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_skcipher {
  22         struct crypto_skcipher base;
  23 };
  24
  25 /* alg_name should be algorithm to be cryptd-ed */
  26 struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
  27                                               u32 type, u32 mask);
  28 struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
  29 /* Must be called without moving CPUs. */
  30 bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
  31 void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
  32
  33 struct cryptd_ahash {
  34         struct crypto_ahash base;
  35 };
  36
  37 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  38         struct crypto_ahash *tfm)
  39 {
  40         return (struct cryptd_ahash *)tfm;
  41 }
  42
  43 /* alg_name should be algorithm to be cryptd-ed */
  44 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  45                                         u32 type, u32 mask);
  46 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  47 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  48 /* Must be called without moving CPUs. */
  49 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  50 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  51
  52 struct cryptd_aead {
  53         struct crypto_aead base;
  54 };
  55
  56 static inline struct cryptd_aead *__cryptd_aead_cast(
  57         struct crypto_aead *tfm)
  58 {
  59         return (struct cryptd_aead *)tfm;
  60 }
  61
  62 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  63                                           u32 type, u32 mask);
  64
  65 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  66 /* Must be called without moving CPUs. */
  67 bool cryptd_aead_queued(struct cryptd_aead *tfm);
  68
  69 void cryptd_free_aead(struct cryptd_aead *tfm);
  70
  71 #endif