1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_POWERPC_ARCHRANDOM_H 3 #define _ASM_POWERPC_ARCHRANDOM_H 4 5 #include <asm/machdep.h> 6 7 static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs) 8 { 9 return 0; 10 } 11 12 static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs) 13 { 14 if (max_longs && ppc_md.get_random_seed && ppc_md.get_random_seed(v)) 15 return 1; 16 return 0; 17 } 18 19 #ifdef CONFIG_PPC_POWERNV 20 int powernv_hwrng_present(void); 21 int powernv_get_random_long(unsigned long *v); 22 int powernv_get_random_real_mode(unsigned long *v); 23 #else 24 static inline int powernv_hwrng_present(void) { return 0; } 25 static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } 26 #endif 27 28 #endif /* _ASM_POWERPC_ARCHRANDOM_H */ 29