1 /* 2 * Copyright (c) 2003,2004 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/platform/pc64/include/pmap_inval.h,v 1.2 2007/09/24 03:24:45 yanyh Exp $ 35 */ 36 37 #ifndef _MACHINE_PMAP_INVAL_H_ 38 #define _MACHINE_PMAP_INVAL_H_ 39 40 #ifndef _SYS_THREAD_H_ 41 #include <sys/thread.h> 42 #endif 43 44 typedef struct pmap_inval_info { 45 int pir_flags; 46 vm_offset_t pir_va; 47 struct lwkt_cpusync pir_cpusync; 48 } pmap_inval_info; 49 50 typedef pmap_inval_info *pmap_inval_info_t; 51 52 #define PIRF_INVLTLB 0x0001 /* request invalidation of whole table */ 53 #define PIRF_INVL1PG 0x0002 /* else request invalidation of one page */ 54 #define PIRF_CPUSYNC 0x0004 /* cpusync is currently active */ 55 #define PIRF_QUICK 0x0008 /* quick (deinterlock only) */ 56 57 #ifdef _KERNEL 58 59 #ifndef _MACHINE_PMAP_H_ 60 #include <machine/pmap.h> 61 #endif 62 63 void pmap_inval_init(pmap_inval_info_t); 64 void pmap_inval_interlock(pmap_inval_info_t, pmap_t, vm_offset_t); 65 void pmap_inval_invltlb(pmap_inval_info_t); 66 void pmap_inval_deinterlock(pmap_inval_info_t, pmap_t); 67 void pmap_inval_done(pmap_inval_info_t); 68 69 #endif 70 71 #endif 72