drivers/crypto/omap-crypto.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * OMAP Crypto driver common support routines.
   4  *
   5  * Copyright (c) 2017 Texas Instruments Incorporated
   6  *   Tero Kristo <t-kristo@ti.com>
   7  */
   8
   9 #ifndef __CRYPTO_OMAP_CRYPTO_H
  10 #define __CRYPTO_OMAP_CRYPTO_H
  11
  12 enum {
  13         OMAP_CRYPTO_NOT_ALIGNED = 1,
  14         OMAP_CRYPTO_BAD_DATA_LENGTH,
  15 };
  16
  17 #define OMAP_CRYPTO_DATA_COPIED         BIT(0)
  18 #define OMAP_CRYPTO_SG_COPIED           BIT(1)
  19
  20 #define OMAP_CRYPTO_COPY_MASK           0x3
  21
  22 #define OMAP_CRYPTO_COPY_DATA           BIT(0)
  23 #define OMAP_CRYPTO_FORCE_COPY          BIT(1)
  24 #define OMAP_CRYPTO_ZERO_BUF            BIT(2)
  25 #define OMAP_CRYPTO_FORCE_SINGLE_ENTRY  BIT(3)
  26
  27 int omap_crypto_align_sg(struct scatterlist **sg, int total, int bs,
  28                          struct scatterlist *new_sg, u16 flags,
  29                          u8 flags_shift, unsigned long *dd_flags);
  30 void omap_crypto_cleanup(struct scatterlist *sg, struct scatterlist *orig,
  31                          int offset, int len, u8 flags_shift,
  32                          unsigned long flags);
  33
  34 #endif