1 | /*
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2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef HEADER_AFALG_H
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11 | # define HEADER_AFALG_H
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12 |
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13 | # ifdef ALG_DEBUG
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14 | # define ALG_DGB(x, ...) fprintf(stderr, "ALG_DBG: " x, __VA_ARGS__)
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15 | # define ALG_INFO(x, ...) fprintf(stderr, "ALG_INFO: " x, __VA_ARGS__)
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16 | # define ALG_WARN(x, ...) fprintf(stderr, "ALG_WARN: " x, __VA_ARGS__)
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17 | # else
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18 | # define ALG_DGB(x, ...)
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19 | # define ALG_INFO(x, ...)
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20 | # define ALG_WARN(x, ...)
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21 | # endif
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22 |
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23 | # define ALG_ERR(x, ...) fprintf(stderr, "ALG_ERR: " x, __VA_ARGS__)
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24 | # define ALG_PERR(x, ...) \
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25 | do { \
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26 | fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \
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27 | perror(NULL); \
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28 | } while(0)
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29 | # define ALG_PWARN(x, ...) \
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30 | do { \
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31 | fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \
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32 | perror(NULL); \
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33 | } while(0)
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34 |
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35 | # ifndef AES_BLOCK_SIZE
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36 | # define AES_BLOCK_SIZE 16
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37 | # endif
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38 | # define AES_KEY_SIZE_128 16
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39 | # define AES_IV_LEN 16
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40 |
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41 | # define MAX_INFLIGHTS 1
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42 |
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43 | typedef enum {
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44 | MODE_UNINIT = 0,
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45 | MODE_SYNC,
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46 | MODE_ASYNC
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47 | } op_mode;
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48 |
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49 | struct afalg_aio_st {
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50 | int efd;
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51 | op_mode mode;
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52 | aio_context_t aio_ctx;
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53 | struct io_event events[MAX_INFLIGHTS];
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54 | struct iocb cbt[MAX_INFLIGHTS];
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55 | };
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56 | typedef struct afalg_aio_st afalg_aio;
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57 |
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58 | /*
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59 | * MAGIC Number to identify correct initialisation
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60 | * of afalg_ctx.
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61 | */
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62 | # define MAGIC_INIT_NUM 0x1890671
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63 |
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64 | struct afalg_ctx_st {
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65 | int init_done;
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66 | int sfd;
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67 | int bfd;
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68 | # ifdef ALG_ZERO_COPY
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69 | int zc_pipe[2];
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70 | # endif
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71 | afalg_aio aio;
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72 | };
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73 |
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74 | typedef struct afalg_ctx_st afalg_ctx;
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75 | #endif
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