From patchwork Tue Jul 9 01:59:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirti Wankhede X-Patchwork-Id: 11036117 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 094A1112C for ; Tue, 9 Jul 2019 04:13:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC170286A8 for ; Tue, 9 Jul 2019 04:13:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFC91286C7; Tue, 9 Jul 2019 04:13:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7F8A9286B1 for ; Tue, 9 Jul 2019 04:13:02 +0000 (UTC) Received: from localhost ([::1]:46554 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkhUy-0007ld-R1 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 09 Jul 2019 00:13:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35026) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkhQn-0002Vu-My for qemu-devel@nongnu.org; Tue, 09 Jul 2019 00:08:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hkhQk-0003Pm-P1 for qemu-devel@nongnu.org; Tue, 09 Jul 2019 00:08:39 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:11839) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hkhQk-0003Op-6V for qemu-devel@nongnu.org; Tue, 09 Jul 2019 00:08:38 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 08 Jul 2019 21:08:09 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 08 Jul 2019 21:08:10 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 08 Jul 2019 21:08:10 -0700 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 9 Jul 2019 02:03:13 +0000 Received: from kwankhede-dev.nvidia.com (10.124.1.5) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 9 Jul 2019 02:03:06 +0000 From: Kirti Wankhede To: , Date: Tue, 9 Jul 2019 07:29:14 +0530 Message-ID: <1562637554-22439-14-git-send-email-kwankhede@nvidia.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1562637554-22439-1-git-send-email-kwankhede@nvidia.com> References: <1562637554-22439-1-git-send-email-kwankhede@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1562645296; bh=oDXfXH2QKaDnSbDGeApTn7hYtedGL0xz2YwbKpIZ7YQ=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=Hnrrjp0wk6SdJX/6NHmxeiN13Cby44HgAKY6a+IMh6Z+aAC8d5PFtVCwoymLtMYks iTz0MervqLRW3kooXvy7h9qgxt+FvGlofQRLxkyBqNg91P8uqGKNC6YVefQN5w7HDB LMJ8juz6D6QkaJCUtca6JN2F++KZEIGUnf5i+kno/L8yB20ctmHsuP5OORArtcKpF6 5zDnEmlCwMwFBIJEnpia+2T6agJBJelIJCALXVFxZpPdBEE38p0m7nrHXamIIQN+cY puSjkJHvCoKSxH+ISq1nUbgpPaBNxDbUTQjkx0x7oWQY2PI5IdXXUtmQohzw6TvIDQ GOKYlZYq6Eseg== X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 X-Received-From: 216.228.121.65 Subject: [Qemu-devel] [PATCH v6 13/13] vfio: Make vfio-pci device migration capable. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhengxiao.zx@Alibaba-inc.com, kevin.tian@intel.com, yi.l.liu@intel.com, yan.y.zhao@intel.com, eskultet@redhat.com, ziye.yang@intel.com, qemu-devel@nongnu.org, cohuck@redhat.com, shuangtai.tst@alibaba-inc.com, dgilbert@redhat.com, zhi.a.wang@intel.com, mlevitsk@redhat.com, pasic@linux.ibm.com, aik@ozlabs.ru, Kirti Wankhede , eauger@redhat.com, felipe@nutanix.com, jonathan.davies@nutanix.com, changpeng.liu@intel.com, Ken.Xue@amd.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Call vfio_migration_probe() and vfio_migration_finalize() functions for vfio-pci device to enable migration for vfio PCI device. Removed vfio_pci_vmstate structure. Signed-off-by: Kirti Wankhede Reviewed-by: Neo Jia --- hw/vfio/pci.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 5fe4f8076cac..2ea17a814d55 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2852,6 +2852,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) vdev->vbasedev.ops = &vfio_pci_ops; vdev->vbasedev.type = VFIO_DEVICE_TYPE_PCI; vdev->vbasedev.dev = DEVICE(vdev); + vdev->vbasedev.device_state = 0; tmp = g_strdup_printf("%s/iommu_group", vdev->vbasedev.sysfsdev); len = readlink(tmp, group_path, sizeof(group_path)); @@ -3112,6 +3113,12 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) } } + ret = vfio_migration_probe(&vdev->vbasedev, errp); + if (ret) { + error_report("%s: Failed to setup for migration", + vdev->vbasedev.name); + } + vfio_register_err_notifier(vdev); vfio_register_req_notifier(vdev); vfio_setup_resetfn_quirk(vdev); @@ -3131,6 +3138,7 @@ static void vfio_instance_finalize(Object *obj) VFIOPCIDevice *vdev = PCI_VFIO(obj); VFIOGroup *group = vdev->vbasedev.group; + vdev->vbasedev.device_state = 0; vfio_display_finalize(vdev); vfio_bars_finalize(vdev); g_free(vdev->emulated_config_bits); @@ -3159,6 +3167,7 @@ static void vfio_exitfn(PCIDevice *pdev) } vfio_teardown_msi(vdev); vfio_bars_exit(vdev); + vfio_migration_finalize(&vdev->vbasedev); } static void vfio_pci_reset(DeviceState *dev) @@ -3267,11 +3276,6 @@ static Property vfio_pci_dev_properties[] = { DEFINE_PROP_END_OF_LIST(), }; -static const VMStateDescription vfio_pci_vmstate = { - .name = "vfio-pci", - .unmigratable = 1, -}; - static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -3279,7 +3283,6 @@ static void vfio_pci_dev_class_init(ObjectClass *klass, void *data) dc->reset = vfio_pci_reset; dc->props = vfio_pci_dev_properties; - dc->vmsd = &vfio_pci_vmstate; dc->desc = "VFIO-based PCI device assignment"; set_bit(DEVICE_CATEGORY_MISC, dc->categories); pdc->realize = vfio_realize;