#ifndef __CONNECTOR_H
#define __CONNECTOR_H
-#include <asm/types.h>
-
-#define CN_IDX_CONNECTOR 0xffffffff
-#define CN_VAL_CONNECTOR 0xffffffff
+#include <linux/types.h>
/*
* Process Events connector unique ids -- used for message routing
#define CN_VAL_CIFS 0x1
#define CN_W1_IDX 0x3 /* w1 communication */
#define CN_W1_VAL 0x1
-
-
-#define CN_NETLINK_USERS 4
+#define CN_IDX_V86D 0x4
+#define CN_VAL_V86D_UVESAFB 0x1
+#define CN_IDX_BB 0x5 /* BlackBoard, from the TSP GPL sampling framework */
+#define CN_DST_IDX 0x6
+#define CN_DST_VAL 0x1
+#define CN_IDX_DM 0x7 /* Device Mapper */
+#define CN_VAL_DM_USERSPACE_LOG 0x1
+#define CN_IDX_DRBD 0x8
+#define CN_VAL_DRBD 0x1
+
+#define CN_NETLINK_USERS 8
/*
* Maximum connector's message size.
*/
-#define CONNECTOR_MAX_MSG_SIZE 1024
+#define CONNECTOR_MAX_MSG_SIZE 16384
/*
* idx and val are unique identifiers which
__u8 data[0];
};
-/*
- * Notify structure - requests notification about
- * registering/unregistering idx/val in range [first, first+range].
- */
-struct cn_notify_req {
- __u32 first;
- __u32 range;
-};
-
-/*
- * Main notification control message
- * *_notify_num - number of appropriate cn_notify_req structures after
- * this struct.
- * group - notification receiver's idx.
- * len - total length of the attached data.
- */
-struct cn_ctl_msg {
- __u32 idx_notify_num;
- __u32 val_notify_num;
- __u32 group;
- __u32 len;
- __u8 data[0];
-};
-
#ifdef __KERNEL__
#include <asm/atomic.h>
unsigned char name[CN_CBQ_NAMELEN];
struct workqueue_struct *cn_queue;
+ /* Sent to kevent to create cn_queue only when needed */
+ struct work_struct wq_creation;
+ /* Tell if the wq_creation job is pending/completed */
+ atomic_t wq_requested;
+ /* Wait for cn_queue to be created */
+ wait_queue_head_t wq_created;
struct list_head queue_list;
spinlock_t queue_lock;
- int netlink_groups;
struct sock *nls;
};
};
struct cn_callback_data {
- void (*destruct_data) (void *);
- void *ddata;
-
- void *callback_priv;
- void (*callback) (void *);
+ struct sk_buff *skb;
+ void (*callback) (struct cn_msg *, struct netlink_skb_parms *);
void *free;
};
struct cn_callback_entry {
struct list_head callback_entry;
- struct cn_callback *cb;
struct work_struct work;
struct cn_queue_dev *pdev;
struct cn_callback_id id;
struct cn_callback_data data;
- int seq, group;
- struct sock *nls;
-};
-
-struct cn_ctl_entry {
- struct list_head notify_entry;
- struct cn_ctl_msg *msg;
+ u32 seq, group;
};
struct cn_dev {
u32 seq, groups;
struct sock *nls;
- void (*input) (struct sock * sk, int len);
+ void (*input) (struct sk_buff *skb);
struct cn_queue_dev *cbdev;
};
-int cn_add_callback(struct cb_id *, char *, void (*callback) (void *));
+int cn_add_callback(struct cb_id *, char *, void (*callback) (struct cn_msg *, struct netlink_skb_parms *));
void cn_del_callback(struct cb_id *);
int cn_netlink_send(struct cn_msg *, u32, gfp_t);
-int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *));
+int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
+int queue_cn_work(struct cn_callback_entry *cbq, struct work_struct *work);
+
struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *);
void cn_queue_free_dev(struct cn_queue_dev *dev);
int cn_cb_equal(struct cb_id *, struct cb_id *);
-void cn_queue_wrapper(void *data);
-
-extern int cn_already_initialized;
+void cn_queue_wrapper(struct work_struct *work);
#endif /* __KERNEL__ */
#endif /* __CONNECTOR_H */