| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | |
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| 3 | #include <linux/bitops.h> |
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| 4 | #include <linux/find.h> |
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| 5 | |
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| 6 | void rust_helper___set_bit(unsigned long nr, unsigned long *addr) |
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| 7 | { |
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| 8 | __set_bit(nr, addr); |
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| 9 | } |
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| 10 | |
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| 11 | void rust_helper___clear_bit(unsigned long nr, unsigned long *addr) |
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| 12 | { |
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| 13 | __clear_bit(nr, addr); |
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| 14 | } |
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| 15 | |
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| 16 | void rust_helper_set_bit(unsigned long nr, volatile unsigned long *addr) |
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| 17 | { |
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| 18 | set_bit(nr, addr); |
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| 19 | } |
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| 20 | |
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| 21 | void rust_helper_clear_bit(unsigned long nr, volatile unsigned long *addr) |
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| 22 | { |
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| 23 | clear_bit(nr, addr); |
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| 24 | } |
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| 25 | |
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| 26 | /* |
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| 27 | * The rust_helper_ prefix is intentionally omitted below so that the |
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| 28 | * declarations in include/linux/find.h are compatible with these helpers. |
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| 29 | * |
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| 30 | * Note that the below #ifdefs mean that the helper is only created if C does |
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| 31 | * not provide a definition. |
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| 32 | */ |
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| 33 | #ifdef find_first_zero_bit |
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| 34 | __rust_helper |
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| 35 | unsigned long _find_first_zero_bit(const unsigned long *p, unsigned long size) |
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| 36 | { |
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| 37 | return find_first_zero_bit(p, size); |
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| 38 | } |
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| 39 | #endif /* find_first_zero_bit */ |
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| 40 | |
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| 41 | #ifdef find_next_zero_bit |
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| 42 | __rust_helper |
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| 43 | unsigned long _find_next_zero_bit(const unsigned long *addr, |
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| 44 | unsigned long size, unsigned long offset) |
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| 45 | { |
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| 46 | return find_next_zero_bit(addr, size, offset); |
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| 47 | } |
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| 48 | #endif /* find_next_zero_bit */ |
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| 49 | |
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| 50 | #ifdef find_first_bit |
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| 51 | __rust_helper |
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| 52 | unsigned long _find_first_bit(const unsigned long *addr, unsigned long size) |
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| 53 | { |
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| 54 | return find_first_bit(addr, size); |
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| 55 | } |
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| 56 | #endif /* find_first_bit */ |
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| 57 | |
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| 58 | #ifdef find_next_bit |
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| 59 | __rust_helper |
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| 60 | unsigned long _find_next_bit(const unsigned long *addr, unsigned long size, |
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| 61 | unsigned long offset) |
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| 62 | { |
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| 63 | return find_next_bit(addr, size, offset); |
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| 64 | } |
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| 65 | #endif /* find_next_bit */ |
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| 66 | |
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