Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> wrote: > From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx> > > 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@xxxxxxxxxxxxxxxx> > [kvalo@xxxxxxxxxxxxxxxx: simplify the implementation] > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. c75c398be6ed ath10k: dump Copy Engine registers during firmware crash -- https://patchwork.kernel.org/patch/9518985/ Documentation about submitting wireless patches and checking status from patchwork: https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
