diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/linux/linux_entropy.h')
| -rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/linux/linux_entropy.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/linux/linux_entropy.h b/qemu/roms/ipxe/src/include/ipxe/linux/linux_entropy.h new file mode 100644 index 000000000..bd89bd52f --- /dev/null +++ b/qemu/roms/ipxe/src/include/ipxe/linux/linux_entropy.h @@ -0,0 +1,32 @@ +#ifndef _IPXE_LINUX_ENTROPY_H +#define _IPXE_LINUX_ENTROPY_H + +/** @file + * + * iPXE entropy API for linux + * + */ + +FILE_LICENCE(GPL2_OR_LATER); + +#ifdef ENTROPY_LINUX +#define ENTROPY_PREFIX_linux +#else +#define ENTROPY_PREFIX_linux __linux_ +#endif + +/** + * min-entropy per sample + * + * @ret min_entropy min-entropy of each sample + */ +static inline __always_inline double +ENTROPY_INLINE ( linux, min_entropy_per_sample ) ( void ) { + + /* We read single bytes from /dev/random and assume that each + * contains full entropy. + */ + return 8; +} + +#endif /* _IPXE_LINUX_ENTROPY_H */ |