[CRYPTO] api: Added spawns

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / include / crypto / algapi.h

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index ed68d49..b20f4bd 100644 (file)
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -14,5 +14,47 @@
 
 #include <linux/crypto.h>
 
+struct module;
+
+struct crypto_instance {
+       struct crypto_alg alg;
+
+       struct crypto_template *tmpl;
+       struct hlist_node list;
+
+       void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+struct crypto_template {
+       struct list_head list;
+       struct hlist_head instances;
+       struct module *module;
+
+       struct crypto_instance *(*alloc)(void *param, unsigned int len);
+       void (*free)(struct crypto_instance *inst);
+
+       char name[CRYPTO_MAX_ALG_NAME];
+};
+
+struct crypto_spawn {
+       struct list_head list;
+       struct crypto_alg *alg;
+       struct crypto_instance *inst;
+};
+
+int crypto_register_template(struct crypto_template *tmpl);
+void crypto_unregister_template(struct crypto_template *tmpl);
+struct crypto_template *crypto_lookup_template(const char *name);
+
+int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
+                     struct crypto_instance *inst);
+void crypto_drop_spawn(struct crypto_spawn *spawn);
+struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn);
+
+static inline void *crypto_instance_ctx(struct crypto_instance *inst)
+{
+       return inst->__ctx;
+}
+
 #endif /* _CRYPTO_ALGAPI_H */