| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 <linux/fs.h> |
| #include <linux/types.h> |
| 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 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; |
| }; |
| __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) |
| 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_LAST, |
| }; |
| #define IORING_FSYNC_DATASYNC (1U << 0) |
| #define IORING_TIMEOUT_ABS (1U << 0) |
| #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) |
| struct io_cqring_offsets { |
| __u32 head; |
| __u32 tail; |
| __u32 ring_mask; |
| __u32 ring_entries; |
| __u32 overflow; |
| __u32 cqes; |
| __u64 resv[2]; |
| }; |
| #define IORING_ENTER_GETEVENTS (1U << 0) |
| #define IORING_ENTER_SQ_WAKEUP (1U << 1) |
| 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_REGISTER_BUFFERS 0 |
| #define IORING_UNREGISTER_BUFFERS 1 |
| #define IORING_REGISTER_FILES 2 |
| #define IORING_UNREGISTER_FILES 3 |
| #define IORING_REGISTER_EVENTFD 4 |
| #define IORING_UNREGISTER_EVENTFD 5 |
| #define IORING_REGISTER_FILES_UPDATE 6 |
| #define IORING_REGISTER_EVENTFD_ASYNC 7 |
| #define IORING_REGISTER_PROBE 8 |
| #define IORING_REGISTER_PERSONALITY 9 |
| #define IORING_UNREGISTER_PERSONALITY 10 |
| struct io_uring_files_update { |
| __u32 offset; |
| __u32 resv; |
| __aligned_u64 fds; |
| }; |
| #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]; |
| }; |
| #endif |
