From nobody Fri Dec 19 04:32:21 2025 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 ARC-Seal: i=1; a=rsa-sha256; t=1714295280; cv=none; d=zohomail.com; s=zohoarc; b=lxvGz9/yQaM2wPoWloCCS7X9EHZMe1m//r7EsqrNqySfesnU1aAK8sjyE5lJblS8C45fQxbGHcYtCLHLUwF4jda8yPNEvxqC6EAT+vS0ooIZzNY1978ai+a7x5rY7obU2bexeuCWEqWIyOPGVESfX07ZxZJnFz25O+0BTgdXipE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1714295280; 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=KYFokKhXysTWjT3OFitjO+OVj2oTKkLxJ60GTT7+88s=; b=T0piFPlSBw0VN9c7vGICK3DjgnwQMzh+8lX+e0HhRDOx4WxhYCCSr1jkeaxNyibVvSJaO18s+2UWsEadjYP4jW9+et2BKGt93nFnYKG5VkIolToOEuHTWo/td0L+2uSN1zyWG2bnQTclxBn2Z0g79qsezDTCIJZBEnXsZHc623k= 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1714295280246629.28985070996; Sun, 28 Apr 2024 02:08:00 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s10UX-0007i1-0e; Sun, 28 Apr 2024 05:06:37 -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 1s10UU-0007hV-Km for qemu-devel@nongnu.org; Sun, 28 Apr 2024 05:06:34 -0400 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s10UP-0003wX-5F for qemu-devel@nongnu.org; Sun, 28 Apr 2024 05:06:32 -0400 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1eab699fcddso26491045ad.0 for ; Sun, 28 Apr 2024 02:06:28 -0700 (PDT) Received: from localhost ([157.82.202.162]) by smtp.gmail.com with UTF8SMTPSA id bf6-20020a170902b90600b001e86e5dcb81sm18096416plb.283.2024.04.28.02.06.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 28 Apr 2024 02:06:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20230601.gappssmtp.com; s=20230601; t=1714295188; x=1714899988; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=KYFokKhXysTWjT3OFitjO+OVj2oTKkLxJ60GTT7+88s=; b=T0YEUizFEav3/K72YYunCUm80NxOxpCriL49W59ZyoEwlI6OglOVGf9iLksizWzKq+ q7IHbK25+JzujbpwcCqQqcAet1E2jP3z76zfD6n8X4bIFmPy88VTNaD345Uf6YqANVop oKApDBrZ0GuoFksEBMW6NVVkA2hgygdKVa2rUxlPA3qKR75dMOxUH5FjP/UDj2kHPA8g /lZWjvwLD8h5J6OotBSkOonx6mukVmqcNKfCezjFSwe17W9WsrGLzY5T0heRDrtLkcck YtqIlUGM9v8g3KS3DYT+A3uuuxpneix4oTwhRkPx0vKGCzYR8r7KLjNR9Gh5ccuIVvzd IPNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714295188; x=1714899988; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KYFokKhXysTWjT3OFitjO+OVj2oTKkLxJ60GTT7+88s=; b=S0k7tYAA/GM1GPxsQDnaP4tJOHNuuemsyCpGt8J2g9U+zNIIsvXiA1DYfoFa/Xxchf DE7yOIvMcBVWGwltNaIB2DiHJhCN++HbJD9N0YOuOwIc79YYkPo2sVBZ8axuji6NIfSe NCGupfwE91rS/Tl7roZrDoa7bhm1Qipet/lQvhkB7hxPV+vPKs1W+2qR8w2BLo3Ua8gE tubgejoJbf0B0DU9nPyxdAjbU/cYzED7EqErLzDeHl5JhpIpXGXjh33VRHcQiUKcQr6o rSjge39CBaZQcL+nnUf5hWXG6c1I+QFnb10bqC6odOHBVP8eybxB/xlGA6Mm1p3zOcu8 kuzQ== X-Gm-Message-State: AOJu0YxijV1++UO545p6CN4QjBc/JcpGeMK6iiFDsxQ2sDSVWQbwgS29 1bcjHrJsUuhzp+7G8R+mhIZXNC0bj7y6jgRzgkOqV+V6DeAnbdVXJ77/3BxAycI= X-Google-Smtp-Source: AGHT+IEDMLcOKPVG8HiLsZVvaamd2lro71ACJjACOM7U6z8LlpUPdEr1HX0YliO/Kpvtb2UYESt4Hg== X-Received: by 2002:a17:902:ce02:b0:1eb:57cb:4c69 with SMTP id k2-20020a170902ce0200b001eb57cb4c69mr4526854plg.45.1714295187923; Sun, 28 Apr 2024 02:06:27 -0700 (PDT) From: Akihiko Odaki Date: Sun, 28 Apr 2024 18:05:46 +0900 Subject: [PATCH RFC v4 6/7] virtio-pci: Implement SR-IOV PF MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240428-sriov-v4-6-ac8ac6212982@daynix.com> References: <20240428-sriov-v4-0-ac8ac6212982@daynix.com> In-Reply-To: <20240428-sriov-v4-0-ac8ac6212982@daynix.com> To: "Michael S. Tsirkin" , Marcel Apfelbaum , Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , Jason Wang , Sriram Yagnaraman , Keith Busch , Klaus Jensen Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, Yui Washizu , Akihiko Odaki X-Mailer: b4 0.14-dev-a718f 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: none client-ip=2607:f8b0:4864:20::62c; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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 @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1714295280384100001 Allow user to attach SR-IOV VF to a virtio-pci PF. Signed-off-by: Akihiko Odaki --- hw/virtio/virtio-pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index eaaf86402cfa..996bb2cbad20 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -2245,6 +2245,12 @@ static void virtio_pci_device_plugged(DeviceState *d= , Error **errp) pci_register_bar(&proxy->pci_dev, proxy->legacy_io_bar_idx, PCI_BASE_ADDRESS_SPACE_IO, &proxy->bar); } + + if (pcie_sriov_pf_init_from_user_created_vfs(&proxy->pci_dev, + PCI_CONFIG_SPACE_SIZE, + errp)) { + virtio_add_feature(&vdev->host_features, VIRTIO_F_SR_IOV); + } } =20 static void virtio_pci_device_unplugged(DeviceState *d) @@ -2253,6 +2259,7 @@ static void virtio_pci_device_unplugged(DeviceState *= d) bool modern =3D virtio_pci_modern(proxy); bool modern_pio =3D proxy->flags & VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY; =20 + pcie_sriov_pf_exit(&proxy->pci_dev); virtio_pci_stop_ioeventfd(proxy); =20 if (modern) { --=20 2.44.0