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Diffstat (limited to 'src/libstrongswan/utils/cpu_feature.h')
| -rw-r--r-- | src/libstrongswan/utils/cpu_feature.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/libstrongswan/utils/cpu_feature.h b/src/libstrongswan/utils/cpu_feature.h new file mode 100644 index 000000000..d7300a30a --- /dev/null +++ b/src/libstrongswan/utils/cpu_feature.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2015 Martin Willi + * Copyright (C) 2015 revosec AG + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup cpu_feature cpu_feature + * @{ @ingroup utils + */ + +#ifndef CPU_FEATURE_H_ +#define CPU_FEATURE_H_ + +#include <library.h> + +typedef enum { + /** x86/x64 extensions */ + CPU_FEATURE_MMX = (1 << 0), + CPU_FEATURE_SSE = (1 << 1), + CPU_FEATURE_SSE2 = (1 << 2), + CPU_FEATURE_SSE3 = (1 << 3), + CPU_FEATURE_SSSE3 = (1 << 4), + CPU_FEATURE_SSE41 = (1 << 5), + CPU_FEATURE_SSE42 = (1 << 6), + CPU_FEATURE_AVX = (1 << 7), + CPU_FEATURE_RDRAND = (1 << 8), + CPU_FEATURE_AESNI = (1 << 9), + CPU_FEATURE_PCLMULQDQ = (1 << 10), +} cpu_feature_t; + +/** + * Get a bitmask for all supported CPU features + */ +cpu_feature_t cpu_feature_get_all(); + +/** + * Check if a given set of CPU features is available. + */ +bool cpu_feature_available(cpu_feature_t feature); + +#endif /** CPU_FEATURE_H_ @}*/ |