From nobody Tue Feb 10 08:43:38 2026 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=collabora.com ARC-Seal: i=1; a=rsa-sha256; t=1714060133; cv=none; d=zohomail.com; s=zohoarc; b=fUY8vxXL6fcgRdLuqAeM3YIk1GyuFjsBqlCjQry2EVAvqsx5ZMgQiRkSiZqTrGrW/MOBqTg6q1DUIQ//IR5STCZwMdpm5bVBK96Th+2b2yCW0NQSwnB+Ac3n8bt07GY1SU36bbsAdBtlBngCN4U7NT7M1YxLFGZxbL9zB2rUAWw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1714060133; h=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=+O03U1QhXfwv0pnQsHK0PdgYPBUPz7uCX0Pci1QKgas=; b=PLds/Q42qVsnwN4iHgcwRd7ct4DNpGWyZGznUF41FbjlFiLTJn8l6pdi2mIKgcW5xFquOhiucFvDDrjZoamR/0LUor5pbYIrb90OE2qf2JR69mSHSBaXRYxHwazpETO7zMAsA32WK6HpkFMK+DQx6Z4zy2yIR6XmPSWWBwpXsXI= 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+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1714060133169200.96453194075514; Thu, 25 Apr 2024 08:48:53 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s01Jz-00068e-Te; Thu, 25 Apr 2024 11:47:41 -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 1s01Je-0005s2-JB for qemu-devel@nongnu.org; Thu, 25 Apr 2024 11:47:19 -0400 Received: from madrid.collaboradmins.com ([46.235.227.194]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s01Jc-0006Ia-Cr for qemu-devel@nongnu.org; Thu, 25 Apr 2024 11:47:18 -0400 Received: from workpc.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 2BA91378215C; Thu, 25 Apr 2024 15:47:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1714060035; bh=qbE6uyalBRo9zLtYMhk2ZUOpAlXnd9MsceRpgqKOlwc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kwNILZWHlbgm/D4M135N3WgYD1EZoBo29HNFSvy1M1fQPfpPnbdJmhCozpIpAZZ8r VKTf8DbXK29L8Wm07Z8jtjAi7kuTFh4RPfZF1xXuea31GkjSD1NE1AioUghok3pruV J9HC4Fm9lzoIjz3ZbpSfKPz1QGhyb98t5qR8LxB81cTbW7pJm8wBRidWaQQJAkF63L fW2r3u06t7gNl1MkyP3Pg5lwTFude/kO6WVQOz3zCY3yaIMxBbtltPNqLg3PMd0sG5 eQnbmze/3ajEt4MHkOLa0/TCPw63zs32BVbKBn7SsZoAA7kDMAWQowOopk12JfwJ5G j01o17Obd2Kdw== From: Dmitry Osipenko To: Akihiko Odaki , Huang Rui , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , "Michael S . Tsirkin" , Stefano Stabellini , Anthony PERARD , Antonio Caggiano , "Dr . David Alan Gilbert" , Robert Beckett , Gert Wollny , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: qemu-devel@nongnu.org, Gurchetan Singh , ernunes@redhat.com, Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Yiwei Zhang Subject: [PATCH v9 11/11] migration/virtio: Add virtio-gpu section Date: Thu, 25 Apr 2024 18:45:39 +0300 Message-ID: <20240425154539.2680550-12-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240425154539.2680550-1-dmitry.osipenko@collabora.com> References: <20240425154539.2680550-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=46.235.227.194; envelope-from=dmitry.osipenko@collabora.com; helo=madrid.collaboradmins.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @collabora.com) X-ZM-MESSAGEID: 1714060134034100001 Content-Type: text/plain; charset="utf-8" Document virtio-gpu migration specifics. Suggested-by: Akihiko Odaki Signed-off-by: Dmitry Osipenko --- docs/devel/migration/virtio.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/docs/devel/migration/virtio.rst b/docs/devel/migration/virtio.= rst index 611a18b82151..67f5fcfed196 100644 --- a/docs/devel/migration/virtio.rst +++ b/docs/devel/migration/virtio.rst @@ -113,3 +113,10 @@ virtio_load() returned (like e.g. code depending on fe= atures). Any extension of the state being migrated should be done in subsections added to the core for compatibility reasons. If transport or device specif= ic state is added, core needs to invoke a callback from the new subsection. + +VirtIO-GPU migration +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +VirtIO-GPU doesn't adhere to a common virtio migration scheme. It doesn't +support save/loading of virtio device state, instead it uses generic device +migration management on top of the virtio core to save/load GPU state. +Migration of virgl and rutabaga states not supported. --=20 2.44.0