mm: invoke oom-killer from page fault

[linux.git] / include / crypto / algapi.h

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 726a765e5ec63995564c627a462f4a49285e86c5..010545436efa22593f4a124c9a68849f78a85872 100644 (file)
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -22,9 +22,18 @@ struct seq_file;
 
 struct crypto_type {
        unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
+       unsigned int (*extsize)(struct crypto_alg *alg,
+                               const struct crypto_type *frontend);
        int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
-       void (*exit)(struct crypto_tfm *tfm);
+       int (*init_tfm)(struct crypto_tfm *tfm,
+                       const struct crypto_type *frontend);
        void (*show)(struct seq_file *m, struct crypto_alg *alg);
+       struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
+
+       unsigned int type;
+       unsigned int maskclear;
+       unsigned int maskset;
+       unsigned int tfmsize;
 };
 
 struct crypto_instance {
@@ -111,6 +120,12 @@ void crypto_drop_spawn(struct crypto_spawn *spawn);
 struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
                                    u32 mask);
 
+static inline void crypto_set_spawn(struct crypto_spawn *spawn,
+                                   struct crypto_instance *inst)
+{
+       spawn->inst = inst;
+}
+
 struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
 int crypto_check_attr_type(struct rtattr **tb, u32 type);
 const char *crypto_attr_alg_name(struct rtattr *rta);
@@ -192,15 +207,6 @@ static inline struct crypto_instance *crypto_aead_alg_instance(
        return crypto_tfm_alg_instance(&aead->base);
 }
 
-static inline struct crypto_ablkcipher *crypto_spawn_ablkcipher(
-       struct crypto_spawn *spawn)
-{
-       u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
-       u32 mask = CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
-
-       return __crypto_ablkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
-}
-
 static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
        struct crypto_spawn *spawn)
 {
@@ -242,6 +248,11 @@ static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn)
        return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask));
 }
 
+static inline void *crypto_hash_ctx(struct crypto_hash *tfm)
+{
+       return crypto_tfm_ctx(&tfm->base);
+}
+
 static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
 {
        return crypto_tfm_ctx_aligned(&tfm->base);
@@ -308,5 +319,14 @@ static inline struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb,
        return crypto_attr_alg(tb[1], type, mask);
 }
 
+/*
+ * Returns CRYPTO_ALG_ASYNC if type/mask requires the use of sync algorithms.
+ * Otherwise returns zero.
+ */
+static inline int crypto_requires_sync(u32 type, u32 mask)
+{
+       return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC;
+}
+
 #endif /* _CRYPTO_ALGAPI_H */