xref: /onnv-gate/usr/src/uts/common/sys/errorq.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_ERRORQ_H
28*0Sstevel@tonic-gate #define	_ERRORQ_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <sys/time.h>
34*0Sstevel@tonic-gate #include <sys/nvpair.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	__cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate typedef struct errorq errorq_t;
41*0Sstevel@tonic-gate typedef struct errorq_elem errorq_elem_t;
42*0Sstevel@tonic-gate typedef void (*errorq_func_t)(void *, const void *, const errorq_elem_t *);
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate /*
45*0Sstevel@tonic-gate  * Public flags for errorq_create(): bit range 0-15
46*0Sstevel@tonic-gate  */
47*0Sstevel@tonic-gate #define	ERRORQ_VITAL	0x0001	/* drain queue automatically on system reset */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate /*
50*0Sstevel@tonic-gate  * Public flags for errorq_dispatch():
51*0Sstevel@tonic-gate  */
52*0Sstevel@tonic-gate #define	ERRORQ_ASYNC	0	/* schedule async queue drain for caller */
53*0Sstevel@tonic-gate #define	ERRORQ_SYNC	1	/* do not schedule drain; caller will drain */
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate #ifdef	_KERNEL
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate extern errorq_t *errorq_create(const char *, errorq_func_t, void *,
58*0Sstevel@tonic-gate     ulong_t, size_t, uint_t, uint_t);
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate extern errorq_t *errorq_nvcreate(const char *, errorq_func_t, void *,
61*0Sstevel@tonic-gate     ulong_t, size_t, uint_t, uint_t);
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate extern void errorq_destroy(errorq_t *);
64*0Sstevel@tonic-gate extern void errorq_dispatch(errorq_t *, const void *, size_t, uint_t);
65*0Sstevel@tonic-gate extern void errorq_drain(errorq_t *);
66*0Sstevel@tonic-gate extern void errorq_init(void);
67*0Sstevel@tonic-gate extern void errorq_panic(void);
68*0Sstevel@tonic-gate extern errorq_elem_t *errorq_reserve(errorq_t *);
69*0Sstevel@tonic-gate extern void errorq_commit(errorq_t *, errorq_elem_t *, uint_t);
70*0Sstevel@tonic-gate extern void errorq_cancel(errorq_t *, errorq_elem_t *);
71*0Sstevel@tonic-gate extern nvlist_t *errorq_elem_nvl(errorq_t *, const errorq_elem_t *);
72*0Sstevel@tonic-gate extern nv_alloc_t *errorq_elem_nva(errorq_t *, const errorq_elem_t *);
73*0Sstevel@tonic-gate extern void *errorq_elem_dup(errorq_t *, const errorq_elem_t *,
74*0Sstevel@tonic-gate     errorq_elem_t **);
75*0Sstevel@tonic-gate extern void errorq_dump();
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate #endif	/* _KERNEL */
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate #ifdef	__cplusplus
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate #endif
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #endif	/* _ERRORQ_H */
84