diff options
Diffstat (limited to 'include/uapi/linux/io_uring.h')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index bc34a57a660b..9b263d9b24e6 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -66,6 +66,7 @@ enum { IOSQE_IO_LINK_BIT, IOSQE_IO_HARDLINK_BIT, IOSQE_ASYNC_BIT, + IOSQE_BUFFER_SELECT_BIT, }; /* @@ -81,6 +82,8 @@ enum { #define IOSQE_IO_HARDLINK (1U << IOSQE_IO_HARDLINK_BIT) /* always go async */ #define IOSQE_ASYNC (1U << IOSQE_ASYNC_BIT) +/* select buffer from sqe->buf_group */ +#define IOSQE_BUFFER_SELECT (1U << IOSQE_BUFFER_SELECT_BIT) /* * io_uring_setup() flags @@ -156,6 +159,17 @@ struct io_uring_cqe { }; /* + * cqe->flags + * + * IORING_CQE_F_BUFFER If set, the upper 16 bits are the buffer ID + */ +#define IORING_CQE_F_BUFFER (1U << 0) + +enum { + IORING_CQE_BUFFER_SHIFT = 16, +}; + +/* * Magic offsets for the application to mmap the data it needs */ #define IORING_OFF_SQ_RING 0ULL |