17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright 2000-2002 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate * Routines extracted from usr/src/uts/common/io/usb/usba/usba.c.
297c478bd9Sstevel@tonic-gate */
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate #include <sys/mdb_modapi.h>
327c478bd9Sstevel@tonic-gate #include <sys/usb/usba.h>
337c478bd9Sstevel@tonic-gate #include <sys/usb/usba/usba_types.h>
347c478bd9Sstevel@tonic-gate #include <sys/usb/usba/usba_impl.h>
357c478bd9Sstevel@tonic-gate #include <sys/usb/usba/hcdi_impl.h>
367c478bd9Sstevel@tonic-gate #include <sys/file.h>
377c478bd9Sstevel@tonic-gate #include <sys/sunndi.h>
387c478bd9Sstevel@tonic-gate
397c478bd9Sstevel@tonic-gate
407c478bd9Sstevel@tonic-gate /*
417c478bd9Sstevel@tonic-gate * check whether this dip is the root hub.
427c478bd9Sstevel@tonic-gate * dip_addr is address of the devinfo struct in the core image (not local space)
437c478bd9Sstevel@tonic-gate */
447c478bd9Sstevel@tonic-gate static int
mdb_usba_is_root_hub(struct dev_info * dip)457c478bd9Sstevel@tonic-gate mdb_usba_is_root_hub(struct dev_info *dip)
467c478bd9Sstevel@tonic-gate {
477c478bd9Sstevel@tonic-gate uintptr_t p = (uintptr_t)dip->devi_hw_prop_ptr;
487c478bd9Sstevel@tonic-gate
49*892ad162SToomas Soome while (p != 0) {
507c478bd9Sstevel@tonic-gate ddi_prop_t prop;
517c478bd9Sstevel@tonic-gate char prop_name[128];
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate if (mdb_vread(&prop, sizeof (prop), p) == -1) {
547c478bd9Sstevel@tonic-gate mdb_warn("failed to read property");
557c478bd9Sstevel@tonic-gate break;
567c478bd9Sstevel@tonic-gate }
577c478bd9Sstevel@tonic-gate if (mdb_readstr(prop_name, sizeof (prop_name),
587c478bd9Sstevel@tonic-gate (uintptr_t)prop.prop_name) == -1) {
597c478bd9Sstevel@tonic-gate mdb_warn("failed to read property name");
607c478bd9Sstevel@tonic-gate }
617c478bd9Sstevel@tonic-gate
627c478bd9Sstevel@tonic-gate if (strcmp(prop_name, "root-hub") == 0) {
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate return (1);
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate p = (uintptr_t)prop.prop_next;
687c478bd9Sstevel@tonic-gate }
697c478bd9Sstevel@tonic-gate
707c478bd9Sstevel@tonic-gate return (0);
717c478bd9Sstevel@tonic-gate }
727c478bd9Sstevel@tonic-gate
737c478bd9Sstevel@tonic-gate
747c478bd9Sstevel@tonic-gate /*
757c478bd9Sstevel@tonic-gate * retrieve hcdi structure from the dip
767c478bd9Sstevel@tonic-gate *
777c478bd9Sstevel@tonic-gate * dip_addr is address of the devinfo struct in the core image (not local space)
787c478bd9Sstevel@tonic-gate */
797c478bd9Sstevel@tonic-gate uintptr_t
mdb_usba_hcdi_get_hcdi(struct dev_info * dip)807c478bd9Sstevel@tonic-gate mdb_usba_hcdi_get_hcdi(struct dev_info *dip)
817c478bd9Sstevel@tonic-gate {
827c478bd9Sstevel@tonic-gate return ((uintptr_t)dip->devi_driver_data);
837c478bd9Sstevel@tonic-gate }
847c478bd9Sstevel@tonic-gate
857c478bd9Sstevel@tonic-gate
867c478bd9Sstevel@tonic-gate /*
877c478bd9Sstevel@tonic-gate * get usba_device pointer in the devi
887c478bd9Sstevel@tonic-gate *
897c478bd9Sstevel@tonic-gate * dip_addr is address of the devinfo struct in the core image (not local space)
907c478bd9Sstevel@tonic-gate */
917c478bd9Sstevel@tonic-gate uintptr_t
mdb_usba_get_usba_device(uintptr_t dip_addr)927c478bd9Sstevel@tonic-gate mdb_usba_get_usba_device(uintptr_t dip_addr)
937c478bd9Sstevel@tonic-gate {
947c478bd9Sstevel@tonic-gate struct dev_info devinfo;
957c478bd9Sstevel@tonic-gate
967c478bd9Sstevel@tonic-gate if (mdb_vread(&devinfo, sizeof (struct dev_info), dip_addr) == -1) {
977c478bd9Sstevel@tonic-gate mdb_warn("failed to read dev_info at %p", dip_addr);
987c478bd9Sstevel@tonic-gate
99*892ad162SToomas Soome return (0);
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate
1027c478bd9Sstevel@tonic-gate /*
1037c478bd9Sstevel@tonic-gate * we cannot use parent_data in the usb node because its
1047c478bd9Sstevel@tonic-gate * bus parent (eg. PCI nexus driver) uses this data
1057c478bd9Sstevel@tonic-gate *
1067c478bd9Sstevel@tonic-gate * we cannot use driver data in the other usb nodes since
1077c478bd9Sstevel@tonic-gate * usb drivers may need to use this
1087c478bd9Sstevel@tonic-gate */
1097c478bd9Sstevel@tonic-gate if (mdb_usba_is_root_hub(&devinfo)) {
1107c478bd9Sstevel@tonic-gate usba_hcdi_t hcdi_struct;
1117c478bd9Sstevel@tonic-gate uintptr_t hcdi_addr = mdb_usba_hcdi_get_hcdi(&devinfo);
1127c478bd9Sstevel@tonic-gate
1137c478bd9Sstevel@tonic-gate if (!hcdi_addr) {
1147c478bd9Sstevel@tonic-gate
115*892ad162SToomas Soome return (0);
1167c478bd9Sstevel@tonic-gate }
1177c478bd9Sstevel@tonic-gate
1187c478bd9Sstevel@tonic-gate /* Read hcdi struct into local address space. */
1197c478bd9Sstevel@tonic-gate if (mdb_vread(&hcdi_struct, sizeof (usba_hcdi_t),
1207c478bd9Sstevel@tonic-gate hcdi_addr) == -1) {
1217c478bd9Sstevel@tonic-gate mdb_warn("failed to read hcdi struct");
1227c478bd9Sstevel@tonic-gate
123*892ad162SToomas Soome return (0);
1247c478bd9Sstevel@tonic-gate }
1257c478bd9Sstevel@tonic-gate
1267c478bd9Sstevel@tonic-gate return ((uintptr_t)hcdi_struct.hcdi_usba_device);
1277c478bd9Sstevel@tonic-gate
1287c478bd9Sstevel@tonic-gate } else {
1297c478bd9Sstevel@tonic-gate struct dev_info devinfo;
1307c478bd9Sstevel@tonic-gate
1317c478bd9Sstevel@tonic-gate if (mdb_vread(&devinfo, sizeof (struct dev_info),
1327c478bd9Sstevel@tonic-gate dip_addr) == -1) {
1337c478bd9Sstevel@tonic-gate mdb_warn("failed to read dev_info at %p", dip_addr);
1347c478bd9Sstevel@tonic-gate
135*892ad162SToomas Soome return (0);
1367c478bd9Sstevel@tonic-gate }
1377c478bd9Sstevel@tonic-gate
1387c478bd9Sstevel@tonic-gate /* casts needed to keep lint happy */
1397c478bd9Sstevel@tonic-gate return ((uintptr_t)devinfo.devi_parent_data);
1407c478bd9Sstevel@tonic-gate }
1417c478bd9Sstevel@tonic-gate }
142