lpfc_init.c 57.5 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 <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"
#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;
static DEFINE_IDR(lpfc_hba_index);

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/************************************************************************/
/*                                                                      */
/*    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) {
			lpfc_printf_log(phba,
					KERN_ERR,
					LOG_MBOX,
					"%d:0324 Config Port initialization "
					"error, mbxCmd x%x READ_NVPARM, "
					"mbxStatus x%x\n",
					phba->brd_no,
					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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	}

	/* 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) {
		lpfc_printf_log(phba,
				KERN_ERR,
				LOG_INIT,
				"%d:0439 Adapter failed to init, mbxCmd x%x "
				"READ_REV, mbxStatus x%x\n",
				phba->brd_no,
				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,
				"%d:0440 Adapter failed to init, READ_REV has "
				"missing revision information.\n",
				phba->brd_no);
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		mempool_free(pmb, phba->mbox_mem_pool);
		return -ERESTART;
	}

	/* Save information as VPD data */
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	vp->rev.rBit = 1;
	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;

	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,
					"%d:0441 VPD not present on adapter, "
					"mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
					phba->brd_no,
					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,
							mb->un.varDmp.word_cnt);
		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;
}

/************************************************************************/
/*                                                                      */
/*    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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	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.  */
	lpfc_read_sparam(phba, pmb);
	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
		lpfc_printf_log(phba,
				KERN_ERR,
				LOG_INIT,
				"%d:0448 Adapter failed init, mbxCmd x%x "
				"READ_SPARM mbxStatus x%x\n",
				phba->brd_no,
				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);
	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
		lpfc_printf_log(phba,
				KERN_ERR,
				LOG_INIT,
				"%d:0453 Adapter failed to init, mbxCmd x%x "
				"READ_CONFIG, mbxStatus x%x\n",
				phba->brd_no,
				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,
			"%d:1302 Invalid speed for this board: "
			"Reset link speed to auto: x%x\n",
			phba->brd_no,
			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 ring 0 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 */
	lpfc_post_rcv_buf(phba);

	/* 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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	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
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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,
				"%d:0454 Adapter failed to init, mbxCmd x%x "
				"INIT_LINK, mbxStatus x%x\n",
				phba->brd_no,
				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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	return (0);
}

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/************************************************************************/
/*                                                                      */
/*    lpfc_hba_down_prep                                                */
/*    This routine will do LPFC uninitialization before the             */
/*    HBA is reset when bringing down the SLI Layer. This will be       */
/*    initialized as a SLI layer callback routine.                      */
/*    This routine returns 0 on success. Any other return value         */
/*    indicates an error.                                               */
/*                                                                      */
/************************************************************************/
int
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lpfc_hba_down_prep(struct lpfc_hba *phba)
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{
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	struct lpfc_vport *vport = phba->pport;

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	/* Disable interrupts */
	writel(0, phba->HCregaddr);
	readl(phba->HCregaddr); /* flush */

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				/* Cleanup potential discovery resources */
	lpfc_els_flush_rscn(vport);
	lpfc_els_flush_cmd(vport);
	lpfc_disc_flush_list(vport);
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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
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lpfc_hba_down_post(struct lpfc_hba *phba)
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{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	struct lpfc_dmabuf *mp, *next_mp;
	int i;

	/* 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);
	}

	for (i = 0; i < psli->num_rings; i++) {
		pring = &psli->ring[i];
		lpfc_sli_abort_iocb_ring(phba, pring);
	}

	return 0;
}

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/************************************************************************/
/*                                                                      */
/*    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
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lpfc_handle_eratt(struct lpfc_hba *phba)
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{
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	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
	struct lpfc_sli   *psli = &phba->sli;
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	struct lpfc_sli_ring  *pring;
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	uint32_t event_data;
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	/* 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;
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	if (phba->work_hs & HS_FFER6 ||
	    phba->work_hs & HS_FFER5) {
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		/* Re-establishing Link */
		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
				"%d:1301 Re-establishing Link "
				"Data: x%x x%x x%x\n",
				phba->brd_no, phba->work_hs,
				phba->work_status[0], phba->work_status[1]);
J
James Smart 已提交
505 506
		spin_lock_irq(shost->host_lock);
		vport->fc_flag |= FC_ESTABLISH_LINK;
507
		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
J
James Smart 已提交
508
		spin_unlock_irq(shost->host_lock);
已提交
509 510 511 512 513 514 515 516 517 518 519 520 521 522 523

		/*
		* 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.
		 */
524
		lpfc_offline_prep(phba);
已提交
525
		lpfc_offline(phba);
526
		lpfc_sli_brdrestart(phba);
已提交
527 528
		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
529
			lpfc_unblock_mgmt_io(phba);
已提交
530 531
			return;
		}
532
		lpfc_unblock_mgmt_io(phba);
已提交
533 534 535 536 537 538 539 540 541 542 543
	} else {
		/* The if clause above forces this code path when the status
		 * failure is a value other than FFER6.  Do not call the offline
		 *  twice. This is the adapter hardware error path.
		 */
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
				"%d:0457 Adapter Hardware Error "
				"Data: x%x x%x x%x\n",
				phba->brd_no, phba->work_hs,
				phba->work_status[0], phba->work_status[1]);

544
		event_data = FC_REG_DUMP_EVENT;
J
James Smart 已提交
545
		fc_host_post_vendor_event(shost, fc_get_event_number(),
546 547 548
				sizeof(event_data), (char *) &event_data,
				SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);

549
		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
550
		lpfc_offline_prep(phba);
已提交
551
		lpfc_offline(phba);
552
		lpfc_unblock_mgmt_io(phba);
J
James Smart 已提交
553
		phba->link_state = LPFC_HBA_ERROR;
554
		lpfc_hba_down_post(phba);
已提交
555 556 557 558 559 560 561 562 563 564 565 566
	}
}

/************************************************************************/
/*                                                                      */
/*    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
567
lpfc_handle_latt(struct lpfc_hba *phba)
已提交
568
{
J
James Smart 已提交
569 570
	struct lpfc_vport *vport = phba->pport;
	struct lpfc_sli   *psli = &phba->sli;
已提交
571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589
	LPFC_MBOXQ_t *pmb;
	volatile uint32_t control;
	struct lpfc_dmabuf *mp;
	int rc = -ENOMEM;

	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
	if (!pmb)
		goto lpfc_handle_latt_err_exit;

	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (!mp)
		goto lpfc_handle_latt_free_pmb;

	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
	if (!mp->virt)
		goto lpfc_handle_latt_free_mp;

	rc = -EIO;

590
	/* Cleanup any outstanding ELS commands */
J
James Smart 已提交
591
	lpfc_els_flush_cmd(vport);
已提交
592 593 594 595

	psli->slistat.link_event++;
	lpfc_read_la(phba, pmb, mp);
	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
J
James Smart 已提交
596
	pmb->vport = vport;
已提交
597 598
	rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
	if (rc == MBX_NOT_FINISHED)
599
		goto lpfc_handle_latt_free_mbuf;
已提交
600 601

	/* Clear Link Attention in HA REG */
J
James Smart 已提交
602
	spin_lock_irq(&phba->hbalock);
已提交
603 604
	writel(HA_LATT, phba->HAregaddr);
	readl(phba->HAregaddr); /* flush */
J
James Smart 已提交
605
	spin_unlock_irq(&phba->hbalock);
已提交
606 607 608

	return;

609 610
lpfc_handle_latt_free_mbuf:
	lpfc_mbuf_free(phba, mp->virt, mp->phys);
已提交
611 612 613
lpfc_handle_latt_free_mp:
	kfree(mp);
lpfc_handle_latt_free_pmb:
614
	mempool_free(pmb, phba->mbox_mem_pool);
已提交
615 616
lpfc_handle_latt_err_exit:
	/* Enable Link attention interrupts */
J
James Smart 已提交
617
	spin_lock_irq(&phba->hbalock);
已提交
618 619 620 621 622 623 624 625 626
	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
627
	spin_unlock_irq(&phba->hbalock);
已提交
628
	lpfc_linkdown(phba);
J
James Smart 已提交
629
	phba->link_state = LPFC_HBA_ERROR;
已提交
630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648

	/* The other case is an error from issue_mbox */
	if (rc == -ENOMEM)
		lpfc_printf_log(phba,
				KERN_WARNING,
				LOG_MBOX,
			        "%d:0300 READ_LA: no buffers\n",
				phba->brd_no);

	return;
}

/************************************************************************/
/*                                                                      */
/*   lpfc_parse_vpd                                                     */
/*   This routine will parse the VPD data                               */
/*                                                                      */
/************************************************************************/
static int
J
James Smart 已提交
649
lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
已提交
650 651
{
	uint8_t lenlo, lenhi;
652
	int Length;
已提交
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667
	int i, j;
	int finished = 0;
	int index = 0;

	if (!vpd)
		return 0;

	/* Vital Product */
	lpfc_printf_log(phba,
			KERN_INFO,
			LOG_INIT,
			"%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
			phba->brd_no,
			(uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
			(uint32_t) vpd[3]);
668
	while (!finished && (index < (len - 4))) {
已提交
669 670
		switch (vpd[index]) {
		case 0x82:
671
		case 0x91:
已提交
672 673 674 675 676 677 678 679 680 681 682 683 684 685 686
			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);
687 688
			if (Length > len - index)
				Length = len - index;
已提交
689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
			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;
		}
782
	}
已提交
783 784 785 786 787

	return(1);
}

static void
J
James Smart 已提交
788
lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
已提交
789 790
{
	lpfc_vpd_t *vp;
791
	uint16_t dev_id = phba->pcidev->device;
792 793 794 795 796
	int max_speed;
	struct {
		char * name;
		int    max_speed;
		char * bus;
797
	} m = {"<Unknown>", 0, ""};
798 799 800 801 802 803 804 805 806 807 808 809 810 811 812

	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
813 814 815

	vp = &phba->vpd;

816
	switch (dev_id) {
817
	case PCI_DEVICE_ID_FIREFLY:
818
		m = (typeof(m)){"LP6000", max_speed, "PCI"};
819
		break;
已提交
820 821
	case PCI_DEVICE_ID_SUPERFLY:
		if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
822
			m = (typeof(m)){"LP7000", max_speed,  "PCI"};
已提交
823
		else
824
			m = (typeof(m)){"LP7000E", max_speed, "PCI"};
已提交
825 826
		break;
	case PCI_DEVICE_ID_DRAGONFLY:
827
		m = (typeof(m)){"LP8000", max_speed, "PCI"};
已提交
828 829 830
		break;
	case PCI_DEVICE_ID_CENTAUR:
		if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
831
			m = (typeof(m)){"LP9002", max_speed, "PCI"};
已提交
832
		else
833
			m = (typeof(m)){"LP9000", max_speed, "PCI"};
已提交
834 835
		break;
	case PCI_DEVICE_ID_RFLY:
836
		m = (typeof(m)){"LP952", max_speed, "PCI"};
已提交
837 838
		break;
	case PCI_DEVICE_ID_PEGASUS:
839
		m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
已提交
840 841
		break;
	case PCI_DEVICE_ID_THOR:
842
		m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
已提交
843 844
		break;
	case PCI_DEVICE_ID_VIPER:
845
		m = (typeof(m)){"LPX1000", max_speed,  "PCI-X"};
已提交
846 847
		break;
	case PCI_DEVICE_ID_PFLY:
848
		m = (typeof(m)){"LP982", max_speed, "PCI-X"};
已提交
849 850
		break;
	case PCI_DEVICE_ID_TFLY:
851
		m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
已提交
852 853
		break;
	case PCI_DEVICE_ID_HELIOS:
854
		m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
已提交
855
		break;
856
	case PCI_DEVICE_ID_HELIOS_SCSP:
857
		m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
858 859
		break;
	case PCI_DEVICE_ID_HELIOS_DCSP:
860
		m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
861 862
		break;
	case PCI_DEVICE_ID_NEPTUNE:
863
		m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
864 865
		break;
	case PCI_DEVICE_ID_NEPTUNE_SCSP:
866
		m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
867 868
		break;
	case PCI_DEVICE_ID_NEPTUNE_DCSP:
869
		m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
870
		break;
已提交
871
	case PCI_DEVICE_ID_BMID:
872
		m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
已提交
873 874
		break;
	case PCI_DEVICE_ID_BSMB:
875
		m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
已提交
876 877
		break;
	case PCI_DEVICE_ID_ZEPHYR:
878
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
已提交
879
		break;
880
	case PCI_DEVICE_ID_ZEPHYR_SCSP:
881
		m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
882 883
		break;
	case PCI_DEVICE_ID_ZEPHYR_DCSP:
884
		m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"};
885
		break;
已提交
886
	case PCI_DEVICE_ID_ZMID:
887
		m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
已提交
888 889
		break;
	case PCI_DEVICE_ID_ZSMB:
890
		m = (typeof(m)){"LPe111", max_speed, "PCIe"};
已提交
891 892
		break;
	case PCI_DEVICE_ID_LP101:
893
		m = (typeof(m)){"LP101", max_speed, "PCI-X"};
已提交
894 895
		break;
	case PCI_DEVICE_ID_LP10000S:
896
		m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
897
		break;
898
	case PCI_DEVICE_ID_LP11000S:
899 900 901
		m = (typeof(m)){"LP11000-S", max_speed,
			"PCI-X2"};
		break;
902
	case PCI_DEVICE_ID_LPE11000S:
903 904
		m = (typeof(m)){"LPe11000-S", max_speed,
			"PCIe"};
905
		break;
906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
	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;
924
	default:
R
Randy Dunlap 已提交
925
		m = (typeof(m)){ NULL };
926
		break;
已提交
927
	}
928 929 930 931 932

	if (mdp && mdp[0] == '\0')
		snprintf(mdp, 79,"%s", m.name);
	if (descp && descp[0] == '\0')
		snprintf(descp, 255,
933 934
			 "Emulex %s %dGb %s Fibre Channel Adapter",
			 m.name, m.max_speed, m.bus);
已提交
935 936 937 938 939 940 941 942 943 944 945
}

/**************************************************/
/*   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
946
lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt,
已提交
947 948 949
		 int type)
{
	IOCB_t *icmd;
950
	struct lpfc_iocbq *iocb;
已提交
951 952 953 954 955 956 957
	struct lpfc_dmabuf *mp1, *mp2;

	cnt += pring->missbufcnt;

	/* While there are buffers to post */
	while (cnt > 0) {
		/* Allocate buffer for  command iocb */
958
		iocb = lpfc_sli_get_iocbq(phba);
已提交
959 960 961 962 963 964 965 966 967 968 969 970 971
		if (iocb == NULL) {
			pring->missbufcnt = cnt;
			return cnt;
		}
		icmd = &iocb->iocb;

		/* 2 buffers can be posted per command */
		/* Allocate buffer to post */
		mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
		if (mp1)
		    mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
						&mp1->phys);
		if (mp1 == 0 || mp1->virt == 0) {
J
Jesper Juhl 已提交
972
			kfree(mp1);
973
			lpfc_sli_release_iocbq(phba, iocb);
已提交
974 975 976 977 978 979 980 981 982 983 984 985
			pring->missbufcnt = cnt;
			return cnt;
		}

		INIT_LIST_HEAD(&mp1->list);
		/* Allocate buffer to post */
		if (cnt > 1) {
			mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
			if (mp2)
				mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
							    &mp2->phys);
			if (mp2 == 0 || mp2->virt == 0) {
J
Jesper Juhl 已提交
986
				kfree(mp2);
已提交
987 988
				lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
				kfree(mp1);
989
				lpfc_sli_release_iocbq(phba, iocb);
已提交
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
				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++;
			}
1024
			lpfc_sli_release_iocbq(phba, iocb);
已提交
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043
			pring->missbufcnt = cnt;
			return cnt;
		}
		lpfc_sli_ringpostbuf_put(phba, pring, mp1);
		if (mp2) {
			lpfc_sli_ringpostbuf_put(phba, pring, mp2);
		}
	}
	pring->missbufcnt = 0;
	return 0;
}

/************************************************************************/
/*                                                                      */
/*   lpfc_post_rcv_buf                                                  */
/*   This routine post initial rcv buffers to the configured rings      */
/*                                                                      */
/************************************************************************/
static int
J
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1044
lpfc_post_rcv_buf(struct lpfc_hba *phba)
已提交
1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144
{
	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
1145
	uint32_t *pwwnn = (uint32_t *) phba->wwnn;
已提交
1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163

	HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL);
	if (!HashWorking)
		return;

	memset(HashWorking, 0, (80 * sizeof(uint32_t)));
	HashWorking[0] = HashWorking[78] = *pwwnn++;
	HashWorking[1] = HashWorking[79] = *pwwnn;

	for (t = 0; t < 7; t++)
		lpfc_challenge_key(phba->RandomData + t, HashWorking + t);

	lpfc_sha_init(hbainit);
	lpfc_sha_iterate(hbainit, HashWorking);
	kfree(HashWorking);
}

static void
J
James Smart 已提交
1164
lpfc_cleanup(struct lpfc_vport *vport)
已提交
1165 1166 1167 1168
{
	struct lpfc_nodelist *ndlp, *next_ndlp;

	/* clean up phba - lpfc specific */
J
James Smart 已提交
1169 1170
	lpfc_can_disctmo(vport);
	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1171
		lpfc_nlp_put(ndlp);
已提交
1172

J
James Smart 已提交
1173
	INIT_LIST_HEAD(&vport->fc_nodes);
已提交
1174 1175 1176 1177 1178 1179 1180

	return;
}

static void
lpfc_establish_link_tmo(unsigned long ptr)
{
J
James Smart 已提交
1181 1182 1183
	struct lpfc_hba   *phba = (struct lpfc_hba *)ptr;
	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
已提交
1184 1185 1186 1187 1188 1189 1190
	unsigned long iflag;


	/* Re-establishing Link, timer expired */
	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
			"%d:1300 Re-establishing Link, timer expired "
			"Data: x%x x%x\n",
J
James Smart 已提交
1191 1192 1193 1194 1195
			phba->brd_no, vport->fc_flag,
			vport->port_state);
	spin_lock_irqsave(shost->host_lock, iflag);
	vport->fc_flag &= ~FC_ESTABLISH_LINK;
	spin_unlock_irqrestore(shost->host_lock, iflag);
已提交
1196 1197
}

J
James Smart 已提交
1198 1199
static void
lpfc_stop_timer(struct lpfc_hba *phba)
已提交
1200
{
J
James Smart 已提交
1201
	struct lpfc_vport *vport = phba->pport;
已提交
1202

1203
	del_timer_sync(&phba->fcp_poll_timer);
已提交
1204
	del_timer_sync(&phba->fc_estabtmo);
J
James Smart 已提交
1205 1206 1207 1208 1209
	del_timer_sync(&vport->els_tmofunc);
	del_timer_sync(&vport->fc_fdmitmo);
	del_timer_sync(&vport->fc_disctmo);
	del_timer_sync(&phba->sli.mbox_tmo);
	return;
已提交
1210 1211 1212
}

int
J
James Smart 已提交
1213
lpfc_online(struct lpfc_hba *phba)
已提交
1214
{
J
James Smart 已提交
1215 1216 1217
	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

已提交
1218 1219 1220
	if (!phba)
		return 0;

J
James Smart 已提交
1221
	if (!(vport->fc_flag & FC_OFFLINE_MODE))
已提交
1222 1223 1224 1225 1226 1227 1228 1229
		return 0;

	lpfc_printf_log(phba,
		       KERN_WARNING,
		       LOG_INIT,
		       "%d:0458 Bring Adapter online\n",
		       phba->brd_no);

1230 1231 1232 1233
	lpfc_block_mgmt_io(phba);

	if (!lpfc_sli_queue_setup(phba)) {
		lpfc_unblock_mgmt_io(phba);
已提交
1234
		return 1;
1235
	}
已提交
1236

1237 1238
	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
		lpfc_unblock_mgmt_io(phba);
已提交
1239
		return 1;
1240
	}
已提交
1241

J
James Smart 已提交
1242 1243 1244
	spin_lock_irq(shost->host_lock);
	vport->fc_flag &= ~FC_OFFLINE_MODE;
	spin_unlock_irq(shost->host_lock);
已提交
1245

1246
	lpfc_unblock_mgmt_io(phba);
已提交
1247 1248 1249
	return 0;
}

1250 1251
void
lpfc_block_mgmt_io(struct lpfc_hba * phba)
已提交
1252 1253 1254
{
	unsigned long iflag;

J
James Smart 已提交
1255 1256 1257
	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
1258 1259 1260 1261 1262 1263 1264
}

void
lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
{
	unsigned long iflag;

J
James Smart 已提交
1265 1266 1267
	spin_lock_irqsave(&phba->hbalock, iflag);
	phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
	spin_unlock_irqrestore(&phba->hbalock, iflag);
1268 1269 1270 1271 1272
}

void
lpfc_offline_prep(struct lpfc_hba * phba)
{
J
James Smart 已提交
1273
	struct lpfc_vport *vport = phba->pport;
1274
	struct lpfc_nodelist  *ndlp, *next_ndlp;
已提交
1275

J
James Smart 已提交
1276
	if (vport->fc_flag & FC_OFFLINE_MODE)
1277
		return;
已提交
1278

1279
	lpfc_block_mgmt_io(phba);
已提交
1280 1281 1282

	lpfc_linkdown(phba);

1283
	/* Issue an unreg_login to all nodes */
J
James Smart 已提交
1284
	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp)
1285
		if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
J
James Smart 已提交
1286
			lpfc_unreg_rpi(vport, ndlp);
已提交
1287

1288 1289 1290 1291
	lpfc_sli_flush_mbox_queue(phba);
}

void
J
James Smart 已提交
1292
lpfc_offline(struct lpfc_hba *phba)
1293
{
J
James Smart 已提交
1294 1295
	struct lpfc_vport *vport = phba->pport;
	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
1296 1297
	unsigned long iflag;

J
James Smart 已提交
1298
	if (vport->fc_flag & FC_OFFLINE_MODE)
1299
		return;
1300

已提交
1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312
	/* stop all timers associated with this hba */
	lpfc_stop_timer(phba);

	lpfc_printf_log(phba,
		       KERN_WARNING,
		       LOG_INIT,
		       "%d:0460 Bring Adapter offline\n",
		       phba->brd_no);

	/* Bring down the SLI Layer and cleanup.  The HBA is offline
	   now.  */
	lpfc_sli_hba_down(phba);
J
James Smart 已提交
1313 1314 1315
	lpfc_cleanup(vport);
	spin_lock_irqsave(shost->host_lock, iflag);
	spin_lock(&phba->hbalock);
1316
	phba->work_ha = 0;
J
James Smart 已提交
1317 1318 1319 1320
	vport->work_port_events = 0;
	vport->fc_flag |= FC_OFFLINE_MODE;
	spin_unlock(&phba->hbalock);
	spin_unlock_irqrestore(shost->host_lock, iflag);
已提交
1321 1322 1323 1324 1325 1326 1327 1328 1329
}

/******************************************************************************
* Function name: lpfc_scsi_free
*
* Description: Called from lpfc_pci_remove_one free internal driver resources
*
******************************************************************************/
static int
J
James Smart 已提交
1330
lpfc_scsi_free(struct lpfc_hba *phba)
已提交
1331 1332 1333 1334
{
	struct lpfc_scsi_buf *sb, *sb_next;
	struct lpfc_iocbq *io, *io_next;

J
James Smart 已提交
1335
	spin_lock_irq(&phba->hbalock);
已提交
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351
	/* Release all the lpfc_scsi_bufs maintained by this host. */
	list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
		list_del(&sb->list);
		pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
								sb->dma_handle);
		kfree(sb);
		phba->total_scsi_bufs--;
	}

	/* Release all the lpfc_iocbq entries maintained by this host. */
	list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
		list_del(&io->list);
		kfree(io);
		phba->total_iocbq_bufs--;
	}

J
James Smart 已提交
1352
	spin_unlock_irq(&phba->hbalock);
已提交
1353 1354 1355 1356

	return 0;
}

J
James Smart 已提交
1357 1358
struct lpfc_vport *
lpfc_create_port(struct lpfc_hba *phba, int instance)
1359
{
J
James Smart 已提交
1360 1361 1362
	struct lpfc_vport *vport;
	struct Scsi_Host  *shost;
	int error = 0;
1363

J
James Smart 已提交
1364 1365 1366
	shost = scsi_host_alloc(&lpfc_template, sizeof(struct lpfc_vport));
	if (!shost)
		goto out;
1367

J
James Smart 已提交
1368 1369
	vport = (struct lpfc_vport *) shost->hostdata;
	vport->phba = phba;
1370

J
James Smart 已提交
1371
	vport->load_flag |= FC_LOADING;
1372

J
James Smart 已提交
1373 1374 1375 1376 1377
	shost->unique_id = instance;
	shost->max_id = LPFC_MAX_TARGET;
	shost->max_lun = phba->cfg_max_luns;
	shost->this_id = -1;
	shost->max_cmd_len = 16;
1378
	/*
J
James Smart 已提交
1379 1380 1381
	 * 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.
1382
	 */
J
James Smart 已提交
1383 1384
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
	shost->transportt = lpfc_transport_template;
1385

J
James Smart 已提交
1386 1387 1388
	/* Initialize all internally managed lists. */
	INIT_LIST_HEAD(&vport->fc_nodes);
	spin_lock_init(&vport->work_port_lock);
1389

J
James Smart 已提交
1390 1391 1392
	init_timer(&vport->fc_disctmo);
	vport->fc_disctmo.function = lpfc_disc_timeout;
	vport->fc_disctmo.data = (unsigned long) vport;
1393

J
James Smart 已提交
1394 1395 1396
	init_timer(&vport->fc_fdmitmo);
	vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
	vport->fc_fdmitmo.data = (unsigned long) vport;
1397

J
James Smart 已提交
1398 1399 1400
	init_timer(&vport->els_tmofunc);
	vport->els_tmofunc.function = lpfc_els_timeout;
	vport->els_tmofunc.data = (unsigned long) vport;
1401

J
James Smart 已提交
1402 1403 1404
	error = scsi_add_host(shost, &phba->pcidev->dev);
	if (error)
		goto out_put_shost;
1405

J
James Smart 已提交
1406 1407 1408
	list_add_tail(&vport->listentry, &phba->port_list);
	scsi_scan_host(shost);
	return vport;
1409

J
James Smart 已提交
1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424
out_put_shost:
	scsi_host_put(shost);
out:
	return NULL;
}

void
destroy_port(struct lpfc_vport *vport)
{
	lpfc_cleanup(vport);
	list_del(&vport->listentry);
	lpfc_free_sysfs_attr(vport);
	fc_remove_host(lpfc_shost_from_vport(vport));
	scsi_remove_host(lpfc_shost_from_vport(vport));
	return;
1425 1426
}

J
James Smart 已提交
1427 1428
static void
lpfc_remove_device(struct lpfc_vport *vport)
1429
{
J
James Smart 已提交
1430 1431
	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
	struct lpfc_hba  *phba  = vport->phba;
1432

J
James Smart 已提交
1433
	lpfc_free_sysfs_attr(vport);
1434

J
James Smart 已提交
1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448
	spin_lock_irq(shost->host_lock);
	vport->fc_flag |= FC_UNLOADING;
	spin_unlock_irq(shost->host_lock);

	fc_remove_host(shost);
	scsi_remove_host(shost);

	kthread_stop(phba->worker_thread);
}

void lpfc_scan_start(struct Scsi_Host *shost)
{
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
1449

J
James Smart 已提交
1450
	if (lpfc_alloc_sysfs_attr(vport))
1451 1452 1453 1454 1455 1456
		goto error;

	/*
	 * hba setup may have changed the hba_queue_depth so we need to adjust
	 * the value of can_queue.
	 */
J
James Smart 已提交
1457
	shost->can_queue = phba->cfg_hba_queue_depth - 10;
1458 1459 1460
	return;

error:
J
James Smart 已提交
1461
	lpfc_remove_device(vport);
1462 1463 1464 1465
}

int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
J
James Smart 已提交
1466 1467
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;
1468

J
James Smart 已提交
1469 1470 1471 1472 1473
	if (time >= 30 * HZ) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"%d:0461 Scanning longer than 30 "
				"seconds.  Continuing initialization\n",
				phba->brd_no);
1474
		goto finished;
J
James Smart 已提交
1475 1476 1477 1478 1479 1480 1481 1482
	}
	if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
				"%d:0465 Link down longer than 15 "
				"seconds.  Continuing initialization\n",
				phba->brd_no);
		goto finished;
	}
1483

J
James Smart 已提交
1484
	if (vport->port_state != LPFC_VPORT_READY)
1485
		return 0;
J
James Smart 已提交
1486
	if (vport->num_disc_nodes || vport->fc_prli_sent)
1487
		return 0;
J
James Smart 已提交
1488
	if (vport->fc_map_cnt == 0 && time < 2 * HZ)
1489
		return 0;
J
James Smart 已提交
1490
	if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
1491 1492 1493 1494
		return 0;

finished:
	/*
J
James Smart 已提交
1495
	 * Set fixed host attributes.  Must done after lpfc_sli_hba_setup().
1496 1497
	 */

J
James Smart 已提交
1498 1499
	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);
1500 1501 1502
	fc_host_supported_classes(shost) = FC_COS_CLASS3;

	memset(fc_host_supported_fc4s(shost), 0,
J
James Smart 已提交
1503
	       sizeof(fc_host_supported_fc4s(shost)));
1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
	fc_host_supported_fc4s(shost)[2] = 1;
	fc_host_supported_fc4s(shost)[7] = 1;

	lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));

	fc_host_supported_speeds(shost) = 0;
	if (phba->lmt & LMT_10Gb)
		fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
	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
1520 1521
		(((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
		(uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
1522 1523 1524

	/* This value is also unchanging */
	memset(fc_host_active_fc4s(shost), 0,
J
James Smart 已提交
1525
	       sizeof(fc_host_active_fc4s(shost)));
1526 1527 1528 1529
	fc_host_active_fc4s(shost)[2] = 1;
	fc_host_active_fc4s(shost)[7] = 1;

	spin_lock_irq(shost->host_lock);
J
James Smart 已提交
1530
	vport->fc_flag &= ~FC_LOADING;
1531 1532 1533 1534
	spin_unlock_irq(shost->host_lock);

	return 1;
}
已提交
1535 1536 1537 1538

static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
J
James Smart 已提交
1539 1540 1541
	struct lpfc_vport *vport = NULL;
	struct lpfc_hba   *phba;
	struct lpfc_sli   *psli;
已提交
1542
	struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
J
James Smart 已提交
1543
	struct Scsi_Host  *shost = NULL;
已提交
1544 1545 1546
	unsigned long bar0map_len, bar2map_len;
	int error = -ENODEV, retval;
	int i;
1547
	uint16_t iotag;
已提交
1548 1549 1550 1551 1552 1553

	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
1554 1555
	phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL);
	if (!phba)
已提交
1556 1557
		goto out_release_regions;

J
James Smart 已提交
1558
	spin_lock_init(&phba->hbalock);
已提交
1559 1560 1561 1562 1563

	phba->pcidev = pdev;

	/* Assign an unused board number */
	if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
J
James Smart 已提交
1564
		goto out_free_phba;
已提交
1565 1566 1567

	error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no);
	if (error)
J
James Smart 已提交
1568 1569 1570
		goto out_free_phba;

	INIT_LIST_HEAD(&phba->port_list);
已提交
1571

J
James Smart 已提交
1572 1573 1574 1575 1576
	/*
	 * Get all the module params for configuring this host and then
	 * establish the host.
	 */
	lpfc_get_cfgparam(phba);
已提交
1577 1578 1579 1580

	/* Initialize timers used by driver */
	init_timer(&phba->fc_estabtmo);
	phba->fc_estabtmo.function = lpfc_establish_link_tmo;
J
James Smart 已提交
1581
	phba->fc_estabtmo.data = (unsigned long) phba;
已提交
1582 1583 1584
	psli = &phba->sli;
	init_timer(&psli->mbox_tmo);
	psli->mbox_tmo.function = lpfc_mbox_timeout;
J
James Smart 已提交
1585
	psli->mbox_tmo.data = (unsigned long) phba;
1586 1587
	init_timer(&phba->fcp_poll_timer);
	phba->fcp_poll_timer.function = lpfc_poll_timeout;
J
James Smart 已提交
1588
	phba->fcp_poll_timer.data = (unsigned long) phba;
已提交
1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609

	pci_set_master(pdev);
	retval = pci_set_mwi(pdev);
	if (retval)
		dev_printk(KERN_WARNING, &pdev->dev,
			   "Warning: pci_set_mwi returned %d\n", retval);

	if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0)
		if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0)
			goto out_idr_remove;

	/*
	 * Get the bus address of Bar0 and Bar2 and the number of bytes
	 * required by each mapping.
	 */
	phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0);
	bar0map_len        = pci_resource_len(phba->pcidev, 0);

	phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
	bar2map_len        = pci_resource_len(phba->pcidev, 2);

1610
	/* Map HBA SLIM to a kernel virtual address. */
已提交
1611
	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
1612 1613 1614 1615 1616 1617 1618 1619
	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
1620
	phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
1621 1622 1623 1624 1625 1626
	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
1627 1628 1629 1630 1631 1632 1633

	/* 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;

1634
	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
已提交
1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656

	/* Initialize the SLI Layer to run with lpfc HBAs. */
	lpfc_sli_setup(phba);
	lpfc_sli_queue_setup(phba);

	error = lpfc_mem_alloc(phba);
	if (error)
		goto out_free_slim;

	/* Initialize and populate the iocb list per host.  */
	INIT_LIST_HEAD(&phba->lpfc_iocb_list);
	for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) {
		iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
		if (iocbq_entry == NULL) {
			printk(KERN_ERR "%s: only allocated %d iocbs of "
				"expected %d count. Unloading driver.\n",
				__FUNCTION__, i, LPFC_IOCB_LIST_CNT);
			error = -ENOMEM;
			goto out_free_iocbq;
		}

		memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq));
1657 1658 1659 1660 1661 1662 1663 1664 1665
		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
1666 1667

		spin_lock_irq(&phba->hbalock);
已提交
1668 1669
		list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
		phba->total_iocbq_bufs++;
J
James Smart 已提交
1670
		spin_unlock_irq(&phba->hbalock);
已提交
1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691
	}

	/* 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. */
1692
	spin_lock_init(&phba->scsi_buf_list_lock);
已提交
1693 1694
	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);

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James Smart 已提交
1695 1696 1697 1698 1699 1700 1701 1702 1703
	vport = lpfc_create_port(phba, phba->brd_no);
	if (!vport)
		goto out_kthread_stop;

	shost = lpfc_shost_from_vport(vport);
	vport->port_type = LPFC_PHYSICAL_PORT;
	phba->pport = vport;

	pci_set_drvdata(pdev, lpfc_shost_from_vport(vport));
已提交
1704

1705 1706 1707 1708 1709 1710 1711 1712
	if (phba->cfg_use_msi) {
		error = pci_enable_msi(phba->pcidev);
		if (error)
			lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 "
					"Enable MSI failed, continuing with "
					"IRQ\n", phba->brd_no);
	}

1713
	error =	request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
J
James Smart 已提交
1714
			    LPFC_DRIVER_NAME, phba);
已提交
1715 1716 1717 1718
	if (error) {
		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
			"%d:0451 Enable interrupt handler failed\n",
			phba->brd_no);
J
James Smart 已提交
1719
		goto out_destroy_port;
已提交
1720 1721
	}

J
James Smart 已提交
1722 1723 1724 1725 1726 1727 1728
	phba->MBslimaddr = phba->slim_memmap_p;
	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;

	error = lpfc_sli_hba_setup(phba);
1729
	if (error)
已提交
1730
		goto out_free_irq;
1731

J
James Smart 已提交
1732 1733 1734 1735 1736
	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
1737 1738 1739 1740 1741

	return 0;

out_free_irq:
	lpfc_stop_timer(phba);
J
James Smart 已提交
1742
	phba->pport->work_port_events = 0;
已提交
1743
	free_irq(phba->pcidev->irq, phba);
1744
	pci_disable_msi(phba->pcidev);
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James Smart 已提交
1745 1746
out_destroy_port:
	destroy_port(vport);
已提交
1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760
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);
out_free_slim:
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
							phba->slim2p_mapping);
out_iounmap:
	iounmap(phba->ctrl_regs_memmap_p);
1761
out_iounmap_slim:
已提交
1762 1763 1764
	iounmap(phba->slim_memmap_p);
out_idr_remove:
	idr_remove(&lpfc_hba_index, phba->brd_no);
J
James Smart 已提交
1765 1766
out_free_phba:
	kfree(phba);
已提交
1767 1768 1769 1770 1771
out_release_regions:
	pci_release_regions(pdev);
out_disable_device:
	pci_disable_device(pdev);
out:
1772
	pci_set_drvdata(pdev, NULL);
已提交
1773 1774 1775 1776 1777 1778
	return error;
}

static void __devexit
lpfc_pci_remove_one(struct pci_dev *pdev)
{
J
James Smart 已提交
1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800
	struct Scsi_Host  *shost = pci_get_drvdata(pdev);
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
	struct lpfc_hba   *phba = vport->phba;

	vport->load_flag |= FC_UNLOADING;
	lpfc_remove_device(vport);

	/*
	 * 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);

	lpfc_stop_timer(phba);

	kthread_stop(phba->worker_thread);

	/* Release the irq reservation */
	free_irq(phba->pcidev->irq, phba);
	pci_disable_msi(phba->pcidev);
已提交
1801

J
James Smart 已提交
1802 1803
	vport->work_port_events = 0;
	destroy_port(vport);
已提交
1804 1805

	pci_set_drvdata(pdev, NULL);
J
James Smart 已提交
1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827

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

	/* Free resources associated with SLI2 interface */
	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
			  phba->slim2p, phba->slim2p_mapping);

	/* unmap adapter SLIM and Control Registers */
	iounmap(phba->ctrl_regs_memmap_p);
	iounmap(phba->slim_memmap_p);

	idr_remove(&lpfc_hba_index, phba->brd_no);

	kfree(phba);

	pci_release_regions(pdev);
	pci_disable_device(pdev);
已提交
1828 1829
}

1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845
/**
 * 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)
{
	struct Scsi_Host *host = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring  *pring;

1846
	if (state == pci_channel_io_perm_failure)
1847
		return PCI_ERS_RESULT_DISCONNECT;
1848

1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884
	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);

	/* 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)
{
	struct Scsi_Host *host = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
	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 */
J
James Smart 已提交
1885 1886 1887 1888
	spin_lock_irq(&phba->hbalock);
	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
	spin_unlock_irq(&phba->hbalock);
	spin_lock_irq(host->host_lock);
1889
	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
J
James Smart 已提交
1890
	spin_unlock_irq(host->host_lock);
1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916


	/* 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)
{
	struct Scsi_Host *host = pci_get_drvdata(pdev);
	struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;

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

已提交
1917 1918 1919
static struct pci_device_id lpfc_id_table[] = {
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
		PCI_ANY_ID, PCI_ANY_ID, },
1920 1921
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
		PCI_ANY_ID, PCI_ANY_ID, },
已提交
1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
	{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, },
1936 1937 1938 1939 1940 1941
	{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
1942 1943
	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
		PCI_ANY_ID, PCI_ANY_ID, },
1944 1945 1946 1947
	{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
1948 1949 1950 1951 1952 1953
	{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, },
1954 1955 1956 1957
	{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
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
	{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, },
1968 1969 1970 1971
	{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, },
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983
	{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
1984 1985 1986 1987 1988
	{ 0 }
};

MODULE_DEVICE_TABLE(pci, lpfc_id_table);

1989 1990 1991 1992 1993 1994
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
1995 1996 1997 1998 1999
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
2000
	.err_handler    = &lpfc_err_handler,
已提交
2001 2002 2003 2004 2005 2006 2007 2008
};

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

	printk(LPFC_MODULE_DESC "\n");
2009
	printk(LPFC_COPYRIGHT "\n");
已提交
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034

	lpfc_transport_template =
				fc_attach_transport(&lpfc_transport_functions);
	if (!lpfc_transport_template)
		return -ENOMEM;
	error = pci_register_driver(&lpfc_driver);
	if (error)
		fc_release_transport(lpfc_transport_template);

	return error;
}

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

module_init(lpfc_init);
module_exit(lpfc_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION(LPFC_MODULE_DESC);
MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
MODULE_VERSION("0:" LPFC_DRIVER_VERSION);