typedef struct VTDBus VTDBus;
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 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 {
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;
uint32_t data;
};
-/* Generic IRQ entry information */
-struct VTDIrq {
- /* Used by both IOAPIC/MSI interrupt remapping */
- uint8_t trigger_mode;
- uint8_t vector;
- uint8_t delivery_mode;
- uint32_t dest;
- uint8_t dest_mode;
-
- /* only used by MSI interrupt remapping */
- uint8_t redir_hint;
- uint8_t msi_addr_last_bits;
-};
-
-struct VTD_MSIMessage {
- union {
- struct {
-#ifdef HOST_WORDS_BIGENDIAN
- uint32_t __addr_head:12; /* 0xfee */
- uint32_t dest:8;
- uint32_t __reserved:8;
- uint32_t redir_hint:1;
- uint32_t dest_mode:1;
- uint32_t __not_used:2;
-#else
- uint32_t __not_used:2;
- uint32_t dest_mode:1;
- uint32_t redir_hint:1;
- uint32_t __reserved:8;
- uint32_t dest:8;
- uint32_t __addr_head:12; /* 0xfee */
-#endif
- uint32_t __addr_hi;
- } QEMU_PACKED;
- uint64_t msi_addr;
- };
- union {
- struct {
-#ifdef HOST_WORDS_BIGENDIAN
- uint16_t trigger_mode:1;
- uint16_t level:1;
- uint16_t __resved:3;
- uint16_t delivery_mode:3;
- uint16_t vector:8;
-#else
- uint16_t vector:8;
- uint16_t delivery_mode:3;
- uint16_t __resved:3;
- uint16_t level:1;
- uint16_t trigger_mode:1;
-#endif
- uint16_t __resved1;
- } QEMU_PACKED;
- uint32_t msi_data;
- };
-};
-
/* When IR is enabled, all MSI/MSI-X data bits should be zero */
#define VTD_IR_MSI_DATA (0)
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 */
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