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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(82310400026)(376014)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Mar 2025 18:38:06.4028 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ba2eb8c4-0d57-470b-9b36-08dd5b4bb471 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: BN2PEPF000055E1.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6369 Received-SPF: permerror client-ip=2a01:111:f403:2409::617; envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM04-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, 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 The QEMU-emulated AMD IOMMU PCI device is implemented based on the AMD I/O Virtualization Technology (IOMMU) Specification [1]. The PCI id for this device is platform-specific. Currently, the QEMU-emulated AMD IOMMU device is using AMD vendor id and undefined device id. Therefore, change the vendor id to Red Hat and request a new QEMU-specific device id. [1] https://www.amd.com/content/dam/amd/en/documents/processor-tech-docs/specifications/48882_IOMMU.pdf Cc: Gerd Hoffmann Signed-off-by: Suravee Suthikulpanit Reviewed-by: Daniel P. Berrangé --- docs/specs/pci-ids.rst | 2 ++ hw/i386/amd_iommu.c | 3 ++- include/hw/pci/pci.h | 1 + 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/specs/pci-ids.rst b/docs/specs/pci-ids.rst index 261b0f359f..2416a70a2d 100644 --- a/docs/specs/pci-ids.rst +++ b/docs/specs/pci-ids.rst @@ -100,6 +100,8 @@ PCI devices (other than virtio): PCI UFS device (``-device ufs``) 1b36:0014 PCI RISC-V IOMMU device +1b36:0015 + PCI AMD IOMMU device (``-device amd-iommu``) All these devices are documented in :doc:`index`. diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index dda1a5781f..4d8564249c 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1766,7 +1766,8 @@ static void amdvi_pci_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - k->vendor_id = PCI_VENDOR_ID_AMD; + k->vendor_id = PCI_VENDOR_ID_REDHAT; + k->device_id = PCI_DEVICE_ID_REDHAT_AMD_IOMMU; k->class_id = 0x0806; k->realize = amdvi_pci_realize; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 4002bbeebd..da44e6673d 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -117,6 +117,7 @@ extern bool pci_available; #define PCI_DEVICE_ID_REDHAT_ACPI_ERST 0x0012 #define PCI_DEVICE_ID_REDHAT_UFS 0x0013 #define PCI_DEVICE_ID_REDHAT_RISCV_IOMMU 0x0014 +#define PCI_DEVICE_ID_REDHAT_AMD_IOMMU 0x0015 #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 #define FMT_PCIBUS PRIx64