162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * drivers/hyperhold/hp_device.h 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2020-2022 Huawei Technologies Co., Ltd. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef _HP_DEVICE_H_ 962306a36Sopenharmony_ci#define _HP_DEVICE_H_ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <linux/kernel.h> 1262306a36Sopenharmony_ci#include <linux/blkdev.h> 1362306a36Sopenharmony_ci#include <crypto/skcipher.h> 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cienum { 1662306a36Sopenharmony_ci HP_DEV_ENCRYPT, 1762306a36Sopenharmony_ci HP_DEV_DECRYPT, 1862306a36Sopenharmony_ci}; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cistruct hp_device { 2162306a36Sopenharmony_ci struct file *filp; 2262306a36Sopenharmony_ci struct block_device *bdev; 2362306a36Sopenharmony_ci u32 old_block_size; 2462306a36Sopenharmony_ci u64 dev_size; 2562306a36Sopenharmony_ci u32 sec_size; 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci struct crypto_skcipher *ctfm; 2862306a36Sopenharmony_ci struct blk_crypto_key *blk_key; 2962306a36Sopenharmony_ci}; 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_civoid unbind_bdev(struct hp_device *dev); 3262306a36Sopenharmony_cibool bind_bdev(struct hp_device *dev, const char *name); 3362306a36Sopenharmony_cibool crypto_init(struct hp_device *dev, bool soft); 3462306a36Sopenharmony_civoid crypto_deinit(struct hp_device *dev); 3562306a36Sopenharmony_ciint soft_crypt_page(struct crypto_skcipher *ctfm, 3662306a36Sopenharmony_ci struct page *dst_page, struct page *src_page, unsigned int op); 3762306a36Sopenharmony_civoid inline_crypt_bio(struct blk_crypto_key *blk_key, struct bio *bio); 3862306a36Sopenharmony_ci#endif 39