root/include/sound/sof/trace.h
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/*
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * Copyright(c) 2018 Intel Corporation
 */

#ifndef __INCLUDE_SOUND_SOF_TRACE_H__
#define __INCLUDE_SOUND_SOF_TRACE_H__

#include <sound/sof/header.h>
#include <sound/sof/stream.h>

/*
 * DMA for Trace
 */

#define SOF_TRACE_FILENAME_SIZE         32

/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
/* Deprecated - use sof_ipc_dma_trace_params_ext */
struct sof_ipc_dma_trace_params {
        struct sof_ipc_cmd_hdr hdr;
        struct sof_ipc_host_buffer buffer;
        uint32_t stream_tag;
}  __packed;

/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS_EXT */
struct sof_ipc_dma_trace_params_ext {
        struct sof_ipc_cmd_hdr hdr;
        struct sof_ipc_host_buffer buffer;
        uint32_t stream_tag;
        uint64_t timestamp_ns; /* in nanosecond */
        uint32_t reserved[8];
}  __packed;

/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
struct sof_ipc_dma_trace_posn {
        struct sof_ipc_reply rhdr;
        uint32_t host_offset;   /* Offset of DMA host buffer */
        uint32_t overflow;      /* overflow bytes if any */
        uint32_t messages;      /* total trace messages */
}  __packed;

/* Values used in sof_ipc_trace_filter_elem: */

/* bits 6..0 */
#define SOF_IPC_TRACE_FILTER_ELEM_SET_LEVEL     0x01    /**< trace level for selected components */
#define SOF_IPC_TRACE_FILTER_ELEM_BY_UUID       0x02    /**< filter by uuid key */
#define SOF_IPC_TRACE_FILTER_ELEM_BY_PIPE       0x03    /**< filter by pipeline */
#define SOF_IPC_TRACE_FILTER_ELEM_BY_COMP       0x04    /**< filter by component id */

/* bit 7 */
#define SOF_IPC_TRACE_FILTER_ELEM_FIN           0x80    /**< mark last filter in set */

/* bits 31..8: Unused */

/** part of sof_ipc_trace_filter, ABI3.17 */
struct sof_ipc_trace_filter_elem {
        uint32_t key;           /**< SOF_IPC_TRACE_FILTER_ELEM_ {LEVEL, UUID, COMP, PIPE} */
        uint32_t value;         /**< element value */
} __packed;

/** Runtime tracing filtration data - SOF_IPC_TRACE_FILTER_UPDATE, ABI3.17 */
struct sof_ipc_trace_filter {
        struct sof_ipc_cmd_hdr hdr;     /**< IPC command header */
        uint32_t elem_cnt;              /**< number of entries in elems[] array */
        uint32_t reserved[8];           /**< reserved for future usage */
        /** variable size array with new filtering settings */
        struct sof_ipc_trace_filter_elem elems[];
} __packed;

/*
 * Commom debug
 */

/*
 * SOF panic codes
 */
#define SOF_IPC_PANIC_MAGIC                     0x0dead000
#define SOF_IPC_PANIC_MAGIC_MASK                0x0ffff000
#define SOF_IPC_PANIC_CODE_MASK                 0x00000fff
#define SOF_IPC_PANIC_MEM                       (SOF_IPC_PANIC_MAGIC | 0x0)
#define SOF_IPC_PANIC_WORK                      (SOF_IPC_PANIC_MAGIC | 0x1)
#define SOF_IPC_PANIC_IPC                       (SOF_IPC_PANIC_MAGIC | 0x2)
#define SOF_IPC_PANIC_ARCH                      (SOF_IPC_PANIC_MAGIC | 0x3)
#define SOF_IPC_PANIC_PLATFORM                  (SOF_IPC_PANIC_MAGIC | 0x4)
#define SOF_IPC_PANIC_TASK                      (SOF_IPC_PANIC_MAGIC | 0x5)
#define SOF_IPC_PANIC_EXCEPTION                 (SOF_IPC_PANIC_MAGIC | 0x6)
#define SOF_IPC_PANIC_DEADLOCK                  (SOF_IPC_PANIC_MAGIC | 0x7)
#define SOF_IPC_PANIC_STACK                     (SOF_IPC_PANIC_MAGIC | 0x8)
#define SOF_IPC_PANIC_IDLE                      (SOF_IPC_PANIC_MAGIC | 0x9)
#define SOF_IPC_PANIC_WFI                       (SOF_IPC_PANIC_MAGIC | 0xa)
#define SOF_IPC_PANIC_ASSERT                    (SOF_IPC_PANIC_MAGIC | 0xb)

/* panic info include filename and line number
 * filename array will not include null terminator if fully filled
 */
struct sof_ipc_panic_info {
        struct sof_ipc_hdr hdr;
        uint32_t code;                  /* SOF_IPC_PANIC_ */
        uint8_t filename[SOF_TRACE_FILENAME_SIZE];
        uint32_t linenum;
}  __packed;

#endif