50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
|
/* 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 */
|