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 8 static inline int arch_get_random_long(unsigned long *v) 9 { 10 return 0; 11 } 12 13 static inline int arch_get_random_int(unsigned int *v) 14 { 15 return 0; 16 } 17 18 static 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 } 25 static 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 37 static inline int arch_has_random(void) 38 { 39 return 0; 40 } 41 42 static 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 49 int powernv_hwrng_present(void); 50 int powernv_get_random_long(unsigned long *v); 51 int powernv_get_random_real_mode(unsigned long *v); 52 #else 53 static inline int powernv_hwrng_present(void) { return 0; } 54 static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } 55 #endif 56 57 #endif /* _ASM_POWERPC_ARCHRANDOM_H */ 58