intel_iommu: scalable mode emulation

[mirror_qemu.git] / include / hw / i386 / intel_iommu.h

diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index ed4e758273385122e7442eb84fabb427edf63208..72c5ca6a59ec3bee5828cb4cce53415c9090bc17 100644 (file)
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -66,11 +66,20 @@ typedef struct VTDIOTLBEntry VTDIOTLBEntry;
 typedef struct VTDBus VTDBus;
 typedef union VTD_IR_TableEntry VTD_IR_TableEntry;
 typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress;
+typedef struct VTDPASIDDirEntry VTDPASIDDirEntry;
+typedef struct VTDPASIDEntry VTDPASIDEntry;
 
 /* Context-Entry */
 struct VTDContextEntry {
-    uint64_t lo;
-    uint64_t hi;
+    union {
+        struct {
+            uint64_t lo;
+            uint64_t hi;
+        };
+        struct {
+            uint64_t val[4];
+        };
+    };
 };
 
 struct VTDContextCacheEntry {
@@ -81,6 +90,16 @@ struct VTDContextCacheEntry {
     struct VTDContextEntry context_entry;
 };
 
+/* PASID Directory Entry */
+struct VTDPASIDDirEntry {
+    uint64_t val;
+};
+
+/* PASID Table Entry */
+struct VTDPASIDEntry {
+    uint64_t val[8];
+};
+
 struct VTDAddressSpace {
     PCIBus *bus;
     uint8_t devfn;
@@ -212,6 +231,7 @@ struct IntelIOMMUState {
 
     dma_addr_t root;                /* Current root table pointer */
     bool root_extended;             /* Type of root table (extended or not) */
+    bool root_scalable;             /* Type of root table (scalable or not) */
     bool dmar_enabled;              /* Set if DMA remapping is enabled */
 
     uint16_t iq_head;               /* Current invalidation queue head */
@@ -245,6 +265,7 @@ 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) */
+    bool dma_drain;                 /* Whether DMA r/w draining enabled */
 
     /*
      * Protects IOMMU states in general.  Currently it protects the