67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/*
|
||
|
|
* Copyright 2019 Google LLC
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __LINUX_BLK_CRYPTO_H
|
||
|
|
#define __LINUX_BLK_CRYPTO_H
|
||
|
|
|
||
|
|
#include <linux/bio.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
|
||
|
|
|
||
|
|
int blk_crypto_submit_bio(struct bio **bio_ptr);
|
||
|
|
|
||
|
|
bool blk_crypto_endio(struct bio *bio);
|
||
|
|
|
||
|
|
int blk_crypto_init_key(struct blk_crypto_key *blk_key,
|
||
|
|
const u8 *raw_key, unsigned int raw_key_size,
|
||
|
|
bool is_hw_wrapped,
|
||
|
|
enum blk_crypto_mode_num crypto_mode,
|
||
|
|
unsigned int dun_bytes,
|
||
|
|
unsigned int data_unit_size);
|
||
|
|
|
||
|
|
int blk_crypto_start_using_mode(enum blk_crypto_mode_num crypto_mode,
|
||
|
|
unsigned int dun_bytes,
|
||
|
|
unsigned int data_unit_size,
|
||
|
|
bool is_hw_wrapped_key,
|
||
|
|
struct request_queue *q);
|
||
|
|
|
||
|
|
int blk_crypto_evict_key(struct request_queue *q,
|
||
|
|
const struct blk_crypto_key *key);
|
||
|
|
|
||
|
|
inline void blk_crypto_flock(struct keyslot_manager *ksm, unsigned int flags);
|
||
|
|
|
||
|
|
|
||
|
|
#else /* CONFIG_BLK_INLINE_ENCRYPTION */
|
||
|
|
|
||
|
|
static inline int blk_crypto_submit_bio(struct bio **bio_ptr)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool blk_crypto_endio(struct bio *bio)
|
||
|
|
{
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void blk_crypto_flock(struct keyslot_manager *ksm,
|
||
|
|
unsigned int flags) {}
|
||
|
|
|
||
|
|
#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
|
||
|
|
|
||
|
|
#ifdef CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK
|
||
|
|
|
||
|
|
int blk_crypto_fallback_init(void);
|
||
|
|
|
||
|
|
#else /* CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK */
|
||
|
|
|
||
|
|
static inline int blk_crypto_fallback_init(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK */
|
||
|
|
|
||
|
|
#endif /* __LINUX_BLK_CRYPTO_H */
|