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# SCSI_Capacity_Data_Long

```
typedef struct SCSI_Capacity_Data_Long { ... } SCSI_Capacity_Data_Long;
```

## Overview

\discussion Capacity return structure for READ CAPACITY 16 command.

## Topics

### Instance Properties

[`UInt32 BLOCK_LENGTH_IN_BYTES;`](/documentation/DriverKit/SCSI_Capacity_Data_Long/BLOCK_LENGTH_IN_BYTES)

[`UInt64 RETURNED_LOGICAL_BLOCK_ADDRESS;`](/documentation/DriverKit/SCSI_Capacity_Data_Long/RETURNED_LOGICAL_BLOCK_ADDRESS)

[`UInt8 RTO_EN_PROT_EN;`](/documentation/DriverKit/SCSI_Capacity_Data_Long/RTO_EN_PROT_EN)

[`UInt8 Reserved[19];`](/documentation/DriverKit/SCSI_Capacity_Data_Long/Reserved)

---

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