sys/rump/dev/lib/libcgd/component.c

   1 /*      $NetBSD: component.c,v 1.3 2009/12/01 09:04:21 pooka Exp $      */
   2
   3 /*
   4  * Copyright (c) 2009 Antti Kantee.  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 AUTHOR ``AS IS'' AND ANY EXPRESS
  16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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 OR
  21  * 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
  28 #include <sys/cdefs.h>
  29 __KERNEL_RCSID(0, "$NetBSD: component.c,v 1.3 2009/12/01 09:04:21 pooka Exp $");
  30
  31 #include <sys/param.h>
  32 #include <sys/conf.h>
  33 #include <sys/device.h>
  34 #include <sys/stat.h>
  35
  36 #include "rump_dev_private.h"
  37 #include "rump_vfs_private.h"
  38
  39 void cgdattach(int);
  40
  41 void
  42 rump_dev_cgd_init()
  43 {
  44         extern const struct bdevsw cgd_bdevsw;
  45         extern const struct cdevsw cgd_cdevsw;
  46         devmajor_t bmaj, cmaj;
  47         int error;
  48
  49         /* go, mydevfs */
  50         bmaj = cmaj = -1;
  51
  52         if ((error = devsw_attach("/dev/cgd0", &cgd_bdevsw, &bmaj,
  53             &cgd_cdevsw, &cmaj)) != 0)
  54                 panic("cannot attach cgd: %d", error);
  55
  56         if ((error = rump_vfs_makedevnodes(S_IFBLK, "cgd0", 'a',
  57             bmaj, 0, 7)) != 0)
  58                 panic("cannot create cooked cgd dev nodes: %d", error);
  59         if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/rcgd0", 'a',
  60             cmaj, 0, 7)) != 0)
  61                 panic("cannot create raw cgd dev nodes: %d", error);
  62
  63         rump_pdev_add(cgdattach, 4);
  64 }