pci: Permit incremental conversion of device models to realize

Call the new PCIDeviceClass method realize().  Default it to
pci_default_realize(), which calls old method init().

To convert a device model, make it implement realize() rather than
init().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index bdee464..3164fc3 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -185,7 +185,8 @@ typedef struct PCIINTxRoute {
 typedef struct PCIDeviceClass {
     DeviceClass parent_class;
 
-    int (*init)(PCIDevice *dev);
+    void (*realize)(PCIDevice *dev, Error **errp);
+    int (*init)(PCIDevice *dev);/* TODO convert to realize() and remove */
     PCIUnregisterFunc *exit;
     PCIConfigReadFunc *config_read;
     PCIConfigWriteFunc *config_write;