2 * Copyright (c) 2003 Matthew Dillon <dillon@backplane.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $DragonFly: src/sys/platform/pc32/include/pmap_inval.h,v 1.1 2004/02/17 19:38:54 dillon Exp $
29 #ifndef _MACHINE_PMAP_INVAL_H_
30 #define _MACHINE_PMAP_INVAL_H_
32 typedef struct pmap_inval_info {
34 struct lwkt_cpusync pir_cpusync;
37 typedef pmap_inval_info *pmap_inval_info_t;
39 #define PIRF_INVLTLB 0x0001 /* request invalidation of whole table */
40 #define PIRF_INVL1PG 0x0002 /* else request invalidation of one page */
41 #define PIRF_CPUSYNC 0x0004 /* cpusync is currently active */
45 void pmap_inval_init(pmap_inval_info_t);
46 void pmap_inval_add(pmap_inval_info_t, pmap_t, vm_offset_t);
47 void pmap_inval_flush(pmap_inval_info_t);