usr/src/cmd/fm/schemes/svc/scheme.c

   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 #include <fm/fmd_fmri.h>
  28 #include <fm/libtopo.h>
  29 #include <fm/topo_mod.h>
  30 #include <string.h>
  31 #include <sys/fm/protocol.h>
  32
  33 int
  34 fmd_fmri_init(void)
  35 {
  36         return (0);
  37 }
  38
  39 void
  40 fmd_fmri_fini(void)
  41 {
  42 }
  43
  44 ssize_t
  45 fmd_fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen)
  46 {
  47         int err;
  48         ssize_t len;
  49         topo_hdl_t *thp;
  50         char *str;
  51
  52         if ((thp = fmd_fmri_topo_hold(TOPO_VERSION)) == NULL)
  53                 return (fmd_fmri_set_errno(EINVAL));
  54
  55         if (topo_fmri_nvl2str(thp, nvl, &str, &err) != 0) {
  56                 fmd_fmri_topo_rele(thp);
  57                 return (fmd_fmri_set_errno(EINVAL));
  58         }
  59
  60         if (buf != NULL)
  61                 len = snprintf(buf, buflen, "%s", str);
  62         else
  63                 len = strlen(str);
  64
  65         topo_hdl_strfree(thp, str);
  66         fmd_fmri_topo_rele(thp);
  67
  68         return (len);
  69 }
  70
  71 /*ARGSUSED*/
  72 int
  73 fmd_fmri_present(nvlist_t *nvl)
  74 {
  75         uint8_t version;
  76         int err, present;
  77         topo_hdl_t *thp;
  78
  79         if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 ||
  80             version > FM_SVC_SCHEME_VERSION)
  81                 return (fmd_fmri_set_errno(EINVAL));
  82
  83         if ((thp = fmd_fmri_topo_hold(TOPO_VERSION)) == NULL)
  84                 return (fmd_fmri_set_errno(EINVAL));
  85         present = topo_fmri_present(thp, nvl, &err);
  86         fmd_fmri_topo_rele(thp);
  87
  88         return (present);
  89 }
  90
  91 int
  92 fmd_fmri_replaced(nvlist_t *nvl)
  93 {
  94         uint8_t version;
  95         int err, replaced;
  96         topo_hdl_t *thp;
  97
  98         if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 ||
  99             version > FM_SVC_SCHEME_VERSION)
 100                 return (fmd_fmri_set_errno(EINVAL));
 101
 102         if ((thp = fmd_fmri_topo_hold(TOPO_VERSION)) == NULL)
 103                 return (fmd_fmri_set_errno(EINVAL));
 104         replaced = topo_fmri_replaced(thp, nvl, &err);
 105         fmd_fmri_topo_rele(thp);
 106
 107         return (replaced);
 108 }
 109
 110 int
 111 fmd_fmri_service_state(nvlist_t *nvl)
 112 {
 113         uint8_t version;
 114         int err, service_state;
 115         topo_hdl_t *thp;
 116
 117         if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 ||
 118             version > FM_DEV_SCHEME_VERSION)
 119                 return (fmd_fmri_set_errno(EINVAL));
 120
 121         if ((thp = fmd_fmri_topo_hold(TOPO_VERSION)) == NULL)
 122                 return (fmd_fmri_set_errno(EINVAL));
 123         err = 0;
 124         service_state = topo_fmri_service_state(thp, nvl, &err);
 125         fmd_fmri_topo_rele(thp);
 126
 127         if (err != 0)
 128                 return (FMD_SERVICE_STATE_UNKNOWN);
 129         else
 130                 return (service_state);
 131 }
 132
 133 /*ARGSUSED*/
 134 int
 135 fmd_fmri_unusable(nvlist_t *nvl)
 136 {
 137         uint8_t version;
 138         int err, unusable;
 139         topo_hdl_t *thp;
 140
 141         if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 ||
 142             version > FM_SVC_SCHEME_VERSION)
 143                 return (fmd_fmri_set_errno(EINVAL));
 144
 145         if ((thp = fmd_fmri_topo_hold(TOPO_VERSION)) == NULL)
 146                 return (fmd_fmri_set_errno(EINVAL));
 147         unusable = topo_fmri_unusable(thp, nvl, &err);
 148         fmd_fmri_topo_rele(thp);
 149
 150         return (unusable == 1 ? 1 : 0);
 151 }