release/src-rt-6.x.4708/linux/linux-2.6.36/include/crypto/pcrypt.h

   1 /*
   2  * pcrypt - Parallel crypto engine.
   3  *
   4  * Copyright (C) 2009 secunet Security Networks AG
   5  * Copyright (C) 2009 Steffen Klassert <steffen.klassert@secunet.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2, as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef _CRYPTO_PCRYPT_H
  22 #define _CRYPTO_PCRYPT_H
  23
  24 #include <linux/crypto.h>
  25 #include <linux/kernel.h>
  26 #include <linux/padata.h>
  27
  28 struct pcrypt_request {
  29         struct padata_priv      padata;
  30         void                    *data;
  31         void                    *__ctx[] CRYPTO_MINALIGN_ATTR;
  32 };
  33
  34 static inline void *pcrypt_request_ctx(struct pcrypt_request *req)
  35 {
  36         return req->__ctx;
  37 }
  38
  39 static inline
  40 struct padata_priv *pcrypt_request_padata(struct pcrypt_request *req)
  41 {
  42         return &req->padata;
  43 }
  44
  45 static inline
  46 struct pcrypt_request *pcrypt_padata_request(struct padata_priv *padata)
  47 {
  48         return container_of(padata, struct pcrypt_request, padata);
  49 }
  50
  51 #endif