AtaPortReadPortUchar - NtDoc
Native API online documentation, based on the System Informer
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headers
// irb.h
UCHAR AtaPortReadPortUchar(
[in] PUCHAR Port
);
View the official Windows Driver Kit DDI referenceNo description available.
The AtaPortReadPortUchar routine reads an unsigned byte value from 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.
Port [in]A pointer to the I/O port. 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.
AtaPortReadPortUchar returns a UCHAR value from the HBA's I/O port.