cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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trace.h (3550B)


      1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
      2/*
      3 * This file is provided under a dual BSD/GPLv2 license.  When using or
      4 * redistributing this file, you may do so under either license.
      5 *
      6 * Copyright(c) 2018 Intel Corporation. All rights reserved.
      7 */
      8
      9#ifndef __INCLUDE_SOUND_SOF_TRACE_H__
     10#define __INCLUDE_SOUND_SOF_TRACE_H__
     11
     12#include <sound/sof/header.h>
     13#include <sound/sof/stream.h>
     14
     15/*
     16 * DMA for Trace
     17 */
     18
     19#define SOF_TRACE_FILENAME_SIZE		32
     20
     21/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
     22/* Deprecated - use sof_ipc_dma_trace_params_ext */
     23struct sof_ipc_dma_trace_params {
     24	struct sof_ipc_cmd_hdr hdr;
     25	struct sof_ipc_host_buffer buffer;
     26	uint32_t stream_tag;
     27}  __packed;
     28
     29/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS_EXT */
     30struct sof_ipc_dma_trace_params_ext {
     31	struct sof_ipc_cmd_hdr hdr;
     32	struct sof_ipc_host_buffer buffer;
     33	uint32_t stream_tag;
     34	uint64_t timestamp_ns; /* in nanosecond */
     35	uint32_t reserved[8];
     36}  __packed;
     37
     38/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
     39struct sof_ipc_dma_trace_posn {
     40	struct sof_ipc_reply rhdr;
     41	uint32_t host_offset;	/* Offset of DMA host buffer */
     42	uint32_t overflow;	/* overflow bytes if any */
     43	uint32_t messages;	/* total trace messages */
     44}  __packed;
     45
     46/* Values used in sof_ipc_trace_filter_elem: */
     47
     48/* bits 6..0 */
     49#define SOF_IPC_TRACE_FILTER_ELEM_SET_LEVEL	0x01	/**< trace level for selected components */
     50#define SOF_IPC_TRACE_FILTER_ELEM_BY_UUID	0x02	/**< filter by uuid key */
     51#define SOF_IPC_TRACE_FILTER_ELEM_BY_PIPE	0x03	/**< filter by pipeline */
     52#define SOF_IPC_TRACE_FILTER_ELEM_BY_COMP	0x04	/**< filter by component id */
     53
     54/* bit 7 */
     55#define SOF_IPC_TRACE_FILTER_ELEM_FIN		0x80	/**< mark last filter in set */
     56
     57/* bits 31..8: Unused */
     58
     59/** part of sof_ipc_trace_filter, ABI3.17 */
     60struct sof_ipc_trace_filter_elem {
     61	uint32_t key;		/**< SOF_IPC_TRACE_FILTER_ELEM_ {LEVEL, UUID, COMP, PIPE} */
     62	uint32_t value;		/**< element value */
     63} __packed;
     64
     65/** Runtime tracing filtration data - SOF_IPC_TRACE_FILTER_UPDATE, ABI3.17 */
     66struct sof_ipc_trace_filter {
     67	struct sof_ipc_cmd_hdr hdr;	/**< IPC command header */
     68	uint32_t elem_cnt;		/**< number of entries in elems[] array */
     69	uint32_t reserved[8];		/**< reserved for future usage */
     70	/** variable size array with new filtering settings */
     71	struct sof_ipc_trace_filter_elem elems[];
     72} __packed;
     73
     74/*
     75 * Commom debug
     76 */
     77
     78/*
     79 * SOF panic codes
     80 */
     81#define SOF_IPC_PANIC_MAGIC			0x0dead000
     82#define SOF_IPC_PANIC_MAGIC_MASK		0x0ffff000
     83#define SOF_IPC_PANIC_CODE_MASK			0x00000fff
     84#define SOF_IPC_PANIC_MEM			(SOF_IPC_PANIC_MAGIC | 0x0)
     85#define SOF_IPC_PANIC_WORK			(SOF_IPC_PANIC_MAGIC | 0x1)
     86#define SOF_IPC_PANIC_IPC			(SOF_IPC_PANIC_MAGIC | 0x2)
     87#define SOF_IPC_PANIC_ARCH			(SOF_IPC_PANIC_MAGIC | 0x3)
     88#define SOF_IPC_PANIC_PLATFORM			(SOF_IPC_PANIC_MAGIC | 0x4)
     89#define SOF_IPC_PANIC_TASK			(SOF_IPC_PANIC_MAGIC | 0x5)
     90#define SOF_IPC_PANIC_EXCEPTION			(SOF_IPC_PANIC_MAGIC | 0x6)
     91#define SOF_IPC_PANIC_DEADLOCK			(SOF_IPC_PANIC_MAGIC | 0x7)
     92#define SOF_IPC_PANIC_STACK			(SOF_IPC_PANIC_MAGIC | 0x8)
     93#define SOF_IPC_PANIC_IDLE			(SOF_IPC_PANIC_MAGIC | 0x9)
     94#define SOF_IPC_PANIC_WFI			(SOF_IPC_PANIC_MAGIC | 0xa)
     95#define SOF_IPC_PANIC_ASSERT			(SOF_IPC_PANIC_MAGIC | 0xb)
     96
     97/* panic info include filename and line number
     98 * filename array will not include null terminator if fully filled
     99 */
    100struct sof_ipc_panic_info {
    101	struct sof_ipc_hdr hdr;
    102	uint32_t code;			/* SOF_IPC_PANIC_ */
    103	uint8_t filename[SOF_TRACE_FILENAME_SIZE];
    104	uint32_t linenum;
    105}  __packed;
    106
    107#endif