+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_IOCTL_H
#define _BCACHEFS_IOCTL_H
#define BCH_FORCE_IF_DATA_DEGRADED (1 << 2)
#define BCH_FORCE_IF_METADATA_DEGRADED (1 << 3)
+#define BCH_FORCE_IF_LOST \
+ (BCH_FORCE_IF_DATA_LOST| \
+ BCH_FORCE_IF_METADATA_LOST)
#define BCH_FORCE_IF_DEGRADED \
(BCH_FORCE_IF_DATA_DEGRADED| \
BCH_FORCE_IF_METADATA_DEGRADED)
#define BCH_IOCTL_DISK_OFFLINE _IOW(0xbc, 7, struct bch_ioctl_disk)
#define BCH_IOCTL_DISK_SET_STATE _IOW(0xbc, 8, struct bch_ioctl_disk_set_state)
#define BCH_IOCTL_DATA _IOW(0xbc, 10, struct bch_ioctl_data)
-#define BCH_IOCTL_USAGE _IOWR(0xbc, 11, struct bch_ioctl_usage)
+#define BCH_IOCTL_FS_USAGE _IOWR(0xbc, 11, struct bch_ioctl_fs_usage)
+#define BCH_IOCTL_DEV_USAGE _IOWR(0xbc, 11, struct bch_ioctl_dev_usage)
#define BCH_IOCTL_READ_SUPER _IOW(0xbc, 12, struct bch_ioctl_read_super)
#define BCH_IOCTL_DISK_GET_IDX _IOW(0xbc, 13, struct bch_ioctl_disk_get_idx)
#define BCH_IOCTL_DISK_RESIZE _IOW(0xbc, 14, struct bch_ioctl_disk_resize)
+#define BCH_IOCTL_DISK_RESIZE_JOURNAL _IOW(0xbc,15, struct bch_ioctl_disk_resize_journal)
+
+#define BCH_IOCTL_SUBVOLUME_CREATE _IOW(0xbc, 16, struct bch_ioctl_subvolume)
+#define BCH_IOCTL_SUBVOLUME_DESTROY _IOW(0xbc, 17, struct bch_ioctl_subvolume)
+
+#define BCH_IOCTL_DEV_USAGE_V2 _IOWR(0xbc, 18, struct bch_ioctl_dev_usage_v2)
+
+#define BCH_IOCTL_FSCK_OFFLINE _IOW(0xbc, 19, struct bch_ioctl_fsck_offline)
+#define BCH_IOCTL_FSCK_ONLINE _IOW(0xbc, 20, struct bch_ioctl_fsck_online)
/* ioctl below act on a particular file, not the filesystem as a whole: */
* this UUID.
*/
struct bch_ioctl_query_uuid {
- uuid_le uuid;
+ __uuid_t uuid;
};
#if 0
__u64 dev;
};
+#define BCH_DATA_OPS() \
+ x(scrub, 0) \
+ x(rereplicate, 1) \
+ x(migrate, 2) \
+ x(rewrite_old_nodes, 3) \
+ x(drop_extra_replicas, 4)
+
enum bch_data_ops {
- BCH_DATA_OP_SCRUB = 0,
- BCH_DATA_OP_REREPLICATE = 1,
- BCH_DATA_OP_MIGRATE = 2,
- BCH_DATA_OP_NR = 3,
+#define x(t, n) BCH_DATA_OP_##t = n,
+ BCH_DATA_OPS()
+#undef x
+ BCH_DATA_OP_NR
};
/*
* job. The file descriptor is O_CLOEXEC.
*/
struct bch_ioctl_data {
- __u32 op;
+ __u16 op;
+ __u8 start_btree;
+ __u8 end_btree;
__u32 flags;
- struct bpos start;
- struct bpos end;
+ struct bpos start_pos;
+ struct bpos end_pos;
union {
struct {
__u64 pad[8];
};
};
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
enum bch_data_event {
BCH_DATA_EVENT_PROGRESS = 0,
__u64 sectors_done;
__u64 sectors_total;
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
struct bch_ioctl_data_event {
__u8 type;
struct bch_ioctl_data_progress p;
__u64 pad2[15];
};
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
-struct bch_ioctl_dev_usage {
- __u8 state;
- __u8 alive;
- __u8 pad[6];
- __u32 dev;
-
- __u32 bucket_size;
- __u64 nr_buckets;
+struct bch_replicas_usage {
+ __u64 sectors;
+ struct bch_replicas_entry_v1 r;
+} __packed;
- __u64 buckets[BCH_DATA_NR];
- __u64 sectors[BCH_DATA_NR];
-};
+static inline struct bch_replicas_usage *
+replicas_usage_next(struct bch_replicas_usage *u)
+{
+ return (void *) u + replicas_entry_bytes(&u->r) + 8;
+}
+/*
+ * BCH_IOCTL_FS_USAGE: query filesystem disk space usage
+ *
+ * Returns disk space usage broken out by data type, number of replicas, and
+ * by component device
+ *
+ * @replica_entries_bytes - size, in bytes, allocated for replica usage entries
+ *
+ * On success, @replica_entries_bytes will be changed to indicate the number of
+ * bytes actually used.
+ *
+ * Returns -ERANGE if @replica_entries_bytes was too small
+ */
struct bch_ioctl_fs_usage {
__u64 capacity;
__u64 used;
__u64 online_reserved;
__u64 persistent_reserved[BCH_REPLICAS_MAX];
- __u64 sectors[BCH_DATA_NR][BCH_REPLICAS_MAX];
+
+ __u32 replica_entries_bytes;
+ __u32 pad;
+
+ struct bch_replicas_usage replicas[];
};
/*
- * BCH_IOCTL_USAGE: query filesystem disk space usage
- *
- * Returns disk space usage broken out by data type, number of replicas, and
- * by component device
- *
- * @nr_devices - number of devices userspace allocated space for in @devs
- *
- * On success, @fs and @devs will be filled out appropriately and devs[i].alive
- * will indicate if a device was present in that slot
+ * BCH_IOCTL_DEV_USAGE: query device disk space usage
*
- * Returns -ERANGE if @nr_devices was too small
+ * Returns disk space usage broken out by data type - both by buckets and
+ * sectors.
*/
-struct bch_ioctl_usage {
- __u16 nr_devices;
- __u16 pad[3];
+struct bch_ioctl_dev_usage {
+ __u64 dev;
+ __u32 flags;
+ __u8 state;
+ __u8 pad[7];
+
+ __u32 bucket_size;
+ __u64 nr_buckets;
- struct bch_ioctl_fs_usage fs;
- struct bch_ioctl_dev_usage devs[0];
+ __u64 buckets_ec;
+
+ struct bch_ioctl_dev_usage_type {
+ __u64 buckets;
+ __u64 sectors;
+ __u64 fragmented;
+ } d[10];
+};
+
+struct bch_ioctl_dev_usage_v2 {
+ __u64 dev;
+ __u32 flags;
+ __u8 state;
+ __u8 nr_data_types;
+ __u8 pad[6];
+
+ __u32 bucket_size;
+ __u64 nr_buckets;
+
+ struct bch_ioctl_dev_usage_type d[];
};
/*
__u64 nbuckets;
};
+/*
+ * BCH_IOCTL_DISK_RESIZE_JOURNAL: resize journal on a device
+ *
+ * @dev - member to resize
+ * @nbuckets - new number of buckets
+ */
+struct bch_ioctl_disk_resize_journal {
+ __u32 flags;
+ __u32 pad;
+ __u64 dev;
+ __u64 nbuckets;
+};
+
+struct bch_ioctl_subvolume {
+ __u32 flags;
+ __u32 dirfd;
+ __u16 mode;
+ __u16 pad[3];
+ __u64 dst_ptr;
+ __u64 src_ptr;
+};
+
+#define BCH_SUBVOL_SNAPSHOT_CREATE (1U << 0)
+#define BCH_SUBVOL_SNAPSHOT_RO (1U << 1)
+
+/*
+ * BCH_IOCTL_FSCK_OFFLINE: run fsck from the 'bcachefs fsck' userspace command,
+ * but with the kernel's implementation of fsck:
+ */
+struct bch_ioctl_fsck_offline {
+ __u64 flags;
+ __u64 opts; /* string */
+ __u64 nr_devs;
+ __u64 devs[] __counted_by(nr_devs);
+};
+
+/*
+ * BCH_IOCTL_FSCK_ONLINE: run fsck from the 'bcachefs fsck' userspace command,
+ * but with the kernel's implementation of fsck:
+ */
+struct bch_ioctl_fsck_online {
+ __u64 flags;
+ __u64 opts; /* string */
+};
+
#endif /* _BCACHEFS_IOCTL_H */
projects / bcachefs-tools-debian / blobdiff