diff options
Diffstat (limited to 'include/hw/i386/intel_iommu.h')
| -rw-r--r-- | include/hw/i386/intel_iommu.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index 45ec8919b6..fbfedcb1c0 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -27,6 +27,7 @@ #include "hw/i386/ioapic.h" #include "hw/pci/msi.h" #include "hw/sysbus.h" +#include "qemu/iova-tree.h" #define TYPE_INTEL_IOMMU_DEVICE "intel-iommu" #define INTEL_IOMMU_DEVICE(obj) \ @@ -67,7 +68,6 @@ typedef union VTD_IR_TableEntry VTD_IR_TableEntry; typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress; typedef struct VTDIrq VTDIrq; typedef struct VTD_MSIMessage VTD_MSIMessage; -typedef struct IntelIOMMUNotifierNode IntelIOMMUNotifierNode; /* Context-Entry */ struct VTDContextEntry { @@ -93,6 +93,10 @@ struct VTDAddressSpace { MemoryRegion iommu_ir; /* Interrupt region: 0xfeeXXXXX */ IntelIOMMUState *iommu_state; VTDContextCacheEntry context_cache_entry; + QLIST_ENTRY(VTDAddressSpace) next; + /* Superset of notifier flags that this address space has */ + IOMMUNotifierFlag notifier_flags; + IOVATree *iova_tree; /* Traces mapped IOVA ranges */ }; struct VTDBus { @@ -253,11 +257,6 @@ struct VTD_MSIMessage { /* When IR is enabled, all MSI/MSI-X data bits should be zero */ #define VTD_IR_MSI_DATA (0) -struct IntelIOMMUNotifierNode { - VTDAddressSpace *vtd_as; - QLIST_ENTRY(IntelIOMMUNotifierNode) next; -}; - /* The iommu (DMAR) device state struct */ struct IntelIOMMUState { X86IOMMUState x86_iommu; @@ -295,7 +294,7 @@ struct IntelIOMMUState { GHashTable *vtd_as_by_busptr; /* VTDBus objects indexed by PCIBus* reference */ VTDBus *vtd_as_by_bus_num[VTD_PCI_BUS_MAX]; /* VTDBus objects indexed by bus number */ /* list of registered notifiers */ - QLIST_HEAD(, IntelIOMMUNotifierNode) notifiers_list; + QLIST_HEAD(, VTDAddressSpace) vtd_as_with_notifiers; /* interrupt remapping */ bool intr_enabled; /* Whether guest enabled IR */ @@ -305,6 +304,12 @@ 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, |