cmd/ldmad/ldma_system.c

49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre/*
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * CDDL HEADER START
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre *
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * The contents of this file are subject to the terms of the
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * Common Development and Distribution License (the "License").
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * You may not use this file except in compliance with the License.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre *
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * or http://www.opensolaris.org/os/licensing.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * See the License for the specific language governing permissions
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * and limitations under the License.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre *
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * When distributing Covered Code, include this CDDL HEADER in each
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * If applicable, add the following below this CDDL HEADER, with the
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * fields enclosed by brackets "[]" replaced with your own identifying
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * information: Portions Copyright [yyyy] [name of copyright owner]
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre *
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * CDDL HEADER END
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre */
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre/*
82629e3015252bf18319ba3815c773df23e21436Mike Christensen * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * Use is subject to license terms.
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre */
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre/*
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre * Logical Domains System Agent
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre */
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include <errno.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <fcntl.h>
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include <libds.h>
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include <stdio.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <stdlib.h>
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include <strings.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <synch.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <thread.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <unistd.h>
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include <sys/utsname.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <sys/mdesc.h>
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include <sys/mdesc_impl.h>
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#include "ldma.h"
82629e3015252bf18319ba3815c773df23e21436Mike Christensen#include "pri.h"
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#define LDMA_MODULE LDMA_NAME_SYSTEM
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#define LDMA_NVERSIONS  (sizeof (ldma_versions) / sizeof (ds_ver_t))
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre#define LDMA_NHANDLERS  (sizeof (ldma_handlers) / sizeof (ldma_msg_handler_t))
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartrestatic ldm_msg_func_t ldma_sys_get_sysinfo;
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic ldm_msg_func_t ldma_sys_get_chassisno;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/* ptr to cached value of chassisno */
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic char *ldma_sys_chassisno = NULL;
82629e3015252bf18319ba3815c773df23e21436Mike Christensenmutex_t ldma_chassisno_lock = DEFAULTMUTEX;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartrestatic ds_ver_t ldma_versions[] = { { 1, 0 } };
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartrestatic ldma_msg_handler_t ldma_handlers[] = {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    { LDMA_MSGSYS_GET_SYSINFO,   LDMA_MSGFLG_ACCESS_ANY,
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        ldma_sys_get_sysinfo },
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    { LDMA_MSGSYS_GET_CHASSISNO, LDMA_MSGFLG_ACCESS_ANY,
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        ldma_sys_get_chassisno }
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre};
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartreldma_agent_info_t ldma_system_info = {
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    LDMA_NAME_SYSTEM,
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    ldma_versions, LDMA_NVERSIONS,
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    ldma_handlers, LDMA_NHANDLERS
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre};
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre/*ARGSUSED*/
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartrestatic ldma_request_status_t
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartreldma_sys_get_sysinfo(ds_ver_t *ver, ldma_message_header_t *request,
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    size_t request_dlen, ldma_message_header_t **replyp, size_t *reply_dlenp)
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre{
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    ldma_message_header_t *reply;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    struct utsname name;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    size_t syslen, nodlen, rellen, maclen, verlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    size_t rlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    char *data;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    int status;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    LDMA_DBG("GET_SYSINFO");
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    if (request->msg_info != 0 || request_dlen != 0) {
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        status = LDMA_REQ_INVALID;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        goto done;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    }
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    if (uname(&name) == -1) {
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        LDMA_DBG("GET_SYSINFO: uname failed with error %d", errno);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        status = LDMA_REQ_FAILED;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        goto done;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    }
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    syslen = strlen(name.sysname) + 1;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    nodlen = strlen(name.nodename) + 1;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    rellen = strlen(name.release) + 1;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    verlen = strlen(name.version) + 1;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    maclen = strlen(name.machine) + 1;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    rlen = syslen + nodlen + rellen + verlen + maclen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    reply = ldma_alloc_result_msg(request, rlen);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    if (reply == NULL) {
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        status = LDMA_REQ_FAILED;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        goto done;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    }
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    reply->msg_info = rlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    data = LDMA_HDR2DATA(reply);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    (void) strcpy(data, name.sysname);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    data += syslen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    (void) strcpy(data, name.nodename);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    data += nodlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    (void) strcpy(data, name.release);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    data += rellen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    (void) strcpy(data, name.version);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    data += verlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    (void) strcpy(data, name.machine);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    LDMA_DBG("GET_SYSINFO: return info=%u, {%s, %s, %s, %s, %s}", rlen,
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        name.sysname, name.nodename, name.release, name.version,
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre        name.machine);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    *replyp = reply;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    *reply_dlenp = rlen;
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    return (LDMA_REQ_COMPLETED);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartredone:
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    LDMA_DBG("GET_SYSINFO: return error %d", status);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre    return (status);
49bfb42b00abac0958a1308f4233e366fd083366Alexandre Chartre}
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/*
82629e3015252bf18319ba3815c773df23e21436Mike Christensen * Wrapper for MD free: need unused size argument.
82629e3015252bf18319ba3815c773df23e21436Mike Christensen */
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/* ARGSUSED */
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic void
82629e3015252bf18319ba3815c773df23e21436Mike Christensenldma_md_free(void *buf, size_t n)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen{
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    free(buf);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen}
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/*
82629e3015252bf18319ba3815c773df23e21436Mike Christensen * Wrapper for MD init: read PRI MD and invoke md_init_intern.
82629e3015252bf18319ba3815c773df23e21436Mike Christensen */
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic md_t *
82629e3015252bf18319ba3815c773df23e21436Mike Christensenldma_md_init()
82629e3015252bf18319ba3815c773df23e21436Mike Christensen{
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    md_t *mdp;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    uint64_t *buf = NULL;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    uint64_t token;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    ssize_t status;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (pri_init() == -1)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        return (NULL);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    status = pri_get(PRI_GET, &token, &buf, malloc, ldma_md_free);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    pri_fini();
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (status == (ssize_t)(-1))
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        return (NULL);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    mdp = md_init_intern(buf, malloc, ldma_md_free);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    return (mdp);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen}
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/*
82629e3015252bf18319ba3815c773df23e21436Mike Christensen * Wrapper for md_fini.  Allow NULL md ptr and free MD buffer.
82629e3015252bf18319ba3815c773df23e21436Mike Christensen */
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic void
82629e3015252bf18319ba3815c773df23e21436Mike Christensenldma_md_fini(void *md)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen{
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    md_impl_t *mdp = (md_impl_t *)md;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (mdp) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        free(mdp->caddr);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        (void) md_fini(md);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen}
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic int
82629e3015252bf18319ba3815c773df23e21436Mike Christensenldma_get_chassis_serialno(char **strp)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen{
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    md_t *mdp;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    mde_cookie_t *component_nodes, rootnode;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    int list_size, ncomponents, num_nodes, i;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    char *component_type, *serialno;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    int rv = 0;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    (void) mutex_lock(&ldma_chassisno_lock);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (ldma_sys_chassisno != NULL) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        *strp = ldma_sys_chassisno;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        (void) mutex_unlock(&ldma_chassisno_lock);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        return (1);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    mdp = ldma_md_init();
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (mdp == NULL) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        (void) mutex_unlock(&ldma_chassisno_lock);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        return (0);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    num_nodes = md_node_count(mdp);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    list_size = num_nodes * sizeof (mde_cookie_t);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    component_nodes = malloc(list_size);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (component_nodes == NULL) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        (void) mutex_unlock(&ldma_chassisno_lock);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        ldma_md_fini(mdp);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        return (0);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    rootnode = md_root_node(mdp);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    ncomponents = md_scan_dag(mdp, rootnode, md_find_name(mdp, "component"),
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        md_find_name(mdp, "fwd"), component_nodes);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    for (i = 0; i < ncomponents; i++) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        if (md_get_prop_str(mdp, component_nodes[i], "type",
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            &component_type))
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            continue;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        if (strcmp(component_type, "chassis") != 0)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            continue;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        if (md_get_prop_str(mdp, component_nodes[i],
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            "serial_number", &serialno) == 0) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            ldma_sys_chassisno = strdup(serialno);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            *strp = ldma_sys_chassisno;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            rv = 1;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            break;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    (void) mutex_unlock(&ldma_chassisno_lock);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    free(component_nodes);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    ldma_md_fini(mdp);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    return (rv);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen}
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen/*ARGSUSED*/
82629e3015252bf18319ba3815c773df23e21436Mike Christensenstatic ldma_request_status_t
82629e3015252bf18319ba3815c773df23e21436Mike Christensenldma_sys_get_chassisno(ds_ver_t *ver, ldma_message_header_t *request,
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    size_t request_dlen, ldma_message_header_t **replyp, size_t *reply_dlenp)
82629e3015252bf18319ba3815c773df23e21436Mike Christensen{
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    ldma_message_header_t *reply;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    char *str;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    size_t rlen;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    char *data;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    int status;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    LDMA_DBG("GET_CHASSISNO");
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (request->msg_info != 0 || request_dlen != 0) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        status = LDMA_REQ_INVALID;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        goto done;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (ldma_get_chassis_serialno(&str) == 0) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        LDMA_DBG("GET_CHASSISNO: ldma_get_chassisno failed "
82629e3015252bf18319ba3815c773df23e21436Mike Christensen            "with error %d", errno);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        status = LDMA_REQ_FAILED;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        goto done;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    rlen = strlen(str) + 1;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    reply = ldma_alloc_result_msg(request, rlen);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    if (reply == NULL) {
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        status = LDMA_REQ_FAILED;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen        goto done;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    }
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    reply->msg_info = rlen;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    data = LDMA_HDR2DATA(reply);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    (void) strcpy(data, str);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    LDMA_DBG("GET_CHASSISNO: return info=%u, {%s}", rlen, str);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    *replyp = reply;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    *reply_dlenp = rlen;
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    return (LDMA_REQ_COMPLETED);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen
82629e3015252bf18319ba3815c773df23e21436Mike Christensendone:
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    LDMA_DBG("GET_CHASSISNO: return error %d", status);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen    return (status);
82629e3015252bf18319ba3815c773df23e21436Mike Christensen}