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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:21:26 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-12-21 02:05:35 +0100
commit3aa54ceaf9865974b798dc011a74cbaae3dcdac3 (patch)
tree6fe1fdb2406c4b9f7034572f382a92889f8f3cb4
parentd8ddddb9e25e80b8f5341ad6e452b97ed35eb590 (diff)
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> (cherry picked from commit 64a947b1337b93061da7c7af1f6ce6b2431b70ae) Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com> Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
-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 d7b5c9fb5eab..54dd4e33b5d6 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -492,6 +492,7 @@ 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