drivers/crypto/omap-crypto.h

   1 /*
   2  * OMAP Crypto driver common support routines.
   3  *
   4  * Copyright (c) 2017 Texas Instruments Incorporated
   5  *   Tero Kristo <t-kristo@ti.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as published
   9  * by the Free Software Foundation.
  10  */
  11
  12 #ifndef __CRYPTO_OMAP_CRYPTO_H
  13 #define __CRYPTO_OMAP_CRYPTO_H
  14
  15 enum {
  16         OMAP_CRYPTO_NOT_ALIGNED = 1,
  17         OMAP_CRYPTO_BAD_DATA_LENGTH,
  18 };
  19
  20 #define OMAP_CRYPTO_DATA_COPIED         BIT(0)
  21 #define OMAP_CRYPTO_SG_COPIED           BIT(1)
  22
  23 #define OMAP_CRYPTO_COPY_MASK           0x3
  24
  25 #define OMAP_CRYPTO_COPY_DATA           BIT(0)
  26 #define OMAP_CRYPTO_FORCE_COPY          BIT(1)
  27 #define OMAP_CRYPTO_ZERO_BUF            BIT(2)
  28 #define OMAP_CRYPTO_FORCE_SINGLE_ENTRY  BIT(3)
  29
  30 int omap_crypto_align_sg(struct scatterlist **sg, int total, int bs,
  31                          struct scatterlist *new_sg, u16 flags,
  32                          u8 flags_shift, unsigned long *dd_flags);
  33 void omap_crypto_cleanup(struct scatterlist *sg, struct scatterlist *orig,
  34                          int offset, int len, u8 flags_shift,
  35                          unsigned long flags);
  36
  37 #endif