coredump.h

  1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
  2/* Copyright (C) 2022 MediaTek Inc. */
  3
  4#ifndef _COREDUMP_H_
  5#define _COREDUMP_H_
  6
  7#include "mt7915.h"
  8
  9struct trace {
 10	u32 id;
 11	u32 timestamp;
 12};
 13
 14struct mt7915_coredump {
 15	char magic[16];
 16
 17	u32 len;
 18
 19	guid_t guid;
 20
 21	/* time-of-day stamp */
 22	u64 tv_sec;
 23	/* time-of-day stamp, nano-seconds */
 24	u64 tv_nsec;
 25	/* kernel version */
 26	char kernel[64];
 27	/* firmware version */
 28	char fw_ver[ETHTOOL_FWVERS_LEN];
 29
 30	u32 device_id;
 31
 32	/* exception state */
 33	char fw_state[12];
 34
 35	u32 last_msg_id;
 36	u32 eint_info_idx;
 37	u32 irq_info_idx;
 38	u32 sched_info_idx;
 39
 40	/* schedule info */
 41	char trace_sched[32];
 42	struct {
 43		struct trace t;
 44		u32 pc;
 45	} sched[60];
 46
 47	/* irq info */
 48	char trace_irq[32];
 49	struct trace irq[60];
 50
 51	/* task queue status */
 52	char task_qid[32];
 53	struct {
 54		u32 read;
 55		u32 write;
 56	} taskq[2];
 57
 58	/* task stack info */
 59	char task_info[32];
 60	struct {
 61		u32 start;
 62		u32 end;
 63		u32 size;
 64	} taski[2];
 65
 66	/* firmware context */
 67	char fw_context[24];
 68	struct {
 69		u32 idx;
 70		u32 handler;
 71	} context;
 72
 73	/* link registers calltrace */
 74	u32 call_stack[16];
 75
 76	/* memory content */
 77	u8 data[];
 78} __packed;
 79
 80struct mt7915_coredump_mem {
 81	u32 len;
 82	u8 data[];
 83} __packed;
 84
 85struct mt7915_mem_hdr {
 86	u32 start;
 87	u32 len;
 88	u8 data[];
 89};
 90
 91struct mt7915_mem_region {
 92	u32 start;
 93	size_t len;
 94
 95	const char *name;
 96};
 97
 98#ifdef CONFIG_DEV_COREDUMP
 99
100const struct mt7915_mem_region *
101mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num);
102struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev);
103int mt7915_coredump_submit(struct mt7915_dev *dev);
104int mt7915_coredump_register(struct mt7915_dev *dev);
105void mt7915_coredump_unregister(struct mt7915_dev *dev);
106
107#else /* CONFIG_DEV_COREDUMP */
108
109static inline const struct mt7915_mem_region *
110mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num)
111{
112	return NULL;
113}
114
115static inline int mt7915_coredump_submit(struct mt7915_dev *dev)
116{
117	return 0;
118}
119
120static inline struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev)
121{
122	return NULL;
123}
124
125static inline int mt7915_coredump_register(struct mt7915_dev *dev)
126{
127	return 0;
128}
129
130static inline void mt7915_coredump_unregister(struct mt7915_dev *dev)
131{
132}
133
134#endif /* CONFIG_DEV_COREDUMP */
135
136#endif /* _COREDUMP_H_ */