kdumpd.tproj/kdump.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1983, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)kdump.h     8.1 (Berkeley) 6/2/93
  55  */
  56
  57 #ifndef _KDUMP_H_
  58 #define _KDUMP_H_
  59
  60 /* Mac OS X kernel core dump server, based on the BSD trivial file
  61  * transfer protocol server (FreeBSD distribution), with several
  62  * modifications. This server is *not* compatible with tftp, as the
  63  * protocol has changed considerably.
  64  */
  65
  66 #define SEGSIZE         512             /* data segment size */
  67
  68 /*
  69  * Packet types.
  70  */
  71 #define RRQ     1                       /* read request */
  72 #define WRQ     2                       /* write request */
  73 #define DATA    3                       /* data packet */
  74 #define ACK     4                       /* acknowledgement */
  75 #define ERROR   5                       /* error code */
  76 #define KDP_SEEK 6                     /* Seek to specified offset */
  77 #define KDP_EOF  7                     /* end of file */
  78
  79 struct  kdumphdr {
  80         short   th_opcode;              /* packet type */
  81         union {
  82                 unsigned int tu_block;  /* block # */
  83                 unsigned int tu_code;   /* error code */
  84                 char    tu_stuff[1];    /* request packet stuff */
  85         } th_u;
  86         char    th_data[1];             /* data or error string */
  87 }__attribute__((packed));
  88
  89 #define th_block        th_u.tu_block
  90 #define th_code         th_u.tu_code
  91 #define th_stuff        th_u.tu_stuff
  92 #define th_msg          th_data
  93
  94 /*
  95  * Error codes.
  96  */
  97 #define EUNDEF          0               /* not defined */
  98 #define ENOTFOUND       1               /* file not found */
  99 #define EACCESS         2               /* access violation */
 100 #define ENOSPACE        3               /* disk full or allocation exceeded */
 101 #define EBADOP          4               /* illegal KDUMP operation */
 102 #define EBADID          5               /* unknown transfer ID */
 103 #define EEXISTS         6               /* file already exists */
 104 #define ENOUSER         7               /* no such user */
 105
 106 #endif