sys/geom/mountver/g_mountver.h

   1 /*-
   2  * Copyright (c) 2010 Edward Tomasz Napierala <trasz@FreeBSD.org>
   3  * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD$
  28  */
  29
  30 #ifndef _G_MOUNTVER_H_
  31 #define _G_MOUNTVER_H_
  32
  33 #define G_MOUNTVER_CLASS_NAME   "MOUNTVER"
  34 #define G_MOUNTVER_VERSION      4
  35 #define G_MOUNTVER_SUFFIX       ".mountver"
  36
  37 #ifdef _KERNEL
  38
  39 #define G_MOUNTVER_DEBUG(lvl, ...)      do {                            \
  40         if (g_mountver_debug >= (lvl)) {                                \
  41                 printf("GEOM_MOUNTVER");                                \
  42                 if (g_mountver_debug > 0)                               \
  43                         printf("[%u]", lvl);                            \
  44                 printf(": ");                                           \
  45                 printf(__VA_ARGS__);                                    \
  46                 printf("\n");                                           \
  47         }                                                               \
  48 } while (0)
  49 #define G_MOUNTVER_LOGREQ(bp, ...)      do {                            \
  50         if (g_mountver_debug >= 2) {                                    \
  51                 printf("GEOM_MOUNTVER[2]: ");                           \
  52                 printf(__VA_ARGS__);                                    \
  53                 printf(" ");                                            \
  54                 g_print_bio(bp);                                        \
  55                 printf("\n");                                           \
  56         }                                                               \
  57 } while (0)
  58
  59 struct g_mountver_softc {
  60         TAILQ_HEAD(, bio)               sc_queue;
  61         struct mtx                      sc_mtx;
  62         char                            *sc_provider_name;
  63         char                            sc_ident[DISK_IDENT_SIZE];
  64         int                             sc_orphaned;
  65         int                             sc_access_r;
  66         int                             sc_access_w;
  67         int                             sc_access_e;
  68 };
  69 #endif  /* _KERNEL */
  70
  71 #endif  /* _G_MOUNTVER_H_ */