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 5BEE4C4332F for ; Mon, 25 Apr 2022 18:26:05 +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=gs8OHdBXvAolx3D94a0w0B3walN7NY6nk0IyHf9PuKo=; b=z/KGCN462Zj3yj6KIIS+RbStSg 8BiBQ9IaMDji01XoE7r3mC9NbZr4GS/R69LBRjfJW/1K3TJJK1vVv7pqjTkxYTkedAn5wIo0UaeM0 NFCN2OTYNnitjAOx9B6fmNX3VGFJyNqc6EAz2PB6tzSVaTI6kq9zoAoJ7twUfG4/wfOOQr4OruT2C 6bg58+pBJW2ld9gVRbR3JYtSxrU6/ffOlhp3n84IFGr/2vbDJ29nLSCv57z/4pqP4s5i8EOS4FaHV ZwBU/IRgLqBDpPsG38UQ/4CmZMsjCrvZLCmRlLEKS9+tFfj7gYiBkSDU49t+nNdtfK19pisS0Cd7b ZvfpTGKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nj3PG-00Aqas-IR; Mon, 25 Apr 2022 18:25:54 +0000 Received: from mx0b-00082601.pphosted.com ([67.231.153.30] helo=mx0a-00082601.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nj3PC-00AqYa-Vx for linux-nvme@lists.infradead.org; Mon, 25 Apr 2022 18:25:53 +0000 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 23PHPJ5X009688 for ; Mon, 25 Apr 2022 11:25:47 -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 m0089730.ppops.net (PPS) with ESMTPS id 3fmcy4vb22-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 25 Apr 2022 11:25:46 -0700 Received: from twshared14141.02.ash7.facebook.com (2620:10d:c085:108::8) 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; 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: mVK9qDNrTjaWfSsAkMjMuyAYoqjqKnv_ X-Proofpoint-GUID: mVK9qDNrTjaWfSsAkMjMuyAYoqjqKnv_ 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_112551_191473_FC2AB413 X-CRM114-Status: GOOD ( 17.54 ) 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 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