AtaPortReadRegisterBufferUchar function (irb.h)

The AtaPortReadRegisterBufferUchar routine transfers a specified number of unsigned bytes from the HBA to a buffer.

Note  The ATA port driver and ATA miniport driver models may be altered or unavailable in the future. Instead, we recommend using the Storport driver and Storport miniport driver models.

 

Syntax

void AtaPortReadRegisterBufferUchar(
  [in] PUCHAR Register,
  [in] PUCHAR Buffer,
  [in] ULONG  Count
);

Parameters

[in] Register

Contains the register address where the transfer should begin. This address value must be within the range of mapped I/O space addresses that are obtained by a call to AtaPortGetDeviceBase.

[in] Buffer

A pointer to the destination buffer.

[in] Count

Specifies the number of bytes to read from the HBA.

Return value

None

Requirements

Requirement	Value
Target Platform	Desktop
Header	irb.h (include Ata.h, Irb.h)
Library	Ataport.lib; Pciidex.lib

See also

AtaPortGetDeviceBase

AtaPortReadRegisterBufferUlong

AtaPortReadRegisterBufferUshort