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The ScsiPortReadRegisterBufferUchar routine transfers a specified number of unsigned bytes from the HBA to a buffer.
Note The SCSI port driver and SCSI miniport driver models may be altered or unavailable in the future. Instead, we recommend using the Storport driver and Storport miniport driver models.
Syntax
SCSIPORT_API VOID ScsiPortReadRegisterBufferUchar(
[in] PUCHAR Register,
[in] PUCHAR Buffer,
[in] ULONG Count
);
Parameters
[in] Register
Pointer to the register. The given Register must be in a mapped memory-space range returned by ScsiPortGetDeviceBase.
[in] Buffer
Pointer to the buffer.
[in] Count
Specifies the number of bytes to be read from the HBA.
Return value
None
Remarks
ScsiPortReadRegisterBufferUchar ensures that the data is transferred correctly.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Desktop |
| Header | srb.h (include Miniport.h, Scsi.h, Storport.h) |
| Library | Scsiport.lib |