crypto: cryptomgr - Add test infrastructure

This patch moves the newly created alg_test infrastructure into
cryptomgr.  This shall allow us to use it for testing at algorithm
registrations.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/Kconfig

@@ -40,7 +40,9 @@ config CRYPTO_HASH
 
 config CRYPTO_MANAGER
 	tristate "Cryptographic algorithm manager"
-	select CRYPTO_ALGAPI
+	select CRYPTO_AEAD
+	select CRYPTO_HASH
+	select CRYPTO_BLKCIPHER
 	help
 	  Create default cryptographic template instantiations such as
 	  cbc(aes).
@@ -85,9 +87,7 @@ config CRYPTO_AUTHENC
 config CRYPTO_TEST
 	tristate "Testing module"
 	depends on m
-	select CRYPTO_ALGAPI
-	select CRYPTO_AEAD
-	select CRYPTO_BLKCIPHER
+	select CRYPTO_MANAGER
 	help
 	  Quick & dirty crypto test module.
 

crypto/Makefile

@@ -22,6 +22,8 @@ crypto_hash-objs := hash.o
 crypto_hash-objs += ahash.o
 obj-$(CONFIG_CRYPTO_HASH) += crypto_hash.o
 
+cryptomgr-objs := algboss.o testmgr.o
+
 obj-$(CONFIG_CRYPTO_MANAGER) += cryptomgr.o
 obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
 obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o

crypto/algboss.c

@@ -206,16 +206,32 @@ static struct notifier_block cryptomgr_notifier = {
 
 static int __init cryptomgr_init(void)
 {
-	return crypto_register_notifier(&cryptomgr_notifier);
+	int err;
+
+	err = testmgr_init();
+	if (err)
+		return err;
+
+	err = crypto_register_notifier(&cryptomgr_notifier);
+	if (err)
+		goto free_testmgr;
+
+	return 0;
+
+free_testmgr:
+	testmgr_exit();
+	return err;
 }
 
 static void __exit cryptomgr_exit(void)
 {
 	int err = crypto_unregister_notifier(&cryptomgr_notifier);
 	BUG_ON(err);
+
+	testmgr_exit();
 }
 
-module_init(cryptomgr_init);
+subsys_initcall(cryptomgr_init);
 module_exit(cryptomgr_exit);
 
 MODULE_LICENSE("GPL");

crypto/internal.h

@@ -108,6 +108,9 @@ int crypto_register_instance(struct crypto_template *tmpl,
 int crypto_register_notifier(struct notifier_block *nb);
 int crypto_unregister_notifier(struct notifier_block *nb);
 
+int __init testmgr_init(void);
+void testmgr_exit(void);
+
 static inline void crypto_alg_put(struct crypto_alg *alg)
 {
 	if (atomic_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy)

include/linux/crypto.h

@@ -515,6 +515,8 @@ struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
 struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
 void crypto_free_tfm(struct crypto_tfm *tfm);
 
+int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
+
 /*
  * Transform helpers which query the underlying algorithm.
  */