SUNW,SPARC-Enterprise/ioboard/opl_ioboard.c

	opl_ioboard.c revision 23a276b1252962c987a613be470dde26561247b8
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * CDDL HEADER START
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston *
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * The contents of this file are subject to the terms of the
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Common Development and Distribution License (the "License").
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * You may not use this file except in compliance with the License.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston *
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * or http://www.opensolaris.org/os/licensing.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * See the License for the specific language governing permissions
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * and limitations under the License.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston *
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * When distributing Covered Code, include this CDDL HEADER in each
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * If applicable, add the following below this CDDL HEADER, with the
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * fields enclosed by brackets "[]" replaced with your own identifying
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * information: Portions Copyright [yyyy] [name of copyright owner]
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston *
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * CDDL HEADER END
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Use is subject to license terms.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#pragma ident   "%Z%%M% %I% %E% SMI"
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * SUNW,OPL-Enterprise platform ioboard topology enumerator
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include <string.h>
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include <strings.h>
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include <libdevinfo.h>
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include <fm/topo_mod.h>
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include <sys/fm/protocol.h>
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#include "opl_topo.h"
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#define IOB_ENUMR_VERS  1
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#define FRUNAME     "iou"
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#define LABEL       FRUNAME "#%d"
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston#define IOBDFRU     "hc:///component=" LABEL
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonstatic int opl_iob_enum(topo_mod_t *hdl, tnode_t *parent, const char *name,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_instance_t imin, topo_instance_t imax, void *notused);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonconst topo_modinfo_t IobInfo = {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    IOBOARD,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    IOB_ENUMR_VERS,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    opl_iob_enum,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    NULL};
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonvoid
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston_topo_init(topo_mod_t *modhdl)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * Turn on module debugging output
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (getenv("TOPOIOBDBG") != NULL)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        topo_mod_setdebug(modhdl, TOPO_DBG_ALL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_mod_dprintf(modhdl, "initializing ioboard enumerator\n");
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_mod_register(modhdl, &IobInfo, NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonvoid
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston_topo_fini(topo_mod_t *modhdl)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_mod_unregister(modhdl);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Checks to see if there's a physical board number property on this
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * device node.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonstatic int
23a276b1252962c987a613be470dde26561247b8huestonopl_get_physical_board(di_node_t n, di_prom_handle_t opl_promtree)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    di_prom_prop_t pp = DI_PROM_PROP_NIL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    uchar_t *buf;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    int val;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
23a276b1252962c987a613be470dde26561247b8hueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    for (pp = di_prom_prop_next(opl_promtree, n, pp);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        pp != DI_PROM_PROP_NIL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        pp = di_prom_prop_next(opl_promtree, n, pp)) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (strcmp(di_prom_prop_name(pp), OPL_PHYSICAL_BD) == 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            if (di_prom_prop_data(pp, &buf) < sizeof (val))
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston                continue;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            bcopy(buf, &val, sizeof (val));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            return (val);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    return (-1);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Creates a map of logical boards to physical location.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonstatic void
23a276b1252962c987a613be470dde26561247b8huestonopl_map_boards(int lsb_to_psb[OPL_IOB_MAX], di_node_t opl_devtree,
23a276b1252962c987a613be470dde26561247b8hueston    di_prom_handle_t opl_promtree)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    di_node_t n;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    int i;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Initialize all entries to no mapping */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    for (i = 0; i < OPL_IOB_MAX; i++) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        lsb_to_psb[i] = i;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * Get LSB-to-PSB (logical-to-physical board) mapping by finding the
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * memory controller driver per LSB. The MC driver will have a
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * physical-board# property.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    for (n = di_drv_first_node(OPL_MC_DRV, opl_devtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        n != DI_NODE_NIL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        n = di_drv_next_node(n)) {
23a276b1252962c987a613be470dde26561247b8hueston        int a, lsb, psb;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        char *ba = di_bus_addr(n);
23a276b1252962c987a613be470dde26561247b8hueston        if (ba == NULL) {
23a276b1252962c987a613be470dde26561247b8hueston            /*
23a276b1252962c987a613be470dde26561247b8hueston             * di_bus_addr returned NULL. This can happen during
23a276b1252962c987a613be470dde26561247b8hueston             * DR attach/detach of the mc driver. Just skip this
23a276b1252962c987a613be470dde26561247b8hueston             * node for now.
23a276b1252962c987a613be470dde26561247b8hueston             */
23a276b1252962c987a613be470dde26561247b8hueston            continue;
23a276b1252962c987a613be470dde26561247b8hueston        }
23a276b1252962c987a613be470dde26561247b8hueston        a = OPL_MC_STR2BA(ba);
23a276b1252962c987a613be470dde26561247b8hueston        lsb = OPL_MC_LSB(a);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
23a276b1252962c987a613be470dde26561247b8hueston        psb = opl_get_physical_board(n, opl_promtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (psb < 0 || psb >= OPL_IOB_MAX) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            /* psb mapping is out of range, skip */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            continue;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        lsb_to_psb[lsb] = psb;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * Create the ioboard node. Add fru and label properties, and create room
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston * for child hostbridge nodes.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonstatic tnode_t *
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonopl_iob_node_create(topo_mod_t *mp, tnode_t *parent, int inst)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    int err;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    tnode_t *ion;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    nvlist_t *fmri;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    nvlist_t *args = NULL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    nvlist_t *pfmri = NULL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_hdl_t *thp = topo_mod_handle(mp);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    char label[8];
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    char fmri_str[32];
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (parent == NULL || inst < 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Get parent FMRI */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    (void) topo_node_resource(parent, &pfmri, &err);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (pfmri != NULL) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (topo_mod_nvalloc(mp, &args, NV_UNIQUE_NAME) != 0 ||
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            nvlist_add_nvlist(args, TOPO_METH_FMRI_ARG_PARENT, pfmri)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            != 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            nvlist_free(pfmri);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            nvlist_free(args);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            (void) topo_mod_seterrno(mp, EMOD_FMRI_NVL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            return (NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        nvlist_free(pfmri);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Create ioboard FMRI */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if ((fmri = topo_fmri_create(thp, FM_FMRI_SCHEME_HC, IOBOARD, inst,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        args, &err)) == NULL) {
23a276b1252962c987a613be470dde26561247b8hueston        topo_mod_dprintf(mp, "create of tnode for ioboard failed: %s\n",
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            topo_strerror(topo_mod_errno(mp)));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        (void) topo_mod_seterrno(mp, err);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        nvlist_free(args);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    nvlist_free(args);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Create node for this ioboard */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    ion = topo_node_bind(mp, parent, IOBOARD, inst, fmri, NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (ion == NULL) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        nvlist_free(fmri);
23a276b1252962c987a613be470dde26561247b8hueston        topo_mod_dprintf(mp, "unable to bind ioboard: %s\n",
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            topo_strerror(topo_mod_errno(mp)));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (NULL); /* mod_errno already set */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    nvlist_free(fmri);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Create and add FRU fmri for this ioboard */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    snprintf(fmri_str, sizeof (fmri_str), IOBDFRU, inst);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (topo_fmri_str2nvl(thp, fmri_str, &fmri, &err) == 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        (void) topo_node_fru_set(ion, fmri, 0, &err);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        nvlist_free(fmri);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Add label for this ioboard */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    snprintf(label, sizeof (label), LABEL, inst);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    (void) topo_node_label_set(ion, label, &err);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Create range of hostbridges on this ioboard */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (topo_node_range_create(mp, ion, HOSTBRIDGE, 0, OPL_HB_MAX) != 0) {
23a276b1252962c987a613be470dde26561247b8hueston        topo_mod_dprintf(mp, "topo_node_range_create failed: %s\n",
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            topo_strerror(topo_mod_errno(mp)));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (NULL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    return (ion);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston/*ARGSUSED*/
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonstatic int
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chuestonopl_iob_enum(topo_mod_t *mp, tnode_t *parent, const char *name,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_instance_t imin, topo_instance_t imax, void *notused)
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston{
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    di_node_t pnode;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    tnode_t *ion;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    topo_instance_t inst;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    int lsb_to_psb[OPL_IOB_MAX];
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    ioboard_contents_t ioboard_list[OPL_IOB_MAX];
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    int retval = 0;
23a276b1252962c987a613be470dde26561247b8hueston    di_prom_handle_t opl_promtree = DI_PROM_HANDLE_NIL;
23a276b1252962c987a613be470dde26561247b8hueston    di_node_t opl_devtree;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Validate the name is correct */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (strcmp(name, "ioboard") != 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (-1);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Initialize devinfo once for the module */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if ((opl_promtree = di_prom_init()) == DI_PROM_HANDLE_NIL) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        (void) topo_mod_seterrno(mp, errno);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        topo_mod_dprintf(mp,
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            "Ioboard enumerator: di_prom_handle_init failed.\n");
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (-1);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /* Make sure we don't exceed OPL_IOB_MAX */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (imax >= OPL_IOB_MAX) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        imax = OPL_IOB_MAX;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    bzero(ioboard_list, sizeof (ioboard_list));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    opl_devtree = di_init("/", DINFOCPYALL);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    if (opl_devtree == DI_NODE_NIL) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        (void) topo_mod_seterrno(mp, errno);
23a276b1252962c987a613be470dde26561247b8hueston        topo_mod_dprintf(mp, "devinfo init failed.\n");
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        return (-1);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * Create a mapping from logical board numbers (which are part of
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * the device node bus address) to physical board numbers, so we
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * can create meaningful fru labels.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     */
23a276b1252962c987a613be470dde26561247b8hueston    opl_map_boards(lsb_to_psb, opl_devtree, opl_promtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * Figure out which boards are installed by finding hostbridges
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * with matching bus addresses.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    for (pnode = di_drv_first_node(OPL_PX_DRV, opl_devtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        pnode != DI_NODE_NIL;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        pnode = di_drv_next_node(pnode)) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        int psb = -1;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        char *ba = di_bus_addr(pnode);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        int a = OPL_PX_STR2BA(ba);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        int lsb = OPL_PX_LSB(a);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        int hb = OPL_PX_HB(a);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        int rc = OPL_PX_RC(a);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        /* Map logical system board to physical system board */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (lsb >= 0 && lsb <= OPL_IOB_MAX) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            psb = lsb_to_psb[lsb];
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        /* If valid psb, note that this board exists */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (psb >= 0 && psb < OPL_IOB_MAX) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            ioboard_list[psb].count++;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            ioboard_list[psb].rcs[hb][rc] = pnode;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    /*
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * Now enumerate each existing board  Exit loop if retval is
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     * ever set to non-zero.
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston     */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    for (inst = imin; inst <= imax && retval == 0; inst++) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        /* If this board doesn't contain any hostbridges, skip it */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (ioboard_list[inst].count == 0) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            continue;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        /* Create node for this ioboard */
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        ion = opl_iob_node_create(mp, parent, inst);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        if (ion == NULL) {
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            topo_mod_dprintf(mp,
23a276b1252962c987a613be470dde26561247b8hueston                "enumeration of ioboard failed: %s\n",
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston                topo_strerror(topo_mod_errno(mp)));
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            retval = -1;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston            break;
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston        /* Enumerate hostbridges on this ioboard, sets errno */
23a276b1252962c987a613be470dde26561247b8hueston        retval = opl_hb_enum(mp, &ioboard_list[inst], ion, inst,
23a276b1252962c987a613be470dde26561247b8hueston            opl_promtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    }
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    di_fini(opl_devtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    di_prom_fini(opl_promtree);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston    return (retval);
0b6016e6ff70af39f99c9cc28e0c2207c8f5413chueston}