| 1 | /* $NetBSD: kcpuset.h,v 1.11 2014/05/19 20:39:23 rmind Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2008, 2011 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Christos Zoulas and Mindaugas Rasiukevicius. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _SYS_KCPUSET_H_ |
| 33 | #define _SYS_KCPUSET_H_ |
| 34 | |
| 35 | struct kcpuset; |
| 36 | typedef struct kcpuset kcpuset_t; |
| 37 | |
| 38 | #ifdef _KERNEL |
| 39 | |
| 40 | #include <sys/sched.h> |
| 41 | |
| 42 | void kcpuset_sysinit(void); |
| 43 | |
| 44 | void kcpuset_create(kcpuset_t **, bool); |
| 45 | void kcpuset_clone(kcpuset_t **, const kcpuset_t *); |
| 46 | void kcpuset_destroy(kcpuset_t *); |
| 47 | void kcpuset_copy(kcpuset_t *, const kcpuset_t *); |
| 48 | |
| 49 | void kcpuset_use(kcpuset_t *); |
| 50 | void kcpuset_unuse(kcpuset_t *, kcpuset_t **); |
| 51 | |
| 52 | int kcpuset_copyin(const cpuset_t *, kcpuset_t *, size_t); |
| 53 | int kcpuset_copyout(kcpuset_t *, cpuset_t *, size_t); |
| 54 | |
| 55 | void kcpuset_zero(kcpuset_t *); |
| 56 | void kcpuset_fill(kcpuset_t *); |
| 57 | void kcpuset_set(kcpuset_t *, cpuid_t); |
| 58 | void kcpuset_clear(kcpuset_t *, cpuid_t); |
| 59 | |
| 60 | bool kcpuset_isset(const kcpuset_t *, cpuid_t); |
| 61 | bool kcpuset_isotherset(const kcpuset_t *, cpuid_t); |
| 62 | bool kcpuset_iszero(const kcpuset_t *); |
| 63 | bool kcpuset_intersecting_p(const kcpuset_t *, const kcpuset_t *); |
| 64 | bool kcpuset_match(const kcpuset_t *, const kcpuset_t *); |
| 65 | void kcpuset_intersect(kcpuset_t *, const kcpuset_t *); |
| 66 | void kcpuset_merge(kcpuset_t *, const kcpuset_t *); |
| 67 | void kcpuset_remove(kcpuset_t *, const kcpuset_t *); |
| 68 | int kcpuset_countset(const kcpuset_t *); |
| 69 | |
| 70 | cpuid_t kcpuset_ffs(const kcpuset_t *); |
| 71 | cpuid_t kcpuset_ffs_intersecting(const kcpuset_t *, const kcpuset_t *); |
| 72 | |
| 73 | void kcpuset_atomic_set(kcpuset_t *, cpuid_t); |
| 74 | void kcpuset_atomic_clear(kcpuset_t *, cpuid_t); |
| 75 | |
| 76 | void kcpuset_atomicly_zero(kcpuset_t *); |
| 77 | void kcpuset_atomicly_intersect(kcpuset_t *, const kcpuset_t *); |
| 78 | void kcpuset_atomicly_merge(kcpuset_t *, const kcpuset_t *); |
| 79 | void kcpuset_atomicly_remove(kcpuset_t *, const kcpuset_t *); |
| 80 | |
| 81 | void kcpuset_export_u32(const kcpuset_t *, uint32_t *, size_t); |
| 82 | |
| 83 | #endif |
| 84 | |
| 85 | #endif /* _SYS_KCPUSET_H_ */ |
| 86 | |