From mboxrd@z Thu Jan 1 00:00:00 1970 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 3CE8CC433EF for ; Mon, 25 Apr 2022 18:26:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244395AbiDYS3F (ORCPT ); Mon, 25 Apr 2022 14:29:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244388AbiDYS27 (ORCPT ); Mon, 25 Apr 2022 14:28:59 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 322021C934 for ; Mon, 25 Apr 2022 11:25:55 -0700 (PDT) Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23PHP6G0006698 for ; Mon, 25 Apr 2022 11:25:54 -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=gs8OHdBXvAolx3D94a0w0B3walN7NY6nk0IyHf9PuKo=; b=KDsEs5LorAiQy20dA245pO6g4Ag3kON2swIQ3wST5URIeh6AOQQhHdpGSavycWOotOXE RXKk70L7iZygcMt+2v9fp6RViD2SAUCezMNnxvVoNB1xydgfqpGVhJ6I7TPpH7bfEFpy SB1Ex4ujHYUqCSC79etdTAQLu9J4BhshNcs= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fmdgfvd4j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 25 Apr 2022 11:25:54 -0700 Received: from twshared14141.02.ash7.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:11d::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 25 Apr 2022 11:25:45 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 1DDA6E1F2A55; Mon, 25 Apr 2022 11:25:41 -0700 (PDT) From: Stefan Roesch To: , , CC: , , Jens Axboe Subject: [PATCH v3 01/12] io_uring: support CQE32 in io_uring_cqe Date: Mon, 25 Apr 2022 11:25:19 -0700 Message-ID: <20220425182530.2442911-2-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220425182530.2442911-1-shr@fb.com> References: <20220425182530.2442911-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: UPkW-18t1nLWWLN7dId6cVGQPkfyBua8 X-Proofpoint-GUID: UPkW-18t1nLWWLN7dId6cVGQPkfyBua8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-25_10,2022-04-25_03,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This adds the struct io_uring_cqe_extra in the structure io_uring_cqe to support large CQE's. Co-developed-by: Jens Axboe Signed-off-by: Stefan Roesch Signed-off-by: Jens Axboe --- include/uapi/linux/io_uring.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.= h index ee677dbd6a6d..7020a434e3b1 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -111,6 +111,7 @@ enum { #define IORING_SETUP_R_DISABLED (1U << 6) /* start with ring disabled */ #define IORING_SETUP_SUBMIT_ALL (1U << 7) /* continue submit on error */ #define IORING_SETUP_SQE128 (1U << 8) /* SQEs are 128b */ +#define IORING_SETUP_CQE32 (1U << 9) /* CQEs are 32b */ =20 enum { IORING_OP_NOP, @@ -208,6 +209,12 @@ struct io_uring_cqe { __u64 user_data; /* sqe->data submission passed back */ __s32 res; /* result code for this event */ __u32 flags; + + /* + * If the ring is initialized with IORING_SETUP_CQE32, then this field + * contains 16-bytes of padding, doubling the size of the CQE. + */ + __u64 big_cqe[]; }; =20 /* --=20 2.30.2