| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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; |
| __u64 off; |
| __u64 addr; |
| __u32 len; |
| union { |
| __kernel_rwf_t rw_flags; |
| __u32 fsync_flags; |
| __u16 poll_events; |
| __u32 sync_range_flags; |
| __u32 msg_flags; |
| }; |
| __u64 user_data; |
| union { |
| __u16 buf_index; |
| __u64 __pad2[3]; |
| }; |
| }; |
| #define IOSQE_FIXED_FILE (1U << 0) |
| #define IOSQE_IO_DRAIN (1U << 1) |
| #define IOSQE_IO_LINK (1U << 2) |
| #define IORING_SETUP_IOPOLL (1U << 0) |
| #define IORING_SETUP_SQPOLL (1U << 1) |
| #define IORING_SETUP_SQ_AFF (1U << 2) |
| #define IORING_OP_NOP 0 |
| #define IORING_OP_READV 1 |
| #define IORING_OP_WRITEV 2 |
| #define IORING_OP_FSYNC 3 |
| #define IORING_OP_READ_FIXED 4 |
| #define IORING_OP_WRITE_FIXED 5 |
| #define IORING_OP_POLL_ADD 6 |
| #define IORING_OP_POLL_REMOVE 7 |
| #define IORING_OP_SYNC_FILE_RANGE 8 |
| #define IORING_OP_SENDMSG 9 |
| #define IORING_OP_RECVMSG 10 |
| #define IORING_FSYNC_DATASYNC (1U << 0) |
| struct io_uring_cqe { |
| __u64 user_data; |
| __s32 res; |
| __u32 flags; |
| }; |
| #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 resv[5]; |
| struct io_sqring_offsets sq_off; |
| struct io_cqring_offsets cq_off; |
| }; |
| #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 |
| #endif |