include/crypto/cryptd.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Software async crypto daemon
   4  *
   5  * Added AEAD support to cryptd.
   6  *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
   7  *             Adrian Hoban <adrian.hoban@intel.com>
   8  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
   9  *             Aidan O'Mahony (aidan.o.mahony@intel.com)
  10  *    Copyright (c) 2010, Intel Corporation.
  11  */
  12
  13 #ifndef _CRYPTO_CRYPT_H
  14 #define _CRYPTO_CRYPT_H
  15
  16 #include <linux/types.h>
  17
  18 #include <crypto/aead.h>
  19 #include <crypto/hash.h>
  20 #include <crypto/skcipher.h>
  21
  22 struct cryptd_skcipher {
  23         struct crypto_skcipher base;
  24 };
  25
  26 /* alg_name should be algorithm to be cryptd-ed */
  27 struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
  28                                               u32 type, u32 mask);
  29 struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
  30 /* Must be called without moving CPUs. */
  31 bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
  32 void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
  33
  34 struct cryptd_ahash {
  35         struct crypto_ahash base;
  36 };
  37
  38 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  39         struct crypto_ahash *tfm)
  40 {
  41         return (struct cryptd_ahash *)tfm;
  42 }
  43
  44 /* alg_name should be algorithm to be cryptd-ed */
  45 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  46                                         u32 type, u32 mask);
  47 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  48 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  49 /* Must be called without moving CPUs. */
  50 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  51 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  52
  53 struct cryptd_aead {
  54         struct crypto_aead base;
  55 };
  56
  57 static inline struct cryptd_aead *__cryptd_aead_cast(
  58         struct crypto_aead *tfm)
  59 {
  60         return (struct cryptd_aead *)tfm;
  61 }
  62
  63 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  64                                           u32 type, u32 mask);
  65
  66 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  67 /* Must be called without moving CPUs. */
  68 bool cryptd_aead_queued(struct cryptd_aead *tfm);
  69
  70 void cryptd_free_aead(struct cryptd_aead *tfm);
  71
  72 #endif