errorq.h revision 302408 
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 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_ERRORQ_H
28#define	_ERRORQ_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include <sys/types.h>
33#include <sys/time.h>
34#include <sys/nvpair.h>
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40typedef struct errorq errorq_t;
41typedef struct errorq_elem errorq_elem_t;
42typedef void (*errorq_func_t)(void *, const void *, const errorq_elem_t *);
43
44/*
45 * Public flags for errorq_create(): bit range 0-15
46 */
47#define	ERRORQ_VITAL	0x0001	/* drain queue automatically on system reset */
48
49/*
50 * Public flags for errorq_dispatch():
51 */
52#define	ERRORQ_ASYNC	0	/* schedule async queue drain for caller */
53#define	ERRORQ_SYNC	1	/* do not schedule drain; caller will drain */
54
55#ifdef	_KERNEL
56
57extern errorq_t *errorq_create(const char *, errorq_func_t, void *,
58    ulong_t, size_t, uint_t, uint_t);
59
60extern errorq_t *errorq_nvcreate(const char *, errorq_func_t, void *,
61    ulong_t, size_t, uint_t, uint_t);
62
63extern void errorq_destroy(errorq_t *);
64extern void errorq_dispatch(errorq_t *, const void *, size_t, uint_t);
65extern void errorq_drain(errorq_t *);
66extern void errorq_init(void);
67extern void errorq_panic(void);
68extern errorq_elem_t *errorq_reserve(errorq_t *);
69extern void errorq_commit(errorq_t *, errorq_elem_t *, uint_t);
70extern void errorq_cancel(errorq_t *, errorq_elem_t *);
71extern nvlist_t *errorq_elem_nvl(errorq_t *, const errorq_elem_t *);
72extern nv_alloc_t *errorq_elem_nva(errorq_t *, const errorq_elem_t *);
73extern void *errorq_elem_dup(errorq_t *, const errorq_elem_t *,
74    errorq_elem_t **);
75extern void errorq_dump();
76
77#endif	/* _KERNEL */
78
79#ifdef	__cplusplus
80}
81#endif
82
83#endif	/* _ERRORQ_H */
84