4 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
12 #ifndef _CRYPTO_INTERNAL_H
13 #define _CRYPTO_INTERNAL_H
15 #include <linux/highmem.h>
16 #include <linux/interrupt.h>
17 #include <linux/init.h>
18 #include <asm/hardirq.h>
19 #include <asm/kmap_types.h>
21 extern enum km_type crypto_km_types
[];
23 static inline enum km_type
crypto_kmap_type(int out
)
25 return crypto_km_types
[(in_softirq() ? 2 : 0) + out
];
28 static inline void *crypto_kmap(struct page
*page
, int out
)
30 return kmap_atomic(page
, crypto_kmap_type(out
));
33 static inline void crypto_kunmap(void *vaddr
, int out
)
35 kunmap_atomic(vaddr
, crypto_kmap_type(out
));
38 static inline void crypto_yield(struct crypto_tfm
*tfm
)
44 static inline void *crypto_tfm_ctx(struct crypto_tfm
*tfm
)
46 return (void *)&tfm
[1];
49 struct crypto_alg
*crypto_alg_lookup(const char *name
);
52 void crypto_alg_autoload(const char *name
);
53 struct crypto_alg
*crypto_alg_mod_lookup(const char *name
);
55 static inline struct crypto_alg
*crypto_alg_mod_lookup(const char *name
)
57 return crypto_alg_lookup(name
);
61 #ifdef CONFIG_CRYPTO_HMAC
62 int crypto_alloc_hmac_block(struct crypto_tfm
*tfm
);
63 void crypto_free_hmac_block(struct crypto_tfm
*tfm
);
65 static inline int crypto_alloc_hmac_block(struct crypto_tfm
*tfm
)
70 static inline void crypto_free_hmac_block(struct crypto_tfm
*tfm
)
75 void __init
crypto_init_proc(void);
77 static inline void crypto_init_proc(void)
81 int crypto_init_digest_flags(struct crypto_tfm
*tfm
, u32 flags
);
82 int crypto_init_cipher_flags(struct crypto_tfm
*tfm
, u32 flags
);
83 int crypto_init_compress_flags(struct crypto_tfm
*tfm
, u32 flags
);
85 int crypto_init_digest_ops(struct crypto_tfm
*tfm
);
86 int crypto_init_cipher_ops(struct crypto_tfm
*tfm
);
87 int crypto_init_compress_ops(struct crypto_tfm
*tfm
);
89 void crypto_exit_digest_ops(struct crypto_tfm
*tfm
);
90 void crypto_exit_cipher_ops(struct crypto_tfm
*tfm
);
91 void crypto_exit_compress_ops(struct crypto_tfm
*tfm
);
93 #endif /* _CRYPTO_INTERNAL_H */