1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1992 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #ifndef _VM_FAULTCODE_H 41 #define _VM_FAULTCODE_H 42 43 #pragma ident "%Z%%M% %I% %E% SMI" 44 45 #ifdef __cplusplus 46 extern "C" { 47 #endif 48 49 /* 50 * This file describes the data type returned by vm routines 51 * which handle faults. 52 * 53 * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value 54 * returned by the underlying object mapped at the fault address. 55 */ 56 #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ 57 #define FC_ALIGN 0x2 /* hardware alignment error */ 58 #define FC_OBJERR 0x3 /* underlying object returned errno value */ 59 #define FC_PROT 0x4 /* access exceeded current protections */ 60 #define FC_NOMAP 0x5 /* no mapping at the fault address */ 61 #define FC_NOSUPPORT 0x6 /* operation not supported by driver */ 62 63 #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) 64 65 #define FC_CODE(fc) ((fc) & 0xff) 66 #define FC_ERRNO(fc) ((unsigned)(fc) >> 8) 67 68 #ifndef _ASM 69 typedef int faultcode_t; /* type returned by vm fault routines */ 70 #endif /* _ASM */ 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* _VM_FAULTCODE_H */ 77