Seevalamuthu Mariappan <quic_seevalam@xxxxxxxxxxx> wrote: > Add debugfs interface "fw_dbglog_config" to configure firmware log level. > Configuration is done via WMI command WMI_DBGLOG_CFG_CMDID. > > Command to configure, > echo "<dbglog_param> <values>" > > /sys/kernel/debug/ath11k/<hw>/macX/fw_dbglog_config > > where dbglog_param can be, > 1) WMI_DEBUG_LOG_PARAM_LOG_LEVEL - configure log level for a given module > here, <values> = <0xaaaa00bb>, 'aaaa' - module id and 'bb' - loglevel > 2) WMI_DEBUG_LOG_PARAM_VDEV_ENABLE - enable debug log for a given vdev > here, <values> = vdev_id > 3) WMI_DEBUG_LOG_PARAM_VDEV_DISABLE - disable debug log for a given vdev > except ERROR logs > here, <values> = vdev_id > 4) WMI_DEBUG_LOG_PARAM_VDEV_ENABLE_BITMAP - set vdev enable bitmap > here, <values> = vdev_enable_bitmap > 5) WMI_DEBUG_LOG_PARAM_MOD_ENABLE_BITMAP - set a given log level to all the > modules specified in the module bitmap. Command to configure for this log param, > > $ echo "5 <values> <module_id_index> <is_end>" > > /sys/kernel/debug/ath11k/<hw>/macX/fw_dbglog_config > here, > <values> = <0xaaaaaaaa000000bb>, 'aaaaaaaa' - module bitmap and > 'bb' - loglevel > <module_id_index> = index of module bitmap. Max module id is 512. > So, module_id_index is 0-15. > <is_end> = to indicate if more configuration to follow. > > 6) WMI_DEBUG_LOG_PARAM_WOW_MOD_ENABLE_BITMAP - Wow mode specific logging enable. > Command to configure for this log param, > > $ echo "6 <values> <module_id_index> <is_end>" > > /sys/kernel/debug/ath11k/<hw>/macX/fw_dbglog_config > here, > <values> = <0xaaaaaaaa000000bb>, 'aaaaaaaa' - module bitmap and > 'bb' - loglevel > <module_id_index> = index of module bitmap. Max module id is 512. > So, module_id_index is 0-15. > <is_end> = to indicate if more configuration to follow. > > Sample command usage, > > To enable module WLAN_MODULE_WMI and log level ATH11K_FW_DBGLOG_VERBOSE, > echo "1 0x10001" > /sys/kernel/debug/ath11k/<hw>/macX/fw_dbglog_config > > To enable module bit map from 32 to 63 and log level ATH11K_FW_DBGLOG_VERBOSE, > echo "5 0xffffffff00000001 1 1" > /sys/kernel/debug/ath11k/<hw>/macX/fw_dbglog_config > > Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Seevalamuthu Mariappan <quic_seevalam@xxxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. f295ad912910 ath11k: Add debugfs interface to configure firmware debug log level -- https://patchwork.kernel.org/project/linux-wireless/patch/1642405103-32302-1-git-send-email-quic_seevalam@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
