diff options
| author | Zong-Zhe Yang <kevin_yang@realtek.com> | 2021-03-09 09:01:21 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-03-15 11:27:13 +0300 |
| commit | 13ce240a932fe9c809ec6e79ffc5a4d4ecf534ee (patch) | |
| tree | 3e99dc323cac81c61c22b82d03316fa35d96df32 /drivers/net/wireless/realtek/rtw88/main.h | |
| parent | 50773696301bdd083af57bad82bb99779719f0c7 (diff) | |
| download | linux-13ce240a932fe9c809ec6e79ffc5a4d4ecf534ee.tar.xz | |
rtw88: 8822c: support FW crash dump when FW crash
Although FW crash logs are already supported for dumping in driver, the
logs may not be sufficient to analyze field issues. To improve this part,
we add a support to dump FW memory.
When driver receives FW crash notifications, driver uses DDMA, which is a
HW ability, to copy specified FW memory to FW fifo. Driver can then dump
these information from FW fifo. With this support, not only FW crash log
but also specified FW memory will be dumped while FW crash. Besides,
specified registers are also dumped.
This feature is implemeted on 8822C first due to difference of FW layouts
between ICs. In addition, we add a debugfs to trigger FW crash. It can
simulate the process of crash, dump and reset. Through it, we can also
check if a reset is ongoing.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210309060121.9099-1-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 35afea91fd29..d185209ee3cc 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -805,6 +805,7 @@ struct rtw_regulatory { struct rtw_chip_ops { int (*mac_init)(struct rtw_dev *rtwdev); + void (*dump_fw_crash)(struct rtw_dev *rtwdev); void (*shutdown)(struct rtw_dev *rtwdev); int (*read_efuse)(struct rtw_dev *rtwdev, u8 *map); void (*phy_set_param)(struct rtw_dev *rtwdev); @@ -1876,6 +1877,12 @@ static inline void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id) clear_bit(mac_id, rtwdev->mac_id_map); } +static inline void rtw_chip_dump_fw_crash(struct rtw_dev *rtwdev) +{ + if (rtwdev->chip->ops->dump_fw_crash) + rtwdev->chip->ops->dump_fw_crash(rtwdev); +} + void rtw_get_channel_params(struct cfg80211_chan_def *chandef, struct rtw_channel_params *ch_param); bool check_hw_ready(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target); @@ -1905,5 +1912,9 @@ int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, bool fw_exist); void rtw_fw_recovery(struct rtw_dev *rtwdev); +int rtw_dump_fw(struct rtw_dev *rtwdev, const u32 ocp_src, u32 size, + const char *prefix_str); +int rtw_dump_reg(struct rtw_dev *rtwdev, const u32 addr, const u32 size, + const char *prefix_str); #endif |