diff mbox

[V2,5/6] hw/acpi: report IOAPIC on IVRS

Message ID 1471278766-25277-6-git-send-email-davidkiarie4@gmail.com
State New
Headers show

Commit Message

David Kiarie Aug. 15, 2016, 4:32 p.m. UTC 
Report IOAPIC via IVRS which effectively allows linux AMD-Vi
driver to enable interrupt remapping

Signed-off-by: David Kiarie <davidkiarie4@gmail.com>
---
 hw/i386/acpi-build.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 49bd183..c2559ff 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2615,6 +2615,8 @@  build_amd_iommu(GArray *table_data, BIOSLinker *linker)
      *   Refer to Spec - Table 95:IVHD Device Entry Type Codes(4-byte)
      */
     build_append_int_noprefix(table_data, 0x0000001, 4);
+    /* IOAPIC represented as an 8-byte entry. Spec v2.62 Tables 97 */
+    build_append_int_noprefix(table_data, 0x0100a000cf000048, 8);
 
     build_header(linker, table_data, (void *)(table_data->data + iommu_start),
                  "IVRS", table_data->len - iommu_start, 1, NULL, NULL);