projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a4da0d50 ME |
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 | ||
| 8 | static inline int arch_get_random_long(unsigned long *v) | |
| 9 | { | |
| a4da0d50 ME |
10 | return 0; |
| 11 | } | |
| 12 | ||
| 13 | static inline int arch_get_random_int(unsigned int *v) | |
| 01c9348c PM |
14 | { |
| 15 | return 0; | |
| 16 | } | |
| 17 | ||
| 18 | static 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 | } | |
| 25 | static inline int arch_get_random_seed_int(unsigned int *v) | |
| a4da0d50 ME |
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 | ||
| 7b878d4b | 37 | static inline int arch_has_random(void) |
| d20f78d2 PA |
38 | { |
| 39 | return 0; | |
| 40 | } | |
| 01c9348c | 41 | |
| 7b878d4b PA |
42 | static inline int arch_has_random_seed(void) |
| 43 | { | |
| 01c9348c | 44 | return !!ppc_md.get_random_seed; |
| 7b878d4b | 45 | } |
| a4da0d50 ME |
46 | #endif /* CONFIG_ARCH_RANDOM */ |
| 47 | ||
| e928e9cb ME |
48 | #ifdef CONFIG_PPC_POWERNV |
| 49 | int powernv_hwrng_present(void); | |
| 50 | int powernv_get_random_long(unsigned long *v); | |
| 51 | int powernv_get_random_real_mode(unsigned long *v); | |
| 52 | #else | |
| 53 | static inline int powernv_hwrng_present(void) { return 0; } | |
| 54 | static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; } | |
| 55 | #endif | |
| 56 | ||
| a4da0d50 | 57 | #endif /* _ASM_POWERPC_ARCHRANDOM_H */ |