usr/src/cmd/devfsadm/vscan_link.c

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #include <devfsadm.h>
  29 #include <strings.h>
  30 #include <stdio.h>
  31 #include <sys/vscan.h>
  32
  33 static int vscan(di_minor_t minor, di_node_t node);
  34
  35 static devfsadm_create_t vscan_create_cbt[] = {
  36         { "pseudo", "ddi_pseudo", "vscan",
  37             TYPE_EXACT | DRV_EXACT, ILEVEL_0, vscan },
  38 };
  39 DEVFSADM_CREATE_INIT_V0(vscan_create_cbt);
  40
  41 static devfsadm_remove_t vscan_remove_cbt[] = {
  42         { "vscan", "^vscan/vscan[0-9]+$", RM_HOT | RM_POST,
  43                 ILEVEL_0, devfsadm_rm_all
  44         }
  45 };
  46 DEVFSADM_REMOVE_INIT_V0(vscan_remove_cbt);
  47
  48 static int
  49 vscan(di_minor_t minor, di_node_t node)
  50 {
  51         char *mname = di_minor_name(minor);
  52         char path[MAXPATHLEN];
  53
  54         (void) snprintf(path, sizeof (path), "vscan/%s", mname);
  55         (void) devfsadm_mklink(path, node, minor, 0);
  56
  57         return (DEVFSADM_CONTINUE);
  58 }