ioctl-test.c

   1 /*
   2  * This program is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU General Public
   4  * License v2 as published by the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   9  * General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public
  12  * License along with this program; if not, write to the
  13  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  14  * Boston, MA 021110-1307, USA.
  15  */
  16
  17 #include "kerncompat.h"
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20
  21 #include "ioctl.h"
  22 #include "ctree.h"
  23
  24 #define LIST_32_COMPAT                          \
  25         ONE(BTRFS_IOC_SET_RECEIVED_SUBVOL_32)
  26
  27 #define LIST_64_COMPAT                          \
  28         ONE(BTRFS_IOC_SEND_64)
  29
  30 #define LIST_BASE                               \
  31         ONE(BTRFS_IOC_SNAP_CREATE)              \
  32         ONE(BTRFS_IOC_DEFRAG)                   \
  33         ONE(BTRFS_IOC_RESIZE)                   \
  34         ONE(BTRFS_IOC_SCAN_DEV)                 \
  35         ONE(BTRFS_IOC_TRANS_START)              \
  36         ONE(BTRFS_IOC_TRANS_END)                \
  37         ONE(BTRFS_IOC_SYNC)                     \
  38         ONE(BTRFS_IOC_CLONE)                    \
  39         ONE(BTRFS_IOC_ADD_DEV)                  \
  40         ONE(BTRFS_IOC_RM_DEV)                   \
  41         ONE(BTRFS_IOC_BALANCE)                  \
  42         ONE(BTRFS_IOC_CLONE_RANGE)              \
  43         ONE(BTRFS_IOC_SUBVOL_CREATE)            \
  44         ONE(BTRFS_IOC_SNAP_DESTROY)             \
  45         ONE(BTRFS_IOC_DEFRAG_RANGE)             \
  46         ONE(BTRFS_IOC_TREE_SEARCH)              \
  47         ONE(BTRFS_IOC_TREE_SEARCH_V2)           \
  48         ONE(BTRFS_IOC_INO_LOOKUP)               \
  49         ONE(BTRFS_IOC_DEFAULT_SUBVOL)           \
  50         ONE(BTRFS_IOC_SPACE_INFO)               \
  51         ONE(BTRFS_IOC_START_SYNC)               \
  52         ONE(BTRFS_IOC_WAIT_SYNC)                \
  53         ONE(BTRFS_IOC_SNAP_CREATE_V2)           \
  54         ONE(BTRFS_IOC_SUBVOL_CREATE_V2)         \
  55         ONE(BTRFS_IOC_SUBVOL_GETFLAGS)          \
  56         ONE(BTRFS_IOC_SUBVOL_SETFLAGS)          \
  57         ONE(BTRFS_IOC_SCRUB)                    \
  58         ONE(BTRFS_IOC_SCRUB_CANCEL)             \
  59         ONE(BTRFS_IOC_SCRUB_PROGRESS)           \
  60         ONE(BTRFS_IOC_DEV_INFO)                 \
  61         ONE(BTRFS_IOC_FS_INFO)                  \
  62         ONE(BTRFS_IOC_BALANCE_V2)               \
  63         ONE(BTRFS_IOC_BALANCE_CTL)              \
  64         ONE(BTRFS_IOC_BALANCE_PROGRESS)         \
  65         ONE(BTRFS_IOC_INO_PATHS)                \
  66         ONE(BTRFS_IOC_LOGICAL_INO)              \
  67         ONE(BTRFS_IOC_SET_RECEIVED_SUBVOL)      \
  68         ONE(BTRFS_IOC_SEND)                     \
  69         ONE(BTRFS_IOC_DEVICES_READY)            \
  70         ONE(BTRFS_IOC_QUOTA_CTL)                \
  71         ONE(BTRFS_IOC_QGROUP_ASSIGN)            \
  72         ONE(BTRFS_IOC_QGROUP_CREATE)            \
  73         ONE(BTRFS_IOC_QGROUP_LIMIT)             \
  74         ONE(BTRFS_IOC_QUOTA_RESCAN)             \
  75         ONE(BTRFS_IOC_QUOTA_RESCAN_STATUS)      \
  76         ONE(BTRFS_IOC_QUOTA_RESCAN_WAIT)        \
  77         ONE(BTRFS_IOC_GET_FSLABEL)              \
  78         ONE(BTRFS_IOC_SET_FSLABEL)              \
  79         ONE(BTRFS_IOC_GET_DEV_STATS)            \
  80         ONE(BTRFS_IOC_DEV_REPLACE)              \
  81         ONE(BTRFS_IOC_FILE_EXTENT_SAME)         \
  82         ONE(BTRFS_IOC_GET_FEATURES)             \
  83         ONE(BTRFS_IOC_SET_FEATURES)             \
  84         ONE(BTRFS_IOC_GET_SUPPORTED_FEATURES)   \
  85         ONE(BTRFS_IOC_RM_DEV_V2)
  86
  87 #define LIST                                    \
  88         LIST_BASE                               \
  89         LIST_32_COMPAT                          \
  90         LIST_64_COMPAT
  91
  92 struct ioctl_number {
  93         unsigned long defined;
  94         unsigned long expected;
  95 };
  96
  97 static struct ioctl_number expected_list[] = {
  98         { BTRFS_IOC_SNAP_CREATE,                    0x0050009401 },
  99         { BTRFS_IOC_DEFRAG,                         0x0050009402 },
 100         { BTRFS_IOC_RESIZE,                         0x0050009403 },
 101         { BTRFS_IOC_SCAN_DEV,                       0x0050009404 },
 102         { BTRFS_IOC_TRANS_START,                    0x0000009406 },
 103         { BTRFS_IOC_TRANS_END,                      0x0000009407 },
 104         { BTRFS_IOC_SYNC,                           0x0000009408 },
 105         { BTRFS_IOC_CLONE,                          0x0040049409 },
 106         { BTRFS_IOC_ADD_DEV,                        0x005000940a },
 107         { BTRFS_IOC_RM_DEV,                         0x005000940b },
 108         { BTRFS_IOC_BALANCE,                        0x005000940c },
 109         { BTRFS_IOC_CLONE_RANGE,                    0x004020940d },
 110         { BTRFS_IOC_SUBVOL_CREATE,                  0x005000940e },
 111         { BTRFS_IOC_SNAP_DESTROY,                   0x005000940f },
 112         { BTRFS_IOC_DEFRAG_RANGE,                   0x0040309410 },
 113         { BTRFS_IOC_TREE_SEARCH,                    0x00d0009411 },
 114         { BTRFS_IOC_TREE_SEARCH_V2,                 0x00c0709411 },
 115         { BTRFS_IOC_INO_LOOKUP,                     0x00d0009412 },
 116         { BTRFS_IOC_DEFAULT_SUBVOL,                 0x0040089413 },
 117         { BTRFS_IOC_SPACE_INFO,                     0x00c0109414 },
 118         { BTRFS_IOC_START_SYNC,                     0x0080089418 },
 119         { BTRFS_IOC_WAIT_SYNC,                      0x0040089416 },
 120         { BTRFS_IOC_SNAP_CREATE_V2,                 0x0050009417 },
 121         { BTRFS_IOC_SUBVOL_CREATE_V2,               0x0050009418 },
 122         { BTRFS_IOC_SUBVOL_GETFLAGS,                0x0080089419 },
 123         { BTRFS_IOC_SUBVOL_SETFLAGS,                0x004008941a },
 124         { BTRFS_IOC_SCRUB,                          0x00c400941b },
 125         { BTRFS_IOC_SCRUB_CANCEL,                   0x000000941c },
 126         { BTRFS_IOC_SCRUB_PROGRESS,                 0x00c400941d },
 127         { BTRFS_IOC_DEV_INFO,                       0x00d000941e },
 128         { BTRFS_IOC_FS_INFO,                        0x008400941f },
 129         { BTRFS_IOC_BALANCE_V2,                     0x00c4009420 },
 130         { BTRFS_IOC_BALANCE_CTL,                    0x0040049421 },
 131         { BTRFS_IOC_BALANCE_PROGRESS,               0x0084009422 },
 132         { BTRFS_IOC_INO_PATHS,                      0x00c0389423 },
 133         { BTRFS_IOC_LOGICAL_INO,                    0x00c0389424 },
 134         { BTRFS_IOC_SET_RECEIVED_SUBVOL,            0x00c0c89425 },
 135 #ifdef BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED
 136         { BTRFS_IOC_SET_RECEIVED_SUBVOL_32,         0x00c0c09425 },
 137 #endif
 138 #if BITS_PER_LONG == 32
 139         { BTRFS_IOC_SEND,                           0x0040449426 },
 140 #elif BITS_PER_LONG == 64
 141         { BTRFS_IOC_SEND,                           0x0040489426 },
 142 #endif
 143 #ifdef BTRFS_IOC_SEND_64_COMPAT_DEFINED
 144         { BTRFS_IOC_SEND_64,                        0x0040489426 },
 145 #endif
 146         { BTRFS_IOC_DEVICES_READY,                  0x0090009427 },
 147         { BTRFS_IOC_QUOTA_CTL,                      0x00c0109428 },
 148         { BTRFS_IOC_QGROUP_ASSIGN,                  0x0040189429 },
 149         { BTRFS_IOC_QGROUP_CREATE,                  0x004010942a },
 150         { BTRFS_IOC_QGROUP_LIMIT,                   0x008030942b },
 151         { BTRFS_IOC_QUOTA_RESCAN,                   0x004040942c },
 152         { BTRFS_IOC_QUOTA_RESCAN_STATUS,            0x008040942d },
 153         { BTRFS_IOC_QUOTA_RESCAN_WAIT,              0x000000942e },
 154         { BTRFS_IOC_GET_FSLABEL,                    0x0081009431 },
 155         { BTRFS_IOC_SET_FSLABEL,                    0x0041009432 },
 156         { BTRFS_IOC_GET_DEV_STATS,                  0x00c4089434 },
 157         { BTRFS_IOC_DEV_REPLACE,                    0x00ca289435 },
 158         { BTRFS_IOC_FILE_EXTENT_SAME,               0x00c0189436 },
 159         { BTRFS_IOC_GET_FEATURES,                   0x0080189439 },
 160         { BTRFS_IOC_SET_FEATURES,                   0x0040309439 },
 161         { BTRFS_IOC_GET_SUPPORTED_FEATURES,         0x0080489439 },
 162         { BTRFS_IOC_RM_DEV_V2,                      0x005000943a },
 163 };
 164
 165 static struct btrfs_ioctl_vol_args used_vol_args __attribute__((used));
 166 static struct btrfs_ioctl_vol_args_v2 used_vol_args2 __attribute__((used));
 167 static struct btrfs_ioctl_clone_range_args used_clone_args __attribute__((used));
 168 static struct btrfs_ioctl_defrag_range_args used_defrag_args __attribute__((used));
 169 static struct btrfs_ioctl_search_args used_search_args __attribute__((used));
 170 static struct btrfs_ioctl_search_args_v2 used_search_args2 __attribute__((used));
 171 static struct btrfs_ioctl_ino_lookup_args used_ino_lookup __attribute__((used));
 172 static struct btrfs_ioctl_space_args used_space_args __attribute__((used));
 173 static struct btrfs_ioctl_scrub_args used_scrub_args __attribute__((used));
 174 static struct btrfs_ioctl_dev_info_args used_dev_info_args __attribute__((used));
 175 static struct btrfs_ioctl_fs_info_args used_fs_info_args __attribute__((used));
 176 static struct btrfs_ioctl_balance_args used_balance_args __attribute__((used));
 177 static struct btrfs_ioctl_ino_path_args used_path_args __attribute__((used));
 178 static struct btrfs_ioctl_logical_ino_args used_logical_args __attribute__((used));
 179 static struct btrfs_ioctl_received_subvol_args used_received_args __attribute__((used));
 180 #ifdef BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED
 181 static struct btrfs_ioctl_received_subvol_args_32 used_received_args32 __attribute__((used));
 182 #endif
 183 static struct btrfs_ioctl_send_args used_send_args __attribute__((used));
 184 #ifdef BTRFS_IOC_SEND_64_COMPAT_DEFINED
 185 static struct btrfs_ioctl_send_args_64 used_send_args64 __attribute__((used));
 186 #endif
 187 static struct btrfs_ioctl_quota_ctl_args used_qgctl_args __attribute__((used));
 188 static struct btrfs_ioctl_qgroup_assign_args used_qgassign_args __attribute__((used));
 189 static struct btrfs_ioctl_qgroup_create_args used_qgcreate_args __attribute__((used));
 190 static struct btrfs_ioctl_qgroup_limit_args used_qglimit_args __attribute__((used));
 191 static struct btrfs_ioctl_quota_rescan_args used_qgrescan_args __attribute__((used));
 192 static struct btrfs_ioctl_get_dev_stats used_dev_stats_args __attribute__((used));
 193 static struct btrfs_ioctl_dev_replace_args used_replace_args __attribute__((used));
 194 static struct btrfs_ioctl_same_args used_same_args __attribute__((used));
 195 static struct btrfs_ioctl_feature_flags used_feature_flags __attribute__((used));
 196
 197 const char* value_to_string(unsigned long num)
 198 {
 199 #define ONE(x)  case x: return #x;
 200         switch (num) {
 201         LIST_BASE
 202         }
 203
 204         switch (num) {
 205         LIST_32_COMPAT
 206         }
 207
 208         switch (num) {
 209         LIST_64_COMPAT
 210         }
 211 #undef ONE
 212         return "UNKNOWN";
 213 }
 214
 215 int main(int ac, char **av)
 216 {
 217         int i;
 218         int errors = 0;
 219
 220         value_to_string(random());
 221
 222         printf("Sizeof long long:  %zu\n", sizeof(unsigned long long));
 223         printf("Sizeof long:       %zu\n", sizeof(unsigned long));
 224         printf("Sizeof pointer:    %zu\n", sizeof(void*));
 225         printf("Alignof long long: %zu\n", __alignof__(unsigned long long));
 226         printf("Alignof long:      %zu\n", __alignof__(unsigned long));
 227         printf("Alignof pointer:   %zu\n", __alignof__(void*));
 228         printf("Raw ioctl numbers:\n");
 229
 230 #define ONE(n)  printf("%-38s   0x%010lx\n", #n, (unsigned long)n);
 231         LIST
 232 #undef ONE
 233
 234         for (i = 0; i < ARRAY_SIZE(expected_list); i++) {
 235                 if (expected_list[i].defined != expected_list[i].expected) {
 236                         printf("ERROR: wrong value for %s, defined=0x%lx expected=0x%lx\n",
 237                                         value_to_string(expected_list[i].defined),
 238                                         expected_list[i].defined,
 239                                         expected_list[i].expected);
 240                         errors++;
 241                 }
 242         }
 243
 244         if (!errors) {
 245                 printf("All ok\n");
 246         } else {
 247                 printf("Found %d errors in definitions\n", errors);
 248         }
 249
 250         return !!errors;
 251 }
 252