Re: [PATCH V3 01/20] nvdimm/label: Introduce NDD_REGION_LABELING flag to set region label

Jonathan Cameron
2025-09-17T14:35:41Z

On Wed, 17 Sep 2025 18:59:21 +0530
Neeraj Kumar <s.neeraj@samsung.com> wrote:

> Prior to LSA 2.1 version, LSA contain only namespace labels. LSA 2.1
> introduced in CXL 2.0 Spec, which contain region label along with
> namespace label.
>
> NDD_LABELING flag is used for namespace. Introduced NDD_REGION_LABELING
> flag for region label. Based on these flags nvdimm driver performs
> operation on namespace label or region label.
>
> NDD_REGION_LABELING will be utilized by cxl driver to enable LSA 2.1
> region label support
>
> Accordingly updated label index version
>
> Signed-off-by: Neeraj Kumar <s.neeraj@samsung.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>