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/*
* 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/crypto.h>
#include "rtl_crypto.h"
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/init.h>
#include <asm/hardirq.h>
#include <asm/softirq.h>
#include <asm/kmap_types.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
#define list_for_each_entry(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member), \
prefetch(pos->member.next); \
&pos->member != (head); \
pos = list_entry(pos->member.next, typeof(*pos), member), \
prefetch(pos->member.next))
static inline void cond_resched(void)
{
if (need_resched()) {
set_current_state(TASK_RUNNING);
schedule();
}
}
#endif
extern enum km_type crypto_km_types[];
static inline enum km_type crypto_kmap_type(int out)
{
return crypto_km_types[(in_softirq() ? 2 : 0) + out];
}
static inline void *crypto_kmap(struct page *page, int out)
{
return kmap_atomic(page, crypto_kmap_type(out));
}
static inline void crypto_kunmap(void *vaddr, int out)
{
kunmap_atomic(vaddr, crypto_kmap_type(out));
}
static inline void crypto_yield(struct crypto_tfm *tfm)
{
if (!in_softirq())
cond_resched();
}
static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
{
return (void *)&tfm[1];
}
struct crypto_alg *crypto_alg_lookup(const char *name);
#ifdef CONFIG_KMOD
void crypto_alg_autoload(const char *name);
struct crypto_alg *crypto_alg_mod_lookup(const char *name);
#else
static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name)
{
return crypto_alg_lookup(name);
}
#endif
#ifdef CONFIG_CRYPTO_HMAC
int crypto_alloc_hmac_block(struct crypto_tfm *tfm);
void crypto_free_hmac_block(struct crypto_tfm *tfm);
#else
static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
{
return 0;
}
static inline void crypto_free_hmac_block(struct crypto_tfm *tfm)
{ }
#endif
#ifdef CONFIG_PROC_FS
void __init crypto_init_proc(void);
#else
static inline void crypto_init_proc(void)
{ }
#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);
int crypto_init_digest_ops(struct crypto_tfm *tfm);
int crypto_init_cipher_ops(struct crypto_tfm *tfm);
int crypto_init_compress_ops(struct crypto_tfm *tfm);
void crypto_exit_digest_ops(struct crypto_tfm *tfm);
void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
void crypto_exit_compress_ops(struct crypto_tfm *tfm);
#endif /* _CRYPTO_INTERNAL_H */
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