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btrfs-progs/ioctl-test.c
David Sterba 6f306e8d62 btrfs-progs: tests: make the ioctl-test actually useful 
Enhance the test to verify ioctl uniqueness, compare the defined values
against the hardcoded expected values, and take care of the 32bit/64bit
compatibility workarounds.

Signed-off-by: David Sterba <dsterba@suse.com>
2016-10-24 14:57:19 +02:00

253 lines
9.8 KiB
C
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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#include "kerncompat.h"
#include <stdio.h>
#include <stdlib.h>
#include "ioctl.h"
#include "ctree.h"
#define LIST_32_COMPAT \
ONE(BTRFS_IOC_SET_RECEIVED_SUBVOL_32)
#define LIST_64_COMPAT \
ONE(BTRFS_IOC_SEND_64)
#define LIST_BASE \
ONE(BTRFS_IOC_SNAP_CREATE) \
ONE(BTRFS_IOC_DEFRAG) \
ONE(BTRFS_IOC_RESIZE) \
ONE(BTRFS_IOC_SCAN_DEV) \
ONE(BTRFS_IOC_TRANS_START) \
ONE(BTRFS_IOC_TRANS_END) \
ONE(BTRFS_IOC_SYNC) \
ONE(BTRFS_IOC_CLONE) \
ONE(BTRFS_IOC_ADD_DEV) \
ONE(BTRFS_IOC_RM_DEV) \
ONE(BTRFS_IOC_BALANCE) \
ONE(BTRFS_IOC_CLONE_RANGE) \
ONE(BTRFS_IOC_SUBVOL_CREATE) \
ONE(BTRFS_IOC_SNAP_DESTROY) \
ONE(BTRFS_IOC_DEFRAG_RANGE) \
ONE(BTRFS_IOC_TREE_SEARCH) \
ONE(BTRFS_IOC_TREE_SEARCH_V2) \
ONE(BTRFS_IOC_INO_LOOKUP) \
ONE(BTRFS_IOC_DEFAULT_SUBVOL) \
ONE(BTRFS_IOC_SPACE_INFO) \
ONE(BTRFS_IOC_START_SYNC) \
ONE(BTRFS_IOC_WAIT_SYNC) \
ONE(BTRFS_IOC_SNAP_CREATE_V2) \
ONE(BTRFS_IOC_SUBVOL_CREATE_V2) \
ONE(BTRFS_IOC_SUBVOL_GETFLAGS) \
ONE(BTRFS_IOC_SUBVOL_SETFLAGS) \
ONE(BTRFS_IOC_SCRUB) \
ONE(BTRFS_IOC_SCRUB_CANCEL) \
ONE(BTRFS_IOC_SCRUB_PROGRESS) \
ONE(BTRFS_IOC_DEV_INFO) \
ONE(BTRFS_IOC_FS_INFO) \
ONE(BTRFS_IOC_BALANCE_V2) \
ONE(BTRFS_IOC_BALANCE_CTL) \
ONE(BTRFS_IOC_BALANCE_PROGRESS) \
ONE(BTRFS_IOC_INO_PATHS) \
ONE(BTRFS_IOC_LOGICAL_INO) \
ONE(BTRFS_IOC_SET_RECEIVED_SUBVOL) \
ONE(BTRFS_IOC_SEND) \
ONE(BTRFS_IOC_DEVICES_READY) \
ONE(BTRFS_IOC_QUOTA_CTL) \
ONE(BTRFS_IOC_QGROUP_ASSIGN) \
ONE(BTRFS_IOC_QGROUP_CREATE) \
ONE(BTRFS_IOC_QGROUP_LIMIT) \
ONE(BTRFS_IOC_QUOTA_RESCAN) \
ONE(BTRFS_IOC_QUOTA_RESCAN_STATUS) \
ONE(BTRFS_IOC_QUOTA_RESCAN_WAIT) \
ONE(BTRFS_IOC_GET_FSLABEL) \
ONE(BTRFS_IOC_SET_FSLABEL) \
ONE(BTRFS_IOC_GET_DEV_STATS) \
ONE(BTRFS_IOC_DEV_REPLACE) \
ONE(BTRFS_IOC_FILE_EXTENT_SAME) \
ONE(BTRFS_IOC_GET_FEATURES) \
ONE(BTRFS_IOC_SET_FEATURES) \
ONE(BTRFS_IOC_GET_SUPPORTED_FEATURES) \
ONE(BTRFS_IOC_RM_DEV_V2)
#define LIST \
LIST_BASE \
LIST_32_COMPAT \
LIST_64_COMPAT
struct ioctl_number {
unsigned long defined;
unsigned long expected;
};
static struct ioctl_number expected_list[] = {
{ BTRFS_IOC_SNAP_CREATE, 0x0050009401 },
{ BTRFS_IOC_DEFRAG, 0x0050009402 },
{ BTRFS_IOC_RESIZE, 0x0050009403 },
{ BTRFS_IOC_SCAN_DEV, 0x0050009404 },
{ BTRFS_IOC_TRANS_START, 0x0000009406 },
{ BTRFS_IOC_TRANS_END, 0x0000009407 },
{ BTRFS_IOC_SYNC, 0x0000009408 },
{ BTRFS_IOC_CLONE, 0x0040049409 },
{ BTRFS_IOC_ADD_DEV, 0x005000940a },
{ BTRFS_IOC_RM_DEV, 0x005000940b },
{ BTRFS_IOC_BALANCE, 0x005000940c },
{ BTRFS_IOC_CLONE_RANGE, 0x004020940d },
{ BTRFS_IOC_SUBVOL_CREATE, 0x005000940e },
{ BTRFS_IOC_SNAP_DESTROY, 0x005000940f },
{ BTRFS_IOC_DEFRAG_RANGE, 0x0040309410 },
{ BTRFS_IOC_TREE_SEARCH, 0x00d0009411 },
{ BTRFS_IOC_TREE_SEARCH_V2, 0x00c0709411 },
{ BTRFS_IOC_INO_LOOKUP, 0x00d0009412 },
{ BTRFS_IOC_DEFAULT_SUBVOL, 0x0040089413 },
{ BTRFS_IOC_SPACE_INFO, 0x00c0109414 },
{ BTRFS_IOC_START_SYNC, 0x0080089418 },
{ BTRFS_IOC_WAIT_SYNC, 0x0040089416 },
{ BTRFS_IOC_SNAP_CREATE_V2, 0x0050009417 },
{ BTRFS_IOC_SUBVOL_CREATE_V2, 0x0050009418 },
{ BTRFS_IOC_SUBVOL_GETFLAGS, 0x0080089419 },
{ BTRFS_IOC_SUBVOL_SETFLAGS, 0x004008941a },
{ BTRFS_IOC_SCRUB, 0x00c400941b },
{ BTRFS_IOC_SCRUB_CANCEL, 0x000000941c },
{ BTRFS_IOC_SCRUB_PROGRESS, 0x00c400941d },
{ BTRFS_IOC_DEV_INFO, 0x00d000941e },
{ BTRFS_IOC_FS_INFO, 0x008400941f },
{ BTRFS_IOC_BALANCE_V2, 0x00c4009420 },
{ BTRFS_IOC_BALANCE_CTL, 0x0040049421 },
{ BTRFS_IOC_BALANCE_PROGRESS, 0x0084009422 },
{ BTRFS_IOC_INO_PATHS, 0x00c0389423 },
{ BTRFS_IOC_LOGICAL_INO, 0x00c0389424 },
{ BTRFS_IOC_SET_RECEIVED_SUBVOL, 0x00c0c89425 },
#ifdef BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED
{ BTRFS_IOC_SET_RECEIVED_SUBVOL_32, 0x00c0c09425 },
#endif
#if BITS_PER_LONG == 32
{ BTRFS_IOC_SEND, 0x0040449426 },
#elif BITS_PER_LONG == 64
{ BTRFS_IOC_SEND, 0x0040489426 },
#endif
#ifdef BTRFS_IOC_SEND_64_COMPAT_DEFINED
{ BTRFS_IOC_SEND_64, 0x0040489426 },
#endif
{ BTRFS_IOC_DEVICES_READY, 0x0090009427 },
{ BTRFS_IOC_QUOTA_CTL, 0x00c0109428 },
{ BTRFS_IOC_QGROUP_ASSIGN, 0x0040189429 },
{ BTRFS_IOC_QGROUP_CREATE, 0x004010942a },
{ BTRFS_IOC_QGROUP_LIMIT, 0x008030942b },
{ BTRFS_IOC_QUOTA_RESCAN, 0x004040942c },
{ BTRFS_IOC_QUOTA_RESCAN_STATUS, 0x008040942d },
{ BTRFS_IOC_QUOTA_RESCAN_WAIT, 0x000000942e },
{ BTRFS_IOC_GET_FSLABEL, 0x0081009431 },
{ BTRFS_IOC_SET_FSLABEL, 0x0041009432 },
{ BTRFS_IOC_GET_DEV_STATS, 0x00c4089434 },
{ BTRFS_IOC_DEV_REPLACE, 0x00ca289435 },
{ BTRFS_IOC_FILE_EXTENT_SAME, 0x00c0189436 },
{ BTRFS_IOC_GET_FEATURES, 0x0080189439 },
{ BTRFS_IOC_SET_FEATURES, 0x0040309439 },
{ BTRFS_IOC_GET_SUPPORTED_FEATURES, 0x0080489439 },
{ BTRFS_IOC_RM_DEV_V2, 0x005000943a },
};
static struct btrfs_ioctl_vol_args used_vol_args __attribute__((used));
static struct btrfs_ioctl_vol_args_v2 used_vol_args2 __attribute__((used));
static struct btrfs_ioctl_clone_range_args used_clone_args __attribute__((used));
static struct btrfs_ioctl_defrag_range_args used_defrag_args __attribute__((used));
static struct btrfs_ioctl_search_args used_search_args __attribute__((used));
static struct btrfs_ioctl_search_args_v2 used_search_args2 __attribute__((used));
static struct btrfs_ioctl_ino_lookup_args used_ino_lookup __attribute__((used));
static struct btrfs_ioctl_space_args used_space_args __attribute__((used));
static struct btrfs_ioctl_scrub_args used_scrub_args __attribute__((used));
static struct btrfs_ioctl_dev_info_args used_dev_info_args __attribute__((used));
static struct btrfs_ioctl_fs_info_args used_fs_info_args __attribute__((used));
static struct btrfs_ioctl_balance_args used_balance_args __attribute__((used));
static struct btrfs_ioctl_ino_path_args used_path_args __attribute__((used));
static struct btrfs_ioctl_logical_ino_args used_logical_args __attribute__((used));
static struct btrfs_ioctl_received_subvol_args used_received_args __attribute__((used));
#ifdef BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED
static struct btrfs_ioctl_received_subvol_args_32 used_received_args32 __attribute__((used));
#endif
static struct btrfs_ioctl_send_args used_send_args __attribute__((used));
#ifdef BTRFS_IOC_SEND_64_COMPAT_DEFINED
static struct btrfs_ioctl_send_args_64 used_send_args64 __attribute__((used));
#endif
static struct btrfs_ioctl_quota_ctl_args used_qgctl_args __attribute__((used));
static struct btrfs_ioctl_qgroup_assign_args used_qgassign_args __attribute__((used));
static struct btrfs_ioctl_qgroup_create_args used_qgcreate_args __attribute__((used));
static struct btrfs_ioctl_qgroup_limit_args used_qglimit_args __attribute__((used));
static struct btrfs_ioctl_quota_rescan_args used_qgrescan_args __attribute__((used));
static struct btrfs_ioctl_get_dev_stats used_dev_stats_args __attribute__((used));
static struct btrfs_ioctl_dev_replace_args used_replace_args __attribute__((used));
static struct btrfs_ioctl_same_args used_same_args __attribute__((used));
static struct btrfs_ioctl_feature_flags used_feature_flags __attribute__((used));
const char* value_to_string(unsigned long num)
{
#define ONE(x) case x: return #x;
switch (num) {
LIST_BASE
}
switch (num) {
LIST_32_COMPAT
}
switch (num) {
LIST_64_COMPAT
}
#undef ONE
return "UNKNOWN";
}
int main(int ac, char **av)
{
int i;
int errors = 0;
value_to_string(random());
printf("Sizeof long long: %zu\n", sizeof(unsigned long long));
printf("Sizeof long: %zu\n", sizeof(unsigned long));
printf("Sizeof pointer: %zu\n", sizeof(void*));
printf("Alignof long long: %zu\n", __alignof__(unsigned long long));
printf("Alignof long: %zu\n", __alignof__(unsigned long));
printf("Alignof pointer: %zu\n", __alignof__(void*));
printf("Raw ioctl numbers:\n");
#define ONE(n) printf("%-38s 0x%010lx\n", #n, (unsigned long)n);
LIST
#undef ONE
for (i = 0; i < ARRAY_SIZE(expected_list); i++) {
if (expected_list[i].defined != expected_list[i].expected) {
printf("ERROR: wrong value for %s, defined=0x%lx expected=0x%lx\n",
value_to_string(expected_list[i].defined),
expected_list[i].defined,
expected_list[i].expected);
errors++;
}
}
if (!errors) {
printf("All ok\n");
} else {
printf("Found %d errors in definitions\n", errors);
}
return !!errors;
}
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