AMD IOMMU does not support ppr and hardware error registers. Hence do not publish these features to guest through extended feature MMIO register and IVHD 10h flags field.
Signed-off-by: Sairaj Kodilkar <[email protected]> --- hw/i386/acpi-build.c | 3 +-- hw/i386/amd_iommu.h | 5 ++--- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 656a693e661f..749a1fe0d27e 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1935,8 +1935,7 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker, const char *oem_id, build_append_int_noprefix(table_data, (1UL << 0) | /* HtTunEn */ (1UL << 4) | /* iotblSup */ - (1UL << 6) | /* PrefSup */ - (1UL << 7), /* PPRSup */ + (1UL << 6), /* PrefSup */ 1); /* IVHD length */ diff --git a/hw/i386/amd_iommu.h b/hw/i386/amd_iommu.h index 319db1861820..c5b346cc356c 100644 --- a/hw/i386/amd_iommu.h +++ b/hw/i386/amd_iommu.h @@ -227,9 +227,8 @@ /* default extended feature */ #define AMDVI_DEFAULT_EXT_FEATURES \ - (AMDVI_FEATURE_PREFETCH | AMDVI_FEATURE_PPR | \ - AMDVI_FEATURE_IA | AMDVI_FEATURE_GT | AMDVI_FEATURE_HE | \ - AMDVI_GATS_MODE | AMDVI_HATS_MODE | AMDVI_FEATURE_GA) + (AMDVI_FEATURE_PREFETCH | AMDVI_FEATURE_IA | AMDVI_FEATURE_GT | \ + AMDVI_GATS_MODE | AMDVI_HATS_MODE | AMDVI_FEATURE_GA) /* capabilities header */ #define AMDVI_CAPAB_FEATURES (AMDVI_CAPAB_FLAT_EXT | \ -- 2.34.1
