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>
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@ -218,7 +218,7 @@ static void vtd_reset_iotlb(IntelIOMMUState *s)
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g_hash_table_remove_all(s->iotlb);
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g_hash_table_remove_all(s->iotlb);
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}
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}
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static uint64_t vtd_get_iotlb_key(uint64_t gfn, uint8_t source_id,
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static uint64_t vtd_get_iotlb_key(uint64_t gfn, uint16_t source_id,
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uint32_t level)
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uint32_t level)
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{
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{
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return gfn | ((uint64_t)(source_id) << VTD_IOTLB_SID_SHIFT) |
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return gfn | ((uint64_t)(source_id) << VTD_IOTLB_SID_SHIFT) |
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@ -115,7 +115,7 @@
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/* The shift of source_id in the key of IOTLB hash table */
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/* The shift of source_id in the key of IOTLB hash table */
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#define VTD_IOTLB_SID_SHIFT 36
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#define VTD_IOTLB_SID_SHIFT 36
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#define VTD_IOTLB_LVL_SHIFT 44
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#define VTD_IOTLB_LVL_SHIFT 52
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#define VTD_IOTLB_MAX_SIZE 1024 /* Max size of the hash table */
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#define VTD_IOTLB_MAX_SIZE 1024 /* Max size of the hash table */
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/* IOTLB_REG */
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/* IOTLB_REG */
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