diff options
| -rw-r--r-- | hw/i386/intel_iommu.c | 8 | ||||
| -rw-r--r-- | hw/i386/intel_iommu_internal.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 2fc3866433..4c0d1d7d47 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2692,6 +2692,14 @@ static bool vtd_process_iotlb_desc(IntelIOMMUState *s, VTDInvDesc *inv_desc) static bool vtd_process_inv_iec_desc(IntelIOMMUState *s, VTDInvDesc *inv_desc) { + uint64_t mask[4] = {VTD_INV_DESC_IEC_RSVD, VTD_INV_DESC_ALL_ONE, + VTD_INV_DESC_ALL_ONE, VTD_INV_DESC_ALL_ONE}; + + if (!vtd_inv_desc_reserved_check(s, inv_desc, mask, false, + __func__, "iec inv")) { + return false; + } + trace_vtd_inv_desc_iec(inv_desc->iec.granularity, inv_desc->iec.index, inv_desc->iec.index_mask); diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index 75ccd501b0..4323fc5d6d 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -410,6 +410,9 @@ typedef union VTDInvDesc VTDInvDesc; #define VTD_INV_DESC_DEVICE_IOTLB_RSVD_HI 0xffeULL #define VTD_INV_DESC_DEVICE_IOTLB_RSVD_LO 0xffff0000ffe0f1f0 +/* Masks for Interrupt Entry Invalidate Descriptor */ +#define VTD_INV_DESC_IEC_RSVD 0xffff000007fff1e0ULL + /* Rsvd field masks for spte */ #define VTD_SPTE_SNP 0x800ULL |