Backports v4.19.24

Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc
against mainline kernel tag v4.19.24

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/backport-include/linux/uuid.h b/backport-include/linux/uuid.h
new file mode 100644
index 0000000..bc6fbe1
--- /dev/null
+++ b/backport-include/linux/uuid.h
@@ -0,0 +1,33 @@
+#ifndef __BACKPORT_LINUX_UUID_H_
+#define __BACKPORT_LINUX_UUID_H_
+#include <linux/version.h>
+#include_next <linux/uuid.h>
+
+#ifndef UUID_STRING_LEN
+/*
+ * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")
+ * not including trailing NUL.
+ */
+#define	UUID_STRING_LEN		36
+#endif
+
+#if LINUX_VERSION_IS_LESS(4,13,0)
+#define guid_t uuid_le
+#define uuid_t uuid_be
+
+static inline void guid_gen(guid_t *u)
+{
+	return uuid_le_gen(u);
+}
+static inline void uuid_gen(uuid_t *u)
+{
+	return uuid_be_gen(u);
+}
+
+static inline void guid_copy(guid_t *dst, const guid_t *src)
+{
+	memcpy(dst, src, sizeof(guid_t));
+}
+#endif
+
+#endif /* __BACKPORT_LINUX_UUID_H_ */