For type checking we need an enum.
Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@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
--
2.30.2
