ReadPciConfigDwordEx

This function reads a DWORD value from the specified PCI configuration address.

Syntax

BOOL ReadPciConfigDwordEx(
    DWORD pciAddress,
    DWORD regAddress,
    PDWORD 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, 1, 2 ... 0xFFFFFFFC)
• value
  [out] a DWORD value read from the specified PCI configuration address

Return Values

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.

Remarks

regAddress supports 32 bit value.

Requirements

• WinRing0 1.2 or later

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