The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/mpt/mpt_cam.h

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    1 /* $FreeBSD$ */
    2 /*-
    3  * LSI MPT Host Adapter FreeBSD Wrapper Definitions (CAM version)
    4  *
    5  * Copyright (c) 2000, 2001 by Greg Ansley, Adam Prewett
    6  *
    7  * Partially derived from Matty Jacobs ISP driver.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice immediately at the beginning of the file, without modification,
   14  *    this list of conditions, and the following disclaimer.
   15  * 2. The name of the author may not be used to endorse or promote products
   16  *    derived from this software without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  */
   28 /*-
   29  * Copyright (c) 2002, 2006 by Matthew Jacob
   30  * All rights reserved.
   31  * 
   32  * Redistribution and use in source and binary forms, with or without
   33  * modification, are permitted provided that the following conditions are
   34  * met:
   35  * 1. Redistributions of source code must retain the above copyright
   36  *    notice, this list of conditions and the following disclaimer.
   37  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   38  *    substantially similar to the "NO WARRANTY" disclaimer below
   39  *    ("Disclaimer") and any redistribution must be conditioned upon including
   40  *    a substantially similar Disclaimer requirement for further binary
   41  *    redistribution.
   42  * 3. Neither the names of the above listed copyright holders nor the names
   43  *    of any contributors may be used to endorse or promote products derived
   44  *    from this software without specific prior written permission.
   45  * 
   46  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   47  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   49  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   50  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   51  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   52  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   53  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   54  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   55  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
   56  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   57  *
   58  * Support from Chris Ellsworth in order to make SAS adapters work
   59  * is gratefully acknowledged.
   60  *
   61  * Support from LSI-Logic has also gone a great deal toward making this a
   62  * workable subsystem and is gratefully acknowledged.
   63  */
   64 /*-
   65  * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
   66  * Copyright (c) 2005, WHEEL Sp. z o.o.
   67  * Copyright (c) 2004, 2005 Justin T. Gibbs
   68  * All rights reserved.
   69  * 
   70  * Redistribution and use in source and binary forms, with or without
   71  * modification, are permitted provided that the following conditions are
   72  * met:
   73  * 1. Redistributions of source code must retain the above copyright
   74  *    notice, this list of conditions and the following disclaimer.
   75  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   76  *    substantially similar to the "NO WARRANTY" disclaimer below
   77  *    ("Disclaimer") and any redistribution must be conditioned upon including
   78  *    a substantially similar Disclaimer requirement for further binary
   79  *    redistribution.
   80  * 3. Neither the names of the above listed copyright holders nor the names
   81  *    of any contributors may be used to endorse or promote products derived
   82  *    from this software without specific prior written permission.
   83  * 
   84  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   85  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   86  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   87  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   88  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   89  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   90  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   91  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   92  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   93  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
   94  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   95  */
   96 #ifndef  _MPT_CAM_H_
   97 #define  _MPT_CAM_H_
   98 
   99 #include <cam/cam.h>
  100 #include <cam/cam_debug.h>
  101 #include <cam/cam_ccb.h>
  102 #include <cam/cam_sim.h>
  103 #include <cam/cam_xpt.h>
  104 #include <cam/cam_periph.h>
  105 #include <cam/cam_xpt_periph.h>
  106 #include <cam/cam_xpt_sim.h>
  107 #include <cam/cam_debug.h>
  108 #include <cam/scsi/scsi_all.h>
  109 #include <cam/scsi/scsi_message.h>
  110 
  111 #define ccb_mpt_ptr sim_priv.entries[0].ptr
  112 #define ccb_req_ptr sim_priv.entries[1].ptr
  113 
  114 /************************** CCB Manipulation Routines *************************/
  115 static __inline void mpt_freeze_ccb(union ccb *ccb);
  116 static __inline void mpt_set_ccb_status(union ccb *ccb, cam_status status);
  117 
  118 static __inline void
  119 mpt_freeze_ccb(union ccb *ccb)
  120 {
  121         if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
  122                 ccb->ccb_h.status |= CAM_DEV_QFRZN;
  123                 xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
  124         }
  125 }
  126 
  127 static __inline void
  128 mpt_set_ccb_status(union ccb *ccb, cam_status status)
  129 {
  130         ccb->ccb_h.status &= ~CAM_STATUS_MASK;
  131         ccb->ccb_h.status |= status;
  132 }
  133 
  134 /****************************** Timeout Recovery ******************************/
  135 /*
  136  * The longest timeout specified for a Task Managent command.
  137  */
  138 #define MPT_TMF_MAX_TIMEOUT     (20000)
  139 
  140 static __inline void
  141 mpt_wakeup_recovery_thread(struct mpt_softc *mpt)
  142 {
  143         wakeup(mpt);
  144 }
  145 
  146 #endif /*_MPT_CAM_H_ */

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