1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27*0Sstevel@tonic-gate /* All Rights Reserved */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 31*0Sstevel@tonic-gate * under license from the Regents of the University of California. 32*0Sstevel@tonic-gate */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifndef _VM_SEG_ENUM_H 35*0Sstevel@tonic-gate #define _VM_SEG_ENUM_H 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #ifdef __cplusplus 40*0Sstevel@tonic-gate extern "C" { 41*0Sstevel@tonic-gate #endif 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * These enumerations are needed in both <vm/seg.h> and 45*0Sstevel@tonic-gate * <sys/vnode.h> in order to declare function prototypes. 46*0Sstevel@tonic-gate */ 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate /* 49*0Sstevel@tonic-gate * Fault information passed to the seg fault handling routine. 50*0Sstevel@tonic-gate * The F_SOFTLOCK and F_SOFTUNLOCK are used by software 51*0Sstevel@tonic-gate * to lock and unlock pages for physical I/O. 52*0Sstevel@tonic-gate */ 53*0Sstevel@tonic-gate enum fault_type { 54*0Sstevel@tonic-gate F_INVAL, /* invalid page */ 55*0Sstevel@tonic-gate F_PROT, /* protection fault */ 56*0Sstevel@tonic-gate F_SOFTLOCK, /* software requested locking */ 57*0Sstevel@tonic-gate F_SOFTUNLOCK /* software requested unlocking */ 58*0Sstevel@tonic-gate }; 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate /* 61*0Sstevel@tonic-gate * Lock information passed to the seg pagelock handling routine. 62*0Sstevel@tonic-gate */ 63*0Sstevel@tonic-gate enum lock_type { 64*0Sstevel@tonic-gate L_PAGELOCK, /* lock pages */ 65*0Sstevel@tonic-gate L_PAGEUNLOCK, /* unlock pages */ 66*0Sstevel@tonic-gate L_PAGERECLAIM /* reclaim pages */ 67*0Sstevel@tonic-gate }; 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate /* 70*0Sstevel@tonic-gate * seg_rw gives the access type for a fault operation 71*0Sstevel@tonic-gate */ 72*0Sstevel@tonic-gate enum seg_rw { 73*0Sstevel@tonic-gate S_OTHER, /* unknown or not touched */ 74*0Sstevel@tonic-gate S_READ, /* read access attempted */ 75*0Sstevel@tonic-gate S_WRITE, /* write access attempted */ 76*0Sstevel@tonic-gate S_EXEC, /* execution access attempted */ 77*0Sstevel@tonic-gate S_CREATE, /* create if page doesn't exist */ 78*0Sstevel@tonic-gate S_READ_NOCOW /* read access, don't do a copy on write */ 79*0Sstevel@tonic-gate }; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #ifdef __cplusplus 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate #endif 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #endif /* _VM_SEG_ENUM_H */ 86