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| author | Jens Axboe <axboe@kernel.dk> | 2025-08-07 14:08:14 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-08-24 11:41:12 -0600 |
| commit | b69458735d826f0676585623d028a0fd474f3e4f (patch) | |
| tree | 17f2d2ad1c4581ac0811c943be1de4305de0b907 | |
| parent | d0201c4436c53412146d526855c585fa9d54ca13 (diff) | |
| download | linux-b69458735d826f0676585623d028a0fd474f3e4f.tar.gz linux-b69458735d826f0676585623d028a0fd474f3e4f.tar.bz2 linux-b69458735d826f0676585623d028a0fd474f3e4f.zip | |
io_uring: add UAPI definitions for mixed CQE postings
This adds the CQE flags related to supporting a mixed CQ ring mode, where
both normal (16b) and big (32b) CQEs may be posted.
No functional changes in this patch.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | include/uapi/linux/io_uring.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 1e935f8901c5..7af8d10b3aba 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -491,12 +491,22 @@ struct io_uring_cqe { * other provided buffer type, all completions with a * buffer passed back is automatically returned to the * application. + * IORING_CQE_F_SKIP If set, then the application/liburing must ignore this + * CQE. It's only purpose is to fill a gap in the ring, + * if a large CQE is attempted posted when the ring has + * just a single small CQE worth of space left before + * wrapping. + * IORING_CQE_F_32 If set, this is a 32b/big-cqe posting. Use with rings + * setup in a mixed CQE mode, where both 16b and 32b + * CQEs may be posted to the CQ ring. */ #define IORING_CQE_F_BUFFER (1U << 0) #define IORING_CQE_F_MORE (1U << 1) #define IORING_CQE_F_SOCK_NONEMPTY (1U << 2) #define IORING_CQE_F_NOTIF (1U << 3) #define IORING_CQE_F_BUF_MORE (1U << 4) +#define IORING_CQE_F_SKIP (1U << 5) +#define IORING_CQE_F_32 (1U << 15) #define IORING_CQE_BUFFER_SHIFT 16 |