915edfc618
attachment of new devices that arrive (and we notice them via async Fibre Channel events). We've always had the right thing (of sorts) happen when devices go away- this is the corollary function that makes multipath failover actually work. MFC after: 2 weeks
147 lines
6.4 KiB
C
147 lines
6.4 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* 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
|
|
*/
|
|
/*-
|
|
* Copyright (c) 2002, 2006 by Matthew Jacob
|
|
* 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.
|
|
*
|
|
* Support from Chris Ellsworth in order to make SAS adapters work
|
|
* is gratefully acknowledged.
|
|
*
|
|
* Support from LSI-Logic has also gone a great deal toward making this a
|
|
* workable subsystem and is gratefully acknowledged.
|
|
*/
|
|
/*-
|
|
* 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_periph.h>
|
|
#include <cam/cam_xpt_periph.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_ */
|