drivers/net/wireless/mediatek/mt76/mt7915/coredump.h

   1 /* SPDX-License-Identifier: ISC */
   2 /* Copyright (C) 2022 MediaTek Inc. */
   3
   4 #ifndef _COREDUMP_H_
   5 #define _COREDUMP_H_
   6
   7 #include "mt7915.h"
   8
   9 struct trace {
  10         u32 id;
  11         u32 timestamp;
  12 };
  13
  14 struct 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
  80 struct mt7915_coredump_mem {
  81         u32 len;
  82         u8 data[];
  83 } __packed;
  84
  85 struct mt7915_mem_hdr {
  86         u32 start;
  87         u32 len;
  88         u8 data[];
  89 };
  90
  91 struct mt7915_mem_region {
  92         u32 start;
  93         size_t len;
  94
  95         const char *name;
  96 };
  97
  98 #ifdef CONFIG_DEV_COREDUMP
  99
 100 const struct mt7915_mem_region *
 101 mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num);
 102 struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev);
 103 int mt7915_coredump_submit(struct mt7915_dev *dev);
 104 int mt7915_coredump_register(struct mt7915_dev *dev);
 105 void mt7915_coredump_unregister(struct mt7915_dev *dev);
 106
 107 #else /* CONFIG_DEV_COREDUMP */
 108
 109 static inline const struct mt7915_mem_region *
 110 mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num)
 111 {
 112         return NULL;
 113 }
 114
 115 static inline int mt7915_coredump_submit(struct mt7915_dev *dev)
 116 {
 117         return 0;
 118 }
 119
 120 static inline struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev)
 121 {
 122         return NULL;
 123 }
 124
 125 static inline int mt7915_coredump_register(struct mt7915_dev *dev)
 126 {
 127         return 0;
 128 }
 129
 130 static inline void mt7915_coredump_unregister(struct mt7915_dev *dev)
 131 {
 132 }
 133
 134 #endif /* CONFIG_DEV_COREDUMP */
 135
 136 #endif /* _COREDUMP_H_ */