devinfo.c revision 269473047d747f7815af570197e4ef7322d3632c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/dditypes.h>
#include <sys/ddi_impldefs.h>
#include <sys/ddifm.h>
#include <sys/ddipropdefs.h>
#include <sys/modctl.h>
#include <sys/hwconf.h>
#include <sys/stat.h>
#include <errno.h>
#include <sys/sunmdi.h>
#include <sys/mdi_impldefs.h>
#include <ctype.h>
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#include "nvpair.h"
#include "devinfo.h"
#define DEVINFO_TREE_INDENT 4 /* Indent for devs one down in tree */
#define DEVINFO_PROP_INDENT 4 /* Indent for properties */
#define DEVINFO_PROPLIST_INDENT 8 /* Indent for properties lists */
/*
* devinfo node state map. Used by devinfo() and devinfo_audit().
* Long words are deliberately truncated so that output
* fits in 80 column with 64-bit addresses.
*/
static const char *const di_state[] = {
"DS_INVAL",
"DS_PROTO",
"DS_LINKED",
"DS_BOUND",
"DS_INITIA",
"DS_PROBED",
"DS_ATTACH",
"DS_READY",
"?"
};
#define DI_STATE_MAX ((sizeof (di_state) / sizeof (char *)) - 1)
void
prtconf_help(void)
{
mdb_printf("Prints the devinfo tree from a given node.\n"
"Without the address of a \"struct devinfo\" given, "
"prints from the root;\n"
"with an address, prints the parents of, "
"and all children of, that address.\n\n"
"Switches:\n"
" -v be verbose - print device property lists\n"
" -p only print the ancestors of the given node\n"
" -c only print the children of the given node\n");
}
void
devinfo_help(void)
{
mdb_printf("Switches:\n"
" -q be quiet - don't print device property lists\n"
" -s print summary of dev_info structures\n");
}
/*
* Devinfo walker.
*/
typedef struct {
/*
* The "struct dev_info" must be the first thing in this structure.
*/
struct dev_info din_dev;
/*
* This is for the benefit of prtconf().
*/
int din_depth;
} devinfo_node_t;
typedef struct devinfo_parents_walk_data {
devinfo_node_t dip_node;
#define dip_dev dip_node.din_dev
#define dip_depth dip_node.din_depth
struct dev_info *dip_end;
/*
* The following three elements are for walking the parents of a node:
* "dip_base_depth" is the depth of the given node from the root.
* This starts at 1 (if we're walking devinfo_root), because
* it's the size of the dip_parent_{nodes,addresses} arrays,
* and has to include the given node.
* "dip_parent_nodes" is a collection of the parent node structures,
* already read in via mdb_vread(). dip_parent_nodes[0] is the
* root, dip_parent_nodes[1] is a child of the root, etc.
* "dip_parent_addresses" holds the vaddrs of all the parent nodes.
*/
int dip_base_depth;
devinfo_node_t *dip_parent_nodes;
uintptr_t *dip_parent_addresses;
} devinfo_parents_walk_data_t;
int
devinfo_parents_walk_init(mdb_walk_state_t *wsp)
{
devinfo_parents_walk_data_t *dip;
uintptr_t addr;
uintptr_t devinfo_root; /* Address of root of devinfo tree */
int i;
if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) {
mdb_warn("failed to read 'top_devinfo'");
return (NULL);
}
if (wsp->walk_addr == NULL)
wsp->walk_addr = devinfo_root;
addr = wsp->walk_addr;
dip = mdb_alloc(sizeof (devinfo_parents_walk_data_t), UM_SLEEP);
wsp->walk_data = dip;
dip->dip_end = (struct dev_info *)wsp->walk_addr;
dip->dip_depth = 0;
dip->dip_base_depth = 1;
do {
if (mdb_vread(&dip->dip_dev, sizeof (dip->dip_dev),
addr) == -1) {
mdb_warn("failed to read devinfo at %p", addr);
mdb_free(dip, sizeof (devinfo_parents_walk_data_t));
wsp->walk_data = NULL;
return (WALK_ERR);
}
addr = (uintptr_t)dip->dip_dev.devi_parent;
if (addr != 0)
dip->dip_base_depth++;
} while (addr != 0);
addr = wsp->walk_addr;
dip->dip_parent_nodes = mdb_alloc(
dip->dip_base_depth * sizeof (devinfo_node_t), UM_SLEEP);
dip->dip_parent_addresses = mdb_alloc(
dip->dip_base_depth * sizeof (uintptr_t), UM_SLEEP);
for (i = dip->dip_base_depth - 1; i >= 0; i--) {
if (mdb_vread(&dip->dip_parent_nodes[i].din_dev,
sizeof (struct dev_info), addr) == -1) {
mdb_warn("failed to read devinfo at %p", addr);
return (WALK_ERR);
}
dip->dip_parent_nodes[i].din_depth = i;
dip->dip_parent_addresses[i] = addr;
addr = (uintptr_t)
dip->dip_parent_nodes[i].din_dev.devi_parent;
}
return (WALK_NEXT);
}
int
devinfo_parents_walk_step(mdb_walk_state_t *wsp)
{
devinfo_parents_walk_data_t *dip = wsp->walk_data;
int status;
if (dip->dip_depth == dip->dip_base_depth)
return (WALK_DONE);
status = wsp->walk_callback(
dip->dip_parent_addresses[dip->dip_depth],
&dip->dip_parent_nodes[dip->dip_depth],
wsp->walk_cbdata);
dip->dip_depth++;
return (status);
}
void
devinfo_parents_walk_fini(mdb_walk_state_t *wsp)
{
devinfo_parents_walk_data_t *dip = wsp->walk_data;
mdb_free(dip->dip_parent_nodes,
dip->dip_base_depth * sizeof (devinfo_node_t));
mdb_free(dip->dip_parent_addresses,
dip->dip_base_depth * sizeof (uintptr_t));
mdb_free(wsp->walk_data, sizeof (devinfo_parents_walk_data_t));
}
typedef struct devinfo_children_walk_data {
devinfo_node_t dic_node;
#define dic_dev dic_node.din_dev
#define dic_depth dic_node.din_depth
struct dev_info *dic_end;
int dic_print_first_node;
} devinfo_children_walk_data_t;
int
devinfo_children_walk_init(mdb_walk_state_t *wsp)
{
devinfo_children_walk_data_t *dic;
uintptr_t devinfo_root; /* Address of root of devinfo tree */
if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) {
mdb_warn("failed to read 'top_devinfo'");
return (NULL);
}
if (wsp->walk_addr == NULL)
wsp->walk_addr = devinfo_root;
dic = mdb_alloc(sizeof (devinfo_children_walk_data_t), UM_SLEEP);
wsp->walk_data = dic;
dic->dic_end = (struct dev_info *)wsp->walk_addr;
/*
* This could be set by devinfo_walk_init().
*/
if (wsp->walk_arg != NULL) {
dic->dic_depth = (*(int *)wsp->walk_arg - 1);
dic->dic_print_first_node = 0;
} else {
dic->dic_depth = 0;
dic->dic_print_first_node = 1;
}
return (WALK_NEXT);
}
int
devinfo_children_walk_step(mdb_walk_state_t *wsp)
{
devinfo_children_walk_data_t *dic = wsp->walk_data;
struct dev_info *v;
devinfo_node_t *cur;
uintptr_t addr = wsp->walk_addr;
int status = WALK_NEXT;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&dic->dic_dev, sizeof (dic->dic_dev), addr) == -1) {
mdb_warn("failed to read devinfo at %p", addr);
return (WALK_DONE);
}
cur = &dic->dic_node;
if (dic->dic_print_first_node == 0)
dic->dic_print_first_node = 1;
else
status = wsp->walk_callback(addr, cur, wsp->walk_cbdata);
/*
* "v" is always a virtual address pointer,
* i.e. can't be deref'ed.
*/
v = (struct dev_info *)addr;
if (dic->dic_dev.devi_child != NULL) {
v = dic->dic_dev.devi_child;
dic->dic_depth++;
} else if (dic->dic_dev.devi_sibling != NULL && v != dic->dic_end) {
v = dic->dic_dev.devi_sibling;
} else {
while (v != NULL && v != dic->dic_end &&
dic->dic_dev.devi_sibling == NULL) {
v = dic->dic_dev.devi_parent;
if (v == NULL)
break;
mdb_vread(&dic->dic_dev,
sizeof (struct dev_info), (uintptr_t)v);
dic->dic_depth--;
}
if (v != NULL && v != dic->dic_end)
v = dic->dic_dev.devi_sibling;
if (v == dic->dic_end)
v = NULL; /* Done */
}
wsp->walk_addr = (uintptr_t)v;
return (status);
}
void
devinfo_children_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (devinfo_children_walk_data_t));
}
typedef struct devinfo_walk_data {
mdb_walk_state_t diw_parent, diw_child;
enum { DIW_PARENT, DIW_CHILD, DIW_DONE } diw_mode;
} devinfo_walk_data_t;
int
devinfo_walk_init(mdb_walk_state_t *wsp)
{
devinfo_walk_data_t *diw;
devinfo_parents_walk_data_t *dip;
diw = mdb_alloc(sizeof (devinfo_walk_data_t), UM_SLEEP);
diw->diw_parent = *wsp;
diw->diw_child = *wsp;
wsp->walk_data = diw;
diw->diw_mode = DIW_PARENT;
if (devinfo_parents_walk_init(&diw->diw_parent) == -1) {
mdb_free(diw, sizeof (devinfo_walk_data_t));
return (WALK_ERR);
}
/*
* This is why the "devinfo" walker needs to be marginally
* complicated - the child walker needs this initialization
* data, and the best way to get it is out of the parent walker.
*/
dip = diw->diw_parent.walk_data;
diw->diw_child.walk_arg = &dip->dip_base_depth;
if (devinfo_children_walk_init(&diw->diw_child) == -1) {
devinfo_parents_walk_fini(&diw->diw_parent);
mdb_free(diw, sizeof (devinfo_walk_data_t));
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
devinfo_walk_step(mdb_walk_state_t *wsp)
{
devinfo_walk_data_t *diw = wsp->walk_data;
int status = WALK_NEXT;
if (diw->diw_mode == DIW_PARENT) {
status = devinfo_parents_walk_step(&diw->diw_parent);
if (status != WALK_NEXT) {
/*
* Keep on going even if the parents walk hit an error.
*/
diw->diw_mode = DIW_CHILD;
status = WALK_NEXT;
}
} else if (diw->diw_mode == DIW_CHILD) {
status = devinfo_children_walk_step(&diw->diw_child);
if (status != WALK_NEXT) {
diw->diw_mode = DIW_DONE;
status = WALK_DONE;
}
} else
status = WALK_DONE;
return (status);
}
void
devinfo_walk_fini(mdb_walk_state_t *wsp)
{
devinfo_walk_data_t *diw = wsp->walk_data;
devinfo_children_walk_fini(&diw->diw_child);
devinfo_parents_walk_fini(&diw->diw_parent);
mdb_free(diw, sizeof (devinfo_walk_data_t));
}
/*
* Given a devinfo pointer, figure out which driver is associated
* with the node (by driver name, from the devnames array).
*/
/*ARGSUSED*/
int
devinfo2driver(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
char dname[MODMAXNAMELEN + 1];
struct dev_info devi;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&devi, sizeof (devi), addr) == -1) {
mdb_warn("failed to read devinfo struct at %p", addr);
return (DCMD_ERR);
}
if (devi.devi_node_state < DS_ATTACHED) {
/* No driver attached to this devinfo - nothing to do. */
mdb_warn("%p: No driver attached to this devinfo node\n", addr);
return (DCMD_ERR);
}
if (mdb_devinfo2driver(addr, dname, sizeof (dname)) != 0) {
mdb_warn("failed to determine driver name");
return (DCMD_ERR);
}
mdb_printf("Driver '%s' is associated with devinfo %p.\n", dname, addr);
return (DCMD_OK);
}
typedef struct devnames_walk {
struct devnames *dnw_names;
int dnw_ndx;
int dnw_devcnt;
uintptr_t dnw_base;
uintptr_t dnw_size;
} devnames_walk_t;
int
devnames_walk_init(mdb_walk_state_t *wsp)
{
devnames_walk_t *dnw;
int devcnt;
uintptr_t devnamesp;
if (wsp->walk_addr != NULL) {
mdb_warn("devnames walker only supports global walks\n");
return (WALK_ERR);
}
if (mdb_readvar(&devcnt, "devcnt") == -1) {
mdb_warn("failed to read 'devcnt'");
return (WALK_ERR);
}
if (mdb_readvar(&devnamesp, "devnamesp") == -1) {
mdb_warn("failed to read 'devnamesp'");
return (WALK_ERR);
}
dnw = mdb_zalloc(sizeof (devnames_walk_t), UM_SLEEP);
dnw->dnw_size = sizeof (struct devnames) * devcnt;
dnw->dnw_devcnt = devcnt;
dnw->dnw_base = devnamesp;
dnw->dnw_names = mdb_alloc(dnw->dnw_size, UM_SLEEP);
if (mdb_vread(dnw->dnw_names, dnw->dnw_size, dnw->dnw_base) == -1) {
mdb_warn("couldn't read devnames array at %p", devnamesp);
return (WALK_ERR);
}
wsp->walk_data = dnw;
return (WALK_NEXT);
}
int
devnames_walk_step(mdb_walk_state_t *wsp)
{
devnames_walk_t *dnw = wsp->walk_data;
int status;
if (dnw->dnw_ndx == dnw->dnw_devcnt)
return (WALK_DONE);
status = wsp->walk_callback(dnw->dnw_ndx * sizeof (struct devnames) +
dnw->dnw_base, &dnw->dnw_names[dnw->dnw_ndx], wsp->walk_cbdata);
dnw->dnw_ndx++;
return (status);
}
void
devnames_walk_fini(mdb_walk_state_t *wsp)
{
devnames_walk_t *dnw = wsp->walk_data;
mdb_free(dnw->dnw_names, dnw->dnw_size);
mdb_free(dnw, sizeof (devnames_walk_t));
}
int
devinfo_siblings_walk_init(mdb_walk_state_t *wsp)
{
struct dev_info di;
uintptr_t addr = wsp->walk_addr;
if (addr == NULL) {
mdb_warn("a dev_info struct address must be provided\n");
return (WALK_ERR);
}
if (mdb_vread(&di, sizeof (di), addr) == -1) {
mdb_warn("failed to read dev_info struct at %p", addr);
return (WALK_ERR);
}
if (di.devi_parent == NULL) {
mdb_warn("no parent for devinfo at %p", addr);
return (WALK_DONE);
}
if (mdb_vread(&di, sizeof (di), (uintptr_t)di.devi_parent) == -1) {
mdb_warn("failed to read parent dev_info struct at %p",
(uintptr_t)di.devi_parent);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)di.devi_child;
return (WALK_NEXT);
}
int
devinfo_siblings_walk_step(mdb_walk_state_t *wsp)
{
struct dev_info di;
uintptr_t addr = wsp->walk_addr;
if (addr == NULL)
return (WALK_DONE);
if (mdb_vread(&di, sizeof (di), addr) == -1) {
mdb_warn("failed to read dev_info struct at %p", addr);
return (WALK_DONE);
}
wsp->walk_addr = (uintptr_t)di.devi_sibling;
return (wsp->walk_callback(addr, &di, wsp->walk_cbdata));
}
int
devi_next_walk_step(mdb_walk_state_t *wsp)
{
struct dev_info di;
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&di, sizeof (di), wsp->walk_addr) == -1)
return (WALK_DONE);
status = wsp->walk_callback(wsp->walk_addr, &di, wsp->walk_cbdata);
wsp->walk_addr = (uintptr_t)di.devi_next;
return (status);
}
/*
* Helper functions.
*/
static int
is_printable_string(unsigned char *prop_value)
{
while (*prop_value != 0)
if (!isprint(*prop_value++))
return (0);
return (1);
}
static void
devinfo_print_props_type(int type) {
char *type_str = NULL;
switch (type) {
case DDI_PROP_TYPE_ANY:
type_str = "any";
break;
case DDI_PROP_TYPE_COMPOSITE:
type_str = "composite";
break;
case DDI_PROP_TYPE_INT64:
type_str = "int64";
break;
case DDI_PROP_TYPE_INT:
type_str = "int";
break;
case DDI_PROP_TYPE_BYTE:
type_str = "byte";
break;
case DDI_PROP_TYPE_STRING:
type_str = "string";
break;
}
if (type_str != NULL)
mdb_printf("type=%s", type_str);
else
mdb_printf("type=0x%x", type);
}
static void
devinfo_print_props_value(int elem_size, int nelem,
unsigned char *prop_value, int prop_value_len)
{
int i;
mdb_printf("value=");
if (elem_size == 0) {
/* if elem_size == 0, then we are printing out string(s) */
char *p = (char *)prop_value;
for (i = 0; i < nelem - 1; i++) {
mdb_printf("'%s' + ", p);
p += strlen(p) + 1;
}
mdb_printf("'%s'", p);
} else {
/*
* if elem_size != 0 then we are printing out an array
* where each element is of elem_size
*/
mdb_nhconvert(prop_value, prop_value, elem_size);
mdb_printf("%02x", *prop_value);
for (i = 1; i < prop_value_len; i++) {
if ((i % elem_size) == 0) {
mdb_nhconvert(&prop_value[i],
&prop_value[i], elem_size);
mdb_printf(".");
}
mdb_printf("%02x", prop_value[i]);
}
}
}
/*
* devinfo_print_props_guess()
* Guesses how to interpret the value of the property
*
* Params:
* type - Should be the type value of the property
* prop_val - Pointer to the property value data buffer
* prop_len - Length of the property value data buffer
*
* Return values:
* nelem - The number of elements stored in the property value
* data buffer pointed to by prop_val.
* elem_size - The size (in bytes) of the elements stored in the property
* value data buffer pointed to by prop_val.
* Upon return if elem_size == 0 and nelem != 0 then
* the property value data buffer contains strings
* len_err - There was an error with the length of the data buffer.
* Its size is not a multiple of the array value type.
* It will be interpreted as an array of bytes.
*/
static void
devinfo_print_props_guess(int type, unsigned char *prop_val, int prop_len,
int *elem_size, int *nelem, int *len_err)
{
*len_err = 0;
if (prop_len == NULL) {
*elem_size = 0;
*nelem = 0;
return;
}
/* by default, assume an array of bytes */
*elem_size = 1;
*nelem = prop_len;
switch (type) {
case DDI_PROP_TYPE_BYTE:
/* default case, that was easy */
break;
case DDI_PROP_TYPE_INT64:
if ((prop_len % sizeof (int64_t)) == 0) {
*elem_size = sizeof (int64_t);
*nelem = prop_len / *elem_size;
} else {
/* array is not a multiple of type size, error */
*len_err = 1;
}
break;
case DDI_PROP_TYPE_INT:
if ((prop_len % sizeof (int)) == 0) {
*elem_size = sizeof (int);
*nelem = prop_len / *elem_size;
} else {
/* array is not a multiple of type size, error */
*len_err = 1;
}
break;
case DDI_PROP_TYPE_STRING:
case DDI_PROP_TYPE_COMPOSITE:
case DDI_PROP_TYPE_ANY:
default:
/*
* if we made it here the type is either unknown
* or a string. Try to interpret is as a string
* and if that fails assume an array of bytes.
*/
if (prop_val[prop_len - 1] == '\0') {
unsigned char *s = prop_val;
int i;
/* assume an array of strings */
*elem_size = 0;
*nelem = 0;
for (i = 0; i < prop_len; i++) {
if (prop_val[i] != '\0')
continue;
/*
* If the property is typed as a string
* property, then interpret empty strings
* as strings. Otherwise default to an
* array of bytes. If there are unprintable
* characters, always default to an array of
* bytes.
*/
if ((*s == '\0' && type !=
DDI_PROP_TYPE_STRING) ||
!is_printable_string(s)) {
*elem_size = 1;
*nelem = prop_len;
break;
}
(*nelem)++;
s = &prop_val[i + 1];
}
}
break;
}
}
static void
devinfo_print_props(char *name, ddi_prop_t *p)
{
if (p == NULL)
return;
if (name != NULL)
mdb_printf("%s ", name);
mdb_printf("properties at %p:\n", p);
mdb_inc_indent(DEVINFO_PROP_INDENT);
while (p != NULL) {
ddi_prop_t prop;
char prop_name[128];
unsigned char *prop_value;
int type, elem_size, nelem, prop_len_error;
/* read in the property struct */
if (mdb_vread(&prop, sizeof (prop), (uintptr_t)p) == -1) {
mdb_warn("could not read property at 0x%p", p);
break;
}
/* print the property name */
if (mdb_readstr(prop_name, sizeof (prop_name),
(uintptr_t)prop.prop_name) == -1) {
mdb_warn("could not read property name at 0x%p",
prop.prop_name);
goto next;
}
mdb_printf("name='%s' ", prop_name);
/* get the property type and print it out */
type = (prop.prop_flags & DDI_PROP_TYPE_MASK);
devinfo_print_props_type(type);
/* get the property value */
if (prop.prop_len > 0) {
prop_value = mdb_alloc(prop.prop_len, UM_SLEEP|UM_GC);
if (mdb_vread(prop_value, prop.prop_len,
(uintptr_t)prop.prop_val) == -1) {
mdb_warn("could not read property value at "
"0x%p", prop.prop_val);
goto next;
}
} else {
prop_value = NULL;
}
/* take a guess at interpreting the property value */
devinfo_print_props_guess(type, prop_value, prop.prop_len,
&elem_size, &nelem, &prop_len_error);
/* print out the number ot items */
mdb_printf(" items=%d", nelem);
/* print out any associated device information */
if (prop.prop_dev != DDI_DEV_T_NONE) {
mdb_printf(" dev=");
if (prop.prop_dev == DDI_DEV_T_ANY)
mdb_printf("any");
else if (prop.prop_dev == DDI_MAJOR_T_UNKNOWN)
mdb_printf("unknown");
else
mdb_printf("(%u,%u)",
getmajor(prop.prop_dev),
getminor(prop.prop_dev));
}
/* print out the property value */
if (prop_value != NULL) {
mdb_printf("\n");
mdb_inc_indent(DEVINFO_PROP_INDENT);
if (prop_len_error)
mdb_printf("NOTE: prop length is not a "
"multiple of element size\n");
devinfo_print_props_value(elem_size, nelem,
prop_value, prop.prop_len);
mdb_dec_indent(DEVINFO_PROP_INDENT);
}
next:
mdb_printf("\n");
p = prop.prop_next;
}
mdb_dec_indent(DEVINFO_PROP_INDENT);
}
static void
devinfo_pathinfo_state(mdi_pathinfo_state_t state) {
char *type_str = NULL;
switch (state) {
case MDI_PATHINFO_STATE_INIT:
type_str = "init";
break;
case MDI_PATHINFO_STATE_ONLINE:
type_str = "online";
break;
case MDI_PATHINFO_STATE_STANDBY:
type_str = "standby";
break;
case MDI_PATHINFO_STATE_FAULT:
type_str = "fault";
break;
case MDI_PATHINFO_STATE_OFFLINE:
type_str = "offline";
break;
}
if (type_str != NULL)
mdb_printf("state=%s\n", type_str);
else
mdb_printf("state=0x%x\n", state);
}
static void
devinfo_print_pathing(int mdi_component, void *mdi_client) {
mdi_client_t mdi_c;
struct mdi_pathinfo *pip;
/* we only print out multipathing info for client nodes */
if ((mdi_component & MDI_COMPONENT_CLIENT) == 0)
return;
mdb_printf("Client multipath info at: 0x%p\n", mdi_client);
mdb_inc_indent(DEVINFO_PROP_INDENT);
/* read in the client multipathing info */
if (mdb_readstr((void*) &mdi_c, sizeof (mdi_c),
(uintptr_t)mdi_client) == -1) {
mdb_warn("failed to read mdi_client at %p",
(uintptr_t)mdi_client);
goto exit;
}
/*
* walk through the clients list of pathinfo structures and print
* out the properties for each path
*/
pip = (struct mdi_pathinfo *)mdi_c.ct_path_head;
while (pip != NULL) {
char binding_name[128];
struct mdi_pathinfo pi;
mdi_phci_t ph;
struct dev_info ph_di;
/* read in the pathinfo structure */
if (mdb_vread((void*)&pi, sizeof (pi),
(uintptr_t)pip) == -1) {
mdb_warn("failed to read mdi_pathinfo at %p",
(uintptr_t)pip);
goto exit;
}
/* read in the pchi (path host adapter) info */
if (mdb_vread((void*)&ph, sizeof (ph),
(uintptr_t)pi.pi_phci) == -1) {
mdb_warn("failed to read mdi_pchi at %p",
(uintptr_t)pi.pi_phci);
goto exit;
}
/* read in the dip of the phci so we can get it's name */
if (mdb_vread((void*)&ph_di, sizeof (ph_di),
(uintptr_t)ph.ph_dip) == -1) {
mdb_warn("failed to read mdi_pchi at %p",
(uintptr_t)ph.ph_dip);
goto exit;
}
if (mdb_vread(binding_name, sizeof (binding_name),
(uintptr_t)ph_di.devi_binding_name) == -1) {
mdb_warn("failed to read binding_name at %p",
(uintptr_t)ph_di.devi_binding_name);
goto exit;
}
mdb_printf("%s#%d, ", binding_name, ph_di.devi_instance);
devinfo_pathinfo_state(pi.pi_state);
/* print out the pathing info */
mdb_inc_indent(DEVINFO_PROP_INDENT);
if (mdb_pwalk_dcmd(NVPAIR_WALKER_FQNAME, NVPAIR_DCMD_FQNAME,
0, NULL, (uintptr_t)pi.pi_prop) != 0) {
mdb_dec_indent(DEVINFO_PROP_INDENT);
goto exit;
}
mdb_dec_indent(DEVINFO_PROP_INDENT);
pip = pi.pi_client_link;
}
exit:
mdb_dec_indent(DEVINFO_PROP_INDENT);
}
static int
devinfo_print(uintptr_t addr, struct dev_info *dev, devinfo_cb_data_t *data)
{
/*
* We know the walker passes us extra data after the dev_info.
*/
char binding_name[128];
char dname[MODMAXNAMELEN + 1];
devinfo_node_t *din = (devinfo_node_t *)dev;
ddi_prop_t *global_props = NULL;
if (mdb_readstr(binding_name, sizeof (binding_name),
(uintptr_t)dev->devi_binding_name) == -1) {
mdb_warn("failed to read binding_name at %p",
(uintptr_t)dev->devi_binding_name);
return (WALK_ERR);
}
/* if there are any global properties, get a pointer to them */
if (dev->devi_global_prop_list != NULL) {
ddi_prop_list_t plist;
if (mdb_vread((void*)&plist, sizeof (plist),
(uintptr_t)dev->devi_global_prop_list) == -1) {
mdb_warn("failed to read global prop_list at %p",
(uintptr_t)dev->devi_global_prop_list);
return (WALK_ERR);
}
global_props = plist.prop_list;
}
mdb_inc_indent(din->din_depth * DEVINFO_TREE_INDENT);
if ((addr == data->di_base) || (data->di_flags & DEVINFO_ALLBOLD))
mdb_printf("%<b>");
mdb_printf("%-0?p %s", addr, binding_name);
if ((addr == data->di_base) || (data->di_flags & DEVINFO_ALLBOLD))
mdb_printf("%</b>");
if (dev->devi_instance >= 0)
mdb_printf(", instance #%d", dev->devi_instance);
if (dev->devi_node_state < DS_ATTACHED)
mdb_printf(" (driver not attached)");
else if (mdb_devinfo2driver(addr, dname, sizeof (dname)) != 0)
mdb_printf(" (could not determine driver name)");
else
mdb_printf(" (driver name: %s)", dname);
mdb_printf("\n");
if (data->di_flags & DEVINFO_VERBOSE) {
mdb_inc_indent(DEVINFO_PROPLIST_INDENT);
devinfo_print_props("System", dev->devi_sys_prop_ptr);
devinfo_print_props("Driver", dev->devi_drv_prop_ptr);
devinfo_print_props("Hardware", dev->devi_hw_prop_ptr);
devinfo_print_props("Global", global_props);
devinfo_print_pathing(dev->devi_mdi_component,
dev->devi_mdi_client);
mdb_dec_indent(DEVINFO_PROPLIST_INDENT);
}
mdb_dec_indent(din->din_depth * DEVINFO_TREE_INDENT);
return (WALK_NEXT);
}
/*ARGSUSED*/
int
prtconf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
devinfo_cb_data_t data;
uintptr_t devinfo_root; /* Address of root of devinfo tree */
int status;
data.di_flags = DEVINFO_PARENT | DEVINFO_CHILD;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, DEVINFO_VERBOSE, &data.di_flags,
'p', MDB_OPT_CLRBITS, DEVINFO_CHILD, &data.di_flags,
'c', MDB_OPT_CLRBITS, DEVINFO_PARENT, &data.di_flags, NULL) != argc)
return (DCMD_USAGE);
if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) {
mdb_warn("failed to read 'top_devinfo'");
return (NULL);
}
if ((flags & DCMD_ADDRSPEC) == 0) {
addr = devinfo_root;
if (data.di_flags & DEVINFO_VERBOSE)
data.di_flags |= DEVINFO_ALLBOLD;
}
data.di_base = addr;
mdb_printf("%<u>%-?s %-50s%</u>\n", "DEVINFO", "NAME");
if ((data.di_flags & (DEVINFO_PARENT | DEVINFO_CHILD)) ==
(DEVINFO_PARENT | DEVINFO_CHILD)) {
status = mdb_pwalk("devinfo",
(mdb_walk_cb_t)devinfo_print, &data, addr);
} else if (data.di_flags & DEVINFO_PARENT) {
status = mdb_pwalk("devinfo_parents",
(mdb_walk_cb_t)devinfo_print, &data, addr);
} else if (data.di_flags & DEVINFO_CHILD) {
status = mdb_pwalk("devinfo_children",
(mdb_walk_cb_t)devinfo_print, &data, addr);
} else {
devinfo_node_t din;
if (mdb_vread(&din.din_dev, sizeof (din.din_dev), addr) == -1) {
mdb_warn("failed to read device");
return (DCMD_ERR);
}
din.din_depth = 0;
return (devinfo_print(addr, (struct dev_info *)&din, &data));
}
if (status == -1) {
mdb_warn("couldn't walk devinfo tree");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*ARGSUSED*/
int
devinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
char tmpstr[MODMAXNAMELEN];
char nodename[MODMAXNAMELEN];
char bindname[MAXPATHLEN];
int size, length;
struct dev_info devi;
devinfo_node_t din;
devinfo_cb_data_t data;
static const mdb_bitmask_t devi_state_masks[] = {
{ "DEVICE_OFFLINE", DEVI_DEVICE_OFFLINE, DEVI_DEVICE_OFFLINE },
{ "DEVICE_DOWN", DEVI_DEVICE_DOWN, DEVI_DEVICE_DOWN },
{ "DEVICE_DEGRADED", DEVI_DEVICE_DEGRADED, DEVI_DEVICE_DEGRADED },
{ "DEVICE_REMOVED", DEVI_DEVICE_REMOVED, DEVI_DEVICE_REMOVED },
{ "BUS_QUIESCED", DEVI_BUS_QUIESCED, DEVI_BUS_QUIESCED },
{ "BUS_DOWN", DEVI_BUS_DOWN, DEVI_BUS_DOWN },
{ "NDI_CONFIG", DEVI_NDI_CONFIG, DEVI_NDI_CONFIG },
{ "S_ATTACHING", DEVI_S_ATTACHING, DEVI_S_ATTACHING },
{ "S_DETACHING", DEVI_S_DETACHING, DEVI_S_DETACHING },
{ "S_ONLINING", DEVI_S_ONLINING, DEVI_S_ONLINING },
{ "S_OFFLINING", DEVI_S_OFFLINING, DEVI_S_OFFLINING },
{ "S_INVOKING_DACF", DEVI_S_INVOKING_DACF, DEVI_S_INVOKING_DACF },
{ "S_UNBOUND", DEVI_S_UNBOUND, DEVI_S_UNBOUND },
{ "S_REPORT", DEVI_S_REPORT, DEVI_S_REPORT },
{ "S_EVADD", DEVI_S_EVADD, DEVI_S_EVADD },
{ "S_EVREMOVE", DEVI_S_EVREMOVE, DEVI_S_EVREMOVE },
{ "S_NEED_RESET", DEVI_S_NEED_RESET, DEVI_S_NEED_RESET },
{ NULL, 0, 0 }
};
static const mdb_bitmask_t devi_flags_masks[] = {
{ "BUSY", DEVI_BUSY, DEVI_BUSY },
{ "MADE_CHILDREN", DEVI_MADE_CHILDREN, DEVI_MADE_CHILDREN },
{ "ATTACHED_CHILDREN",
DEVI_ATTACHED_CHILDREN, DEVI_ATTACHED_CHILDREN},
{ "BRANCH_HELD", DEVI_BRANCH_HELD, DEVI_BRANCH_HELD },
{ "NO_BIND", DEVI_NO_BIND, DEVI_NO_BIND },
{ "DEVI_REGISTERED_DEVID",
DEVI_REGISTERED_DEVID, DEVI_REGISTERED_DEVID },
{ "PHCI_SIGNALS_VHCI",
DEVI_PHCI_SIGNALS_VHCI,
DEVI_PHCI_SIGNALS_VHCI },
{ "REBIND", DEVI_REBIND, DEVI_REBIND },
{ NULL, 0, 0 }
};
data.di_flags = DEVINFO_VERBOSE;
data.di_base = addr;
if (mdb_getopts(argc, argv,
'q', MDB_OPT_CLRBITS, DEVINFO_VERBOSE, &data.di_flags,
's', MDB_OPT_SETBITS, DEVINFO_SUMMARY, &data.di_flags, NULL)
!= argc)
return (DCMD_USAGE);
if ((flags & DCMD_ADDRSPEC) == 0) {
mdb_warn(
"devinfo doesn't give global information (try prtconf)\n");
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags) && data.di_flags & DEVINFO_SUMMARY)
mdb_printf(
"%-?s %5s %?s %-20s %-s\n"
"%-?s %5s %?s %-20s %-s\n"
"%<u>%-?s %5s %?s %-20s %-15s%</u>\n",
"DEVINFO", "MAJ", "REFCNT", "NODENAME", "NODESTATE",
"", "INST", "CIRCULAR", "BINDNAME", "STATE",
"", "", "THREAD", "", "FLAGS");
if (mdb_vread(&devi, sizeof (devi), addr) == -1) {
mdb_warn("failed to read device");
return (DCMD_ERR);
}
if (data.di_flags & DEVINFO_SUMMARY) {
*nodename = '\0';
size = sizeof (nodename);
if ((length = mdb_readstr(tmpstr, size,
(uintptr_t)devi.devi_node_name)) > 0) {
strcat(nodename, tmpstr);
size -= length;
}
if (devi.devi_addr != NULL && mdb_readstr(tmpstr, size - 1,
(uintptr_t)devi.devi_addr) > 0) {
strcat(nodename, "@");
strcat(nodename, tmpstr);
}
if (mdb_readstr(bindname, sizeof (bindname),
(uintptr_t)devi.devi_binding_name) == -1)
*bindname = '\0';
mdb_printf("%0?p %5d %?d %-20s %s\n",
addr, devi.devi_major, devi.devi_ref, nodename,
di_state[MIN(devi.devi_node_state + 1, DI_STATE_MAX)]);
mdb_printf("%?s %5d %?d %-20s <%b>\n",
"", devi.devi_instance, devi.devi_circular, bindname,
devi.devi_state, devi_state_masks);
mdb_printf("%?s %5s %?p %-20s <%b>\n\n",
"", "", devi.devi_busy_thread, "",
devi.devi_flags, devi_flags_masks);
return (DCMD_OK);
} else {
din.din_dev = devi;
din.din_depth = 0;
return (devinfo_print(addr, (struct dev_info *)&din, &data));
}
}
/*ARGSUSED*/
int
m2d_walk_dinfo(uintptr_t addr, struct dev_info *di, char *mod_name)
{
char name[MODMAXNAMELEN];
if (mdb_readstr(name, MODMAXNAMELEN,
(uintptr_t)di->devi_binding_name) == -1) {
mdb_warn("couldn't read devi_binding_name at %p",
di->devi_binding_name);
return (WALK_ERR);
}
if (strcmp(name, mod_name) == 0)
mdb_printf("%p\n", addr);
return (WALK_NEXT);
}
/*ARGSUSED*/
int
modctl2devinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
struct modctl modctl;
char name[MODMAXNAMELEN];
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&modctl, sizeof (modctl), addr) == -1) {
mdb_warn("couldn't read modctl at %p", addr);
return (DCMD_ERR);
}
if (mdb_readstr(name, MODMAXNAMELEN,
(uintptr_t)modctl.mod_modname) == -1) {
mdb_warn("couldn't read modname at %p", modctl.mod_modname);
return (DCMD_ERR);
}
if (mdb_walk("devinfo", (mdb_walk_cb_t)m2d_walk_dinfo, name) == -1) {
mdb_warn("couldn't walk devinfo");
return (DCMD_ERR);
}
return (DCMD_OK);
}
static int
major_to_addr(major_t major, uintptr_t *vaddr)
{
uint_t devcnt;
uintptr_t devnamesp;
if (mdb_readvar(&devcnt, "devcnt") == -1) {
mdb_warn("failed to read 'devcnt'");
return (-1);
}
if (mdb_readvar(&devnamesp, "devnamesp") == -1) {
mdb_warn("failed to read 'devnamesp'");
return (-1);
}
if (major >= devcnt) {
mdb_warn("%x is out of range [0x0-0x%x]\n", major, devcnt - 1);
return (-1);
}
*vaddr = devnamesp + (major * sizeof (struct devnames));
return (0);
}
/*ARGSUSED*/
int
devnames(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
static const mdb_bitmask_t dn_flag_bits[] = {
{ "DN_CONF_PARSED", DN_CONF_PARSED, DN_CONF_PARSED },
{ "DN_DRIVER_BUSY", DN_DRIVER_BUSY, DN_DRIVER_BUSY },
{ "DN_DRIVER_HELD", DN_DRIVER_HELD, DN_DRIVER_HELD },
{ "DN_TAKEN_GETUDEV", DN_TAKEN_GETUDEV, DN_TAKEN_GETUDEV },
{ "DN_DRIVER_REMOVED", DN_DRIVER_REMOVED, DN_DRIVER_REMOVED},
{ "DN_FORCE_ATTACH", DN_FORCE_ATTACH, DN_FORCE_ATTACH},
{ "DN_LEAF_DRIVER", DN_LEAF_DRIVER, DN_LEAF_DRIVER},
{ "DN_NETWORK_DRIVER", DN_NETWORK_DRIVER, DN_NETWORK_DRIVER},
{ "DN_NO_AUTODETACH", DN_NO_AUTODETACH, DN_NO_AUTODETACH },
{ "DN_GLDV3_DRIVER", DN_GLDV3_DRIVER, DN_GLDV3_DRIVER},
{ "DN_PHCI_DRIVER", DN_PHCI_DRIVER, DN_PHCI_DRIVER},
{ "DN_OPEN_RETURNS_EINTR", \
DN_OPEN_RETURNS_EINTR, DN_OPEN_RETURNS_EINTR},
{ "DN_SCSI_SIZE_CLEAN", DN_SCSI_SIZE_CLEAN, DN_SCSI_SIZE_CLEAN},
{ "DN_NETWORK_PHYSDRIVER", \
DN_NETWORK_PHYSDRIVER, DN_NETWORK_PHYSDRIVER},
{ NULL, 0, 0 }
};
const mdb_arg_t *argp = NULL;
uint_t opt_v = FALSE, opt_m = FALSE;
major_t major;
size_t i;
char name[MODMAXNAMELEN + 1];
struct devnames dn;
if ((i = mdb_getopts(argc, argv,
'm', MDB_OPT_SETBITS, TRUE, &opt_m,
'v', MDB_OPT_SETBITS, TRUE, &opt_v,
NULL)) != argc) {
if (argc - i > 1)
return (DCMD_USAGE);
argp = &argv[i];
}
if (opt_m) {
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (major_to_addr(addr, &addr) == -1)
return (DCMD_ERR);
} else if (!(flags & DCMD_ADDRSPEC)) {
if (argp == NULL) {
if (mdb_walk_dcmd("devnames", "devnames", argc, argv)) {
mdb_warn("failed to walk devnames");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (argp->a_type == MDB_TYPE_IMMEDIATE)
major = (major_t)argp->a_un.a_val;
else
major = (major_t)mdb_strtoull(argp->a_un.a_str);
if (major_to_addr(major, &addr) == -1)
return (DCMD_ERR);
}
if (mdb_vread(&dn, sizeof (struct devnames), addr) == -1) {
mdb_warn("failed to read devnames struct at %p", addr);
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags)) {
if (opt_v)
mdb_printf("%<u>%-16s%</u>\n", "NAME");
else
mdb_printf("%<u>%-16s %-?s%</u>\n", "NAME", "DN_HEAD");
}
if ((flags & DCMD_LOOP) && (dn.dn_name == NULL))
return (DCMD_OK); /* Skip empty slots if we're printing table */
if (mdb_readstr(name, sizeof (name), (uintptr_t)dn.dn_name) == -1)
(void) mdb_snprintf(name, sizeof (name), "0x%p", dn.dn_name);
if (opt_v) {
ddi_prop_list_t prop_list;
mdb_printf("%<b>%-16s%</b>\n", name);
mdb_inc_indent(2);
mdb_printf(" flags %b\n", dn.dn_flags, dn_flag_bits);
mdb_printf(" pl %p\n", (void *)dn.dn_pl);
mdb_printf(" head %p\n", dn.dn_head);
mdb_printf(" instance %d\n", dn.dn_instance);
mdb_printf(" inlist %p\n", dn.dn_inlist);
mdb_printf("global_prop_ptr %p\n", dn.dn_global_prop_ptr);
if (mdb_vread(&prop_list, sizeof (ddi_prop_list_t),
(uintptr_t)dn.dn_global_prop_ptr) != -1) {
devinfo_print_props(NULL, prop_list.prop_list);
}
mdb_dec_indent(2);
} else
mdb_printf("%-16s %-?p\n", name, dn.dn_head);
return (DCMD_OK);
}
/*ARGSUSED*/
int
name2major(uintptr_t vaddr, uint_t flags, int argc, const mdb_arg_t *argv)
{
major_t major;
if (flags & DCMD_ADDRSPEC)
return (DCMD_USAGE);
if (argc != 1 || argv->a_type != MDB_TYPE_STRING)
return (DCMD_USAGE);
if (mdb_name_to_major(argv->a_un.a_str, &major) != 0) {
mdb_warn("failed to convert name to major number\n");
return (DCMD_ERR);
}
mdb_printf("0x%x\n", major);
return (DCMD_OK);
}
/*
* Get a numerical argument of a dcmd from addr if an address is specified
* or from argv if no address is specified. Return the argument in ret.
*/
static int
getarg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv,
uintptr_t *ret)
{
if (argc == 0 && (flags & DCMD_ADDRSPEC)) {
*ret = addr;
} else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) {
*ret = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ?
(uintptr_t)argv[0].a_un.a_val :
(uintptr_t)mdb_strtoull(argv->a_un.a_str);
} else {
return (-1);
}
return (0);
}
/*ARGSUSED*/
int
major2name(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t major;
const char *name;
if (getarg(addr, flags, argc, argv, &major) < 0)
return (DCMD_USAGE);
if ((name = mdb_major_to_name((major_t)major)) == NULL) {
mdb_warn("failed to convert major number to name\n");
return (DCMD_ERR);
}
mdb_printf("%s\n", name);
return (DCMD_OK);
}
/*ARGSUSED*/
int
dev2major(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t dev;
if (getarg(addr, flags, argc, argv, &dev) < 0)
return (DCMD_USAGE);
if (flags & DCMD_PIPE_OUT)
mdb_printf("%x\n", getmajor(dev));
else
mdb_printf("0x%x (0t%d)\n", getmajor(dev), getmajor(dev));
return (DCMD_OK);
}
/*ARGSUSED*/
int
dev2minor(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t dev;
if (getarg(addr, flags, argc, argv, &dev) < 0)
return (DCMD_USAGE);
if (flags & DCMD_PIPE_OUT)
mdb_printf("%x\n", getminor(dev));
else
mdb_printf("0x%x (0t%d)\n", getminor(dev), getminor(dev));
return (DCMD_OK);
}
/*ARGSUSED*/
int
devt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t dev;
if (getarg(addr, flags, argc, argv, &dev) < 0)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%10s%</u> %<u>%10s%</u>\n", "MAJOR",
"MINOR");
}
mdb_printf("%10d %10d\n", getmajor(dev), getminor(dev));
return (DCMD_OK);
}
/*ARGSUSED*/
int
softstate(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t statep;
int instance;
if (argc != 1) {
return (DCMD_USAGE);
}
if (argv[0].a_type == MDB_TYPE_IMMEDIATE)
instance = argv[0].a_un.a_val;
else
instance = mdb_strtoull(argv->a_un.a_str);
if (mdb_get_soft_state_byaddr(addr, instance, &statep, NULL, 0) == -1) {
if (errno == ENOENT) {
mdb_warn("instance %d unused\n", instance);
} else {
mdb_warn("couldn't determine softstate for "
"instance %d", instance);
}
return (DCMD_ERR);
}
mdb_printf("%p\n", statep);
return (DCMD_OK);
}
/*
* Walker for all possible pointers to a driver state struct in an
* i_ddi_soft_state instance chain. Returns all non-NULL pointers.
*/
typedef struct soft_state_walk {
struct i_ddi_soft_state ssw_ss; /* Local copy of i_ddi_soft_state */
void **ssw_pointers; /* to driver state structs */
uint_t ssw_index; /* array entry we're using */
} soft_state_walk_t;
int
soft_state_walk_init(mdb_walk_state_t *wsp)
{
soft_state_walk_t *sst;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
sst = mdb_zalloc(sizeof (soft_state_walk_t), UM_SLEEP|UM_GC);
wsp->walk_data = sst;
if (mdb_vread(&(sst->ssw_ss), sizeof (sst->ssw_ss), wsp->walk_addr) !=
sizeof (sst->ssw_ss)) {
mdb_warn("failed to read i_ddi_soft_state at %p",
wsp->walk_addr);
return (WALK_ERR);
}
/* Read array of pointers to state structs into local storage. */
sst->ssw_pointers = mdb_alloc((sst->ssw_ss.n_items * sizeof (void *)),
UM_SLEEP|UM_GC);
if (mdb_vread(sst->ssw_pointers, (sst->ssw_ss.n_items *
sizeof (void *)), (uintptr_t)sst->ssw_ss.array) !=
(sst->ssw_ss.n_items * sizeof (void *))) {
mdb_warn("failed to read i_ddi_soft_state at %p",
wsp->walk_addr);
return (WALK_ERR);
}
sst->ssw_index = 0;
return (WALK_NEXT);
}
int
soft_state_walk_step(mdb_walk_state_t *wsp)
{
soft_state_walk_t *sst = (soft_state_walk_t *)wsp->walk_data;
int status = WALK_NEXT;
/*
* If the entry indexed has a valid pointer to a soft state struct,
* invoke caller's callback func.
*/
if (sst->ssw_pointers[sst->ssw_index] != NULL) {
status = wsp->walk_callback(
(uintptr_t)(sst->ssw_pointers[sst->ssw_index]), NULL,
wsp->walk_cbdata);
}
sst->ssw_index += 1;
if (sst->ssw_index == sst->ssw_ss.n_items)
return (WALK_DONE);
return (status);
}
int
soft_state_all_walk_step(mdb_walk_state_t *wsp)
{
soft_state_walk_t *sst = (soft_state_walk_t *)wsp->walk_data;
int status = WALK_NEXT;
status = wsp->walk_callback(
(uintptr_t)(sst->ssw_pointers[sst->ssw_index]), NULL,
wsp->walk_cbdata);
sst->ssw_index += 1;
if (sst->ssw_index == sst->ssw_ss.n_items)
return (WALK_DONE);
return (status);
}
/*ARGSUSED*/
int
devbindings(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
const mdb_arg_t *arg;
struct devnames dn;
uintptr_t dn_addr;
major_t major;
if (!(flags & DCMD_ADDRSPEC) && argc < 1)
return (DCMD_USAGE);
if (flags & DCMD_ADDRSPEC) {
/*
* If there's an address, then it's a major number
*/
major = addr;
} else {
/*
* We interpret the last argument. Any other arguments are
* forwarded to "devinfo"
*/
arg = &argv[argc - 1];
argc--;
if (arg->a_type == MDB_TYPE_IMMEDIATE) {
major = (uintptr_t)arg->a_un.a_val;
} else if (arg->a_un.a_str[0] == '-') {
/* the argument shouldn't be an option */
return (DCMD_USAGE);
} else if (isdigit(arg->a_un.a_str[0])) {
major = (uintptr_t)mdb_strtoull(arg->a_un.a_str);
} else {
if (mdb_name_to_major(arg->a_un.a_str, &major) != 0) {
mdb_warn("failed to get major number for %s\n",
arg->a_un.a_str);
return (DCMD_ERR);
}
}
}
if (major_to_addr(major, &dn_addr) != 0)
return (DCMD_ERR);
if (mdb_vread(&dn, sizeof (struct devnames), dn_addr) == -1) {
mdb_warn("couldn't read devnames array at %p", dn_addr);
return (DCMD_ERR);
}
if (mdb_pwalk_dcmd("devi_next", "devinfo", argc, argv,
(uintptr_t)dn.dn_head) != 0) {
mdb_warn("couldn't walk the devinfo chain at %p", dn.dn_head);
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*
* walk binding hashtable (as of of driver names (e.g., mb_hashtab))
*/
int
binding_hash_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL)
return (WALK_ERR);
wsp->walk_data = mdb_alloc(sizeof (void *) * MOD_BIND_HASHSIZE,
UM_SLEEP|UM_GC);
if (mdb_vread(wsp->walk_data, sizeof (void *) * MOD_BIND_HASHSIZE,
wsp->walk_addr) == -1) {
mdb_warn("failed to read mb_hashtab");
return (WALK_ERR);
}
wsp->walk_arg = 0; /* index into mb_hashtab array to start */
return (WALK_NEXT);
}
int
binding_hash_walk_step(mdb_walk_state_t *wsp)
{
int status;
uintptr_t bind_p;
struct bind bind;
/*
* Walk the singly-linked list of struct bind
*/
bind_p = ((uintptr_t *)wsp->walk_data)[(ulong_t)wsp->walk_arg];
while (bind_p != NULL) {
if (mdb_vread(&bind, sizeof (bind), bind_p) == -1) {
mdb_warn("failed to read bind struct at %p",
wsp->walk_addr);
return (WALK_ERR);
}
if ((status = wsp->walk_callback(bind_p, &bind,
wsp->walk_cbdata)) != WALK_NEXT) {
return (status);
}
bind_p = (uintptr_t)bind.b_next;
}
wsp->walk_arg = (void *)((char *)wsp->walk_arg + 1);
if (wsp->walk_arg == (void *)(MOD_BIND_HASHSIZE - 1))
return (WALK_DONE);
return (WALK_NEXT);
}
/*ARGSUSED*/
int
binding_hash_entry(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
struct bind bind;
/* Arbitrary lengths based on output format below */
char name[MAXPATHLEN] = "???";
char bind_name[MAXPATHLEN] = "<null>";
if ((flags & DCMD_ADDRSPEC) == NULL)
return (DCMD_USAGE);
/* Allow null addresses to be passed (as from a walker) */
if (addr == NULL)
return (DCMD_OK);
if (mdb_vread(&bind, sizeof (bind), addr) == -1) {
mdb_warn("failed to read struct bind at %p", addr);
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s% %-5s %s%</u>\n",
"NEXT", "MAJOR", "NAME(S)");
}
if (mdb_readstr(name, sizeof (name), (uintptr_t)bind.b_name) == -1)
mdb_warn("failed to read 'name'");
/* There may be bind_name, so this may fail */
if (mdb_readstr(bind_name, sizeof (bind_name),
(uintptr_t)bind.b_bind_name) == -1) {
mdb_printf("%?p %5d %s\n",
bind.b_next, bind.b_num, name);
} else {
mdb_printf("%?p %5d %s %s\n",
bind.b_next, bind.b_num, name, bind_name);
}
return (DCMD_OK);
}
typedef struct devinfo_audit_log_walk_data {
devinfo_audit_t dil_buf; /* buffer of last entry */
uintptr_t dil_base; /* starting address of log buffer */
int dil_max; /* maximum index */
int dil_start; /* starting index */
int dil_index; /* current walking index */
} devinfo_audit_log_walk_data_t;
int
devinfo_audit_log_walk_init(mdb_walk_state_t *wsp)
{
devinfo_log_header_t header;
devinfo_audit_log_walk_data_t *dil;
uintptr_t devinfo_audit_log;
/* read in devinfo_log_header structure */
if (mdb_readvar(&devinfo_audit_log, "devinfo_audit_log") == -1) {
mdb_warn("failed to read 'devinfo_audit_log'");
return (WALK_ERR);
}
if (mdb_vread(&header, sizeof (devinfo_log_header_t),
devinfo_audit_log) == -1) {
mdb_warn("couldn't read devinfo_log_header at %p",
devinfo_audit_log);
return (WALK_ERR);
}
dil = mdb_zalloc(sizeof (devinfo_audit_log_walk_data_t), UM_SLEEP);
wsp->walk_data = dil;
dil->dil_start = dil->dil_index = header.dh_curr;
dil->dil_max = header.dh_max;
if (dil->dil_start < 0) /* no log entries */
return (WALK_DONE);
dil->dil_base = devinfo_audit_log +
offsetof(devinfo_log_header_t, dh_entry);
wsp->walk_addr = dil->dil_base +
dil->dil_index * sizeof (devinfo_audit_t);
return (WALK_NEXT);
}
int
devinfo_audit_log_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr = wsp->walk_addr;
devinfo_audit_log_walk_data_t *dil = wsp->walk_data;
devinfo_audit_t *da = &dil->dil_buf;
int status = WALK_NEXT;
/* read in current entry and invoke callback */
if (addr == NULL)
return (WALK_DONE);
if (mdb_vread(&dil->dil_buf, sizeof (devinfo_audit_t), addr) == -1) {
mdb_warn("failed to read devinfo_audit at %p", addr);
status = WALK_DONE;
}
status = wsp->walk_callback(wsp->walk_addr, da, wsp->walk_cbdata);
/* step to the previous log entry in time */
if (--dil->dil_index < 0)
dil->dil_index += dil->dil_max;
if (dil->dil_index == dil->dil_start) {
wsp->walk_addr = NULL;
return (WALK_DONE);
}
wsp->walk_addr = dil->dil_base +
dil->dil_index * sizeof (devinfo_audit_t);
return (status);
}
void
devinfo_audit_log_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (devinfo_audit_log_walk_data_t));
}
/*
* display devinfo_audit_t stack trace
*/
/*ARGSUSED*/
int
devinfo_audit(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t verbose = FALSE;
devinfo_audit_t da;
int i, depth;
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags)) {
mdb_printf(" %-?s %16s %-?s %-?s %5s\n",
"AUDIT", "TIMESTAMP", "THREAD", "DEVINFO", "STATE");
}
if (mdb_vread(&da, sizeof (da), addr) == -1) {
mdb_warn("couldn't read devinfo_audit at %p", addr);
return (DCMD_ERR);
}
mdb_printf(" %0?p %16llx %0?p %0?p %s\n",
addr, da.da_timestamp, da.da_thread, da.da_devinfo,
di_state[MIN(da.da_node_state + 1, DI_STATE_MAX)]);
if (!verbose)
return (DCMD_OK);
mdb_inc_indent(4);
/*
* Guard against bogus da_depth in case the devinfo_audit_t
* is corrupt or the address does not really refer to a
* devinfo_audit_t.
*/
depth = MIN(da.da_depth, DDI_STACK_DEPTH);
for (i = 0; i < depth; i++)
mdb_printf("%a\n", da.da_stack[i]);
mdb_printf("\n");
mdb_dec_indent(4);
return (DCMD_OK);
}
int
devinfo_audit_log(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
if (flags & DCMD_ADDRSPEC)
return (devinfo_audit(addr, flags, argc, argv));
(void) mdb_walk_dcmd("devinfo_audit_log", "devinfo_audit", argc, argv);
return (DCMD_OK);
}
typedef struct devinfo_audit_node_walk_data {
devinfo_audit_t dih_buf; /* buffer of last entry */
uintptr_t dih_dip; /* address of dev_info */
int dih_on_devinfo; /* devi_audit on dev_info struct */
} devinfo_audit_node_walk_data_t;
int
devinfo_audit_node_walk_init(mdb_walk_state_t *wsp)
{
devinfo_audit_node_walk_data_t *dih;
devinfo_audit_t *da;
struct dev_info devi;
uintptr_t addr = wsp->walk_addr;
/* read in devinfo structure */
if (mdb_vread(&devi, sizeof (struct dev_info), addr) == -1) {
mdb_warn("couldn't read dev_info at %p", addr);
return (WALK_ERR);
}
dih = mdb_zalloc(sizeof (devinfo_audit_node_walk_data_t), UM_SLEEP);
wsp->walk_data = dih;
da = &dih->dih_buf;
/* read in devi_audit structure */
if (mdb_vread(da, sizeof (devinfo_audit_t), (uintptr_t)devi.devi_audit)
== -1) {
mdb_warn("couldn't read devi_audit at %p", devi.devi_audit);
return (WALK_ERR);
}
dih->dih_dip = addr;
dih->dih_on_devinfo = 1;
wsp->walk_addr = (uintptr_t)devi.devi_audit;
return (WALK_NEXT);
}
int
devinfo_audit_node_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr;
devinfo_audit_node_walk_data_t *dih = wsp->walk_data;
devinfo_audit_t *da = &dih->dih_buf;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
(void) wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata);
skip:
/* read in previous entry */
if ((addr = (uintptr_t)da->da_lastlog) == 0)
return (WALK_DONE);
if (mdb_vread(&dih->dih_buf, sizeof (devinfo_audit_t), addr) == -1) {
mdb_warn("failed to read devinfo_audit at %p", addr);
return (WALK_DONE);
}
/* check if last log was over-written */
if ((uintptr_t)da->da_devinfo != dih->dih_dip)
return (WALK_DONE);
/*
* skip the first common log entry, which is a duplicate of
* the devi_audit buffer on the dev_info structure
*/
if (dih->dih_on_devinfo) {
dih->dih_on_devinfo = 0;
goto skip;
}
wsp->walk_addr = addr;
return (WALK_NEXT);
}
void
devinfo_audit_node_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (devinfo_audit_node_walk_data_t));
}
int
devinfo_audit_node(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
(void) mdb_pwalk_dcmd("devinfo_audit_node", "devinfo_audit",
argc, argv, addr);
return (DCMD_OK);
}
/*
* mdb support for per-devinfo fault management data
*/
/*ARGSUSED*/
int
devinfo_fm(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
struct dev_info devi;
struct i_ddi_fmhdl fhdl;
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s IPL CAPS DROP FMCFULL FMCMISS ACCERR "
"DMAERR %?s %?s%</u>\n", "ADDR", "DMACACHE", "ACCCACHE");
}
if (mdb_vread(&devi, sizeof (devi), addr) == -1) {
mdb_warn("failed to read devinfo struct at %p", addr);
return (DCMD_ERR);
}
if (mdb_vread(&fhdl, sizeof (fhdl), (uintptr_t)devi.devi_fmhdl) == -1) {
mdb_warn("failed to read devinfo fm struct at %p",
(uintptr_t)devi.devi_fmhdl);
return (DCMD_ERR);
}
mdb_printf("%?p %3u %c%c%c%c %4llu %7llu %7llu %6llu %6llu %?p %?p\n",
(uintptr_t)devi.devi_fmhdl, fhdl.fh_ibc,
(DDI_FM_EREPORT_CAP(fhdl.fh_cap) ? 'E' : '-'),
(DDI_FM_ERRCB_CAP(fhdl.fh_cap) ? 'C' : '-'),
(DDI_FM_ACC_ERR_CAP(fhdl.fh_cap) ? 'A' : '-'),
(DDI_FM_DMA_ERR_CAP(fhdl.fh_cap) ? 'D' : '-'),
fhdl.fh_kstat.fek_erpt_dropped.value.ui64,
fhdl.fh_kstat.fek_fmc_full.value.ui64,
fhdl.fh_kstat.fek_fmc_miss.value.ui64,
fhdl.fh_kstat.fek_acc_err.value.ui64,
fhdl.fh_kstat.fek_dma_err.value.ui64,
fhdl.fh_dma_cache, fhdl.fh_acc_cache);
return (DCMD_OK);
}
/*ARGSUSED*/
int
devinfo_fmce(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
struct i_ddi_fmc_entry fce;
if ((flags & DCMD_ADDRSPEC) == 0)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s %?s %?s%</u>\n", "ADDR",
"RESOURCE", "BUS_SPECIFIC");
}
if (mdb_vread(&fce, sizeof (fce), addr) == -1) {
mdb_warn("failed to read fm cache struct at %p", addr);
return (DCMD_ERR);
}
mdb_printf("%?p %?p %?p\n",
(uintptr_t)addr, fce.fce_resource, fce.fce_bus_specific);
return (DCMD_OK);
}
int
devinfo_fmc_walk_init(mdb_walk_state_t *wsp)
{
struct i_ddi_fmc fec;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
if (mdb_vread(&fec, sizeof (fec), wsp->walk_addr) == -1) {
mdb_warn("failed to read fm cache at %p", wsp->walk_addr);
return (WALK_ERR);
}
if (fec.fc_head == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)fec.fc_head;
return (WALK_NEXT);
}
int
devinfo_fmc_walk_step(mdb_walk_state_t *wsp)
{
int status;
struct i_ddi_fmc_entry fe;
if (mdb_vread(&fe, sizeof (fe), wsp->walk_addr) == -1) {
mdb_warn("failed to read active fm cache entry at %p",
wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, &fe, wsp->walk_cbdata);
if (fe.fce_next == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)fe.fce_next;
return (status);
}
int
minornode_walk_init(mdb_walk_state_t *wsp)
{
struct dev_info di;
uintptr_t addr = wsp->walk_addr;
if (addr == NULL) {
mdb_warn("a dev_info struct address must be provided\n");
return (WALK_ERR);
}
if (mdb_vread(&di, sizeof (di), wsp->walk_addr) == -1) {
mdb_warn("failed to read dev_info struct at %p", addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)di.devi_minor;
return (WALK_NEXT);
}
int
minornode_walk_step(mdb_walk_state_t *wsp)
{
struct ddi_minor_data md;
uintptr_t addr = wsp->walk_addr;
if (addr == NULL)
return (WALK_DONE);
if (mdb_vread(&md, sizeof (md), addr) == -1) {
mdb_warn("failed to read dev_info struct at %p", addr);
return (WALK_DONE);
}
wsp->walk_addr = (uintptr_t)md.next;
return (wsp->walk_callback(addr, &md, wsp->walk_cbdata));
}
static const char *const md_type[] = {
"DDI_MINOR",
"DDI_ALIAS",
"DDI_DEFAULT",
"DDI_I_PATH",
"?"
};
#define MD_TYPE_MAX ((sizeof (md_type) / sizeof (char *)) - 1)
/*ARGSUSED*/
static int
print_minornode(uintptr_t addr, const void *arg, void *data)
{
char name[128];
char nodetype[128];
char *spectype;
struct ddi_minor_data *mdp = (struct ddi_minor_data *)arg;
if (mdb_readstr(name, sizeof (name), (uintptr_t)mdp->ddm_name) == -1)
*name = '\0';
if (mdb_readstr(nodetype, sizeof (nodetype),
(uintptr_t)mdp->ddm_node_type) == -1)
*nodetype = '\0';
switch (mdp->ddm_spec_type) {
case S_IFCHR: spectype = "c"; break;
case S_IFBLK: spectype = "b"; break;
default: spectype = "?"; break;
}
mdb_printf("%?p %16lx %-4s %-11s %-10s %s\n",
addr, mdp->ddm_dev, spectype, md_type[MIN(mdp->type, MD_TYPE_MAX)],
name, nodetype);
return (WALK_NEXT);
}
/*ARGSUSED*/
int
minornodes(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if (!(flags & DCMD_ADDRSPEC) || argc != 0)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%?s %16s %-4s %-11s %-10s %-16s%</u>\n",
"ADDR", "DEV", "SPEC", "TYPE", "NAME", "NODETYPE");
if (mdb_pwalk("minornode", print_minornode, NULL, addr) == -1) {
mdb_warn("can't walk minornode");
return (DCMD_ERR);
}
return (DCMD_OK);
}