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/kernel.h>
  17 #include <crypto/aead.h>
  18 #include <crypto/hash.h>
  19 #include <crypto/skcipher.h>
  20
  21 struct cryptd_ablkcipher {
  22         struct crypto_ablkcipher base;
  23 };
  24
  25 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
  26         struct crypto_ablkcipher *tfm)
  27 {
  28         return (struct cryptd_ablkcipher *)tfm;
  29 }
  30
  31 /* alg_name should be algorithm to be cryptd-ed */
  32 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
  33                                                   u32 type, u32 mask);
  34 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
  35 bool cryptd_ablkcipher_queued(struct cryptd_ablkcipher *tfm);
  36 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
  37
  38 struct cryptd_skcipher {
  39         struct crypto_skcipher base;
  40 };
  41
  42 struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
  43                                               u32 type, u32 mask);
  44 struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
  45 /* Must be called without moving CPUs. */
  46 bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
  47 void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
  48
  49 struct cryptd_ahash {
  50         struct crypto_ahash base;
  51 };
  52
  53 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  54         struct crypto_ahash *tfm)
  55 {
  56         return (struct cryptd_ahash *)tfm;
  57 }
  58
  59 /* alg_name should be algorithm to be cryptd-ed */
  60 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  61                                         u32 type, u32 mask);
  62 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  63 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  64 /* Must be called without moving CPUs. */
  65 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  66 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  67
  68 struct cryptd_aead {
  69         struct crypto_aead base;
  70 };
  71
  72 static inline struct cryptd_aead *__cryptd_aead_cast(
  73         struct crypto_aead *tfm)
  74 {
  75         return (struct cryptd_aead *)tfm;
  76 }
  77
  78 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  79                                           u32 type, u32 mask);
  80
  81 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  82 /* Must be called without moving CPUs. */
  83 bool cryptd_aead_queued(struct cryptd_aead *tfm);
  84
  85 void cryptd_free_aead(struct cryptd_aead *tfm);
  86
  87 #endif