| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _ASM_POWERPC_ARCHRANDOM_H | |
| #define _ASM_POWERPC_ARCHRANDOM_H | |
| #ifdef CONFIG_ARCH_RANDOM | |
| #include <asm/machdep.h> | |
| static inline int arch_get_random_long(unsigned long *v) | |
| { | |
| return 0; | |
| } | |
| static inline int arch_get_random_int(unsigned int *v) | |
| { | |
| return 0; | |
| } | |
| static inline int arch_get_random_seed_long(unsigned long *v) | |
| { | |
| if (ppc_md.get_random_seed) | |
| return ppc_md.get_random_seed(v); | |
| return 0; | |
| } | |
| static inline int arch_get_random_seed_int(unsigned int *v) | |
| { | |
| unsigned long val; | |
| int rc; | |
| rc = arch_get_random_long(&val); | |
| if (rc) | |
| *v = val; | |
| return rc; | |
| } | |
| static inline int arch_has_random(void) | |
| { | |
| return 0; | |
| } | |
| static inline int arch_has_random_seed(void) | |
| { | |
| return !!ppc_md.get_random_seed; | |
| } | |
| #endif /* CONFIG_ARCH_RANDOM */ | |
| #ifdef CONFIG_PPC_POWERNV | |
| int powernv_hwrng_present(void); | |
| int powernv_get_random_long(unsigned long *v); | |
| int powernv_get_random_real_mode(unsigned long *v); | |
| #else | |
| static inline int powernv_hwrng_present(void) { return 0; } | |
| static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } | |
| #endif | |
| #endif /* _ASM_POWERPC_ARCHRANDOM_H */ |