diff -drupN a/security/fivm/fivm.h b/security/fivm/fivm.h
--- a/security/fivm/fivm.h	1970-01-01 03:00:00.000000000 +0300
+++ b/security/fivm/fivm.h	2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2014 Allwinner Ltd.
+ *
+ * Author:
+ *	Ryan Chen <ryanchen@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ *
+ * File: fima.h
+ *	File Integrity Measurement Architecture definitions
+ */
+
+#ifndef __LINUX_FIMA_H
+#define __LINUX_FIMA_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <linux/security.h>
+#include <linux/hash.h>
+
+/*FIMV LKM debug mode
+*#define FIVM_LKM_DEBUG
+*#define FIVM_DEBUG_TIMMNG
+*/
+
+extern int fivm_debug;
+#undef dprintk
+#define dprintk(format, arg...)        \
+	do {\
+		if (fivm_debug) \
+		printk(KERN_DEBUG "%s: " format,\
+				__func__, ##arg);\
+	} while (0)
+
+#define fprintk(format, arg...)   \
+	do {\
+		if (fivm_debug)\
+		printk(format, ##arg);    \
+	} while (0)
+
+#define derr(format, arg...)      \
+	do {\
+		printk(KERN_ERR "%s: " format,\
+				__func__, ## arg);\
+	} while (0)
+
+#define SHA256_DIGEST_LENGTH	32
+#define SHA512_DIGEST_LENGTH	64
+#define SHA_DIG_MAX				SHA512_DIGEST_LENGTH
+
+#define RSA2048_SIG_LENGTH		256
+#define RSA3072_SIG_LENGTH		384
+#define RSA_SIG_MAX				RSA3072_SIG_LENGTH
+
+#define FILE_NAME_LEN			512
+#define DIR_MAX_FILE_NUM		10000
+#define DIR_BITMAP_BYTES		(DIR_MAX_FILE_NUM / 8)
+#define  BLK_SIZE				4096
+#define FILE_SIG_MAGIC          0x78381729
+
+struct FILE_LIST_HEAD {
+	unsigned int magic;
+	unsigned int version;
+	unsigned char sha_alg[8];
+	unsigned char sig[RSA_SIG_MAX];
+	unsigned char root_dir[64];
+	unsigned int  file_cnt;
+	unsigned int  file_name_len;
+	unsigned int  reserved[4];
+};
+
+struct FILE_SIG_HEAD {
+	unsigned char sig[RSA_SIG_MAX];
+	unsigned int magic;
+	char sha_alg[8];
+	char rsa_alg[8];
+	unsigned char root_dir[64];
+	unsigned int total_len;
+	unsigned int actual_cnt; /*actual file count*/
+};
+struct FILE_SIG {
+	unsigned int crc;/*name crc*/
+	unsigned int flag;
+	unsigned char sha[SHA_DIG_MAX];
+	unsigned int  name_len;
+	unsigned char name[FILE_NAME_LEN];
+};
+
+#ifdef CONFIG_COMPAT
+struct fivm_param_t32 {
+	compat_uptr_t	sig_head;
+	compat_size_t	sig_head_size;
+	compat_uptr_t	sig_table;
+	compat_size_t	sig_table_size;
+};
+#endif
+
+struct fivm_param {
+	void			*sig_head;
+	unsigned int	sig_head_size;
+	void			*sig_table;
+	unsigned int	sig_table_size;
+};
+
+enum {
+	FIVM_FULL_PATH = 1,
+	FIVM_PART_PATH,
+	FIVM_FAIL_PATH
+};
+
+struct fivm_path {
+	char *path;
+	int flag;
+};
+
+#define MAX_NAME_LEN 64
+int fivm_init(void);
+int fivm_cleanup(void);
+int fivm_enable(void);
+int fivm_set(void *);
+int fivm_disable(void);
+
+int fivm_calc_hash(struct file *file, char *digest);
+int fivm_cleanup(void);
+#endif