linux/drivers/crypto/omap-crypto.h
Tero Kristo 74ed87e7e7 crypto: omap - add base support library for common routines
This contains the generic APIs for aligning SG buffers.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-10 12:04:15 +08:00

38 lines
1.0 KiB
C

/*
* OMAP Crypto driver common support routines.
*
* Copyright (c) 2017 Texas Instruments Incorporated
* Tero Kristo <t-kristo@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef __CRYPTO_OMAP_CRYPTO_H
#define __CRYPTO_OMAP_CRYPTO_H
enum {
OMAP_CRYPTO_NOT_ALIGNED = 1,
OMAP_CRYPTO_BAD_DATA_LENGTH,
};
#define OMAP_CRYPTO_DATA_COPIED BIT(0)
#define OMAP_CRYPTO_SG_COPIED BIT(1)
#define OMAP_CRYPTO_COPY_MASK 0x3
#define OMAP_CRYPTO_COPY_DATA BIT(0)
#define OMAP_CRYPTO_FORCE_COPY BIT(1)
#define OMAP_CRYPTO_ZERO_BUF BIT(2)
#define OMAP_CRYPTO_FORCE_SINGLE_ENTRY BIT(3)
int omap_crypto_align_sg(struct scatterlist **sg, int total, int bs,
struct scatterlist *new_sg, u16 flags,
u8 flags_shift, unsigned long *dd_flags);
void omap_crypto_cleanup(struct scatterlist *sg, struct scatterlist *orig,
int offset, int len, u8 flags_shift,
unsigned long flags);
#endif