From patchwork Fri Feb 24 15:54:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 1747545 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=BxOajgBJ; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PNZJS3hXpz240V for ; Sat, 25 Feb 2023 02:56:40 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pVaQD-0006Hg-9J; Fri, 24 Feb 2023 10:55:45 -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 1pVaQ7-0005oJ-Qr for qemu-devel@nongnu.org; Fri, 24 Feb 2023 10:55:40 -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 1pVaQ5-0005vD-8R for qemu-devel@nongnu.org; Fri, 24 Feb 2023 10:55:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677254134; 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=gY3WmHvLrnlgMMrQ7XZGGlUeCPnkDMedRKO6qTIuFJE=; b=BxOajgBJlsC4XrY977cvoy+LUFjaZ/ETTTh+bjGbLuzqFMKcMw8/vVgzAk7KLRF35J8x7/ 33Maon3vOXBkYqRsc0VIRvUAH16zF0x/Wk+us3WZvvVAmlb0Ksv/RNcC0NQyEOu1Q+myIb zXDF88Vn4138BQwLzlFqqFks6TG7Fyg= 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-185-AGTBGzDqOCqSo8opBD2sxg-1; Fri, 24 Feb 2023 10:55:29 -0500 X-MC-Unique: AGTBGzDqOCqSo8opBD2sxg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 07B30299E75E; Fri, 24 Feb 2023 15:55:29 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2AB19C15BA0; Fri, 24 Feb 2023 15:55:26 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Stefano Garzarella , Shannon Nelson , Jason Wang , Gautam Dawar , Laurent Vivier , alvaro.karsz@solid-run.com, longpeng2@huawei.com, virtualization@lists.linux-foundation.org, Stefan Hajnoczi , Cindy Lu , "Michael S. Tsirkin" , si-wei.liu@oracle.com, Liuxiangdong , Parav Pandit , Eli Cohen , Zhu Lingshan , Harpreet Singh Anand , "Gonglei (Arei)" , Lei Yang Subject: [PATCH v4 14/15] vdpa net: allow VHOST_F_LOG_ALL Date: Fri, 24 Feb 2023 16:54:37 +0100 Message-Id: <20230224155438.112797-15-eperezma@redhat.com> In-Reply-To: <20230224155438.112797-1-eperezma@redhat.com> References: <20230224155438.112797-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Since some actions move to the start function instead of init, the device features may not be the parent vdpa device's, but the one returned by vhost backend. If transition to SVQ is supported, the vhost backend will return _F_LOG_ALL to signal the device is migratable. Add VHOST_F_LOG_ALL. HW dirty page tracking can be added on top of this change if the device supports it in the future. Signed-off-by: Eugenio Pérez Acked-by: Jason Wang --- net/vhost-vdpa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 094dc1c2d0..f55bb31400 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -101,6 +101,8 @@ static const uint64_t vdpa_svq_device_features = BIT_ULL(VIRTIO_NET_F_MQ) | BIT_ULL(VIRTIO_F_ANY_LAYOUT) | BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR) | + /* VHOST_F_LOG_ALL is exposed by SVQ */ + BIT_ULL(VHOST_F_LOG_ALL) | BIT_ULL(VIRTIO_NET_F_RSC_EXT) | BIT_ULL(VIRTIO_NET_F_STANDBY);