From 99f15d8d61364299ae780cc739c74068a6d2538d Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 25 May 2022 05:59:19 -0600 Subject: io_uring: move uring_cmd handling to its own file Signed-off-by: Jens Axboe --- io_uring/uring_cmd.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 io_uring/uring_cmd.h (limited to 'io_uring/uring_cmd.h') diff --git a/io_uring/uring_cmd.h b/io_uring/uring_cmd.h new file mode 100644 index 000000000000..7c6697d13cb2 --- /dev/null +++ b/io_uring/uring_cmd.h @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags); +int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); +int io_uring_cmd_prep_async(struct io_kiocb *req); + +/* + * The URING_CMD payload starts at 'cmd' in the first sqe, and continues into + * the following sqe if SQE128 is used. + */ +#define uring_cmd_pdu_size(is_sqe128) \ + ((1 + !!(is_sqe128)) * sizeof(struct io_uring_sqe) - \ + offsetof(struct io_uring_sqe, cmd)) -- cgit v1.2.3-70-g09d2