diff options
Diffstat (limited to 'src/io_uring.h')
| -rw-r--r-- | src/io_uring.h | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/io_uring.h b/src/io_uring.h index b07bbbb..613930d 100644 --- a/src/io_uring.h +++ b/src/io_uring.h @@ -29,25 +29,27 @@ struct io_uring_sqe { __kernel_rwf_t rw_flags; __u32 __resv; }; - __u16 index; /* index into fixed buffers, if used */ + __u16 buf_index; /* index into fixed buffers, if used */ __u16 __pad2[3]; __u64 data; /* data to be passed back at completion time */ }; /* + * sqe->flags + */ +#define IOSQE_FIXED_BUFFER (1 << 0) /* use fixed buffer */ + +/* * io_uring_setup() flags */ #define IORING_SETUP_IOPOLL (1 << 0) /* io_context is polled */ -#define IORING_SETUP_SQTHREAD (1 << 1) /* Use SQ thread */ -#define IORING_SETUP_SQWQ (1 << 2) /* Use SQ workqueue */ -#define IORING_SETUP_SQPOLL (1 << 3) /* SQ thread polls */ +#define IORING_SETUP_SQPOLL (1 << 1) /* SQ poll thread */ +#define IORING_SETUP_SQ_AFF (1 << 2) /* sq_thread_cpu is valid */ #define IORING_OP_READV 1 #define IORING_OP_WRITEV 2 #define IORING_OP_FSYNC 3 #define IORING_OP_FDSYNC 4 -#define IORING_OP_READ_FIXED 5 -#define IORING_OP_WRITE_FIXED 6 /* * IO completion data structure (Completion Queue Entry) @@ -114,4 +116,15 @@ struct io_uring_params { struct io_cqring_offsets cq_off; }; +/* + * io_uring_register(2) opcodes and arguments + */ +#define IORING_REGISTER_BUFFERS 0 +#define IORING_UNREGISTER_BUFFERS 1 + +struct io_uring_register_buffers { + struct iovec *iovecs; + unsigned nr_iovecs; +}; + #endif |