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OALPCIGetSecBusNum (Compact 2013)

10/16/2014

This function is a helper function used by the KITL to read the secondary bus number in a PCI bus configuration register.

Syntax

UINT8 OALPCIGetSecBusNum(
  UINT32 busId,
  OAL_PCI_LOCATION pciLoc
);

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.

Return Value

Returns the secondary bus number.

Remarks

OALPCIGetSecBusNum should only be called for the PCI bridge.

Requirements

Header

oal_pci.h

Library

Developer Implemented

See Also

Reference

PCI Functions