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      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
     37 extern "C" {
     38 #endif
     39 
     40 typedef struct errorq errorq_t;
     41 typedef struct errorq_elem errorq_elem_t;
     42 typedef 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 
     57 extern errorq_t *errorq_create(const char *, errorq_func_t, void *,
     58     ulong_t, size_t, uint_t, uint_t);
     59 
     60 extern errorq_t *errorq_nvcreate(const char *, errorq_func_t, void *,
     61     ulong_t, size_t, uint_t, uint_t);
     62 
     63 extern void errorq_destroy(errorq_t *);
     64 extern void errorq_dispatch(errorq_t *, const void *, size_t, uint_t);
     65 extern void errorq_drain(errorq_t *);
     66 extern void errorq_init(void);
     67 extern void errorq_panic(void);
     68 extern errorq_elem_t *errorq_reserve(errorq_t *);
     69 extern void errorq_commit(errorq_t *, errorq_elem_t *, uint_t);
     70 extern void errorq_cancel(errorq_t *, errorq_elem_t *);
     71 extern nvlist_t *errorq_elem_nvl(errorq_t *, const errorq_elem_t *);
     72 extern nv_alloc_t *errorq_elem_nva(errorq_t *, const errorq_elem_t *);
     73 extern void *errorq_elem_dup(errorq_t *, const errorq_elem_t *,
     74     errorq_elem_t **);
     75 extern void errorq_dump();
     76 
     77 #endif	/* _KERNEL */
     78 
     79 #ifdef	__cplusplus
     80 }
     81 #endif
     82 
     83 #endif	/* _ERRORQ_H */
     84