2 * Copyright (c) 2006 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sys/sys/vmspace.h,v 1.2 2006/09/17 21:09:39 dillon Exp $
37 * VMSPACE - Virtualized Environment control from user mode. The VMSPACE
38 * subsystem allows a user mode application, such as a user-mode DragonFly
39 * kernel, to create, manipulate, and execute code in a separate VM context.
42 #ifndef _SYS_VMSPACE_H_
43 #define _SYS_VMSPACE_H_
46 #include <sys/types.h>
49 #define VMSPACE_CTL_VKERNEL 1
50 #define VMSPACE_CTL_CREATE 2
51 #define VMSPACE_CTL_DESTROY 3
52 #define VMSPACE_CTL_RUN 4
54 #define VMSPACE_PAGEFAULT 1
55 #define VMSPACE_TIMEOUT 2
56 #define VMSPACE_TRAP 3
57 #define VMSPACE_SYSCALL 4
61 int vmspace_ctl(void *id, void *ctx, int what);
62 int vmspace_map(void *id, off_t offset, void *ptr, int bytes, int prot);
63 int vmspace_protect(void *id, off_t offset, int bytes, int prot);
64 int vmspace_read(void *id, void *ptr, int bytes);
65 int vmspace_write(void *id, const void *ptr, int bytes);