1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_POWERPC_ARCHRANDOM_H
 3#define _ASM_POWERPC_ARCHRANDOM_H
 4
 5static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs)
 
 
 
 
 
 
 
 
 
 6{
 7	return 0;
 8}
 9
10size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
11
12#ifdef CONFIG_PPC_POWERNV
13int pnv_get_random_long(unsigned long *v);
 
 
 
 
 
14#endif
15
16#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 */