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 35