From patchwork Wed Feb 12 05:44:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suravee Suthikulpanit X-Patchwork-Id: 13971135 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 613D7C0219E for ; Wed, 12 Feb 2025 05:46:26 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ti5Yw-0002un-Bs; Wed, 12 Feb 2025 00:45:30 -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 1ti5Yu-0002uO-Jb for qemu-devel@nongnu.org; Wed, 12 Feb 2025 00:45:28 -0500 Received: from mail-bn8nam12on2060f.outbound.protection.outlook.com ([2a01:111:f403:2418::60f] helo=NAM12-BN8-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ti5Ys-0006GL-Eo for qemu-devel@nongnu.org; Wed, 12 Feb 2025 00:45:28 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=EzF/SamQSvR7VSZFHcEoGUzR66QFRlrA6RD2Fj8BJZVjlibZt5KepkKiCnT/86pp4xG12caRmwqqnKVQHVngTnIaS0r81UNLcmjwaPzfyo4jj1EdnW/6RtCbzvSoYZSYowVaPYWA4YXxYmh4rmderYUqORGTFCBpW2FtbQT4vCb2MiYqmjav9ntqE3mfhKlSsqrtsmJG8+qNk2jzW+LUvzGlWAb/Q2FPhA6W2vJFuJSCcKWNqRKSDhBVQE5pIWMkxlWEVeK0V1ppRlzvMPi1n16k2ZlyeKFiLnimeepz0XgwZc42ffyMjOJMbbKPg5Kj9Aon8Y/cEpbO43fraQoyZQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=+37t8iaREdbfp8pbnpzOY527WTZu5ToKMS/xwtLprPA=; b=L0ROHPfr3xKchz7GhqZnMcGdeBfb5d0nTXYI499o3pZLUGagBmCJ8NW8RVvc3Rtklc3hlo+6q5uhGGjgXkeoUrAvjsKraCT5EQ7IDkjrNTmxgANWF/pWOIstzYlGdp5z9B6GiPNdZZigHiidOPkosANjO4TU6hXezTmi8FoD5l4WyNRt0LdiJGJDTBMna6NmpUQviomahTMJxw7MGO+FafTgiFedabPW9Sp1j6xPmfipFdV2l5t8IK15XpNGbqLXBdDSGzzXElYssyc9WaLwdUv+NEswG9ZEAGtqQbdv4AZQYk6O2mg0miR+C9RiwBdFghBZYnr8Gi1LMbqJA/H8kw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=nongnu.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+37t8iaREdbfp8pbnpzOY527WTZu5ToKMS/xwtLprPA=; b=qUSkU27CBzn295x0O0nxBDj4MMggCwGMRG2FP1ZKfJACMuEL0vSUY7Kmb13UhTLIZreCFqT7eeMK31PNvNfq+mlwm8UBYfgnNA39yGCLUc4644V6JCCPiR7SAUQV97cNjXXP1OghDC13g6FR99i2Np37+gxKvLC3ws9czodEbak= Received: from SN1PR12CA0043.namprd12.prod.outlook.com (2603:10b6:802:20::14) by SJ0PR12MB6736.namprd12.prod.outlook.com (2603:10b6:a03:47a::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8422.18; Wed, 12 Feb 2025 05:45:20 +0000 Received: from SN1PEPF0002BA4E.namprd03.prod.outlook.com (2603:10b6:802:20:cafe::2) by SN1PR12CA0043.outlook.office365.com (2603:10b6:802:20::14) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8398.24 via Frontend Transport; Wed, 12 Feb 2025 05:45:20 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF0002BA4E.mail.protection.outlook.com (10.167.242.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8445.10 via Frontend Transport; Wed, 12 Feb 2025 05:45:20 +0000 Received: from purico-ed03host.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 11 Feb 2025 23:45:15 -0600 From: Suravee Suthikulpanit To: CC: , , , , , , , , , , , , Suravee Suthikulpanit Subject: [PATCH v3 2/2] hw/i386/amd_iommu: Allow migration when explicitly create the AMDVI-PCI device Date: Wed, 12 Feb 2025 05:44:50 +0000 Message-ID: <20250212054450.578449-3-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250212054450.578449-1-suravee.suthikulpanit@amd.com> References: <20250212054450.578449-1-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA4E:EE_|SJ0PR12MB6736:EE_ X-MS-Office365-Filtering-Correlation-Id: 95876053-1180-431e-7bf6-08dd4b286fc5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(376014)(36860700013)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2025 05:45:20.1685 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 95876053-1180-431e-7bf6-08dd4b286fc5 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002BA4E.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB6736 Received-SPF: permerror client-ip=2a01:111:f403:2418::60f; envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM12-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.54, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add migration support for AMD IOMMU model by saving necessary AMDVIState parameters for MMIO registers, device table, command buffer, and event buffers. Signed-off-by: Suravee Suthikulpanit --- hw/i386/amd_iommu.c | 58 ++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 52 insertions(+), 6 deletions(-) diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 0f552bafa0..dda1a5781f 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1611,6 +1611,57 @@ static void amdvi_sysbus_reset(DeviceState *dev) amdvi_init(s); } +static const VMStateDescription vmstate_amdvi_sysbus = { + .name = "amd-iommu", + .unmigratable = 1 +}; + +static const VMStateDescription vmstate_amdvi_sysbus_migratable = { + .name = "amd-iommu", + .version_id = 1, + .minimum_version_id = 1, + .priority = MIG_PRI_IOMMU, + .fields = (VMStateField[]) { + /* Updated in amdvi_handle_control_write() */ + VMSTATE_BOOL(enabled, AMDVIState), + VMSTATE_BOOL(ga_enabled, AMDVIState), + VMSTATE_BOOL(ats_enabled, AMDVIState), + VMSTATE_BOOL(cmdbuf_enabled, AMDVIState), + VMSTATE_BOOL(completion_wait_intr, AMDVIState), + VMSTATE_BOOL(evtlog_enabled, AMDVIState), + VMSTATE_BOOL(evtlog_intr, AMDVIState), + /* Updated in amdvi_handle_devtab_write() */ + VMSTATE_UINT64(devtab, AMDVIState), + VMSTATE_UINT64(devtab_len, AMDVIState), + /* Updated in amdvi_handle_cmdbase_write() */ + VMSTATE_UINT64(cmdbuf, AMDVIState), + VMSTATE_UINT64(cmdbuf_len, AMDVIState), + /* Updated in amdvi_handle_cmdhead_write() */ + VMSTATE_UINT32(cmdbuf_head, AMDVIState), + /* Updated in amdvi_handle_cmdtail_write() */ + VMSTATE_UINT32(cmdbuf_tail, AMDVIState), + /* Updated in amdvi_handle_evtbase_write() */ + VMSTATE_UINT64(evtlog, AMDVIState), + VMSTATE_UINT32(evtlog_len, AMDVIState), + /* Updated in amdvi_handle_evthead_write() */ + VMSTATE_UINT32(evtlog_head, AMDVIState), + /* Updated in amdvi_handle_evttail_write() */ + VMSTATE_UINT32(evtlog_tail, AMDVIState), + /* Updated in amdvi_handle_pprbase_write() */ + VMSTATE_UINT64(ppr_log, AMDVIState), + VMSTATE_UINT32(pprlog_len, AMDVIState), + /* Updated in amdvi_handle_pprhead_write() */ + VMSTATE_UINT32(pprlog_head, AMDVIState), + /* Updated in amdvi_handle_tailhead_write() */ + VMSTATE_UINT32(pprlog_tail, AMDVIState), + /* MMIO registers */ + VMSTATE_UINT8_ARRAY(mmior, AMDVIState, AMDVI_MMIO_SIZE), + VMSTATE_UINT8_ARRAY(romask, AMDVIState, AMDVI_MMIO_SIZE), + VMSTATE_UINT8_ARRAY(w1cmask, AMDVIState, AMDVI_MMIO_SIZE), + VMSTATE_END_OF_LIST() + } +}; + static void amdvi_sysbus_realize(DeviceState *dev, Error **errp) { DeviceClass *dc = (DeviceClass *) object_get_class(OBJECT(dev)); @@ -1635,6 +1686,7 @@ static void amdvi_sysbus_realize(DeviceState *dev, Error **errp) } s->pci = AMD_IOMMU_PCI(pdev); + dc->vmsd = &vmstate_amdvi_sysbus_migratable; } else { s->pci = AMD_IOMMU_PCI(object_new(TYPE_AMD_IOMMU_PCI)); /* This device should take care of IOMMU PCI properties */ @@ -1685,12 +1737,6 @@ static const Property amdvi_properties[] = { DEFINE_PROP_STRING("pci-id", AMDVIState, pci_id), }; -static const VMStateDescription vmstate_amdvi_sysbus = { - .name = "amd-iommu", - .unmigratable = 1 -}; - - static void amdvi_sysbus_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass);