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| author | Le Tan <tamlokveer@gmail.com> | 2014-08-16 13:55:42 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-08-28 23:10:22 +0200 |
| commit | ed7b8fbcfb888716c850c8f908f5b5329de46d7c (patch) | |
| tree | 54fdb4cd840442d09ceb8cff588ab02929745ca3 /hw/i386/intel_iommu_internal.h | |
| parent | ac40aa1540baffb4984c80822da618ebb3180a4d (diff) | |
| download | focaccia-qemu-ed7b8fbcfb888716c850c8f908f5b5329de46d7c.tar.gz focaccia-qemu-ed7b8fbcfb888716c850c8f908f5b5329de46d7c.zip | |
intel-iommu: add supports for queued invalidation interface
Add supports for queued invalidation interface, an expended invalidation interface with extended capabilities. Signed-off-by: Le Tan <tamlokveer@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/intel_iommu_internal.h')
| -rw-r--r-- | hw/i386/intel_iommu_internal.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index 7ca034d8e6..cbcc8d1e3b 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -255,12 +255,27 @@ typedef enum VTDFaultReason { VTD_FR_MAX, /* Guard */ } VTDFaultReason; -/* Masks for Queued Invalidation Descriptor */ -#define VTD_INV_DESC_TYPE 0xf -#define VTD_INV_DESC_CC 0x1 /* Context-cache Invalidate Desc */ -#define VTD_INV_DESC_IOTLB 0x2 -#define VTD_INV_DESC_WAIT 0x5 /* Invalidation Wait Descriptor */ -#define VTD_INV_DESC_NONE 0 /* Not an Invalidate Descriptor */ +/* Queued Invalidation Descriptor */ +struct VTDInvDesc { + uint64_t lo; + uint64_t hi; +}; +typedef struct VTDInvDesc VTDInvDesc; + +/* Masks for struct VTDInvDesc */ +#define VTD_INV_DESC_TYPE 0xf +#define VTD_INV_DESC_CC 0x1 /* Context-cache Invalidate Desc */ +#define VTD_INV_DESC_IOTLB 0x2 +#define VTD_INV_DESC_WAIT 0x5 /* Invalidation Wait Descriptor */ +#define VTD_INV_DESC_NONE 0 /* Not an Invalidate Descriptor */ + +/* Masks for Invalidation Wait Descriptor*/ +#define VTD_INV_DESC_WAIT_SW (1ULL << 5) +#define VTD_INV_DESC_WAIT_IF (1ULL << 4) +#define VTD_INV_DESC_WAIT_FN (1ULL << 6) +#define VTD_INV_DESC_WAIT_DATA_SHIFT 32 +#define VTD_INV_DESC_WAIT_RSVD_LO 0Xffffff80ULL +#define VTD_INV_DESC_WAIT_RSVD_HI 3ULL /* Pagesize of VTD paging structures, including root and context tables */ #define VTD_PAGE_SHIFT 12 |