From: Thomas Huth <th...@redhat.com>

After reading the guest memory with dma_memory_read(), we have
to make sure that we byteswap the little endian data to the host's
byte order.

Signed-off-by: Thomas Huth <th...@redhat.com>
Message-Id: <20230802135723.178083-2-th...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Reviewed-by: Peter Xu <pet...@redhat.com>
(cherry picked from commit cc2a08480e19007c05be8fe5b6893e20448954dc)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index d025ef2873..6dca977464 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -755,6 +755,8 @@ static int vtd_get_pdire_from_pdir_table(dma_addr_t 
pasid_dir_base,
         return -VTD_FR_PASID_TABLE_INV;
     }
 
+    pdire->val = le64_to_cpu(pdire->val);
+
     return 0;
 }
 
@@ -779,6 +781,9 @@ static int vtd_get_pe_in_pasid_leaf_table(IntelIOMMUState 
*s,
                         pe, entry_size, MEMTXATTRS_UNSPECIFIED)) {
         return -VTD_FR_PASID_TABLE_INV;
     }
+    for (size_t i = 0; i < ARRAY_SIZE(pe->val); i++) {
+        pe->val[i] = le64_to_cpu(pe->val[i]);
+    }
 
     /* Do translation type check */
     if (!vtd_pe_type_check(x86_iommu, pe)) {
-- 
2.39.2


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