/* * 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 #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_U_CMD_DEL_DEV_ASYNC _IOR('u', 0x14, 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