diff options
Diffstat (limited to 'arch/powerpc/include/asm/archrandom.h')
| -rw-r--r-- | arch/powerpc/include/asm/archrandom.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h new file mode 100644 index 000000000..9a53e2968 --- /dev/null +++ b/arch/powerpc/include/asm/archrandom.h @@ -0,0 +1,49 @@ +/* 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 bool __must_check arch_get_random_long(unsigned long *v) +{ + return false; +} + +static inline bool __must_check arch_get_random_int(unsigned int *v) +{ + return false; +} + +static inline bool __must_check arch_get_random_seed_long(unsigned long *v) +{ + if (ppc_md.get_random_seed) + return ppc_md.get_random_seed(v); + + return false; +} + +static inline bool __must_check arch_get_random_seed_int(unsigned int *v) +{ + unsigned long val; + bool rc; + + rc = arch_get_random_seed_long(&val); + if (rc) + *v = val; + + return rc; +} +#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 */ |