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| author | Liu, Yi L | 2019-03-05 03:34:54 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin | 2019-03-13 03:31:21 +0100 |
| commit | c0c1d351849bc249304e0c505e1597e570d1e777 (patch) | |
| tree | 8f0b6665a0985b60b1f4edac39755d12189499c1 /hw/i386/intel_iommu_internal.h | |
| parent | intel_iommu: scalable mode emulation (diff) | |
| download | qemu-c0c1d351849bc249304e0c505e1597e570d1e777.tar.gz qemu-c0c1d351849bc249304e0c505e1597e570d1e777.tar.xz qemu-c0c1d351849bc249304e0c505e1597e570d1e777.zip | |
intel_iommu: add 256 bits qi_desc support
Per Intel(R) VT-d 3.0, the qi_desc is 256 bits in Scalable
Mode. This patch adds emulation of 256bits qi_desc.
Signed-off-by: Liu, Yi L <yi.l.liu@intel.com>
[Yi Sun is co-developer to rebase and refine the patch.]
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1551753295-30167-3-git-send-email-yi.y.sun@linux.intel.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 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index fe72bc38f0..016fa4c7c5 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -190,6 +190,7 @@ #define VTD_ECAP_EIM (1ULL << 4) #define VTD_ECAP_PT (1ULL << 6) #define VTD_ECAP_MHMV (15ULL << 20) +#define VTD_ECAP_SMTS (1ULL << 43) /* CAP_REG */ /* (offset >> 4) << 24 */ @@ -218,11 +219,14 @@ #define VTD_CAP_SAGAW_48bit (0x4ULL << VTD_CAP_SAGAW_SHIFT) /* IQT_REG */ -#define VTD_IQT_QT(val) (((val) >> 4) & 0x7fffULL) +#define VTD_IQT_QT(dw_bit, val) (dw_bit ? (((val) >> 5) & 0x3fffULL) : \ + (((val) >> 4) & 0x7fffULL)) +#define VTD_IQT_QT_256_RSV_BIT 0x10 /* IQA_REG */ #define VTD_IQA_IQA_MASK(aw) (VTD_HAW_MASK(aw) ^ 0xfffULL) #define VTD_IQA_QS 0x7ULL +#define VTD_IQA_DW_MASK 0x800 /* IQH_REG */ #define VTD_IQH_QH_SHIFT 4 @@ -324,6 +328,9 @@ union VTDInvDesc { uint64_t lo; uint64_t hi; }; + struct { + uint64_t val[4]; + }; union { VTDInvDescIEC iec; }; |