[PATCH] drm/xe/pf: Expose PF service details via debugfs

[Piotr Piórkowski]

Michal Wajdeczko <michal.wajdeczko at intel.com> wrote on śro [2024-kwi-24 19:10:30 +0200]:
> For debug purposes we might want to verify which registers values
> PF is sharing with VFs and to view which VF/PF ABI versions were
> negotiated by the VFs. Plug the 'print' functions already provided
> by the PF service code into our debugfs.
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> ---
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
> index ab1a26fce3aa..5102035faa7e 100644
> --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
> +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
> @@ -18,6 +18,7 @@
>  #include "xe_gt_sriov_pf_debugfs.h"
>  #include "xe_gt_sriov_pf_helpers.h"
>  #include "xe_gt_sriov_pf_policy.h"
> +#include "xe_gt_sriov_pf_service.h"
>  #include "xe_pm.h"
>  
>  /*
> @@ -52,6 +53,8 @@ static unsigned int extract_vfid(struct dentry *d)
>   *      │   │   ├── ggtt_provisioned
>   *      │   │   ├── contexts_provisioned
>   *      │   │   ├── doorbells_provisioned
> + *      │   │   ├── runtime_registers
> + *      │   │   ├── negotiated_versions
>   */
>  
>  static const struct drm_info_list pf_info[] = {
> @@ -75,6 +78,16 @@ static const struct drm_info_list pf_info[] = {
>  		.show = xe_gt_debugfs_simple_show,
>  		.data = xe_gt_sriov_pf_config_print_dbs,
>  	},
> +	{
> +		"runtime_registers",
> +		.show = xe_gt_debugfs_simple_show,
> +		.data = xe_gt_sriov_pf_service_print_runtime,
> +	},
> +	{
> +		"negotiated_versions",
> +		.show = xe_gt_debugfs_simple_show,
> +		.data = xe_gt_sriov_pf_service_print_version,
> +	},
>  };
>
LGTM:
Reviewed-by: Piotr Piórkowski <piotr.piorkowski at intel.com>

>  /*
> -- 
> 2.43.0
> 

--