WDC_PciReadCfgBySlot()

DWORD DLLCALLCONV WDC_PciReadCfgBySlot	(	_In_ WD_PCI_SLOT *	pPciSlot,
		_In_ DWORD	dwOffset,
		_Outptr_ PVOID	pData,
		_In_ DWORD	dwBytes
	)

Read/write a block of any length from the PCI configuration space.

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Access PCI configuration space

Identify device by its location. Reads data 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]	pPciSlot	Pointer to a PCI device location information structure, which can be acquired by calling WDC_PciScanDevices()
[in]	dwOffset	The offset from the beginning of the PCI configuration space to read from.
[out]	pData	Pointer to a buffer to be filled with the data that is read from the PCI configuration space.
[in]	dwBytes	The number of bytes to read.

Returns

Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise