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charset="utf-8" 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/sp= ecifications/48882_IOMMU.pdf Cc: Gerd Hoffmann Signed-off-by: Suravee Suthikulpanit Reviewed-by: Daniel P. Berrang=C3=A9 --- 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``) =20 All these devices are documented in :doc:`index`. =20 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 =3D DEVICE_CLASS(klass); PCIDeviceClass *k =3D PCI_DEVICE_CLASS(klass); =20 - k->vendor_id =3D PCI_VENDOR_ID_AMD; + k->vendor_id =3D PCI_VENDOR_ID_REDHAT; + k->device_id =3D PCI_DEVICE_ID_REDHAT_AMD_IOMMU; k->class_id =3D 0x0806; k->realize =3D amdvi_pci_realize; =20 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 =20 #define FMT_PCIBUS PRIx64 --=20 2.34.1