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wifi: mt76: mt7915: enable coredump support

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Host triggered and catastrophic event triggered firmware core dumping
for basic firmware issues triage, including state reporting, task/irq
info, function calltrace and MCU memory dump.

Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ryder Lee
2022-11-11 11:38:25 +01:00
committed by Felix Fietkau
parent 6b0668de7a
commit a5e48378d2
9 changed files with 740 additions and 8 deletions
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mt7915/mt7915.h
+22
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@@ -224,6 +224,15 @@ struct mib_stats {
u32 tx_amsdu_cnt;
};
/* crash-dump */
struct mt7915_crash_data {
guid_t guid;
struct timespec64 timestamp;
u8 *memdump_buf;
size_t memdump_buf_len;
};
struct mt7915_hif {
struct list_head list;
@@ -305,6 +314,7 @@ struct mt7915_dev {
struct work_struct init_work;
struct work_struct rc_work;
struct work_struct dump_work;
struct work_struct reset_work;
wait_queue_head_t reset_wait;
@@ -317,6 +327,14 @@ struct mt7915_dev {
bool restart:1;
} recovery;
/* protects coredump data */
struct mutex dump_mutex;
#ifdef CONFIG_DEV_COREDUMP
struct {
struct mt7915_crash_data *crash_data;
} coredump;
#endif
struct list_head sta_rc_list;
struct list_head sta_poll_list;
struct list_head twt_list;
@@ -562,6 +580,9 @@ static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
}
void mt7915_memcpy_fromio(struct mt7915_dev *dev, void *buf, u32 offset,
size_t len);
void mt7915_mac_init(struct mt7915_dev *dev);
u32 mt7915_mac_wtbl_lmac_addr(struct mt7915_dev *dev, u16 wcid, u8 dw);
bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
@@ -581,6 +602,7 @@ void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
void mt7915_mac_work(struct work_struct *work);
void mt7915_mac_reset_work(struct work_struct *work);
void mt7915_mac_dump_work(struct work_struct *work);
void mt7915_mac_sta_rc_work(struct work_struct *work);
void mt7915_mac_update_stats(struct mt7915_phy *phy);
void mt7915_mac_twt_teardown_flow(struct mt7915_dev *dev,