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*5084Sjohnlev * Common Development and Distribution License (the "License"). 6*5084Sjohnlev * 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*5084Sjohnlev * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 270Sstevel@tonic-gate /* All Rights Reserved */ 280Sstevel@tonic-gate 290Sstevel@tonic-gate /* 300Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 310Sstevel@tonic-gate * The Regents of the University of California 320Sstevel@tonic-gate * All Rights Reserved 330Sstevel@tonic-gate * 340Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 350Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 360Sstevel@tonic-gate * contributors. 370Sstevel@tonic-gate */ 380Sstevel@tonic-gate 390Sstevel@tonic-gate #ifndef _VM_FAULTCODE_H 400Sstevel@tonic-gate #define _VM_FAULTCODE_H 410Sstevel@tonic-gate 420Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 430Sstevel@tonic-gate 440Sstevel@tonic-gate #ifdef __cplusplus 450Sstevel@tonic-gate extern "C" { 460Sstevel@tonic-gate #endif 470Sstevel@tonic-gate 480Sstevel@tonic-gate /* 490Sstevel@tonic-gate * This file describes the data type returned by vm routines 500Sstevel@tonic-gate * which handle faults. 510Sstevel@tonic-gate * 520Sstevel@tonic-gate * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value 530Sstevel@tonic-gate * returned by the underlying object mapped at the fault address. 540Sstevel@tonic-gate */ 550Sstevel@tonic-gate #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ 560Sstevel@tonic-gate #define FC_ALIGN 0x2 /* hardware alignment error */ 570Sstevel@tonic-gate #define FC_OBJERR 0x3 /* underlying object returned errno value */ 580Sstevel@tonic-gate #define FC_PROT 0x4 /* access exceeded current protections */ 590Sstevel@tonic-gate #define FC_NOMAP 0x5 /* no mapping at the fault address */ 600Sstevel@tonic-gate #define FC_NOSUPPORT 0x6 /* operation not supported by driver */ 610Sstevel@tonic-gate 620Sstevel@tonic-gate #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) 630Sstevel@tonic-gate 640Sstevel@tonic-gate #define FC_CODE(fc) ((fc) & 0xff) 650Sstevel@tonic-gate #define FC_ERRNO(fc) ((unsigned)(fc) >> 8) 660Sstevel@tonic-gate 670Sstevel@tonic-gate #ifndef _ASM 680Sstevel@tonic-gate typedef int faultcode_t; /* type returned by vm fault routines */ 69*5084Sjohnlev 70*5084Sjohnlev extern int fc_decode(faultcode_t); 71*5084Sjohnlev 720Sstevel@tonic-gate #endif /* _ASM */ 730Sstevel@tonic-gate 740Sstevel@tonic-gate #ifdef __cplusplus 750Sstevel@tonic-gate } 760Sstevel@tonic-gate #endif 770Sstevel@tonic-gate 780Sstevel@tonic-gate #endif /* _VM_FAULTCODE_H */ 79