commit 183c5eaa41f7814ed4e83c16812c67a857eac6aa
author Gerd Hoffmann <kraxel@redhat.com> Thu Sep 13 11:08:01 2012 +0200
committer Anthony Liguori <aliguori@us.ibm.com> Tue Sep 25 18:38:18 2012 -0500
tree 8dbc9ebece23d68b4fd095efc726ef1867e4500f
parent f430694188293f99a316bfa375b7cc17d23a06ed

compat: turn off msi/msix on xhci for old machine types

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/pc_piix.c

diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 5a0796b..afd8361 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -358,14 +358,30 @@
     .is_default = 1,
 };
 
+#define PC_COMPAT_1_2 \
+        {\
+            .driver   = "nec-usb-xhci",\
+            .property = "msi",\
+            .value    = "off",\
+        },{\
+            .driver   = "nec-usb-xhci",\
+            .property = "msix",\
+            .value    = "off",\
+        }
+
 static QEMUMachine pc_machine_v1_2 = {
     .name = "pc-1.2",
     .desc = "Standard PC",
     .init = pc_init_pci,
     .max_cpus = 255,
+    .compat_props = (GlobalProperty[]) {
+        PC_COMPAT_1_2,
+        { /* end of list */ }
+    },
 };
 
 #define PC_COMPAT_1_1 \
+        PC_COMPAT_1_2,\
         {\
             .driver   = "virtio-scsi-pci",\
             .property = "hotplug",\