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
8static inline int arch_get_random_long(unsigned long *v)
9{
10	if (ppc_md.get_random_long)
11		return ppc_md.get_random_long(v);
12
13	return 0;
14}
15
16static inline int arch_get_random_int(unsigned int *v)
17{
18	unsigned long val;
19	int rc;
20
21	rc = arch_get_random_long(&val);
22	if (rc)
23		*v = val;
24
25	return rc;
26}
27
28static inline int arch_has_random(void)
29{
30	return !!ppc_md.get_random_long;
31}
32
33static inline int arch_get_random_seed_long(unsigned long *v)
34{
35	return 0;
36}
37static inline int arch_get_random_seed_int(unsigned int *v)
38{
39	return 0;
40}
41static inline int arch_has_random_seed(void)
42{
43	return 0;
44}
45
46#endif /* CONFIG_ARCH_RANDOM */
47
48#ifdef CONFIG_PPC_POWERNV
49int powernv_hwrng_present(void);
50int powernv_get_random_long(unsigned long *v);
51int powernv_get_random_real_mode(unsigned long *v);
52#else
53static inline int powernv_hwrng_present(void) { return 0; }
54static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; }
55#endif
56
57#endif /* _ASM_POWERPC_ARCHRANDOM_H */
58