67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*/
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#ifndef __INCLUDE_UAPI_SOUND_SOF_USER_TRACE_H__
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#define __INCLUDE_UAPI_SOUND_SOF_USER_TRACE_H__
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/*
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* Host system time.
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*
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* This property is used by the driver to pass down information about
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* current system time. It is expressed in us.
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* FW translates timestamps (in log entries, probe pockets) to this time
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* domain.
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*
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* (cavs: SystemTime).
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*/
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struct system_time {
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uint32_t val_l; /* Lower dword of current host time value */
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uint32_t val_u; /* Upper dword of current host time value */
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} __packed;
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#define LOG_ENABLE 1 /* Enable logging */
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#define LOG_DISABLE 0 /* Disable logging */
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#define LOG_LEVEL_CRITICAL 1 /* (FDK fatal) */
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#define LOG_LEVEL_VERBOSE 2
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/*
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* Layout of a log fifo.
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*/
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struct log_buffer_layout {
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uint32_t read_ptr; /*read pointer */
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uint32_t write_ptr; /* write pointer */
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uint32_t buffer[0]; /* buffer */
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} __packed;
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/*
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* Log buffer status reported by FW.
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*/
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struct log_buffer_status {
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uint32_t core_id; /* ID of core that logged to other half */
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} __packed;
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#define TRACE_ID_LENGTH 12
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/*
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* Log entry header.
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*
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* The header is followed by an array of arguments (uint32_t[]).
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* Number of arguments is specified by the params_num field of log_entry
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*/
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struct log_entry_header {
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uint32_t id_0 : TRACE_ID_LENGTH; /* e.g. Pipeline ID */
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uint32_t id_1 : TRACE_ID_LENGTH; /* e.g. Component ID */
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uint32_t core_id : 8; /* Reporting core's id */
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uint64_t timestamp; /* Timestamp (in dsp ticks) */
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uint32_t log_entry_address; /* Address of log entry in ELF */
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} __packed;
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#endif
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