From patchwork Fri Sep 22 05:24:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 143387 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp5510703vqi; Fri, 22 Sep 2023 05:00:48 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFqp1rmV5zsXXwdZHyZfWpLdzmzCtISCy0b8GsxZDXifc5/cZiGsGQkthoiWQpstlC0n/9k X-Received: by 2002:a05:6359:2f9a:b0:143:8aa4:30bc with SMTP id rs26-20020a0563592f9a00b001438aa430bcmr2948507rwb.8.1695384048593; Fri, 22 Sep 2023 05:00:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695384048; cv=none; d=google.com; s=arc-20160816; b=H/UHS7MN2GNVy/Z/xJoPAvpjC2GN1kxiN3+ep74OVzxsbfPSytxzKZIonkeS7NNkdb msbNP/NpB+0KeTkR6g+5DcGtNwXiL5hg0V51f+8y8Oc8FY07OgiD1kW5fRMUrG6rgd24 vafZKzwkKJC23jkm29sDn+SUoAU2w0gw+MKnWKHdvOYE2Ulx7aU8eB+Ol79FmPO3Jxi+ ZGzavj4Umi/5HW4/o7k/Xrh97FWlsdAI+NABYGJ7kv63OKslnwUk5WUi8pe48+TK8Z2I t8Gz024QfG52zMdDXSSVNGVrNB06H+r+aaDs11/e/iITs1X1EAQ2EIbqbN7cYn6OwNtE ff3Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=3EZqTPtuxFGmvEgTrKtTokMxFFsO4LUHGPete/15D7A=; fh=wIHqZpOIuzcidDZ82yQbOZuyHJty7uvaWDEh/efoVzA=; b=ztmtYU9yVpiIK5KmsJjQP5Pip2xf0VPd7zl53Kr+ycYfbbD1yUFWzBTVHtF8usI8z5 XG7SuH0xBdyVu2EKGLsmTeMjxONcUldyxCFmAFKX4ldZsdfp9LyU1ahXcNbgwD53GkJY qnFoNUTEdcLpjb4rMiCw/O7EnIaglqDnmIVlHzyEsYXy5LZoEybERSPUClo+yuzgE4hR hezNURg1jSe+RwFPetDtNN+EwXpLB9wgVrXbnQ653RgiRgVzT0ipsyO/vuj/3kGqBK0G kF96CoQzXQRTgAG4rmC27d5ysx+GUCMsnmhRYFVBlGQqwKd6yDmx+Iw8HJfy1i/BzCYc dfng== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@salutedevices.com header.s=mail header.b=PqCdWogR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=salutedevices.com Received: from fry.vger.email (fry.vger.email. [23.128.96.38]) by mx.google.com with ESMTPS id s3-20020a637703000000b00578086d1387si3715491pgc.74.2023.09.22.05.00.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 05:00:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) client-ip=23.128.96.38; Authentication-Results: mx.google.com; dkim=pass header.i=@salutedevices.com header.s=mail header.b=PqCdWogR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=salutedevices.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id 5EA4B80DBA72; Thu, 21 Sep 2023 22:32:31 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231260AbjIVFcF (ORCPT + 30 others); Fri, 22 Sep 2023 01:32:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42318 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229664AbjIVFbx (ORCPT ); Fri, 22 Sep 2023 01:31:53 -0400 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74522198; Thu, 21 Sep 2023 22:31:45 -0700 (PDT) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id E246410000A; Fri, 22 Sep 2023 08:31:43 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru E246410000A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1695360703; bh=3EZqTPtuxFGmvEgTrKtTokMxFFsO4LUHGPete/15D7A=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=PqCdWogR1HqAlYw4rJh4dN97s8rG223Uqi5jQkgE6qN7Ak79GRXo4nKBAzIH/FXYv +Yed05qixjQGOpVpJjs7Y6/qIk6QVX8hnW3umjN+TDNfSiHgiRXwna2BOpluDiX85g ATio/tcORgXCQQ8/9FqvRtSISL7jYHnKBO/jeRnHfCpH2EXpaR53aJBjiTxIHi/EIO Y3vhLqLPzTVuDCDTi2g7suA7HpOw0+KOnwaXaDlch6/yiFWdmAHMvXLV8A1ukKHpGb Lb+1jam50HWMX4Eo4zlvfGoB9dkzpdr5uq+2xV+MKAvdA0btWm0RzVzB6WXiy9zC00 uJme2QHGH4UfA== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Fri, 22 Sep 2023 08:31:43 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Fri, 22 Sep 2023 08:31:43 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [PATCH net-next v1 05/12] vhost/vsock: support MSG_ZEROCOPY for transport Date: Fri, 22 Sep 2023 08:24:21 +0300 Message-ID: <20230922052428.4005676-6-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230922052428.4005676-1-avkrasnov@salutedevices.com> References: <20230922052428.4005676-1-avkrasnov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 180033 [Sep 21 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 534 534 808c2ea49f7195c68d40844e073217da4fa0d1e3, {Tracking_from_domain_doesnt_match_to}, 127.0.0.199:7.1.2;salutedevices.com:7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;100.64.160.123:7.1.2, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/09/22 02:22:00 #21944311 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 21 Sep 2023 22:32:31 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777739023849501807 X-GMAIL-MSGID: 1777739023849501807 Add 'msgzerocopy_allow()' callback for vhost transport. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- drivers/vhost/vsock.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 83711aad855c..f75731396b7e 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -398,6 +398,11 @@ static bool vhost_vsock_more_replies(struct vhost_vsock *vsock) return val < vq->num; } +static bool vhost_transport_msgzerocopy_allow(void) +{ + return true; +} + static bool vhost_transport_seqpacket_allow(u32 remote_cid); static struct virtio_transport vhost_transport = { @@ -431,6 +436,8 @@ static struct virtio_transport vhost_transport = { .seqpacket_allow = vhost_transport_seqpacket_allow, .seqpacket_has_data = virtio_transport_seqpacket_has_data, + .msgzerocopy_allow = vhost_transport_msgzerocopy_allow, + .notify_poll_in = virtio_transport_notify_poll_in, .notify_poll_out = virtio_transport_notify_poll_out, .notify_recv_init = virtio_transport_notify_recv_init,