blob: cb247825f3ec7df079538c033ebd3a95ac66f8c9 (
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
59
60
61
62
|
#ifndef MMIOTRACE_H
#define MMIOTRACE_H
#include <asm/types.h>
#define MMIO_VERSION 0x04
/* mm_io_header.type */
#define MMIO_OPCODE_MASK 0xff
#define MMIO_OPCODE_SHIFT 0
#define MMIO_WIDTH_MASK 0xff00
#define MMIO_WIDTH_SHIFT 8
#define MMIO_MAGIC (0x6f000000 | (MMIO_VERSION<<16))
#define MMIO_MAGIC_MASK 0xffff0000
enum mm_io_opcode { /* payload type: */
MMIO_READ = 0x1, /* struct mm_io_rw */
MMIO_WRITE = 0x2, /* struct mm_io_rw */
MMIO_PROBE = 0x3, /* struct mm_io_map */
MMIO_UNPROBE = 0x4, /* struct mm_io_map */
MMIO_MARKER = 0x5, /* raw char data */
MMIO_UNKNOWN_OP = 0x6, /* struct mm_io_rw */
};
struct mm_io_header {
__u32 type;
__u32 sec; /* timestamp */
__u32 nsec;
__u32 pid; /* PID of the process, or 0 for kernel core */
__u16 data_len; /* length of the following payload */
};
struct mm_io_rw {
__u64 address; /* virtual address of register */
__u64 value;
__u64 pc; /* optional program counter */
};
struct mm_io_map {
__u64 phys; /* base address in PCI space */
__u64 addr; /* base virtual address */
__u64 len; /* mapping size */
__u64 pc; /* optional program counter */
};
/*
* These structures are used to allow a single relay_write()
* call to write a full packet.
*/
struct mm_io_header_rw {
struct mm_io_header header;
struct mm_io_rw rw;
} __attribute__((packed));
struct mm_io_header_map {
struct mm_io_header header;
struct mm_io_map map;
} __attribute__((packed));
#endif /* MMIOTRACE_H */
|
