/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef LINUX_IO_URING_H #define LINUX_IO_URING_H #include #include struct io_uring_sqe { __u8 opcode; __u8 flags; __u16 ioprio; __s32 fd; union { __u64 off; __u64 addr2; }; union { __u64 addr; __u64 splice_off_in; }; __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; }; __u64 user_data; union { struct { union { __u16 buf_index; __u16 buf_group; } __attribute__((packed)); __u16 personality; __s32 splice_fd_in; }; __u64 __pad2[3]; }; }; enum { IOSQE_FIXED_FILE_BIT, IOSQE_IO_DRAIN_BIT, IOSQE_IO_LINK_BIT, IOSQE_IO_HARDLINK_BIT, IOSQE_ASYNC_BIT, IOSQE_BUFFER_SELECT_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 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) enum { 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_LAST, }; #define IORING_FSYNC_DATASYNC (1U << 0) #define IORING_TIMEOUT_ABS (1U << 0) #define IORING_TIMEOUT_UPDATE (1U << 1) #define SPLICE_F_FD_IN_FIXED (1U << 31) struct io_uring_cqe { __u64 user_data; __s32 res; __u32 flags; }; #define IORING_CQE_F_BUFFER (1U << 0) enum { IORING_CQE_BUFFER_SHIFT = 16, }; #define IORING_OFF_SQ_RING 0ULL #define IORING_OFF_CQ_RING 0x8000000ULL #define IORING_OFF_SQES 0x10000000ULL struct io_sqring_offsets { __u32 head; __u32 tail; __u32 ring_mask; __u32 ring_entries; __u32 flags; __u32 dropped; __u32 array; __u32 resv1; __u64 resv2; }; #define IORING_SQ_NEED_WAKEUP (1U << 0) #define IORING_SQ_CQ_OVERFLOW (1U << 1) struct io_cqring_offsets { __u32 head; __u32 tail; __u32 ring_mask; __u32 ring_entries; __u32 overflow; __u32 cqes; __u32 flags; __u32 resv1; __u64 resv2; }; #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) 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) 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_LAST }; struct io_uring_files_update { __u32 offset; __u32 resv; __aligned_u64 fds; }; struct io_uring_rsrc_update { __u32 offset; __u32 resv; __aligned_u64 data; }; #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[0]; }; struct io_uring_restriction { __u16 opcode; union { __u8 register_op; __u8 sqe_op; __u8 sqe_flags; }; __u8 resv; __u32 resv2[3]; }; 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; }; #endif