1 /* 2 * Copyright (c) 2006 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 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 * 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 16 * distribution. 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. 20 * 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 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sys/sys/vmspace.h,v 1.6 2007/01/08 03:33:43 dillon Exp $ 35 */ 36 /* 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. 40 */ 41 42 #ifndef _SYS_VMSPACE_H_ 43 #define _SYS_VMSPACE_H_ 44 45 #ifndef _SYS_TYPES_H_ 46 #include <sys/types.h> 47 #endif 48 49 struct trapframe; 50 struct vextframe; 51 52 #define VMSPACE_CTL_RUN 1 53 54 #define VMSPACE_PAGEFAULT 1 55 #define VMSPACE_TIMEOUT 2 56 #define VMSPACE_TRAP 3 57 #define VMSPACE_SYSCALL 4 58 59 int vmspace_create(void *, int, void *); 60 int vmspace_destroy(void *); 61 int vmspace_ctl (void *, int, struct trapframe *, struct vextframe *); 62 63 void *vmspace_mmap(void *, void *, size_t, int, int, int, off_t); 64 int vmspace_munmap(void *, void *, size_t); 65 int vmspace_mcontrol(void *, void *, size_t, int, off_t); 66 ssize_t vmspace_pread(void *, void *, size_t, int, off_t); 67 ssize_t vmspace_pwrite(void *, const void *, size_t, int, off_t); 68 69 #endif 70 71