On Wed, 21 Sep 2022 08:33:09 -0700
Dave Jiang <dave.ji...@intel.com> wrote:
> Add provider name in order to associate cxl test dimm from cxl_test to the
> cxl pmem device when going through sysfs for security testing.
sysfs ABI docs update?
>
> Signed-off-by: Dave Jiang <dave.ji...@intel.com>
> ---
> drivers/cxl/pmem.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
> index 9f34f8701b57..cb303edb925d 100644
> --- a/drivers/cxl/pmem.c
> +++ b/drivers/cxl/pmem.c
> @@ -48,6 +48,15 @@ static void unregister_nvdimm(void *nvdimm)
> cxl_nvd->bridge = NULL;
> }
>
> +static ssize_t provider_show(struct device *dev, struct device_attribute
> *attr, char *buf)
> +{
> + struct nvdimm *nvdimm = to_nvdimm(dev);
> + struct cxl_nvdimm *cxl_nvd = nvdimm_provider_data(nvdimm);
> +
> + return sysfs_emit(buf, "%s\n", dev_name(&cxl_nvd->dev));
> +}
> +static DEVICE_ATTR_RO(provider);
> +
> static ssize_t id_show(struct device *dev, struct device_attribute *attr,
> char *buf)
> {
> struct nvdimm *nvdimm = to_nvdimm(dev);
> @@ -61,6 +70,7 @@ static DEVICE_ATTR_RO(id);
>
> static struct attribute *cxl_dimm_attributes[] = {
> &dev_attr_id.attr,
> + &dev_attr_provider.attr,
> NULL
> };
>
>
>
