WritePciConfigDword

This function writes a DWORD value to the specified PCI configuration address.

Syntax

VOID WritePciConfigDword(
    DWORD pciAddress,
    BYTE regAddress,
    DWORD value
);

Parameters

• pciAddress
  [in] PCI device address
  

  bit	description
  0- 2	Function Number
  3- 7	Device Number
  8-15	PCI Bus Number
  16-31	Reserved

• regAddress
  [in] Configuration register address (0, 4, 8 ... 252)
• value
  [in] a DWORD value to write to the configuration register

Return Values

None

Remarks

Requirements

• WinRing0 1.0 or later

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