Loading...
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 return 0;
11}
12
13static inline int arch_get_random_int(unsigned int *v)
14{
15 return 0;
16}
17
18static inline int arch_get_random_seed_long(unsigned long *v)
19{
20 if (ppc_md.get_random_seed)
21 return ppc_md.get_random_seed(v);
22
23 return 0;
24}
25static inline int arch_get_random_seed_int(unsigned int *v)
26{
27 unsigned long val;
28 int rc;
29
30 rc = arch_get_random_long(&val);
31 if (rc)
32 *v = val;
33
34 return rc;
35}
36
37static inline int arch_has_random(void)
38{
39 return 0;
40}
41
42static inline int arch_has_random_seed(void)
43{
44 return !!ppc_md.get_random_seed;
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 */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_POWERPC_ARCHRANDOM_H
3#define _ASM_POWERPC_ARCHRANDOM_H
4
5#ifdef CONFIG_ARCH_RANDOM
6
7#include <asm/machdep.h>
8
9static inline int arch_get_random_long(unsigned long *v)
10{
11 return 0;
12}
13
14static inline int arch_get_random_int(unsigned int *v)
15{
16 return 0;
17}
18
19static inline int arch_get_random_seed_long(unsigned long *v)
20{
21 if (ppc_md.get_random_seed)
22 return ppc_md.get_random_seed(v);
23
24 return 0;
25}
26static inline int arch_get_random_seed_int(unsigned int *v)
27{
28 unsigned long val;
29 int rc;
30
31 rc = arch_get_random_long(&val);
32 if (rc)
33 *v = val;
34
35 return rc;
36}
37
38static inline int arch_has_random(void)
39{
40 return 0;
41}
42
43static inline int arch_has_random_seed(void)
44{
45 return !!ppc_md.get_random_seed;
46}
47#endif /* CONFIG_ARCH_RANDOM */
48
49#ifdef CONFIG_PPC_POWERNV
50int powernv_hwrng_present(void);
51int powernv_get_random_long(unsigned long *v);
52int powernv_get_random_real_mode(unsigned long *v);
53#else
54static inline int powernv_hwrng_present(void) { return 0; }
55static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; }
56#endif
57
58#endif /* _ASM_POWERPC_ARCHRANDOM_H */