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author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
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committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/uts/common/vm/faultcode.h | |
download | illumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz |
OpenSolaris Launch
Diffstat (limited to 'usr/src/uts/common/vm/faultcode.h')
-rw-r--r-- | usr/src/uts/common/vm/faultcode.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/usr/src/uts/common/vm/faultcode.h b/usr/src/uts/common/vm/faultcode.h new file mode 100644 index 0000000000..82f886e00f --- /dev/null +++ b/usr/src/uts/common/vm/faultcode.h @@ -0,0 +1,76 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 1992 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ + +#ifndef _VM_FAULTCODE_H +#define _VM_FAULTCODE_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This file describes the data type returned by vm routines + * which handle faults. + * + * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value + * returned by the underlying object mapped at the fault address. + */ +#define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ +#define FC_ALIGN 0x2 /* hardware alignment error */ +#define FC_OBJERR 0x3 /* underlying object returned errno value */ +#define FC_PROT 0x4 /* access exceeded current protections */ +#define FC_NOMAP 0x5 /* no mapping at the fault address */ +#define FC_NOSUPPORT 0x6 /* operation not supported by driver */ + +#define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) + +#define FC_CODE(fc) ((fc) & 0xff) +#define FC_ERRNO(fc) ((unsigned)(fc) >> 8) + +#ifndef _ASM +typedef int faultcode_t; /* type returned by vm fault routines */ +#endif /* _ASM */ + +#ifdef __cplusplus +} +#endif + +#endif /* _VM_FAULTCODE_H */ |