Attributes of the memory region that describe the bit mask of capabilities for that memory region, and not necessarily the current settings for that memory region.
Number of 4KB pages in the memory region.
Physical address of the first byte of the memory region. Must aligned on a 4 KB boundary.
Type of the memory region. See EFI_MEMORY_TYPE.
Virtual address of the first byte of the memory region. Must aligned on a 4 KB boundary.
Definition of an EFI memory descriptor.