Data Fields | |
EFI_PHYSICAL_ADDRESS | BaseAddress |
UINT64 | Length |
EFI_GCD_IO_TYPE | GcdIoType |
EFI_HANDLE | ImageHandle |
EFI_HANDLE | DeviceHandle |
Physical address of the first byte in the I/O region. Type EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function description in the UEFI 2.0 specification.
The device handle for which the I/O resource has been allocated. If ImageHandle is NULL, then the I/O resource is not currently allocated. If this field is NULL, then the I/O resource is not associated with a device that is described by a device handle. Type EFI_HANDLE is defined in InstallProtocolInterface() in the UEFI 2.0 specification.
Type of the I/O region. Type EFI_GCD_IO_TYPE is defined in the AddIoSpace() function description.
The image handle of the agent that allocated the I/O resource described by PhysicalStart and NumberOfBytes. If this field is NULL, then the I/O resource is not currently allocated. Type EFI_HANDLE is defined in InstallProtocolInterface() in the UEFI 2.0 specification.
Number of bytes in the I/O region.