[PATCH v5 3/5] arm_mpam: resctrl: Add resctrl_arch_config_cntr() for ABMC use

[Gavin Shan]

On 7/8/26 2:24 AM, Ben Horgan wrote:
> From: James Morse <james.morse at arm.com>
> 
> ABMC, mbm_event mode, has a helper resctrl_arch_config_cntr() for changing
> the mapping between 'cntr_id' and a CLOSID/RMID pair.
> 
> Add the helper.
> 
> For MPAM this is done by updating the mon->mbwu_idx_to_mon[] array, and as
> usual CDP means it needs doing in three different ways.
> 
> Signed-off-by: James Morse <james.morse at arm.com>
> Signed-off-by: Ben Horgan <ben.horgan at arm.com>
> Tested-by: Shaopeng Tan <tan.shaopeng at jp.fujitsu.com>
> Tested-by: Fenghua Yu <fenghuay at nvidia.com>
> Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>
> Reviewed-by: Shaopeng Tan <tan.shaopeng at jp.fujitsu.com>
> Reviewed-by: Fenghua Yu <fenghuay at nvidia.com>
> ---
> Changes since new rfc:
> Mention mbm_event mode in commit message
> 
> Changes since v3:
> Warning bound (Sashiko)
> 
> Changes since v4:
> resctrl_arch_reset_rmid() -> reset_arch_reset_cntr()
> ---
>   drivers/resctrl/mpam_resctrl.c | 48 +++++++++++++++++++++++++++++-----
>   1 file changed, 42 insertions(+), 6 deletions(-)
> 

Reviewed-by: Gavin Shan <gshan at redhat.com>