AtaPortWriteRegisterUchar - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// irb.h

VOID AtaPortWriteRegisterUchar(
  [in] PUCHAR Register,
  [in] UCHAR  Value
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-irb-ataportwriteregisteruchar)

AtaPortWriteRegisterUchar function

Description

The AtaPortWriteRegisterUchar routine transfers an unsigned byte 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.

Parameters

Register [in]

A pointer to the destination register. The address value that is assigned to this parameter must be within the range of mapped I/O space addresses that are obtained by a call to AtaPortGetDeviceBase.

Value [in]

Specifies the value to write to the register for the HBA.

See also

AtaPortGetDeviceBase

AtaPortWriteRegisterUlong

AtaPortWriteRegisterUshort

View the official Windows Driver Kit DDI reference

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