| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 |