10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*6695Saguzovsk * Common Development and Distribution License (the "License"). 6*6695Saguzovsk * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*6695Saguzovsk * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 260Sstevel@tonic-gate /* All Rights Reserved */ 270Sstevel@tonic-gate 280Sstevel@tonic-gate /* 290Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 300Sstevel@tonic-gate * under license from the Regents of the University of California. 310Sstevel@tonic-gate */ 320Sstevel@tonic-gate 330Sstevel@tonic-gate #ifndef _VM_SEG_ENUM_H 340Sstevel@tonic-gate #define _VM_SEG_ENUM_H 350Sstevel@tonic-gate 360Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 370Sstevel@tonic-gate 380Sstevel@tonic-gate #ifdef __cplusplus 390Sstevel@tonic-gate extern "C" { 400Sstevel@tonic-gate #endif 410Sstevel@tonic-gate 420Sstevel@tonic-gate /* 430Sstevel@tonic-gate * These enumerations are needed in both <vm/seg.h> and 440Sstevel@tonic-gate * <sys/vnode.h> in order to declare function prototypes. 450Sstevel@tonic-gate */ 460Sstevel@tonic-gate 470Sstevel@tonic-gate /* 480Sstevel@tonic-gate * Fault information passed to the seg fault handling routine. 490Sstevel@tonic-gate * The F_SOFTLOCK and F_SOFTUNLOCK are used by software 500Sstevel@tonic-gate * to lock and unlock pages for physical I/O. 510Sstevel@tonic-gate */ 520Sstevel@tonic-gate enum fault_type { 530Sstevel@tonic-gate F_INVAL, /* invalid page */ 540Sstevel@tonic-gate F_PROT, /* protection fault */ 550Sstevel@tonic-gate F_SOFTLOCK, /* software requested locking */ 560Sstevel@tonic-gate F_SOFTUNLOCK /* software requested unlocking */ 570Sstevel@tonic-gate }; 580Sstevel@tonic-gate 590Sstevel@tonic-gate /* 600Sstevel@tonic-gate * Lock information passed to the seg pagelock handling routine. 610Sstevel@tonic-gate */ 620Sstevel@tonic-gate enum lock_type { 630Sstevel@tonic-gate L_PAGELOCK, /* lock pages */ 64*6695Saguzovsk L_PAGEUNLOCK /* unlock pages */ 650Sstevel@tonic-gate }; 660Sstevel@tonic-gate 670Sstevel@tonic-gate /* 680Sstevel@tonic-gate * seg_rw gives the access type for a fault operation 690Sstevel@tonic-gate */ 700Sstevel@tonic-gate enum seg_rw { 710Sstevel@tonic-gate S_OTHER, /* unknown or not touched */ 720Sstevel@tonic-gate S_READ, /* read access attempted */ 730Sstevel@tonic-gate S_WRITE, /* write access attempted */ 740Sstevel@tonic-gate S_EXEC, /* execution access attempted */ 750Sstevel@tonic-gate S_CREATE, /* create if page doesn't exist */ 760Sstevel@tonic-gate S_READ_NOCOW /* read access, don't do a copy on write */ 770Sstevel@tonic-gate }; 780Sstevel@tonic-gate 79670Selowe /* 80670Selowe * Capabilities for capability segment op. 81670Selowe */ 82670Selowe typedef enum { 83670Selowe S_CAPABILITY_NOMINFLT /* supports non-faulting page renaming */ 84670Selowe } segcapability_t; 85670Selowe 860Sstevel@tonic-gate #ifdef __cplusplus 870Sstevel@tonic-gate } 880Sstevel@tonic-gate #endif 890Sstevel@tonic-gate 900Sstevel@tonic-gate #endif /* _VM_SEG_ENUM_H */ 91