154         let cmdfis = unsafe {  in read_at()  localVariable
159         volatile_write!(cmdfis.fis_type, FisType::RegH2D as u8);  in read_at()
160         volatile_set_bit!(cmdfis.pm, 1 << 7, true); // command_bit set  in read_at()
161         volatile_write!(cmdfis.command, ATA_CMD_READ_DMA_EXT);  in read_at()
163         volatile_write!(cmdfis.lba0, (lba_id_start & 0xFF) as u8);  in read_at()
164         volatile_write!(cmdfis.lba1, ((lba_id_start >> 8) & 0xFF) as u8);  in read_at()
165         volatile_write!(cmdfis.lba2, ((lba_id_start >> 16) & 0xFF) as u8);  in read_at()
166         volatile_write!(cmdfis.lba3, ((lba_id_start >> 24) & 0xFF) as u8);  in read_at()
167         volatile_write!(cmdfis.lba4, ((lba_id_start >> 32) & 0xFF) as u8);  in read_at()
168         volatile_write!(cmdfis.lba5, ((lba_id_start >> 40) & 0xFF) as u8);  in read_at()
170         volatile_write!(cmdfis.countl, (count & 0xFF) as u8);  in read_at()
171         volatile_write!(cmdfis.counth, ((count >> 8) & 0xFF) as u8);  in read_at()
173         volatile_write!(cmdfis.device, 1 << 6); // LBA Mode  in read_at()
316         let cmdfis = unsafe {  in write_at()  localVariable
321         volatile_write!(cmdfis.fis_type, FisType::RegH2D as u8);  in write_at()
322         volatile_set_bit!(cmdfis.pm, 1 << 7, true); // command_bit set  in write_at()
323         volatile_write!(cmdfis.command, ATA_CMD_WRITE_DMA_EXT);  in write_at()
325         volatile_write!(cmdfis.lba0, (lba_id_start & 0xFF) as u8);  in write_at()
326         volatile_write!(cmdfis.lba1, ((lba_id_start >> 8) & 0xFF) as u8);  in write_at()
327         volatile_write!(cmdfis.lba2, ((lba_id_start >> 16) & 0xFF) as u8);  in write_at()
328         volatile_write!(cmdfis.lba3, ((lba_id_start >> 24) & 0xFF) as u8);  in write_at()
329         volatile_write!(cmdfis.lba4, ((lba_id_start >> 32) & 0xFF) as u8);  in write_at()
330         volatile_write!(cmdfis.lba5, ((lba_id_start >> 40) & 0xFF) as u8);  in write_at()
332         volatile_write!(cmdfis.countl, (count & 0xFF) as u8);  in write_at()
333         volatile_write!(cmdfis.counth, ((count >> 8) & 0xFF) as u8);  in write_at()
335         volatile_write!(cmdfis.device, 1 << 6); // LBA Mode  in write_at()