1#ifndef _ASM_POWERPC_ARCHRANDOM_H 2#define _ASM_POWERPC_ARCHRANDOM_H 3 4#ifdef CONFIG_ARCH_RANDOM 5 6#include <asm/machdep.h> 7 8static inline int arch_get_random_long(unsigned long *v) 9{ 10 return 0; 11} 12 13static inline int arch_get_random_int(unsigned int *v) 14{ 15 return 0; 16} 17 18static inline int arch_get_random_seed_long(unsigned long *v) 19{ 20 if (ppc_md.get_random_seed) 21 return ppc_md.get_random_seed(v); 22 23 return 0; 24} 25static inline int arch_get_random_seed_int(unsigned int *v) 26{ 27 unsigned long val; 28 int rc; 29 30 rc = arch_get_random_long(&val); 31 if (rc) 32 *v = val; 33 34 return rc; 35} 36 37static inline int arch_has_random(void) 38{ 39 return 0; 40} 41 42static inline int arch_has_random_seed(void) 43{ 44 return !!ppc_md.get_random_seed; 45} 46#endif /* CONFIG_ARCH_RANDOM */ 47 48#ifdef CONFIG_PPC_POWERNV 49int powernv_hwrng_present(void); 50int powernv_get_random_long(unsigned long *v); 51int powernv_get_random_real_mode(unsigned long *v); 52#else 53static inline int powernv_hwrng_present(void) { return 0; } 54static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } 55#endif 56 57#endif /* _ASM_POWERPC_ARCHRANDOM_H */ 58