linux-kernel - [PATCH for-next 7/8] io_uring: add IORING_RECV

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220628150228.1379645-8-dylany@fb.com>
Date:   Tue, 28 Jun 2022 08:02:27 -0700
From:   Dylan Yudaken <dylany@...com>
To:     Jens Axboe <axboe@...nel.dk>,
        Pavel Begunkov <asml.silence@...il.com>,
        <io-uring@...r.kernel.org>
CC:     <Kernel-team@...com>, <linux-kernel@...r.kernel.org>,
        Dylan Yudaken <dylany@...com>
Subject: [PATCH for-next 7/8] io_uring: add IORING_RECV_MULTISHOT flag

Introduce multishot recv flag which will be used for multishot
recv/recvmsg

Signed-off-by: Dylan Yudaken <dylany@...com>
---
 include/uapi/linux/io_uring.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 09e7c3b13d2d..1e5bdb323184 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -259,8 +259,13 @@ enum io_uring_op {
  *				or receive and arm poll if that yields an
  *				-EAGAIN result, arm poll upfront and skip
  *				the initial transfer attempt.
+ *
+ * IORING_RECV_MULTISHOT	Multishot recv. Sets IORING_CQE_F_MORE if
+ *				the handler will continue to report
+ *				CQEs on behalf of the same SQE.
  */
 #define IORING_RECVSEND_POLL_FIRST	(1U << 0)
+#define IORING_RECV_MULTISHOT	(1U << 1)
 
 /*
  * accept flags stored in sqe->ioprio
-- 
2.30.2