Class BlockDevice

BlockDevice abstract class. See also: Device.

Inheritance
System.Object
Device
BlockDevice
Ata
ATAPI
Partition
StoragePort
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Cosmos.HAL.BlockDevice
Assembly: Cosmos.HAL2.dll
Syntax
public abstract class BlockDevice : Device

Fields

| Improve this Doc View Source

Devices

Devices list.

Declaration
public static List<BlockDevice> Devices
Field Value
Type Description
System.Collections.Generic.List<BlockDevice>
| Improve this Doc View Source

mBlockCount

Block count.

Declaration
protected ulong mBlockCount
Field Value
Type Description
System.UInt64
| Improve this Doc View Source

mBlockSize

Block size.

Declaration
protected ulong mBlockSize
Field Value
Type Description
System.UInt64

Properties

| Improve this Doc View Source

BlockCount

Get block count.

Declaration
public ulong BlockCount { get; }
Property Value
Type Description
System.UInt64
| Improve this Doc View Source

BlockSize

Get block size.

Declaration
public ulong BlockSize { get; }
Property Value
Type Description
System.UInt64
| Improve this Doc View Source

Type

Declaration
public abstract BlockDeviceType Type { get; }
Property Value
Type Description
BlockDeviceType

Methods

| Improve this Doc View Source

CheckBlockNo(UInt64, UInt64)

Check block number. Not implemented.

Declaration
protected void CheckBlockNo(ulong aBlockNo, ulong aBlockCount)
Parameters
Type Name Description
System.UInt64 aBlockNo

A block number to be checked.
System.UInt64 aBlockCount

A block count.
| Improve this Doc View Source

CheckDataSize(Byte[], UInt64)

Check data size.

Declaration
protected void CheckDataSize(byte[] aData, ulong aBlockCount)
Parameters
Type Name Description
System.Byte[] aData

A data to check the size of.
System.UInt64 aBlockCount

Number of blocks used to store the data.
Exceptions
Type Condition
System.OverflowException

Thrown when data lenght is greater then Int32.MaxValue.
System.Exception

Thrown when data size invalid.
| Improve this Doc View Source

NewBlockArray(UInt64)

Create new block array.

Declaration
public byte[] NewBlockArray(ulong aBlockCount)
Parameters
Type Name Description
System.UInt64 aBlockCount

Number of blocks to alloc.
Returns
Type Description
System.Byte[]

byte array.
| Improve this Doc View Source

ReadBlock(UInt64, UInt64, ref Byte[])

Read block from partition.

Declaration
public abstract void ReadBlock(ulong aBlockNo, ulong aBlockCount, ref byte[] aData)
Parameters
Type Name Description
System.UInt64 aBlockNo

A block to read from.
System.UInt64 aBlockCount

A number of blocks in the partition.
System.Byte[] aData

A data that been read.
Exceptions
Type Condition
System.OverflowException

Thrown when data lenght is greater then Int32.MaxValue.
System.Exception

Thrown when data size invalid.
| Improve this Doc View Source

WriteBlock(UInt64, UInt64, ref Byte[])

Write block to partition.

Declaration
public abstract void WriteBlock(ulong aBlockNo, ulong aBlockCount, ref byte[] aData)
Parameters
Type Name Description
System.UInt64 aBlockNo

A block number to write to.
System.UInt64 aBlockCount

A number of blocks in the partition.
System.Byte[] aData

A data to write.
Exceptions
Type Condition
System.OverflowException

Thrown when data lenght is greater then Int32.MaxValue.
System.Exception

Thrown when data size invalid.