181 lines
5.8 KiB
C
181 lines
5.8 KiB
C
/*
|
|
* This file is auto-generated. Modifications will be lost.
|
|
*
|
|
* See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
|
|
* for more information.
|
|
*/
|
|
#ifndef USER_BLK_DRV_CMD_INC_H
|
|
#define USER_BLK_DRV_CMD_INC_H
|
|
#include <linux/types.h>
|
|
#define UBLK_CMD_GET_QUEUE_AFFINITY 0x01
|
|
#define UBLK_CMD_GET_DEV_INFO 0x02
|
|
#define UBLK_CMD_ADD_DEV 0x04
|
|
#define UBLK_CMD_DEL_DEV 0x05
|
|
#define UBLK_CMD_START_DEV 0x06
|
|
#define UBLK_CMD_STOP_DEV 0x07
|
|
#define UBLK_CMD_SET_PARAMS 0x08
|
|
#define UBLK_CMD_GET_PARAMS 0x09
|
|
#define UBLK_CMD_START_USER_RECOVERY 0x10
|
|
#define UBLK_CMD_END_USER_RECOVERY 0x11
|
|
#define UBLK_CMD_GET_DEV_INFO2 0x12
|
|
#define UBLK_U_CMD_GET_QUEUE_AFFINITY _IOR('u', UBLK_CMD_GET_QUEUE_AFFINITY, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_GET_DEV_INFO _IOR('u', UBLK_CMD_GET_DEV_INFO, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_ADD_DEV _IOWR('u', UBLK_CMD_ADD_DEV, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_DEL_DEV _IOWR('u', UBLK_CMD_DEL_DEV, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_START_DEV _IOWR('u', UBLK_CMD_START_DEV, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_STOP_DEV _IOWR('u', UBLK_CMD_STOP_DEV, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_SET_PARAMS _IOWR('u', UBLK_CMD_SET_PARAMS, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_GET_PARAMS _IOR('u', UBLK_CMD_GET_PARAMS, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_START_USER_RECOVERY _IOWR('u', UBLK_CMD_START_USER_RECOVERY, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_END_USER_RECOVERY _IOWR('u', UBLK_CMD_END_USER_RECOVERY, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_GET_DEV_INFO2 _IOR('u', UBLK_CMD_GET_DEV_INFO2, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_U_CMD_GET_FEATURES _IOR('u', 0x13, struct ublksrv_ctrl_cmd)
|
|
#define UBLK_FEATURES_LEN 8
|
|
#define UBLK_IO_FETCH_REQ 0x20
|
|
#define UBLK_IO_COMMIT_AND_FETCH_REQ 0x21
|
|
#define UBLK_IO_NEED_GET_DATA 0x22
|
|
#define UBLK_U_IO_FETCH_REQ _IOWR('u', UBLK_IO_FETCH_REQ, struct ublksrv_io_cmd)
|
|
#define UBLK_U_IO_COMMIT_AND_FETCH_REQ _IOWR('u', UBLK_IO_COMMIT_AND_FETCH_REQ, struct ublksrv_io_cmd)
|
|
#define UBLK_U_IO_NEED_GET_DATA _IOWR('u', UBLK_IO_NEED_GET_DATA, struct ublksrv_io_cmd)
|
|
#define UBLK_IO_RES_OK 0
|
|
#define UBLK_IO_RES_NEED_GET_DATA 1
|
|
#define UBLK_IO_RES_ABORT (- ENODEV)
|
|
#define UBLKSRV_CMD_BUF_OFFSET 0
|
|
#define UBLKSRV_IO_BUF_OFFSET 0x80000000
|
|
#define UBLK_MAX_QUEUE_DEPTH 4096
|
|
#define UBLK_IO_BUF_OFF 0
|
|
#define UBLK_IO_BUF_BITS 25
|
|
#define UBLK_IO_BUF_BITS_MASK ((1ULL << UBLK_IO_BUF_BITS) - 1)
|
|
#define UBLK_TAG_OFF UBLK_IO_BUF_BITS
|
|
#define UBLK_TAG_BITS 16
|
|
#define UBLK_TAG_BITS_MASK ((1ULL << UBLK_TAG_BITS) - 1)
|
|
#define UBLK_QID_OFF (UBLK_TAG_OFF + UBLK_TAG_BITS)
|
|
#define UBLK_QID_BITS 12
|
|
#define UBLK_QID_BITS_MASK ((1ULL << UBLK_QID_BITS) - 1)
|
|
#define UBLK_MAX_NR_QUEUES (1U << UBLK_QID_BITS)
|
|
#define UBLKSRV_IO_BUF_TOTAL_BITS (UBLK_QID_OFF + UBLK_QID_BITS)
|
|
#define UBLKSRV_IO_BUF_TOTAL_SIZE (1ULL << UBLKSRV_IO_BUF_TOTAL_BITS)
|
|
#define UBLK_F_SUPPORT_ZERO_COPY (1ULL << 0)
|
|
#define UBLK_F_URING_CMD_COMP_IN_TASK (1ULL << 1)
|
|
#define UBLK_F_NEED_GET_DATA (1UL << 2)
|
|
#define UBLK_F_USER_RECOVERY (1UL << 3)
|
|
#define UBLK_F_USER_RECOVERY_REISSUE (1UL << 4)
|
|
#define UBLK_F_UNPRIVILEGED_DEV (1UL << 5)
|
|
#define UBLK_F_CMD_IOCTL_ENCODE (1UL << 6)
|
|
#define UBLK_F_USER_COPY (1UL << 7)
|
|
#define UBLK_F_ZONED (1ULL << 8)
|
|
#define UBLK_S_DEV_DEAD 0
|
|
#define UBLK_S_DEV_LIVE 1
|
|
#define UBLK_S_DEV_QUIESCED 2
|
|
struct ublksrv_ctrl_cmd {
|
|
__u32 dev_id;
|
|
__u16 queue_id;
|
|
__u16 len;
|
|
__u64 addr;
|
|
__u64 data[1];
|
|
__u16 dev_path_len;
|
|
__u16 pad;
|
|
__u32 reserved;
|
|
};
|
|
struct ublksrv_ctrl_dev_info {
|
|
__u16 nr_hw_queues;
|
|
__u16 queue_depth;
|
|
__u16 state;
|
|
__u16 pad0;
|
|
__u32 max_io_buf_bytes;
|
|
__u32 dev_id;
|
|
__s32 ublksrv_pid;
|
|
__u32 pad1;
|
|
__u64 flags;
|
|
__u64 ublksrv_flags;
|
|
__u32 owner_uid;
|
|
__u32 owner_gid;
|
|
__u64 reserved1;
|
|
__u64 reserved2;
|
|
};
|
|
#define UBLK_IO_OP_READ 0
|
|
#define UBLK_IO_OP_WRITE 1
|
|
#define UBLK_IO_OP_FLUSH 2
|
|
#define UBLK_IO_OP_DISCARD 3
|
|
#define UBLK_IO_OP_WRITE_SAME 4
|
|
#define UBLK_IO_OP_WRITE_ZEROES 5
|
|
#define UBLK_IO_OP_ZONE_OPEN 10
|
|
#define UBLK_IO_OP_ZONE_CLOSE 11
|
|
#define UBLK_IO_OP_ZONE_FINISH 12
|
|
#define UBLK_IO_OP_ZONE_APPEND 13
|
|
#define UBLK_IO_OP_ZONE_RESET_ALL 14
|
|
#define UBLK_IO_OP_ZONE_RESET 15
|
|
#define UBLK_IO_OP_REPORT_ZONES 18
|
|
#define UBLK_IO_F_FAILFAST_DEV (1U << 8)
|
|
#define UBLK_IO_F_FAILFAST_TRANSPORT (1U << 9)
|
|
#define UBLK_IO_F_FAILFAST_DRIVER (1U << 10)
|
|
#define UBLK_IO_F_META (1U << 11)
|
|
#define UBLK_IO_F_FUA (1U << 13)
|
|
#define UBLK_IO_F_NOUNMAP (1U << 15)
|
|
#define UBLK_IO_F_SWAP (1U << 16)
|
|
struct ublksrv_io_desc {
|
|
__u32 op_flags;
|
|
union {
|
|
__u32 nr_sectors;
|
|
__u32 nr_zones;
|
|
};
|
|
__u64 start_sector;
|
|
__u64 addr;
|
|
};
|
|
struct ublksrv_io_cmd {
|
|
__u16 q_id;
|
|
__u16 tag;
|
|
__s32 result;
|
|
union {
|
|
__u64 addr;
|
|
__u64 zone_append_lba;
|
|
};
|
|
};
|
|
struct ublk_param_basic {
|
|
#define UBLK_ATTR_READ_ONLY (1 << 0)
|
|
#define UBLK_ATTR_ROTATIONAL (1 << 1)
|
|
#define UBLK_ATTR_VOLATILE_CACHE (1 << 2)
|
|
#define UBLK_ATTR_FUA (1 << 3)
|
|
__u32 attrs;
|
|
__u8 logical_bs_shift;
|
|
__u8 physical_bs_shift;
|
|
__u8 io_opt_shift;
|
|
__u8 io_min_shift;
|
|
__u32 max_sectors;
|
|
__u32 chunk_sectors;
|
|
__u64 dev_sectors;
|
|
__u64 virt_boundary_mask;
|
|
};
|
|
struct ublk_param_discard {
|
|
__u32 discard_alignment;
|
|
__u32 discard_granularity;
|
|
__u32 max_discard_sectors;
|
|
__u32 max_write_zeroes_sectors;
|
|
__u16 max_discard_segments;
|
|
__u16 reserved0;
|
|
};
|
|
struct ublk_param_devt {
|
|
__u32 char_major;
|
|
__u32 char_minor;
|
|
__u32 disk_major;
|
|
__u32 disk_minor;
|
|
};
|
|
struct ublk_param_zoned {
|
|
__u32 max_open_zones;
|
|
__u32 max_active_zones;
|
|
__u32 max_zone_append_sectors;
|
|
__u8 reserved[20];
|
|
};
|
|
struct ublk_params {
|
|
__u32 len;
|
|
#define UBLK_PARAM_TYPE_BASIC (1 << 0)
|
|
#define UBLK_PARAM_TYPE_DISCARD (1 << 1)
|
|
#define UBLK_PARAM_TYPE_DEVT (1 << 2)
|
|
#define UBLK_PARAM_TYPE_ZONED (1 << 3)
|
|
__u32 types;
|
|
struct ublk_param_basic basic;
|
|
struct ublk_param_discard discard;
|
|
struct ublk_param_devt devt;
|
|
struct ublk_param_zoned zoned;
|
|
};
|
|
#endif
|