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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Fake cmdk module. Prevents the real cmdk driver from loading in 29 * a xen HVM domain so that xdf may operate instead. 30 */ 31 32 #include <sys/sunddi.h> 33 #include <sys/errno.h> 34 #include <sys/modctl.h> 35 36 /*ARGSUSED*/ 37 static int 38 stubattach(dev_info_t *dip, ddi_attach_cmd_t cmd) 39 { 40 return (DDI_SUCCESS); 41 } 42 43 /*ARGSUSED*/ 44 static int 45 stubdetach(dev_info_t *dip, ddi_detach_cmd_t cmd) 46 { 47 return (DDI_SUCCESS); 48 } 49 50 static struct dev_ops stub_ops = { 51 DEVO_REV, 52 0, 53 NULL, 54 nulldev, 55 nulldev, 56 stubattach, 57 stubdetach, 58 nodev, 59 NULL, 60 NULL, 61 NULL, 62 ddi_quiesce_not_needed 63 }; 64 65 static struct modldrv modldrv = { 66 &mod_driverops, 67 "xVM cmdk stub", 68 &stub_ops 69 }; 70 71 static struct modlinkage modlinkage = { 72 MODREV_1, (void *)&modldrv, NULL 73 }; 74 75 int 76 _init(void) 77 { 78 return (mod_install(&modlinkage)); 79 } 80 81 int 82 _info(struct modinfo *modinfop) 83 { 84 return (mod_info(&modlinkage, modinfop)); 85 } 86 87 int 88 _fini(void) 89 { 90 return (EBUSY); 91 } 92