| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * OMAP Crypto driver common support routines. |
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| 4 | * |
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| 5 | * Copyright (c) 2017 Texas Instruments Incorporated |
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| 6 | * Tero Kristo <t-kristo@ti.com> |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef __CRYPTO_OMAP_CRYPTO_H |
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| 10 | #define __CRYPTO_OMAP_CRYPTO_H |
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| 11 | |
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| 12 | enum { |
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| 13 | OMAP_CRYPTO_NOT_ALIGNED = 1, |
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| 14 | OMAP_CRYPTO_BAD_DATA_LENGTH, |
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| 15 | }; |
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| 16 | |
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| 17 | #define OMAP_CRYPTO_DATA_COPIED BIT(0) |
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| 18 | #define OMAP_CRYPTO_SG_COPIED BIT(1) |
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| 19 | |
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| 20 | #define OMAP_CRYPTO_COPY_MASK 0x3 |
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| 21 | |
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| 22 | #define OMAP_CRYPTO_COPY_DATA BIT(0) |
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| 23 | #define OMAP_CRYPTO_FORCE_COPY BIT(1) |
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| 24 | #define OMAP_CRYPTO_ZERO_BUF BIT(2) |
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| 25 | #define OMAP_CRYPTO_FORCE_SINGLE_ENTRY BIT(3) |
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| 26 | |
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| 27 | int omap_crypto_align_sg(struct scatterlist **sg, int total, int bs, |
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| 28 | struct scatterlist *new_sg, u16 flags, |
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| 29 | u8 flags_shift, unsigned long *dd_flags); |
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| 30 | void omap_crypto_cleanup(struct scatterlist *sg, struct scatterlist *orig, |
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| 31 | int offset, int len, u8 flags_shift, |
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| 32 | unsigned long flags); |
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| 33 | |
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| 34 | #endif |
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| 35 | |
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