1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_UM_ARCHRANDOM_H__ 3#define __ASM_UM_ARCHRANDOM_H__ 4 5#include <linux/types.h> 6 7/* This is from <os.h>, but better not to #include that in a global header here. */ 8ssize_t os_getrandom(void *buf, size_t len, unsigned int flags); 9 10static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs) 11{ 12 ssize_t ret; 13 14 ret = os_getrandom(v, max_longs * sizeof(*v), 0); 15 if (ret < 0) 16 return 0; 17 return ret / sizeof(*v); 18} 19 20static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs) 21{ 22 return 0; 23} 24 25#endif 26