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 #include <sys/types.h>
  31 #include <sys/time.h>
  32 #include <sys/nvpair.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 typedef struct errorq errorq_t;
  39 typedef struct errorq_elem errorq_elem_t;
  40 typedef void (*errorq_func_t)(void *, const void *, const errorq_elem_t *);
  41
  42 /*
  43  * Public flags for errorq_create(): bit range 0-15
  44  */
  45 #define ERRORQ_VITAL    0x0001  /* drain queue automatically on system reset */
  46
  47 /*
  48  * Public flags for errorq_dispatch():
  49  */
  50 #define ERRORQ_ASYNC    0       /* schedule async queue drain for caller */
  51 #define ERRORQ_SYNC     1       /* do not schedule drain; caller will drain */
  52
  53 #ifdef  _KERNEL
  54
  55 extern errorq_t *errorq_create(const char *, errorq_func_t, void *,
  56     ulong_t, size_t, uint_t, uint_t);
  57
  58 extern errorq_t *errorq_nvcreate(const char *, errorq_func_t, void *,
  59     ulong_t, size_t, uint_t, uint_t);
  60
  61 extern void errorq_destroy(errorq_t *);
  62 extern void errorq_dispatch(errorq_t *, const void *, size_t, uint_t);
  63 extern void errorq_drain(errorq_t *);
  64 extern void errorq_init(void);
  65 extern void errorq_panic(void);
  66 extern errorq_elem_t *errorq_reserve(errorq_t *);
  67 extern void errorq_commit(errorq_t *, errorq_elem_t *, uint_t);
  68 extern void errorq_cancel(errorq_t *, errorq_elem_t *);
  69 extern nvlist_t *errorq_elem_nvl(errorq_t *, const errorq_elem_t *);
  70 extern nv_alloc_t *errorq_elem_nva(errorq_t *, const errorq_elem_t *);
  71 extern void *errorq_elem_dup(errorq_t *, const errorq_elem_t *,
  72     errorq_elem_t **);
  73 extern void errorq_dump();
  74
  75 #endif  /* _KERNEL */
  76
  77 #ifdef  __cplusplus
  78 }
  79 #endif
  80
  81 #endif  /* _ERRORQ_H */