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authorstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
committerstevel@tonic-gate <none@none>2005-06-14 00:00:00 -0700
commit7c478bd95313f5f23a4c958a745db2134aa03244 (patch)
treec871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/uts/common/vm/faultcode.h
downloadillumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz
OpenSolaris Launch
Diffstat (limited to 'usr/src/uts/common/vm/faultcode.h')
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diff --git a/usr/src/uts/common/vm/faultcode.h b/usr/src/uts/common/vm/faultcode.h
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+/*
+ * 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 */