xfp.c revision ee5416c9d7e449233197d5d20bc6b81e4ff091b2
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <string.h>
#include <fm/topo_mod.h>
#include <fm/topo_hc.h>
#include <sys/fm/protocol.h>
/*
* xfp.c
* sun4v specific xfp enumerators
*/
#ifdef __cplusplus
extern "C" {
#endif
#define XFP_VERSION TOPO_VERSION
static int xfp_enum(topo_mod_t *, tnode_t *, const char *, topo_instance_t,
topo_instance_t, void *, void *);
static const topo_modops_t xfp_ops =
{ xfp_enum, NULL };
const topo_modinfo_t xfp_info =
{XFP, FM_FMRI_SCHEME_HC, XFP_VERSION, &xfp_ops};
static const topo_pgroup_info_t xfp_auth_pgroup = {
FM_FMRI_AUTHORITY,
TOPO_STABILITY_PRIVATE,
TOPO_STABILITY_PRIVATE,
1
};
/*ARGSUSED*/
void
_topo_init(topo_mod_t *mod, topo_version_t version)
{
/*
* Turn on module debugging output
*/
if (getenv("TOPOXFPDBG") != NULL)
topo_mod_setdebug(mod);
topo_mod_dprintf(mod, "initializing xfp enumerator\n");
if (topo_mod_register(mod, &xfp_info, TOPO_VERSION) < 0) {
topo_mod_dprintf(mod, "xfp registration failed: %s\n",
topo_mod_errmsg(mod));
return; /* mod errno already set */
}
topo_mod_dprintf(mod, "xfp enum initd\n");
}
void
_topo_fini(topo_mod_t *mod)
{
topo_mod_unregister(mod);
}
static tnode_t *
xfp_tnode_create(topo_mod_t *mod, tnode_t *parent,
const char *name, topo_instance_t i, void *priv)
{
int err;
nvlist_t *fmri;
tnode_t *ntn;
nvlist_t *auth = topo_mod_auth(mod, parent);
fmri = topo_mod_hcfmri(mod, parent, FM_HC_SCHEME_VERSION, name, i,
NULL, auth, NULL, NULL, NULL);
nvlist_free(auth);
if (fmri == NULL) {
topo_mod_dprintf(mod,
"Unable to make nvlist for %s bind: %s.\n",
name, topo_mod_errmsg(mod));
return (NULL);
}
ntn = topo_node_bind(mod, parent, name, i, fmri);
nvlist_free(fmri);
if (ntn == NULL) {
topo_mod_dprintf(mod,
"topo_node_bind (%s%d/%s%d) failed: %s\n",
topo_node_name(parent), topo_node_instance(parent),
name, i,
topo_strerror(topo_mod_errno(mod)));
return (NULL);
}
topo_node_setspecific(ntn, priv);
if (topo_pgroup_create(ntn, &xfp_auth_pgroup, &err) == 0) {
(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
FM_FMRI_AUTH_PRODUCT, &err);
(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
FM_FMRI_AUTH_CHASSIS, &err);
(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
FM_FMRI_AUTH_SERVER, &err);
}
return (ntn);
}
static int
xfp_fru_set(topo_mod_t *mp, tnode_t *tn)
{
nvlist_t *fmri;
int err, e;
if (topo_node_resource(tn, &fmri, &err) < 0 ||
fmri == NULL) {
topo_mod_dprintf(mp, "FRU_fmri_set error: %s\n",
topo_strerror(topo_mod_errno(mp)));
return (topo_mod_seterrno(mp, err));
}
e = topo_node_fru_set(tn, fmri, 0, &err);
nvlist_free(fmri);
if (e < 0)
return (topo_mod_seterrno(mp, err));
return (0);
}
static int
xfp_label_set(topo_mod_t *mod, tnode_t *parent, tnode_t *node,
topo_instance_t n)
{
char *label = NULL;
char *plabel = NULL;
const char *xfplabel = "/XFP";
int err, len;
if (topo_node_label(parent, &plabel, &err) != 0 ||
plabel == NULL) {
return (-1);
}
len = strlen(plabel) + strlen(xfplabel) + 2;
label = topo_mod_alloc(mod, len);
(void) snprintf(label, len, "%s%s%d", plabel, xfplabel, n);
topo_mod_strfree(mod, plabel);
if (label != NULL) {
if (topo_prop_set_string(node, TOPO_PGROUP_PROTOCOL,
TOPO_PROP_LABEL, TOPO_PROP_IMMUTABLE, label,
&err) != 0) {
topo_mod_strfree(mod, label);
return (topo_mod_seterrno(mod, err));
}
}
topo_mod_free(mod, label, len);
return (0);
}
/*ARGSUSED*/
static tnode_t *
xfp_declare(tnode_t *parent, const char *name, topo_instance_t i,
void *priv, topo_mod_t *mod)
{
tnode_t *ntn;
nvlist_t *fmri = NULL;
int e;
if ((ntn = xfp_tnode_create(mod, parent, name, i, NULL)) == NULL) {
topo_mod_dprintf(mod, "%s ntn = NULL\n", name);
return (NULL);
}
(void) xfp_fru_set(mod, ntn);
(void) xfp_label_set(mod, parent, ntn, i);
/* set ASRU to resource fmri */
if (topo_prop_get_fmri(ntn, TOPO_PGROUP_PROTOCOL,
TOPO_PROP_RESOURCE, &fmri, &e) == 0)
(void) topo_node_asru_set(ntn, fmri, 0, &e);
nvlist_free(fmri);
return (ntn);
}
/*ARGSUSED*/
static int
xfp_enum(topo_mod_t *mod, tnode_t *rnode, const char *name,
topo_instance_t min, topo_instance_t max, void *notused, void *data)
{
if (strcmp(name, XFP) != 0) {
topo_mod_dprintf(mod,
"Currently only know how to enumerate %s components.\n",
XFP);
return (0);
}
if (xfp_declare(rnode, name, min, data, mod) == NULL)
return (-1);
return (0);
}