[PATCHv2] ath11k: Add debugfs interface to configure firmware debug log level

[Kalle Valo]

Seevalamuthu Mariappan <quic_seevalam at quicinc.com> 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 at quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>

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@quicinc.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches