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/*
* SPDX-License-Identifier: GPL-2.0
*
* Copyright(C) 2015-2018 Linaro Limited.
*
* Author: Tor Jeremiassen <tor@ti.com>
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
*/
#ifndef INCLUDE__CS_ETM_DECODER_H__
#define INCLUDE__CS_ETM_DECODER_H__
#include <linux/types.h>
#include <stdio.h>
struct cs_etm_decoder;
struct cs_etm_packet;
struct cs_etm_packet_queue;
struct cs_etm_queue;
typedef u32 (*cs_etm_mem_cb_type)(struct cs_etm_queue *, u8, u64, size_t, u8 *);
struct cs_etmv3_trace_params {
u32 reg_ctrl;
u32 reg_trc_id;
u32 reg_ccer;
u32 reg_idr;
};
struct cs_etmv4_trace_params {
u32 reg_idr0;
u32 reg_idr1;
u32 reg_idr2;
u32 reg_idr8;
u32 reg_configr;
u32 reg_traceidr;
};
struct cs_ete_trace_params {
u32 reg_idr0;
u32 reg_idr1;
u32 reg_idr2;
u32 reg_idr8;
u32 reg_configr;
u32 reg_traceidr;
u32 reg_devarch;
};
struct cs_etm_trace_params {
int protocol;
union {
struct cs_etmv3_trace_params etmv3;
struct cs_etmv4_trace_params etmv4;
struct cs_ete_trace_params ete;
};
};
struct cs_etm_decoder_params {
int operation;
void (*packet_printer)(const char *msg);
cs_etm_mem_cb_type mem_acc_cb;
u8 formatted;
u8 fsyncs;
u8 hsyncs;
u8 frame_aligned;
void *data;
};
/*
* The following enums are indexed starting with 1 to align with the
* open source coresight trace decoder library.
*/
enum {
CS_ETM_PROTO_ETMV3 = 1,
CS_ETM_PROTO_ETMV4i,
CS_ETM_PROTO_ETMV4d,
CS_ETM_PROTO_PTM,
CS_ETM_PROTO_ETE
};
enum cs_etm_decoder_operation {
CS_ETM_OPERATION_PRINT = 1,
CS_ETM_OPERATION_DECODE,
CS_ETM_OPERATION_MAX,
};
int cs_etm_decoder__process_data_block(struct cs_etm_decoder *decoder,
u64 indx, const u8 *buf,
size_t len, size_t *consumed);
struct cs_etm_decoder *
cs_etm_decoder__new(int num_cpu,
struct cs_etm_decoder_params *d_params,
struct cs_etm_trace_params t_params[]);
void cs_etm_decoder__free(struct cs_etm_decoder *decoder);
int cs_etm_decoder__add_mem_access_cb(struct cs_etm_decoder *decoder,
u64 start, u64 end,
cs_etm_mem_cb_type cb_func);
int cs_etm_decoder__get_packet(struct cs_etm_packet_queue *packet_queue,
struct cs_etm_packet *packet);
int cs_etm_decoder__reset(struct cs_etm_decoder *decoder);
const char *cs_etm_decoder__get_name(struct cs_etm_decoder *decoder);
#endif /* INCLUDE__CS_ETM_DECODER_H__ */
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