xref: /dragonfly/sys/dev/drm/include/linux/mm_types.h (revision 65030a6a)
1 /*
2  * Copyright (c) 2018-2020 François Tigeot <ftigeot@wolfpond.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _LINUX_MM_TYPES_H_
28 #define _LINUX_MM_TYPES_H_
29 
30 #include <linux/types.h>
31 #include <linux/threads.h>
32 #include <linux/list.h>
33 #include <linux/spinlock.h>
34 #include <linux/rbtree.h>
35 #include <linux/rwsem.h>
36 #include <linux/completion.h>
37 #include <linux/cpumask.h>
38 #include <linux/workqueue.h>
39 #include <asm/page.h>
40 
41 #include <vm/vm_page.h>
42 
43 struct address_space;
44 
45 struct page {
46 	struct vm_page pa_vmpage;
47 };
48 
49 struct mm_struct {
50 	long	refs;
51 	struct lock mmap_sem;
52 	atomic_t mm_users;
53 	atomic_t mm_count;
54 };
55 
56 struct proc_struct {
57 	struct mm_struct *mm;
58 };
59 
60 struct vm_area_struct {
61 	vm_offset_t	vm_start;
62 	vm_offset_t	vm_end;
63 	vm_offset_t	vm_pgoff;
64 	vm_paddr_t	vm_pfn;		/* PFN For mmap. */
65 	vm_memattr_t	vm_page_prot;
66 	void		*vm_private_data;
67 	int		vm_flags;
68 	const struct vm_operations_struct *vm_ops;
69 	struct mm_struct *vm_mm;
70 };
71 
72 #endif	/* _LINUX_MM_TYPES_H_ */
73