1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*681d9761SEric Taylor * Common Development and Distribution License (the "License"). 6*681d9761SEric Taylor * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22*681d9761SEric Taylor * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <regex.h> 27fa9e4066Sahrens #include <devfsadm.h> 28fa9e4066Sahrens #include <stdio.h> 29fa9e4066Sahrens #include <strings.h> 30fa9e4066Sahrens #include <stdlib.h> 31fa9e4066Sahrens #include <limits.h> 32fa9e4066Sahrens #include <sys/mkdev.h> 33fa9e4066Sahrens #include <sys/fs/zfs.h> 34fa9e4066Sahrens 35*681d9761SEric Taylor /* zfs name info */ 36fa9e4066Sahrens 37fa9e4066Sahrens static int zfs(di_minor_t minor, di_node_t node); 38fa9e4066Sahrens 39fa9e4066Sahrens /* 40fa9e4066Sahrens * devfs create callback register 41fa9e4066Sahrens */ 42fa9e4066Sahrens static devfsadm_create_t zfs_create_cbt[] = { 43fa9e4066Sahrens { "pseudo", "ddi_pseudo", ZFS_DRIVER, 44fa9e4066Sahrens TYPE_EXACT | DRV_EXACT, ILEVEL_0, zfs, 45fa9e4066Sahrens }, 46fa9e4066Sahrens }; 47fa9e4066Sahrens DEVFSADM_CREATE_INIT_V0(zfs_create_cbt); 48fa9e4066Sahrens 49fa9e4066Sahrens /* 50*681d9761SEric Taylor * The zfs control node looks like this: 51fa9e4066Sahrens * /dev/zfs -> /devices/pseudo/zfs@0:zfs 52fa9e4066Sahrens */ 53fa9e4066Sahrens static int 54fa9e4066Sahrens zfs(di_minor_t minor, di_node_t node) 55fa9e4066Sahrens { 56fa9e4066Sahrens char mn[MAXNAMELEN + 1]; 57fa9e4066Sahrens 58fa9e4066Sahrens (void) strcpy(mn, di_minor_name(minor)); 59fa9e4066Sahrens 60fa9e4066Sahrens if (strcmp(mn, ZFS_DRIVER) == 0) { 61fa9e4066Sahrens (void) devfsadm_mklink(ZFS_DRIVER, node, minor, 0); 62fa9e4066Sahrens } 63fa9e4066Sahrens return (DEVFSADM_CONTINUE); 64fa9e4066Sahrens } 65