[mirror_ubuntu-eoan-kernel.git] / tools / perf / util / arm-spe-pkt-decoder.h

/* 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
Commit	Line	Data
ffd3d18c KP	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/*
	3	* Arm Statistical Profiling Extensions (SPE) support
	4	* Copyright (c) 2017-2018, Arm Ltd.
	5	*/
	6
	7	#ifndef INCLUDE__ARM_SPE_PKT_DECODER_H__
	8	#define INCLUDE__ARM_SPE_PKT_DECODER_H__
	9
	10	#include <stddef.h>
	11	#include <stdint.h>
	12
	13	#define ARM_SPE_PKT_DESC_MAX 256
	14
	15	#define ARM_SPE_NEED_MORE_BYTES -1
	16	#define ARM_SPE_BAD_PACKET -2
	17
	18	enum arm_spe_pkt_type {
	19	ARM_SPE_BAD,
	20	ARM_SPE_PAD,
	21	ARM_SPE_END,
	22	ARM_SPE_TIMESTAMP,
	23	ARM_SPE_ADDRESS,
	24	ARM_SPE_COUNTER,
	25	ARM_SPE_CONTEXT,
	26	ARM_SPE_OP_TYPE,
	27	ARM_SPE_EVENTS,
	28	ARM_SPE_DATA_SOURCE,
	29	};
	30
	31	struct arm_spe_pkt {
	32	enum arm_spe_pkt_type type;
	33	unsigned char index;
	34	uint64_t payload;
	35	};
	36
	37	const char *arm_spe_pkt_name(enum arm_spe_pkt_type);
	38
	39	int arm_spe_get_packet(const unsigned char *buf, size_t len,
	40	struct arm_spe_pkt *packet);
	41
	42	int arm_spe_pkt_desc(const struct arm_spe_pkt packet, char buf, size_t len);
	43	#endif