drivers/net/wireless/mediatek/mt76/mt7996/coredump.h

   1 /* SPDX-License-Identifier: ISC */
   2 /* Copyright (C) 2023 MediaTek Inc. */
   3
   4 #ifndef _COREDUMP_H_
   5 #define _COREDUMP_H_
   6
   7 #include "mt7996.h"
   8
   9 struct mt7996_coredump {
  10         char magic[16];
  11
  12         u32 len;
  13
  14         guid_t guid;
  15
  16         /* time-of-day stamp */
  17         u64 tv_sec;
  18         /* time-of-day stamp, nano-seconds */
  19         u64 tv_nsec;
  20         /* kernel version */
  21         char kernel[64];
  22         /* firmware version */
  23         char fw_ver[ETHTOOL_FWVERS_LEN];
  24
  25         u32 device_id;
  26
  27         /* exception state */
  28         char fw_state[12];
  29
  30         /* program counters */
  31         char pc_current[16];
  32         u32 pc_stack[17];
  33         /* link registers */
  34         u32 lr_stack[16];
  35
  36         /* memory content */
  37         u8 data[];
  38 } __packed;
  39
  40 struct mt7996_coredump_mem {
  41         u32 len;
  42         u8 data[];
  43 } __packed;
  44
  45 struct mt7996_mem_hdr {
  46         u32 start;
  47         u32 len;
  48         u8 data[];
  49 };
  50
  51 struct mt7996_mem_region {
  52         u32 start;
  53         size_t len;
  54
  55         const char *name;
  56 };
  57
  58 #ifdef CONFIG_DEV_COREDUMP
  59
  60 const struct mt7996_mem_region *
  61 mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num);
  62 struct mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev);
  63 int mt7996_coredump_submit(struct mt7996_dev *dev);
  64 int mt7996_coredump_register(struct mt7996_dev *dev);
  65 void mt7996_coredump_unregister(struct mt7996_dev *dev);
  66
  67 #else /* CONFIG_DEV_COREDUMP */
  68
  69 static inline const struct mt7996_mem_region *
  70 mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num)
  71 {
  72         return NULL;
  73 }
  74
  75 static inline int mt7996_coredump_submit(struct mt7996_dev *dev)
  76 {
  77         return 0;
  78 }
  79
  80 static inline struct
  81 mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev)
  82 {
  83         return NULL;
  84 }
  85
  86 static inline int mt7996_coredump_register(struct mt7996_dev *dev)
  87 {
  88         return 0;
  89 }
  90
  91 static inline void mt7996_coredump_unregister(struct mt7996_dev *dev)
  92 {
  93 }
  94
  95 #endif /* CONFIG_DEV_COREDUMP */
  96
  97 #endif /* _COREDUMP_H_ */