Revert "dm-crypt: Add IV generation templates"

hulk inclusion
category: bugfix
bugzilla: 31797
CVE: NA

--------------------------------

We come across a KASAN double-free issue which seems to be related with
this patch. Let's revert this patch for now.

This reverts commit 3449c349585d560f37db2fb938347eb37e78bcae.
Signed-off-by: NXiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: NZhangXiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: NHou Tao <houtao1@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

include/crypto/geniv.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * geniv.h: common interface for IV generation algorithms
- *
- * Copyright (C) 2018, Linaro
- *
- * This file define the data structure the user should pass to the template.
- */
-
-#ifndef _CRYPTO_GENIV_H
-#define _CRYPTO_GENIV_H
-
-#include <linux/types.h>
-
-enum setkey_op {
-	SETKEY_OP_INIT,
-	SETKEY_OP_SET,
-	SETKEY_OP_WIPE,
-};
-
-struct geniv_key_info {
-	enum setkey_op keyop;
-	unsigned int tfms_count;
-	u8 *key;
-	char *ivopts;
-	sector_t iv_offset;
-	unsigned long cipher_flags;
-
-	unsigned short int sector_size;
-	unsigned int key_size;
-	unsigned int key_parts;
-	unsigned int key_mac_size;
-	unsigned int on_disk_tag_size;
-};
-
-struct geniv_req_info {
-	sector_t cc_sector;
-	unsigned int nents;
-	u8 *integrity_metadata;
-};
-
-#endif