diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 909fb7aea638..b456f45fa8de 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -121,14 +121,15 @@ struct io_uring_sqe { /* sqe->attr_type_mask flags */ #define IORING_RW_ATTR_FLAG_PI (1U << 0) -/* PI attribute information */ + +/* PI attribute information in sqe->attr_ptr for IORING_RW_ATTR_FLAG_PI: */ struct io_uring_attr_pi { - __u16 flags; - __u16 app_tag; - __u32 len; - __u64 addr; - __u64 seed; - __u64 rsvd; + __u16 flags; + __u16 app_tag; + __u32 len; + __u64 addr; + __u64 seed; + __u64 rsvd; }; /* @@ -790,13 +791,42 @@ struct io_uring_rsrc_update { struct io_uring_rsrc_update2 { __u32 offset; - __u32 resv; + __u32 flags; __aligned_u64 data; __aligned_u64 tags; __u32 nr; __u32 resv2; }; +/* struct io_uring_rsrc_update2::flags */ +enum io_uring_rsrc_reg_flags { + /* + * Use the extended descriptor format for buffer updates, + * see struct io_uring_regbuf_desc + */ + IORING_RSRC_UPDATE_EXTENDED = 1U << 1, +}; + +/* Buffer registration type, passed in struct io_uring_regbuf_desc::type */ +enum io_uring_regbuf_type { + IO_REGBUF_TYPE_EMPTY, + IO_REGBUF_TYPE_UADDR, + IO_REGBUF_TYPE_DMABUF, + + __IO_REGBUF_TYPE_MAX, +}; + +struct io_uring_regbuf_desc { + __u32 type; /* enum io_uring_regbuf_type */ + __u32 flags; + __u64 size; + __u64 uaddr; + + __s32 dmabuf_fd; + __s32 target_fd; + __u64 __resv[6]; +}; + /* Skip updating fd indexes set to this value in the fd table */ #define IORING_REGISTER_FILES_SKIP (-2) |