PCI Functions (Compact 2013)

10/16/2014

The following table shows the PCI functions.

Programming Element	Description
OALPCICfgRead	This function reads the PCI configuration space.
OALPCICfgWrite	This function writes to the PCI configuration space.
OALPCIConfig	This function provides simple PCI bus configuration. It configures the PCI bus device resources.
OALPCIDumpConfig	This function is a helper function that dumps configuration information for a specific device.
OALPCIDump	This function is a helper function that dumps full PCI bus information for all the devices on the bus.
OALPCIFindNextId	This function searches the PCI bus for cards that match the device ID.
OALPCIGetHeaderType	This function is a helper function used by the KITL to read the header type in a PCI bus configuration register.
OALPCIGetId	This function is a helper function used by the KITL to read specific configuration registers.
OALPCIGetInterruptPin	This function is a helper function used by the KITL to read the interrupt pin in a PCI bus configuration register.
OALPCIGetMBAR	This function is a helper function used by the KITL to read the memory-based address register (MBAR) in a PCI bus configuration register.
OALPCIGetSecBusNum	This function is a helper function used by the KITL to read the secondary bus number in a PCI bus configuration register.
OALPCIGetSubBusNum	This function is a helper function used by the KITL to read the subordinate bus number in a PCI bus configuration register.
OALPCIInit	This function initializes the PCI module. It is called from the OEMInit function to initialize the PCI bus.
OALPCIPowerOff	This function prepares the PCI hardware to be powered off or suspended.
OALPCIPowerOn	This function powers on the PCI hardware, restores the PCI clock, and issues a PCI bus reset.
OALPCIRegisterAsUsed	This function registers the KITL device as used in the OS registry.
OALPCITransBusAddress	This function translates the PCI bus-relative address to the CPU address space.

See Also

Reference

PCI Reference