71 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
 | |
| /*
 | |
|  * Runtime Verification.
 | |
|  *
 | |
|  * For futher information, see: kernel/trace/rv/rv.c.
 | |
|  */
 | |
| #ifndef _LINUX_RV_H
 | |
| #define _LINUX_RV_H
 | |
| 
 | |
| #define MAX_DA_NAME_LEN	24
 | |
| 
 | |
| #ifdef CONFIG_RV
 | |
| /*
 | |
|  * Deterministic automaton per-object variables.
 | |
|  */
 | |
| struct da_monitor {
 | |
| 	bool		monitoring;
 | |
| 	unsigned int	curr_state;
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * Per-task RV monitors count. Nowadays fixed in RV_PER_TASK_MONITORS.
 | |
|  * If we find justification for more monitors, we can think about
 | |
|  * adding more or developing a dynamic method. So far, none of
 | |
|  * these are justified.
 | |
|  */
 | |
| #define RV_PER_TASK_MONITORS		1
 | |
| #define RV_PER_TASK_MONITOR_INIT	(RV_PER_TASK_MONITORS)
 | |
| 
 | |
| /*
 | |
|  * Futher monitor types are expected, so make this a union.
 | |
|  */
 | |
| union rv_task_monitor {
 | |
| 	struct da_monitor da_mon;
 | |
| };
 | |
| 
 | |
| #ifdef CONFIG_RV_REACTORS
 | |
| struct rv_reactor {
 | |
| 	const char		*name;
 | |
| 	const char		*description;
 | |
| 	void			(*react)(char *msg);
 | |
| };
 | |
| #endif
 | |
| 
 | |
| struct rv_monitor {
 | |
| 	const char		*name;
 | |
| 	const char		*description;
 | |
| 	bool			enabled;
 | |
| 	int			(*enable)(void);
 | |
| 	void			(*disable)(void);
 | |
| 	void			(*reset)(void);
 | |
| #ifdef CONFIG_RV_REACTORS
 | |
| 	void			(*react)(char *msg);
 | |
| #endif
 | |
| };
 | |
| 
 | |
| bool rv_monitoring_on(void);
 | |
| int rv_unregister_monitor(struct rv_monitor *monitor);
 | |
| int rv_register_monitor(struct rv_monitor *monitor);
 | |
| int rv_get_task_monitor_slot(void);
 | |
| void rv_put_task_monitor_slot(int slot);
 | |
| 
 | |
| #ifdef CONFIG_RV_REACTORS
 | |
| bool rv_reacting_on(void);
 | |
| int rv_unregister_reactor(struct rv_reactor *reactor);
 | |
| int rv_register_reactor(struct rv_reactor *reactor);
 | |
| #endif /* CONFIG_RV_REACTORS */
 | |
| 
 | |
| #endif /* CONFIG_RV */
 | |
| #endif /* _LINUX_RV_H */
 |