LXR linux/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
  21struct cryptd_skcipher {
  22        struct crypto_skcipher base;
  23};
  24
  25/* alg_name should be algorithm to be cryptd-ed */
  26struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
  27                                              u32 type, u32 mask);
  28struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
  29/* Must be called without moving CPUs. */
  30bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
  31void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
  32
  33struct cryptd_ahash {
  34        struct crypto_ahash base;
  35};
  36
  37static 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 */
  44struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  45                                        u32 type, u32 mask);
  46struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  47struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  48/* Must be called without moving CPUs. */
  49bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  50void cryptd_free_ahash(struct cryptd_ahash *tfm);
  51
  52struct cryptd_aead {
  53        struct crypto_aead base;
  54};
  55
  56static inline struct cryptd_aead *__cryptd_aead_cast(
  57        struct crypto_aead *tfm)
  58{
  59        return (struct cryptd_aead *)tfm;
  60}
  61
  62struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  63                                          u32 type, u32 mask);
  64
  65struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  66/* Must be called without moving CPUs. */
  67bool cryptd_aead_queued(struct cryptd_aead *tfm);
  68
  69void cryptd_free_aead(struct cryptd_aead *tfm);
  70
  71#endif
  72