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 7D711C433F5 for ; Wed, 20 Apr 2022 19:15:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347774AbiDTTR4 (ORCPT ); Wed, 20 Apr 2022 15:17:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348276AbiDTTRw (ORCPT ); Wed, 20 Apr 2022 15:17:52 -0400 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40DED5F63 for ; Wed, 20 Apr 2022 12:15:04 -0700 (PDT) Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.16.1.2/8.16.1.2) with ESMTP id 23KILRLl008103 for ; Wed, 20 Apr 2022 12:15:03 -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=D8UZh+Hnfsy27ut7I/qypnJ++NC3lZZWR0i5T4HY0Ws=; b=Jxzv04GBFBUJilzweZWLkogGu9dY5RKd9fNgvOdku1VVIlryz6yQNMTo5OdLoz9Buh5K 4wHE1mdW6CvRSK1SYCDZNqvsFclbW3FDUcjb0BpNGRUPUMYeeJYf9lWNshZtRD58yNQu J+AG/TtxVRikvUVK+RA8yX61NwxStHB2Yvg= Received: from maileast.thefacebook.com ([163.114.130.16]) by m0001303.ppops.net (PPS) with ESMTPS id 3fj7k3dfgy-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 20 Apr 2022 12:15:03 -0700 Received: from twshared14141.02.ash7.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::f) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 20 Apr 2022 12:15:01 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 86EBEDE0C406; Wed, 20 Apr 2022 12:14:53 -0700 (PDT) From: Stefan Roesch To: , CC: , Jens Axboe Subject: [PATCH v2 01/12] io_uring: support CQE32 in io_uring_cqe Date: Wed, 20 Apr 2022 12:14:40 -0700 Message-ID: <20220420191451.2904439-2-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220420191451.2904439-1-shr@fb.com> References: <20220420191451.2904439-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: mwtF1wQq5NLV6tHTOM2Z1pee2Mjp_SYd X-Proofpoint-GUID: mwtF1wQq5NLV6tHTOM2Z1pee2Mjp_SYd 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=2022-04-20_05,2022-04-20_01,2022-02-23_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 | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.= h index ee677dbd6a6d..c0e9b5e8d20c 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, @@ -201,6 +202,11 @@ enum { #define IORING_POLL_UPDATE_EVENTS (1U << 1) #define IORING_POLL_UPDATE_USER_DATA (1U << 2) =20 +struct io_uring_cqe_extra { + __u64 extra1; + __u64 extra2; +}; + /* * IO completion data structure (Completion Queue Entry) */ @@ -208,6 +214,12 @@ 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. + */ + struct io_uring_cqe_extra b[]; }; =20 /* --=20 2.30.2