Add xenbus_for_each_[back,front]end functions to iterate each bus
Signed-off-by: Kieran Mansley <kmansley@xxxxxxxxxxxxxx>
diff -r d5e0eb7dd069 drivers/xen/xenbus/xenbus_probe.c
--- a/drivers/xen/xenbus/xenbus_probe.c Sun Jun 10 19:50:32 2007 +0100
+++ b/drivers/xen/xenbus/xenbus_probe.c Thu Jun 14 14:49:40 2007 +0100
@@ -4,6 +4,7 @@
* Copyright (C) 2005 Rusty Russell, IBM Corporation
* Copyright (C) 2005 Mike Wray, Hewlett-Packard
* Copyright (C) 2005, 2006 XenSource Ltd
+ * Copyright (C) 2007 Solarflare Communications, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
@@ -1085,3 +1086,10 @@ static int __init boot_wait_for_devices(
late_initcall(boot_wait_for_devices);
#endif
+
+
+int xenbus_for_each_frontend(void *arg, int (*fn)(struct device *, void *))
+{
+ return bus_for_each_dev(&xenbus_frontend.bus, NULL, arg, fn);
+}
+EXPORT_SYMBOL_GPL(xenbus_for_each_frontend);
diff -r d5e0eb7dd069 drivers/xen/xenbus/xenbus_probe_backend.c
--- a/drivers/xen/xenbus/xenbus_probe_backend.c Sun Jun 10 19:50:32 2007 +0100
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c Thu Jun 14 14:49:40 2007 +0100
@@ -4,6 +4,7 @@
* Copyright (C) 2005 Rusty Russell, IBM Corporation
* Copyright (C) 2005 Mike Wray, Hewlett-Packard
* Copyright (C) 2005, 2006 XenSource Ltd
+ * Copyright (C) 2007 Solarflare Communications, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
@@ -285,3 +286,10 @@ void xenbus_backend_device_register(void
xenbus_backend.error);
}
}
+
+int xenbus_for_each_backend(void *arg, int (*fn)(struct device *, void *))
+{
+ return bus_for_each_dev(&xenbus_backend.bus, NULL, arg, fn);
+}
+EXPORT_SYMBOL_GPL(xenbus_for_each_backend);
+
diff -r d5e0eb7dd069 include/xen/xenbus.h
--- a/include/xen/xenbus.h Sun Jun 10 19:50:32 2007 +0100
+++ b/include/xen/xenbus.h Thu Jun 14 14:49:40 2007 +0100
@@ -299,4 +299,7 @@ int xenbus_dev_is_online(struct xenbus_d
int xenbus_dev_is_online(struct xenbus_device *dev);
int xenbus_frontend_closed(struct xenbus_device *dev);
+extern int xenbus_for_each_backend(void *arg, int (*fn)(struct device *, void
*));
+extern int xenbus_for_each_frontend(void *arg, int (*fn)(struct device *, void
*));
+
#endif /* _XEN_XENBUS_H */
xenbus_for_each
Description: Text document
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