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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/mscp/mscpreg.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: mscpreg.h,v 1.5 2003/08/07 16:31:09 agc Exp $  */
    2 /*
    3  * Copyright (c) 1988 Regents of the University of California.
    4  * All rights reserved.
    5  *
    6  * This code is derived from software contributed to Berkeley by
    7  * Chris Torek.
    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, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      @(#)udareg.h    7.3 (Berkeley) 5/8/91
   34  */
   35 
   36 /*
   37  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
   38  *
   39  * This code is derived from software contributed to Berkeley by
   40  * Chris Torek.
   41  *
   42  * Redistribution and use in source and binary forms, with or without
   43  * modification, are permitted provided that the following conditions
   44  * are met:
   45  * 1. Redistributions of source code must retain the above copyright
   46  *    notice, this list of conditions and the following disclaimer.
   47  * 2. Redistributions in binary form must reproduce the above copyright
   48  *    notice, this list of conditions and the following disclaimer in the
   49  *    documentation and/or other materials provided with the distribution.
   50  * 3. All advertising materials mentioning features or use of this software
   51  *    must display the following acknowledgement:
   52  *      This product includes software developed by the University of
   53  *      California, Berkeley and its contributors.
   54  * 4. Neither the name of the University nor the names of its contributors
   55  *    may be used to endorse or promote products derived from this software
   56  *    without specific prior written permission.
   57  *
   58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   68  * SUCH DAMAGE.
   69  *
   70  *      @(#)udareg.h    7.3 (Berkeley) 5/8/91
   71  */
   72 
   73 /*
   74  * NRSPL2 and NCMDL2 control the number of response and command
   75  * packets respectively.  They may be any value from 0 to 7, though
   76  * setting them higher than 5 is unlikely to be of any value.
   77  * If you get warnings about your command ring being too small,
   78  * try increasing the values by one.
   79  */
   80 #ifndef NRSP
   81 #define NRSPL2  5
   82 #define NCMDL2  5
   83 #define NRSP    (1 << NRSPL2)
   84 #define NCMD    (1 << NCMDL2)
   85 #endif
   86 
   87 /*
   88  * Communication area definition. This seems to be the same for
   89  * all types of MSCP controllers.
   90  */
   91 
   92 struct mscp_ca {
   93         short   ca_xxx1;        /* unused */
   94         char    ca_xxx2;        /* unused */
   95         char    ca_bdp;         /* BDP to purge */
   96         short   ca_cmdint;      /* command ring transition flag */
   97         short   ca_rspint;      /* response ring transition flag */
   98         long    ca_rspdsc[NRSP];/* response descriptors */
   99         long    ca_cmddsc[NCMD];/* command descriptors */
  100 };
  101 
  102 /*
  103  * Simplified routines (e.g., uddump) reprogram the UDA50 for one command
  104  * and one response at a time; uda1ca is like udaca except that it provides
  105  * exactly one command and response descriptor.
  106  */
  107 struct mscp_1ca {
  108         short   ca_xxx1;
  109         char    ca_xxx2;
  110         char    ca_bdp;
  111         short   ca_cmdint;
  112         short   ca_rspint;
  113         long    ca_rspdsc;
  114         long    ca_cmddsc;
  115 };
  116 
  117 /*
  118  * Combined communications area and MSCP packet pools, per controller.
  119  * NRSP and NCMD must be defined before this struct is used.
  120  */
  121 
  122 struct  mscp_pack {
  123         struct  mscp_ca mp_ca;          /* communications area */
  124         struct  mscp mp_rsp[NRSP];      /* response packets */
  125         struct  mscp mp_cmd[NCMD];      /* command packets */
  126 };
  127 
  128 /*
  129  * Bits in UDA status register during initialisation
  130  */
  131 #define MP_ERR          0x8000  /* error */
  132 #define MP_STEP4        0x4000  /* step 4 has started */
  133 #define MP_STEP3        0x2000  /* step 3 has started */
  134 #define MP_STEP2        0x1000  /* step 2 has started */
  135 #define MP_STEP1        0x0800  /* step 1 has started */
  136 #define MP_NV           0x0400  /* no host settable interrupt vector */
  137 #define MP_QB           0x0200  /* controller supports Q22 bus */
  138 #define MP_DI           0x0100  /* controller implements diagnostics */
  139 #define MP_IE           0x0080  /* interrupt enable */
  140 #define MP_NCNRMASK     0x003f  /* in STEP1, bits 0-2=NCMDL2, 3-5=NRSPL2 */
  141 #define MP_IVECMASK     0x007f  /* in STEP2, bits 0-6 are interruptvec / 4 */
  142 #define MP_PI           0x0001  /* host requests adapter purge interrupts */
  143 #define MP_GO           0x0001  /* Go command to ctlr */
  144 
  145 #define ALLSTEPS        (MP_ERR | MP_STEP4 | MP_STEP3 | MP_STEP2 | MP_STEP1)
  146 
  147 #define STEP0MASK       (ALLSTEPS | MP_NV)
  148 
  149 #define STEP1MASK       (ALLSTEPS | MP_IE | MP_NCNRMASK) 
  150 #define STEP1GOOD       (MP_STEP2 | MP_IE | (NCMDL2 << 3) | NRSPL2)
  151  
  152 #define STEP2MASK       (ALLSTEPS | MP_IE | MP_IVECMASK)
  153 #define STEP2GOOD(iv)   (MP_STEP3 | MP_IE | (iv))
  154  
  155 #define STEP3MASK       ALLSTEPS
  156 #define STEP3GOOD       MP_STEP4
  157 

Cache object: 42b3531c6fcd7194121f6d07a663cd11


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.