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-rw-r--r--include/linux/efi.h16
1 files changed, 5 insertions, 11 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index df7acb51f3cc..f196dd0b0f2f 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -21,6 +21,7 @@
#include <linux/pfn.h>
#include <linux/pstore.h>
#include <linux/reboot.h>
+#include <linux/uuid.h>
#include <linux/screen_info.h>
#include <asm/page.h>
@@ -44,17 +45,10 @@ typedef u16 efi_char16_t; /* UNICODE character */
typedef u64 efi_physical_addr_t;
typedef void *efi_handle_t;
-
-typedef struct {
- u8 b[16];
-} efi_guid_t;
+typedef uuid_le efi_guid_t;
#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
-((efi_guid_t) \
-{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
- (b) & 0xff, ((b) >> 8) & 0xff, \
- (c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+ UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
/*
* Generic EFI table header
@@ -1011,7 +1005,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm,
/* Iterate through an efi_memory_map */
#define for_each_efi_memory_desc_in_map(m, md) \
for ((md) = (m)->map; \
- (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
+ ((void *)(md) + (m)->desc_size) <= (m)->map_end; \
(md) = (void *)(md) + (m)->desc_size)
/**
@@ -1117,7 +1111,7 @@ extern int efi_status_to_err(efi_status_t status);
* Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"))
* not including trailing NUL
*/
-#define EFI_VARIABLE_GUID_LEN 36
+#define EFI_VARIABLE_GUID_LEN UUID_STRING_LEN
/*
* The type of search to perform when calling boottime->locate_handle