hw/i386/intel_iommu: Fix struct VTDInvDescIEC on big endian hosts
On big endian hosts, we need to reverse the bitfield order in the
struct VTDInvDescIEC, just like it is already done for the other
bitfields in the various structs of the intel-iommu device.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-4-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index 2e61eec..e1450c5 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -321,12 +321,21 @@
/* Interrupt Entry Cache Invalidation Descriptor: VT-d 6.5.2.7. */
struct VTDInvDescIEC {
+#if HOST_BIG_ENDIAN
+ uint64_t reserved_2:16;
+ uint64_t index:16; /* Start index to invalidate */
+ uint64_t index_mask:5; /* 2^N for continuous int invalidation */
+ uint64_t resved_1:22;
+ uint64_t granularity:1; /* If set, it's global IR invalidation */
+ uint64_t type:4; /* Should always be 0x4 */
+#else
uint32_t type:4; /* Should always be 0x4 */
uint32_t granularity:1; /* If set, it's global IR invalidation */
uint32_t resved_1:22;
uint32_t index_mask:5; /* 2^N for continuous int invalidation */
uint32_t index:16; /* Start index to invalidate */
uint32_t reserved_2:16;
+#endif
};
typedef struct VTDInvDescIEC VTDInvDescIEC;
