modules/genunix/fm.c

9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi/*
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * CDDL HEADER START
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi *
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * The contents of this file are subject to the terms of the
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * Common Development and Distribution License (the "License").
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * You may not use this file except in compliance with the License.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi *
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * or http://www.opensolaris.org/os/licensing.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * See the License for the specific language governing permissions
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * and limitations under the License.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi *
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * When distributing Covered Code, include this CDDL HEADER in each
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * If applicable, add the following below this CDDL HEADER, with the
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * fields enclosed by brackets "[]" replaced with your own identifying
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * information: Portions Copyright [yyyy] [name of copyright owner]
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi *
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * CDDL HEADER END
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi */
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi/*
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi * Use is subject to license terms.
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi */
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#pragma ident   "%Z%%M% %I% %E% SMI"
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/types.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/time.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/sysmacros.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/ddifm.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/nvpair.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/nvpair_impl.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/errorq_impl.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/errorq.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <sys/fm/protocol.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <ctype.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <mdb/mdb_modapi.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include <mdb/mdb_ks.h>
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi#include "nvpair.h"
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiint
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiereportq_pend_walk_init(mdb_walk_state_t *wsp)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi{
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_t eq;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uintptr_t addr;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (wsp->walk_addr == NULL &&
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_readvar(&addr, "ereport_errorq") == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereport_errorq");
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&eq, sizeof (eq), addr) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereport_errorq at %p", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (!(eq.eq_flags & ERRORQ_NVLIST)) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("errorq at %p does not service ereports", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    wsp->walk_addr = (uintptr_t)eq.eq_pend;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    return (WALK_NEXT);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi}
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiint
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiereportq_pend_walk_step(mdb_walk_state_t *wsp)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi{
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uintptr_t addr = wsp->walk_addr;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    nvlist_t nvl;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_nvelem_t eqnp;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_elem_t elem;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (addr == NULL)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_DONE);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&elem, sizeof (elem), addr) != sizeof (elem) ||
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_vread(&eqnp, sizeof (eqnp), (uintptr_t)elem.eqe_data)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        != sizeof (eqnp) || mdb_vread(&nvl, sizeof (nvl),
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        (uintptr_t)eqnp.eqn_nvl) != sizeof (nvl)) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereportq element at %p", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    wsp->walk_addr = (uintptr_t)elem.eqe_prev;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    return (wsp->walk_callback((uintptr_t)eqnp.eqn_nvl, &nvl,
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        wsp->walk_cbdata));
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi}
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiint
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiereportq_dump_walk_init(mdb_walk_state_t *wsp)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi{
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_t eq;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uintptr_t addr;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (wsp->walk_addr == NULL &&
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_readvar(&addr, "ereport_errorq") == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereport_errorq");
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&eq, sizeof (eq), addr) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereport_errorq at %p", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (!(eq.eq_flags & ERRORQ_NVLIST)) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("errorq at %p does not service ereports", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    wsp->walk_addr = (uintptr_t)eq.eq_dump;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    return (WALK_NEXT);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi}
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiint
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiereportq_dump_walk_step(mdb_walk_state_t *wsp)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi{
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uintptr_t addr = wsp->walk_addr;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    nvlist_t nvl;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_nvelem_t eqnp;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    errorq_elem_t elem;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (addr == NULL)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_DONE);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&elem, sizeof (elem), addr) != sizeof (elem) ||
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_vread(&eqnp, sizeof (eqnp), (uintptr_t)elem.eqe_data)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        != sizeof (eqnp) || mdb_vread(&nvl, sizeof (nvl),
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        (uintptr_t)eqnp.eqn_nvl) != sizeof (nvl)) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read ereportq element at %p", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (WALK_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    wsp->walk_addr = (uintptr_t)elem.eqe_dump;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    return (wsp->walk_callback((uintptr_t)eqnp.eqn_nvl, &nvl,
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        wsp->walk_cbdata));
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi}
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi/*ARGSUSED*/
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiint
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindiereport(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi{
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    int ret;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uint_t opt_v = 0;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    char *class = NULL;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    uint64_t ena = 0;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    nvlist_t nvl;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    nvpriv_t nvpriv;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    i_nvp_t *nvcur, i_nvp;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (!(flags & DCMD_ADDRSPEC))
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (DCMD_USAGE);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &opt_v) != argc)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (DCMD_USAGE);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&nvl, sizeof (nvl), addr) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read nvlist at %p", addr);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (DCMD_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (DCMD_HDRSPEC(flags) && !opt_v) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_printf("ENA                CLASS\n");
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    /*
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * The following code attempts to pretty print the ereport class
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * and ENA.  The code uses project private macros from libnvpair
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * that could change and break this functionality.  If we are unable
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * to get a valid class and ENA from the nvpair list, we revert to
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * dumping the nvlist (same as opt_v).
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     */
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    if (mdb_vread(&nvpriv, sizeof (nvpriv), nvl.nvl_priv) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        mdb_warn("failed to read nvpriv at %p", nvl.nvl_priv);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        return (DCMD_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    for (nvcur = nvpriv.nvp_list; nvcur != NULL; nvcur = i_nvp.nvi_next) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        nvpair_t *nvp, *nvpair;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        int32_t size;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (opt_v)
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            break;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (mdb_vread(&i_nvp, sizeof (i_nvp), (uintptr_t)nvcur) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            mdb_warn("failed to read i_nvp at %p", nvcur);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            return (DCMD_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        nvp = &i_nvp.nvi_nvp;
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        size = NVP_SIZE(nvp);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (size == 0) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            mdb_warn("nvpair of size zero at %p", nvp);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            return (DCMD_OK);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        /* read in the entire nvpair */
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        nvpair = mdb_alloc(size, UM_SLEEP | UM_GC);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (mdb_vread(nvpair, size, (uintptr_t)&nvcur->nvi_nvp) == -1) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            mdb_warn("failed to read nvpair and data at %p", nvp);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            return (DCMD_ERR);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (strcmp(FM_CLASS, NVP_NAME(nvpair)) == 0 &&
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            NVP_TYPE(nvpair) == DATA_TYPE_STRING && class == NULL) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            char *p = (char *)NVP_VALUE(nvpair);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            class = mdb_zalloc(strlen(p) + 1, UM_SLEEP | UM_GC);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            bcopy(p, class, strlen(p));
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        } else if (strcmp(FM_EREPORT_ENA, NVP_NAME(nvpair)) == 0 &&
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            NVP_TYPE(nvpair) == DATA_TYPE_UINT64 && ena == 0) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            bcopy(NVP_VALUE(nvpair), (char *)&ena,
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi                sizeof (uint64_t));
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        if (class != NULL && ena != 0) {
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            mdb_printf("0x%016llx %s\n", ena, class);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi            return (DCMD_OK);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    }
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    /*
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     * Dump entire nvlist
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi     */
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    ret = mdb_call_dcmd("nvlist", addr, flags | DCMD_ADDRSPEC,
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi        0, argv);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    mdb_printf("\n");
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi    return (ret);
9dd0f810214fdc8e1af881a9a5c4b6927629ff9ecindi}