mgt/ibmf/ibmf_mod.c

	ibmf_mod.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * 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 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * This file implements the _init(9e), _info(9e) and _fini(9e) functions.
 */

#include <sys/ib/mgt/ibmf/ibmf_impl.h>

/* Module Info */
static struct modlmisc ibmf_modlmisc = {
    &mod_miscops,
    "IB Agent Interfaces 2.0"
};

/* Module linkage */
static struct modlinkage ibmf_modlinkage = {
    MODREV_1,
    &ibmf_modlmisc,
    NULL
};

static ibmf_state_t     ibmf_state;
ibmf_state_t            *ibmf_statep;

extern int ibmf_init();
extern int ibmf_fini();
extern int ibmf_saa_impl_init();
extern int ibmf_saa_impl_fini();

#ifndef NPROBE
extern int tnf_mod_load(void);
extern int tnf_mod_unload(struct modlinkage *mlp);
#endif

int
_init()
{
    int status;

    /* CONSTCOND */
    ASSERT(NO_COMPETING_THREADS);

#ifndef NPROBE
    (void) tnf_mod_load();
#endif
    ibmf_statep = &ibmf_state;

    /*
     * call ibmf_saa_init first so it can set up subnet list before being
     * contacted with ibt_async events
     */
    status = ibmf_saa_impl_init();
    if (status != IBMF_SUCCESS) {
        TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
            "ibmf_saa_impl_init failed");

#ifndef NPROBE
        (void) tnf_mod_unload(&ibmf_modlinkage);
#endif
        return (EACCES);
    }


    status = ibmf_init();
    if (status != 0) {
        TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
            "ibmf_init failed");

        (void) ibmf_saa_impl_fini();

#ifndef NPROBE
        (void) tnf_mod_unload(&ibmf_modlinkage);
#endif
        return (EACCES);
    }

    status = mod_install(&ibmf_modlinkage);
    if (status != 0) {
        TNF_PROBE_2(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
            "mod_install failed", tnf_uint, status, status);
#ifndef NPROBE
        (void) tnf_mod_unload(&ibmf_modlinkage);
#endif
        (void) ibmf_fini();
        ibmf_statep = (ibmf_state_t *)NULL;
    }

    return (status);
}

int
_info(struct modinfo *modinfop)
{
    return (mod_info(&ibmf_modlinkage, modinfop));
}

int
_fini()
{
    int status;
    status = mod_remove(&ibmf_modlinkage);
    if (status != 0) {
        TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
            "mod_remove failed", tnf_uint, status, status);
        return (status);
    }

    status = ibmf_saa_impl_fini();
    if (status != 0) {

        TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
            "ibmf_saa fini failed", tnf_uint, status, status);
        return (status);
    }

    (void) ibmf_fini();
    ibmf_statep = (ibmf_state_t *)NULL;
#ifndef NPROBE
    (void) tnf_mod_unload(&ibmf_modlinkage);
#endif
    return (status);
}