static void
btrfs_print_balance(struct tcb *tcp, const long arg, bool out)
{
struct btrfs_ioctl_balance_args balance_args;
if (umove_or_printaddr(tcp, arg, &balance_args))
return;
tprints("{flags=");
printflags64(btrfs_balance_flags, balance_args.flags,
"BTRFS_BALANCE_???");
if (out) {
tprints(", state=");
printflags64(btrfs_balance_state, balance_args.state,
"BTRFS_BALANCE_STATE_???");
}
if (balance_args.flags & BTRFS_BALANCE_DATA)
btrfs_print_balance_args("data", &balance_args.data);
if (balance_args.flags & BTRFS_BALANCE_METADATA)
btrfs_print_balance_args("meta", &balance_args.meta);
if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
btrfs_print_balance_args("sys", &balance_args.sys);
tprints("}");
}
static void
print_sched_attr(struct tcb *const tcp, const kernel_ulong_t addr,
unsigned int size)
{
struct {
uint32_t size;
uint32_t sched_policy;
uint64_t sched_flags;
uint32_t sched_nice;
uint32_t sched_priority;
uint64_t sched_runtime;
uint64_t sched_deadline;
uint64_t sched_period;
} attr = {};
if (size > sizeof(attr))
size = sizeof(attr);
if (umoven_or_printaddr(tcp, addr, size, &attr))
return;
tprintf("{size=%u, sched_policy=", attr.size);
printxval(schedulers, attr.sched_policy, "SCHED_???");
tprints(", sched_flags=");
printflags64(sched_flags, attr.sched_flags, "SCHED_FLAG_???");
tprintf(", sched_nice=%d", attr.sched_nice);
tprintf(", sched_priority=%u", attr.sched_priority);
tprintf(", sched_runtime=%" PRIu64, attr.sched_runtime);
tprintf(", sched_deadline=%" PRIu64, attr.sched_deadline);
tprintf(", sched_period=%" PRIu64 "}", attr.sched_period);
}
static void
btrfs_print_qgroup_inherit(struct tcb *tcp, const uint64_t qgi_addr)
{
struct btrfs_qgroup_inherit inherit;
if (umove_or_printaddr(tcp, qgi_addr, &inherit))
return;
tprintf("{flags=");
printflags64(btrfs_qgroup_inherit_flags, inherit.flags,
"BTRFS_QGROUP_INHERIT_???");
tprintf(", num_qgroups=%" PRI__u64 ", num_ref_copies=%" PRI__u64
", num_excl_copies=%" PRI__u64 ", lim=",
inherit.num_qgroups, inherit.num_ref_copies,
inherit.num_excl_copies);
btrfs_print_qgroup_limit(&inherit.lim);
tprints(", qgroups=");
if (abbrev(tcp)) {
tprints("...");
} else {
uint64_t record;
print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
inherit.num_qgroups, &record, sizeof(record),
umoven_or_printaddr, print_uint64, 0);
}
tprints("}");
}
static void
btrfs_print_features(const struct btrfs_ioctl_feature_flags *flags)
{
tprints("{compat_flags=");
printflags64(btrfs_features_compat, flags->compat_flags,
"BTRFS_FEATURE_COMPAT_???");
tprints(", compat_ro_flags=");
printflags64(btrfs_features_compat_ro, flags->compat_ro_flags,
"BTRFS_FEATURE_COMPAT_RO_???");
tprints(", incompat_flags=");
printflags64(btrfs_features_incompat, flags->incompat_flags,
"BTRFS_FEATURE_INCOMPAT_???");
tprints("}");
}
static void
btrfs_print_balance_args(const char *name, const struct btrfs_balance_args *bba)
{
tprintf(", %s={profiles=", name);
printflags64(btrfs_space_info_flags, bba->profiles,
"BTRFS_BLOCK_GROUP_???");
print_member_u64(bba, usage);
print_member_u64(bba, devid);
print_member_u64(bba, pstart);
print_member_u64(bba, pend);
print_member_u64(bba, vstart);
print_member_u64(bba, vend);
print_member_u64(bba, target);
tprints(", flags=");
printflags64(btrfs_balance_args, bba->flags, "BTRFS_BALANCE_ARGS_???");
tprints("}");
}
static void
btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit *lim)
{
tprints("{flags=");
printflags64(btrfs_qgroup_limit_flags, lim->flags,
"BTRFS_QGROUP_LIMIT_???");
tprintf(", max_rfer=%" PRI__u64 ", max_excl=%" PRI__u64
", rsv_rfer=%" PRI__u64 ", rsv_excl=%" PRI__u64 "}",
lim->max_rfer, lim->max_excl,
lim->rsv_rfer, lim->rsv_excl);
}
static bool
print_btrfs_ioctl_space_info(struct tcb *tcp, void *elem_buf,
size_t elem_size, void *data)
{
const struct btrfs_ioctl_space_info *info = elem_buf;
tprints("{flags=");
printflags64(btrfs_space_info_flags, info->flags,
"BTRFS_SPACE_INFO_???");
tprintf(", total_bytes=%" PRI__u64 ", used_bytes=%" PRI__u64 "}",
info->total_bytes, info->used_bytes);
return true;
}
static bool
print_fiemap_extent(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
const struct fiemap_extent *fe = elem_buf;
tprintf("{fe_logical=%" PRI__u64
", fe_physical=%" PRI__u64
", fe_length=%" PRI__u64 ", ",
fe->fe_logical, fe->fe_physical, fe->fe_length);
printflags64(fiemap_extent_flags, fe->fe_flags,
"FIEMAP_EXTENT_???");
tprints("}");
return true;
}
MPERS_PRINTER_DECL(int, btrfs_ioctl,
struct tcb *tcp, const unsigned int code, const long arg)
{
switch (code) {
/* Take no arguments; command only. */
case BTRFS_IOC_TRANS_START:
case BTRFS_IOC_TRANS_END:
case BTRFS_IOC_SYNC:
case BTRFS_IOC_SCRUB_CANCEL:
case BTRFS_IOC_QUOTA_RESCAN_WAIT:
/*
* The codes for these ioctls are based on each accepting a
* vol_args but none of them actually consume an argument.
*/
case BTRFS_IOC_DEFRAG:
case BTRFS_IOC_BALANCE:
break;
/* takes a signed int */
case BTRFS_IOC_BALANCE_CTL:
tprints(", ");
printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
break;
/* returns a 64 */
case BTRFS_IOC_START_SYNC: /* R */
if (entering(tcp))
return 0;
/* fall through */
/* takes a u64 */
case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
case BTRFS_IOC_WAIT_SYNC: /* W */
tprints(", ");
printnum_int64(tcp, arg, "%" PRIu64);
break;
/* u64 but describe a flags bitfield; we can make that symbolic */
case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
uint64_t flags;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
break;
}
case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
uint64_t flags;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
break;
}
/* More complex types */
case BTRFS_IOC_BALANCE_V2: /* RW */
if (entering(tcp)) {
tprints(", ");
btrfs_print_balance(tcp, arg, false);
return 0;
}
if (syserror(tcp))
break;
tprints(" => ");
btrfs_print_balance(tcp, arg, true);
break;
case BTRFS_IOC_BALANCE_PROGRESS: /* R */
if (entering(tcp))
return 0;
tprints(", ");
btrfs_print_balance(tcp, arg, true);
break;
case BTRFS_IOC_DEFRAG_RANGE: { /* W */
struct btrfs_ioctl_defrag_range_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{start=%" PRIu64 ", len=", (uint64_t)args.start);
tprintf("%" PRIu64, (uint64_t) args.len);
if (args.len == UINT64_MAX)
tprints(" /* UINT64_MAX */");
tprints(", flags=");
printflags64(btrfs_defrag_flags, args.flags,
"BTRFS_DEFRAG_RANGE_???");
tprintf(", extent_thresh=%u, compress_type=",
args.extent_thresh);
printxval(btrfs_compress_types, args.compress_type,
"BTRFS_COMPRESS_???");
tprints("}");
break;
}
case BTRFS_IOC_DEV_INFO: { /* RW */
struct btrfs_ioctl_dev_info_args args;
char uuid[UUID_STRING_SIZE+1];
int valid;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
valid = btrfs_unparse_uuid(args.uuid, uuid);
if (entering(tcp)) {
tprintf("devid=%" PRI__u64, args.devid);
if (valid)
tprintf(", uuid=%s", uuid);
tprints("}");
return 0;
}
if (valid)
tprintf("uuid=%s, ", uuid);
tprintf("bytes_used=%" PRI__u64
", total_bytes=%" PRI__u64 ", path=",
args.bytes_used, args.total_bytes);
print_quoted_string((const char *)args.path, sizeof(args.path),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_DEV_REPLACE: { /* RW */
struct_btrfs_ioctl_dev_replace_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprints("{cmd=");
printxval64(btrfs_dev_replace_cmds, args.cmd,
"BTRFS_IOCTL_DEV_REPLACE_CMD_???");
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
const char *str;
tprintf(", start={srcdevid=%" PRIu64
", cont_reading_from_srcdev_mode=%" PRIu64
", srcdev_name=",
(uint64_t) args.start.srcdevid,
(uint64_t) args.start.cont_reading_from_srcdev_mode);
str = (const char*) args.start.srcdev_name;
print_quoted_string(str,
sizeof(args.start.srcdev_name),
QUOTE_0_TERMINATED);
tprints(", tgtdev_name=");
str = (const char*) args.start.tgtdev_name;
print_quoted_string(str,
sizeof(args.start.tgtdev_name),
QUOTE_0_TERMINATED);
tprints("}");
}
tprints("}");
return 0;
}
tprints("{result=");
printxval64(btrfs_dev_replace_results, args.result,
"BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
char buf[sizeof("HH:MM:SS") + 1];
time_t time;
tprints(", ");
printxval64(btrfs_dev_replace_state,
args.status.replace_state,
"BTRFS_IOCTL_DEV_REPLACE_STATE_???");
tprintf(", progress_1000=%" PRIu64 " /* ",
(uint64_t) args.status.progress_1000);
if (args.status.progress_1000 <= 1000)
tprintf("%" PRIu64 ".%.2" PRIu64 "%%",
(uint64_t) args.status.progress_1000 / 10,
(uint64_t) args.status.progress_1000 % 10);
else
tprints("???");
tprints(" */ ,");
time = args.status.time_started;
strftime(buf, sizeof(buf), "%T",
localtime(&time));
tprintf("time_started=%" PRIu64" /* %s */, ",
(uint64_t) args.status.time_started, buf);
time = args.status.time_stopped;
strftime(buf, sizeof(buf), "%T",
localtime(&time));
tprintf("time_stopped=%" PRIu64" /* %s */, ",
(uint64_t) args.status.time_stopped, buf);
tprintf("num_write_errors=%" PRIu64
", num_uncorrectable_read_errors=%" PRIu64,
(uint64_t) args.status.num_write_errors,
(uint64_t) args.status.num_uncorrectable_read_errors);
}
tprints("}");
break;
}
case BTRFS_IOC_GET_FEATURES: { /* R */
struct btrfs_ioctl_feature_flags flags;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
btrfs_print_features(&flags);
break;
}
case BTRFS_IOC_SET_FEATURES: { /* W */
struct btrfs_ioctl_feature_flags flarg[2];
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flarg))
break;
tprints("[");
btrfs_print_features(&flarg[0]);
tprints(", ");
btrfs_print_features(&flarg[1]);
tprints("]");
break;
}
case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
struct btrfs_ioctl_feature_flags flarg[3];
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flarg))
break;
tprints("[ /* supported */ ");
btrfs_print_features(&flarg[0]);
tprints(", /* safe to set */ ");
btrfs_print_features(&flarg[1]);
tprints(", /* safe to clear */ ");
btrfs_print_features(&flarg[2]);
tprints("]");
break;
}
case BTRFS_IOC_FS_INFO: { /* R */
struct btrfs_ioctl_fs_info_args args;
char uuid[UUID_STRING_SIZE+1];
uint32_t nodesize, sectorsize, clone_alignment;
#ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
__u32 *reserved32;
#endif
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
#ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
nodesize = args.nodesize,
sectorsize = args.sectorsize,
clone_alignment = args.clone_alignment;
#else
reserved32 = (__u32 *) (void *) args.reserved;
nodesize = reserved32[0];
sectorsize = reserved32[1];
clone_alignment = reserved32[2];
#endif
btrfs_unparse_uuid(args.fsid, uuid);
tprints("{");
tprintf("max_id=%" PRI__u64 ", num_devices=%" PRI__u64
", fsid=%s, nodesize=%u, sectorsize=%u"
", clone_alignment=%u",
args.max_id, args.num_devices, uuid,
nodesize, sectorsize, clone_alignment);
tprints("}");
break;
}
case BTRFS_IOC_GET_DEV_STATS: { /* RW */
struct btrfs_ioctl_get_dev_stats args;
uint64_t i;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp))
tprintf("devid=%" PRI__u64 ", ", args.devid);
tprintf("nr_items=%" PRI__u64 ", flags=", args.nr_items);
printflags64(btrfs_dev_stats_flags, args.flags,
"BTRFS_DEV_STATS_???");
if (entering(tcp)) {
tprints("}");
return 0;
}
/*
* The structure has a 1k limit; Let's make sure we don't
* go off into the middle of nowhere with a bad nr_items
* value.
*/
tprints(", [");
for (i = 0; i < args.nr_items; i++) {
if (i)
tprints(", ");
if (i >= ARRAY_SIZE(args.values)) {
tprints("...");
break;
}
const char *name = xlookup(btrfs_dev_stats_values, i);
if (name)
tprintf("/* %s */ ", name);
tprintf("%" PRI__u64, args.values[i]);
}
tprints("]}");
break;
}
case BTRFS_IOC_INO_LOOKUP: { /* RW */
struct btrfs_ioctl_ino_lookup_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
/* Use subvolume id of the containing root */
if (args.treeid == 0)
set_tcb_priv_ulong(tcp, 1);
tprints("{treeid=");
btrfs_print_objectid(args.treeid);
tprints(", objectid=");
btrfs_print_objectid(args.objectid);
tprints("}");
return 0;
}
tprints("{");
if (get_tcb_priv_ulong(tcp)) {
tprints("treeid=");
btrfs_print_objectid(args.treeid);
tprints(", ");
}
tprints("name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_INO_PATHS: { /* RW */
struct btrfs_ioctl_ino_path_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("inum=%" PRI__u64 ", size=%" PRI__u64,
args.inum, args.size);
tprintf(", fspath=0x%" PRI__x64 "}", args.fspath);
return 0;
}
tprints("fspath=");
btrfs_print_ino_path_container(tcp, args.fspath);
tprints("}");
break;
}
case BTRFS_IOC_LOGICAL_INO: { /* RW */
struct btrfs_ioctl_logical_ino_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("logical=%" PRI__u64 ", size=%" PRI__u64,
args.logical, args.size);
tprintf(", inodes=0x%" PRI__x64 "}", args.inodes);
return 0;
}
tprints("inodes=");
btrfs_print_logical_ino_container(tcp, args.inodes);
tprints("}");
break;
}
case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
struct btrfs_ioctl_qgroup_assign_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{assign=%" PRI__u64 ", src=%" PRI__u64
", dst=%" PRI__u64 "}",
args.assign, args.src, args.dst);
break;
}
case BTRFS_IOC_QGROUP_CREATE: { /* W */
struct btrfs_ioctl_qgroup_create_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{create=%" PRI__u64 ", qgroupid=%" PRI__u64 "}",
args.create, args.qgroupid);
break;
}
case BTRFS_IOC_QGROUP_LIMIT: { /* R */
struct btrfs_ioctl_qgroup_limit_args args;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{qgroupid=%" PRI__u64 ", lim=", args.qgroupid);
btrfs_print_qgroup_limit(&args.lim);
tprints("}");
break;
}
case BTRFS_IOC_QUOTA_CTL: { /* W */
struct btrfs_ioctl_quota_ctl_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
printxval64(btrfs_qgroup_ctl_cmds, args.cmd,
"BTRFS_QUOTA_CTL_???");
tprints("}");
break;
}
case BTRFS_IOC_QUOTA_RESCAN: { /* W */
struct btrfs_ioctl_quota_rescan_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{flags=%" PRIu64 "}", (uint64_t) args.flags);
break;
}
case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
struct btrfs_ioctl_quota_rescan_args args;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{flags=%" PRIu64 ", progress=", (uint64_t) args.flags);
btrfs_print_objectid(args.progress);
tprints("}");
break;
}
case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
struct_btrfs_ioctl_received_subvol_args args;
char uuid[UUID_STRING_SIZE+1];
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
btrfs_unparse_uuid((unsigned char *)args.uuid, uuid);
tprintf("{uuid=%s, stransid=%" PRIu64
", stime=%" PRIu64 ".%u, flags=%" PRIu64
"}", uuid, (uint64_t) args.stransid,
(uint64_t) args.stime.sec, args.stime.nsec,
(uint64_t) args.flags);
return 0;
}
tprintf("{rtransid=%" PRIu64 ", rtime=%" PRIu64 ".%u}",
(uint64_t) args.rtransid, (uint64_t) args.rtime.sec,
args.rtime.nsec);
break;
}
case BTRFS_IOC_SCRUB: /* RW */
case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
struct btrfs_ioctl_scrub_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprintf("{devid=%" PRI__u64, args.devid);
if (code == BTRFS_IOC_SCRUB) {
tprintf(", start=%" PRI__u64 ", end=",
args.start);
tprintf("%" PRI__u64, args.end);
if (args.end == UINT64_MAX)
tprints(" /* UINT64_MAX */");
tprints(", flags=");
printflags64(btrfs_scrub_flags, args.flags,
"BTRFS_SCRUB_???");
}
tprints("}");
return 0;
}
tprintf("{data_extents_scrubbed=%" PRI__u64
", tree_extents_scrubbed=%" PRI__u64
", data_bytes_scrubbed=%" PRI__u64
", tree_bytes_scrubbed=%" PRI__u64
", read_errors=%" PRI__u64
", csum_errors=%" PRI__u64
", verify_errors=%" PRI__u64
", no_csum=%" PRI__u64
", csum_discards=%" PRI__u64
", super_errors=%" PRI__u64
", malloc_errors=%" PRI__u64
", uncorrectable_errors=%" PRI__u64
", corrected_errors=%" PRI__u64
", last_physical=%" PRI__u64
", unverified_errors=%" PRI__u64 "}",
args.progress.data_extents_scrubbed,
args.progress.tree_extents_scrubbed,
args.progress.data_bytes_scrubbed,
args.progress.tree_bytes_scrubbed,
args.progress.read_errors,
args.progress.csum_errors,
args.progress.verify_errors,
args.progress.no_csum,
args.progress.csum_discards,
args.progress.super_errors,
args.progress.malloc_errors,
args.progress.uncorrectable_errors,
args.progress.corrected_errors,
args.progress.last_physical,
args.progress.unverified_errors);
break;
}
case BTRFS_IOC_TREE_SEARCH: { /* RW */
struct btrfs_ioctl_search_args args;
uint64_t buf_offset;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
sizeof(args.buf), false);
if (entering(tcp))
return 0;
break;
}
case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
struct btrfs_ioctl_search_args_v2 args;
uint64_t buf_offset;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp)) {
if (tcp->u_error == EOVERFLOW) {
tprints(" => ");
tcp->u_error = 0;
if (!umove_or_printaddr(tcp, arg, &args))
tprintf("{buf_size=%" PRIu64 "}",
(uint64_t)args.buf_size);
tcp->u_error = EOVERFLOW;
}
break;
} else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
args.buf_size, true);
if (entering(tcp))
return 0;
break;
}
case BTRFS_IOC_SEND: { /* W */
struct_btrfs_ioctl_send_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{send_fd=");
printfd(tcp, args.send_fd);
tprintf(", clone_sources_count=%" PRIu64 ", clone_sources=",
(uint64_t) args.clone_sources_count);
if (abbrev(tcp))
tprints("...");
else {
uint64_t record;
print_array(tcp, (unsigned long) args.clone_sources,
args.clone_sources_count,
&record, sizeof(record),
umoven_or_printaddr,
print_objectid_callback, 0);
}
tprints(", parent_root=");
btrfs_print_objectid(args.parent_root);
tprints(", flags=");
printflags64(btrfs_send_flags, args.flags,
"BTRFS_SEND_FLAGS_???");
tprints("}");
break;
}
case BTRFS_IOC_SPACE_INFO: { /* RW */
struct btrfs_ioctl_space_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("space_slots=%" PRI__u64 "}", args.space_slots);
return 0;
}
tprintf("total_spaces=%" PRI__u64, args.total_spaces);
if (args.space_slots == 0 && args.total_spaces) {
tprints("}");
break;
}
tprints(", spaces=");
if (abbrev(tcp))
tprints("...");
else {
struct btrfs_ioctl_space_info info;
print_array(tcp, arg + offsetof(typeof(args), spaces),
args.total_spaces,
&info, sizeof(info), umoven_or_printaddr,
print_btrfs_ioctl_space_info, 0);
}
tprints("}");
break;
}
case BTRFS_IOC_SNAP_CREATE:
case BTRFS_IOC_RESIZE:
case BTRFS_IOC_SCAN_DEV:
case BTRFS_IOC_ADD_DEV:
case BTRFS_IOC_RM_DEV:
case BTRFS_IOC_SUBVOL_CREATE:
case BTRFS_IOC_SNAP_DESTROY:
case BTRFS_IOC_DEVICES_READY: { /* W */
struct btrfs_ioctl_vol_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{fd=");
printfd(tcp, args.fd);
tprints(", name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_SNAP_CREATE_V2:
case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
struct btrfs_ioctl_vol_args_v2 args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprints("{fd=");
printfd(tcp, args.fd);
tprints(", flags=");
printflags64(btrfs_snap_flags_v2, args.flags,
"BTRFS_SUBVOL_???");
if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
tprintf(", size=%" PRI__u64 ", qgroup_inherit=",
args.size);
btrfs_print_qgroup_inherit(tcp,
(unsigned long)args.qgroup_inherit);
}
tprintf(", name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
return 0;
}
tprintf("{transid=%" PRI__u64 "}", args.transid);
break;
}
case BTRFS_IOC_GET_FSLABEL: /* R */
if (entering(tcp))
return 0;
/* fall through */
case BTRFS_IOC_SET_FSLABEL: { /* W */
char label[BTRFS_LABEL_SIZE];
tprints(", ");
if (umove_or_printaddr(tcp, arg, &label))
break;
print_quoted_string(label, sizeof(label), QUOTE_0_TERMINATED);
break;
}
case BTRFS_IOC_CLONE: /* FICLONE */
case BTRFS_IOC_CLONE_RANGE: /* FICLONERANGE */
#ifdef BTRFS_IOC_FILE_EXTENT_SAME
case BTRFS_IOC_FILE_EXTENT_SAME: /* FIDEDUPERANGE */
#endif
/*
* FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
* btrfs ioctls and the code was kept for the generic
* implementations. We use the BTRFS_* names here because
* they will be available on older systems.
*/
return file_ioctl(tcp, code, arg);
default:
return RVAL_DECODED;
};
return RVAL_DECODED | 1;
}
int
file_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
switch (code) {
case FICLONE: /* W */
tprintf(", %d", (int) arg);
break;
case FICLONERANGE: { /* W */
struct file_clone_range args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{src_fd=");
printfd(tcp, args.src_fd);
tprintf(", src_offset=%" PRIu64
", src_length=%" PRIu64
", dest_offset=%" PRIu64 "}",
(uint64_t) args.src_offset,
(uint64_t) args.src_length,
(uint64_t) args.dest_offset);
break;
}
case FIDEDUPERANGE: { /* RW */
struct file_dedupe_range args;
struct file_dedupe_range_info info;
unsigned int *limit = NULL;
unsigned int count = 2;
bool rc;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("src_offset=%" PRIu64
", src_length=%" PRIu64
", dest_count=%hu, ",
(uint64_t) args.src_offset,
(uint64_t) args.src_length,
(uint16_t) args.dest_count);
}
tprints("info=");
/* Limit how many elements we print in abbrev mode. */
if (abbrev(tcp) && args.dest_count > count)
limit = &count;
rc = print_array(tcp, arg + offsetof(typeof(args), info),
args.dest_count, &info, sizeof(info),
tfetch_mem,
print_file_dedupe_range_info, limit);
tprints("}");
if (!rc || exiting(tcp))
break;
return 0;
}
#ifdef HAVE_LINUX_FIEMAP_H
case FS_IOC_FIEMAP: {
struct fiemap args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprintf("{fm_start=%" PRI__u64 ", "
"fm_length=%" PRI__u64 ", "
"fm_flags=",
args.fm_start, args.fm_length);
printflags64(fiemap_flags, args.fm_flags,
"FIEMAP_FLAG_???");
tprintf(", fm_extent_count=%u}", args.fm_extent_count);
return 0;
}
tprints("{fm_flags=");
printflags64(fiemap_flags, args.fm_flags,
"FIEMAP_FLAG_???");
tprintf(", fm_mapped_extents=%u",
args.fm_mapped_extents);
if (abbrev(tcp)) {
tprints(", ...");
} else {
struct fiemap_extent fe;
tprints(", fm_extents=");
print_array(tcp,
arg + offsetof(typeof(args), fm_extents),
args.fm_mapped_extents, &fe, sizeof(fe),
tfetch_mem,
print_fiemap_extent, 0);
}
tprints("}");
break;
}
#endif /* HAVE_LINUX_FIEMAP_H */
default:
return RVAL_DECODED;
};
return RVAL_IOCTL_DECODED;
}
int
uffdio_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
switch (code) {
case UFFDIO_API: {
struct uffdio_api ua;
if (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, arg, &ua))
return RVAL_DECODED | 1;
/* Features is intended to contain some flags, but
* there aren't any defined yet.
*/
tprintf("{api=%#" PRI__x64
", features=%#" PRI__x64,
ua.api, ua.features);
} else {
if (!syserror(tcp) && !umove(tcp, arg, &ua)) {
tprintf(", features.out=%#" PRI__x64
", ioctls=", ua.features);
printflags64(uffd_api_flags, ua.ioctls,
"_UFFDIO_???");
}
tprints("}");
}
return 1;
}
case UFFDIO_COPY: {
struct uffdio_copy uc;
if (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, arg, &uc))
return RVAL_DECODED | 1;
tprintf("{dst=%#" PRI__x64 ", src=%#" PRI__x64
", len=%#" PRI__x64 ", mode=",
uc.dst, uc.src, uc.len);
printflags64(uffd_copy_flags, uc.mode,
"UFFDIO_COPY_???");
} else {
if (!syserror(tcp) && !umove(tcp, arg, &uc))
tprintf(", copy=%#" PRI__x64, uc.copy);
tprints("}");
}
return 1;
}
case UFFDIO_REGISTER: {
struct uffdio_register ur;
if (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, arg, &ur))
return RVAL_DECODED | 1;
tprints("{range=");
tprintf_uffdio_range(&ur.range);
tprints(", mode=");
printflags64(uffd_register_mode_flags, ur.mode,
"UFFDIO_REGISTER_MODE_???");
} else {
if (!syserror(tcp) && !umove(tcp, arg, &ur)) {
tprints(", ioctls=");
printflags64(uffd_register_ioctl_flags,
ur.ioctls, "UFFDIO_???");
}
tprints("}");
}
return 1;
}
case UFFDIO_UNREGISTER:
case UFFDIO_WAKE: {
struct uffdio_range ura;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &ura))
tprintf_uffdio_range(&ura);
return RVAL_DECODED | 1;
}
case UFFDIO_ZEROPAGE: {
struct uffdio_zeropage uz;
if (entering(tcp)) {
tprints(", ");
if (umove_or_printaddr(tcp, arg, &uz))
return RVAL_DECODED | 1;
tprints("{range=");
tprintf_uffdio_range(&uz.range);
tprints(", mode=");
printflags64(uffd_zeropage_flags, uz.mode,
"UFFDIO_ZEROPAGE_???");
} else {
if (!syserror(tcp) && !umove(tcp, arg, &uz))
tprintf(", zeropage=%#" PRI__x64, uz.zeropage);
tprints("}");
}
return 1;
}
default:
return RVAL_DECODED;
}
}
