mirror of
https://github.com/koverstreet/bcachefs-tools.git
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79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* Cryptographic API.
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*
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* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
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* Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_INTERNAL_H
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#define _CRYPTO_INTERNAL_H
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#include <crypto/algapi.h>
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#include <linux/completion.h>
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#include <linux/mm.h>
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#include <linux/list.h>
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#include <linux/kernel.h>
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#include <linux/notifier.h>
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#include <linux/rwsem.h>
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#include <linux/slab.h>
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struct crypto_instance;
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struct crypto_template;
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struct crypto_larval {
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struct crypto_alg alg;
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struct crypto_alg *adult;
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struct completion completion;
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u32 mask;
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};
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extern struct list_head crypto_alg_list;
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extern struct rw_semaphore crypto_alg_sem;
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static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
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{
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return alg->cra_ctxsize;
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}
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int crypto_init_cipher_ops(struct crypto_tfm *tfm);
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void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
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void crypto_remove_final(struct list_head *list);
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struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
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u32 mask);
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void *crypto_create_tfm(struct crypto_alg *alg,
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const struct crypto_type *frontend);
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struct crypto_alg *crypto_find_alg(const char *alg_name,
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const struct crypto_type *frontend,
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u32 type, u32 mask);
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void *crypto_alloc_tfm(const char *alg_name,
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const struct crypto_type *frontend, u32 type, u32 mask);
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int crypto_register_notifier(struct notifier_block *nb);
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int crypto_unregister_notifier(struct notifier_block *nb);
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unsigned int crypto_alg_extsize(struct crypto_alg *alg);
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int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
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u32 type, u32 mask);
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static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
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{
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atomic_inc(&alg->cra_refcnt);
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return alg;
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}
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static inline void crypto_alg_put(struct crypto_alg *alg)
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{
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if (atomic_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy)
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alg->cra_destroy(alg);
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}
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#endif /* _CRYPTO_INTERNAL_H */
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