blob: 85b7f68a3b8a9b2922658c1f3b3054a3245cf416 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#ifndef _LINUX_KMMIO_H
#define _LINUX_KMMIO_H
#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/version.h>
#include <linux/kdebug.h>
struct kmmio_probe;
struct kmmio_fault_page;
struct pt_regs;
typedef void (*kmmio_pre_handler_t)(struct kmmio_probe *,
struct pt_regs *, unsigned long addr);
typedef void (*kmmio_post_handler_t)(struct kmmio_probe *,
unsigned long condition, struct pt_regs *);
struct kmmio_probe {
struct list_head list;
/* start location of the probe point */
unsigned long addr;
/* length of the probe region */
unsigned long len;
/* Called before addr is executed. */
kmmio_pre_handler_t pre_handler;
/* Called after addr is executed, unless... */
kmmio_post_handler_t post_handler;
};
struct kmmio_fault_page {
struct list_head list;
/* location of the fault page */
unsigned long page;
int count;
};
/* kmmio is active by some kmmio_probes? */
static inline int is_kmmio_active(void)
{
extern unsigned int kmmio_count;
return kmmio_count;
}
int init_kmmio(void);
void cleanup_kmmio(void);
int register_kmmio_probe(struct kmmio_probe *p);
void unregister_kmmio_probe(struct kmmio_probe *p);
#endif /* _LINUX_KMMIO_H */
|
