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 #ifndef _TOPO_TREE_H 28 #define _TOPO_TREE_H 29 30 #include <fm/topo_mod.h> 31 32 #include <libipmi.h> 33 34 #include <topo_list.h> 35 #include <topo_prop.h> 36 #include <topo_method.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 typedef struct topo_modhash topo_modhash_t; 43 44 typedef struct topo_range { 45 topo_instance_t tr_min; 46 topo_instance_t tr_max; 47 } topo_range_t; 48 49 typedef struct topo_nodehash { 50 topo_list_t th_list; /* next/prev pointers */ 51 tnode_t **th_nodearr; /* node array */ 52 uint_t th_arrlen; /* size of node array */ 53 char *th_name; /* name for all nodes in this hash */ 54 topo_mod_t *th_enum; /* enumerator module */ 55 topo_range_t th_range; /* instance ranges for nodes */ 56 } topo_nodehash_t; 57 58 struct topo_node { 59 pthread_mutex_t tn_lock; /* lock protecting members */ 60 char *tn_name; /* Node name */ 61 topo_instance_t tn_instance; /* Node instance */ 62 int tn_state; /* node state (see below) */ 63 int tn_fflags; /* fmri flags (see libtopo.h) */ 64 struct topo_node *tn_parent; /* Node parent */ 65 topo_nodehash_t *tn_phash; /* parent hash bucket for this node */ 66 topo_hdl_t *tn_hdl; /* topo handle pointer */ 67 topo_mod_t *tn_enum; /* Enumerator module */ 68 topo_list_t tn_children; /* hash table of child nodes */ 69 topo_list_t tn_pgroups; /* Property group list */ 70 topo_list_t tn_methods; /* Registered method list */ 71 void *tn_priv; /* Private enumerator data */ 72 int tn_refs; /* node reference count */ 73 }; 74 75 #define TOPO_NODE_INIT 0x0001 76 #define TOPO_NODE_ROOT 0x0002 77 #define TOPO_NODE_BOUND 0x0004 78 #define TOPO_NODE_LINKED 0x0008 79 80 typedef struct topo_tree { 81 topo_list_t tt_list; /* next/prev pointers */ 82 char *tt_scheme; /* scheme name */ 83 topo_mod_t *tt_mod; /* builtin enumerator mod */ 84 struct topo_node *tt_root; /* root node */ 85 topo_walk_t *tt_walk; /* private walker */ 86 } ttree_t; 87 88 struct topo_walk { 89 struct topo_hdl *tw_thp; /* Topo handle pointer */ 90 struct topo_node *tw_root; /* Root node of current walk */ 91 struct topo_node *tw_node; /* Current walker node */ 92 int (*tw_cb)(); /* Walker callback function */ 93 void *tw_pdata; /* Private callback data */ 94 topo_mod_t *tw_mod; /* module if walking from plugin */ 95 }; 96 97 typedef struct topo_alloc { 98 int ta_flags; 99 nv_alloc_t ta_nva; 100 nv_alloc_ops_t ta_nvops; 101 void *(*ta_alloc)(size_t, int); 102 void *(*ta_zalloc)(size_t, int); 103 void (*ta_free)(void *, size_t); 104 } topo_alloc_t; 105 106 struct topo_hdl { 107 pthread_mutex_t th_lock; /* lock protecting hdl */ 108 char *th_uuid; /* uuid of snapshot */ 109 char *th_rootdir; /* Root directory of plugin paths */ 110 char *th_platform; /* platform name */ 111 char *th_isa; /* isa name */ 112 char *th_machine; /* machine name */ 113 char *th_product; /* product name */ 114 di_node_t th_di; /* handle to root of devinfo tree */ 115 di_prom_handle_t th_pi; /* handle to root of prom tree */ 116 topo_modhash_t *th_modhash; /* Module hash */ 117 topo_list_t th_trees; /* Scheme-specific topo tree list */ 118 topo_alloc_t *th_alloc; /* allocators */ 119 int th_errno; /* errno */ 120 int th_debug; /* Debug mask */ 121 int th_dbout; /* Debug channel */ 122 ipmi_handle_t *th_ipmi; /* IPMI handle */ 123 pthread_mutex_t th_ipmi_lock; /* IPMI lock */ 124 smbios_hdl_t *th_smbios; /* SMBIOS handle */ 125 }; 126 127 #define TOPO_UUID_SIZE 37 /* libuuid limit + 1 */ 128 129 extern ttree_t *topo_tree_create(topo_hdl_t *, topo_mod_t *, const char *); 130 extern void topo_tree_destroy(ttree_t *); 131 extern int topo_tree_enum_all(topo_hdl_t *); 132 133 extern void topo_node_lock(tnode_t *); 134 extern void topo_node_unlock(tnode_t *); 135 extern void topo_node_hold(tnode_t *); 136 extern void topo_node_rele(tnode_t *); 137 extern tnode_t *topo_node_lookup(tnode_t *, const char *, topo_instance_t); 138 extern int topo_node_hash(topo_nodehash_t *, topo_instance_t); 139 140 extern int topo_walk_bottomup(topo_walk_t *, int); 141 extern topo_walk_t *topo_node_walk_init(topo_hdl_t *, topo_mod_t *, tnode_t *, 142 topo_walk_cb_t, void *, int *); 143 144 #ifdef __cplusplus 145 } 146 #endif 147 148 #endif /* _TOPO_TREE_H */ 149