Intel Extensible Firmware Interface - Manual (Page 457)

Protocols — PCI Bus Support
Version 1.10 12/01/02 12-39
Status Codes Returned
EFI_SUCCESS The set of attributes specified by Attributes for the resource
range specified by ResourceBase and ResourceLength
were set on the PCI root bridge, and the actual resource range is
returned in
ResuourceBase and ResourceLength .
EFI_UNSUPPORTED A bit is set in Attributes that is not supported by the PCI Root
Bridge. The supported attribute bits are reported by
GetAttributes() .
EFI_INVALID_PARAMETER More than one attribute bit is set in Attributes that requires a
resource range.
EFI_INVALID_PARAMETER A resource range is required, and ResourceBase is NULL .
EFI_INVALID_PARAMETER A resource range is required, and ResourceLength is NULL .
EFI_OUT_OF_RESOURCES There are not enough resources to set the attributes on the
resource range specified by
BaseAddress and Length .