131         let cmdfis = unsafe {  in read_at()  localVariable
136         volatile_write!(cmdfis.fis_type, FisType::RegH2D as u8);  in read_at()
137         volatile_set_bit!(cmdfis.pm, 1 << 7, true); // command_bit set  in read_at()
138         volatile_write!(cmdfis.command, ATA_CMD_READ_DMA_EXT);  in read_at()
140         volatile_write!(cmdfis.lba0, (lba_id_start & 0xFF) as u8);  in read_at()
141         volatile_write!(cmdfis.lba1, ((lba_id_start >> 8) & 0xFF) as u8);  in read_at()
142         volatile_write!(cmdfis.lba2, ((lba_id_start >> 16) & 0xFF) as u8);  in read_at()
143         volatile_write!(cmdfis.lba3, ((lba_id_start >> 24) & 0xFF) as u8);  in read_at()
144         volatile_write!(cmdfis.lba4, ((lba_id_start >> 32) & 0xFF) as u8);  in read_at()
145         volatile_write!(cmdfis.lba5, ((lba_id_start >> 40) & 0xFF) as u8);  in read_at()
147         volatile_write!(cmdfis.countl, (count & 0xFF) as u8);  in read_at()
148         volatile_write!(cmdfis.counth, ((count >> 8) & 0xFF) as u8);  in read_at()
150         volatile_write!(cmdfis.device, 1 << 6); // LBA Mode  in read_at()
268         let cmdfis = unsafe {  in write_at()  localVariable
273         volatile_write!(cmdfis.fis_type, FisType::RegH2D as u8);  in write_at()
274         volatile_set_bit!(cmdfis.pm, 1 << 7, true); // command_bit set  in write_at()
275         volatile_write!(cmdfis.command, ATA_CMD_WRITE_DMA_EXT);  in write_at()
277         volatile_write!(cmdfis.lba0, (lba_id_start & 0xFF) as u8);  in write_at()
278         volatile_write!(cmdfis.lba1, ((lba_id_start >> 8) & 0xFF) as u8);  in write_at()
279         volatile_write!(cmdfis.lba2, ((lba_id_start >> 16) & 0xFF) as u8);  in write_at()
280         volatile_write!(cmdfis.lba3, ((lba_id_start >> 24) & 0xFF) as u8);  in write_at()
281         volatile_write!(cmdfis.lba4, ((lba_id_start >> 32) & 0xFF) as u8);  in write_at()
282         volatile_write!(cmdfis.lba5, ((lba_id_start >> 40) & 0xFF) as u8);  in write_at()
284         volatile_write!(cmdfis.countl, (count & 0xFF) as u8);  in write_at()
285         volatile_write!(cmdfis.counth, ((count >> 8) & 0xFF) as u8);  in write_at()
287         volatile_write!(cmdfis.device, 1 << 6); // LBA Mode  in write_at()