include/crypto/cryptd.h

   1 /*
   2  * Software async crypto daemon
   3  *
   4  * Added AEAD support to cryptd.
   5  *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
   6  *             Adrian Hoban <adrian.hoban@intel.com>
   7  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
   8  *             Aidan O'Mahony (aidan.o.mahony@intel.com)
   9  *    Copyright (c) 2010, Intel Corporation.
  10  */
  11
  12 #ifndef _CRYPTO_CRYPT_H
  13 #define _CRYPTO_CRYPT_H
  14
  15 #include <linux/crypto.h>
  16 #include <linux/kernel.h>
  17 #include <crypto/aead.h>
  18 #include <crypto/hash.h>
  19
  20 struct cryptd_ablkcipher {
  21         struct crypto_ablkcipher base;
  22 };
  23
  24 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
  25         struct crypto_ablkcipher *tfm)
  26 {
  27         return (struct cryptd_ablkcipher *)tfm;
  28 }
  29
  30 /* alg_name should be algorithm to be cryptd-ed */
  31 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
  32                                                   u32 type, u32 mask);
  33 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
  34 bool cryptd_ablkcipher_queued(struct cryptd_ablkcipher *tfm);
  35 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
  36
  37 struct cryptd_ahash {
  38         struct crypto_ahash base;
  39 };
  40
  41 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  42         struct crypto_ahash *tfm)
  43 {
  44         return (struct cryptd_ahash *)tfm;
  45 }
  46
  47 /* alg_name should be algorithm to be cryptd-ed */
  48 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  49                                         u32 type, u32 mask);
  50 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  51 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  52 /* Must be called without moving CPUs. */
  53 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  54 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  55
  56 struct cryptd_aead {
  57         struct crypto_aead base;
  58 };
  59
  60 static inline struct cryptd_aead *__cryptd_aead_cast(
  61         struct crypto_aead *tfm)
  62 {
  63         return (struct cryptd_aead *)tfm;
  64 }
  65
  66 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  67                                           u32 type, u32 mask);
  68
  69 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  70 /* Must be called without moving CPUs. */
  71 bool cryptd_aead_queued(struct cryptd_aead *tfm);
  72
  73 void cryptd_free_aead(struct cryptd_aead *tfm);
  74
  75 #endif