From nobody Thu May 9 01:05:50 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=1669387183; cv=none; d=zohomail.com; s=zohoarc; b=EMnRaM3ELnbe8axbvkwrgw7o0aV3Y6iZbzUNpyu4MdU+IOlmsbXqROsUVYHCIWNfvSMUKnRHXk7kSwhmMOtgoQtpekqvpWVCi6N4jk8OQqoaeBS3kW85Tj/9BQd0VbjvmOVgTKMNomjCHSX04bD0LbK0lnhw1oP8FGEqCay6zWY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1669387183; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Fs85U69IRKNA4arYUvUFJSFq369RRgnafMplgvg3Rkc=; b=Q4lvq6R06BHXiszwUGQWbJBel5gbGa612tvi06YQTmgfAgDf5ve4Bu6nfwpTb8dthHAAR5wa6yExl9jOgcTrUpJhPNADlwrGTdOKMEhhnxLlv9KnTgy0fMn93OTH+SqXS0FJGZ9usmAxNqyGBF+LIooXsQ7StsIVQwHBC65rdyE= 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 1669387183164959.8902528214902; Fri, 25 Nov 2022 06:39:43 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyZrR-0000cM-9v; Fri, 25 Nov 2022 09:39:25 -0500 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 1oyZrG-0000Wc-2n for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:15 -0500 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 1oyZrE-00037S-K7 for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:13 -0500 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-433-8QKqIZaAMaiUZ1-HB0nXLA-1; Fri, 25 Nov 2022 09:39:08 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2F9AB29DD9B9; Fri, 25 Nov 2022 14:39:08 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.112]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1D25F2028E94; Fri, 25 Nov 2022 14:39:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669387151; 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=Fs85U69IRKNA4arYUvUFJSFq369RRgnafMplgvg3Rkc=; b=Abql1rs1txLPfN3IUULdjr+uOuLiVlhlgvDLfaEey1k6NYhpuuBoccmUfvdTQ+VqMAxb6O t0H9smiYeZeFlnARWomQk+c6n9hGu4/I2norsaUcazfhBQ2bJzY1t2SlJISEoab3ms32/6 d0TGdMKwuLO9RTPrbeNfUZO6vbTB8vY= X-MC-Unique: 8QKqIZaAMaiUZ1-HB0nXLA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , Laurent Vivier , Eli Cohen , Parav Pandit , Stefano Garzarella , Liuxiangdong , Harpreet Singh Anand , "Michael S. Tsirkin" , Jason Wang , Zhu Lingshan , Si-Wei Liu , Cindy Lu Subject: [RFC PATCH 1/3] virtio_net: export virtio_net_guest_offloads_by_features Date: Fri, 25 Nov 2022 15:38:57 +0100 Message-Id: <20221125143859.2211494-2-eperezma@redhat.com> In-Reply-To: <20221125143859.2211494-1-eperezma@redhat.com> References: <20221125143859.2211494-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 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=eperezma@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_H2=-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: 1669387184858100001 vdpa NIC can use it to know if it needs to restore guest offloads at startup / migration. Signed-off-by: Eugenio P=C3=A9rez --- include/hw/virtio/virtio-net.h | 1 + hw/net/virtio-net.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index ef234ffe7e..491eafef16 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -221,6 +221,7 @@ struct VirtIONet { struct EBPFRSSContext ebpf_rss; }; =20 +uint64_t virtio_net_guest_offloads_by_features(uint32_t features); size_t virtio_net_handle_ctrl_iov(VirtIODevice *vdev, const struct iovec *in_sg, unsigned in_n= um, const struct iovec *out_sg, diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index aba12759d5..87eb086dee 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -845,7 +845,7 @@ static void virtio_net_apply_guest_offloads(VirtIONet *= n) !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_UFO))); } =20 -static uint64_t virtio_net_guest_offloads_by_features(uint32_t features) +uint64_t virtio_net_guest_offloads_by_features(uint32_t features) { static const uint64_t guest_offloads_mask =3D (1ULL << VIRTIO_NET_F_GUEST_CSUM) | --=20 2.31.1 From nobody Thu May 9 01:05:50 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=1669387227; cv=none; d=zohomail.com; s=zohoarc; b=KyhI1aARqCWf6xBylHgoYPIe25vaw/POv4QcDB6yw8zXn3IoI1+r5PWThQsknpJ9CZl+enz1h6RT79QNXzunRaGB6xzDwF789nxEsUmra9nSMiJPUy6A3Se8wE9ys+sS9ZTngxGeH6a8uMScLQAdhmr+qWwCt/D97J3+WRlPsFU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1669387227; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=F2VpqQKVORRbr48LJsvmH9TJHcd/mfI6aheJxQHaM0c=; b=DvL05h3bfWtjFuPFV1xWf5UhsMlFoCBkYFl9IXSFpKr0kBnEdxWUV14GKMgbtxUNoT8hvuV31i01GglUqsWEMqYXoKyZcbWOJzVgpKlTVgXhV0luB5l3GzX8Lc/LIka03ZHVSwpZ0o88Su2XP35+b5PG0xqUdMPeepa/Fw3q7v8= 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 1669387227929135.57599128920197; Fri, 25 Nov 2022 06:40:27 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyZrR-0000g4-Q4; Fri, 25 Nov 2022 09:39:25 -0500 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 1oyZrI-0000XD-Gn for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:18 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyZrH-00038e-5x for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:16 -0500 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-372-PjzSrwMbNM2wk7hgzjuUBA-1; Fri, 25 Nov 2022 09:39:10 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8246A29AB3FF; Fri, 25 Nov 2022 14:39:10 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.112]) by smtp.corp.redhat.com (Postfix) with ESMTP id 711B920290A2; Fri, 25 Nov 2022 14:39:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669387154; 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=F2VpqQKVORRbr48LJsvmH9TJHcd/mfI6aheJxQHaM0c=; b=HbBukQpBrE6aGKpuCbFYVZaWNduKi7GX15zL7D0PCXZ0m5d6OpAnEt0aFVQBZ2mqQh4sqv ito0VfbqclZWQKoRmyShlZJMfexGHOeqtX/3zTpN47mO8UZ6Nm6gA83vjgO25YEfvST6nC VypcXvw+jt7TiT5MGH4QdWUyGxaEZec= X-MC-Unique: PjzSrwMbNM2wk7hgzjuUBA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , Laurent Vivier , Eli Cohen , Parav Pandit , Stefano Garzarella , Liuxiangdong , Harpreet Singh Anand , "Michael S. Tsirkin" , Jason Wang , Zhu Lingshan , Si-Wei Liu , Cindy Lu Subject: [RFC PATCH 2/3] vdpa: load guest offloads at device start Date: Fri, 25 Nov 2022 15:38:58 +0100 Message-Id: <20221125143859.2211494-3-eperezma@redhat.com> In-Reply-To: <20221125143859.2211494-1-eperezma@redhat.com> References: <20221125143859.2211494-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 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=170.10.133.124; envelope-from=eperezma@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_H2=-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: 1669387228837100001 This allows to migrate them. Save some device's startup time if they are the default. Signed-off-by: Eugenio P=C3=A9rez --- net/vhost-vdpa.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 2b4b85d8f8..7ce094bd67 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -423,6 +423,34 @@ static int vhost_vdpa_net_load_mq(VhostVDPAState *s, return *s->status !=3D VIRTIO_NET_OK; } =20 +static int vhost_vdpa_net_load_offloads(VhostVDPAState *s, + const VirtIONet *n) +{ + uint64_t features =3D n->parent_obj.guest_features; + uint64_t guest_offloads_mask; + ssize_t dev_written; + + if (!n->has_vnet_hdr || !(features & VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)= ) { + return 0; + } + + if (n->curr_guest_offloads =3D=3D + virtio_net_guest_offloads_by_features(features)) { + return 0; + } + + guest_offloads_mask =3D cpu_to_le64(n->curr_guest_offloads); + dev_written =3D vhost_vdpa_net_load_cmd(s, VIRTIO_NET_CTRL_GUEST_OFFLO= ADS, + VIRTIO_NET_CTRL_GUEST_OFFLOADS_S= ET, + &guest_offloads_mask, + sizeof(uint64_t)); + if (unlikely(dev_written < 0)) { + return dev_written; + } + + return *s->status !=3D VIRTIO_NET_OK; +} + static int vhost_vdpa_net_load(NetClientState *nc) { VhostVDPAState *s =3D DO_UPCAST(VhostVDPAState, nc, nc); @@ -445,8 +473,7 @@ static int vhost_vdpa_net_load(NetClientState *nc) if (unlikely(r)) { return r; } - - return 0; + return vhost_vdpa_net_load_offloads(s, n); } =20 static NetClientInfo net_vhost_vdpa_cvq_info =3D { --=20 2.31.1 From nobody Thu May 9 01:05:50 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=1669387241; cv=none; d=zohomail.com; s=zohoarc; b=kmBZhC/NUoSOauuM0pDSII3zyRpk3CUG/J7c3/OMiYSDzl0gVntDRiY6FkHQgpJHQP8gFpVQdk435GYU3e2Owu1sVeeT7jgzYfVPg8eec7l6ZKUkoTi/fhAxw4+sdwAWx0tV7K3Ml9r0z8QblMumIfd7+zokJVED3gQXVDHYFIk= ARC-Message-Signature: i=1; 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Tsirkin" , Jason Wang , Zhu Lingshan , Si-Wei Liu , Cindy Lu Subject: [RFC PATCH 3/3] vdpa: add VIRTIO_NET_F_CTRL_GUEST_OFFLOADS to SVQ features Date: Fri, 25 Nov 2022 15:38:59 +0100 Message-Id: <20221125143859.2211494-4-eperezma@redhat.com> In-Reply-To: <20221125143859.2211494-1-eperezma@redhat.com> References: <20221125143859.2211494-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 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=eperezma@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_H2=-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: 1669387242928100001 This way it is possible to migrate them. Signed-off-by: Eugenio P=C3=A9rez --- net/vhost-vdpa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 7ce094bd67..eca0184d3a 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -81,6 +81,7 @@ const int vdpa_feature_bits[] =3D { static const uint64_t vdpa_svq_device_features =3D BIT_ULL(VIRTIO_NET_F_CSUM) | BIT_ULL(VIRTIO_NET_F_GUEST_CSUM) | + BIT_ULL(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) | BIT_ULL(VIRTIO_NET_F_MTU) | BIT_ULL(VIRTIO_NET_F_MAC) | BIT_ULL(VIRTIO_NET_F_GUEST_TSO4) | -- 2.31.1