diff options
| author | Zong-Zhe Yang <kevin_yang@realtek.com> | 2021-05-28 06:29:00 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-06-22 18:21:31 +0300 |
| commit | 7b80f3e48c4b0ff85ff91945a2537d0bbc3e3cc4 (patch) | |
| tree | 9f850c171b881aeeeaaf7f5a02bc7b41e42d6d5a /drivers/net/wireless/realtek/rtw88/rtw8822c.c | |
| parent | a853d234e179086040912a8bbb3341829c079495 (diff) | |
| download | linux-7b80f3e48c4b0ff85ff91945a2537d0bbc3e3cc4.tar.xz | |
rtw88: dump FW crash via devcoredump
Use device coredump framework instead of print_hex_dump to support
FW crash dump. Pass data to the framework if preparing and dumping
are successful. The framework will take the ownership of the data.
The data will be freed after the framework determines its lifetime
is over. A new coredump will not work if the previous one still
exists.
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/20210528032901.12927-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8822c.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8822c.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 1a6721611dc1..8bf3cd3a3678 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -2109,13 +2109,51 @@ static int rtw8822c_mac_init(struct rtw_dev *rtwdev) return 0; } -static void rtw8822c_dump_fw_crash(struct rtw_dev *rtwdev) +#define FWCD_SIZE_REG_8822C 0x2000 +#define FWCD_SIZE_DMEM_8822C 0x10000 +#define FWCD_SIZE_IMEM_8822C 0x10000 +#define FWCD_SIZE_EMEM_8822C 0x20000 +#define FWCD_SIZE_ROM_8822C 0x10000 + +static const u32 __fwcd_segs_8822c[] = { + FWCD_SIZE_REG_8822C, + FWCD_SIZE_DMEM_8822C, + FWCD_SIZE_IMEM_8822C, + FWCD_SIZE_EMEM_8822C, + FWCD_SIZE_ROM_8822C, +}; + +static const struct rtw_fwcd_segs rtw8822c_fwcd_segs = { + .segs = __fwcd_segs_8822c, + .num = ARRAY_SIZE(__fwcd_segs_8822c), +}; + +static int rtw8822c_dump_fw_crash(struct rtw_dev *rtwdev) { - rtw_dump_reg(rtwdev, 0x0, 0x2000, "rtw8822c reg_"); - rtw_dump_fw(rtwdev, OCPBASE_DMEM_88XX, 0x10000, "rtw8822c DMEM_"); - rtw_dump_fw(rtwdev, OCPBASE_IMEM_88XX, 0x10000, "rtw8822c IMEM_"); - rtw_dump_fw(rtwdev, OCPBASE_EMEM_88XX, 0x20000, "rtw8822c EMEM_"); - rtw_dump_fw(rtwdev, OCPBASE_ROM_88XX, 0x10000, "rtw8822c ROM_"); +#define __dump_fw_8822c(_dev, _mem) \ + rtw_dump_fw(_dev, OCPBASE_ ## _mem ## _88XX, \ + FWCD_SIZE_ ## _mem ## _8822C, RTW_FWCD_ ## _mem) + int ret; + + ret = rtw_dump_reg(rtwdev, 0x0, FWCD_SIZE_REG_8822C); + if (ret) + return ret; + ret = __dump_fw_8822c(rtwdev, DMEM); + if (ret) + return ret; + ret = __dump_fw_8822c(rtwdev, IMEM); + if (ret) + return ret; + ret = __dump_fw_8822c(rtwdev, EMEM); + if (ret) + return ret; + ret = __dump_fw_8822c(rtwdev, ROM); + if (ret) + return ret; + + return 0; + +#undef __dump_fw_8822c } static void rtw8822c_rstb_3wire(struct rtw_dev *rtwdev, bool enable) @@ -5287,6 +5325,7 @@ struct rtw_chip_info rtw8822c_hw_spec = { .coex_info_hw_regs = coex_info_hw_regs_8822c, .fw_fifo_addr = {0x780, 0x700, 0x780, 0x660, 0x650, 0x680}, + .fwcd_segs = &rtw8822c_fwcd_segs, }; EXPORT_SYMBOL(rtw8822c_hw_spec); |