path: root/drivers/scsi/lpfc/lpfc_ct.c

/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * 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.                                     *
 *******************************************************************/

/*
 * Fibre Channel SCSI LAN Device Driver CT support
 */

#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/utsname.h>

#include <scsi/scsi.h>
#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"

#define HBA_PORTSPEED_UNKNOWN               0	/* Unknown - transceiver
						 * incapable of reporting */
#define HBA_PORTSPEED_1GBIT                 1	/* 1 GBit/sec */
#define HBA_PORTSPEED_2GBIT                 2	/* 2 GBit/sec */
#define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
#define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
#define HBA_PORTSPEED_10GBIT                4	/* 10 GBit/sec */
#define HBA_PORTSPEED_NOT_NEGOTIATED        5	/* Speed not established */

#define FOURBYTES	4


static char *lpfc_release_version = LPFC_DRIVER_VERSION;

/*
 * lpfc_ct_unsol_event
 */
static void
lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
		     struct lpfc_dmabuf *mp, uint32_t size)
{
	if (!mp) {
		printk(KERN_ERR "%s (%d): Unsolited CT, no buffer, "
		       "piocbq = %p, status = x%x, mp = %p, size = %d\n",
		       __FUNCTION__, __LINE__,
		       piocbq, piocbq->iocb.ulpStatus, mp, size);
	}

	printk(KERN_ERR "%s (%d): Ignoring unsolicted CT piocbq = %p, "
	       "buffer = %p, size = %d, status = x%x\n",
	       __FUNCTION__, __LINE__,
	       piocbq, mp, size,
	       piocbq->iocb.ulpStatus);
}

static void
lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
			  struct hbq_dmabuf *sp, uint32_t size)
{
	struct lpfc_dmabuf *mp = NULL;

	mp = sp ? &sp->dbuf : NULL;
	if (!mp) {
		printk(KERN_ERR "%s (%d): Unsolited CT, no "
		       "HBQ buffer, piocbq = %p, status = x%x\n",
		       __FUNCTION__, __LINE__,
		       piocbq, piocbq->iocb.ulpStatus);
	} else {
		lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
		printk(KERN_ERR "%s (%d): Ignoring unsolicted CT "
		       "piocbq = %p, buffer = %p, size = %d, "
		       "status = x%x\n",
		       __FUNCTION__, __LINE__,
		       piocbq, mp, size, piocbq->iocb.ulpStatus);
	}
}

void
lpfc_ct_unsol_event(struct lpfc_hba *phba, struct</