/*
 * 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 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#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*/
int
_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 (-1); /* mod errno already set */
        }
        topo_mod_dprintf(mod, "xfp enum initd\n");
        return (0);
}

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%" PRIu64 "/%s%" PRIu64 ") 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_PRODUCT_SN, &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);
}