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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _LAYOUT_DISCOVERY_H 28 #define _LAYOUT_DISCOVERY_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include "libdiskmgt.h" 37 38 /* 39 * scan physical devices and build lists of known devices. 40 */ 41 extern int discover_known_devices(); 42 43 /* 44 * release lists of known devices. 45 */ 46 extern int release_known_devices(); 47 48 /* 49 * scan known devices and build lists of usable devices. 50 */ 51 extern int discover_usable_devices(char *diskset); 52 53 /* 54 * release lists of usable devices. 55 */ 56 extern int release_usable_devices(); 57 58 /* 59 * functions to access lists of known devices for the system, 60 * constructed by load_physical_devices 61 */ 62 extern int get_known_slices(dlist_t **list); 63 extern int get_known_disks(dlist_t **list); 64 extern int get_known_hbas(dlist_t **list); 65 66 /* 67 * functions to access lists of devices for the named diskset 68 * constructed by load_physical_devices 69 */ 70 extern int get_usable_slices(dlist_t **list); 71 extern int get_usable_disks(dlist_t **list); 72 extern int get_usable_hbas(dlist_t **list); 73 74 /* 75 * predicate indicating whether MPXIO appears enabled for the system 76 */ 77 extern boolean_t is_mpxio_enabled(); 78 79 /* 80 * functions that set/get a descriptor's multipath alias name(s). 81 */ 82 extern int get_aliases(dm_descriptor_t desc, dlist_t **aliases); 83 extern int set_alias(dm_descriptor_t desc, char *alias); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _LAYOUT_DISCOVERY_H */ 90