xref: /freebsd-11-stable/sys/dev/mpt/mpt_cam.h

/* $FreeBSD: head/sys/dev/mpt/mpt_cam.h 148679 2005-08-03 14:08:41Z gibbs $ */
/*-
 * LSI MPT Host Adapter FreeBSD Wrapper Definitions (CAM version)
 *
 * Copyright (c) 2000, 2001 by Greg Ansley, Adam Prewett
 *
 * Partially derived from Matty Jacobs ISP driver.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice immediately at the beginning of the file, without modification,
 *    this list of conditions, and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *
 * Additional Copyright (c) 2002 by Matthew Jacob under same license.
 */
/*-
 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
 * Copyright (c) 2005, WHEEL Sp. z o.o.
 * Copyright (c) 2004, 2005 Justin T. Gibbs
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon including
 *    a substantially similar Disclaimer requirement for further binary
 *    redistribution.
 * 3. Neither the names of the above listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef  _MPT_CAM_H_
#define  _MPT_CAM_H_

#include <cam/cam.h>
#include <cam/cam_debug.h>
#include <cam/cam_ccb.h>
#include <cam/cam_sim.h>
#include <cam/cam_xpt.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_debug.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>

#define ccb_mpt_ptr sim_priv.entries[0].ptr
#define ccb_req_ptr sim_priv.entries[1].ptr

/************************** CCB Manipulation Routines *************************/
static __inline void mpt_freeze_ccb(union ccb *ccb);
static __inline void mpt_set_ccb_status(union ccb *ccb, cam_status status);

static __inline void
mpt_freeze_ccb(union ccb *ccb)
{
	if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
		ccb->ccb_h.status |= CAM_DEV_QFRZN;
		xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
	}
}

static __inline void
mpt_set_ccb_status(union ccb *ccb, cam_status status)
{
	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
	ccb->ccb_h.status |= status;
}

/****************************** Timeout Recovery ******************************/
/*
 * The longest timeout specified for a Task Managent command.
 */
#define	MPT_TMF_MAX_TIMEOUT	(20000)

static __inline void
mpt_wakeup_recovery_thread(struct mpt_softc *mpt)
{
	wakeup(mpt);
}

#endif /*_MPT_CAM_H_ */