sound/soc/sof/ipc4-telemetry.h

   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) 2023 Intel Corporation
   7  */
   8
   9 #ifndef __SOUND_SOC_SOF_IPC4_TELEMETRY_H
  10 #define __SOUND_SOC_SOF_IPC4_TELEMETRY_H
  11
  12 /* Target code */
  13 enum sof_ipc4_coredump_tgt_code {
  14         COREDUMP_TGT_UNKNOWN = 0,
  15         COREDUMP_TGT_X86,
  16         COREDUMP_TGT_X86_64,
  17         COREDUMP_TGT_ARM_CORTEX_M,
  18         COREDUMP_TGT_RISC_V,
  19         COREDUMP_TGT_XTENSA,
  20 };
  21
  22 #define COREDUMP_ARCH_HDR_ID 'A'
  23 #define COREDUMP_HDR_ID0 'Z'
  24 #define COREDUMP_HDR_ID1 'E'
  25
  26 #define XTENSA_BLOCK_HDR_VER            2
  27 #define XTENSA_CORE_DUMP_SEPARATOR      0x0DEC0DEB
  28 #define XTENSA_CORE_AR_REGS_COUNT       16
  29 #define XTENSA_SOC_INTEL_ADSP           3
  30 #define XTENSA_TOOL_CHAIN_ZEPHYR        1
  31 #define XTENSA_TOOL_CHAIN_XCC           2
  32
  33 /* Coredump header */
  34 struct sof_ipc4_coredump_hdr {
  35         /* 'Z', 'E' as identifier of file */
  36         char id[2];
  37
  38         /* Identify the version of the header */
  39         u16 hdr_version;
  40
  41         /* Indicate which target (e.g. architecture or SoC) */
  42         u16 tgt_code;
  43
  44         /* Size of uintptr_t in power of 2. (e.g. 5 for 32-bit, 6 for 64-bit) */
  45         u8 ptr_size_bits;
  46
  47         u8 flag;
  48
  49         /* Reason for the fatal error */
  50         u32 reason;
  51 } __packed;
  52
  53 /* Architecture-specific block header */
  54 struct sof_ipc4_coredump_arch_hdr {
  55         /* COREDUMP_ARCH_HDR_ID to indicate this is a architecture-specific block */
  56         char id;
  57
  58         /* Identify the version of this block */
  59         u16 hdr_version;
  60
  61         /* Number of bytes following the header */
  62         u16 num_bytes;
  63 } __packed;
  64
  65 struct sof_ipc4_telemetry_slot_data {
  66         u32 separator;
  67         struct sof_ipc4_coredump_hdr hdr;
  68         struct sof_ipc4_coredump_arch_hdr arch_hdr;
  69         u32 arch_data[];
  70 } __packed;
  71
  72 void sof_ipc4_create_exception_debugfs_node(struct snd_sof_dev *sdev);
  73 #endif