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/*
* 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 (c) 1999-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#include <sys/mdb_modapi.h>
#include <sys/dditypes.h>
#include <sys/sysinfo.h>
#include <sys/1394/s1394.h>
static int print_node_info(s1394_hal_t *hal);
/*
* speedmap()
* is used to print node information (speed map, node number, GUID, etc.)
* about the 1394 devices currently attached to the 1394 bus.
*/
static int
speedmap(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
s1394_hal_t hal;
int ret;
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&hal, sizeof (s1394_hal_t), addr) == -1) {
mdb_warn("failed to read the HAL structure");
return (DCMD_ERR);
}
ret = print_node_info(&hal);
if (ret == DCMD_ERR)
return (DCMD_ERR);
} else {
(void) mdb_walk_dcmd("speedmap", "speedmap", argc, argv);
}
return (DCMD_OK);
}
static int
speedmap_walk_init(mdb_walk_state_t *wsp)
{
s1394_state_t *statep;
s1394_state_t state;
if (wsp->walk_addr == 0) {
if (mdb_readvar(&statep, "s1394_statep") == -1) {
mdb_warn("failed to find the s1394_statep pointer");
return (WALK_ERR);
}
if (mdb_vread(&state, sizeof (s1394_state_t),
(uintptr_t)statep) == -1) {
mdb_warn("failed to read the s1394_statep structure");
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)state.hal_head;
}
return (WALK_NEXT);
}
static int
speedmap_walk_step(mdb_walk_state_t *wsp)
{
s1394_hal_t hal;
uintptr_t addr = wsp->walk_addr;
if (addr == 0)
return (WALK_DONE);
if (mdb_vread(&hal, sizeof (s1394_hal_t), addr) == -1) {
mdb_warn("failed to read the HAL structure");
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)hal.hal_next;
return (wsp->walk_callback(addr, &hal, wsp->walk_cbdata));
}
/*ARGSUSED*/
static void
speedmap_walk_fini(mdb_walk_state_t *wsp)
{
/* Nothing to do here */
}
static const mdb_dcmd_t dcmds[] = {
{ "speedmap", NULL, "print 1394 bus information", speedmap },
{ NULL }
};
static const mdb_walker_t walkers[] = {
{ "speedmap", "iterate over HAL structures", speedmap_walk_init,
speedmap_walk_step, speedmap_walk_fini },
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, walkers
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}
/*
* print_node_info()
* is used to do the actual printing, given a HAL pointer.
*/
static int
print_node_info(s1394_hal_t *hal)
{
s1394_node_t node[IEEE1394_MAX_NODES];
uint32_t cfgrom[IEEE1394_CONFIG_ROM_QUAD_SZ];
char str[512], tmp[512];
uint_t hal_node_num, num_nodes;
int i, j;
num_nodes = hal->number_of_nodes;
if (mdb_vread(node, (num_nodes * sizeof (s1394_node_t)),
(uintptr_t)hal->topology_tree) == -1) {
mdb_warn("failed to read the node structures");
return (DCMD_ERR);
}
hal_node_num = IEEE1394_NODE_NUM(hal->node_id);
mdb_printf("Speed Map:\n");
(void) strcpy(str, " |");
for (i = 0; i < num_nodes; i++) {
(void) mdb_snprintf(tmp, sizeof (tmp), " %2d ", i);
(void) strcat(str, tmp);
}
(void) strcat(str, " | GUID\n");
mdb_printf("%s", str);
(void) strcpy(str, "----|");
for (i = 0; i < hal->number_of_nodes; i++) {
(void) mdb_snprintf(tmp, sizeof (tmp), "----");
(void) strcat(str, tmp);
}
(void) strcat(str, "--|------------------\n");
mdb_printf("%s", str);
for (i = 0; i < num_nodes; i++) {
if (node[i].cfgrom != NULL) {
if (mdb_vread(&cfgrom, IEEE1394_CONFIG_ROM_SZ,
(uintptr_t)node[i].cfgrom) == -1) {
mdb_warn("failed to read Config ROM");
return (DCMD_ERR);
}
}
(void) mdb_snprintf(str, sizeof (str), " %2d |", i);
for (j = 0; j < num_nodes; j++) {
(void) mdb_snprintf(tmp, sizeof (tmp), " %3d",
hal->speed_map[i][j]);
(void) strcat(str, tmp);
}
if (i == hal_node_num) {
(void) strcat(str, " | Local OHCI Card\n");
} else if (node[i].link_active == 0) {
(void) strcat(str, " | Link off\n");
} else if (CFGROM_BIB_READ(&node[i])) {
(void) mdb_snprintf(tmp, sizeof (tmp),
" | %08x%08x\n", cfgrom[3], cfgrom[4]);
(void) strcat(str, tmp);
} else {
(void) strcat(str, " | ????????????????\n");
}
mdb_printf("%s", str);
}
mdb_printf("\n");
return (DCMD_OK);
}
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