tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
13enum 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 */
34struct 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 */
54struct 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
65struct 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
72void sof_ipc4_create_exception_debugfs_node(struct snd_sof_dev *sdev);
73#endif