Pcie_AtuRegionParams Struct Reference

Detailed Description

This Structure defines the ATU region parameters.

These parameters are used for configuring inbound or outbound ATU(Address translation unit) region

Data Fields
Pcie_AtuRegionDir	regionDir
Pcie_TlpType	tlpType
uint32_t	enableRegion
Pcie_AtuRegionMatchMode	matchMode
uint32_t	barNumber
uint32_t	lowerBaseAddr
uint32_t	upperBaseAddr
uint64_t	regionWindowSize
uint32_t	lowerTargetAddr
uint32_t	upperTargetAddr

Field Documentation

regionDir

Pcie_AtuRegionDir Pcie_AtuRegionParams::regionDir

Region direction Inbound or Outbound Values given by enum Pcie_AtuRegionDir

tlpType

Pcie_TlpType Pcie_AtuRegionParams::tlpType

TLP(transaction layer packet) type Values given by enum Pcie_TlpType

enableRegion

uint32_t Pcie_AtuRegionParams::enableRegion

Region enable or disable

matchMode

Pcie_AtuRegionMatchMode Pcie_AtuRegionParams::matchMode

Region match mode Address match or BAR match (not supported) Values given by enum Pcie_AtuRegionMatchMode

barNumber

uint32_t Pcie_AtuRegionParams::barNumber

BAR number with which the region is associated Possible values for EP : 0 to 5 Possible values for RC : 0 to 1 for 32bit and 0 for 64bit

lowerBaseAddr

uint32_t Pcie_AtuRegionParams::lowerBaseAddr

Lower base address: must be aligned to regionWindowSize For outbound configuration this contains outbound region offset For inbound configuration this contains inbound PCIe start address

upperBaseAddr

uint32_t Pcie_AtuRegionParams::upperBaseAddr

Upper base address Higher 32 bits in case of 64 bit addressing Configured to 0 for 32 bit addressing

regionWindowSize

uint64_t Pcie_AtuRegionParams::regionWindowSize

Region window size: must be a power of two For outbound configuration this contains outbound window size For inbound configuration this contains PCIe inbound window size

lowerTargetAddr

uint32_t Pcie_AtuRegionParams::lowerTargetAddr

Lower Target address: must be aligned to regionWindowSize For outbound configuration this contains outbound PCIe start offset For inbound configuration this contains destination address

upperTargetAddr

uint32_t Pcie_AtuRegionParams::upperTargetAddr

Upper target address Higher 32 bits in case of 64 bit addressing Configured to 0 for 32 bit addressing