Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arm_spe_decoder.h: Arm Statistical Profiling Extensions support
 * Copyright (c) 2019-2020, Arm Ltd.
 */
 
#ifndef INCLUDE__ARM_SPE_DECODER_H__
#define INCLUDE__ARM_SPE_DECODER_H__
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#include "arm-spe-pkt-decoder.h"
 
enum arm_spe_events {
<------>EV_EXCEPTION_GEN	= 0,
<------>EV_RETIRED		= 1,
<------>EV_L1D_ACCESS		= 2,
<------>EV_L1D_REFILL		= 3,
<------>EV_TLB_ACCESS		= 4,
<------>EV_TLB_WALK		= 5,
<------>EV_NOT_TAKEN		= 6,
<------>EV_MISPRED		= 7,
<------>EV_LLC_ACCESS		= 8,
<------>EV_LLC_MISS		= 9,
<------>EV_REMOTE_ACCESS	= 10,
<------>EV_ALIGNMENT		= 11,
<------>EV_PARTIAL_PREDICATE	= 17,
<------>EV_EMPTY_PREDICATE	= 18,
};
 
enum arm_spe_sample_type {
<------>ARM_SPE_L1D_ACCESS	= 1 << 0,
<------>ARM_SPE_L1D_MISS	= 1 << 1,
<------>ARM_SPE_LLC_ACCESS	= 1 << 2,
<------>ARM_SPE_LLC_MISS	= 1 << 3,
<------>ARM_SPE_TLB_ACCESS	= 1 << 4,
<------>ARM_SPE_TLB_MISS	= 1 << 5,
<------>ARM_SPE_BRANCH_MISS	= 1 << 6,
<------>ARM_SPE_REMOTE_ACCESS	= 1 << 7,
};
 
struct arm_spe_record {
<------>enum arm_spe_sample_type type;
<------>int err;
<------>u64 from_ip;
<------>u64 to_ip;
<------>u64 timestamp;
};
 
struct arm_spe_insn;
 
struct arm_spe_buffer {
<------>const unsigned char *buf;
<------>size_t len;
<------>u64 offset;
<------>u64 trace_nr;
};
 
struct arm_spe_params {
<------>int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
<------>void *data;
};
 
struct arm_spe_decoder {
<------>int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
<------>void *data;
<------>struct arm_spe_record record;
 
<------>const unsigned char *buf;
<------>size_t len;
 
<------>struct arm_spe_pkt packet;
};
 
struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params);
void arm_spe_decoder_free(struct arm_spe_decoder *decoder);
 
int arm_spe_decode(struct arm_spe_decoder *decoder);
 
#endif