projects / people / arne_f / kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| a4da0d50 ME |
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 | ||
| 9 | static inline int arch_get_random_long(unsigned long *v) | |
| 10 | { | |
| a4da0d50 ME |
11 | return 0; |
| 12 | } | |
| 13 | ||
| 14 | static inline int arch_get_random_int(unsigned int *v) | |
| 01c9348c PM |
15 | { |
| 16 | return 0; | |
| 17 | } | |
| 18 | ||
| 19 | static 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 | } | |
| 26 | static inline int arch_get_random_seed_int(unsigned int *v) | |
| a4da0d50 ME |
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 | ||
| 7b878d4b | 38 | static inline int arch_has_random(void) |
| d20f78d2 PA |
39 | { |
| 40 | return 0; | |
| 41 | } | |
| 01c9348c | 42 | |
| 7b878d4b PA |
43 | static inline int arch_has_random_seed(void) |
| 44 | { | |
| 01c9348c | 45 | return !!ppc_md.get_random_seed; |
| 7b878d4b | 46 | } |
| a4da0d50 ME |
47 | #endif /* CONFIG_ARCH_RANDOM */ |
| 48 | ||
| e928e9cb ME |
49 | #ifdef CONFIG_PPC_POWERNV |
| 50 | int powernv_hwrng_present(void); | |
| 51 | int powernv_get_random_long(unsigned long *v); | |
| 52 | int powernv_get_random_real_mode(unsigned long *v); | |
| 53 | #else | |
| 54 | static inline int powernv_hwrng_present(void) { return 0; } | |
| 55 | static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } | |
| 56 | #endif | |
| 57 | ||
| a4da0d50 | 58 | #endif /* _ASM_POWERPC_ARCHRANDOM_H */ |