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_REQUEST_H 28 #define _LAYOUT_REQUEST_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 #include "volume_dlist.h" 39 #include "volume_defaults.h" 40 #include "volume_devconfig.h" 41 42 /* XXX these are really in layout.c */ 43 extern int string_case_compare(char *str1, char *str2); 44 extern int add_modified_disk(devconfig_t *request, dm_descriptor_t diskx); 45 extern int add_to_hsp_list(dlist_t *devices); 46 47 extern int release_request_caches(); 48 49 extern int set_request_diskset(char *disksset); 50 extern char *get_request_diskset(); 51 extern void unset_request_diskset(); 52 53 extern int set_toplevel_request(devconfig_t *request); 54 extern void unset_toplevel_request(); 55 56 extern int set_request_defaults(defaults_t *defaults); 57 extern void unset_request_defaults(); 58 59 extern int get_device_access_name( 60 devconfig_t *request, 61 dm_descriptor_t desc, 62 char **name); 63 64 /* 65 * get list of HBAs, disks or slices that are available 66 * to satisfy the given request 67 */ 68 extern int slice_is_available( 69 char *name, 70 devconfig_t *request, 71 boolean_t *bool); 72 73 extern int disks_get_avail_slices( 74 devconfig_t *request, 75 dlist_t *disks, 76 dlist_t **slices); 77 78 extern int select_hbas_with_n_disks( 79 devconfig_t *request, 80 dlist_t *hbas, 81 int mindisks, 82 dlist_t **selhbas, 83 dlist_t **seldisks); 84 85 extern int hba_get_avail_disks_and_space( 86 devconfig_t *request, 87 dm_descriptor_t hba, 88 dlist_t **list, 89 uint64_t *space); 90 91 /* 92 * get lists of HBAs and disks that are used by volumes 93 */ 94 extern int get_hbas_and_disks_used_by_volumes( 95 dlist_t *volumes, 96 dlist_t **hbas, 97 dlist_t **disks); 98 99 extern int get_hbas_and_disks_used_by_volume( 100 devconfig_t *volume, 101 dlist_t **hbas, 102 dlist_t **disks); 103 104 /* 105 * accessors to get user-settable device parameters, 106 * values come from either the request or the diskset 107 * or global defaults 108 */ 109 extern int get_stripe_min_comp( 110 devconfig_t *request, 111 uint16_t *val); 112 113 extern int get_stripe_max_comp( 114 devconfig_t *request, 115 uint16_t *val); 116 117 extern int get_stripe_interlace( 118 devconfig_t *request, 119 uint64_t *val); 120 121 extern int get_mirror_read_strategy( 122 devconfig_t *request, 123 mirror_read_strategy_t *val); 124 125 extern int get_mirror_write_strategy( 126 devconfig_t *request, 127 mirror_write_strategy_t *val); 128 129 extern int get_mirror_pass( 130 devconfig_t *request, 131 uint16_t *val); 132 133 extern int get_mirror_nsubs( 134 devconfig_t *request, 135 uint16_t *val); 136 137 extern int get_volume_faultrecov( 138 devconfig_t *request, 139 boolean_t *val); 140 141 extern int get_volume_redundancy_level( 142 devconfig_t *request, 143 uint16_t *val); 144 145 extern int get_volume_npaths( 146 devconfig_t *request, 147 uint16_t *val); 148 149 extern int get_default_hsp_name( 150 devconfig_t *req, 151 char **name); 152 153 extern int get_disks_for_target( 154 char *name, 155 dlist_t **disks); 156 157 #ifdef __cplusplus 158 } 159 #endif 160 161 #endif /* _LAYOUT_REQUEST_H */ 162