xref: /freebsd/sys/vm/vm_domainset.h (revision 783d3ff6d7fae619db8a7990b8a6387de0c677b5)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2017,	Jeffrey Roberson <jeff@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #ifndef __VM_DOMAINSET_H__
29 #define __VM_DOMAINSET_H__
30 
31 struct vm_domainset_iter {
32 	struct domainset	*di_domain;
33 	unsigned int		*di_iter;
34 	domainset_t		di_valid_mask;
35 	vm_pindex_t		di_offset;
36 	int			di_flags;
37 	uint16_t		di_policy;
38 	domainid_t		di_n;
39 	bool			di_minskip;
40 };
41 
42 int	vm_domainset_iter_page(struct vm_domainset_iter *, struct vm_object *,
43 	    int *);
44 void	vm_domainset_iter_page_init(struct vm_domainset_iter *,
45 	    struct vm_object *, vm_pindex_t, int *, int *);
46 int	vm_domainset_iter_policy(struct vm_domainset_iter *, int *);
47 void	vm_domainset_iter_policy_init(struct vm_domainset_iter *,
48 	    struct domainset *, int *, int *);
49 void	vm_domainset_iter_policy_ref_init(struct vm_domainset_iter *,
50 	    struct domainset_ref *, int *, int *);
51 void	vm_domainset_iter_ignore(struct vm_domainset_iter *, int);
52 
53 int	vm_wait_doms(const domainset_t *, int mflags);
54 
55 #endif  /* __VM_DOMAINSET_H__ */
56