From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 10.25.0.147 with SMTP id 141csp1328753lfa; Mon, 6 Mar 2017 03:49:27 -0800 (PST) X-Received: by 10.55.67.135 with SMTP id q129mr15697606qka.98.1488800967300; Mon, 06 Mar 2017 03:49:27 -0800 (PST) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id t30si15279236qtt.48.2017.03.06.03.49.26 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 06 Mar 2017 03:49:27 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Received: from localhost ([::1]:43093 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckr8m-0007jx-SE for alex.bennee@linaro.org; Mon, 06 Mar 2017 06:49:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59457) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckr7r-0007hJ-QN for qemu-devel@nongnu.org; Mon, 06 Mar 2017 06:48:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ckr7r-0006EG-4B for qemu-devel@nongnu.org; Mon, 06 Mar 2017 06:48:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59028) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ckr7k-00067F-U2; Mon, 06 Mar 2017 06:48:21 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 81E9261B84; Mon, 6 Mar 2017 11:48:20 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-100.ams2.redhat.com [10.36.116.100]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v26BmGgA027200; Mon, 6 Mar 2017 06:48:17 -0500 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, peter.maydell@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Mon, 6 Mar 2017 12:48:11 +0100 Message-Id: <1488800894-22421-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 06 Mar 2017 11:48:20 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v2 0/3] vITS save/restore X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, vijay.kilari@gmail.com, quintela@redhat.com, dgilbert@redhat.com, peterx@redhat.com, Vijaya.Kumar@cavium.com, christoffer.dall@linaro.org Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: mnI80meg6tkV This series allows ITS save/restore and migration use cases. It relies on not upstreamed kernel series [1]. ITS tables are flushed into guest RAM on VM stop while registers are save on pre_save() callback. Tables and registers are restored on ITS post_load(). That work was tested on Cavium ThunderX using virsh save/restore and virt-manager live migration. Best Regards Eric Host Kernel dependencies: - [1] [PATCH v3 00/19] vITS save/restore History: v1 -> v2: - rebase on 2.9 soft release code - handle case where migrate_add_blocker fails - add comments along with ITS and GICv3 migration priorities Eric Auger (3): linux-headers: Update for vITS save/restore hw/intc/arm_gicv3_its: Implement state save/restore hw/intc/arm_gicv3_its: Allow save/restore hw/intc/arm_gicv3_common.c | 1 + hw/intc/arm_gicv3_its_common.c | 11 ++- hw/intc/arm_gicv3_its_kvm.c | 109 +++++++++++++++++++++++++--- include/hw/intc/arm_gicv3_its_common.h | 6 ++ include/migration/vmstate.h | 2 + include/standard-headers/linux/virtio_pci.h | 2 +- linux-headers/asm-arm/kvm.h | 2 + linux-headers/asm-arm64/kvm.h | 2 + linux-headers/linux/userfaultfd.h | 16 ++-- 9 files changed, 132 insertions(+), 19 deletions(-) -- 2.5.5