Merge tag 'next-20220328' of https://source.denx.de/u-boot/custodians/u-boot-video...

[platform/kernel/u-boot.git] / include / uuid.h

diff --git a/include/uuid.h b/include/uuid.h
index 93027c1..4a4883d 100644 (file)
--- a/include/uuid.h
+++ b/include/uuid.h
@@ -1,12 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2014 Samsung Electronics
  * Przemyslaw Marczak <p.marczak@samsung.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 #ifndef __UUID_H__
 #define __UUID_H__
 
+#include <linux/bitops.h>
+
 /* This is structure is in big-endian */
 struct uuid {
        unsigned int time_low;
@@ -17,11 +18,12 @@ struct uuid {
        unsigned char node[6];
 } __packed;
 
-enum {
-       UUID_STR_FORMAT_STD,
-       UUID_STR_FORMAT_GUID
-};
+/* Bits of a bitmask specifying the output format for GUIDs */
+#define UUID_STR_FORMAT_STD    0
+#define UUID_STR_FORMAT_GUID   BIT(0)
+#define UUID_STR_UPPER_CASE    BIT(1)
 
+/* Use UUID_STR_LEN + 1 for string space */
 #define UUID_STR_LEN           36
 #define UUID_BIN_LEN           sizeof(struct uuid)
 
@@ -34,8 +36,12 @@ enum {
 #define UUID_VARIANT           0x1
 
 int uuid_str_valid(const char *uuid);
-int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format);
-void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format);
+int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
+                   int str_format);
+void uuid_bin_to_str(const unsigned char *uuid_bin, char *uuid_str,
+                    int str_format);
+int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin);
+const char *uuid_guid_get_str(const unsigned char *guid_bin);
 void gen_rand_uuid(unsigned char *uuid_bin);
 void gen_rand_uuid_str(char *uuid_str, int str_format);
 #endif