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[Qemu-devel] [PATCH] hw/i386: Fix IVHD entry length for AMD IOMMU


From: Jan Kiszka
Subject: [Qemu-devel] [PATCH] hw/i386: Fix IVHD entry length for AMD IOMMU
Date: Thu, 29 Mar 2018 14:51:28 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666

From: Jan Kiszka <address@hidden>

Counting from the IVHD ID field to the all-devices entry, we have 28
bytes, not 36.

Signed-off-by: Jan Kiszka <address@hidden>
---
 hw/i386/acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index deb440f286..a0cda71411 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2561,7 +2561,7 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker)
                              (1UL << 7),  /* PPRSup       */
                              1);
     /* IVHD length */
-    build_append_int_noprefix(table_data, 0x24, 2);
+    build_append_int_noprefix(table_data, 28, 2);
     /* DeviceID */
     build_append_int_noprefix(table_data, s->devid, 2);
     /* Capability offset */
-- 
2.13.6



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