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260 lines
6.4 KiB
260 lines
6.4 KiB
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef LINUX_IO_URING_H
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#define LINUX_IO_URING_H
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#include <linux/fs.h>
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#include <linux/types.h>
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struct io_uring_sqe {
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__u8 opcode;
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__u8 flags;
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__u16 ioprio;
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__s32 fd;
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union {
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__u64 off;
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__u64 addr2;
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};
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union {
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__u64 addr;
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__u64 splice_off_in;
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};
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__u32 len;
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union {
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__kernel_rwf_t rw_flags;
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__u32 fsync_flags;
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__u16 poll_events;
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__u32 poll32_events;
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__u32 sync_range_flags;
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__u32 msg_flags;
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__u32 timeout_flags;
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__u32 accept_flags;
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__u32 cancel_flags;
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__u32 open_flags;
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__u32 statx_flags;
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__u32 fadvise_advice;
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__u32 splice_flags;
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__u32 rename_flags;
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__u32 unlink_flags;
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};
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__u64 user_data;
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union {
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struct {
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union {
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__u16 buf_index;
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__u16 buf_group;
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} __attribute__((packed));
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__u16 personality;
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__s32 splice_fd_in;
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};
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__u64 __pad2[3];
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};
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};
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enum {
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IOSQE_FIXED_FILE_BIT,
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IOSQE_IO_DRAIN_BIT,
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IOSQE_IO_LINK_BIT,
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IOSQE_IO_HARDLINK_BIT,
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IOSQE_ASYNC_BIT,
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IOSQE_BUFFER_SELECT_BIT,
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};
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#define IOSQE_FIXED_FILE (1U << IOSQE_FIXED_FILE_BIT)
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#define IOSQE_IO_DRAIN (1U << IOSQE_IO_DRAIN_BIT)
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#define IOSQE_IO_LINK (1U << IOSQE_IO_LINK_BIT)
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#define IOSQE_IO_HARDLINK (1U << IOSQE_IO_HARDLINK_BIT)
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#define IOSQE_ASYNC (1U << IOSQE_ASYNC_BIT)
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#define IOSQE_BUFFER_SELECT (1U << IOSQE_BUFFER_SELECT_BIT)
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#define IORING_SETUP_IOPOLL (1U << 0)
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#define IORING_SETUP_SQPOLL (1U << 1)
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#define IORING_SETUP_SQ_AFF (1U << 2)
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#define IORING_SETUP_CQSIZE (1U << 3)
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#define IORING_SETUP_CLAMP (1U << 4)
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#define IORING_SETUP_ATTACH_WQ (1U << 5)
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#define IORING_SETUP_R_DISABLED (1U << 6)
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enum {
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IORING_OP_NOP,
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IORING_OP_READV,
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IORING_OP_WRITEV,
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IORING_OP_FSYNC,
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IORING_OP_READ_FIXED,
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IORING_OP_WRITE_FIXED,
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IORING_OP_POLL_ADD,
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IORING_OP_POLL_REMOVE,
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IORING_OP_SYNC_FILE_RANGE,
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IORING_OP_SENDMSG,
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IORING_OP_RECVMSG,
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IORING_OP_TIMEOUT,
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IORING_OP_TIMEOUT_REMOVE,
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IORING_OP_ACCEPT,
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IORING_OP_ASYNC_CANCEL,
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IORING_OP_LINK_TIMEOUT,
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IORING_OP_CONNECT,
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IORING_OP_FALLOCATE,
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IORING_OP_OPENAT,
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IORING_OP_CLOSE,
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IORING_OP_FILES_UPDATE,
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IORING_OP_STATX,
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IORING_OP_READ,
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IORING_OP_WRITE,
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IORING_OP_FADVISE,
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IORING_OP_MADVISE,
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IORING_OP_SEND,
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IORING_OP_RECV,
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IORING_OP_OPENAT2,
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IORING_OP_EPOLL_CTL,
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IORING_OP_SPLICE,
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IORING_OP_PROVIDE_BUFFERS,
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IORING_OP_REMOVE_BUFFERS,
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IORING_OP_TEE,
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IORING_OP_SHUTDOWN,
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IORING_OP_RENAMEAT,
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IORING_OP_UNLINKAT,
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IORING_OP_LAST,
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};
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#define IORING_FSYNC_DATASYNC (1U << 0)
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#define IORING_TIMEOUT_ABS (1U << 0)
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#define IORING_TIMEOUT_UPDATE (1U << 1)
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#define SPLICE_F_FD_IN_FIXED (1U << 31)
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struct io_uring_cqe {
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__u64 user_data;
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__s32 res;
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__u32 flags;
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};
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#define IORING_CQE_F_BUFFER (1U << 0)
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enum {
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IORING_CQE_BUFFER_SHIFT = 16,
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};
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#define IORING_OFF_SQ_RING 0ULL
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#define IORING_OFF_CQ_RING 0x8000000ULL
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#define IORING_OFF_SQES 0x10000000ULL
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struct io_sqring_offsets {
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__u32 head;
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__u32 tail;
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__u32 ring_mask;
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__u32 ring_entries;
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__u32 flags;
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__u32 dropped;
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__u32 array;
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__u32 resv1;
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__u64 resv2;
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};
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#define IORING_SQ_NEED_WAKEUP (1U << 0)
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#define IORING_SQ_CQ_OVERFLOW (1U << 1)
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struct io_cqring_offsets {
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__u32 head;
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__u32 tail;
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__u32 ring_mask;
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__u32 ring_entries;
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__u32 overflow;
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__u32 cqes;
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__u32 flags;
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__u32 resv1;
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__u64 resv2;
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};
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#define IORING_CQ_EVENTFD_DISABLED (1U << 0)
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#define IORING_ENTER_GETEVENTS (1U << 0)
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#define IORING_ENTER_SQ_WAKEUP (1U << 1)
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#define IORING_ENTER_SQ_WAIT (1U << 2)
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#define IORING_ENTER_EXT_ARG (1U << 3)
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struct io_uring_params {
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__u32 sq_entries;
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__u32 cq_entries;
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__u32 flags;
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__u32 sq_thread_cpu;
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__u32 sq_thread_idle;
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__u32 features;
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__u32 wq_fd;
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__u32 resv[3];
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struct io_sqring_offsets sq_off;
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struct io_cqring_offsets cq_off;
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};
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#define IORING_FEAT_SINGLE_MMAP (1U << 0)
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#define IORING_FEAT_NODROP (1U << 1)
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#define IORING_FEAT_SUBMIT_STABLE (1U << 2)
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#define IORING_FEAT_RW_CUR_POS (1U << 3)
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#define IORING_FEAT_CUR_PERSONALITY (1U << 4)
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#define IORING_FEAT_FAST_POLL (1U << 5)
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#define IORING_FEAT_POLL_32BITS (1U << 6)
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#define IORING_FEAT_SQPOLL_NONFIXED (1U << 7)
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#define IORING_FEAT_EXT_ARG (1U << 8)
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#define IORING_FEAT_NATIVE_WORKERS (1U << 9)
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enum {
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IORING_REGISTER_BUFFERS = 0,
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IORING_UNREGISTER_BUFFERS = 1,
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IORING_REGISTER_FILES = 2,
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IORING_UNREGISTER_FILES = 3,
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IORING_REGISTER_EVENTFD = 4,
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IORING_UNREGISTER_EVENTFD = 5,
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IORING_REGISTER_FILES_UPDATE = 6,
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IORING_REGISTER_EVENTFD_ASYNC = 7,
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IORING_REGISTER_PROBE = 8,
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IORING_REGISTER_PERSONALITY = 9,
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IORING_UNREGISTER_PERSONALITY = 10,
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IORING_REGISTER_RESTRICTIONS = 11,
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IORING_REGISTER_ENABLE_RINGS = 12,
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IORING_REGISTER_LAST
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};
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struct io_uring_files_update {
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__u32 offset;
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__u32 resv;
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__aligned_u64 fds;
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};
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struct io_uring_rsrc_update {
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__u32 offset;
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__u32 resv;
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__aligned_u64 data;
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};
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#define IORING_REGISTER_FILES_SKIP (- 2)
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#define IO_URING_OP_SUPPORTED (1U << 0)
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struct io_uring_probe_op {
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__u8 op;
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__u8 resv;
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__u16 flags;
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__u32 resv2;
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};
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struct io_uring_probe {
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__u8 last_op;
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__u8 ops_len;
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__u16 resv;
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__u32 resv2[3];
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struct io_uring_probe_op ops[0];
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};
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struct io_uring_restriction {
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__u16 opcode;
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union {
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__u8 register_op;
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__u8 sqe_op;
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__u8 sqe_flags;
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};
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__u8 resv;
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__u32 resv2[3];
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};
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enum {
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IORING_RESTRICTION_REGISTER_OP = 0,
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IORING_RESTRICTION_SQE_OP = 1,
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IORING_RESTRICTION_SQE_FLAGS_ALLOWED = 2,
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IORING_RESTRICTION_SQE_FLAGS_REQUIRED = 3,
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IORING_RESTRICTION_LAST
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};
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struct io_uring_getevents_arg {
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__u64 sigmask;
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__u32 sigmask_sz;
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__u32 pad;
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__u64 ts;
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};
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#endif
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