1#ifndef DRBD_STATE_CHANGE_H
 2#define DRBD_STATE_CHANGE_H
 3
 4struct drbd_resource_state_change {
 5	struct drbd_resource *resource;
 6	enum drbd_role role[2];
 7	bool susp[2];
 8	bool susp_nod[2];
 9	bool susp_fen[2];
10};
11
12struct drbd_device_state_change {
13	struct drbd_device *device;
14	enum drbd_disk_state disk_state[2];
15};
16
17struct drbd_connection_state_change {
18	struct drbd_connection *connection;
19	enum drbd_conns cstate[2];  /* drbd9: enum drbd_conn_state */
20	enum drbd_role peer_role[2];
21};
22
23struct drbd_peer_device_state_change {
24	struct drbd_peer_device *peer_device;
25	enum drbd_disk_state disk_state[2];
26	enum drbd_conns repl_state[2];  /* drbd9: enum drbd_repl_state */
27	bool resync_susp_user[2];
28	bool resync_susp_peer[2];
29	bool resync_susp_dependency[2];
30};
31
32struct drbd_state_change {
33	struct list_head list;
34	unsigned int n_devices;
35	unsigned int n_connections;
36	struct drbd_resource_state_change resource[1];
37	struct drbd_device_state_change *devices;
38	struct drbd_connection_state_change *connections;
39	struct drbd_peer_device_state_change *peer_devices;
40};
41
42extern struct drbd_state_change *remember_old_state(struct drbd_resource *, gfp_t);
43extern void copy_old_to_new_state_change(struct drbd_state_change *);
44extern void forget_state_change(struct drbd_state_change *);
45
46extern void notify_resource_state_change(struct sk_buff *,
47					 unsigned int,
48					 struct drbd_resource_state_change *,
49					 enum drbd_notification_type type);
50extern void notify_connection_state_change(struct sk_buff *,
51					   unsigned int,
52					   struct drbd_connection_state_change *,
53					   enum drbd_notification_type type);
54extern void notify_device_state_change(struct sk_buff *,
55				       unsigned int,
56				       struct drbd_device_state_change *,
57				       enum drbd_notification_type type);
58extern void notify_peer_device_state_change(struct sk_buff *,
59					    unsigned int,
60					    struct drbd_peer_device_state_change *,
61					    enum drbd_notification_type type);
62
63#endif  /* DRBD_STATE_CHANGE_H */