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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _TOPO_MODULE_H
#define _TOPO_MODULE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <fm/topo_mod.h>
#include <topo_list.h>
#include <topo_tree.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct topo_imodops {
int (*mop_init)(struct topo_mod *, topo_version_t version);
int (*mop_fini)(struct topo_mod *);
} topo_imodops_t;
#define TOPO_HASH_BUCKETS 3
struct topo_modhash {
pthread_mutex_t mh_lock; /* hash lock */
struct topo_mod **mh_hash; /* hash bucket array */
uint_t mh_hashlen; /* size of hash bucket array */
uint_t mh_nelems; /* number of modules in hash */
};
typedef struct topo_imod_info {
char *tmi_desc; /* module description */
char *tmi_scheme; /* enumeration scheme-type */
topo_version_t tmi_version; /* module version */
topo_modops_t *tmi_ops; /* module ops vector */
} topo_imodinfo_t;
struct topo_mod {
pthread_mutex_t tm_lock; /* Lock for tm_cv/owner/flags/refs */
pthread_cond_t tm_cv; /* Module condition variable */
uint_t tm_busy; /* Busy indicator */
struct topo_mod *tm_next; /* Next module in hash chain */
topo_hdl_t *tm_hdl; /* Topo handle for this module */
topo_alloc_t *tm_alloc; /* Allocators */
char *tm_name; /* Basename of module */
char *tm_path; /* Full pathname of module file */
char *tm_rootdir; /* Relative root directory of module */
void *tm_priv; /* Module private data */
uint_t tm_refs; /* Module reference count */
uint_t tm_flags; /* Miscellaneous flags (see below) */
uint_t tm_debug; /* Debug printf mask */
void *tm_data; /* Private rtld/builtin data */
topo_imodops_t *tm_mops; /* Module class ops vector */
topo_imodinfo_t *tm_info; /* Module info registered with handle */
int tm_errno; /* Module error */
};
#define TOPO_MOD_INIT 0x001 /* Module init completed */
#define TOPO_MOD_FINI 0x002 /* Module fini completed */
#define TOPO_MOD_REG 0x004 /* topo_modinfo_t registered */
#define TOPO_MOD_UNREG 0x008 /* Module unregistered */
extern const topo_imodops_t topo_rtld_ops;
extern void topo_mod_enter(topo_mod_t *);
extern void topo_mod_exit(topo_mod_t *);
extern void topo_mod_hold(topo_mod_t *);
extern void topo_mod_rele(topo_mod_t *);
extern topo_modhash_t *topo_modhash_create(topo_hdl_t *);
extern void topo_modhash_destroy(topo_hdl_t *);
extern topo_mod_t *topo_modhash_lookup(topo_modhash_t *, const char *);
extern topo_mod_t *topo_modhash_load(topo_hdl_t *, const char *, const char *,
const topo_imodops_t *, topo_version_t);
extern void topo_modhash_unload(topo_mod_t *);
extern void topo_modhash_unload_all(topo_hdl_t *);
extern void topo_mod_release(topo_mod_t *, tnode_t *);
extern topo_mod_t *topo_mod_lookup(topo_hdl_t *, const char *, int);
#ifdef __cplusplus
}
#endif
#endif /* _TOPO_MODULE_H */
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