opal_lr_status
struct opal_lr_status *lrst = data;
struct opal_lr_status *opal_lrst,
if (!ret && copy_to_user(data + offsetof(struct opal_lr_status, range_start),
(void *)opal_lrst + offsetof(struct opal_lr_status, range_start),
sizeof(*opal_lrst) - offsetof(struct opal_lr_status, range_start))) {
#define IOC_OPAL_GET_LR_STATUS _IOW('p', 237, struct opal_lr_status)