On Sat, Jun 3, 2023 at 1:11 AM Luben Tuikov <luben.tuikov@xxxxxxx> wrote:
>
> Report the number of records stored in the RAS EEPROM table in debugfs.
>
> This can be used by user-space to calculate the capacity of the RAS EEPROM
> table since "bad_page_cnt_threshold" is also reported in the same place in
> debugfs.
>
> See commit reference 7fb6407145479d (drm/amdgpu: Add bad_page_cnt_threshold to
> debugfs, 2021-04-13).
>
> ras_num_recs can already be inferred by dumping the RAS EEPROM table, also in
> the same debugfs location, see commit reference c65b0805e77919 (drm/amdgpu:
> RAS EEPROM table is now in debugfs, 2021-04-08). This commit makes it an
> integer value easily shown in a single file.
>
> Cc: Alex Deucher <Alexander.Deucher@xxxxxxx>
> Cc: Hawking Zhang <Hawking.Zhang@xxxxxxx>
> Cc: Tao Zhou <tao.zhou1@xxxxxxx>
> Cc: Stanley Yang <Stanley.Yang@xxxxxxx>
> Cc: John Clements <john.clements@xxxxxxx>
> Signed-off-by: Luben Tuikov <luben.tuikov@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index f2da69adcd9d48..68163890f9632d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -1487,6 +1487,7 @@ static int amdgpu_ras_sysfs_remove_all(struct amdgpu_device *adev)
> static struct dentry *amdgpu_ras_debugfs_create_ctrl_node(struct amdgpu_device *adev)
> {
> struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
> + struct amdgpu_ras_eeprom_control *eeprom = &con->eeprom_control;
> struct drm_minor *minor = adev_to_drm(adev)->primary;
> struct dentry *dir;
>
> @@ -1497,6 +1498,7 @@ static struct dentry *amdgpu_ras_debugfs_create_ctrl_node(struct amdgpu_device *
> &amdgpu_ras_debugfs_eeprom_ops);
> debugfs_create_u32("bad_page_cnt_threshold", 0444, dir,
> &con->bad_page_cnt_threshold);
> + debugfs_create_u32("ras_num_recs", 0444, dir, &eeprom->ras_num_recs);
> debugfs_create_x32("ras_hw_enabled", 0444, dir, &adev->ras_hw_enabled);
> debugfs_create_x32("ras_enabled", 0444, dir, &adev->ras_enabled);
> debugfs_create_file("ras_eeprom_size", S_IRUGO, dir, adev,
>
> base-commit: e82c20a87511115677528a5e01e58b7763a42edf
> --
> 2.41.0
>
