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c75c398be6
linux/drivers/net/wireless
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Mohammed Shafi Shajakhan c75c398be6 ath10k: dump Copy Engine registers during firmware crash 
Dump Copy Engine source and destination ring addresses.
This is useful information to debug firmware crashes, assertes or hangs over long run
assessing the Copy Engine Register status. This also enables dumping CE
register status in debugfs Crash Dump file.

Screenshot:

ath10k_pci 0000:02:00.0: simulating hard firmware crash
ath10k_pci 0000:02:00.0: firmware crashed! (uuid 84901ff5-d33c-456e-93ee-0165dea643cf)
ath10k_pci 0000:02:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043202ff sub 0000:0000
ath10k_pci 0000:02:00.0: kconfig debug 1 debugfs 1 tracing 1 dfs 1 testmode 1
ath10k_pci 0000:02:00.0: firmware ver 10.2.4.70.59-2 api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 4159f498
ath10k_pci 0000:02:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
ath10k_pci 0000:02:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal otp max-sta 128 raw 0 hwcrypto 1
ath10k_pci 0000:02:00.0: firmware register dump:
ath10k_pci 0000:02:00.0: [00]: 0x4100016C 0x00000000 0x009A0F2A 0x00000000
ath10k_pci 0000:02:00.0: [04]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [08]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [12]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [16]: 0x00000000 0x00000000 0x00000000 0x009A0F2A
ath10k_pci 0000:02:00.0: [20]: 0x00000000 0x00401930 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [24]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [28]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [32]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [36]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [40]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [44]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [48]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [52]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: [56]: 0x00000000 0x00000000 0x00000000 0x00000000
ath10k_pci 0000:02:00.0: Copy Engine register dump:
ath10k_pci 0000:02:00.0: [00]: 0x00057400   7   7   3   3
ath10k_pci 0000:02:00.0: [01]: 0x00057800  18  18  85  86
ath10k_pci 0000:02:00.0: [02]: 0x00057c00  49  49  48  49
ath10k_pci 0000:02:00.0: [03]: 0x00058000  16  16  17  16
ath10k_pci 0000:02:00.0: [04]: 0x00058400   4   4  44   4
ath10k_pci 0000:02:00.0: [05]: 0x00058800  12  12  11  12
ath10k_pci 0000:02:00.0: [06]: 0x00058c00   3   3   3   3
ath10k_pci 0000:02:00.0: [07]: 0x00059000   0   0   0   0
ieee80211 phy0: Hardware restart was requested
ath10k_pci 0000:02:00.0: device successfully recovered

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
[kvalo@qca.qualcomm.com: simplify the implementation]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-01-19 15:19:24 +02:00
..
admtek adm80211: return an error if adm8211_alloc_rings() fails 2016-12-30 13:29:21 +02:00
ath ath10k: dump Copy Engine registers during firmware crash 2017-01-19 15:19:24 +02:00
atmel Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
broadcom wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
cisco net: use core MTU range checking in wireless drivers 2016-10-20 14:51:08 -04:00
intel wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
intersil wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
marvell libertas: constify cfg80211_ops structures 2016-12-30 15:56:07 +02:00
mediatek Makefile: drop -D__CHECK_ENDIAN__ from cflags 2016-12-16 00:13:43 +02:00
ralink wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
realtek wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
rsi rsi: Add support for 802.11d 2016-11-25 11:47:36 +02:00
st cw1200: fix bogus maybe-uninitialized warning 2016-11-17 08:47:58 +02:00
ti wireless-drivers-next patches for 4.11 2017-01-02 15:23:34 -05:00
zydas net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
Kconfig wireless: deprecate WDS and disable by default 2016-10-27 09:08:43 +02:00
mac80211_hwsim.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-22 13:27:16 -05:00
mac80211_hwsim.h drivers/wireless: use nla_put_u64_64bit() 2016-04-26 12:00:48 -04:00
Makefile
ray_cs.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ray_cs.h
rayctl.h
rndis_wlan.c nl80211: support beacon report scanning 2016-07-06 14:51:31 +02:00
wl3501_cs.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
wl3501.h