package gouring type UringSQEFlag = uint8 const ( IOSQE_FIXED_FILE_BIT = iota IOSQE_IO_DRAIN_BIT IOSQE_IO_LINK_BIT IOSQE_TO_HARDLINK_BIT IOSQE_ASYNC_BIT IOSQE_BUFFER_SELECT_BIT IOSQE_CQE_SKIP_BIT ) const ( IOSQE_FIXED_FILE UringSQEFlag = 1 << IOSQE_FIXED_FILE_BIT IOSQE_IO_DRAIN UringSQEFlag = 1 << IOSQE_IO_DRAIN_BIT IOSQE_IO_LINK UringSQEFlag = 1 << IOSQE_IO_LINK_BIT IOSQE_TO_HARDLINK UringSQEFlag = 1 << IOSQE_TO_HARDLINK_BIT IOSQE_ASYNC UringSQEFlag = 1 << IOSQE_ASYNC_BIT IOSQE_BUFFER_SELECT UringSQEFlag = 1 << IOSQE_BUFFER_SELECT_BIT IOSQE_CQE_SKIP_SUCCESS UringSQEFlag = 1 << IOSQE_CQE_SKIP_BIT ) // // io_uring_setup() flags type UringSetupFlag = uint32 const ( IORING_SETUP_IOPOLL UringSetupFlag = 1 << iota IORING_SETUP_SQPOLL IORING_SETUP_SQ_AFF IORING_SETUP_SQSIZE IORING_SETUP_CLAMP IORING_SETUP_ATTACH_WQ IORING_SETUP_R_DISABLED ) // // uring op code type UringOpcode = uint8 const ( IORING_OP_NOP UringOpcode = iota 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 /* this goes last, obviously */ IORING_OP_LAST ) // sqe->fsync_flags const IORING_FSYNC_DATASYNC uint32 = 1 << 0 // sqe->timeout_flags const IORING_TIMEOUT_ABS uint32 = 1 << 0 // sqe->splice_flags // extends splice(2) flags const SPLICE_F_FD_IN_FIXED uint32 = 1 << 31 // // cqe->flags type UringCQEFlag = uint32 const IORING_CQE_F_BUFFER UringCQEFlag = 1 << 8 const IORING_CQE_BUFFER_SHIFT UringCQEFlag = 16 // // Magic offsets for the application to mmap the data it needs type UringOffset = int64 const ( IORING_OFF_SQ_RING UringOffset = 0 IORING_OFF_CQ_RING UringOffset = 0x8000000 IORING_OFF_SQES UringOffset = 0x10000000 ) // // sq_ring->flags type UringSQ = uint32 const ( IORING_SQ_NEED_WAKEUP UringSQ = 1 << iota // needs io_uring_enter wakeup IORING_SQ_CQ_OVERFLOW // CQ Ring is overflow ) // // cq_ring->flags type UringCQ = uint32 const IORING_CQ_EVENTFD_DISABLED = 1 << 0 // // io_uring_enter(2) flag type UringEnterFlag = uint32 const ( IORING_ENTER_GETEVENTS UringEnterFlag = 1 << iota IORING_ENTER_SQ_WAKEUP IORING_ENTER_SQ_WAIT IORING_ENTER_EXT_ARG ) // // io_uring_params->features flags type UringParamFeatureFlag = uint32 const ( IORING_FEAT_SINGLE_MMAP UringParamFeatureFlag = 1 << iota IORING_FEAT_NODROP IORING_FEAT_SUBMIT_STABLE IORING_FEAT_RW_CUR_POS IORING_FEAT_CUR_PERSONALITY IORING_FEAT_FAST_POLL IORING_FEAT_POLL_32BITS IORING_FEAT_SQPOLL_NONFIXED IORING_FEAT_EXT_ARG IORING_FEAT_NATIVE_WORKERS IORING_FEAT_RSRC_TAGS IORING_FEAT_CQE_SKIP ) // type UringRegisterOpcode = uint const ( IORING_REGISTER_BUFFERS UringRegisterOpcode = iota IORING_UREGISTER_BUFFERS IORING_REGISTER_FILES IORING_UNREGISTER_FILES IORING_REGISTER_EVENTFD IORING_UNREGISTER_EVENTFD IORING_REGISTER_FILES_UPDATE IORING_REGISTER_EVENTFD_ASYNC IORING_REGISTER_PROBE IORING_REGISTER_PERSONALITY IORING_UNREGISTER_PERSONALITY IORING_REGISTER_RESTRICTIONS IORING_REGISTER_ENABLE_RINGS /* extended with tagging */ IORING_REGISTER_FILES2 IORING_REGISTER_FILES_UPDATE2 IORING_REGISTER_BUFFERS2 IORING_REGISTER_BUFFERS_UPDATE /* set/clear io-wq thread affinities */ IORING_REGISTER_IOWQ_AFF IORING_UNREGISTER_IOWQ_AFF /* set/get max number of io-wq affinities */ IORING_REGISTER_IOWQ_MAX_WORKERS // BPF soon // /* this goes last */ IORING_REGISTER_LAST ) // const IO_URING_OP_SUPPORTED = 1 << 0 // // io_uring_restriction->opcode values type UringRestrictionOpcode = uint32 const ( IORING_RESTRICTION_REGISTER_OP UringRestrictionOpcode = iota IORING_RESTRICTION_SQE_OP IORING_RESTRICTION_SQE_FLAGS_ALLOWED IORINGN_RESTRICTION_SQE_FLAGS_REQUIRED IORING_RESTRICTION_LAST )