hb_sun4v.c revision 7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fe
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * CDDL HEADER START
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * The contents of this file are subject to the terms of the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Common Development and Distribution License (the "License").
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * You may not use this file except in compliance with the License.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * or http://www.opensolaris.org/os/licensing.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * See the License for the specific language governing permissions
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * and limitations under the License.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * When distributing Covered Code, include this CDDL HEADER in each
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * CDDL HEADER END
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Use is subject to license terms.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#pragma ident "%Z%%M% %I% %E% SMI"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include "hb_sun4.h"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include "hostbridge.h"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include "pcibus.h"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include "util.h"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindistatic int
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindircs_process(busorrc_t *list, tnode_t *ptn)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi busorrc_t *p;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi int nrc = 0;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (list == NULL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi topo_mod_dprintf(HbHdl, "No root complexes found.\n");
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi /*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * At press time, all sun4v machines have 1 FIRE ASIC as a
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * hostbridge, and then each PX driver instance we see is a
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * PCI-Express root complex.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi for (p = list; p != NULL; p = p->br_nextbus)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi nrc++;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi topo_mod_dprintf(HbHdl, "root complex count: %d\n", nrc);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (declare_exbuses(list, ptn, 1, nrc));
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindistatic int
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindipci_hostbridges_find(tnode_t *ptn)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi busorrc_t *rcs = NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_node_t devtree;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_node_t pnode;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi /* Scan for buses, top-level devinfo nodes with the right driver */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi devtree = di_init("/", DINFOCPYALL);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (devtree == DI_NODE_NIL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi topo_mod_dprintf(HbHdl, "devinfo init failed.");
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi topo_node_range_destroy(ptn, HOSTBRIDGE);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi pnode = di_drv_first_node(PX, devtree);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi while (pnode != DI_NODE_NIL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (busorrc_add(&rcs, pnode) < 0) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_fini(devtree);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (-1);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi pnode = di_drv_next_node(pnode);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi rcs_process(rcs, ptn);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi busorrc_free(rcs);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_fini(devtree);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiint
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiplatform_hb_enum(tnode_t *parent, const char *name,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi topo_instance_t imin, topo_instance_t imax)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (pci_hostbridges_find(parent));
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiint
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiplatform_hb_label(tnode_t *node, nvlist_t *in, nvlist_t **out)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (labelmethod_inherit(HbHdl, node, in, out));
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}