/* * Cryptographic API. * * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * */ #ifndef _CRYPTO_INTERNAL_H #define _CRYPTO_INTERNAL_H #include <linux/mm.h> #include <linux/highmem.h> #include <asm/hardirq.h> #include <asm/softirq.h> static inline void *crypto_kmap(struct page *page) { return kmap_atomic(page, in_softirq() ? KM_CRYPTO_SOFTIRQ : KM_CRYPTO_USER); } static inline void crypto_kunmap(void *vaddr) { kunmap_atomic(vaddr, in_softirq() ? KM_CRYPTO_SOFTIRQ : KM_CRYPTO_USER); } static inline void crypto_yield(struct crypto_tfm *tfm) { if (!in_softirq()) cond_resched(); } static inline int crypto_cipher_flags(u32 flags) { return flags & (CRYPTO_TFM_MODE_MASK|CRYPTO_TFM_REQ_WEAK_KEY); } #ifdef CONFIG_KMOD void crypto_alg_autoload(char *name); #endif int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags); int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags); int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags); void crypto_init_digest_ops(struct crypto_tfm *tfm); void crypto_init_cipher_ops(struct crypto_tfm *tfm); void crypto_init_compress_ops(struct crypto_tfm *tfm); #endif /* _CRYPTO_INTERNAL_H */