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   1 /*
   2  * Copyright (c) 2005-2008, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _IPC_FS_H
  31 #define _IPC_FS_H
  33 #include <sys/types.h>
  34 #include <sys/dirent.h>
  35 #include <sys/stat.h>
  36 #include <sys/fcntl.h>
  37 #include <sys/ioctl.h>
  38 #include <ipc/ipc.h>
  40 #include <limits.h>
  42 /*
  43  * Messages for file system object
  44  */
  45 #define FS_MOUNT        0x00000200
  46 #define FS_UMOUNT       0x00000201
  47 #define FS_SYNC         0x00000202
  48 #define FS_OPEN         0x00000203
  49 #define FS_CLOSE        0x00000204
  50 #define FS_MKNOD        0x00000205
  51 #define FS_LSEEK        0x00000206
  52 #define FS_READ         0x00000207
  53 #define FS_WRITE        0x00000208
  54 #define FS_IOCTL        0x00000209
  55 #define FS_FSYNC        0x0000020A
  56 #define FS_FSTAT        0x0000020B
  57 #define FS_OPENDIR      0x0000020C
  58 #define FS_CLOSEDIR     0x0000020D
  59 #define FS_READDIR      0x0000020E
  60 #define FS_REWINDDIR    0x0000020F
  61 #define FS_SEEKDIR      0x00000210
  62 #define FS_TELLDIR      0x00000211
  63 #define FS_MKDIR        0x00000212
  64 #define FS_RMDIR        0x00000213
  65 #define FS_RENAME       0x00000214
  66 #define FS_CHDIR        0x00000215
  67 #define FS_LINK         0x00000216
  68 #define FS_UNLINK       0x00000217
  69 #define FS_STAT         0x00000218
  70 #define FS_GETCWD       0x00000219
  71 #define FS_DUP          0x0000021A
  72 #define FS_DUP2         0x0000021B
  73 #define FS_FCNTL        0x0000021C
  74 #define FS_ACCESS       0x0000021D
  75 #define FS_FORK         0x0000021E
  76 #define FS_EXEC         0x0000021F
  77 #define FS_EXIT         0x00000220
  78 #define FS_REGISTER     0x00000221
  79 #define FS_PIPE         0x00000222
  80 #define FS_ISATTY       0x00000223
  81 #define FS_TRUNCATE     0x00000224
  82 #define FS_FTRUNCATE    0x00000225
  83 #define FS_FCHDIR       0x00000226
  85 /*
  86  * Mount message
  87  */
  88 struct mount_msg {
  89         struct msg_header hdr;          /* message header */
  90         char    dev[PATH_MAX];          /* mount device */
  91         char    dir[PATH_MAX];          /* mount directory */
  92         char    fs[16];                 /* file system name */
  93         int     flags;                  /* mount flags */
  94         char    data[64];               /* file system specific data */
  95 };
  97 /*
  98  * File open message
  99  */
 100 struct open_msg {
 101         struct msg_header hdr;          /* message header */
 102         int     flags;                  /* open flag */
mode_t  mode;                   /* open mode */
 104         char    path[PATH_MAX];         /* open file */
 105         int     fd;                     /* file descriptor */
 106 };
 108 /*
 109  * I/O request message
 110  */
 111 struct io_msg {
 112         struct msg_header hdr;          /* message header */
 113         int     fd;                     /* file descriptor */
 114         char    *buf;                   /* i/o buffer */
size_t  size;                   /* read/write size */
 116 };
 118 /*
 119  * File stat message
 120  */
 121 struct stat_msg {
 122         struct msg_header hdr;          /* message header */
 123         int     fd;                     /* file descriptor */
 124         char    path[PATH_MAX];         /* open file */
 125         struct stat st;
 126 };
 128 /*
 129  * Path management message
 130  */
 131 struct path_msg {
 132         struct msg_header hdr;          /* message header */
 133         int     fd;                     /* file descriptor */
 134         char    path[PATH_MAX];
 135         char    path2[PATH_MAX];
 136         int     data[4];
 137 };
 139 /*
 140  * Directory management message
 141  */
 142 struct dir_msg {
 143         struct msg_header hdr;          /* message header */
 144         int     fd;                     /* file descriptor */
 145         struct dirent dirent;           /* directory entry */
 146 };
 148 /*
 149  * IO cotrol message
 150  */
 151 struct ioctl_msg {
 152         struct msg_header hdr;          /* message header */
 153         int     fd;                     /* file descriptor */
u_long  request;                /* io control command */
 155         char    buf[IOCPARM_MAX];       /* parameter buffer */
 156 };
 158 /*
 159  * File control message
 160  */
 161 struct fcntl_msg {
 162         struct msg_header hdr;          /* message header */
 163         int     fd;                     /* file descriptor */
 164         int     cmd;                    /* command */
 165         int     arg;                    /* argument */
 166         struct flock lock;              /* file lock data */
 167 };
 170 /* Max size of fs message */
 171 #define MAX_FSMSG       sizeof(struct mount_msg)
 173 #endif /* !_IPC_FS_H */