usr/src/lib/fm/topo/modules/common/shared/topo_port.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright (c) 2017, Joyent, Inc.
  14  */
  15
  16 #include <sys/fm/protocol.h>
  17 #include <fm/topo_mod.h>
  18 #include <fm/topo_list.h>
  19 #include <fm/topo_method.h>
  20
  21 #include <topo_port.h>
  22
  23 /*
  24  * Common routines to create port entries in the topology tree.
  25  */
  26
  27 static const topo_pgroup_info_t port_pgroup = {
  28         TOPO_PGROUP_PORT,
  29         TOPO_STABILITY_PRIVATE,
  30         TOPO_STABILITY_PRIVATE,
  31         1
  32 };
  33
  34 int
  35 port_range_create(topo_mod_t *mod, tnode_t *pnode, topo_instance_t min,
  36     topo_instance_t max)
  37 {
  38         return (topo_node_range_create(mod, pnode, PORT, min, max));
  39 }
  40
  41 /*
  42  * Create a port node, specifying the type of port it is. This will create the
  43  * common port property group and populate it. The caller will need to populate
  44  * the port-specific property group as needed.
  45  */
  46 static tnode_t *
  47 port_create_common(topo_mod_t *mod, tnode_t *pnode, topo_instance_t inst,
  48     const char *type)
  49 {
  50         int err;
  51         tnode_t *tn = NULL;
  52         nvlist_t *fmri = NULL, *auth = NULL, *presource = NULL;
  53
  54         if (type == NULL) {
  55                 topo_mod_dprintf(mod, "port_create_common missing type "
  56                     "argument\n");
  57                 goto error;
  58         }
  59
  60         if ((auth = topo_mod_auth(mod, pnode)) == NULL) {
  61                 topo_mod_dprintf(mod, "topo_mod_auth() failed: %s\n",
  62                     topo_mod_errmsg(mod));
  63                 goto error;
  64         }
  65
  66         if ((fmri = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, PORT,
  67             inst, NULL, auth, NULL, NULL, NULL)) == NULL) {
  68                 topo_mod_dprintf(mod, "topo_mod_hcfmri() failed: %s\n",
  69                     topo_mod_errmsg(mod));
  70                 goto error;
  71         }
  72
  73         if ((tn = topo_node_bind(mod, pnode, PORT, inst, fmri)) == NULL) {
  74                 topo_mod_dprintf(mod, "topo_node_bind() failed: %s\n",
  75                     topo_mod_errmsg(mod));
  76                 goto error;
  77         }
  78
  79         /*
  80          * The FRU is always set to the FMRI of the parent device for a port.
  81          */
  82         if (topo_node_resource(pnode, &presource, &err) != 0) {
  83                 topo_mod_dprintf(mod, "topo_node_resource() failed: %s\n",
  84                     topo_strerror(err));
  85                 goto error;
  86         }
  87
  88         if (topo_node_fru_set(tn, presource, 0, &err) != 0) {
  89                 topo_mod_dprintf(mod, "topo_node_fru_set() failed: %s\n",
  90                     topo_strerror(err));
  91                 goto error;
  92         }
  93
  94         if (topo_pgroup_create(tn, &port_pgroup, &err) != 0) {
  95                 topo_mod_dprintf(mod, "failed to create property group %s: "
  96                     "%s\n", TOPO_PGROUP_PORT, topo_strerror(err));
  97                 goto error;
  98         }
  99
 100         if (topo_prop_set_string(tn, TOPO_PGROUP_PORT, TOPO_PROP_PORT_TYPE,
 101             TOPO_PROP_IMMUTABLE, type, &err) != 0) {
 102                 topo_mod_dprintf(mod, "failed to set %s property: %s\n",
 103                     TOPO_PROP_PORT_TYPE, topo_strerror(err));
 104                 goto error;
 105         }
 106
 107         nvlist_free(fmri);
 108         nvlist_free(auth);
 109         nvlist_free(presource);
 110         return (tn);
 111 error:
 112         topo_node_unbind(tn);
 113         nvlist_free(fmri);
 114         nvlist_free(auth);
 115         nvlist_free(presource);
 116         return (NULL);
 117 }
 118
 119 int
 120 port_create_sff(topo_mod_t *mod, tnode_t *pnode, topo_instance_t inst,
 121     tnode_t **nodep)
 122 {
 123         tnode_t *tn;
 124
 125         tn = port_create_common(mod, pnode, inst, TOPO_PROP_PORT_TYPE_SFF);
 126         if (tn == NULL)
 127                 return (-1);
 128         *nodep = tn;
 129         return (0);
 130 }