69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#include <linux/mutex.h>
|
||
|
|
|
||
|
|
struct rv_interface {
|
||
|
|
struct dentry *root_dir;
|
||
|
|
struct dentry *monitors_dir;
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "../trace.h"
|
||
|
|
#include <linux/tracefs.h>
|
||
|
|
#include <linux/rv.h>
|
||
|
|
|
||
|
|
#define RV_MODE_WRITE TRACE_MODE_WRITE
|
||
|
|
#define RV_MODE_READ TRACE_MODE_READ
|
||
|
|
|
||
|
|
#define rv_create_dir tracefs_create_dir
|
||
|
|
#define rv_create_file tracefs_create_file
|
||
|
|
#define rv_remove tracefs_remove
|
||
|
|
|
||
|
|
#define MAX_RV_MONITOR_NAME_SIZE 32
|
||
|
|
#define MAX_RV_REACTOR_NAME_SIZE 32
|
||
|
|
|
||
|
|
extern struct mutex rv_interface_lock;
|
||
|
|
|
||
|
|
#ifdef CONFIG_RV_REACTORS
|
||
|
|
struct rv_reactor_def {
|
||
|
|
struct list_head list;
|
||
|
|
struct rv_reactor *reactor;
|
||
|
|
/* protected by the monitor interface lock */
|
||
|
|
int counter;
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct rv_monitor_def {
|
||
|
|
struct list_head list;
|
||
|
|
struct rv_monitor *monitor;
|
||
|
|
struct dentry *root_d;
|
||
|
|
#ifdef CONFIG_RV_REACTORS
|
||
|
|
struct rv_reactor_def *rdef;
|
||
|
|
bool reacting;
|
||
|
|
#endif
|
||
|
|
bool task_monitor;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct dentry *get_monitors_root(void);
|
||
|
|
int rv_disable_monitor(struct rv_monitor_def *mdef);
|
||
|
|
int rv_enable_monitor(struct rv_monitor_def *mdef);
|
||
|
|
|
||
|
|
#ifdef CONFIG_RV_REACTORS
|
||
|
|
int reactor_populate_monitor(struct rv_monitor_def *mdef);
|
||
|
|
void reactor_cleanup_monitor(struct rv_monitor_def *mdef);
|
||
|
|
int init_rv_reactors(struct dentry *root_dir);
|
||
|
|
#else
|
||
|
|
static inline int reactor_populate_monitor(struct rv_monitor_def *mdef)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void reactor_cleanup_monitor(struct rv_monitor_def *mdef)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int init_rv_reactors(struct dentry *root_dir)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|