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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * basic declarations for implementation of the share management 29 * libraries. 30 */ 31 32 #ifndef _LIBSHARE_IMPL_H 33 #define _LIBSHARE_IMPL_H 34 35 #include <libshare.h> 36 #include <libscf.h> 37 #include <scfutil.h> 38 #include <libzfs.h> 39 #include <sharefs/share.h> 40 #include <sharefs/sharetab.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* directory to find plugin modules in */ 47 #define SA_LIB_DIR "/usr/lib/fs" 48 49 /* default group name for dfstab file */ 50 #define SA_DEFAULT_FILE_GRP "sys" 51 52 typedef void *sa_phandle_t; 53 54 #define SA_PLUGIN_VERSION 1 55 struct sa_plugin_ops { 56 int sa_version; /* version number */ 57 char *sa_protocol; /* protocol name */ 58 int (*sa_init)(); 59 void (*sa_fini)(); 60 int (*sa_share)(sa_share_t); /* start sharing */ 61 int (*sa_unshare)(sa_share_t, char *); /* stop sharing */ 62 int (*sa_valid_prop)(sa_handle_t, sa_property_t, 63 sa_optionset_t); /* validate */ 64 int (*sa_valid_space)(char *); /* is name valid optionspace? */ 65 int (*sa_security_prop)(char *); /* property is security */ 66 int (*sa_legacy_opts)(sa_group_t, char *); /* parse legacy opts */ 67 char *(*sa_legacy_format)(sa_group_t, int); 68 int (*sa_set_proto_prop)(sa_property_t); /* set a property */ 69 sa_protocol_properties_t (*sa_get_proto_set)(); /* get properties */ 70 char *(*sa_get_proto_status)(); 71 char *(*sa_space_alias)(char *); 72 int (*sa_update_legacy)(sa_share_t); 73 int (*sa_delete_legacy)(sa_share_t); 74 int (*sa_change_notify)(sa_share_t); 75 int (*sa_enable_resource)(sa_resource_t); 76 int (*sa_disable_resource)(sa_resource_t); 77 uint64_t (*sa_features)(void); 78 int (*sa_get_transient_shares)(sa_handle_t); /* add transients */ 79 int (*sa_notify_resource)(sa_resource_t); 80 int (*sa_rename_resource)(sa_handle_t, sa_resource_t, char *); 81 int (*sa_run_command)(int, int, char **); /* proto specific */ 82 int (*sa_command_help)(); 83 int (*sa_delete_proto_section)(char *); 84 }; 85 86 struct sa_proto_handle { 87 int sa_num_proto; 88 char **sa_proto; 89 struct sa_plugin_ops **sa_ops; 90 }; 91 92 typedef struct propertylist { 93 struct propertylist *pl_next; 94 int pl_type; 95 union propval { 96 sa_optionset_t pl_optionset; 97 sa_security_t pl_security; 98 void *pl_void; 99 } pl_value; 100 } property_list_t; 101 102 /* internal version of sa_handle_t */ 103 typedef struct sa_handle_impl { 104 uint64_t flags; 105 scfutilhandle_t *scfhandle; 106 libzfs_handle_t *zfs_libhandle; 107 zfs_handle_t **zfs_list; 108 size_t zfs_list_count; 109 xmlNodePtr tree; 110 xmlDocPtr doc; 111 uint64_t tssharetab; 112 uint64_t tstrans; 113 } *sa_handle_impl_t; 114 115 extern int sa_proto_share(char *, sa_share_t); 116 extern int sa_proto_unshare(sa_share_t, char *, char *); 117 extern int sa_proto_valid_prop(sa_handle_t, char *, sa_property_t, 118 sa_optionset_t); 119 extern int sa_proto_security_prop(char *, char *); 120 extern int sa_proto_legacy_opts(char *, sa_group_t, char *); 121 extern int sa_proto_share_resource(char *, sa_resource_t); 122 extern int sa_proto_unshare_resource(char *, sa_resource_t); 123 124 /* internal utility functions */ 125 extern sa_optionset_t sa_get_derived_optionset(sa_group_t, char *, int); 126 extern void sa_free_derived_optionset(sa_optionset_t); 127 extern sa_optionset_t sa_get_all_security_types(void *, char *, int); 128 extern sa_security_t sa_get_derived_security(void *, char *, char *, int); 129 extern void sa_free_derived_security(sa_security_t); 130 extern sa_protocol_properties_t sa_create_protocol_properties(char *); 131 extern int sa_start_transaction(scfutilhandle_t *, char *); 132 extern int sa_end_transaction(scfutilhandle_t *, sa_handle_impl_t); 133 extern void sa_abort_transaction(scfutilhandle_t *); 134 extern int sa_commit_share(scfutilhandle_t *, sa_group_t, sa_share_t); 135 extern int sa_set_property(scfutilhandle_t *, char *, char *); 136 extern void sa_free_fstype(char *fstyp); 137 extern int sa_delete_share(scfutilhandle_t *, sa_group_t, sa_share_t); 138 extern int sa_delete_instance(scfutilhandle_t *, char *); 139 extern int sa_create_pgroup(scfutilhandle_t *, char *); 140 extern int sa_delete_pgroup(scfutilhandle_t *, char *); 141 extern void sa_fillshare(sa_share_t share, char *proto, struct share *sh); 142 extern void sa_emptyshare(struct share *sh); 143 144 /* ZFS functions */ 145 extern int sa_get_zfs_shares(sa_handle_t, char *); 146 extern int sa_zfs_update(sa_share_t); 147 extern int sa_share_zfs(sa_share_t, sa_resource_t, char *, share_t *, 148 void *, zfs_share_op_t); 149 extern int sa_sharetab_fill_zfs(sa_share_t share, struct share *sh, 150 char *proto); 151 152 /* plugin specific functions */ 153 extern int proto_plugin_init(); 154 extern void proto_plugin_fini(); 155 extern int sa_proto_set_property(char *, sa_property_t); 156 extern int sa_proto_delete_legacy(char *, sa_share_t); 157 extern int sa_proto_update_legacy(char *, sa_share_t); 158 extern int sa_proto_rename_resource(sa_handle_t, char *, 159 sa_resource_t, char *); 160 161 #define PL_TYPE_PROPERTY 0 162 #define PL_TYPE_SECURITY 1 163 164 /* values only used by the internal dfstab/sharetab parser */ 165 #define SA_SHARE_PARSER 0x1000 166 167 /* plugin handler only */ 168 struct sa_proto_plugin { 169 struct sa_proto_plugin *plugin_next; 170 struct sa_plugin_ops *plugin_ops; 171 void *plugin_handle; 172 }; 173 174 #define TSTAMP(tm) (uint64_t)(((uint64_t)tm.tv_sec << 32) | \ 175 (tm.tv_nsec & 0xffffffff)) 176 177 178 #ifdef __cplusplus 179 } 180 #endif 181 182 #endif /* _LIBSHARE_IMPL_H */ 183