qdev/compat: compat property infrastructure.
This add support for switching devices into a compatibility mode
using device properties. Machine types can have a list of properties
for specific devices attached to allow the easy creation of machine
types compatible to older qemu versions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/boards.h b/hw/boards.h
index f6733b7..11acb89 100644
--- a/hw/boards.h
+++ b/hw/boards.h
@@ -3,6 +3,8 @@
#ifndef HW_BOARDS_H
#define HW_BOARDS_H
+#include "qdev.h"
+
typedef void QEMUMachineInitFunc(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
@@ -17,6 +19,7 @@
int use_scsi;
int max_cpus;
int is_default;
+ CompatProperty *compat_props;
struct QEMUMachine *next;
} QEMUMachine;