,
799
				"0457 Adapter Hardware Error "
已提交
800
				"Data: x%x x%x x%x\n",
801
				phba->work_hs,
已提交
802 803
				phba->work_status[0], phba->work_status[1]);

804
		event_data = FC_REG_DUMP_EVENT;
805
		shost = lpfc_shost_from_vport(vport);
J
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806
		fc_host_post_vendor_event(shost, fc_get_event_number(),
807 808 809
				sizeof(event_data), (char *) &event_data,
				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);

810
		lpfc_offline_eratt(phba);
已提交
811 812 813 814 815 816 817 818 819 820 821 822
	}
}

/************************************************************************/
/*                                                                      */
/*    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
823
lpfc_handle_latt(struct lpfc_hba *phba)
已提交
824
{
J
James Smart 已提交
825 826
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
827 828 829
	LPFC_MBOXQ_t *pmb;
	volatile uint32_t control;
	struct lpfc_dmabuf *mp;
830
	int rc = 0;
已提交
831 832

	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
833 834
	if (!pmb) {
		rc = 1;
已提交
835
		goto lpfc_handle_latt_err_exit;
836
	}
已提交
837 838

	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
839 840
	if (!mp) {
		rc = 2;
已提交
841
		goto lpfc_handle_latt_free_pmb;
842
	}
已提交
843 844

	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
845 846
	if (!mp->virt) {
		rc = 3;
已提交
847
		goto lpfc_handle_latt_free_mp;
848
	}
已提交
849

850
	/* Cleanup any outstanding ELS commands */
851
	lpfc_els_flush_all_cmd(phba);
已提交
852 853 854 855

	psli->slistat.link_event++;
	lpfc_read_la(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
J
James Smart 已提交
856
	pmb->vport = vport;
857
	rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
858 859
	if (rc == MBX_NOT_FINISHED) {
		rc = 4;
860
		goto lpfc_handle_latt_free_mbuf;
861
	}
已提交
862 863

	/* Clear Link Attention in HA REG */
J
James Smart 已提交
864
	spin_lock_irq(&phba->hbalock);
已提交
865 866
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
J
James Smart 已提交
867
	spin_unlock_irq(&phba->hbalock);
已提交
868 869 870

	return;

871 872
lpfc_handle_latt_free_mbuf:
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
已提交
873 874 875
lpfc_handle_latt_free_mp:
	kfree(mp);
lpfc_handle_latt_free_pmb:
876
	mempool_free(pmb, phba->mbox_mem_pool);
已提交
877 878
lpfc_handle_latt_err_exit:
	/* Enable Link attention interrupts */
J
James Smart 已提交
879
	spin_lock_irq(&phba->hbalock);
已提交
880 881 882 883 884 885 886 887 888
	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
889
	spin_unlock_irq(&phba->hbalock);
已提交
890
	lpfc_linkdown(phba);
J
James Smart 已提交
891
	phba->link_state = LPFC_HBA_ERROR;
已提交
892

893 894
	lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
		     "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
已提交
895 896 897 898 899 900 901 902 903 904 905

	return;
}

/************************************************************************/
/*                                                                      */
/*   lpfc_parse_vpd                                                     */
/*   This routine will parse the VPD data                               */
/*                                                                      */
/************************************************************************/
static int
J
James Smart 已提交
906
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
已提交
907 908
{
	uint8_t lenlo, lenhi;
909
	int Length;
已提交
910 911 912 913 914 915 916 917
	int i, j;
	int finished = 0;
	int index = 0;

	if (!vpd)
		return 0;

	/* Vital Product */
918
	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
919
			"0455 Vital Product Data: x%x x%x x%x x%x\n",
已提交
920 921
			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
			(uint32_t) vpd[3]);
922
	while (!finished && (index < (len - 4))) {
已提交
923 924
		switch (vpd[index]) {
		case 0x82:
925
		case 0x91:
已提交
926 927 928 929 930 931 932 933 934 935 936 937 938 939 940
			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);
941 942
			if (Length > len - index)
				Length = len - index;
已提交
943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 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
			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;
		}
1036
	}
已提交
1037 1038 1039 1040 1041

	return(1);
}

static void
J
James Smart 已提交
1042
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
已提交
1043 1044
{
	lpfc_vpd_t *vp;
1045
	uint16_t dev_id = phba->pcidev->device;
1046 1047 1048 1049 1050
	int max_speed;
	struct {
		char * name;
		int    max_speed;
		char * bus;
1051
	} m = {"<Unknown>", 0, ""};
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066

	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
1067 1068 1069

	vp = &phba->vpd;

1070
	switch (dev_id) {
1071
	case PCI_DEVICE_ID_FIREFLY:
1072
		m = (typeof(m)){"LP6000", max_speed, "PCI"};
1073
		break;
已提交
1074 1075
	case PCI_DEVICE_ID_SUPERFLY:
		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1076
			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
已提交
1077
		else
1078
			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
已提交
1079 1080
		break;
	case PCI_DEVICE_ID_DRAGONFLY:
1081
		m = (typeof(m)){"LP8000", max_speed, "PCI"};
已提交
1082 1083 1084
		break;
	case PCI_DEVICE_ID_CENTAUR:
		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1085
			m = (typeof(m)){"LP9002", max_speed, "PCI"};
已提交
1086
		else
1087
			m = (typeof(m)){"LP9000", max_speed, "PCI"};
已提交
1088 1089
		break;
	case PCI_DEVICE_ID_RFLY:
1090
		m = (typeof(m)){"LP952", max_speed, "PCI"};
已提交
1091 1092
		break;
	case PCI_DEVICE_ID_PEGASUS:
1093
		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
已提交
1094 1095
		break;
	case PCI_DEVICE_ID_THOR:
1096
		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
已提交
1097 1098
		break;
	case PCI_DEVICE_ID_VIPER:
1099
		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
已提交
1100 1101
		break;
	case PCI_DEVICE_ID_PFLY:
1102
		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
已提交
1103 1104
		break;
	case PCI_DEVICE_ID_TFLY:
1105
		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
已提交
1106 1107
		break;
	case PCI_DEVICE_ID_HELIOS:
1108
		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
已提交
1109
		break;
1110
	case PCI_DEVICE_ID_HELIOS_SCSP:
1111
		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1112 1113
		break;
	case PCI_DEVICE_ID_HELIOS_DCSP:
1114
		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1115 1116
		break;
	case PCI_DEVICE_ID_NEPTUNE:
1117
		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1118 1119
		break;
	case PCI_DEVICE_ID_NEPTUNE_SCSP:
1120
		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1121 1122
		break;
	case PCI_DEVICE_ID_NEPTUNE_DCSP:
1123
		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1124
		break;
已提交
1125
	case PCI_DEVICE_ID_BMID:
1126
		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
已提交
1127 1128
		break;
	case PCI_DEVICE_ID_BSMB:
1129
		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
已提交
1130 1131
		break;
	case PCI_DEVICE_ID_ZEPHYR:
1132
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
已提交
1133
		break;
1134
	case PCI_DEVICE_ID_ZEPHYR_SCSP:
1135
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1136 1137
		break;
	case PCI_DEVICE_ID_ZEPHYR_DCSP:
1138
		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
1139
		break;
已提交
1140
	case PCI_DEVICE_ID_ZMID:
1141
		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
已提交
1142 1143
		break;
	case PCI_DEVICE_ID_ZSMB:
1144
		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
已提交
1145 1146
		break;
	case PCI_DEVICE_ID_LP101:
1147
		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
已提交
1148 1149
		break;
	case PCI_DEVICE_ID_LP10000S:
1150
		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1151
		break;
1152
	case PCI_DEVICE_ID_LP11000S:
1153 1154 1155
		m = (typeof(m)){"LP11000-S", max_speed,
			"PCI-X2"};
		break;
1156
	case PCI_DEVICE_ID_LPE11000S:
1157 1158
		m = (typeof(m)){"LPe11000-S", max_speed,
			"PCIe"};
1159
		break;
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177
	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;
1178
	default:
R
Randy Dunlap 已提交
1179
		m = (typeof(m)){ NULL };
1180
		break;
已提交
1181
	}
1182 1183 1184 1185 1186

	if (mdp && mdp[0] == '\0')
		snprintf(mdp, 79,"%s", m.name);
	if (descp && descp[0] == '\0')
		snprintf(descp, 255,
1187 1188
			 "Emulex %s %dGb %s Fibre Channel Adapter",
			 m.name, m.max_speed, m.bus);
已提交
1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199
}

/**************************************************/
/*   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
1200
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
已提交
1201 1202 1203
		 int type)
{
	IOCB_t *icmd;
1204
	struct lpfc_iocbq *iocb;
已提交
1205 1206 1207 1208 1209 1210 1211
	struct lpfc_dmabuf *mp1, *mp2;

	cnt += pring->missbufcnt;

	/* While there are buffers to post */
	while (cnt > 0) {
		/* Allocate buffer for  command iocb */
1212
		iocb = lpfc_sli_get_iocbq(phba);
已提交
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222
		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)
1223 1224
		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
		if (!mp1 || !mp1->virt) {
J
Jesper Juhl 已提交
1225
			kfree(mp1);
1226
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
			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);
1238
			if (!mp2 || !mp2->virt) {
J
Jesper Juhl 已提交
1239
				kfree(mp2);
已提交
1240 1241
				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
				kfree(mp1);
1242
				lpfc_sli_release_iocbq(phba, iocb);
已提交
1243 1244 1245 1246 1247 1248 1249 1250 1251 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
				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++;
			}
1277
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1278 1279 1280 1281
			pring->missbufcnt = cnt;
			return cnt;
		}
		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1282
		if (mp2)
已提交
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
			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
1296
lpfc_post_rcv_buf(struct lpfc_hba *phba)
已提交
1297 1298 1299 1300 1301 1302 1303 1304 1305 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
{
	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
1397
	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
已提交
1398

1399
	HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
已提交
1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413
	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);
}

1414
void
J
James Smart 已提交
1415
lpfc_cleanup(struct lpfc_vport *vport)
已提交
1416
{
1417
	struct lpfc_hba   *phba = vport->phba;
已提交
1418
	struct lpfc_nodelist *ndlp, *next_ndlp;
1419
	int i = 0;
已提交
1420

1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431
	if (phba->link_state > LPFC_LINK_DOWN)
		lpfc_port_link_failure(vport);

	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
		if (ndlp->nlp_type & NLP_FABRIC)
			lpfc_disc_state_machine(vport, ndlp, NULL,
					NLP_EVT_DEVICE_RECOVERY);
		lpfc_disc_state_machine(vport, ndlp, NULL,
					     NLP_EVT_DEVICE_RM);
	}

1432 1433 1434 1435
	/* 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.
	 */
1436 1437
	while (!list_empty(&vport->fc_nodes)) {

1438
		if (i++ > 3000) {
1439
			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1440 1441
				"0233 Nodelist not empty\n");
			break;
1442
		}
1443 1444 1445

		/* Wait for any activity on ndlps to settle */
		msleep(10);
1446
	}
已提交
1447 1448 1449 1450 1451 1452
	return;
}

static void
lpfc_establish_link_tmo(unsigned long ptr)
{
1453
	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
1454
	struct lpfc_vport **vports;
已提交
1455
	unsigned long iflag;
1456
	int i;
已提交
1457 1458 1459

	/* Re-establishing Link, timer expired */
	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1460
			"1300 Re-establishing Link, timer expired "
已提交
1461
			"Data: x%x x%x\n",
1462
			phba->pport->fc_flag, phba->pport->port_state);
1463 1464
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1465
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1466 1467 1468 1469 1470 1471
			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);
		}
1472
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1473 1474
}

1475 1476
void
lpfc_stop_vport_timers(struct lpfc_vport *vport)
已提交
1477
{
1478 1479 1480 1481
	del_timer_sync(&vport->els_tmofunc);
	del_timer_sync(&vport->fc_fdmitmo);
	lpfc_can_disctmo(vport);
	return;
已提交
1482 1483
}

J
James Smart 已提交
1484
static void
1485
lpfc_stop_phba_timers(struct lpfc_hba *phba)
已提交
1486
{
1487
	del_timer_sync(&phba->fcp_poll_timer);
已提交
1488
	del_timer_sync(&phba->fc_estabtmo);
1489
	lpfc_stop_vport_timers(phba->pport);
J
James Smart 已提交
1490
	del_timer_sync(&phba->sli.mbox_tmo);
1491
	del_timer_sync(&phba->fabric_block_timer);
J
James Smart 已提交
1492 1493
	phba->hb_outstanding = 0;
	del_timer_sync(&phba->hb_tmofunc);
J
James Smart 已提交
1494
	return;
已提交
1495 1496
}

A
Adrian Bunk 已提交
1497 1498 1499 1500 1501 1502 1503 1504 1505 1506
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
1507
int
J
James Smart 已提交
1508
lpfc_online(struct lpfc_hba *phba)
已提交
1509
{
J
James Smart 已提交
1510
	struct lpfc_vport *vport = phba->pport;
1511 1512
	struct lpfc_vport **vports;
	int i;
J
James Smart 已提交
1513

已提交
1514 1515 1516
	if (!phba)
		return 0;

J
James Smart 已提交
1517
	if (!(vport->fc_flag & FC_OFFLINE_MODE))
已提交
1518 1519
		return 0;

1520
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1521
			"0458 Bring Adapter online\n");
已提交
1522

1523 1524 1525 1526
	lpfc_block_mgmt_io(phba);

	if (!lpfc_sli_queue_setup(phba)) {
		lpfc_unblock_mgmt_io(phba);
已提交
1527
		return 1;
1528
	}
已提交
1529

1530 1531
	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
		lpfc_unblock_mgmt_io(phba);
已提交
1532
		return 1;
1533
	}
已提交
1534

1535 1536
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1537
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1538 1539 1540 1541 1542 1543 1544 1545
			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);
		}
1546
		lpfc_destroy_vport_work_array(phba, vports);
已提交
1547

1548
	lpfc_unblock_mgmt_io(phba);
已提交
1549 1550 1551
	return 0;
}

1552 1553 1554 1555 1556
void
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
{
	unsigned long iflag;

J
James Smart 已提交
1557 1558 1559
	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
1560 1561 1562 1563 1564
}

void
lpfc_offline_prep(struct lpfc_hba * phba)
{
J
James Smart 已提交
1565
	struct lpfc_vport *vport = phba->pport;
1566
	struct lpfc_nodelist  *ndlp, *next_ndlp;
1567 1568
	struct lpfc_vport **vports;
	int i;
已提交
1569

J
James Smart 已提交
1570
	if (vport->fc_flag & FC_OFFLINE_MODE)
1571
		return;
已提交
1572

1573
	lpfc_block_mgmt_io(phba);
已提交
1574 1575 1576

	lpfc_linkdown(phba);

1577 1578 1579
	/* Issue an unreg_login to all nodes on all vports */
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL) {
1580
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1581 1582
			struct Scsi_Host *shost;

1583 1584
			if (vports[i]->load_flag & FC_UNLOADING)
				continue;
1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
			shost =	lpfc_shost_from_vport(vports[i]);
			list_for_each_entry_safe(ndlp, next_ndlp,
						 &vports[i]->fc_nodes,
						 nlp_listp) {
				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);
			}
		}
	}
1604
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1605

1606 1607 1608 1609
	lpfc_sli_flush_mbox_queue(phba);
}

void
J
James Smart 已提交
1610
lpfc_offline(struct lpfc_hba *phba)
1611
{
1612 1613 1614
	struct Scsi_Host  *shost;
	struct lpfc_vport **vports;
	int i;
1615

1616
	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
1617
		return;
1618

已提交
1619
	/* stop all timers associated with this hba */
1620
	lpfc_stop_phba_timers(phba);
1621 1622
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1623
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
1624
			lpfc_stop_vport_timers(vports[i]);
1625
	lpfc_destroy_vport_work_array(phba, vports);
1626
	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1627
			"0460 Bring Adapter offline\n");
已提交
1628 1629 1630
	/* Bring down the SLI Layer and cleanup.  The HBA is offline
	   now.  */
	lpfc_sli_hba_down(phba);
1631
	spin_lock_irq(&phba->hbalock);
1632
	phba->work_ha = 0;
1633
	spin_unlock_irq(&phba->hbalock);
1634 1635
	vports = lpfc_create_vport_work_array(phba);
	if (vports != NULL)
1636
		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
1637 1638 1639 1640 1641 1642
			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);
		}
1643
	lpfc_destroy_vport_work_array(phba, vports);
已提交
1644 1645 1646 1647 1648 1649 1650 1651 1652
}

/******************************************************************************
* Function name: lpfc_scsi_free
*
* Description: Called from lpfc_pci_remove_one free internal driver resources
*
******************************************************************************/
static int
J
James Smart 已提交
1653
lpfc_scsi_free(struct lpfc_hba *phba)
已提交
1654 1655 1656 1657
{
	struct lpfc_scsi_buf *sb, *sb_next;
	struct lpfc_iocbq *io, *io_next;

J
James Smart 已提交
1658
	spin_lock_irq(&phba->hbalock);
已提交
1659 1660 1661 1662
	/* 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,
1663
			      sb->dma_handle);
已提交
1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674
		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
1675
	spin_unlock_irq(&phba->hbalock);
已提交
1676 1677 1678 1679

	return 0;
}

J
James Smart 已提交
1680
struct lpfc_vport *
1681
lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1682
{
J
James Smart 已提交
1683 1684 1685
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost;
	int error = 0;
1686

1687 1688 1689 1690 1691 1692
	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
1693 1694
	if (!shost)
		goto out;
1695

J
James Smart 已提交
1696 1697
	vport = (struct lpfc_vport *) shost->hostdata;
	vport->phba = phba;
1698

J
James Smart 已提交
1699
	vport->load_flag |= FC_LOADING;
1700
	vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1701

1702
	lpfc_get_vport_cfgparam(vport);
J
James Smart 已提交
1703 1704
	shost->unique_id = instance;
	shost->max_id = LPFC_MAX_TARGET;
1705
	shost->max_lun = vport->cfg_max_luns;
J
James Smart 已提交
1706 1707
	shost->this_id = -1;
	shost->max_cmd_len = 16;
1708
	/*
J
James Smart 已提交
1709 1710 1711
	 * 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.
1712
	 */
J
James Smart 已提交
1713
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1714
	if (dev != &phba->pcidev->dev) {
1715 1716 1717 1718 1719 1720
		shost->transportt = lpfc_vport_transport_template;
		vport->port_type = LPFC_NPIV_PORT;
	} else {
		shost->transportt = lpfc_transport_template;
		vport->port_type = LPFC_PHYSICAL_PORT;
	}
1721

J
James Smart 已提交
1722 1723 1724
	/* Initialize all internally managed lists. */
	INIT_LIST_HEAD(&vport->fc_nodes);
	spin_lock_init(&vport->work_port_lock);
1725

J
James Smart 已提交
1726 1727
	init_timer(&vport->fc_disctmo);
	vport->fc_disctmo.function = lpfc_disc_timeout;
1728
	vport->fc_disctmo.data = (unsigned long)vport;
1729

J
James Smart 已提交
1730 1731
	init_timer(&vport->fc_fdmitmo);
	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
1732
	vport->fc_fdmitmo.data = (unsigned long)vport;
1733

J
James Smart 已提交
1734 1735
	init_timer(&vport->els_tmofunc);
	vport->els_tmofunc.function = lpfc_els_timeout;
1736
	vport->els_tmofunc.data = (unsigned long)vport;
1737

1738
	error = scsi_add_host(shost, dev);
J
James Smart 已提交
1739 1740
	if (error)
		goto out_put_shost;
1741

1742
	spin_lock_irq(&phba->hbalock);
J
James Smart 已提交
1743
	list_add_tail(&vport->listentry, &phba->port_list);
1744
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
1745
	return vport;
1746

J
James Smart 已提交
1747 1748 1749 1750
out_put_shost:
	scsi_host_put(shost);
out:
	return NULL;
1751 1752
}

J
James Smart 已提交
1753 1754
void
destroy_port(struct lpfc_vport *vport)
1755
{
1756 1757
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	struct lpfc_hba  *phba = vport->phba;
1758

1759
	kfree(vport->vname);
1760

J
James Smart 已提交
1761
	lpfc_debugfs_terminate(vport);
1762 1763
	fc_remove_host(shost);
	scsi_remove_host(shost);
1764

1765 1766 1767
	spin_lock_irq(&phba->hbalock);
	list_del_init(&vport->listentry);
	spin_unlock_irq(&phba->hbalock);
1768

1769
	lpfc_cleanup(vport);
1770 1771 1772
	return;
}

1773 1774 1775 1776
int
lpfc_get_instance(void)
{
	int instance = 0;
1777

1778 1779 1780 1781 1782 1783
	/* 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;
1784 1785
}

J
James Smart 已提交
1786 1787 1788 1789
/*
 * Note: there is no scan_start function as adapter initialization
 * will have asynchronously kicked off the link initialization.
 */
1790 1791 1792

int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
J
James Smart 已提交
1793 1794
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
J
James Smart 已提交
1795
	int stat = 0;
1796

J
James Smart 已提交
1797 1798
	spin_lock_irq(shost->host_lock);

1799
	if (vport->load_flag & FC_UNLOADING) {
J
James Smart 已提交
1800 1801 1802
		stat = 1;
		goto finished;
	}
J
James Smart 已提交
1803 1804
	if (time >= 30 * HZ) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1805 1806
				"0461 Scanning longer than 30 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1807
		stat = 1;
1808
		goto finished;
J
James Smart 已提交
1809 1810 1811
	}
	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1812 1813
				"0465 Link down longer than 15 "
				"seconds.  Continuing initialization\n");
J
James Smart 已提交
1814
		stat = 1;
1815
		goto finished;
J
James Smart 已提交
1816
	}
1817

J
James Smart 已提交
1818
	if (vport->port_state != LPFC_VPORT_READY)
J
James Smart 已提交
1819
		goto finished;
J
James Smart 已提交
1820
	if (vport->num_disc_nodes || vport->fc_prli_sent)
J
James Smart 已提交
1821
		goto finished;
J
James Smart 已提交
1822
	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
J
James Smart 已提交
1823
		goto finished;
J
James Smart 已提交
1824
	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
J
James Smart 已提交
1825 1826 1827
		goto finished;

	stat = 1;
1828 1829

finished:
J
James Smart 已提交
1830 1831
	spin_unlock_irq(shost->host_lock);
	return stat;
1832
}
1833

1834 1835 1836 1837
void lpfc_host_attrib_init(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
1838
	/*
J
James Smart 已提交
1839
	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1840 1841
	 */

J
James Smart 已提交
1842 1843
	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);
1844 1845 1846
	fc_host_supported_classes(shost) = FC_COS_CLASS3;

	memset(fc_host_supported_fc4s(shost), 0,
J
James Smart 已提交
1847
	       sizeof(fc_host_supported_fc4s(shost)));
1848 1849 1850
	fc_host_supported_fc4s(shost)[2] = 1;
	fc_host_supported_fc4s(shost)[7] = 1;

1851 1852
	lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
				 sizeof fc_host_symbolic_name(shost));
1853 1854 1855 1856

	fc_host_supported_speeds(shost) = 0;
	if (phba->lmt & LMT_10Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
1857 1858
	if (phba->lmt & LMT_8Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
1859 1860 1861 1862 1863 1864 1865 1866
	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
1867 1868
		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1869 1870 1871

	/* This value is also unchanging */
	memset(fc_host_active_fc4s(shost), 0,
J
James Smart 已提交
1872
	       sizeof(fc_host_active_fc4s(shost)));
1873 1874 1875
	fc_host_active_fc4s(shost)[2] = 1;
	fc_host_active_fc4s(shost)[7] = 1;

1876
	fc_host_max_npiv_vports(shost) = phba->max_vpi;
1877
	spin_lock_irq(shost->host_lock);
1878
	vport->load_flag &= ~FC_LOADING;
1879 1880
	spin_unlock_irq(shost->host_lock);
}
已提交
1881 1882 1883 1884

static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
J
James Smart 已提交
1885 1886 1887
	struct lpfc_vport *vport = NULL;
	struct lpfc_hba   *phba;
	struct lpfc_sli   *psli;
已提交
1888
	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
J
James Smart 已提交
1889
	struct Scsi_Host  *shost = NULL;
1890
	void *ptr;
已提交
1891
	unsigned long bar0map_len, bar2map_len;
1892
	int error = -ENODEV, retval;
1893
	int  i, hbq_count;
1894
	uint16_t iotag;
已提交
1895 1896 1897 1898 1899 1900

	if (pci_enable_device(pdev))
		goto out;
	if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
		goto out_disable_device;

J
James Smart 已提交
1901 1902
	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
	if (!phba)
已提交
1903 1904
		goto out_release_regions;

J
James Smart 已提交
1905
	spin_lock_init(&phba->hbalock);
已提交
1906 1907 1908 1909

	phba->pcidev = pdev;

	/* Assign an unused board number */
1910
	if ((phba->brd_no = lpfc_get_instance()) < 0)
J
James Smart 已提交
1911
		goto out_free_phba;
已提交
1912

J
James Smart 已提交
1913 1914 1915 1916 1917 1918
	INIT_LIST_HEAD(&phba->port_list);
	/*
	 * Get all the module params for configuring this host and then
	 * establish the host.
	 */
	lpfc_get_cfgparam(phba);
1919
	phba->max_vpi = LPFC_MAX_VPI;
已提交
1920 1921 1922 1923 1924

	/* 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
1925 1926 1927 1928 1929

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

已提交
1930 1931 1932
	psli = &phba->sli;
	init_timer(&psli->mbox_tmo);
	psli->mbox_tmo.function = lpfc_mbox_timeout;
J
James Smart 已提交
1933
	psli->mbox_tmo.data = (unsigned long) phba;
1934 1935
	init_timer(&phba->fcp_poll_timer);
	phba->fcp_poll_timer.function = lpfc_poll_timeout;
J
James Smart 已提交
1936
	phba->fcp_poll_timer.data = (unsigned long) phba;
1937 1938 1939
	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
1940 1941

	pci_set_master(pdev);
R
Randy Dunlap 已提交
1942
	pci_try_set_mwi(pdev);
已提交
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957

	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);

1958
	/* Map HBA SLIM to a kernel virtual address. */
已提交
1959
	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1960 1961 1962 1963 1964 1965 1966 1967
	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
1968
	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1969 1970 1971 1972 1973 1974
	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
1975 1976 1977 1978 1979 1980 1981

	/* 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;

1982
	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
已提交
1983

1984 1985 1986 1987 1988 1989 1990
	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;

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
	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;

2002 2003
	memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());

已提交
2004 2005 2006 2007
	/* Initialize the SLI Layer to run with lpfc HBAs. */
	lpfc_sli_setup(phba);
	lpfc_sli_queue_setup(phba);

2008 2009 2010
	retval = lpfc_mem_alloc(phba);
	if (retval) {
		error = retval;
2011
		goto out_free_hbqslimp;
2012
	}
已提交
2013 2014 2015 2016

	/* Initialize and populate the iocb list per host.  */
	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
2017
		iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
已提交
2018 2019 2020 2021 2022 2023 2024 2025
		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;
		}

2026 2027 2028 2029 2030 2031 2032 2033 2034
		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
2035 2036

		spin_lock_irq(&phba->hbalock);
已提交
2037 2038
		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
		phba->total_iocbq_bufs++;
J
James Smart 已提交
2039
		spin_unlock_irq(&phba->hbalock);
已提交
2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060
	}

	/* 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. */
2061
	spin_lock_init(&phba->scsi_buf_list_lock);
已提交
2062 2063
	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);

2064 2065 2066
	/* Initialize list of fabric iocbs */
	INIT_LIST_HEAD(&phba->fabric_iocb_list);

2067 2068 2069
	/* Initialize list to save ELS buffers */
	INIT_LIST_HEAD(&phba->elsbuf);

2070
	vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
J
James Smart 已提交
2071 2072 2073 2074 2075
	if (!vport)
		goto out_kthread_stop;

	shost = lpfc_shost_from_vport(vport);
	phba->pport = vport;
J
James Smart 已提交
2076
	lpfc_debugfs_initialize(vport);
J
James Smart 已提交
2077

2078
	pci_set_drvdata(pdev, shost);
已提交
2079

2080
	if (phba->cfg_use_msi) {
2081 2082
		retval = pci_enable_msi(phba->pcidev);
		if (!retval)
2083 2084
			phba->using_msi = 1;
		else
2085 2086 2087
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
					"0452 Enable MSI failed, continuing "
					"with IRQ\n");
2088 2089
	}

2090
	retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
J
James Smart 已提交
2091
			    LPFC_DRIVER_NAME, phba);
2092
	if (retval) {
已提交
2093
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2094
			"0451 Enable interrupt handler failed\n");
2095
		error = retval;
2096
		goto out_disable_msi;
已提交
2097 2098
	}

J
James Smart 已提交
2099 2100 2101 2102 2103 2104
	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;

2105 2106
	if (lpfc_alloc_sysfs_attr(vport)) {
		error = -ENOMEM;
已提交
2107
		goto out_free_irq;
2108
	}
2109

2110 2111
	if (lpfc_sli_hba_setup(phba)) {
		error = -ENODEV;
J
James Smart 已提交
2112
		goto out_remove_device;
2113
	}
J
James Smart 已提交
2114 2115 2116 2117 2118 2119 2120 2121 2122

	/*
	 * 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
2123 2124 2125 2126 2127
	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
2128

J
James Smart 已提交
2129
	scsi_scan_host(shost);
已提交
2130 2131 2132

	return 0;

J
James Smart 已提交
2133 2134 2135
out_remove_device:
	lpfc_free_sysfs_attr(vport);
	spin_lock_irq(shost->host_lock);
2136
	vport->load_flag |= FC_UNLOADING;
J
James Smart 已提交
2137
	spin_unlock_irq(shost->host_lock);
已提交
2138
out_free_irq:
2139
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2140
	phba->pport->work_port_events = 0;
已提交
2141
	free_irq(phba->pcidev->irq, phba);
2142
out_disable_msi:
2143 2144
	if (phba->using_msi)
		pci_disable_msi(phba->pcidev);
J
James Smart 已提交
2145
	destroy_port(vport);
已提交
2146 2147 2148 2149 2150 2151 2152 2153 2154
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);
2155 2156 2157
out_free_hbqslimp:
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);
已提交
2158 2159 2160 2161 2162
out_free_slim:
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
							phba->slim2p_mapping);
out_iounmap:
	iounmap(phba->ctrl_regs_memmap_p);
2163
out_iounmap_slim:
已提交
2164 2165 2166
	iounmap(phba->slim_memmap_p);
out_idr_remove:
	idr_remove(&lpfc_hba_index, phba->brd_no);
J
James Smart 已提交
2167 2168
out_free_phba:
	kfree(phba);
已提交
2169 2170 2171 2172 2173
out_release_regions:
	pci_release_regions(pdev);
out_disable_device:
	pci_disable_device(pdev);
out:
2174
	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2175 2176
	if (shost)
		scsi_host_put(shost);
已提交
2177 2178 2179 2180 2181 2182
	return error;
}

static void __devexit
lpfc_pci_remove_one(struct pci_dev *pdev)
{
J
James Smart 已提交
2183 2184 2185
	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
2186
	spin_lock_irq(&phba->hbalock);
2187
	vport->load_flag |= FC_UNLOADING;
2188
	spin_unlock_irq(&phba->hbalock);
J
James Smart 已提交
2189

J
James Smart 已提交
2190 2191 2192
	kfree(vport->vname);
	lpfc_free_sysfs_attr(vport);

2193 2194
	kthread_stop(phba->worker_thread);

J
James Smart 已提交
2195 2196
	fc_remove_host(shost);
	scsi_remove_host(shost);
2197 2198
	lpfc_cleanup(vport);

J
James Smart 已提交
2199 2200 2201 2202 2203 2204 2205 2206
	/*
	 * 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);

2207
	lpfc_stop_phba_timers(phba);
J
James Smart 已提交
2208 2209 2210 2211 2212
	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
2213 2214 2215

	/* Release the irq reservation */
	free_irq(phba->pcidev->irq, phba);
2216 2217
	if (phba->using_msi)
		pci_disable_msi(phba->pcidev);
已提交
2218 2219

	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
2220
	scsi_host_put(shost);
J
James Smart 已提交
2221 2222 2223 2224 2225 2226 2227 2228

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

2229 2230 2231
	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
			  phba->hbqslimp.phys);

J
James Smart 已提交
2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245
	/* 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);

	pci_release_regions(pdev);
	pci_disable_device(pdev);
已提交
2246 2247
}

2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258
/**
 * 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)
{
2259 2260
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2261 2262 2263
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring  *pring;

2264
	if (state == pci_channel_io_perm_failure)
2265
		return PCI_ERS_RESULT_DISCONNECT;
2266

2267 2268 2269 2270 2271 2272 2273 2274 2275
	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);

2276 2277 2278 2279 2280
	/* Release the irq reservation */
	free_irq(phba->pcidev->irq, phba);
	if (phba->using_msi)
		pci_disable_msi(phba->pcidev);

2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292
	/* 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)
{
2293 2294
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307
	struct lpfc_sli *psli = &phba->sli;
	int bars = pci_select_bars(pdev, IORESOURCE_MEM);

	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
	if (pci_enable_device_bars(pdev, bars)) {
		printk(KERN_ERR "lpfc: Cannot re-enable "
			"PCI device after reset.\n");
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);

	/* Re-establishing Link */
2308
	spin_lock_irq(shost->host_lock);
2309
	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2310
	spin_unlock_irq(shost->host_lock);
2311

2312
	spin_lock_irq(&phba->hbalock);
2313
	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2314
	spin_unlock_irq(&phba->hbalock);
2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332


	/* 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)
{
2333 2334
	struct Scsi_Host *shost = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
2335 2336 2337 2338 2339 2340

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

已提交
2341 2342 2343
static struct pci_device_id lpfc_id_table[] = {
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
		PCI_ANY_ID, PCI_ANY_ID, },
2344 2345
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
		PCI_ANY_ID, PCI_ANY_ID, },
已提交
2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
	{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, },
2360 2361 2362 2363 2364 2365
	{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
2366 2367
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
		PCI_ANY_ID, PCI_ANY_ID, },
2368 2369 2370 2371
	{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
2372 2373 2374 2375 2376 2377
	{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, },
2378 2379 2380 2381
	{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, },
已提交
2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
	{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, },
2392 2393 2394 2395
	{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, },
2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407
	{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, },
已提交
2408 2409 2410 2411 2412
	{ 0 }
};

MODULE_DEVICE_TABLE(pci, lpfc_id_table);

2413 2414 2415 2416 2417 2418
static struct pci_error_handlers lpfc_err_handler = {
	.error_detected = lpfc_io_error_detected,
	.slot_reset = lpfc_io_slot_reset,
	.resume = lpfc_io_resume,
};

已提交
2419 2420 2421 2422 2423
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),
J
James Smart 已提交
2424
	.err_handler    = &lpfc_err_handler,
已提交
2425 2426 2427 2428 2429 2430 2431 2432
};

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

	printk(LPFC_MODULE_DESC "\n");
2433
	printk(LPFC_COPYRIGHT "\n");
已提交
2434

J
James Smart 已提交
2435 2436 2437 2438
	if (lpfc_enable_npiv) {
		lpfc_transport_functions.vport_create = lpfc_vport_create;
		lpfc_transport_functions.vport_delete = lpfc_vport_delete;
	}
已提交
2439 2440
	lpfc_transport_template =
				fc_attach_transport(&lpfc_transport_functions);
J
James Smart 已提交
2441
	if (lpfc_transport_template == NULL)
已提交
2442
		return -ENOMEM;
J
James Smart 已提交
2443 2444
	if (lpfc_enable_npiv) {
		lpfc_vport_transport_template =
2445 2446 2447
			fc_attach_transport(&lpfc_vport_transport_functions);
		if (lpfc_vport_transport_template == NULL) {
			fc_release_transport(lpfc_transport_template);
J
James Smart 已提交
2448
			return -ENOMEM;
2449
		}
J
James Smart 已提交
2450
	}
已提交
2451
	error = pci_register_driver(&lpfc_driver);
2452
	if (error) {
已提交
2453
		fc_release_transport(lpfc_transport_template);
2454 2455
		fc_release_transport(lpfc_vport_transport_template);
	}
已提交
2456 2457 2458 2459 2460 2461 2462 2463 2464

	return error;
}

static void __exit
lpfc_exit(void)
{
	pci_unregister_driver(&lpfc_driver);
	fc_release_transport(lpfc_transport_template);
J
James Smart 已提交
2465 2466
	if (lpfc_enable_npiv)
		fc_release_transport(lpfc_vport_transport_template);
已提交
2467 2468 2469 2470 2471 2472 2473 2474
}

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);