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authorSteffen Klassert <steffen.klassert@secunet.com>2010-01-07 15:57:19 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2010-01-07 15:57:19 +1100
commit5068c7a883d1694f0fb3631b664827644153cd08 (patch)
tree25da5f02280c42a83b278372babbbcab011589ac /include/crypto
parent16295bec6398a3eedc9377e1af6ff4c71b98c300 (diff)
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crypto: pcrypt - Add pcrypt crypto parallelization wrapper
This patch adds a parallel crypto template that takes a crypto algorithm and converts it to process the crypto transforms in parallel. For the moment only aead algorithms are supported. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/pcrypt.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/crypto/pcrypt.h b/include/crypto/pcrypt.h
new file mode 100644
index 00000000000..d7d8bd8c6ed
--- /dev/null
+++ b/include/crypto/pcrypt.h
@@ -0,0 +1,51 @@
+/*
+ * pcrypt - Parallel crypto engine.
+ *
+ * Copyright (C) 2009 secunet Security Networks AG
+ * Copyright (C) 2009 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _CRYPTO_PCRYPT_H
+#define _CRYPTO_PCRYPT_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+#include <linux/padata.h>
+
+struct pcrypt_request {
+ struct padata_priv padata;
+ void *data;
+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+static inline void *pcrypt_request_ctx(struct pcrypt_request *req)
+{
+ return req->__ctx;
+}
+
+static inline
+struct padata_priv *pcrypt_request_padata(struct pcrypt_request *req)
+{
+ return &req->padata;
+}
+
+static inline
+struct pcrypt_request *pcrypt_padata_request(struct padata_priv *padata)
+{
+ return container_of(padata, struct pcrypt_request, padata);
+}
+
+#endif