7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <gelf.h>
30
31 #include <sys/mdb_modapi.h>
32 #include <mdb/mdb_ks.h>
33
34 #include <sys/usb/usba.h>
35 #include <sys/usb/usba/usba_types.h>
36
37 #include <sys/usb/hcd/uhci/uhci.h>
38 #include <sys/usb/hcd/uhci/uhcid.h>
39 #include <sys/usb/hcd/uhci/uhciutil.h>
40
41
42 #define UHCI_TD 0
43 #define UHCI_QH 1
44
45
46 /* Prototypes */
47
48 int uhci_td(uintptr_t, uint_t, int, const mdb_arg_t *);
567
568 if (mdb_vread(wsp->walk_data, sizeof (queue_head_t), wsp->walk_addr)
569 == -1) {
570 mdb_warn("failure reading qh at %p", wsp->walk_addr);
571 return (WALK_DONE);
572 }
573
574 status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
575 wsp->walk_cbdata);
576
577 /* Next QH. */
578 wsp->walk_addr = ((queue_head_t *)wsp->walk_data)->link_ptr;
579
580
581 /* Check if we're at the last element */
582 if (wsp->walk_addr == NULL || wsp->walk_addr & HC_END_OF_LIST) {
583 return (WALK_DONE);
584 }
585
586 /* Make sure next element is a QH. If a TD, stop. */
587 if (! ((((queue_head_t *)wsp->walk_data)->link_ptr) & HC_QUEUE_HEAD)
588 == HC_QUEUE_HEAD) {
589 return (WALK_DONE);
590 }
591
592 /* Strip terminate etc. bits. */
593 wsp->walk_addr &= QH_LINK_PTR_MASK;
594
595 if (wsp->walk_addr == NULL)
596 return (WALK_DONE);
597
598 /*
599 * Convert link_ptr paddr to vaddr
600 * Note: uhcip needed by QH_VADDR macro
601 */
602 wsp->walk_addr = (uintptr_t)QH_VADDR(wsp->walk_addr);
603
604 return (status);
605 }
606
607 /*
608 * MDB module linkage information:
|
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <gelf.h>
28
29 #include <sys/mdb_modapi.h>
30 #include <mdb/mdb_ks.h>
31
32 #include <sys/usb/usba.h>
33 #include <sys/usb/usba/usba_types.h>
34
35 #include <sys/usb/hcd/uhci/uhci.h>
36 #include <sys/usb/hcd/uhci/uhcid.h>
37 #include <sys/usb/hcd/uhci/uhciutil.h>
38
39
40 #define UHCI_TD 0
41 #define UHCI_QH 1
42
43
44 /* Prototypes */
45
46 int uhci_td(uintptr_t, uint_t, int, const mdb_arg_t *);
565
566 if (mdb_vread(wsp->walk_data, sizeof (queue_head_t), wsp->walk_addr)
567 == -1) {
568 mdb_warn("failure reading qh at %p", wsp->walk_addr);
569 return (WALK_DONE);
570 }
571
572 status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
573 wsp->walk_cbdata);
574
575 /* Next QH. */
576 wsp->walk_addr = ((queue_head_t *)wsp->walk_data)->link_ptr;
577
578
579 /* Check if we're at the last element */
580 if (wsp->walk_addr == NULL || wsp->walk_addr & HC_END_OF_LIST) {
581 return (WALK_DONE);
582 }
583
584 /* Make sure next element is a QH. If a TD, stop. */
585 if (((((queue_head_t *)wsp->walk_data)->link_ptr) & HC_QUEUE_HEAD)
586 != HC_QUEUE_HEAD) {
587 return (WALK_DONE);
588 }
589
590 /* Strip terminate etc. bits. */
591 wsp->walk_addr &= QH_LINK_PTR_MASK;
592
593 if (wsp->walk_addr == NULL)
594 return (WALK_DONE);
595
596 /*
597 * Convert link_ptr paddr to vaddr
598 * Note: uhcip needed by QH_VADDR macro
599 */
600 wsp->walk_addr = (uintptr_t)QH_VADDR(wsp->walk_addr);
601
602 return (status);
603 }
604
605 /*
606 * MDB module linkage information:
|