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| author | Jason Wang <jasowang@redhat.com> | 2016-11-03 09:22:23 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-11-15 17:20:36 +0200 |
| commit | bacabb0afadb47294806481a7ebb6fa5d4f1c7bd (patch) | |
| tree | 71ed1d5be2761469f2992b27af332c6fc6a95f8e /hw/i386/intel_iommu_internal.h | |
| parent | 6bbcb76301a72dc80c8d29af13d40bb9a759c9c6 (diff) | |
| download | focaccia-qemu-bacabb0afadb47294806481a7ebb6fa5d4f1c7bd.tar.gz focaccia-qemu-bacabb0afadb47294806481a7ebb6fa5d4f1c7bd.zip | |
intel_iommu: fixing source id during IOTLB hash key calculation
Using uint8_t for source id will lose bus num and get the wrong/invalid IOTLB entry. Fixing by using uint16_t instead and enlarge level shift. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index 0829a5064f..11abfa2233 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -115,7 +115,7 @@ /* The shift of source_id in the key of IOTLB hash table */ #define VTD_IOTLB_SID_SHIFT 36 -#define VTD_IOTLB_LVL_SHIFT 44 +#define VTD_IOTLB_LVL_SHIFT 52 #define VTD_IOTLB_MAX_SIZE 1024 /* Max size of the hash table */ /* IOTLB_REG */ |