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 BAA07C433FE for ; Tue, 19 Apr 2022 20:56:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357849AbiDSU7b (ORCPT ); Tue, 19 Apr 2022 16:59:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346200AbiDSU72 (ORCPT ); Tue, 19 Apr 2022 16:59:28 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1974B41608 for ; Tue, 19 Apr 2022 13:56:45 -0700 (PDT) Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 23JGdq7q024304 for ; Tue, 19 Apr 2022 13:56:44 -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=uHOwnhLPxHsRlsXGEKmmVD1W23AZifub6K/fzmZlgb8=; b=l5T40C3o1yHWc2NmI7ygwiuir+pzlOSN6v9Z2glsECTghDeTjXbPGbLe75mUQdIkBMrr gFGnubWYU9ZKHrcBLlr4IgbMMncdi/blo4xEaP1OE+enF+CZOhwZjoe72Gvcvr6OWs8z 3MrHO5ecqrFhad+qBnANGef+OnVj83nsiqE= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fhn4vnqs5-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 19 Apr 2022 13:56:44 -0700 Received: from twshared4937.07.ash9.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 19 Apr 2022 13:56:43 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id E2568DD45FDD; Tue, 19 Apr 2022 13:56:35 -0700 (PDT) From: Stefan Roesch To: , CC: , Jens Axboe Subject: [PATCH v1 01/11] io_uring: support CQE32 in io_uring_cqe Date: Tue, 19 Apr 2022 13:56:14 -0700 Message-ID: <20220419205624.1546079-2-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220419205624.1546079-1-shr@fb.com> References: <20220419205624.1546079-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: iFyAeNQINABqAWQFWQ3MncpDpRwYoZLR X-Proofpoint-ORIG-GUID: iFyAeNQINABqAWQFWQ3MncpDpRwYoZLR 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=2022-04-19_08,2022-04-15_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..6f9f9b6a9d15 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[0]; }; =20 /* --=20 2.30.2