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| /* 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
|
|
