diff options
Diffstat (limited to 'include/hw/i386/intel_iommu.h')
-rw-r--r-- | include/hw/i386/intel_iommu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index 032e33bcb2..016e74bedb 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -300,6 +300,12 @@ struct IntelIOMMUState { OnOffAuto intr_eim; /* Toggle for EIM cabability */ bool buggy_eim; /* Force buggy EIM unless eim=off */ uint8_t aw_bits; /* Host/IOVA address width (in bits) */ + + /* + * Protects IOMMU states in general. Currently it protects the + * per-IOMMU IOTLB cache, and context entry cache in VTDAddressSpace. + */ + QemuMutex iommu_lock; }; /* Find the VTD Address space associated with the given bus pointer, |