From nobody Wed Nov 27 19:45:24 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1697644653; cv=none; d=zohomail.com; s=zohoarc; b=WcwWHH1H7kg6PNVIibgRY23vyu7e/Sx7C8E4myjtqo12EtQ9P7n6xwhkdLhTxoe7ijEm6DYun+ux9YZV7Kdu5bINAydOy5fq00J3r50FQAGB35ysAOO/2RCj8b960QMrsf07x9IEAEUGtbUlu6N57S5fi6qZX8DcmmGwjPyE9ZU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1697644653; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=BFZkemHVKMpqq9uyVp58jnRD/h5a0Rr9UNCxOcsmGpE=; b=BDTD2S/81/xu4eJbFyTKhCIOAyDtt0omjmY3IJqN81rxgpDIoM/I+1v4ZKwqhdgbeZQRN+nfGvcqXnaKJAX3m9Eo05ADoXa+M62DjnJa6qq7F+1uikxq6PnkfeIMSQEsBNP0YdPO13nVjzltBm5DRtNpFB2Q7xzI0arH4zkKs7E= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1697644653334493.75928566477785; Wed, 18 Oct 2023 08:57:33 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qt8vG-0005R2-OU; Wed, 18 Oct 2023 11:57:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qt8tg-0002us-Bp for qemu-devel@nongnu.org; Wed, 18 Oct 2023 11:55:49 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qt8tc-0006tF-8C for qemu-devel@nongnu.org; Wed, 18 Oct 2023 11:55:48 -0400 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-679-CYRu11aCPhyIrvf7sk4Dkw-1; Wed, 18 Oct 2023 11:55:41 -0400 Received: by mail-wm1-f71.google.com with SMTP id 5b1f17b1804b1-3fe182913c5so44442475e9.0 for ; Wed, 18 Oct 2023 08:55:41 -0700 (PDT) Received: from redhat.com ([2a02:14f:1f2:2037:f34:d61b:7da0:a7be]) by smtp.gmail.com with ESMTPSA id g19-20020a05600c4ed300b003fefaf299b6sm2053484wmq.38.2023.10.18.08.55.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 08:55:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1697644543; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BFZkemHVKMpqq9uyVp58jnRD/h5a0Rr9UNCxOcsmGpE=; b=A0KHa+oAntlYqxuZMx3LBkstOkkxX49bS9Hu2msYlGkAZvpGI28/AflWWz2WG4zEmK1zJn ohRh+BSyke69+ugse0JNfFt+L+C8Yp8m1FytNbBnrMqMd9UIioX2HB61etSs/2WPN5jKIO x1rj+5Zj6b8Y54yotucmtLI3HDQWyvE= X-MC-Unique: CYRu11aCPhyIrvf7sk4Dkw-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697644539; x=1698249339; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BFZkemHVKMpqq9uyVp58jnRD/h5a0Rr9UNCxOcsmGpE=; b=xRaxN0NeGcAqPKP87V5XZRxDB+gmqpcx4PsRLQNk0zBUWTyBEvbs0m8h9M2UDOhvTk dpPS6CFRG9L+CrnLTI0ztH2+Q033Cz17os7P/W0iQg7qP65haqkdcp3EGTR5ePO5EWVr 3zNJwCPCQscr2EOBiY08xa7y95gtKaLN1nZcR71I0w1GbldC4kpEwT3oL695cbBHfJRQ 4hReCQ5ogH3yETEEAC18xmhuzCLbVdNihnBp7tYLjbpsISmH8pjcnum7csINbj8rZ0Qk 2WjV7RJ7jFjyoyn05DPKq66uo27PTMYBUfQ7Y5ZBX37gGUTeMWU3Wi5TOPCpI7pm8h91 04CQ== X-Gm-Message-State: AOJu0YyWRixEJw+B3tRYiEtyGPW83nGmeKFOgpJPFsHygqjPUBuPJyNH e7l4bvKfKvPM6Fl0VT1CIhfRu/3Pd25nzQuPwzgKkttNZoIdFXNsWz53NqezEZnjEyzMZhZX3ET uyICWcxQIpwcdhs/xpnfgkoJdEogKrfR//He+Q3nyHYOdd1A6viplUzogNGuKUjQvGS4ZJy0= X-Received: by 2002:a05:600c:1ca3:b0:407:5b54:bb10 with SMTP id k35-20020a05600c1ca300b004075b54bb10mr4448954wms.8.1697644539649; Wed, 18 Oct 2023 08:55:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE9vn47qs5u2wQGVPlcEdtlfp7ssigDL5o3gKQgrl/2iQk0eh1sr8rXi1faTv6c0rdUZTpm/Q== X-Received: by 2002:a05:600c:1ca3:b0:407:5b54:bb10 with SMTP id k35-20020a05600c1ca300b004075b54bb10mr4448926wms.8.1697644539202; Wed, 18 Oct 2023 08:55:39 -0700 (PDT) Date: Wed, 18 Oct 2023 11:55:34 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Laszlo Ersek , Eugenio Perez Martin , German Maglione , Liu Jiang , Sergio Lopez Pascual , Stefano Garzarella , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Albert Esteve Subject: [PULL 31/83] vhost-user: factor out "vhost_user_write_sync" Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1697644653805100001 From: Laszlo Ersek The tails of the "vhost_user_set_vring_addr" and "vhost_user_set_u64" functions are now byte-for-byte identical. Factor the common tail out to a new function called "vhost_user_write_sync". This is purely refactoring -- no observable change. Cc: "Michael S. Tsirkin" (supporter:vhost) Cc: Eugenio Perez Martin Cc: German Maglione Cc: Liu Jiang Cc: Sergio Lopez Pascual Cc: Stefano Garzarella Signed-off-by: Laszlo Ersek Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Stefano Garzarella Tested-by: Albert Esteve Reviewed-by: Eugenio P=C3=A9rez Message-Id: <20231002203221.17241-4-lersek@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user.c | 66 ++++++++++++++++++------------------------ 1 file changed, 28 insertions(+), 38 deletions(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 6c7b4cc75c..95dbf9880c 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -1310,10 +1310,35 @@ static int enforce_reply(struct vhost_dev *dev, return vhost_user_get_features(dev, &dummy); } =20 +/* Note: "msg->hdr.flags" may be modified. */ +static int vhost_user_write_sync(struct vhost_dev *dev, VhostUserMsg *msg, + bool wait_for_reply) +{ + int ret; + + if (wait_for_reply) { + bool reply_supported =3D virtio_has_feature(dev->protocol_features, + VHOST_USER_PROTOCOL_F_REPLY_ACK); + if (reply_supported) { + msg->hdr.flags |=3D VHOST_USER_NEED_REPLY_MASK; + } + } + + ret =3D vhost_user_write(dev, msg, NULL, 0); + if (ret < 0) { + return ret; + } + + if (wait_for_reply) { + return enforce_reply(dev, msg); + } + + return 0; +} + static int vhost_user_set_vring_addr(struct vhost_dev *dev, struct vhost_vring_addr *addr) { - int ret; VhostUserMsg msg =3D { .hdr.request =3D VHOST_USER_SET_VRING_ADDR, .hdr.flags =3D VHOST_USER_VERSION, @@ -1327,24 +1352,7 @@ static int vhost_user_set_vring_addr(struct vhost_de= v *dev, */ bool wait_for_reply =3D addr->flags & (1 << VHOST_VRING_F_LOG); =20 - if (wait_for_reply) { - bool reply_supported =3D virtio_has_feature(dev->protocol_features, - VHOST_USER_PROTOCOL_F_REPLY_ACK); - if (reply_supported) { - msg.hdr.flags |=3D VHOST_USER_NEED_REPLY_MASK; - } - } - - ret =3D vhost_user_write(dev, &msg, NULL, 0); - if (ret < 0) { - return ret; - } - - if (wait_for_reply) { - return enforce_reply(dev, &msg); - } - - return 0; + return vhost_user_write_sync(dev, &msg, wait_for_reply); } =20 static int vhost_user_set_u64(struct vhost_dev *dev, int request, uint64_t= u64, @@ -1356,26 +1364,8 @@ static int vhost_user_set_u64(struct vhost_dev *dev,= int request, uint64_t u64, .payload.u64 =3D u64, .hdr.size =3D sizeof(msg.payload.u64), }; - int ret; =20 - if (wait_for_reply) { - bool reply_supported =3D virtio_has_feature(dev->protocol_features, - VHOST_USER_PROTOCOL_F_REPLY_ACK); - if (reply_supported) { - msg.hdr.flags |=3D VHOST_USER_NEED_REPLY_MASK; - } - } - - ret =3D vhost_user_write(dev, &msg, NULL, 0); - if (ret < 0) { - return ret; - } - - if (wait_for_reply) { - return enforce_reply(dev, &msg); - } - - return 0; + return vhost_user_write_sync(dev, &msg, wait_for_reply); } =20 static int vhost_user_set_status(struct vhost_dev *dev, uint8_t status) --=20 MST