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authorChristian Lamparter <chunkeey@gmail.com>2018-12-23 02:16:13 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2019-01-11 14:16:56 +0800
commitd072bfa4885354fff86aa1fb1dbc4f1533c9e0bf (patch)
tree10b540569a2aa47cb27da2e6f8cd6670dda4edbf /drivers/crypto/amcc/crypto4xx_core.h
parent12b8567f6fa489c098024fc75caba2f6b1390a92 (diff)
downloadlinux-d072bfa4885354fff86aa1fb1dbc4f1533c9e0bf.tar.gz
crypto: crypto4xx - add prng crypto support
This patch adds support for crypto4xx's ANSI X9.17 Annex C compliant pseudo random number generator which provides a pseudo random source for the purpose of generating Initialization Vectors (IV's) for AES algorithms to the Packet Engine and other pseudo random number requirements. Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.h')
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h
index e2ca56722f07..18df695ca6b1 100644
--- a/drivers/crypto/amcc/crypto4xx_core.h
+++ b/drivers/crypto/amcc/crypto4xx_core.h
@@ -23,8 +23,10 @@
#define __CRYPTO4XX_CORE_H__
#include <linux/ratelimit.h>
+#include <linux/mutex.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/aead.h>
+#include <crypto/internal/rng.h>
#include <crypto/internal/skcipher.h>
#include "crypto4xx_reg_def.h"
#include "crypto4xx_sa.h"
@@ -119,6 +121,7 @@ struct crypto4xx_core_device {
u32 irq;
struct tasklet_struct tasklet;
spinlock_t lock;
+ struct mutex rng_lock;
};
struct crypto4xx_ctx {
@@ -143,6 +146,7 @@ struct crypto4xx_alg_common {
struct skcipher_alg cipher;
struct ahash_alg hash;
struct aead_alg aead;
+ struct rng_alg rng;
} u;
};