drivers/mmc/core/crypto.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * MMC crypto engine (inline encryption) support
   4  *
   5  * Copyright 2020 Google LLC
   6  */
   7
   8 #ifndef _MMC_CORE_CRYPTO_H
   9 #define _MMC_CORE_CRYPTO_H
  10
  11 struct mmc_host;
  12 struct mmc_queue_req;
  13 struct request_queue;
  14
  15 #ifdef CONFIG_MMC_CRYPTO
  16
  17 void mmc_crypto_set_initial_state(struct mmc_host *host);
  18
  19 void mmc_crypto_setup_queue(struct request_queue *q, struct mmc_host *host);
  20
  21 void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq);
  22
  23 #else /* CONFIG_MMC_CRYPTO */
  24
  25 static inline void mmc_crypto_set_initial_state(struct mmc_host *host)
  26 {
  27 }
  28
  29 static inline void mmc_crypto_setup_queue(struct request_queue *q,
  30                                           struct mmc_host *host)
  31 {
  32 }
  33
  34 static inline void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
  35 {
  36 }
  37
  38 #endif /* !CONFIG_MMC_CRYPTO */
  39
  40 #endif /* _MMC_CORE_CRYPTO_H */