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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 
  28 
  29 /*
  30  * This file implements the _init(9e), _info(9e) and _fini(9e) functions.
  31  */
  32 
  33 #include <sys/ib/mgt/ibmf/ibmf_impl.h>
  34 
  35 /* Module Info */
  36 static struct modlmisc ibmf_modlmisc = {
  37         &mod_miscops,
  38         "IB Agent Interfaces 2.0"
  39 };
  40 
  41 /* Module linkage */
  42 static struct modlinkage ibmf_modlinkage = {
  43         MODREV_1,
  44         {   &ibmf_modlmisc,
  45             NULL }
  46 };
  47 
  48 static ibmf_state_t             ibmf_state;
  49 ibmf_state_t                    *ibmf_statep;
  50 
  51 extern int ibmf_init();
  52 extern int ibmf_fini();
  53 extern int ibmf_saa_impl_init();
  54 extern int ibmf_saa_impl_fini();
  55 
  56 #ifndef NPROBE
  57 extern int tnf_mod_load(void);
  58 extern int tnf_mod_unload(struct modlinkage *mlp);
  59 #endif
  60 
  61 int
  62 _init()
  63 {
  64         int status;
  65 
  66         /* CONSTCOND */
  67         ASSERT(NO_COMPETING_THREADS);
  68 
  69 #ifndef NPROBE
  70         (void) tnf_mod_load();
  71 #endif
  72         ibmf_statep = &ibmf_state;
  73 
  74         /*
  75          * call ibmf_saa_init first so it can set up subnet list before being
  76          * contacted with ibt_async events
  77          */
  78         status = ibmf_saa_impl_init();
  79         if (status != IBMF_SUCCESS) {
  80                 TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
  81                     "ibmf_saa_impl_init failed");
  82 
  83 #ifndef NPROBE
  84                 (void) tnf_mod_unload(&ibmf_modlinkage);
  85 #endif
  86                 return (EACCES);
  87         }
  88 
  89 
  90 
  91         status = ibmf_init();
  92         if (status != 0) {
  93                 TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
  94                     "ibmf_init failed");
  95 
  96                 (void) ibmf_saa_impl_fini();
  97 
  98 #ifndef NPROBE
  99                 (void) tnf_mod_unload(&ibmf_modlinkage);
 100 #endif
 101                 return (EACCES);
 102         }
 103 
 104         status = mod_install(&ibmf_modlinkage);
 105         if (status != 0) {
 106                 TNF_PROBE_2(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
 107                     "mod_install failed", tnf_uint, status, status);
 108 #ifndef NPROBE
 109                 (void) tnf_mod_unload(&ibmf_modlinkage);
 110 #endif
 111                 (void) ibmf_fini();
 112                 ibmf_statep = (ibmf_state_t *)NULL;
 113         }
 114 
 115         return (status);
 116 }
 117 
 118 int
 119 _info(struct modinfo *modinfop)
 120 {
 121         return (mod_info(&ibmf_modlinkage, modinfop));
 122 }
 123 
 124 int
 125 _fini()
 126 {
 127         int status;
 128         status = mod_remove(&ibmf_modlinkage);
 129         if (status != 0) {
 130                 TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
 131                     "mod_remove failed", tnf_uint, status, status);
 132                 return (status);
 133         }
 134 
 135         status = ibmf_saa_impl_fini();
 136         if (status != 0) {
 137 
 138                 TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
 139                     "ibmf_saa fini failed", tnf_uint, status, status);
 140                 return (status);
 141         }
 142 
 143         (void) ibmf_fini();
 144         ibmf_statep = (ibmf_state_t *)NULL;
 145 #ifndef NPROBE
 146         (void) tnf_mod_unload(&ibmf_modlinkage);
 147 #endif
 148         return (status);
 149 }