1793 	struct dvd_layer *layer;  in dvd_read_physical()  local
1816 	layer = &s->physical.layer[layer_num];  in dvd_read_physical()
1822 	memset(layer, 0, sizeof(*layer));  in dvd_read_physical()
1823 	layer->book_version = base[0] & 0xf;  in dvd_read_physical()
1824 	layer->book_type = base[0] >> 4;  in dvd_read_physical()
1825 	layer->min_rate = base[1] & 0xf;  in dvd_read_physical()
1826 	layer->disc_size = base[1] >> 4;  in dvd_read_physical()
1827 	layer->layer_type = base[2] & 0xf;  in dvd_read_physical()
1828 	layer->track_path = (base[2] >> 4) & 1;  in dvd_read_physical()
1829 	layer->nlayers = (base[2] >> 5) & 3;  in dvd_read_physical()
1830 	layer->track_density = base[3] & 0xf;  in dvd_read_physical()
1831 	layer->linear_density = base[3] >> 4;  in dvd_read_physical()
1832 	layer->start_sector = base[5] << 16 | base[6] << 8 | base[7];  in dvd_read_physical()
1833 	layer->end_sector = base[9] << 16 | base[10] << 8 | base[11];  in dvd_read_physical()
1834 	layer->end_sector_l0 = base[13] << 16 | base[14] << 8 | base[15];  in dvd_read_physical()
1835 	layer->bca = base[16] >> 7;  in dvd_read_physical()