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Thu, 26 Jan 2023 10:50:57 -0800 Received: from drhqmail202.nvidia.com (10.126.190.181) by drhqmail201.nvidia.com (10.126.190.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Thu, 26 Jan 2023 10:50:56 -0800 Received: from vdi.nvidia.com (10.127.8.9) by mail.nvidia.com (10.126.190.181) with Microsoft SMTP Server id 15.2.986.36 via Frontend Transport; Thu, 26 Jan 2023 10:50:52 -0800 From: Avihai Horon To: CC: Alex Williamson , "Michael S. Tsirkin" , Peter Xu , Jason Wang , Marcel Apfelbaum , "Paolo Bonzini" , Richard Henderson , Eduardo Habkost , "David Hildenbrand" , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Yishai Hadas , Jason Gunthorpe , Maor Gottlieb , Avihai Horon , Kirti Wankhede , Tarun Gupta , Joao Martins Subject: [PATCH 14/18] intel-iommu: Implement get_attr() method Date: Thu, 26 Jan 2023 20:49:44 +0200 Message-ID: <20230126184948.10478-15-avihaih@nvidia.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20230126184948.10478-1-avihaih@nvidia.com> References: <20230126184948.10478-1-avihaih@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT014:EE_|CY5PR12MB6429:EE_ X-MS-Office365-Filtering-Correlation-Id: 9d541ad8-6ea7-4957-c678-08daffce49c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Y4H6jhYRVLHJtUG7E/asE23o0z3VdSKduwrcvMtwZxhWHG2CtcwtKW97RiKvnbM6waB+amXIv/pxoZrB0G3ljAV+ahm9IQ3I6uqZG8omDs23oiq34DK9WHFTWV6o73lYyc7b11tvZWxElR6xWeQ/2vZ+A0A+b2EmOSzGH/+dUV6NL/al/wzH5rIUdp3+5mjukpEuUzt+iPDotrsPWJp6atIZOVsKU6g4USeOyO0M7DERRmi/ZHmtcHdn6RE00anU/jueOplN81lOkSm1w687CCMbnUsKxDPisbUh4BZTVQtxxFRCUv4QiFQtKnfRauG0QzutdIURDGYtDeYx8xdpyb5vvdLFaQL4C40LROhEKXlM8nKHopbjdaEfyZJbiehb8vDOH+IiYZkAf+Pqr+fCLj36VEZ/3ew+cRjWu8DjuV2pcVF1ibK1UCj6WDRUT9dvJ93ffC9+Gc+SfLQLUVz+22qUoXvQZQwOdQy1GJ8Qdn89xLFzuyE8bvdd++fjRK9TL1JK1ddx2sSkRm2hDbkKDLrnNLk/C5otSDukVE8/py3IuCsiDB4WQzCjV0mWYw01MyCayaCwF1ZH3jGQsPty/IwrIzD3OGg8UC9a8bYYgKNkR+IgwMpZQ32EehlhcaZ0B915KKzjusRjNoBcM3ng34cz9D2Oe4qBDtqR3SHUKOZn6mo0rgODA3qBDt303zQyF6843Y4lvCLPTCsY7TSkdA== X-Forefront-Antispam-Report: CIP:216.228.118.232; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge1.nvidia.com; CAT:NONE; SFS:(13230025)(4636009)(396003)(136003)(376002)(346002)(39860400002)(451199018)(46966006)(40470700004)(36840700001)(5660300002)(36860700001)(86362001)(186003)(2616005)(2906002)(82740400003)(4326008)(7636003)(82310400005)(7416002)(41300700001)(356005)(8936002)(54906003)(40460700003)(40480700001)(426003)(70206006)(8676002)(6666004)(6916009)(316002)(336012)(478600001)(7696005)(47076005)(26005)(70586007)(36756003)(1076003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jan 2023 18:51:09.1125 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9d541ad8-6ea7-4957-c678-08daffce49c0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.232]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT014.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6429 Received-SPF: softfail client-ip=2a01:111:f400:7eaa::601; envelope-from=avihaih@nvidia.com; helo=NAM11-DM6-obe.outbound.protection.outlook.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, 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 Implement get_attr() method and use the address width property to report the IOMMU_ATTR_MAX_IOVA attribute. Signed-off-by: Avihai Horon Acked-by: Peter Xu --- hw/i386/intel_iommu.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 98a5c304a7..b0068b0df4 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -3841,6 +3841,23 @@ static void vtd_iommu_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n) return; } +static int vtd_iommu_get_attr(IOMMUMemoryRegion *iommu_mr, + enum IOMMUMemoryRegionAttr attr, void *data) +{ + VTDAddressSpace *vtd_as = container_of(iommu_mr, VTDAddressSpace, iommu); + IntelIOMMUState *s = vtd_as->iommu_state; + + if (attr == IOMMU_ATTR_MAX_IOVA) { + hwaddr *max_iova = data; + + *max_iova = (1ULL << s->aw_bits) - 1; + + return 0; + } + + return -EINVAL; +} + /* Do the initialization. It will also be called when reset, so pay * attention when adding new initialization stuff. */ @@ -4173,6 +4190,7 @@ static void vtd_iommu_memory_region_class_init(ObjectClass *klass, imrc->translate = vtd_iommu_translate; imrc->notify_flag_changed = vtd_iommu_notify_flag_changed; imrc->replay = vtd_iommu_replay; + imrc->get_attr = vtd_iommu_get_attr; } static const TypeInfo vtd_iommu_memory_region_info = {