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