]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - include/uuid.h
atngw100: convert to generic board
[karo-tx-uboot.git] / include / uuid.h
index e8feeed7a545eb8cb036cb4ebf045a53c3de2a6b..93027c1b286952650fc3e25e3fa90c504f2fcebd 100644 (file)
@@ -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