1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Runtime Verification. 4 * 5 * For futher information, see: kernel/trace/rv/rv.c. 6 */ 7#ifndef _LINUX_RV_H 8#define _LINUX_RV_H 9 10#define MAX_DA_NAME_LEN 24 11 12#ifdef CONFIG_RV 13/* 14 * Deterministic automaton per-object variables. 15 */ 16struct da_monitor { 17 bool monitoring; 18 unsigned int curr_state; 19}; 20 21/* 22 * Per-task RV monitors count. Nowadays fixed in RV_PER_TASK_MONITORS. 23 * If we find justification for more monitors, we can think about 24 * adding more or developing a dynamic method. So far, none of 25 * these are justified. 26 */ 27#define RV_PER_TASK_MONITORS 1 28#define RV_PER_TASK_MONITOR_INIT (RV_PER_TASK_MONITORS) 29 30/* 31 * Futher monitor types are expected, so make this a union. 32 */ 33union rv_task_monitor { 34 struct da_monitor da_mon; 35}; 36 37#ifdef CONFIG_RV_REACTORS 38struct rv_reactor { 39 const char *name; 40 const char *description; 41 void (*react)(char *msg); 42}; 43#endif 44 45struct rv_monitor { 46 const char *name; 47 const char *description; 48 bool enabled; 49 int (*enable)(void); 50 void (*disable)(void); 51 void (*reset)(void); 52#ifdef CONFIG_RV_REACTORS 53 void (*react)(char *msg); 54#endif 55}; 56 57bool rv_monitoring_on(void); 58int rv_unregister_monitor(struct rv_monitor *monitor); 59int rv_register_monitor(struct rv_monitor *monitor); 60int rv_get_task_monitor_slot(void); 61void rv_put_task_monitor_slot(int slot); 62 63#ifdef CONFIG_RV_REACTORS 64bool rv_reacting_on(void); 65int rv_unregister_reactor(struct rv_reactor *reactor); 66int rv_register_reactor(struct rv_reactor *reactor); 67#endif /* CONFIG_RV_REACTORS */ 68 69#endif /* CONFIG_RV */ 70#endif /* _LINUX_RV_H */ 71