2 * Copyright (c) 2016 Jeff Mahoney <jeffm@suse.com>
3 * Copyright (c) 2016-2017 The strace developers.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifdef HAVE_LINUX_BTRFS_H
33 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_dev_replace_args)
34 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_send_args)
35 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_received_subvol_args)
36 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_vol_args_v2)
38 # include <linux/btrfs.h>
40 typedef struct btrfs_ioctl_dev_replace_args
41 struct_btrfs_ioctl_dev_replace_args;
42 typedef struct btrfs_ioctl_send_args
43 struct_btrfs_ioctl_send_args;
44 typedef struct btrfs_ioctl_received_subvol_args
45 struct_btrfs_ioctl_received_subvol_args;
46 typedef struct btrfs_ioctl_vol_args_v2
47 struct_btrfs_ioctl_vol_args_v2;
49 #endif /* HAVE_LINUX_BTRFS_H */
53 #ifdef HAVE_LINUX_BTRFS_H
58 * Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
59 * its definition, which isn't exported by the kernel.
63 #ifndef HAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS
64 struct btrfs_ioctl_feature_flags {
65 uint64_t compat_flags;
66 uint64_t compat_ro_flags;
67 uint64_t incompat_flags;
71 #ifndef HAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START
72 struct btrfs_ioctl_defrag_range_args {
76 uint32_t extent_thresh;
77 uint32_t compress_type;
82 #ifndef BTRFS_LABEL_SIZE
83 # define BTRFS_LABEL_SIZE 256
86 #ifndef BTRFS_FIRST_FREE_OBJECTID
87 # define BTRFS_FIRST_FREE_OBJECTID 256ULL
90 #ifndef BTRFS_IOC_QUOTA_RESCAN
91 struct btrfs_ioctl_quota_rescan_args {
92 uint64_t flags, progress, reserved[6];
94 # define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
95 struct btrfs_ioctl_quota_rescan_args)
96 # define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
97 struct btrfs_ioctl_quota_rescan_args)
100 #ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
101 # define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
104 #ifndef BTRFS_IOC_GET_FEATURES
105 # define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
106 struct btrfs_ioctl_feature_flags)
107 # define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
108 struct btrfs_ioctl_feature_flags[2])
109 # define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
110 struct btrfs_ioctl_feature_flags[3])
113 #ifndef BTRFS_IOC_TREE_SEARCH_V2
114 # define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
115 struct btrfs_ioctl_search_args_v2)
116 struct btrfs_ioctl_search_args_v2 {
117 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
118 uint64_t buf_size; /* in - size of buffer
119 * out - on EOVERFLOW: needed size
121 uint64_t buf[0]; /* out - found items */
125 #include "xlat/btrfs_balance_args.h"
126 #include "xlat/btrfs_balance_ctl_cmds.h"
127 #include "xlat/btrfs_balance_flags.h"
128 #include "xlat/btrfs_balance_state.h"
129 #include "xlat/btrfs_compress_types.h"
130 #include "xlat/btrfs_defrag_flags.h"
131 #include "xlat/btrfs_dev_replace_cmds.h"
132 #include "xlat/btrfs_dev_replace_results.h"
133 #include "xlat/btrfs_dev_replace_state.h"
134 #include "xlat/btrfs_dev_stats_flags.h"
135 #include "xlat/btrfs_dev_stats_values.h"
136 #include "xlat/btrfs_features_compat.h"
137 #include "xlat/btrfs_features_compat_ro.h"
138 #include "xlat/btrfs_features_incompat.h"
139 #include "xlat/btrfs_key_types.h"
140 #include "xlat/btrfs_qgroup_ctl_cmds.h"
141 #include "xlat/btrfs_qgroup_inherit_flags.h"
142 #include "xlat/btrfs_qgroup_limit_flags.h"
143 #include "xlat/btrfs_qgroup_status_flags.h"
144 #include "xlat/btrfs_scrub_flags.h"
145 #include "xlat/btrfs_send_flags.h"
146 #include "xlat/btrfs_snap_flags_v2.h"
147 #include "xlat/btrfs_space_info_flags.h"
148 #include "xlat/btrfs_tree_objectids.h"
154 return 'a' + (v - 10);
158 /* 8-4-4-4-12 = 36 characters */
159 #define UUID_STRING_SIZE 36
161 /* Formats uuid, returns 0 if it's all zeroes */
163 btrfs_unparse_uuid(unsigned char *uuid, char *out)
167 for (i = 0; i < BTRFS_UUID_SIZE; i++) {
168 if (i == 4 || i == 6 || i == 8 || i == 10)
170 *out++ = prnibble(uuid[i] >> 4);
171 *out++ = prnibble(uuid[i] & 0xf);
180 print_u64(const char *name, uint64_t value)
182 tprintf(", %s=%" PRIu64, name, value);
183 if (value == UINT64_MAX)
184 tprints_comment("UINT64_MAX");
187 #define print_member_u64(obj, name) print_u64(#name, obj->name)
190 btrfs_print_balance_args(const char *name, const struct btrfs_balance_args *bba)
192 tprintf(", %s={profiles=", name);
193 printflags64(btrfs_space_info_flags, bba->profiles,
194 "BTRFS_BLOCK_GROUP_???");
195 print_member_u64(bba, usage);
196 print_member_u64(bba, devid);
197 print_member_u64(bba, pstart);
198 print_member_u64(bba, pend);
199 print_member_u64(bba, vstart);
200 print_member_u64(bba, vend);
201 print_member_u64(bba, target);
203 printflags64(btrfs_balance_args, bba->flags, "BTRFS_BALANCE_ARGS_???");
208 btrfs_print_balance(struct tcb *const tcp, const kernel_ulong_t arg, bool out)
210 struct btrfs_ioctl_balance_args balance_args;
212 if (umove_or_printaddr(tcp, arg, &balance_args))
216 printflags64(btrfs_balance_flags, balance_args.flags,
217 "BTRFS_BALANCE_???");
220 printflags64(btrfs_balance_state, balance_args.state,
221 "BTRFS_BALANCE_STATE_???");
224 if (balance_args.flags & BTRFS_BALANCE_DATA)
225 btrfs_print_balance_args("data", &balance_args.data);
226 if (balance_args.flags & BTRFS_BALANCE_METADATA)
227 btrfs_print_balance_args("meta", &balance_args.meta);
228 if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
229 btrfs_print_balance_args("sys", &balance_args.sys);
234 btrfs_print_features(const struct btrfs_ioctl_feature_flags *flags)
236 tprints("{compat_flags=");
237 printflags64(btrfs_features_compat, flags->compat_flags,
238 "BTRFS_FEATURE_COMPAT_???");
240 tprints(", compat_ro_flags=");
241 printflags64(btrfs_features_compat_ro, flags->compat_ro_flags,
242 "BTRFS_FEATURE_COMPAT_RO_???");
244 tprints(", incompat_flags=");
245 printflags64(btrfs_features_incompat, flags->incompat_flags,
246 "BTRFS_FEATURE_INCOMPAT_???");
251 btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit *lim)
254 printflags64(btrfs_qgroup_limit_flags, lim->flags,
255 "BTRFS_QGROUP_LIMIT_???");
256 tprintf(", max_rfer=%" PRI__u64 ", max_excl=%" PRI__u64
257 ", rsv_rfer=%" PRI__u64 ", rsv_excl=%" PRI__u64 "}",
258 lim->max_rfer, lim->max_excl,
259 lim->rsv_rfer, lim->rsv_excl);
263 btrfs_print_key_type(uint32_t type)
266 tprints_comment(xlookup(btrfs_key_types, type));
270 btrfs_print_objectid(uint64_t objectid)
272 tprintf("%" PRIu64, objectid);
273 tprints_comment(xlookup(btrfs_tree_objectids, objectid));
277 btrfs_print_data_container_header(const struct btrfs_data_container *container)
279 tprintf("{bytes_left=%u, bytes_missing=%u"
280 ", elem_cnt=%u, elem_missed=%u, val=",
281 container->bytes_left, container->bytes_missing,
282 container->elem_cnt, container->elem_missed);
286 btrfs_print_data_container_footer(void)
292 print_btrfs_data_container_logical_ino(struct tcb *tcp, void *elem_buf,
293 size_t elem_size, void *data)
295 const uint64_t *const record = elem_buf;
297 tprintf("{inum=%" PRIu64 ", offset=%" PRIu64 ", root=%" PRIu64 "}",
298 record[0], record[1], record[2]);
304 btrfs_print_logical_ino_container(struct tcb *tcp,
305 const uint64_t inodes_addr)
307 struct btrfs_data_container container;
309 if (umove_or_printaddr(tcp, inodes_addr, &container))
312 btrfs_print_data_container_header(&container);
317 const uint64_t val_addr =
318 inodes_addr + offsetof(typeof(container), val);
320 print_array(tcp, val_addr, container.elem_cnt / 3,
321 record, sizeof(record),
323 print_btrfs_data_container_logical_ino, 0);
326 btrfs_print_data_container_footer();
330 print_btrfs_data_container_ino_path(struct tcb *tcp, void *elem_buf,
331 size_t elem_size, void *data)
333 const uint64_t *const offset = elem_buf;
334 const uint64_t *const val_addr = data;
336 printpath(tcp, *val_addr + *offset);
342 btrfs_print_ino_path_container(struct tcb *tcp,
343 const uint64_t fspath_addr)
345 struct btrfs_data_container container;
347 if (umove_or_printaddr(tcp, fspath_addr, &container))
350 btrfs_print_data_container_header(&container);
356 fspath_addr + offsetof(typeof(container), val);
358 print_array(tcp, val_addr, container.elem_cnt,
359 &offset, sizeof(offset),
361 print_btrfs_data_container_ino_path, &val_addr);
364 btrfs_print_data_container_footer();
368 print_uint64(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
370 tprintf("%" PRIu64, *(uint64_t *) elem_buf);
376 btrfs_print_qgroup_inherit(struct tcb *const tcp, const kernel_ulong_t qgi_addr)
378 struct btrfs_qgroup_inherit inherit;
380 if (umove_or_printaddr(tcp, qgi_addr, &inherit))
384 printflags64(btrfs_qgroup_inherit_flags, inherit.flags,
385 "BTRFS_QGROUP_INHERIT_???");
386 tprintf(", num_qgroups=%" PRI__u64 ", num_ref_copies=%" PRI__u64
387 ", num_excl_copies=%" PRI__u64 ", lim=",
388 inherit.num_qgroups, inherit.num_ref_copies,
389 inherit.num_excl_copies);
391 btrfs_print_qgroup_limit(&inherit.lim);
393 tprints(", qgroups=");
399 print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
400 inherit.num_qgroups, &record, sizeof(record),
401 umoven_or_printaddr, print_uint64, 0);
407 print_key_value_internal(struct tcb *tcp, const char *name, uint64_t value)
410 tprintf(", %s=%" PRIu64, name, value);
411 if (value == UINT64_MAX)
412 tprints_comment("UINT64_MAX");
415 #define print_key_value(tcp, key, name) \
416 print_key_value_internal((tcp), #name, (key)->name)
419 btrfs_print_tree_search(struct tcb *tcp, struct btrfs_ioctl_search_key *key,
420 uint64_t buf_addr, uint64_t buf_size, bool print_size)
423 tprints("{key={tree_id=");
424 btrfs_print_objectid(key->tree_id);
426 if (key->min_objectid != BTRFS_FIRST_FREE_OBJECTID ||
428 tprints(", min_objectid=");
429 btrfs_print_objectid(key->min_objectid);
432 if (key->max_objectid != BTRFS_LAST_FREE_OBJECTID ||
434 tprints(", max_objectid=");
435 btrfs_print_objectid(key->max_objectid);
438 print_key_value(tcp, key, min_offset);
439 print_key_value(tcp, key, max_offset);
440 print_key_value(tcp, key, min_transid);
441 print_key_value(tcp, key, max_transid);
443 tprints(", min_type=");
444 btrfs_print_key_type(key->min_type);
445 tprints(", max_type=");
446 btrfs_print_key_type(key->max_type);
447 tprintf(", nr_items=%u}", key->nr_items);
449 tprintf(", buf_size=%" PRIu64, buf_size);
452 tprintf("{key={nr_items=%u}", key->nr_items);
454 tprintf(", buf_size=%" PRIu64, buf_size);
462 for (i = 0; i < key->nr_items; i++) {
463 struct btrfs_ioctl_search_header sh;
464 uint64_t addr = buf_addr + off;
467 if (i > max_strlen ||
468 umove(tcp, addr, &sh)) {
472 tprintf("{transid=%" PRI__u64 ", objectid=",
474 btrfs_print_objectid(sh.objectid);
475 tprintf(", offset=%" PRI__u64 ", type=", sh.offset);
476 btrfs_print_key_type(sh.type);
477 tprintf(", len=%u}", sh.len);
478 off += sizeof(sh) + sh.len;
488 print_objectid_callback(struct tcb *tcp, void *elem_buf,
489 size_t elem_size, void *data)
491 btrfs_print_objectid(*(uint64_t *) elem_buf);
497 print_btrfs_ioctl_space_info(struct tcb *tcp, void *elem_buf,
498 size_t elem_size, void *data)
500 const struct btrfs_ioctl_space_info *info = elem_buf;
503 printflags64(btrfs_space_info_flags, info->flags,
504 "BTRFS_SPACE_INFO_???");
505 tprintf(", total_bytes=%" PRI__u64 ", used_bytes=%" PRI__u64 "}",
506 info->total_bytes, info->used_bytes);
511 MPERS_PRINTER_DECL(int, btrfs_ioctl,
512 struct tcb *const tcp, const unsigned int code,
513 const kernel_ulong_t arg)
516 /* Take no arguments; command only. */
517 case BTRFS_IOC_TRANS_START:
518 case BTRFS_IOC_TRANS_END:
520 case BTRFS_IOC_SCRUB_CANCEL:
521 case BTRFS_IOC_QUOTA_RESCAN_WAIT:
523 * The codes for these ioctls are based on each accepting a
524 * vol_args but none of them actually consume an argument.
526 case BTRFS_IOC_DEFRAG:
527 case BTRFS_IOC_BALANCE:
530 /* takes a signed int */
531 case BTRFS_IOC_BALANCE_CTL:
533 printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
537 case BTRFS_IOC_START_SYNC: /* R */
542 case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
543 case BTRFS_IOC_WAIT_SYNC: /* W */
545 printnum_int64(tcp, arg, "%" PRIu64);
548 /* u64 but describe a flags bitfield; we can make that symbolic */
549 case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
557 if (umove_or_printaddr(tcp, arg, &flags))
560 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
564 case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
569 if (umove_or_printaddr(tcp, arg, &flags))
572 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
576 /* More complex types */
577 case BTRFS_IOC_BALANCE_V2: /* RW */
580 btrfs_print_balance(tcp, arg, false);
588 btrfs_print_balance(tcp, arg, true);
590 case BTRFS_IOC_BALANCE_PROGRESS: /* R */
595 btrfs_print_balance(tcp, arg, true);
598 case BTRFS_IOC_DEFRAG_RANGE: { /* W */
599 struct btrfs_ioctl_defrag_range_args args;
603 if (umove_or_printaddr(tcp, arg, &args))
606 tprintf("{start=%" PRIu64 ", len=", (uint64_t)args.start);
608 tprintf("%" PRIu64, (uint64_t) args.len);
609 if (args.len == UINT64_MAX)
610 tprints_comment("UINT64_MAX");
613 printflags64(btrfs_defrag_flags, args.flags,
614 "BTRFS_DEFRAG_RANGE_???");
615 tprintf(", extent_thresh=%u, compress_type=",
617 printxval(btrfs_compress_types, args.compress_type,
618 "BTRFS_COMPRESS_???");
623 case BTRFS_IOC_DEV_INFO: { /* RW */
624 struct btrfs_ioctl_dev_info_args args;
625 char uuid[UUID_STRING_SIZE+1];
630 else if (syserror(tcp))
634 if (umove_or_printaddr(tcp, arg, &args))
638 valid = btrfs_unparse_uuid(args.uuid, uuid);
640 tprintf("devid=%" PRI__u64, args.devid);
642 tprintf(", uuid=%s", uuid);
647 tprintf("uuid=%s, ", uuid);
648 tprintf("bytes_used=%" PRI__u64
649 ", total_bytes=%" PRI__u64 ", path=",
650 args.bytes_used, args.total_bytes);
651 print_quoted_string((const char *)args.path, sizeof(args.path),
657 case BTRFS_IOC_DEV_REPLACE: { /* RW */
658 struct_btrfs_ioctl_dev_replace_args args;
662 else if (syserror(tcp))
667 if (umove_or_printaddr(tcp, arg, &args))
672 printxval64(btrfs_dev_replace_cmds, args.cmd,
673 "BTRFS_IOCTL_DEV_REPLACE_CMD_???");
674 if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
676 tprintf(", start={srcdevid=%" PRIu64
677 ", cont_reading_from_srcdev_mode=%" PRIu64
679 (uint64_t) args.start.srcdevid,
680 (uint64_t) args.start.cont_reading_from_srcdev_mode);
682 str = (const char *) args.start.srcdev_name;
683 print_quoted_string(str,
684 sizeof(args.start.srcdev_name),
686 tprints(", tgtdev_name=");
687 str = (const char *) args.start.tgtdev_name;
688 print_quoted_string(str,
689 sizeof(args.start.tgtdev_name),
699 printxval64(btrfs_dev_replace_results, args.result,
700 "BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
701 if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
703 printxval64(btrfs_dev_replace_state,
704 args.status.replace_state,
705 "BTRFS_IOCTL_DEV_REPLACE_STATE_???");
706 tprintf(", progress_1000=%" PRIu64,
707 (uint64_t) args.status.progress_1000);
709 if (args.status.progress_1000 <= 1000)
710 tprintf_comment("%u.%u%%",
711 (unsigned) args.status.progress_1000 / 10,
712 (unsigned) args.status.progress_1000 % 10);
714 tprintf(", time_started=%" PRIu64,
715 (uint64_t) args.status.time_started);
716 tprints_comment(sprinttime(args.status.time_started));
718 tprintf(", time_stopped=%" PRIu64,
719 (uint64_t) args.status.time_stopped);
720 tprints_comment(sprinttime(args.status.time_stopped));
722 tprintf(", num_write_errors=%" PRIu64
723 ", num_uncorrectable_read_errors=%" PRIu64,
724 (uint64_t) args.status.num_write_errors,
725 (uint64_t) args.status.num_uncorrectable_read_errors);
731 case BTRFS_IOC_GET_FEATURES: { /* R */
732 struct btrfs_ioctl_feature_flags flags;
738 if (umove_or_printaddr(tcp, arg, &flags))
741 btrfs_print_features(&flags);
745 case BTRFS_IOC_SET_FEATURES: { /* W */
746 struct btrfs_ioctl_feature_flags flarg[2];
750 if (umove_or_printaddr(tcp, arg, &flarg))
754 btrfs_print_features(&flarg[0]);
756 btrfs_print_features(&flarg[1]);
761 case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
762 struct btrfs_ioctl_feature_flags flarg[3];
768 if (umove_or_printaddr(tcp, arg, &flarg))
772 btrfs_print_features(&flarg[0]);
773 tprints_comment("supported");
776 btrfs_print_features(&flarg[1]);
777 tprints_comment("safe to set");
780 btrfs_print_features(&flarg[2]);
781 tprints_comment("safe to clear");
787 case BTRFS_IOC_FS_INFO: { /* R */
788 struct btrfs_ioctl_fs_info_args args;
789 char uuid[UUID_STRING_SIZE+1];
790 uint32_t nodesize, sectorsize, clone_alignment;
791 #ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
799 if (umove_or_printaddr(tcp, arg, &args))
802 #ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
803 nodesize = args.nodesize,
804 sectorsize = args.sectorsize,
805 clone_alignment = args.clone_alignment;
807 reserved32 = (__u32 *) (void *) args.reserved;
808 nodesize = reserved32[0];
809 sectorsize = reserved32[1];
810 clone_alignment = reserved32[2];
812 btrfs_unparse_uuid(args.fsid, uuid);
815 tprintf("max_id=%" PRI__u64 ", num_devices=%" PRI__u64
816 ", fsid=%s, nodesize=%u, sectorsize=%u"
817 ", clone_alignment=%u",
818 args.max_id, args.num_devices, uuid,
819 nodesize, sectorsize, clone_alignment);
824 case BTRFS_IOC_GET_DEV_STATS: { /* RW */
825 struct btrfs_ioctl_get_dev_stats args;
830 else if (syserror(tcp))
834 if (umove_or_printaddr(tcp, arg, &args))
840 tprintf("devid=%" PRI__u64 ", ", args.devid);
842 tprintf("nr_items=%" PRI__u64 ", flags=", args.nr_items);
843 printflags64(btrfs_dev_stats_flags, args.flags,
844 "BTRFS_DEV_STATS_???");
852 * The structure has a 1k limit; Let's make sure we don't
853 * go off into the middle of nowhere with a bad nr_items
857 for (i = 0; i < args.nr_items; i++) {
860 if (i >= ARRAY_SIZE(args.values)) {
864 tprintf("%" PRI__u64, args.values[i]);
865 tprints_comment(xlookup(btrfs_dev_stats_values, i));
871 case BTRFS_IOC_INO_LOOKUP: { /* RW */
872 struct btrfs_ioctl_ino_lookup_args args;
876 else if (syserror(tcp))
881 if (umove_or_printaddr(tcp, arg, &args))
885 /* Use subvolume id of the containing root */
886 if (args.treeid == 0)
887 set_tcb_priv_ulong(tcp, 1);
890 btrfs_print_objectid(args.treeid);
891 tprints(", objectid=");
892 btrfs_print_objectid(args.objectid);
898 if (get_tcb_priv_ulong(tcp)) {
900 btrfs_print_objectid(args.treeid);
905 print_quoted_string(args.name, sizeof(args.name),
911 case BTRFS_IOC_INO_PATHS: { /* RW */
912 struct btrfs_ioctl_ino_path_args args;
916 else if (syserror(tcp))
921 if (umove_or_printaddr(tcp, arg, &args))
927 tprintf("inum=%" PRI__u64 ", size=%" PRI__u64,
928 args.inum, args.size);
929 tprintf(", fspath=0x%" PRI__x64 "}", args.fspath);
934 btrfs_print_ino_path_container(tcp, args.fspath);
940 case BTRFS_IOC_LOGICAL_INO: { /* RW */
941 struct btrfs_ioctl_logical_ino_args args;
945 else if (syserror(tcp))
950 if (umove_or_printaddr(tcp, arg, &args))
956 tprintf("logical=%" PRI__u64 ", size=%" PRI__u64,
957 args.logical, args.size);
958 tprintf(", inodes=0x%" PRI__x64 "}", args.inodes);
963 btrfs_print_logical_ino_container(tcp, args.inodes);
969 case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
970 struct btrfs_ioctl_qgroup_assign_args args;
973 if (umove_or_printaddr(tcp, arg, &args))
976 tprintf("{assign=%" PRI__u64 ", src=%" PRI__u64
977 ", dst=%" PRI__u64 "}",
978 args.assign, args.src, args.dst);
982 case BTRFS_IOC_QGROUP_CREATE: { /* W */
983 struct btrfs_ioctl_qgroup_create_args args;
986 if (umove_or_printaddr(tcp, arg, &args))
989 tprintf("{create=%" PRI__u64 ", qgroupid=%" PRI__u64 "}",
990 args.create, args.qgroupid);
994 case BTRFS_IOC_QGROUP_LIMIT: { /* R */
995 struct btrfs_ioctl_qgroup_limit_args args;
1001 if (umove_or_printaddr(tcp, arg, &args))
1004 tprintf("{qgroupid=%" PRI__u64 ", lim=", args.qgroupid);
1005 btrfs_print_qgroup_limit(&args.lim);
1010 case BTRFS_IOC_QUOTA_CTL: { /* W */
1011 struct btrfs_ioctl_quota_ctl_args args;
1014 if (umove_or_printaddr(tcp, arg, &args))
1017 printxval64(btrfs_qgroup_ctl_cmds, args.cmd,
1018 "BTRFS_QUOTA_CTL_???");
1024 case BTRFS_IOC_QUOTA_RESCAN: { /* W */
1025 struct btrfs_ioctl_quota_rescan_args args;
1028 if (umove_or_printaddr(tcp, arg, &args))
1031 tprintf("{flags=%" PRIu64 "}", (uint64_t) args.flags);
1035 case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
1036 struct btrfs_ioctl_quota_rescan_args args;
1042 if (umove_or_printaddr(tcp, arg, &args))
1045 tprintf("{flags=%" PRIu64 ", progress=", (uint64_t) args.flags);
1046 btrfs_print_objectid(args.progress);
1051 case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
1052 struct_btrfs_ioctl_received_subvol_args args;
1053 char uuid[UUID_STRING_SIZE+1];
1057 else if (syserror(tcp))
1062 if (umove_or_printaddr(tcp, arg, &args))
1065 if (entering(tcp)) {
1066 btrfs_unparse_uuid((unsigned char *)args.uuid, uuid);
1067 tprintf("{uuid=%s, stransid=%" PRIu64
1068 ", stime=%" PRIu64 ".%u, flags=%" PRIu64
1069 "}", uuid, (uint64_t) args.stransid,
1070 (uint64_t) args.stime.sec, args.stime.nsec,
1071 (uint64_t) args.flags);
1074 tprintf("{rtransid=%" PRIu64 ", rtime=%" PRIu64 ".%u}",
1075 (uint64_t) args.rtransid, (uint64_t) args.rtime.sec,
1080 case BTRFS_IOC_SCRUB: /* RW */
1081 case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
1082 struct btrfs_ioctl_scrub_args args;
1086 else if (syserror(tcp))
1091 if (umove_or_printaddr(tcp, arg, &args))
1094 if (entering(tcp)) {
1095 tprintf("{devid=%" PRI__u64, args.devid);
1096 if (code == BTRFS_IOC_SCRUB) {
1097 tprintf(", start=%" PRI__u64 ", end=",
1099 tprintf("%" PRI__u64, args.end);
1100 if (args.end == UINT64_MAX)
1101 tprints_comment("UINT64_MAX");
1102 tprints(", flags=");
1103 printflags64(btrfs_scrub_flags, args.flags,
1109 tprintf("{data_extents_scrubbed=%" PRI__u64
1110 ", tree_extents_scrubbed=%" PRI__u64
1111 ", data_bytes_scrubbed=%" PRI__u64
1112 ", tree_bytes_scrubbed=%" PRI__u64
1113 ", read_errors=%" PRI__u64
1114 ", csum_errors=%" PRI__u64
1115 ", verify_errors=%" PRI__u64
1116 ", no_csum=%" PRI__u64
1117 ", csum_discards=%" PRI__u64
1118 ", super_errors=%" PRI__u64
1119 ", malloc_errors=%" PRI__u64
1120 ", uncorrectable_errors=%" PRI__u64
1121 ", corrected_errors=%" PRI__u64
1122 ", last_physical=%" PRI__u64
1123 ", unverified_errors=%" PRI__u64 "}",
1124 args.progress.data_extents_scrubbed,
1125 args.progress.tree_extents_scrubbed,
1126 args.progress.data_bytes_scrubbed,
1127 args.progress.tree_bytes_scrubbed,
1128 args.progress.read_errors,
1129 args.progress.csum_errors,
1130 args.progress.verify_errors,
1131 args.progress.no_csum,
1132 args.progress.csum_discards,
1133 args.progress.super_errors,
1134 args.progress.malloc_errors,
1135 args.progress.uncorrectable_errors,
1136 args.progress.corrected_errors,
1137 args.progress.last_physical,
1138 args.progress.unverified_errors);
1142 case BTRFS_IOC_TREE_SEARCH: { /* RW */
1143 struct btrfs_ioctl_search_args args;
1144 uint64_t buf_offset;
1148 else if (syserror(tcp))
1153 if (umove_or_printaddr(tcp, arg, &args))
1156 buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
1157 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1158 sizeof(args.buf), false);
1164 case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
1165 struct btrfs_ioctl_search_args_v2 args;
1166 uint64_t buf_offset;
1170 else if (syserror(tcp)) {
1171 if (tcp->u_error == EOVERFLOW) {
1174 if (!umove_or_printaddr(tcp, arg, &args))
1175 tprintf("{buf_size=%" PRIu64 "}",
1176 (uint64_t)args.buf_size);
1177 tcp->u_error = EOVERFLOW;
1183 if (umove_or_printaddr(tcp, arg, &args))
1186 buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
1187 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1188 args.buf_size, true);
1194 case BTRFS_IOC_SEND: { /* W */
1195 struct_btrfs_ioctl_send_args args;
1198 if (umove_or_printaddr(tcp, arg, &args))
1201 tprints("{send_fd=");
1202 printfd(tcp, args.send_fd);
1203 tprintf(", clone_sources_count=%" PRIu64 ", clone_sources=",
1204 (uint64_t) args.clone_sources_count);
1210 print_array(tcp, ptr_to_kulong(args.clone_sources),
1211 args.clone_sources_count,
1212 &record, sizeof(record),
1213 umoven_or_printaddr,
1214 print_objectid_callback, 0);
1216 tprints(", parent_root=");
1217 btrfs_print_objectid(args.parent_root);
1218 tprints(", flags=");
1219 printflags64(btrfs_send_flags, args.flags,
1220 "BTRFS_SEND_FLAGS_???");
1225 case BTRFS_IOC_SPACE_INFO: { /* RW */
1226 struct btrfs_ioctl_space_args args;
1230 else if (syserror(tcp))
1235 if (umove_or_printaddr(tcp, arg, &args))
1239 if (entering(tcp)) {
1240 tprintf("space_slots=%" PRI__u64 "}", args.space_slots);
1244 tprintf("total_spaces=%" PRI__u64, args.total_spaces);
1246 if (args.space_slots == 0 && args.total_spaces) {
1251 tprints(", spaces=");
1256 struct btrfs_ioctl_space_info info;
1257 print_array(tcp, arg + offsetof(typeof(args), spaces),
1259 &info, sizeof(info), umoven_or_printaddr,
1260 print_btrfs_ioctl_space_info, 0);
1266 case BTRFS_IOC_SNAP_CREATE:
1267 case BTRFS_IOC_RESIZE:
1268 case BTRFS_IOC_SCAN_DEV:
1269 case BTRFS_IOC_ADD_DEV:
1270 case BTRFS_IOC_RM_DEV:
1271 case BTRFS_IOC_SUBVOL_CREATE:
1272 case BTRFS_IOC_SNAP_DESTROY:
1273 case BTRFS_IOC_DEVICES_READY: { /* W */
1274 struct btrfs_ioctl_vol_args args;
1277 if (umove_or_printaddr(tcp, arg, &args))
1281 printfd(tcp, args.fd);
1283 print_quoted_string(args.name, sizeof(args.name),
1284 QUOTE_0_TERMINATED);
1289 case BTRFS_IOC_SNAP_CREATE_V2:
1290 case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
1291 struct_btrfs_ioctl_vol_args_v2 args;
1295 else if (syserror(tcp))
1300 if (umove_or_printaddr(tcp, arg, &args))
1303 if (entering(tcp)) {
1305 printfd(tcp, args.fd);
1306 tprints(", flags=");
1307 printflags64(btrfs_snap_flags_v2, args.flags,
1308 "BTRFS_SUBVOL_???");
1309 if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
1310 tprintf(", size=%" PRIu64 ", qgroup_inherit=",
1311 (uint64_t) args.size);
1313 btrfs_print_qgroup_inherit(tcp,
1314 ptr_to_kulong(args.qgroup_inherit));
1317 print_quoted_string(args.name, sizeof(args.name),
1318 QUOTE_0_TERMINATED);
1322 tprintf("{transid=%" PRIu64 "}", (uint64_t) args.transid);
1326 case BTRFS_IOC_GET_FSLABEL: /* R */
1330 case BTRFS_IOC_SET_FSLABEL: { /* W */
1331 char label[BTRFS_LABEL_SIZE];
1334 if (umove_or_printaddr(tcp, arg, &label))
1336 print_quoted_string(label, sizeof(label), QUOTE_0_TERMINATED);
1340 case BTRFS_IOC_CLONE: /* FICLONE */
1341 case BTRFS_IOC_CLONE_RANGE: /* FICLONERANGE */
1342 #ifdef BTRFS_IOC_FILE_EXTENT_SAME
1343 case BTRFS_IOC_FILE_EXTENT_SAME: /* FIDEDUPERANGE */
1346 * FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
1347 * btrfs ioctls and the code was kept for the generic
1348 * implementations. We use the BTRFS_* names here because
1349 * they will be available on older systems.
1351 return file_ioctl(tcp, code, arg);
1354 return RVAL_DECODED;
1356 return RVAL_DECODED | 1;
1358 #endif /* HAVE_LINUX_BTRFS_H */