qdev: add id= support for pci nics.

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

hw/pci.c

@@ -822,6 +822,8 @@ PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model,
         if (strcmp(nd->model, pci_nic_models[i]) == 0) {
             pci_dev = pci_create(pci_nic_names[i], devaddr);
             dev = &pci_dev->qdev;
+            if (nd->id)
+                dev->id = qemu_strdup(nd->id);
             dev->nd = nd;
             qdev_init(dev);
             nd->private = dev;

net.c

@@ -2428,7 +2428,7 @@ int net_client_init(Monitor *mon, const char *device, const char *p)
     }
     if (!strcmp(device, "nic")) {
         static const char * const nic_params[] = {
-            "vlan", "name", "macaddr", "model", "addr", "vectors", NULL
+            "vlan", "name", "macaddr", "model", "addr", "id", "vectors", NULL
         };
         NICInfo *nd;
         uint8_t *macaddr;
@@ -2466,6 +2466,9 @@ int net_client_init(Monitor *mon, const char *device, const char *p)
         if (get_param_value(buf, sizeof(buf), "addr", p)) {
             nd->devaddr = strdup(buf);
         }
+        if (get_param_value(buf, sizeof(buf), "id", p)) {
+            nd->id = strdup(buf);
+        }
         nd->nvectors = NIC_NVECTORS_UNSPECIFIED;
         if (get_param_value(buf, sizeof(buf), "vectors", p)) {
             char *endptr;

net.h

@@ -95,6 +95,7 @@ struct NICInfo {
     const char *model;
     const char *name;
     const char *devaddr;
+    const char *id;
     VLANState *vlan;
     VLANClientState *vc;
     void *private;