be71dcbe57
In the back merge, we should have used blk_rq_sectors() to check consecutive duns. Bug: 137235191 Change-Id: I11f3a8645ab4874115bcd6c2256997a7806aa87f Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef PFK_H_
|
|
#define PFK_H_
|
|
|
|
#include <linux/bio.h>
|
|
|
|
struct ice_crypto_setting;
|
|
|
|
/*
|
|
* Default key for inline encryption.
|
|
*
|
|
* For now only AES-256-XTS is supported, so this is a fixed length. But if
|
|
* ever needed, this should be made variable-length with a 'mode' and 'size'.
|
|
* (Remember to update pfk_allow_merge_bio() when doing so!)
|
|
*/
|
|
#define BLK_ENCRYPTION_KEY_SIZE_AES_256_XTS 64
|
|
|
|
struct blk_encryption_key {
|
|
u8 raw[BLK_ENCRYPTION_KEY_SIZE_AES_256_XTS];
|
|
};
|
|
|
|
#ifdef CONFIG_PFK
|
|
int pfk_load_key_start(const struct bio *bio,
|
|
struct ice_crypto_setting *ice_setting, bool *is_pfe, bool);
|
|
int pfk_load_key_end(const struct bio *bio, bool *is_pfe);
|
|
int pfk_remove_key(const unsigned char *key, size_t key_size);
|
|
bool pfk_allow_merge_bio(const struct bio *bio1, const struct bio *bio2,
|
|
unsigned int sectors);
|
|
void pfk_clear_on_reset(void);
|
|
#else
|
|
static inline int pfk_load_key_start(const struct bio *bio,
|
|
struct ice_crypto_setting *ice_setting, bool *is_pfe, bool async)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int pfk_load_key_end(const struct bio *bio, bool *is_pfe)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int pfk_remove_key(const unsigned char *key, size_t key_size)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline bool pfk_allow_merge_bio(const struct bio *bio1,
|
|
const struct bio *bio2, unsigned int sectors)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static inline void pfk_clear_on_reset(void)
|
|
{}
|
|
|
|
#endif /* CONFIG_PFK */
|
|
|
|
#endif /* PFK_H */
|