fs/nfs/nfs_stats.c

/*
 * 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/kstat.h>
#include <sys/zone.h>
#include <sys/kmem.h>
#include <sys/systm.h>

#include <nfs/nfs.h>
#include <nfs/nfs4_kprot.h>

/*
 * Key to retrieve per-zone data corresponding to NFS kstats consumed by
 * nfsstat(1m).
 */
zone_key_t nfsstat_zone_key;

/*
 * Convenience routine to create a named kstat associated with zoneid, named
 * module:0:name:"misc", using the provided template to initialize the names
 * and values of the stats.
 */
static kstat_named_t *
nfsstat_zone_init_common(zoneid_t zoneid, const char *module, int vers,
                const char *name, const kstat_named_t *template,
                size_t template_size)
{
    kstat_t *ksp;
    kstat_named_t *ks_data;

    ks_data = kmem_alloc(template_size, KM_SLEEP);
    bcopy(template, ks_data, template_size);
    if ((ksp = kstat_create_zone(module, vers, name, "misc",
        KSTAT_TYPE_NAMED, template_size / sizeof (kstat_named_t),
        KSTAT_FLAG_VIRTUAL | KSTAT_FLAG_WRITABLE, zoneid)) != NULL) {
        ksp->ks_data = ks_data;
        kstat_install(ksp);
    }
    return (ks_data);
}

/*
 * Convenience routine to remove a kstat in specified zone with name
 * module:0:name.
 */
static void
nfsstat_zone_fini_common(zoneid_t zoneid, const char *module, int vers,
                const char *name)
{
    kstat_delete_byname_zone(module, vers, name, zoneid);
}

/*
 * Server statistics.  These are defined here, rather than in the server
 * code, so that they can be referenced before the nfssrv kmod is loaded.
 *
 * The "calls" counter is a Contract Private interface covered by
 * PSARC/2001/357.  Please contact contract-2001-357-01@eng.sun.com before
 * making any changes.
 */

static const kstat_named_t svstat_tmpl[] = {
    { "calls",  KSTAT_DATA_UINT64 },
    { "badcalls",   KSTAT_DATA_UINT64 },
    { "referrals",  KSTAT_DATA_UINT64 },
    { "referlinks", KSTAT_DATA_UINT64 },
};

/* Points to the global zone server kstat data for all nfs versions */
kstat_named_t *global_svstat_ptr[NFS_VERSMAX + 1];

static void
nfsstat_zone_init_server(zoneid_t zoneid, kstat_named_t *svstatp[])
{
    int vers;

    /*
     * first two indexes of these arrays are not used, so initialize
     * to NULL
     */
    svstatp[0] = NULL;
    svstatp[1] = NULL;
    global_svstat_ptr[0] = NULL;
    global_svstat_ptr[0] = NULL;

    for (vers = NFS_VERSION; vers <= NFS_V4; vers++) {
        svstatp[vers] = nfsstat_zone_init_common(zoneid, "nfs", vers,
            "nfs_server", svstat_tmpl, sizeof (svstat_tmpl));
        if (zoneid == GLOBAL_ZONEID)
            global_svstat_ptr[vers] = svstatp[vers];
    }
}

static void
nfsstat_zone_fini_server(zoneid_t zoneid, kstat_named_t **svstatp)
{
    int vers;
    for (vers = NFS_VERSION; vers <= NFS_V4; vers++) {
        if (zoneid == GLOBAL_ZONEID)
            global_svstat_ptr[vers] = NULL;
        nfsstat_zone_fini_common(zoneid, "nfs", vers, "nfs_server");
        kmem_free(svstatp[vers], sizeof (svstat_tmpl));
    }
}

/*
 * NFSv2 client stats
 */
static const kstat_named_t rfsreqcnt_v2_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "root",   KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "wrcache",    KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "symlink",    KSTAT_DATA_UINT64 },
    { "mkdir",  KSTAT_DATA_UINT64 },
    { "rmdir",  KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "statfs", KSTAT_DATA_UINT64 }
};

static void
nfsstat_zone_init_rfsreq_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->rfsreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs", 0,
        "rfsreqcnt_v2", rfsreqcnt_v2_tmpl, sizeof (rfsreqcnt_v2_tmpl));
}

static void
nfsstat_zone_fini_rfsreq_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsreqcnt_v2");
    kmem_free(statsp->rfsreqcnt_ptr, sizeof (rfsreqcnt_v2_tmpl));
}

/*
 * NFSv2 server stats
 */
static const kstat_named_t rfsproccnt_v2_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "root",   KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "wrcache",    KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "symlink",    KSTAT_DATA_UINT64 },
    { "mkdir",  KSTAT_DATA_UINT64 },
    { "rmdir",  KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "statfs", KSTAT_DATA_UINT64 }
};

kstat_named_t *rfsproccnt_v2_ptr;

static void
nfsstat_zone_init_rfsproc_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs", 0, "rfsproccnt_v2",
        rfsproccnt_v2_tmpl, sizeof (rfsproccnt_v2_tmpl));
    statsp->rfsproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v2_ptr = ks_data;
}

static void
nfsstat_zone_fini_rfsproc_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v2_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsproccnt_v2");
    kmem_free(statsp->rfsproccnt_ptr, sizeof (rfsproccnt_v2_tmpl));
}

/*
 * NFSv2 client ACL stats
 */
static const kstat_named_t aclreqcnt_v2_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "getxattrdir",    KSTAT_DATA_UINT64 }
};

static void
nfsstat_zone_init_aclreq_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->aclreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclreqcnt_v2", aclreqcnt_v2_tmpl, sizeof (aclreqcnt_v2_tmpl));
}

static void
nfsstat_zone_fini_aclreq_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclreqcnt_v2");
    kmem_free(statsp->aclreqcnt_ptr, sizeof (aclreqcnt_v2_tmpl));
}

/*
 * NFSv2 server ACL stats
 */
static const kstat_named_t aclproccnt_v2_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "getxattrdir",    KSTAT_DATA_UINT64 }
};

kstat_named_t *aclproccnt_v2_ptr;

static void
nfsstat_zone_init_aclproc_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclproccnt_v2", aclproccnt_v2_tmpl,
        sizeof (aclproccnt_v2_tmpl));
    statsp->aclproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v2_ptr = ks_data;
}

static void
nfsstat_zone_fini_aclproc_v2(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v2_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclproccnt_v2");
    kmem_free(statsp->aclproccnt_ptr, sizeof (aclproccnt_v2_tmpl));
}

/*
 * NFSv3 client stats
 */
static const kstat_named_t rfsreqcnt_v3_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "mkdir",  KSTAT_DATA_UINT64 },
    { "symlink",    KSTAT_DATA_UINT64 },
    { "mknod",  KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rmdir",  KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "readdirplus", KSTAT_DATA_UINT64 },
    { "fsstat", KSTAT_DATA_UINT64 },
    { "fsinfo", KSTAT_DATA_UINT64 },
    { "pathconf",   KSTAT_DATA_UINT64 },
    { "commit", KSTAT_DATA_UINT64 }
};

static void
nfsstat_zone_init_rfsreq_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->rfsreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs", 0,
        "rfsreqcnt_v3", rfsreqcnt_v3_tmpl, sizeof (rfsreqcnt_v3_tmpl));
}

static void
nfsstat_zone_fini_rfsreq_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsreqcnt_v3");
    kmem_free(statsp->rfsreqcnt_ptr, sizeof (rfsreqcnt_v3_tmpl));
}

/*
 * NFSv3 server stats
 */
static const kstat_named_t rfsproccnt_v3_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "mkdir",  KSTAT_DATA_UINT64 },
    { "symlink",    KSTAT_DATA_UINT64 },
    { "mknod",  KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rmdir",  KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "readdirplus", KSTAT_DATA_UINT64 },
    { "fsstat", KSTAT_DATA_UINT64 },
    { "fsinfo", KSTAT_DATA_UINT64 },
    { "pathconf",   KSTAT_DATA_UINT64 },
    { "commit", KSTAT_DATA_UINT64 }
};

kstat_named_t *rfsproccnt_v3_ptr;

static void
nfsstat_zone_init_rfsproc_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs", 0, "rfsproccnt_v3",
        rfsproccnt_v3_tmpl, sizeof (rfsproccnt_v3_tmpl));
    statsp->rfsproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v3_ptr = ks_data;
}

static void
nfsstat_zone_fini_rfsproc_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v3_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsproccnt_v3");
    kmem_free(statsp->rfsproccnt_ptr, sizeof (rfsproccnt_v3_tmpl));
}

/*
 * NFSv3 client ACL stats
 */
static const kstat_named_t aclreqcnt_v3_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 },
    { "getxattrdir",    KSTAT_DATA_UINT64 }
};

static void
nfsstat_zone_init_aclreq_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->aclreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclreqcnt_v3", aclreqcnt_v3_tmpl, sizeof (aclreqcnt_v3_tmpl));
}

static void
nfsstat_zone_fini_aclreq_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclreqcnt_v3");
    kmem_free(statsp->aclreqcnt_ptr, sizeof (aclreqcnt_v3_tmpl));
}

/*
 * NFSv3 server ACL stats
 */
static const kstat_named_t aclproccnt_v3_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 },
    { "getxattrdir",    KSTAT_DATA_UINT64 }
};

kstat_named_t *aclproccnt_v3_ptr;

static void
nfsstat_zone_init_aclproc_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclproccnt_v3", aclproccnt_v3_tmpl,
        sizeof (aclproccnt_v3_tmpl));
    statsp->aclproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v3_ptr = ks_data;
}

static void
nfsstat_zone_fini_aclproc_v3(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v3_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclproccnt_v3");
    kmem_free(statsp->aclproccnt_ptr, sizeof (aclproccnt_v3_tmpl));
}

/*
 * NFSv4 client stats
 */
static const kstat_named_t rfsreqcnt_v4_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "compound",   KSTAT_DATA_UINT64 },
    { "reserved",   KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "close",  KSTAT_DATA_UINT64 },
    { "commit", KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "delegpurge", KSTAT_DATA_UINT64 },
    { "delegreturn",    KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "getfh",  KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "lock",   KSTAT_DATA_UINT64 },
    { "lockt",  KSTAT_DATA_UINT64 },
    { "locku",  KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "lookupp",    KSTAT_DATA_UINT64 },
    { "nverify",    KSTAT_DATA_UINT64 },
    { "open",   KSTAT_DATA_UINT64 },
    { "openattr",   KSTAT_DATA_UINT64 },
    { "open_confirm",   KSTAT_DATA_UINT64 },
    { "open_downgrade", KSTAT_DATA_UINT64 },
    { "putfh",  KSTAT_DATA_UINT64 },
    { "putpubfh",   KSTAT_DATA_UINT64 },
    { "putrootfh",  KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "renew",  KSTAT_DATA_UINT64 },
    { "restorefh",  KSTAT_DATA_UINT64 },
    { "savefh", KSTAT_DATA_UINT64 },
    { "secinfo",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "setclientid",    KSTAT_DATA_UINT64 },
    { "setclientid_confirm",    KSTAT_DATA_UINT64 },
    { "verify", KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 }
};

static void
nfsstat_zone_init_rfsreq_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->rfsreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs", 0,
        "rfsreqcnt_v4", rfsreqcnt_v4_tmpl, sizeof (rfsreqcnt_v4_tmpl));
}

static void
nfsstat_zone_fini_rfsreq_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsreqcnt_v4");
    kmem_free(statsp->rfsreqcnt_ptr, sizeof (rfsreqcnt_v4_tmpl));
}

/*
 * NFSv4 server stats
 */
static const kstat_named_t rfsproccnt_v4_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "compound",   KSTAT_DATA_UINT64 },
    { "reserved",   KSTAT_DATA_UINT64 },
    { "access", KSTAT_DATA_UINT64 },
    { "close",  KSTAT_DATA_UINT64 },
    { "commit", KSTAT_DATA_UINT64 },
    { "create", KSTAT_DATA_UINT64 },
    { "delegpurge", KSTAT_DATA_UINT64 },
    { "delegreturn",    KSTAT_DATA_UINT64 },
    { "getattr",    KSTAT_DATA_UINT64 },
    { "getfh",  KSTAT_DATA_UINT64 },
    { "link",   KSTAT_DATA_UINT64 },
    { "lock",   KSTAT_DATA_UINT64 },
    { "lockt",  KSTAT_DATA_UINT64 },
    { "locku",  KSTAT_DATA_UINT64 },
    { "lookup", KSTAT_DATA_UINT64 },
    { "lookupp",    KSTAT_DATA_UINT64 },
    { "nverify",    KSTAT_DATA_UINT64 },
    { "open",   KSTAT_DATA_UINT64 },
    { "openattr",   KSTAT_DATA_UINT64 },
    { "open_confirm",   KSTAT_DATA_UINT64 },
    { "open_downgrade", KSTAT_DATA_UINT64 },
    { "putfh",  KSTAT_DATA_UINT64 },
    { "putpubfh",   KSTAT_DATA_UINT64 },
    { "putrootfh",  KSTAT_DATA_UINT64 },
    { "read",   KSTAT_DATA_UINT64 },
    { "readdir",    KSTAT_DATA_UINT64 },
    { "readlink",   KSTAT_DATA_UINT64 },
    { "remove", KSTAT_DATA_UINT64 },
    { "rename", KSTAT_DATA_UINT64 },
    { "renew",  KSTAT_DATA_UINT64 },
    { "restorefh",  KSTAT_DATA_UINT64 },
    { "savefh", KSTAT_DATA_UINT64 },
    { "secinfo",    KSTAT_DATA_UINT64 },
    { "setattr",    KSTAT_DATA_UINT64 },
    { "setclientid",    KSTAT_DATA_UINT64 },
    { "setclientid_confirm",    KSTAT_DATA_UINT64 },
    { "verify", KSTAT_DATA_UINT64 },
    { "write",  KSTAT_DATA_UINT64 },
    { "release_lockowner",  KSTAT_DATA_UINT64 },
    { "illegal",    KSTAT_DATA_UINT64 },
};

kstat_named_t *rfsproccnt_v4_ptr;

static void
nfsstat_zone_init_rfsproc_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs", 0, "rfsproccnt_v4",
        rfsproccnt_v4_tmpl, sizeof (rfsproccnt_v4_tmpl));
    statsp->rfsproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v4_ptr = ks_data;
}

static void
nfsstat_zone_fini_rfsproc_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        rfsproccnt_v4_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs", 0, "rfsproccnt_v4");
    kmem_free(statsp->rfsproccnt_ptr, sizeof (rfsproccnt_v4_tmpl));
}

/*
 * NFSv4 client ACL stats
 */
static const kstat_named_t aclreqcnt_v4_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 },
};

static void
nfsstat_zone_init_aclreq_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    statsp->aclreqcnt_ptr = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclreqcnt_v4", aclreqcnt_v4_tmpl, sizeof (aclreqcnt_v4_tmpl));
}

static void
nfsstat_zone_fini_aclreq_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclreqcnt_v4");
    kmem_free(statsp->aclreqcnt_ptr, sizeof (aclreqcnt_v4_tmpl));
}

/*
 * NFSv4 server ACL stats
 */
static const kstat_named_t aclproccnt_v4_tmpl[] = {
    { "null",   KSTAT_DATA_UINT64 },
    { "getacl", KSTAT_DATA_UINT64 },
    { "setacl", KSTAT_DATA_UINT64 }
};

kstat_named_t *aclproccnt_v4_ptr;

static void
nfsstat_zone_init_aclproc_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    kstat_named_t *ks_data;

    ks_data = nfsstat_zone_init_common(zoneid, "nfs_acl", 0,
        "aclproccnt_v4", aclproccnt_v4_tmpl,
        sizeof (aclproccnt_v4_tmpl));
    statsp->aclproccnt_ptr = ks_data;
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v4_ptr = ks_data;
}

static void
nfsstat_zone_fini_aclproc_v4(zoneid_t zoneid, struct nfs_version_stats *statsp)
{
    if (zoneid == GLOBAL_ZONEID)
        aclproccnt_v4_ptr = NULL;
    nfsstat_zone_fini_common(zoneid, "nfs_acl", 0, "aclproccnt_v4");
    kmem_free(statsp->aclproccnt_ptr, sizeof (aclproccnt_v4_tmpl));
}

/*
 * Zone initializer callback to setup the kstats.
 */
void *
nfsstat_zone_init(zoneid_t zoneid)
{
    struct nfs_stats *nfs_stats_ptr;

    nfs_stats_ptr = kmem_zalloc(sizeof (*nfs_stats_ptr), KM_SLEEP);

    /*
     * Initialize all versions of the nfs_server
     */
    nfsstat_zone_init_server(zoneid, nfs_stats_ptr->nfs_stats_svstat_ptr);

    /*
     * Initialize v2 stats
     */
    nfsstat_zone_init_rfsreq_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_init_rfsproc_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_init_aclreq_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_init_aclproc_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    /*
     * Initialize v3 stats
     */
    nfsstat_zone_init_rfsreq_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_init_rfsproc_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_init_aclreq_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_init_aclproc_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    /*
     * Initialize v4 stats
     */
    nfsstat_zone_init_rfsreq_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_init_rfsproc_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_init_aclreq_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_init_aclproc_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);

    return (nfs_stats_ptr);
}

/*
 * Zone destructor callback to tear down the various kstats.
 */
void
nfsstat_zone_fini(zoneid_t zoneid, void *data)
{
    struct nfs_stats *nfs_stats_ptr = data;

    /*
     * Free nfs:0:nfs_server stats
     */
    nfsstat_zone_fini_server(zoneid, nfs_stats_ptr->nfs_stats_svstat_ptr);

    /*
     * Free v2 stats
     */
    nfsstat_zone_fini_rfsreq_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_fini_rfsproc_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_fini_aclreq_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    nfsstat_zone_fini_aclproc_v2(zoneid, &nfs_stats_ptr->nfs_stats_v2);
    /*
     * Free v3 stats
     */
    nfsstat_zone_fini_rfsreq_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_fini_rfsproc_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_fini_aclreq_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    nfsstat_zone_fini_aclproc_v3(zoneid, &nfs_stats_ptr->nfs_stats_v3);
    /*
     * Free v4 stats
     */
    nfsstat_zone_fini_rfsreq_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_fini_rfsproc_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_fini_aclreq_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);
    nfsstat_zone_fini_aclproc_v4(zoneid, &nfs_stats_ptr->nfs_stats_v4);

    kmem_free(nfs_stats_ptr, sizeof (*nfs_stats_ptr));
}