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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 (c) 1999-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* s1394.c
* 1394 Services Layer Initialization and Cleanup Routines
* The routines do all initialization and cleanup for the Sevices Layer
*/
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/types.h>
#include <sys/kmem.h>
#include <sys/tnf_probe.h>
#include <sys/1394/t1394.h>
#include <sys/1394/s1394.h>
#include <sys/1394/h1394.h>
/* Driver State Pointer */
s1394_state_t *s1394_statep;
/* Module Driver Info */
static struct modlmisc s1394_modlmisc = {
&mod_miscops,
"IEEE 1394 Services Library 1.0"
};
/* Module Linkage */
static struct modlinkage s1394_modlinkage = {
MODREV_1,
&s1394_modlmisc,
NULL
};
static int s1394_init();
static void s1394_fini();
#ifndef NPROBE
extern int tnf_mod_load(void);
extern int tnf_mod_unload(struct modlinkage *mlp);
#endif
int
_init()
{
int status;
#ifndef NPROBE
(void) tnf_mod_load();
#endif
status = s1394_init();
if (status != 0) {
TNF_PROBE_1(_init_error, S1394_TNF_SL_ERROR, "",
tnf_string, msg, "s1394: failed in s1394_init");
#ifndef NPROBE
(void) tnf_mod_unload(&s1394_modlinkage);
#endif
return (status);
}
status = mod_install(&s1394_modlinkage);
if (status != 0) {
TNF_PROBE_1(_init_error, S1394_TNF_SL_ERROR, "",
tnf_string, msg, "s1394: failed in mod_install");
#ifndef NPROBE
(void) tnf_mod_unload(&s1394_modlinkage);
#endif
}
return (status);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&s1394_modlinkage, modinfop));
}
int
_fini()
{
int status;
status = mod_remove(&s1394_modlinkage);
if (status != 0) {
TNF_PROBE_1(_fini_error, S1394_TNF_SL_ERROR, "",
tnf_string, msg, "s1394: failed in mod_remove");
return (status);
}
s1394_fini();
#ifndef NPROBE
(void) tnf_mod_unload(&s1394_modlinkage);
#endif
return (status);
}
/*
* s1394_init()
* initializes the 1394 Software Framework's structures, i.e. the HAL list
* and associated mutex.
*/
static int
s1394_init()
{
TNF_PROBE_0_DEBUG(s1394_init_enter, S1394_TNF_SL_STACK, "");
s1394_statep = kmem_zalloc(sizeof (s1394_state_t), KM_SLEEP);
s1394_statep->hal_head = NULL;
s1394_statep->hal_tail = NULL;
mutex_init(&s1394_statep->hal_list_mutex, NULL, MUTEX_DRIVER, NULL);
TNF_PROBE_0_DEBUG(s1394_init_exit, S1394_TNF_SL_STACK, "");
return (0);
}
/*
* s1394_fini()
* cleans up the 1394 Software Framework's structures that were allocated
* in s1394_init().
*/
static void
s1394_fini()
{
TNF_PROBE_0_DEBUG(s1394_fini_enter, S1394_TNF_SL_STACK, "");
mutex_destroy(&s1394_statep->hal_list_mutex);
kmem_free(s1394_statep, sizeof (s1394_state_t));
TNF_PROBE_0_DEBUG(s1394_fini_exit, S1394_TNF_SL_STACK, "");
}
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