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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99C57C433EF for ; Tue, 26 Apr 2022 18:28:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jmkHh/i4uZeHbZmpAKg64jisvPxACaXJJmozZ8mdyuU=; b=tTbI54IzZdAdkxQWcvMv3gMM23 Q6kwvYqUb69BCiOHQFPzOl3Ml0C6yJANZy9eJJoVEK2XISmel2Qk28Gn9bsA2zFrY5hfBMbfytex1 x51Zoj8rrgKeCo7QEeCgbC3pSv5ArI8OH/qBIAknCOBt7khrXzY7ncmPhXHkH950qJqJsyP0+tlB2 EB2mqgFqQohtdmXN/pfF95cGZRxq3gLZRZacf4DMDiyq+a0ze6huR1NZCy6RHTRxwek7CpExCHYAL EfakPKrf/FokUmLMNf803Xglz19pOjuzaKfgLjCv+Donah8g1LwGYsAVomshgG2mx9L6GQPYCBMUc AsgM9ZNQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njPv8-00FiYU-5w; Tue, 26 Apr 2022 18:28:18 +0000 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1njPoq-00FfZx-8y for linux-nvme@lists.infradead.org; Tue, 26 Apr 2022 18:21:51 +0000 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 23QGQSgA025238 for ; Tue, 26 Apr 2022 11:21:45 -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=jmkHh/i4uZeHbZmpAKg64jisvPxACaXJJmozZ8mdyuU=; b=HyLcUEoknysznSJYVW4tmcFThBza1UpOfPszofPMrZYv/qwkLN7GGRYAvD5zVf4ZvMAR 2VGXeNEGPB8tMp76dBnS4tN9EluFGTN+VQ/el9ODikUS5amlClzruIDWQLrhLYKv2iv4 7dHpv/ggVUfOsqikYqsS8AbTWc/oCetMEsc= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3fpbk8c3vn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 26 Apr 2022 11:21:44 -0700 Received: from twshared6486.05.ash9.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c085:11d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 11:21:44 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 45941E2E568E; Tue, 26 Apr 2022 11:21:36 -0700 (PDT) From: Stefan Roesch To: , , CC: , , Jens Axboe Subject: [PATCH v4 01/12] io_uring: support CQE32 in io_uring_cqe Date: Tue, 26 Apr 2022 11:21:23 -0700 Message-ID: <20220426182134.136504-2-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220426182134.136504-1-shr@fb.com> References: <20220426182134.136504-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: Od6YTrS2ozQo_tYKfk6r8FJVAHGX9xcp X-Proofpoint-GUID: Od6YTrS2ozQo_tYKfk6r8FJVAHGX9xcp 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=2022-04-26_05,2022-04-26_02,2022-02-23_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_112148_384745_2FEAF358 X-CRM114-Status: GOOD ( 17.59 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org This adds the big_cqe array to the struct io_uring_cqe to support large CQE's. Co-developed-by: Jens Axboe Signed-off-by: Stefan Roesch Signed-off-by: Jens Axboe Reviewed-by: Kanchan Joshi --- 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