1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/crc64.h b/include/linux/crc64.h
new file mode 100644
index 000000000000..fc0c06ab1993
--- /dev/null
+++ b/include/linux/crc64.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CRC64_H
+#define _LINUX_CRC64_H
+
+#include <linux/types.h>
+
+/**
+ * crc64_be - Calculate bitwise big-endian ECMA-182 CRC64
+ * @crc: seed value for computation. 0 or (u64)~0 for a new CRC calculation,
+ *       or the previous crc64 value if computing incrementally.
+ * @p: pointer to buffer over which CRC64 is run
+ * @len: length of buffer @p
+ */
+u64 crc64_be(u64 crc, const void *p, size_t len);
+
+/**
+ * crc64_nvme - Calculate CRC64-NVME
+ * @crc: seed value for computation. 0 for a new CRC calculation, or the
+ *	 previous crc64 value if computing incrementally.
+ * @p: pointer to buffer over which CRC64 is run
+ * @len: length of buffer @p
+ *
+ * This computes the CRC64 defined in the NVME NVM Command Set Specification,
+ * *including the bitwise inversion at the beginning and end*.
+ */
+u64 crc64_nvme(u64 crc, const void *p, size_t len);
+
+#endif /* _LINUX_CRC64_H */