ffcf6651a0
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
/* $FreeBSD$ */
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/*-
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* LSI MPT Host Adapter FreeBSD Wrapper Definitions (CAM version)
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*
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* Copyright (c) 2000, 2001 by Greg Ansley, Adam Prewett
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*
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* Partially derived from Matty Jacobs ISP driver.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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*/
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/*-
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* Copyright (c) 2002, 2006 by Matthew Jacob
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon including
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* a substantially similar Disclaimer requirement for further binary
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* redistribution.
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* 3. Neither the names of the above listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
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* OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Support from Chris Ellsworth in order to make SAS adapters work
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* is gratefully acknowledged.
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*
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* Support from LSI-Logic has also gone a great deal toward making this a
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* workable subsystem and is gratefully acknowledged.
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*/
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/*-
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* Copyright (c) 2004, Avid Technology, Inc. and its contributors.
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* Copyright (c) 2005, WHEEL Sp. z o.o.
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* Copyright (c) 2004, 2005 Justin T. Gibbs
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon including
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* a substantially similar Disclaimer requirement for further binary
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* redistribution.
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* 3. Neither the names of the above listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
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* OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MPT_CAM_H_
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#define _MPT_CAM_H_
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#include <cam/cam.h>
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#include <cam/cam_debug.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_xpt.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_xpt_periph.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/cam_debug.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_message.h>
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#define ccb_mpt_ptr sim_priv.entries[0].ptr
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#define ccb_req_ptr sim_priv.entries[1].ptr
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/************************** CCB Manipulation Routines *************************/
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static __inline void mpt_freeze_ccb(union ccb *ccb);
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static __inline void mpt_set_ccb_status(union ccb *ccb, cam_status status);
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static __inline void
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mpt_freeze_ccb(union ccb *ccb)
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{
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if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
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ccb->ccb_h.status |= CAM_DEV_QFRZN;
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xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
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}
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}
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static __inline void
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mpt_set_ccb_status(union ccb *ccb, cam_status status)
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{
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ccb->ccb_h.status &= ~CAM_STATUS_MASK;
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ccb->ccb_h.status |= status;
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}
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/****************************** Timeout Recovery ******************************/
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/*
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* The longest timeout specified for a Task Managent command.
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*/
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#define MPT_TMF_MAX_TIMEOUT (20000)
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static __inline void
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mpt_wakeup_recovery_thread(struct mpt_softc *mpt)
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{
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wakeup(mpt);
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}
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#endif /*_MPT_CAM_H_ */
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