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AtaPortWriteRegisterBufferUchar function (irb.h)

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The AtaPortWriteRegisterBufferUchar routine transfers the indicated number of unsigned bytes from a buffer to the HBA.

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

Parameters

[in] Register

Contains the destination 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 source buffer.

[in] Count

Specifies the number of unsigned bytes to write to 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

AtaPortWriteRegisterBufferUlong

AtaPortWriteRegisterBufferUshort