/* * This file is auto-generated. Modifications will be lost. * * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ * for more information. */ #ifndef LINUX_IO_URING_H #define LINUX_IO_URING_H #include #include #ifndef UAPI_LINUX_IO_URING_H_SKIP_LINUX_TIME_TYPES_H #include #endif #ifdef __cplusplus extern "C" { #endif struct io_uring_sqe { __u8 opcode; __u8 flags; __u16 ioprio; __s32 fd; union { __u64 off; __u64 addr2; struct { __u32 cmd_op; __u32 __pad1; }; }; union { __u64 addr; __u64 splice_off_in; struct { __u32 level; __u32 optname; }; }; __u32 len; union { __kernel_rwf_t rw_flags; __u32 fsync_flags; __u16 poll_events; __u32 poll32_events; __u32 sync_range_flags; __u32 msg_flags; __u32 timeout_flags; __u32 accept_flags; __u32 cancel_flags; __u32 open_flags; __u32 statx_flags; __u32 fadvise_advice; __u32 splice_flags; __u32 rename_flags; __u32 unlink_flags; __u32 hardlink_flags; __u32 xattr_flags; __u32 msg_ring_flags; __u32 uring_cmd_flags; __u32 waitid_flags; __u32 futex_flags; __u32 install_fd_flags; }; __u64 user_data; union { __u16 buf_index; __u16 buf_group; } __attribute__((packed)); __u16 personality; union { __s32 splice_fd_in; __u32 file_index; __u32 optlen; struct { __u16 addr_len; __u16 __pad3[1]; }; }; union { struct { __u64 addr3; __u64 __pad2[1]; }; __u64 optval; __u8 cmd[0]; }; }; #define IORING_FILE_INDEX_ALLOC (~0U) enum { IOSQE_FIXED_FILE_BIT, IOSQE_IO_DRAIN_BIT, IOSQE_IO_LINK_BIT, IOSQE_IO_HARDLINK_BIT, IOSQE_ASYNC_BIT, IOSQE_BUFFER_SELECT_BIT, IOSQE_CQE_SKIP_SUCCESS_BIT, }; #define IOSQE_FIXED_FILE (1U << IOSQE_FIXED_FILE_BIT) #define IOSQE_IO_DRAIN (1U << IOSQE_IO_DRAIN_BIT) #define IOSQE_IO_LINK (1U << IOSQE_IO_LINK_BIT) #define IOSQE_IO_HARDLINK (1U << IOSQE_IO_HARDLINK_BIT) #define IOSQE_ASYNC (1U << IOSQE_ASYNC_BIT) #define IOSQE_BUFFER_SELECT (1U << IOSQE_BUFFER_SELECT_BIT) #define IOSQE_CQE_SKIP_SUCCESS (1U << IOSQE_CQE_SKIP_SUCCESS_BIT) #define IORING_SETUP_IOPOLL (1U << 0) #define IORING_SETUP_SQPOLL (1U << 1) #define IORING_SETUP_SQ_AFF (1U << 2) #define IORING_SETUP_CQSIZE (1U << 3) #define IORING_SETUP_CLAMP (1U << 4) #define IORING_SETUP_ATTACH_WQ (1U << 5) #define IORING_SETUP_R_DISABLED (1U << 6) #define IORING_SETUP_SUBMIT_ALL (1U << 7) #define IORING_SETUP_COOP_TASKRUN (1U << 8) #define IORING_SETUP_TASKRUN_FLAG (1U << 9) #define IORING_SETUP_SQE128 (1U << 10) #define IORING_SETUP_CQE32 (1U << 11) #define IORING_SETUP_SINGLE_ISSUER (1U << 12) #define IORING_SETUP_DEFER_TASKRUN (1U << 13) #define IORING_SETUP_NO_MMAP (1U << 14) #define IORING_SETUP_REGISTERED_FD_ONLY (1U << 15) #define IORING_SETUP_NO_SQARRAY (1U << 16) enum io_uring_op { IORING_OP_NOP, IORING_OP_READV, IORING_OP_WRITEV, IORING_OP_FSYNC, IORING_OP_READ_FIXED, IORING_OP_WRITE_FIXED, IORING_OP_POLL_ADD, IORING_OP_POLL_REMOVE, IORING_OP_SYNC_FILE_RANGE, IORING_OP_SENDMSG, IORING_OP_RECVMSG, IORING_OP_TIMEOUT, IORING_OP_TIMEOUT_REMOVE, IORING_OP_ACCEPT, IORING_OP_ASYNC_CANCEL, IORING_OP_LINK_TIMEOUT, IORING_OP_CONNECT, IORING_OP_FALLOCATE, IORING_OP_OPENAT, IORING_OP_CLOSE, IORING_OP_FILES_UPDATE, IORING_OP_STATX, IORING_OP_READ, IORING_OP_WRITE, IORING_OP_FADVISE, IORING_OP_MADVISE, IORING_OP_SEND, IORING_OP_RECV, IORING_OP_OPENAT2, IORING_OP_EPOLL_CTL, IORING_OP_SPLICE, IORING_OP_PROVIDE_BUFFERS, IORING_OP_REMOVE_BUFFERS, IORING_OP_TEE, IORING_OP_SHUTDOWN, IORING_OP_RENAMEAT, IORING_OP_UNLINKAT, IORING_OP_MKDIRAT, IORING_OP_SYMLINKAT, IORING_OP_LINKAT, IORING_OP_MSG_RING, IORING_OP_FSETXATTR, IORING_OP_SETXATTR, IORING_OP_FGETXATTR, IORING_OP_GETXATTR, IORING_OP_SOCKET, IORING_OP_URING_CMD, IORING_OP_SEND_ZC, IORING_OP_SENDMSG_ZC, IORING_OP_READ_MULTISHOT, IORING_OP_WAITID, IORING_OP_FUTEX_WAIT, IORING_OP_FUTEX_WAKE, IORING_OP_FUTEX_WAITV, IORING_OP_FIXED_FD_INSTALL, IORING_OP_FTRUNCATE, IORING_OP_LAST, }; #define IORING_URING_CMD_FIXED (1U << 0) #define IORING_URING_CMD_MASK IORING_URING_CMD_FIXED #define IORING_FSYNC_DATASYNC (1U << 0) #define IORING_TIMEOUT_ABS (1U << 0) #define IORING_TIMEOUT_UPDATE (1U << 1) #define IORING_TIMEOUT_BOOTTIME (1U << 2) #define IORING_TIMEOUT_REALTIME (1U << 3) #define IORING_LINK_TIMEOUT_UPDATE (1U << 4) #define IORING_TIMEOUT_ETIME_SUCCESS (1U << 5) #define IORING_TIMEOUT_MULTISHOT (1U << 6) #define IORING_TIMEOUT_CLOCK_MASK (IORING_TIMEOUT_BOOTTIME | IORING_TIMEOUT_REALTIME) #define IORING_TIMEOUT_UPDATE_MASK (IORING_TIMEOUT_UPDATE | IORING_LINK_TIMEOUT_UPDATE) #define SPLICE_F_FD_IN_FIXED (1U << 31) #define IORING_POLL_ADD_MULTI (1U << 0) #define IORING_POLL_UPDATE_EVENTS (1U << 1) #define IORING_POLL_UPDATE_USER_DATA (1U << 2) #define IORING_POLL_ADD_LEVEL (1U << 3) #define IORING_ASYNC_CANCEL_ALL (1U << 0) #define IORING_ASYNC_CANCEL_FD (1U << 1) #define IORING_ASYNC_CANCEL_ANY (1U << 2) #define IORING_ASYNC_CANCEL_FD_FIXED (1U << 3) #define IORING_ASYNC_CANCEL_USERDATA (1U << 4) #define IORING_ASYNC_CANCEL_OP (1U << 5) #define IORING_RECVSEND_POLL_FIRST (1U << 0) #define IORING_RECV_MULTISHOT (1U << 1) #define IORING_RECVSEND_FIXED_BUF (1U << 2) #define IORING_SEND_ZC_REPORT_USAGE (1U << 3) #define IORING_NOTIF_USAGE_ZC_COPIED (1U << 31) #define IORING_ACCEPT_MULTISHOT (1U << 0) enum { IORING_MSG_DATA, IORING_MSG_SEND_FD, }; #define IORING_MSG_RING_CQE_SKIP (1U << 0) #define IORING_MSG_RING_FLAGS_PASS (1U << 1) #define IORING_FIXED_FD_NO_CLOEXEC (1U << 0) struct io_uring_cqe { __u64 user_data; __s32 res; __u32 flags; __u64 big_cqe[]; }; #define IORING_CQE_F_BUFFER (1U << 0) #define IORING_CQE_F_MORE (1U << 1) #define IORING_CQE_F_SOCK_NONEMPTY (1U << 2) #define IORING_CQE_F_NOTIF (1U << 3) enum { IORING_CQE_BUFFER_SHIFT = 16, }; #define IORING_OFF_SQ_RING 0ULL #define IORING_OFF_CQ_RING 0x8000000ULL #define IORING_OFF_SQES 0x10000000ULL #define IORING_OFF_PBUF_RING 0x80000000ULL #define IORING_OFF_PBUF_SHIFT 16 #define IORING_OFF_MMAP_MASK 0xf8000000ULL struct io_sqring_offsets { __u32 head; __u32 tail; __u32 ring_mask; __u32 ring_entries; __u32 flags; __u32 dropped; __u32 array; __u32 resv1; __u64 user_addr; }; #define IORING_SQ_NEED_WAKEUP (1U << 0) #define IORING_SQ_CQ_OVERFLOW (1U << 1) #define IORING_SQ_TASKRUN (1U << 2) struct io_cqring_offsets { __u32 head; __u32 tail; __u32 ring_mask; __u32 ring_entries; __u32 overflow; __u32 cqes; __u32 flags; __u32 resv1; __u64 user_addr; }; #define IORING_CQ_EVENTFD_DISABLED (1U << 0) #define IORING_ENTER_GETEVENTS (1U << 0) #define IORING_ENTER_SQ_WAKEUP (1U << 1) #define IORING_ENTER_SQ_WAIT (1U << 2) #define IORING_ENTER_EXT_ARG (1U << 3) #define IORING_ENTER_REGISTERED_RING (1U << 4) struct io_uring_params { __u32 sq_entries; __u32 cq_entries; __u32 flags; __u32 sq_thread_cpu; __u32 sq_thread_idle; __u32 features; __u32 wq_fd; __u32 resv[3]; struct io_sqring_offsets sq_off; struct io_cqring_offsets cq_off; }; #define IORING_FEAT_SINGLE_MMAP (1U << 0) #define IORING_FEAT_NODROP (1U << 1) #define IORING_FEAT_SUBMIT_STABLE (1U << 2) #define IORING_FEAT_RW_CUR_POS (1U << 3) #define IORING_FEAT_CUR_PERSONALITY (1U << 4) #define IORING_FEAT_FAST_POLL (1U << 5) #define IORING_FEAT_POLL_32BITS (1U << 6) #define IORING_FEAT_SQPOLL_NONFIXED (1U << 7) #define IORING_FEAT_EXT_ARG (1U << 8) #define IORING_FEAT_NATIVE_WORKERS (1U << 9) #define IORING_FEAT_RSRC_TAGS (1U << 10) #define IORING_FEAT_CQE_SKIP (1U << 11) #define IORING_FEAT_LINKED_FILE (1U << 12) #define IORING_FEAT_REG_REG_RING (1U << 13) enum { IORING_REGISTER_BUFFERS = 0, IORING_UNREGISTER_BUFFERS = 1, IORING_REGISTER_FILES = 2, IORING_UNREGISTER_FILES = 3, IORING_REGISTER_EVENTFD = 4, IORING_UNREGISTER_EVENTFD = 5, IORING_REGISTER_FILES_UPDATE = 6, IORING_REGISTER_EVENTFD_ASYNC = 7, IORING_REGISTER_PROBE = 8, IORING_REGISTER_PERSONALITY = 9, IORING_UNREGISTER_PERSONALITY = 10, IORING_REGISTER_RESTRICTIONS = 11, IORING_REGISTER_ENABLE_RINGS = 12, IORING_REGISTER_FILES2 = 13, IORING_REGISTER_FILES_UPDATE2 = 14, IORING_REGISTER_BUFFERS2 = 15, IORING_REGISTER_BUFFERS_UPDATE = 16, IORING_REGISTER_IOWQ_AFF = 17, IORING_UNREGISTER_IOWQ_AFF = 18, IORING_REGISTER_IOWQ_MAX_WORKERS = 19, IORING_REGISTER_RING_FDS = 20, IORING_UNREGISTER_RING_FDS = 21, IORING_REGISTER_PBUF_RING = 22, IORING_UNREGISTER_PBUF_RING = 23, IORING_REGISTER_SYNC_CANCEL = 24, IORING_REGISTER_FILE_ALLOC_RANGE = 25, IORING_REGISTER_PBUF_STATUS = 26, IORING_REGISTER_NAPI = 27, IORING_UNREGISTER_NAPI = 28, IORING_REGISTER_LAST, IORING_REGISTER_USE_REGISTERED_RING = 1U << 31 }; enum { IO_WQ_BOUND, IO_WQ_UNBOUND, }; struct io_uring_files_update { __u32 offset; __u32 resv; __aligned_u64 fds; }; #define IORING_RSRC_REGISTER_SPARSE (1U << 0) struct io_uring_rsrc_register { __u32 nr; __u32 flags; __u64 resv2; __aligned_u64 data; __aligned_u64 tags; }; struct io_uring_rsrc_update { __u32 offset; __u32 resv; __aligned_u64 data; }; struct io_uring_rsrc_update2 { __u32 offset; __u32 resv; __aligned_u64 data; __aligned_u64 tags; __u32 nr; __u32 resv2; }; #define IORING_REGISTER_FILES_SKIP (- 2) #define IO_URING_OP_SUPPORTED (1U << 0) struct io_uring_probe_op { __u8 op; __u8 resv; __u16 flags; __u32 resv2; }; struct io_uring_probe { __u8 last_op; __u8 ops_len; __u16 resv; __u32 resv2[3]; struct io_uring_probe_op ops[]; }; struct io_uring_restriction { __u16 opcode; union { __u8 register_op; __u8 sqe_op; __u8 sqe_flags; }; __u8 resv; __u32 resv2[3]; }; struct io_uring_buf { __u64 addr; __u32 len; __u16 bid; __u16 resv; }; struct io_uring_buf_ring { union { struct { __u64 resv1; __u32 resv2; __u16 resv3; __u16 tail; }; __DECLARE_FLEX_ARRAY(struct io_uring_buf, bufs); }; }; enum { IOU_PBUF_RING_MMAP = 1, }; struct io_uring_buf_reg { __u64 ring_addr; __u32 ring_entries; __u16 bgid; __u16 flags; __u64 resv[3]; }; struct io_uring_buf_status { __u32 buf_group; __u32 head; __u32 resv[8]; }; struct io_uring_napi { __u32 busy_poll_to; __u8 prefer_busy_poll; __u8 pad[3]; __u64 resv; }; enum { IORING_RESTRICTION_REGISTER_OP = 0, IORING_RESTRICTION_SQE_OP = 1, IORING_RESTRICTION_SQE_FLAGS_ALLOWED = 2, IORING_RESTRICTION_SQE_FLAGS_REQUIRED = 3, IORING_RESTRICTION_LAST }; struct io_uring_getevents_arg { __u64 sigmask; __u32 sigmask_sz; __u32 pad; __u64 ts; }; struct io_uring_sync_cancel_reg { __u64 addr; __s32 fd; __u32 flags; struct __kernel_timespec timeout; __u8 opcode; __u8 pad[7]; __u64 pad2[3]; }; struct io_uring_file_index_range { __u32 off; __u32 len; __u64 resv; }; struct io_uring_recvmsg_out { __u32 namelen; __u32 controllen; __u32 payloadlen; __u32 flags; }; enum { SOCKET_URING_OP_SIOCINQ = 0, SOCKET_URING_OP_SIOCOUTQ, SOCKET_URING_OP_GETSOCKOPT, SOCKET_URING_OP_SETSOCKOPT, }; #ifdef __cplusplus } #endif #endif