From b91cb44215101da1d005804392807d5785b9ebfb Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Sun, 12 Jun 2011 16:31:38 +0300
Subject: [PATCH] virtio: compat event idx support

Disable event index for compat machine types.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/pc_piix.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index a85214b7f1..1aba09f8f6 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -244,6 +244,18 @@ static QEMUMachine pc_machine_v0_13 = {
             .driver   = "PCI",
             .property = "command_serr_enable",
             .value    = "off",
+        },{
+            .driver   = "virtio-blk-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "event_idx",
+            .value    = "off",
         },
         { /* end of list */ }
     },
@@ -275,6 +287,18 @@ static QEMUMachine pc_machine_v0_12 = {
             .driver   = "PCI",
             .property = "command_serr_enable",
             .value    = "off",
+        },{
+            .driver   = "virtio-blk-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "event_idx",
+            .value    = "off",
         },
         { /* end of list */ }
     }
@@ -314,6 +338,18 @@ static QEMUMachine pc_machine_v0_11 = {
             .driver   = "PCI",
             .property = "command_serr_enable",
             .value    = "off",
+        },{
+            .driver   = "virtio-blk-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "event_idx",
+            .value    = "off",
         },
         { /* end of list */ }
     }
@@ -365,6 +401,18 @@ static QEMUMachine pc_machine_v0_10 = {
             .driver   = "PCI",
             .property = "command_serr_enable",
             .value    = "off",
+        },{
+            .driver   = "virtio-blk-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "event_idx",
+            .value    = "off",
         },
         { /* end of list */ }
     },
-- 
2.39.5