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#ifndef _LINUX_BCACHE_IOCTL_H
#define _LINUX_BCACHE_IOCTL_H
#include <linux/bcache.h>
#include <linux/uuid.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BCH_FORCE_IF_DATA_LOST (1 << 0)
#define BCH_FORCE_IF_METADATA_LOST (1 << 1)
#define BCH_FORCE_IF_DATA_DEGRADED (1 << 2)
#define BCH_FORCE_IF_METADATA_DEGRADED (1 << 3)
#define BCH_FORCE_IF_DEGRADED \
(BCH_FORCE_IF_DATA_DEGRADED| \
BCH_FORCE_IF_METADATA_DEGRADED)
#define BCH_BY_UUID (1 << 4)
/* global control dev: */
#define BCH_IOCTL_ASSEMBLE _IOW(0xbc, 1, struct bch_ioctl_assemble)
#define BCH_IOCTL_INCREMENTAL _IOW(0xbc, 2, struct bch_ioctl_incremental)
struct bch_ioctl_assemble {
__u32 flags;
__u32 nr_devs;
__u64 pad;
__u64 devs[];
};
struct bch_ioctl_incremental {
__u32 flags;
__u64 pad;
__u64 dev;
};
/* filesystem ioctls: */
#define BCH_IOCTL_QUERY_UUID _IOR(0xbc, 1, struct bch_ioctl_query_uuid)
#define BCH_IOCTL_START _IOW(0xbc, 2, struct bch_ioctl_start)
#define BCH_IOCTL_STOP _IO(0xbc, 3)
#define BCH_IOCTL_DISK_ADD _IOW(0xbc, 4, struct bch_ioctl_disk)
#define BCH_IOCTL_DISK_REMOVE _IOW(0xbc, 5, struct bch_ioctl_disk)
#define BCH_IOCTL_DISK_ONLINE _IOW(0xbc, 6, struct bch_ioctl_disk)
#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_DISK_EVACUATE _IOW(0xbc, 9, struct bch_ioctl_disk)
#define BCH_IOCTL_DATA _IOW(0xbc, 10, struct bch_ioctl_data)
struct bch_ioctl_query_uuid {
uuid_le uuid;
};
struct bch_ioctl_start {
__u32 flags;
__u32 pad;
};
struct bch_ioctl_disk {
__u32 flags;
__u32 pad;
__u64 dev;
};
struct bch_ioctl_disk_set_state {
__u32 flags;
__u8 new_state;
__u8 pad[3];
__u64 dev;
};
#define BCH_REWRITE_INCREASE_REPLICAS (1 << 0)
#define BCH_REWRITE_DECREASE_REPLICAS (1 << 1)
#define BCH_REWRITE_RECOMPRESS (1 << 0)
#define BCH_REWRITE_DECREASE_REPLICAS (1 << 1)
enum bch_data_ops {
BCH_DATA_SCRUB,
};
struct bch_data_op {
__u8 type;
};
struct bch_ioctl_data {
__u32 flags;
__u32 pad;
__u64 start_inode;
__u64 start_offset;
__u64 end_inode;
__u64 end_offset;
};
#ifdef __cplusplus
}
#endif
#endif /* _LINUX_BCACHE_IOCTL_H */
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