opal_sum_ranges
struct opal_sum_ranges *sranges = data;
static int opal_get_sum_ranges(struct opal_dev *dev, struct opal_sum_ranges *opal_sum_rngs,
if (!ret && copy_to_user(data + offsetof(struct opal_sum_ranges, num_lrs),
(void *)opal_sum_rngs + offsetof(struct opal_sum_ranges, num_lrs),
sizeof(*opal_sum_rngs) - offsetof(struct opal_sum_ranges, num_lrs))) {
#define IOC_OPAL_GET_SUM_STATUS _IOW('p', 245, struct opal_sum_ranges)