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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:21:26 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:01 +0200
commit64a947b1337b93061da7c7af1f6ce6b2431b70ae (patch)
treeb6ae6942bdd51bdb3fd74482a63f3859b9f52e98
parent8280daad436edb7dd9e7e06fc13bcecb6b2a885c (diff)
downloadlinux-64a947b1337b93061da7c7af1f6ce6b2431b70ae.tar.bz2
crypto: Add a flag to identify crypto instances
The upcomming crypto user configuration api needs to identify crypto instances. This patch adds a flag that is set if the algorithm is an instance that is build from templates. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/algapi.c1
-rw-r--r--include/linux/crypto.h5
2 files changed, 6 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index c3cf1a69a47a..6fd9bcf876ad 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -493,6 +493,7 @@ int crypto_register_instance(struct crypto_template *tmpl,
goto err;
inst->alg.cra_module = tmpl->module;
+ inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
down_write(&crypto_alg_sem);
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index e5e468e9133d..de9adec5693c 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -72,6 +72,11 @@
#define CRYPTO_ALG_TESTED 0x00000400
/*
+ * Set if the algorithm is an instance that is build from templates.
+ */
+#define CRYPTO_ALG_INSTANCE 0x00000800
+
+/*
* Transform masks and values (for crt_flags).
*/
#define CRYPTO_TFM_REQ_MASK 0x000fff00