X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fuuid.h;h=93027c1b286952650fc3e25e3fa90c504f2fcebd;hb=66312374dca86e77fc9b08f774546e62b6cd1aa7;hp=e8feeed7a545eb8cb036cb4ebf045a53c3de2a6b;hpb=d718ded056eefb6239bd2e0a57b7f6d99c6e9e4b;p=u-boot

diff --git a/include/uuid.h b/include/uuid.h
index e8feeed7a5..93027c1b28 100644
--- a/include/uuid.h
+++ b/include/uuid.h
@@ -7,15 +7,35 @@
 #ifndef __UUID_H__
 #define __UUID_H__
 
+/* This is structure is in big-endian */
+struct uuid {
+	unsigned int time_low;
+	unsigned short time_mid;
+	unsigned short time_hi_and_version;
+	unsigned char clock_seq_hi_and_reserved;
+	unsigned char clock_seq_low;
+	unsigned char node[6];
+} __packed;
+
 enum {
 	UUID_STR_FORMAT_STD,
 	UUID_STR_FORMAT_GUID
 };
 
 #define UUID_STR_LEN		36
-#define UUID_BIN_LEN		16
+#define UUID_BIN_LEN		sizeof(struct uuid)
+
+#define UUID_VERSION_MASK	0xf000
+#define UUID_VERSION_SHIFT	12
+#define UUID_VERSION		0x4
+
+#define UUID_VARIANT_MASK	0xc0
+#define UUID_VARIANT_SHIFT	7
+#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);
+void gen_rand_uuid(unsigned char *uuid_bin);
+void gen_rand_uuid_str(char *uuid_str, int str_format);
 #endif