diff options
Diffstat (limited to 'include/uapi/linux/io_uring.h')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 2514eb6b1cf2..e1ae46683301 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -160,6 +160,21 @@ enum { #define SPLICE_F_FD_IN_FIXED (1U << 31) /* the last bit of __u32 */ /* + * POLL_ADD flags. Note that since sqe->poll_events is the flag space, the + * command flags for POLL_ADD are stored in sqe->len. + * + * IORING_POLL_ADD_MULTI Multishot poll. Sets IORING_CQE_F_MORE if + * the poll handler will continue to report + * CQEs on behalf of the same SQE. + * + * IORING_POLL_UPDATE Update existing poll request, matching + * sqe->addr as the old user_data field. + */ +#define IORING_POLL_ADD_MULTI (1U << 0) +#define IORING_POLL_UPDATE_EVENTS (1U << 1) +#define IORING_POLL_UPDATE_USER_DATA (1U << 2) + +/* * IO completion data structure (Completion Queue Entry) */ struct io_uring_cqe { @@ -172,8 +187,10 @@ struct io_uring_cqe { * cqe->flags * * IORING_CQE_F_BUFFER If set, the upper 16 bits are the buffer ID + * IORING_CQE_F_MORE If set, parent SQE will generate more CQE entries */ #define IORING_CQE_F_BUFFER (1U << 0) +#define IORING_CQE_F_MORE (1U << 1) enum { IORING_CQE_BUFFER_SHIFT = 16, @@ -281,6 +298,8 @@ enum { IORING_UNREGISTER_PERSONALITY = 10, IORING_REGISTER_RESTRICTIONS = 11, IORING_REGISTER_ENABLE_RINGS = 12, + IORING_REGISTER_RSRC = 13, + IORING_REGISTER_RSRC_UPDATE = 14, /* this goes last */ IORING_REGISTER_LAST @@ -293,12 +312,33 @@ struct io_uring_files_update { __aligned_u64 /* __s32 * */ fds; }; +enum { + IORING_RSRC_FILE = 0, + IORING_RSRC_BUFFER = 1, +}; + +struct io_uring_rsrc_register { + __u32 type; + __u32 nr; + __aligned_u64 data; + __aligned_u64 tags; +}; + struct io_uring_rsrc_update { __u32 offset; __u32 resv; __aligned_u64 data; }; +struct io_uring_rsrc_update2 { + __u32 offset; + __u32 resv; + __aligned_u64 data; + __aligned_u64 tags; + __u32 type; + __u32 nr; +}; + /* Skip updating fd indexes set to this value in the fd table */ #define IORING_REGISTER_FILES_SKIP (-2) |