For type checking we need an enum.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- include/efi.h | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-)
diff --git a/include/efi.h b/include/efi.h index 6417a9b8c5..4eb573a280 100644 --- a/include/efi.h +++ b/include/efi.h @@ -125,6 +125,34 @@ struct efi_table_hdr { u32 reserved; };
+/* Allocation types for calls to boottime->allocate_pages*/ +/** + * enum efi_allocate_type - address restriction for memory allocation + */ +enum efi_allocate_type { + /** + * @EFI_ALLOCATE_ANY_PAGES: + * Allocate any block of sufficient size. Ignore memory address. + */ + EFI_ALLOCATE_ANY_PAGES, + /** + * @EFI_ALLOCATE_MAX_ADDRESS: + * Allocate a memory block with an uppermost address less or equal + * to the indicated address. + */ + EFI_ALLOCATE_MAX_ADDRESS, + /** + * @EFI_ALLOCATE_ADDRESS: + * Allocate a memory block starting at the indicated address. + */ + EFI_ALLOCATE_ADDRESS, + /** + * @EFI_MAX_ALLOCATE_TYPE: + * Value use for range checking. + */ + EFI_MAX_ALLOCATE_TYPE, +}; + /* Enumeration of memory types introduced in UEFI */ enum efi_mem_type { EFI_RESERVED_MEMORY_TYPE, @@ -224,12 +252,6 @@ struct efi_mem_desc {
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
-/* Allocation types for calls to boottime->allocate_pages*/ -#define EFI_ALLOCATE_ANY_PAGES 0 -#define EFI_ALLOCATE_MAX_ADDRESS 1 -#define EFI_ALLOCATE_ADDRESS 2 -#define EFI_MAX_ALLOCATE_TYPE 3 - /* Types and defines for Time Services */ #define EFI_TIME_ADJUST_DAYLIGHT 0x1 #define EFI_TIME_IN_DAYLIGHT 0x2