1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_UM_ARCHRANDOM_H__
3 #define __ASM_UM_ARCHRANDOM_H__
4
5 #include <linux/types.h>
6
7 /* This is from <os.h>, but better not to #include that in a global header here. */
8 ssize_t os_getrandom(void *buf, size_t len, unsigned int flags);
9
10 static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs)
11 {
12 ssize_t ret;
13
14 ret = os_getrandom(v, max_longs * sizeof(*v), 0);
15 if (ret < 0)
16 return 0;
17 return ret / sizeof(*v);
18 }
19
20 static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs)
21 {
22 return 0;
23 }
24
25 #endif
26
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