diff options
Diffstat (limited to 'hw/i386/amd_iommu.h')
| -rw-r--r-- | hw/i386/amd_iommu.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/hw/i386/amd_iommu.h b/hw/i386/amd_iommu.h index 2476296c49..daf82fc85f 100644 --- a/hw/i386/amd_iommu.h +++ b/hw/i386/amd_iommu.h @@ -126,6 +126,10 @@ #define AMDVI_CMD_COMPLETE_PPR_REQUEST 0x07 #define AMDVI_CMD_INVAL_AMDVI_ALL 0x08 + +#define AMDVI_CMD_INVAL_IOMMU_PAGES_S (1ULL << 0) +#define AMDVI_INV_ALL_PAGES (1ULL << 52) + #define AMDVI_DEVTAB_ENTRY_SIZE 32 /* Device table entry bits 0:63 */ @@ -173,6 +177,47 @@ /* AMDVI paging mode */ #define AMDVI_GATS_MODE (2ULL << 12) #define AMDVI_HATS_MODE (2ULL << 10) +#define AMDVI_HATS_MODE_RESERVED (3ULL << 10) + +/* Page Table format */ + +#define AMDVI_PTE_PR (1ULL << 0) +#define AMDVI_PTE_NEXT_LEVEL_MASK GENMASK64(11, 9) + +#define IOMMU_PTE_PRESENT(pte) ((pte) & AMDVI_PTE_PR) + +/* Using level=0 for leaf PTE at 4K page size */ +#define PT_LEVEL_SHIFT(level) (12 + ((level) * 9)) + +/* Return IOVA bit group used to index the Page Table at specific level */ +#define PT_LEVEL_INDEX(level, iova) (((iova) >> PT_LEVEL_SHIFT(level)) & \ + GENMASK64(8, 0)) + +/* Return the max address for a specified level i.e. max_oaddr */ +#define PT_LEVEL_MAX_ADDR(x) (((x) < 5) ? \ + ((1ULL << PT_LEVEL_SHIFT((x + 1))) - 1) : \ + (~(0ULL))) + +/* Extract the NextLevel field from PTE/PDE */ +#define PTE_NEXT_LEVEL(pte) (((pte) & AMDVI_PTE_NEXT_LEVEL_MASK) >> 9) + +/* Take page table level and return default pagetable size for level */ +#define PTE_LEVEL_PAGE_SIZE(level) (1ULL << (PT_LEVEL_SHIFT(level))) + +/* + * Return address of lower level page table encoded in PTE and specified by + * current level and corresponding IOVA bit group at such level. + */ +#define NEXT_PTE_ADDR(pte, level, iova) (((pte) & AMDVI_DEV_PT_ROOT_MASK) + \ + (PT_LEVEL_INDEX(level, iova) * 8)) + +/* + * Take a PTE value with mode=0x07 and return the page size it encodes. + */ +#define PTE_LARGE_PAGE_SIZE(pte) (1ULL << (1 + cto64(((pte) | 0xfffULL)))) + +/* Return number of PTEs to use for a given page size (expected power of 2) */ +#define PAGE_SIZE_PTE_COUNT(pgsz) (1ULL << ((ctz64(pgsz) - 12) % 9)) /* IOTLB */ #define AMDVI_IOTLB_MAX_SIZE 1024 @@ -365,12 +410,18 @@ struct AMDVIState { /* for each served device */ AMDVIAddressSpace **address_spaces[PCI_BUS_MAX]; + /* list of address spaces with registered notifiers */ + QLIST_HEAD(, AMDVIAddressSpace) amdvi_as_with_notifiers; + /* IOTLB */ GHashTable *iotlb; /* Interrupt remapping */ bool ga_enabled; bool xtsup; + + /* DMA address translation */ + bool dma_remap; }; uint64_t amdvi_extended_feature_register(AMDVIState *s); |