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/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <mdb/mdb_param.h>
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#include "zone.h"
#include <stddef.h>
#include <sys/zone.h>
#define ZONE_NAMELEN 20
#ifdef _LP64
#define ZONE_PATHLEN 32
#else
#define ZONE_PATHLEN 40
#endif
int
zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
zone_t zn;
char name[ZONE_NAMELEN];
char path[ZONE_PATHLEN];
int len;
if (argc != 0)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("zone", "zone", argc, argv) == -1) {
mdb_warn("can't walk zones");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s %6s %-20s %-s%</u>\n",
"ADDR", "ID", "NAME", "PATH");
}
if (mdb_vread(&zn, sizeof (zone_t), addr) == -1) {
mdb_warn("can't read zone_t structure at %p", addr);
return (DCMD_ERR);
}
len = mdb_readstr(name, ZONE_NAMELEN, (uintptr_t)zn.zone_name);
if (len > 0) {
if (len == ZONE_NAMELEN)
(void) strcpy(&name[len - 4], "...");
} else {
(void) strcpy(name, "??");
}
len = mdb_readstr(path, ZONE_PATHLEN, (uintptr_t)zn.zone_rootpath);
if (len > 0) {
if (len == ZONE_PATHLEN)
(void) strcpy(&path[len - 4], "...");
} else {
(void) strcpy(path, "??");
}
mdb_printf("%0?p %6d %-20s %s\n", addr, zn.zone_id, name, path);
return (DCMD_OK);
}
int
zone_walk_init(mdb_walk_state_t *wsp)
{
GElf_Sym sym;
if (wsp->walk_addr == NULL) {
if (mdb_lookup_by_name("zone_active", &sym) == -1) {
mdb_warn("failed to find 'zone_active'");
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)sym.st_value;
}
if (mdb_layered_walk("list", wsp) == -1) {
mdb_warn("couldn't walk 'list'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
zone_walk_step(mdb_walk_state_t *wsp)
{
return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
wsp->walk_cbdata));
}
int
zsd_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("global walk not supported\n");
return (WALK_ERR);
}
wsp->walk_addr += offsetof(struct zone, zone_zsd);
if (mdb_layered_walk("list", wsp) == -1) {
mdb_warn("couldn't walk 'list'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
zsd_walk_step(mdb_walk_state_t *wsp)
{
return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
wsp->walk_cbdata));
}
/*
* Helper structure used when walking ZSD entries via zsd().
*/
struct zsd_cb_data {
uint_t keygiven; /* Was a key specified (are we */
/* searching for a specific ZSD */
/* entry)? */
zone_key_t key; /* Key of ZSD for which we're looking */
uint_t found; /* Was the specific ZSD entry found? */
uint_t voptgiven; /* Display verbose information? */
};
/*
* Helper function for zsd() that displays information from a single ZSD struct.
* 'datap' must point to a valid zsd_cb_data struct.
*/
/* ARGSUSED */
static int
zsd_print(uintptr_t addrp, const void * datap, void * privatep)
{
struct zsd_entry entry;
struct zsd_cb_data *cbdp;
if (mdb_vread(&entry, sizeof (entry), addrp) == -1) {
mdb_warn("couldn't read zsd_entry at %p", addrp);
return (WALK_ERR);
}
cbdp = (struct zsd_cb_data *)privatep;
/*
* Are we looking for a single entry specified by a key? Then make sure
* that the current ZSD's key is what we're looking for.
*/
if (cbdp->keygiven == TRUE && cbdp->key != entry.zsd_key)
return (WALK_NEXT);
mdb_printf("%?x %0?p %8x\n", entry.zsd_key, entry.zsd_data,
entry.zsd_flags);
if (cbdp->voptgiven == TRUE)
mdb_printf(" Create CB: %a\n Shutdown CB: %a\n"
" Destroy CB: %a\n", entry.zsd_create,
entry.zsd_shutdown, entry.zsd_destroy);
if (cbdp->keygiven == TRUE) {
cbdp->found = TRUE;
return (WALK_DONE);
}
return (WALK_NEXT);
}
int
zsd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
zone_t zone;
const mdb_arg_t *argp;
int argcindex;
struct zsd_cb_data cbd;
char name[ZONE_NAMELEN];
int len;
/*
* Walk all zones if necessary.
*/
if (argc > 2)
return (DCMD_USAGE);
if ((flags & DCMD_ADDRSPEC) == 0) {
if (mdb_walk_dcmd("zone", "zsd", argc, argv) == -1) {
mdb_warn("failed to walk zone\n");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*
* Make sure a zone_t can be read from the specified address.
*/
if (mdb_vread(&zone, sizeof (zone), addr) == -1) {
mdb_warn("couldn't read zone_t at %p", (void *)addr);
return (DCMD_ERR);
}
/*
* Get the optional arguments (key or -v or both). Note that
* mdb_getopts() will not parse a key argument because it is not
* preceded by an option letter. We'll get around this by requiring
* that all options precede the optional key argument.
*/
cbd.keygiven = FALSE;
cbd.voptgiven = FALSE;
if (argc > 0 && (argcindex = mdb_getopts(argc, argv, 'v',
MDB_OPT_SETBITS, TRUE, &cbd.voptgiven, NULL)) != argc) {
/*
* No options may appear after the key.
*/
if (argcindex != argc - 1)
return (DCMD_USAGE);
/*
* The missed argument should be a key.
*/
argp = &argv[argcindex];
if (argp->a_type == MDB_TYPE_IMMEDIATE)
cbd.key = argp->a_un.a_val;
else
cbd.key = mdb_strtoull(argp->a_un.a_str);
cbd.keygiven = TRUE;
cbd.found = FALSE;
}
/*
* Prepare to output the specified zone's ZSD information.
*/
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%-20s %?s %?s %8s%</u>\n", "ZONE", "KEY",
"VALUE", "FLAGS");
len = mdb_readstr(name, ZONE_NAMELEN, (uintptr_t)zone.zone_name);
if (len > 0) {
if (len == ZONE_NAMELEN)
(void) strcpy(&name[len - 4], "...");
} else {
(void) strcpy(name, "??");
}
mdb_printf("%-20s ", name);
/*
* Display the requested ZSD entries.
*/
mdb_inc_indent(21);
if (mdb_pwalk("zsd", zsd_print, &cbd, addr) != 0) {
mdb_warn("failed to walk zsd\n");
mdb_dec_indent(21);
return (DCMD_ERR);
}
if (cbd.keygiven == TRUE && cbd.found == FALSE) {
mdb_printf("no corresponding ZSD entry found\n");
mdb_dec_indent(21);
return (DCMD_ERR);
}
mdb_dec_indent(21);
return (DCMD_OK);
}
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