xref: /illumos-gate/usr/src/uts/common/vm/seg_umap.h (revision dcdeca0a948b9d3139743db085d193c9db8ff2a3)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2018 Joyent, Inc.
14  */
15 
16 #ifndef	_VM_SEG_UMAP_H
17 #define	_VM_SEG_UMAP_H
18 
19 #ifdef	__cplusplus
20 extern "C" {
21 #endif
22 
23 typedef struct segumap_crargs {
24 	caddr_t	kaddr;
25 	uchar_t	prot;		/* protection */
26 	uchar_t	maxprot;	/* maximum protection */
27 } segumap_crargs_t;
28 
29 typedef struct segumap_data {
30 	krwlock_t	sud_lock;
31 	caddr_t		sud_kaddr;
32 	uchar_t		sud_prot;
33 	size_t		sud_softlockcnt;
34 } segumap_data_t;
35 
36 extern int segumap_create(struct seg **, void *);
37 
38 #ifdef	__cplusplus
39 }
40 #endif
41 
42 #endif	/* _VM_SEG_UMAP_H */
43