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1 | 1 | /* |
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2 | 2 | Hardware Random Number Generator |
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3 | 3 | |
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4 | | - Please read Documentation/hw_random.txt for details on use. |
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| 4 | + Please read Documentation/admin-guide/hw_random.rst for details on use. |
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5 | 5 | |
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6 | 6 | ---------------------------------------------------------- |
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7 | 7 | This software may be used and distributed according to the terms |
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33 | 33 | * and max is a multiple of 4 and >= 32 bytes. |
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34 | 34 | * @priv: Private data, for use by the RNG driver. |
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35 | 35 | * @quality: Estimation of true entropy in RNG's bitstream |
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36 | | - * (per mill). |
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| 36 | + * (in bits of entropy per 1024 bits of input; |
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| 37 | + * valid values: 1 to 1024, or 0 for unknown). |
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37 | 38 | */ |
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38 | 39 | struct hwrng { |
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39 | 40 | const char *name; |
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59 | 60 | /** Unregister a Hardware Random Number Generator driver. */ |
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60 | 61 | extern void hwrng_unregister(struct hwrng *rng); |
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61 | 62 | extern void devm_hwrng_unregister(struct device *dve, struct hwrng *rng); |
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62 | | -/** Feed random bits into the pool. */ |
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63 | | -extern void add_hwgenerator_randomness(const char *buffer, size_t count, size_t entropy); |
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64 | 63 | |
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65 | 64 | #endif /* LINUX_HWRANDOM_H_ */ |
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