OALPCIGetMBAR (Compact 2013)

10/16/2014

This function is a helper function used by the KITL to read the memory-based address register (MBAR) in a PCI bus configuration register.

Syntax

UINT32 OALPCIGetMBAR(
  UINT32 busId,
  OAL_PCI_LOCATION pciLoc,
  UINT32 index
);

Parameters

• busId
  [in] Identifies the PCI bus controller if there are multiple PCI bus controllers on the system. Set this parameter to 0 to represent the first bus controller, set this value to 1 to represent the second bus controller, and so on.

• pciLoc
  [in] Specifies an OAL_PCI_LOCATION structure.

• index
  [in] Specifies the index for the MBAR to read. Valid values include 0, 1, and 2.

Return Value

Returns the value read from the MBAR.

Requirements

See Also

Reference

PCI Functions