| /* |
| * 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 |