diff options
Diffstat (limited to 'engines/e_afalg.h')
-rw-r--r-- | engines/e_afalg.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/engines/e_afalg.h b/engines/e_afalg.h new file mode 100644 index 0000000000..948d67e584 --- /dev/null +++ b/engines/e_afalg.h @@ -0,0 +1,80 @@ +/* + * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef HEADER_AFALG_H +# define HEADER_AFALG_H + +# if defined(__GNUC__) && __GNUC__ >= 4 && \ + (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L) +# pragma GCC diagnostic ignored "-Wvariadic-macros" +# endif + +# ifdef ALG_DEBUG +# define ALG_DGB(x, ...) fprintf(stderr, "ALG_DBG: " x, __VA_ARGS__) +# define ALG_INFO(x, ...) fprintf(stderr, "ALG_INFO: " x, __VA_ARGS__) +# define ALG_WARN(x, ...) fprintf(stderr, "ALG_WARN: " x, __VA_ARGS__) +# else +# define ALG_DGB(x, ...) +# define ALG_INFO(x, ...) +# define ALG_WARN(x, ...) +# endif + +# define ALG_ERR(x, ...) fprintf(stderr, "ALG_ERR: " x, __VA_ARGS__) +# define ALG_PERR(x, ...) \ + do { \ + fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \ + perror(NULL); \ + } while(0) +# define ALG_PWARN(x, ...) \ + do { \ + fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \ + perror(NULL); \ + } while(0) + +# ifndef AES_BLOCK_SIZE +# define AES_BLOCK_SIZE 16 +# endif +# define AES_KEY_SIZE_128 16 +# define AES_IV_LEN 16 + +# define MAX_INFLIGHTS 1 + +typedef enum { + MODE_UNINIT = 0, + MODE_SYNC, + MODE_ASYNC +} op_mode; + +struct afalg_aio_st { + int efd; + op_mode mode; + aio_context_t aio_ctx; + struct io_event events[MAX_INFLIGHTS]; + struct iocb cbt[MAX_INFLIGHTS]; +}; +typedef struct afalg_aio_st afalg_aio; + +/* + * MAGIC Number to identify correct initialisation + * of afalg_ctx. + */ +# define MAGIC_INIT_NUM 0x1890671 + +struct afalg_ctx_st { + int init_done; + int sfd; + int bfd; +# ifdef ALG_ZERO_COPY + int zc_pipe[2]; +# endif + afalg_aio aio; +}; + +typedef struct afalg_ctx_st afalg_ctx; +#endif |