[Qemu-devel] [PATCH 03/22] qdev: add netdev property

[Gerd Hoffmann]

Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/qdev-properties.c |   36 ++++++++++++++++++++++++++++++++++++
 hw/qdev.h            |    4 ++++
 net.c                |    2 +-
 net.h                |    1 +
 4 files changed, 42 insertions(+), 1 deletions(-)

diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index 1d68125..76925c8 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -251,6 +251,37 @@ PropertyInfo qdev_prop_chr = {
     .print = print_chr,
 };
 
+/* --- netdev device --- */
+
+static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
+{
+    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
+
+    *ptr = qemu_find_netdev(str);
+    if (*ptr == NULL)
+        return -1;
+    return 0;
+}
+
+static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t 
len)
+{
+    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
+
+    if (*ptr && (*ptr)->name) {
+        return snprintf(dest, len, "%s", (*ptr)->name);
+    } else {
+        return snprintf(dest, len, "<null>");
+    }
+}
+
+PropertyInfo qdev_prop_netdev = {
+    .name  = "netdev",
+    .type  = PROP_TYPE_NETDEV,
+    .size  = sizeof(VLANClientState*),
+    .parse = parse_netdev,
+    .print = print_netdev,
+};
+
 /* --- pointer --- */
 
 static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len)
@@ -460,6 +491,11 @@ void qdev_prop_set_chr(DeviceState *dev, const char *name, 
CharDriverState *valu
     qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
 }
 
+void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState 
*value)
+{
+    qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
+}
+
 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
 {
     qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
diff --git a/hw/qdev.h b/hw/qdev.h
index 118e886..c0d59bc 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -79,6 +79,7 @@ enum PropertyType {
     PROP_TYPE_MACADDR,
     PROP_TYPE_DRIVE,
     PROP_TYPE_CHR,
+    PROP_TYPE_NETDEV,
     PROP_TYPE_PTR,
 };
 
@@ -227,6 +228,8 @@ extern PropertyInfo qdev_prop_pci_devfn;
     DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
 #define DEFINE_PROP_CHR(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
+#define DEFINE_PROP_NETDEV(_n, _s, _f)             \
+    DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, VLANClientState*)
 #define DEFINE_PROP_DRIVE(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_drive, DriveInfo*)
 #define DEFINE_PROP_MACADDR(_n, _s, _f)         \
@@ -245,6 +248,7 @@ void qdev_prop_set_uint32(DeviceState *dev, const char 
*name, uint32_t value);
 void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState 
*value);
+void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState 
*value);
 void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value);
 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
 /* FIXME: Remove opaque pointer properties.  */
diff --git a/net.c b/net.c
index 3b69d3b..75a01d2 100644
--- a/net.c
+++ b/net.c
@@ -2363,7 +2363,7 @@ VLANState *qemu_find_vlan(int id, int allocate)
     return vlan;
 }
 
-static VLANClientState *qemu_find_netdev(const char *id)
+VLANClientState *qemu_find_netdev(const char *id)
 {
     VLANClientState *vc;
 
diff --git a/net.h b/net.h
index 605092a..6a24f55 100644
--- a/net.h
+++ b/net.h
@@ -47,6 +47,7 @@ struct VLANState {
 };
 
 VLANState *qemu_find_vlan(int id, int allocate);
+VLANClientState *qemu_find_netdev(const char *id);
 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
                                       VLANClientState *peer,
                                       const char *model,
-- 
1.6.2.5