1) Acpi.h - It should be the ACPI definition supporting the latest ACPI specification.
2) These extended tables of ACPI should include the Acpi.h.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3353 6f19259b-4bc3-4df7-8a09-765794883524