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 69DEDC4332F for ; Tue, 19 Apr 2022 20:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357872AbiDSVBT (ORCPT ); Tue, 19 Apr 2022 17:01:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357873AbiDSVBS (ORCPT ); Tue, 19 Apr 2022 17:01:18 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12A4741FAB for ; Tue, 19 Apr 2022 13:58:33 -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 23JGdrc3024365 for ; Tue, 19 Apr 2022 13:58:32 -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=8jpRy6kQLcIknbafc+SAIFA+Mi9hT3ioVifoU7ntq7I=; b=fj/1PvBMb44JkKsoqvoC0+QXf+O8wNEwXg9firV8cvId2YSNF+BwJA6Hyec69PjYaArq gxMnYiBemhw3VF0b7y+5HjK5Hshn1cZpe6+lHBFzi1svLqi35y9cyqrAyxBWwPmQnOCa 1IOTVhWHxfNlgJ2ZsGnGnPLN6UmQGp9xZFs= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fhn4vnr6p-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 19 Apr 2022 13:58:32 -0700 Received: from twshared10896.25.frc3.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 13:58:31 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 4D6B5DD46116; Tue, 19 Apr 2022 13:58:26 -0700 (PDT) From: Stefan Roesch To: , CC: Subject: [PATCH v1 1/6] liburing: Update io_uring.h with large CQE kernel changes Date: Tue, 19 Apr 2022 13:58:12 -0700 Message-ID: <20220419205817.1551377-2-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220419205817.1551377-1-shr@fb.com> References: <20220419205817.1551377-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: FJRC_Q5P7wTu_WVyEtf2QIaiJXSeDArx X-Proofpoint-ORIG-GUID: FJRC_Q5P7wTu_WVyEtf2QIaiJXSeDArx 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 updates the io_uring.h file with the changes in the kernel. Signed-off-by: Stefan Roesch --- src/include/liburing/io_uring.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_ur= ing.h index a38a45b..32cb4bf 100644 --- a/src/include/liburing/io_uring.h +++ b/src/include/liburing/io_uring.h @@ -113,6 +113,7 @@ 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, @@ -198,6 +199,12 @@ enum { #define IORING_POLL_UPDATE_EVENTS (1U << 1) #define IORING_POLL_UPDATE_USER_DATA (1U << 2) =20 +/* Extra padding for large CQEs. */ +struct io_uring_cqe_extra { + __u64 extra1; + __u64 extra2; +}; + /* * IO completion data structure (Completion Queue Entry) */ @@ -205,6 +212,12 @@ 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 wit IORING_SETUP_CQE32, then this field + * contains 16-bytes of padding, doubling the size fo the CQE. + */ + struct io_uring_cqe_extra b[0]; }; =20 /* --=20 2.30.2