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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Restore configurability of vif bring up script and passing arguments to the script.
# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID edd1616cf8cb6f0d7ab32600a27d3a98ac8414b2
# Parent af78c9d526e0b3502629fb0ef09064920157c0c5
Restore configurability of vif bring up script and passing arguments to the
script.
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
diff -r af78c9d526e0 -r edd1616cf8cb
linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Thu Sep 1 10:45:50 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Fri Sep 2 14:15:49 2005
@@ -160,9 +160,47 @@
}
#endif
+ kobject_hotplug(&dev->dev.kobj, KOBJ_ONLINE);
+
/* Pass in NULL node to skip exist test. */
frontend_changed(&be->watch, NULL);
}
+}
+
+static int netback_hotplug(struct xenbus_device *xdev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
+{
+ struct backend_info *be;
+ netif_t *netif;
+ char **key, *val;
+ int i = 0, length = 0;
+ static char *env_vars[] = { "script", "domain", "mac", "bridge", "ip",
+ NULL };
+
+ be = xdev->data;
+ netif = be->netif;
+
+ add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "vif=%s", netif->dev->name);
+
+ key = env_vars;
+ while (*key != NULL) {
+ val = xenbus_read(xdev->nodename, *key, NULL);
+ if (!IS_ERR(val)) {
+ char buf[strlen(*key) + 4];
+ sprintf(buf, "%s=%%s", *key);
+ add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ buf, val);
+ kfree(val);
+ }
+ key++;
+ }
+
+ envp[i] = NULL;
+
+ return 0;
}
static int netback_probe(struct xenbus_device *dev,
@@ -249,6 +287,7 @@
.ids = netback_ids,
.probe = netback_probe,
.remove = netback_remove,
+ .hotplug = netback_hotplug,
};
void netif_xenbus_init(void)
diff -r af78c9d526e0 -r edd1616cf8cb
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c Thu Sep 1
10:45:50 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c Fri Sep 2
14:15:49 2005
@@ -147,6 +147,39 @@
return 0;
}
+static int xenbus_hotplug_backend(struct device *dev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
+{
+ struct xenbus_device *xdev;
+ int i = 0;
+ int length = 0;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ xdev = to_xenbus_device(dev);
+ if (xdev == NULL)
+ return -ENODEV;
+
+ /* stuff we want to pass to /sbin/hotplug */
+ add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "XENBUS_TYPE=%s", xdev->devicetype);
+
+ /* terminate, set to next free slot, shrink available space */
+ envp[i] = NULL;
+ envp = &envp[i];
+ num_envp -= i;
+ buffer = &buffer[length];
+ buffer_size -= length;
+
+ if (dev->driver && to_xenbus_driver(dev->driver)->hotplug)
+ return to_xenbus_driver(dev->driver)->hotplug
+ (xdev, envp, num_envp, buffer, buffer_size);
+
+ return 0;
+}
+
static int xenbus_probe_backend(const char *type, const char *uuid);
static struct xen_bus_type xenbus_backend = {
.root = "backend",
@@ -156,6 +189,7 @@
.bus = {
.name = "xen-backend",
.match = xenbus_match,
+ .hotplug = xenbus_hotplug_backend,
},
.dev = {
.bus_id = "xen-backend",
diff -r af78c9d526e0 -r edd1616cf8cb
linux-2.6-xen-sparse/include/asm-xen/xenbus.h
--- a/linux-2.6-xen-sparse/include/asm-xen/xenbus.h Thu Sep 1 10:45:50 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/xenbus.h Fri Sep 2 14:15:49 2005
@@ -64,6 +64,7 @@
int (*remove)(struct xenbus_device *dev);
int (*suspend)(struct xenbus_device *dev);
int (*resume)(struct xenbus_device *dev);
+ int (*hotplug)(struct xenbus_device *, char **, int, char *, int);
struct device_driver driver;
};
diff -r af78c9d526e0 -r edd1616cf8cb tools/examples/xen-backend.agent
--- a/tools/examples/xen-backend.agent Thu Sep 1 10:45:50 2005
+++ b/tools/examples/xen-backend.agent Fri Sep 2 14:15:49 2005
@@ -1,21 +1,25 @@
#! /bin/sh
+#ACTION=add
#DEVPATH=/devices/xen-backend/vif-1-0
-#ACTION=add
+#PHYSDEVDRIVER=vif
+#XENBUS_TYPE=vif
PATH=/etc/xen/scripts:$PATH
-DEV=$(basename "$DEVPATH")
case "$ACTION" in
add)
- case "$DEV" in
- vif-*)
- vif=$(echo "$DEV" | sed 's/-\([0-9]*\)-\([0-9]*\)/\1.\2/')
- vif-bridge up domain=unknown vif="$vif" mac=fe:ff:ff:ff:ff:ff
bridge=xen-br0 >/dev/null 2>&1
+ ;;
+ remove)
+ ;;
+ online)
+ case "$PHYSDEVDRIVER" in
+ vif)
+ [ -n "$script" ] && $script up
;;
esac
;;
- remove)
+ offline)
;;
esac
diff -r af78c9d526e0 -r edd1616cf8cb tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Thu Sep 1 10:45:50 2005
+++ b/tools/python/xen/xend/XendDomainInfo.py Fri Sep 2 14:15:49 2005
@@ -430,6 +430,15 @@
return
if type == 'vif':
+ from xen.xend import XendRoot
+ xroot = XendRoot.instance()
+
+ def _get_config_ipaddr(config):
+ val = []
+ for ipaddr in sxp.children(config, elt='ip'):
+ val.append(sxp.child0(ipaddr))
+ return val
+
backdom = domain_exists(sxp.child_value(devconfig, 'backend', '0'))
log.error(devconfig)
@@ -437,6 +446,14 @@
devnum = self.netif_idx
self.netif_idx += 1
+ script = sxp.child_value(devconfig, 'script',
+ xroot.get_vif_script())
+ script = os.path.join(xroot.network_script_dir, script)
+ bridge = sxp.child_value(devconfig, 'bridge',
+ xroot.get_vif_bridge())
+ mac = sxp.child_value(devconfig, 'mac')
+ ipaddr = _get_config_ipaddr(devconfig)
+
# create backend db
backdb = backdom.db.addChild("/backend/%s/%s/%d" %
(type, self.uuid, devnum))
@@ -444,6 +461,12 @@
# create frontend db
db = self.db.addChild("/device/%s/%d" % (type, devnum))
+ backdb['script'] = script
+ backdb['domain'] = self.name
+ backdb['mac'] = mac
+ backdb['bridge'] = bridge
+ if ipaddr:
+ backdb['ip'] = ' '.join(ipaddr)
backdb['frontend'] = db.getPath()
backdb['frontend-id'] = "%i" % self.id
backdb['handle'] = "%i" % devnum
@@ -452,8 +475,7 @@
db['backend'] = backdb.getPath()
db['backend-id'] = "%i" % backdom.id
db['handle'] = "%i" % devnum
- log.error(sxp.child_value(devconfig, 'mac'))
- db['mac'] = sxp.child_value(devconfig, 'mac')
+ db['mac'] = mac
db.saveDB(save=True)
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