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440e5d80 RS |
1 | /* |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | |
7f458a48 | 3 | * |
ab3fa1c0 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
440e5d80 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
7f458a48 | 8 | */ |
9 | ||
04473165 RS |
10 | #ifndef HEADER_AFALG_H |
11 | # define HEADER_AFALG_H | |
7f458a48 | 12 | |
c27778d8 AP |
13 | # if defined(__GNUC__) && __GNUC__ >= 4 && \ |
14 | (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L) | |
15 | # pragma GCC diagnostic ignored "-Wvariadic-macros" | |
16 | # endif | |
17 | ||
7f458a48 | 18 | # ifdef ALG_DEBUG |
19 | # define ALG_DGB(x, ...) fprintf(stderr, "ALG_DBG: " x, __VA_ARGS__) | |
20 | # define ALG_INFO(x, ...) fprintf(stderr, "ALG_INFO: " x, __VA_ARGS__) | |
21 | # define ALG_WARN(x, ...) fprintf(stderr, "ALG_WARN: " x, __VA_ARGS__) | |
22 | # else | |
23 | # define ALG_DGB(x, ...) | |
24 | # define ALG_INFO(x, ...) | |
25 | # define ALG_WARN(x, ...) | |
26 | # endif | |
27 | ||
28 | # define ALG_ERR(x, ...) fprintf(stderr, "ALG_ERR: " x, __VA_ARGS__) | |
29 | # define ALG_PERR(x, ...) \ | |
30 | do { \ | |
31 | fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \ | |
32 | perror(NULL); \ | |
33 | } while(0) | |
6cba4a66 | 34 | # define ALG_PWARN(x, ...) \ |
35 | do { \ | |
36 | fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \ | |
37 | perror(NULL); \ | |
38 | } while(0) | |
7f458a48 | 39 | |
40 | # ifndef AES_BLOCK_SIZE | |
41 | # define AES_BLOCK_SIZE 16 | |
42 | # endif | |
43 | # define AES_KEY_SIZE_128 16 | |
49ea0f09 J |
44 | # define AES_KEY_SIZE_192 24 |
45 | # define AES_KEY_SIZE_256 32 | |
7f458a48 | 46 | # define AES_IV_LEN 16 |
47 | ||
48 | # define MAX_INFLIGHTS 1 | |
49 | ||
6cba4a66 | 50 | typedef enum { |
51 | MODE_UNINIT = 0, | |
52 | MODE_SYNC, | |
53 | MODE_ASYNC | |
54 | } op_mode; | |
55 | ||
49ea0f09 J |
56 | enum { |
57 | AES_CBC_128 = 0, | |
58 | AES_CBC_192, | |
59 | AES_CBC_256 | |
60 | }; | |
61 | ||
62 | struct cbc_cipher_handles { | |
63 | int key_size; | |
64 | EVP_CIPHER *_hidden; | |
65 | }; | |
66 | ||
67 | typedef struct cbc_cipher_handles cbc_handles; | |
68 | ||
7f458a48 | 69 | struct afalg_aio_st { |
6cba4a66 | 70 | int efd; |
71 | op_mode mode; | |
7f458a48 | 72 | aio_context_t aio_ctx; |
73 | struct io_event events[MAX_INFLIGHTS]; | |
74 | struct iocb cbt[MAX_INFLIGHTS]; | |
75 | }; | |
76 | typedef struct afalg_aio_st afalg_aio; | |
77 | ||
78 | /* | |
79 | * MAGIC Number to identify correct initialisation | |
80 | * of afalg_ctx. | |
81 | */ | |
82 | # define MAGIC_INIT_NUM 0x1890671 | |
83 | ||
84 | struct afalg_ctx_st { | |
85 | int init_done; | |
86 | int sfd; | |
87 | int bfd; | |
88 | # ifdef ALG_ZERO_COPY | |
89 | int zc_pipe[2]; | |
90 | # endif | |
91 | afalg_aio aio; | |
92 | }; | |
93 | ||
94 | typedef struct afalg_ctx_st afalg_ctx; | |
95 | #endif |