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 2007 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 <regex.h> 29 #include <devfsadm.h> 30 #include <stdio.h> 31 #include <strings.h> 32 #include <stdlib.h> 33 #include <limits.h> 34 #include <sys/privcmd_impl.h> 35 #include <sys/domcaps_impl.h> 36 #include <sys/balloon.h> 37 38 /* 39 * Handle miscellaneous children of xendev 40 */ 41 static int devxen(di_minor_t, di_node_t); 42 43 static devfsadm_create_t xen_cbt[] = { 44 { "xendev", DDI_PSEUDO, "xenbus", 45 TYPE_EXACT | DRV_EXACT, ILEVEL_0, devxen, 46 }, 47 { "xendev", DDI_PSEUDO, PRIVCMD_DRIVER_NAME, 48 TYPE_EXACT | DRV_EXACT, ILEVEL_0, devxen, 49 }, 50 { "xendev", DDI_PSEUDO, "evtchn", 51 TYPE_EXACT | DRV_EXACT, ILEVEL_0, devxen, 52 }, 53 { "xendev", DDI_PSEUDO, DOMCAPS_DRIVER_NAME, 54 TYPE_EXACT | DRV_EXACT, ILEVEL_0, devxen, 55 }, 56 { "xendev", DDI_PSEUDO, BALLOON_DRIVER_NAME, 57 TYPE_EXACT | DRV_EXACT, ILEVEL_0, devxen, 58 }, 59 }; 60 61 DEVFSADM_CREATE_INIT_V0(xen_cbt); 62 63 static devfsadm_remove_t xen_remove_cbt[] = { 64 { "xendev", "^" "xen/xenbus" "$", RM_ALWAYS | RM_PRE | RM_HOT, 65 ILEVEL_0, devfsadm_rm_all 66 }, 67 { "xendev", "^" PRIVCMD_PATHNAME "$", RM_ALWAYS | RM_PRE | RM_HOT, 68 ILEVEL_0, devfsadm_rm_all 69 }, 70 { "xendev", "^" "xen/evtchn" "$", RM_ALWAYS | RM_PRE | RM_HOT, 71 ILEVEL_0, devfsadm_rm_all 72 }, 73 { "xendev", "^" DOMCAPS_PATHNAME "$", RM_ALWAYS | RM_PRE | RM_HOT, 74 ILEVEL_0, devfsadm_rm_all 75 }, 76 { "xendev", "^" BALLOON_PATHNAME "$", RM_ALWAYS | RM_PRE | RM_HOT, 77 ILEVEL_0, devfsadm_rm_all 78 }, 79 }; 80 81 DEVFSADM_REMOVE_INIT_V0(xen_remove_cbt); 82 83 /* 84 * /dev/xen/<foo> -> /devices/xendev/<whatever>:<foo> 85 */ 86 static int 87 devxen(di_minor_t minor, di_node_t node) 88 { 89 char buf[256]; 90 91 (void) snprintf(buf, sizeof (buf), "xen/%s", di_minor_name(minor)); 92 (void) devfsadm_mklink(buf, node, minor, 0); 93 94 return (DEVFSADM_CONTINUE); 95 } 96