+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2014 Samsung Electronics
- *
- * 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;
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)
#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