From patchwork Tue Jun 28 15:02:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dylan Yudaken X-Patchwork-Id: 12898422 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A299C43334 for ; Tue, 28 Jun 2022 15:02:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347696AbiF1PC5 (ORCPT ); Tue, 28 Jun 2022 11:02:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347694AbiF1PCy (ORCPT ); Tue, 28 Jun 2022 11:02:54 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1B9B33E9F for ; Tue, 28 Jun 2022 08:02:53 -0700 (PDT) Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25SEdFhO030169 for ; Tue, 28 Jun 2022 08:02:52 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=GhUO5GqGv+DbKPtClNBIaCznVrmxio+cvLQXkR92xOo=; b=P7Zo9DXOH/pSsHHphilUequlMJmNVXTEOODghSi9E/AM2iAY0D/2jtx4h01a+fyRzOZ0 tiEFWtulHfEsPcW27dlvVSOzKSPwsRrz2M3ZJlRKjMMUtMD60rRTBwyMJe+IQYxynlyt EeWEJ+qs9GC8lnCWML3ZY8P5GNSYg/X6tUM= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3h03kf05qx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 28 Jun 2022 08:02:52 -0700 Received: from twshared17349.03.ash7.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::e) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 28 Jun 2022 08:02:51 -0700 Received: by devbig038.lla2.facebook.com (Postfix, from userid 572232) id 10BBC244BBD9; Tue, 28 Jun 2022 08:02:38 -0700 (PDT) From: Dylan Yudaken To: Jens Axboe , Pavel Begunkov , CC: , , Dylan Yudaken Subject: [PATCH for-next 7/8] io_uring: add IORING_RECV_MULTISHOT flag Date: Tue, 28 Jun 2022 08:02:27 -0700 Message-ID: <20220628150228.1379645-8-dylany@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220628150228.1379645-1-dylany@fb.com> References: <20220628150228.1379645-1-dylany@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-GUID: ZGubI1Skm2MdgQsk4hBtCHz3ztXYZIO8 X-Proofpoint-ORIG-GUID: ZGubI1Skm2MdgQsk4hBtCHz3ztXYZIO8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-06-28_07,2022-06-28_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Introduce multishot recv flag which will be used for multishot recv/recvmsg Signed-off-by: Dylan Yudaken --- 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