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Diffstat (limited to 'include/xen/xenbus.h')
-rw-r--r--include/xen/xenbus.h24
1 files changed, 9 insertions, 15 deletions
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index b13eb86395e0..c94caf852aea 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -96,10 +96,7 @@ struct xenbus_device {
unsigned int spurious_threshold;
};
-static inline struct xenbus_device *to_xenbus_device(struct device *dev)
-{
- return container_of(dev, struct xenbus_device, dev);
-}
+#define to_xenbus_device(__dev) container_of_const(__dev, struct xenbus_device, dev)
struct xenbus_device_id
{
@@ -117,20 +114,17 @@ struct xenbus_driver {
const struct xenbus_device_id *id);
void (*otherend_changed)(struct xenbus_device *dev,
enum xenbus_state backend_state);
- int (*remove)(struct xenbus_device *dev);
+ void (*remove)(struct xenbus_device *dev);
int (*suspend)(struct xenbus_device *dev);
int (*resume)(struct xenbus_device *dev);
- int (*uevent)(struct xenbus_device *, struct kobj_uevent_env *);
+ int (*uevent)(const struct xenbus_device *, struct kobj_uevent_env *);
struct device_driver driver;
int (*read_otherend_details)(struct xenbus_device *dev);
int (*is_ready)(struct xenbus_device *dev);
void (*reclaim_memory)(struct xenbus_device *dev);
};
-static inline struct xenbus_driver *to_xenbus_driver(struct device_driver *drv)
-{
- return container_of(drv, struct xenbus_driver, driver);
-}
+#define to_xenbus_driver(__drv) container_of_const(__drv, struct xenbus_driver, driver)
int __must_check __xenbus_register_frontend(struct xenbus_driver *drv,
struct module *owner,
@@ -160,13 +154,11 @@ void *xenbus_read(struct xenbus_transaction t,
const char *dir, const char *node, unsigned int *len);
int xenbus_write(struct xenbus_transaction t,
const char *dir, const char *node, const char *string);
-int xenbus_mkdir(struct xenbus_transaction t,
- const char *dir, const char *node);
int xenbus_exists(struct xenbus_transaction t,
const char *dir, const char *node);
int xenbus_rm(struct xenbus_transaction t, const char *dir, const char *node);
int xenbus_transaction_start(struct xenbus_transaction *t);
-int xenbus_transaction_end(struct xenbus_transaction t, int abort);
+int xenbus_transaction_end(struct xenbus_transaction t, bool abort);
/* Single read and scanf: returns -errno or num scanned if > 0. */
__scanf(4, 5)
@@ -186,7 +178,7 @@ int xenbus_printf(struct xenbus_transaction t,
* sprintf-style type string, and pointer. Returns 0 or errno.*/
int xenbus_gather(struct xenbus_transaction t, const char *dir, ...);
-/* notifer routines for when the xenstore comes up */
+/* notifier routines for when the xenstore comes up */
extern int xenstored_ready;
int register_xenstore_notifier(struct notifier_block *nb);
void unregister_xenstore_notifier(struct notifier_block *nb);
@@ -224,8 +216,10 @@ int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch,
const char *pathfmt, ...);
int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state new_state);
-int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr,
+int xenbus_setup_ring(struct xenbus_device *dev, gfp_t gfp, void **vaddr,
unsigned int nr_pages, grant_ref_t *grefs);
+void xenbus_teardown_ring(void **vaddr, unsigned int nr_pages,
+ grant_ref_t *grefs);
int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
unsigned int nr_grefs, void **vaddr);