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
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Arm Statistical Profiling Extensions (SPE) support
* Copyright (c) 2017-2018, Arm Ltd.
*/
#ifndef INCLUDE__ARM_SPE_PKT_DECODER_H__
#define INCLUDE__ARM_SPE_PKT_DECODER_H__
#include <stddef.h>
#include <stdint.h>
#define ARM_SPE_PKT_DESC_MAX 256
#define ARM_SPE_NEED_MORE_BYTES -1
#define ARM_SPE_BAD_PACKET -2
enum arm_spe_pkt_type {
ARM_SPE_BAD,
ARM_SPE_PAD,
ARM_SPE_END,
ARM_SPE_TIMESTAMP,
ARM_SPE_ADDRESS,
ARM_SPE_COUNTER,
ARM_SPE_CONTEXT,
ARM_SPE_OP_TYPE,
ARM_SPE_EVENTS,
ARM_SPE_DATA_SOURCE,
};
struct arm_spe_pkt {
enum arm_spe_pkt_type type;
unsigned char index;
uint64_t payload;
};
const char *arm_spe_pkt_name(enum arm_spe_pkt_type);
int arm_spe_get_packet(const unsigned char *buf, size_t len,
struct arm_spe_pkt *packet);
int arm_spe_pkt_desc(const struct arm_spe_pkt *packet, char *buf, size_t len);
#endif
|
