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◆ WDC_PciReadCfgBySlot8()

DWORD DLLCALLCONV WDC_PciReadCfgBySlot8 ( _In_ WD_PCI_SLOT pPciSlot,
_In_ DWORD  dwOffset,
_Outptr_ BYTE pbVal 
)

Read/write 8/16/32/64 bits from the PCI configuration space.

Identify device by its location. Reads 1 byte (8 bits) from a specified offset in a PCI device's configuration space or a PCI Express device's extended configuration space. The device is identified by its location on the PCI bus.

Parameters
[in]pPciSlotPointer to a PCI device location information structure, which can be acquired by calling WDC_PciScanDevices()
[in]dwOffsetThe offset from the beginning of the PCI configuration space to read from.
[out]pbValPointer to a buffer to be filled with the data that is read from the PCI configuration space
Returns
Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise