diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/archrandom.h | 32 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 4 |
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h new file mode 100644 index 000000000000..d853d163ba47 --- /dev/null +++ b/arch/powerpc/include/asm/archrandom.h @@ -0,0 +1,32 @@ +#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) +{ + if (ppc_md.get_random_long) + return ppc_md.get_random_long(v); + + return 0; +} + +static inline int arch_get_random_int(unsigned int *v) +{ + unsigned long val; + int rc; + + rc = arch_get_random_long(&val); + if (rc) + *v = val; + + return rc; +} + +int powernv_get_random_long(unsigned long *v); + +#endif /* CONFIG_ARCH_RANDOM */ + +#endif /* _ASM_POWERPC_ARCHRANDOM_H */ diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 8b480901165a..ce6cc2a7b8b9 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -263,6 +263,10 @@ struct machdep_calls { ssize_t (*cpu_probe)(const char *, size_t); ssize_t (*cpu_release)(const char *, size_t); #endif + +#ifdef CONFIG_ARCH_RANDOM + int (*get_random_long)(unsigned long *v); +#endif }; extern void e500_idle(void); |