mdi_walkers.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "main.h"
static uintptr_t firstaddr = 0;
char mdipathinfo_cb_str[] = "::print struct mdi_pathinfo";
char mdiphci_cb_str[] = "::print struct mdi_phci";
/* mdi_pathinfo client walker */
/* ARGUSED */
int
mdi_pi_client_link_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("Address is required");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (struct mdi_pathinfo), UM_SLEEP);
firstaddr = wsp->walk_addr;
return (WALK_NEXT);
}
/* ARGUSED */
int
mdi_pi_client_link_walk_step(mdb_walk_state_t *wsp)
{
int status = 0;
static int counts = 0;
if (firstaddr == wsp->walk_addr && counts != 0) {
counts = 0;
return (WALK_DONE);
}
if (wsp->walk_addr == NULL) {
counts = 0;
return (WALK_DONE);
}
if (mdb_vread(wsp->walk_data, sizeof (struct mdi_pathinfo),
wsp->walk_addr) == -1) {
mdb_warn("failed to read mdi_pathinfo at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)
(((struct mdi_pathinfo *)wsp->walk_data)->pi_client_link);
counts++;
return (status);
}
/* ARGUSED */
void
mdi_pi_client_link_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct mdi_pathinfo));
}
/*
* mdiclient_paths()
*
* Given a path, walk through mdi_pathinfo client links.
*/
/* ARGUSED */
int
mdiclient_paths(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
int status;
if (argc != 0)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
mdb_warn("Address needs to be specified");
return (DCMD_ERR);
}
status =
mdb_pwalk_dcmd("mdipi_client_list", "mdipi", argc, argv, addr);
return (status);
}
/* mdi_pathinfo phci walker */
int
mdi_pi_phci_link_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("Address is required");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (struct mdi_pathinfo), UM_SLEEP);
firstaddr = wsp->walk_addr;
return (WALK_NEXT);
}
int
mdi_pi_phci_link_walk_step(mdb_walk_state_t *wsp)
{
int status;
static int counts = 0;
if (firstaddr == wsp->walk_addr && counts != 0) {
counts = 0;
return (WALK_DONE);
}
if (wsp->walk_addr == NULL) {
counts = 0;
return (WALK_DONE);
}
if (mdb_vread(wsp->walk_data, sizeof (struct mdi_pathinfo),
wsp->walk_addr) == -1) {
mdb_warn("failed to read mdi_pathinfo at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)
(((struct mdi_pathinfo *)wsp->walk_data)->pi_phci_link);
counts++;
return (status);
}
void
mdi_pi_phci_link_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct mdi_pathinfo));
}
/*
* mdiphci_paths()
*
* Given a path, walk through mdi_pathinfo phci links.
*/
int
mdiphci_paths(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
int status;
if (argc != 0)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
mdb_warn("Address needs to be specified");
return (DCMD_ERR);
}
status =
mdb_pwalk_dcmd("mdipi_phci_list", "mdipi", argc, argv, addr);
return (status);
}
/* mdi_phci walker */
int
mdi_phci_ph_next_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("Address is required");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (struct mdi_phci), UM_SLEEP);
firstaddr = wsp->walk_addr;
return (WALK_NEXT);
}
int
mdi_phci_ph_next_walk_step(mdb_walk_state_t *wsp)
{
int status;
static int counts = 0;
if (firstaddr == wsp->walk_addr && counts != 0) {
counts = 0;
return (WALK_DONE);
}
if (wsp->walk_addr == NULL) {
counts = 0;
return (WALK_DONE);
}
if (mdb_vread(wsp->walk_data, sizeof (struct mdi_phci), wsp->walk_addr)
== -1) {
mdb_warn("failed to read mdi_phci at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)
(((struct mdi_phci *)wsp->walk_data)->ph_next);
counts++;
return (status);
}
void
mdi_phci_ph_next_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct mdi_phci));
}
/*
* mdiphcis()
*
* Given a phci, walk through mdi_phci ph_next links.
*/
int
mdiphcis(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
int status;
if (argc != 0)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
mdb_warn("Address needs to be specified");
return (DCMD_ERR);
}
status =
mdb_pwalk_dcmd("mdiphci_list", "mdiphci", argc, argv, addr);
return (status);
}