[CRYPTO] api: Make the crypto subsystem fully modular

[linux-2.6-omap-h63xx.git] / include / linux / crypto.h

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 835dcaf3fe4ed84744d66b1ed384f1e997d58941..425824bd49f308f64074943fd257bd69f512edce 100644 (file)
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -90,13 +90,11 @@
 #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
 #elif defined(ARCH_SLAB_MINALIGN)
 #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
+#else
+#define CRYPTO_MINALIGN __alignof__(unsigned long long)
 #endif
 
-#ifdef CRYPTO_MINALIGN
 #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
-#else
-#define CRYPTO_MINALIGN_ATTR
-#endif
 
 struct scatterlist;
 struct crypto_ablkcipher;
@@ -106,6 +104,7 @@ struct crypto_blkcipher;
 struct crypto_hash;
 struct crypto_tfm;
 struct crypto_type;
+struct aead_givcrypt_request;
 struct skcipher_givcrypt_request;
 
 typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -202,6 +201,10 @@ struct aead_alg {
        int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
        int (*encrypt)(struct aead_request *req);
        int (*decrypt)(struct aead_request *req);
+       int (*givencrypt)(struct aead_givcrypt_request *req);
+       int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+       const char *geniv;
 
        unsigned int ivsize;
        unsigned int maxauthsize;
@@ -314,14 +317,7 @@ int crypto_unregister_alg(struct crypto_alg *alg);
 /*
  * Algorithm query interface.
  */
-#ifdef CONFIG_CRYPTO
 int crypto_has_alg(const char *name, u32 type, u32 mask);
-#else
-static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
-{
-       return 0;
-}
-#endif
 
 /*
  * Transforms: user-instantiated objects which encapsulate algorithms
@@ -348,6 +344,11 @@ struct aead_tfm {
                      unsigned int keylen);
        int (*encrypt)(struct aead_request *req);
        int (*decrypt)(struct aead_request *req);
+       int (*givencrypt)(struct aead_givcrypt_request *req);
+       int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+       struct crypto_aead *base;
+
        unsigned int ivsize;
        unsigned int authsize;
        unsigned int reqsize;
@@ -713,15 +714,7 @@ static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm)
        return (struct crypto_aead *)tfm;
 }
 
-static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name,
-                                                   u32 type, u32 mask)
-{
-       type &= ~CRYPTO_ALG_TYPE_MASK;
-       type |= CRYPTO_ALG_TYPE_AEAD;
-       mask |= CRYPTO_ALG_TYPE_MASK;
-
-       return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask));
-}
+struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask);
 
 static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm)
 {
@@ -776,7 +769,9 @@ static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags)
 static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
                                     unsigned int keylen)
 {
-       return crypto_aead_crt(tfm)->setkey(tfm, key, keylen);
+       struct aead_tfm *crt = crypto_aead_crt(tfm);
+
+       return crt->setkey(crt->base, key, keylen);
 }
 
 int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize);
@@ -804,7 +799,7 @@ static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
 static inline void aead_request_set_tfm(struct aead_request *req,
                                        struct crypto_aead *tfm)
 {
-       req->base.tfm = crypto_aead_tfm(tfm);
+       req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
 }
 
 static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,