sys/arch/vax/include/cca.h

   1 /*      $NetBSD: cca.h,v 1.1 2000/07/06 17:34:29 ragge Exp $    */
   2
   3 /*
   4  * Copyright (c) 2000 Ludd, University of Lule}, Sweden. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed at Ludd, University of
  17  *      Lule}, Sweden and its contributors.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Console Communication Area (CCA) layout description.
  35  * OBS! This is incomplete and should be filled out if someone
  36  * find docs for it.
  37  */
  38
  39 struct cca {
  40         struct cca *cca_base;   /* Physical base address of block */
  41         uint16_t cca_size;      /* Size of this struct */
  42         uint16_t cca_id;        /* 'CC' */
  43         uint8_t  cca_maxcpu;    /* max number of CPUs */
  44         uint8_t  cca_cksum;     /* Checksum of all earlier bytes */
  45         uint8_t  cca_flags;
  46         uint8_t  cca_revision;
  47
  48         uint64_t cca_ready;     /* Data ready? */
  49         uint64_t cca_console;   /* Processors in console mode */
  50         uint64_t cca_enabled;   /* enabled/disabled */
  51         uint32_t cca_bitmapsz;  /* Size of memory bitmap */
  52         uint32_t cca_bitmap;    /* Address of memory bitmap */
  53         uint32_t cca_bmcksum;   /* Bitmap checksum */
  54         uint32_t cca_bootdev;   /* Node numbers */
  55         uint64_t cca_starting;  /* Processors currently starting */
  56         uint64_t cca_restart;   /* Processors currently restarting */
  57         uint32_t cca_pad1[3];
  58         uint64_t cca_halted;    /* Processors currently halted bny user */
  59         uint8_t  cca_sernum[8]; /* Serial number */
  60         uint8_t  cca_revs[16][8];/* CPU revisions */
  61         uint64_t cca_vecenab;   /* Processors with enabled vector processors */
  62         uint64_t cca_vecwork;   /* Processors with working vector processors */
  63         uint32_t cca_vecrevs[16];/* Vector processor revisions */
  64         uint8_t  cca_pad2[208];
  65 /* Inter-CPU communication structs */
  66         struct {
  67                 uint8_t cc_flags;       /* Status flags */
  68                 uint8_t cc_to;          /* Node sending to */
  69                 uint8_t cc_from;        /* Node sending from */
  70                 uint8_t cc_pad;
  71                 uint8_t cc_txlen;       /* Length of transmit message */
  72                 uint8_t cc_rxlen;       /* Length of receive message */
  73                 uint8_t cc_unbuf;
  74                 char    cc_txbuf[80];   /* Transmit buffer */
  75                 char    cc_rxbuf[80];   /* Receive buffer */
  76         } cca_cc[64];
  77 };
  78
  79 #ifdef _KERNEL
  80 extern  struct cca *cca;
  81 #endif