Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / xen / xenbus / xenbus_probe.h

diff --git a/kernel/drivers/xen/xenbus/xenbus_probe.h b/kernel/drivers/xen/xenbus/xenbus_probe.h
new file mode 100644 (file)
index 0000000..c9ec7ca
--- /dev/null
+++ b/kernel/drivers/xen/xenbus/xenbus_probe.h
@@ -0,0 +1,88 @@
+/******************************************************************************
+ * xenbus_probe.h
+ *
+ * Talks to Xen Store to figure out what devices we have.
+ *
+ * Copyright (C) 2005 Rusty Russell, IBM Corporation
+ * Copyright (C) 2005 XenSource Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation; or, when distributed
+ * separately from the Linux kernel or incorporated into other
+ * software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _XENBUS_PROBE_H
+#define _XENBUS_PROBE_H
+
+#define XEN_BUS_ID_SIZE                        20
+
+struct xen_bus_type {
+       char *root;
+       unsigned int levels;
+       int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename);
+       int (*probe)(struct xen_bus_type *bus, const char *type,
+                    const char *dir);
+       void (*otherend_changed)(struct xenbus_watch *watch, const char **vec,
+                                unsigned int len);
+       struct bus_type bus;
+};
+
+enum xenstore_init {
+       XS_UNKNOWN,
+       XS_PV,
+       XS_HVM,
+       XS_LOCAL,
+};
+
+extern const struct attribute_group *xenbus_dev_groups[];
+
+extern int xenbus_match(struct device *_dev, struct device_driver *_drv);
+extern int xenbus_dev_probe(struct device *_dev);
+extern int xenbus_dev_remove(struct device *_dev);
+extern int xenbus_register_driver_common(struct xenbus_driver *drv,
+                                        struct xen_bus_type *bus,
+                                        struct module *owner,
+                                        const char *mod_name);
+extern int xenbus_probe_node(struct xen_bus_type *bus,
+                            const char *type,
+                            const char *nodename);
+extern int xenbus_probe_devices(struct xen_bus_type *bus);
+
+extern void xenbus_dev_changed(const char *node, struct xen_bus_type *bus);
+
+extern void xenbus_dev_shutdown(struct device *_dev);
+
+extern int xenbus_dev_suspend(struct device *dev);
+extern int xenbus_dev_resume(struct device *dev);
+extern int xenbus_dev_cancel(struct device *dev);
+
+extern void xenbus_otherend_changed(struct xenbus_watch *watch,
+                                   const char **vec, unsigned int len,
+                                   int ignore_on_shutdown);
+
+extern int xenbus_read_otherend_details(struct xenbus_device *xendev,
+                                       char *id_node, char *path_node);
+
+void xenbus_ring_ops_init(void);
+
+#endif