usr/src/uts/common/sys/errorq.h

   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 */