File: archrandom.h

package info (click to toggle)
linux 5.10.46-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,191,996 kB
  • sloc: ansic: 19,502,768; asm: 263,759; sh: 73,960; makefile: 44,724; perl: 34,644; python: 32,387; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (49 lines) | stat: -rw-r--r-- 1,068 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/* 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 */