chip/common/chip_subr.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 (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 */

/*
 * Support function for the i86pc chip enumerator
 */

#include <sys/types.h>
#include <stdarg.h>
#include <strings.h>
#include <fm/fmd_fmri.h>
#include <sys/systeminfo.h>
#include <sys/fm/protocol.h>
#include <fm/topo_mod.h>
#include <fm/fmd_agent.h>

#include "chip.h"

static void fmri_dprint(topo_mod_t *, const char *, uint32_t, nvlist_t *);
static boolean_t is_page_fmri(nvlist_t *);

const topo_method_t rank_methods[] = {
    { TOPO_METH_ASRU_COMPUTE, TOPO_METH_ASRU_COMPUTE_DESC,
        TOPO_METH_ASRU_COMPUTE_VERSION, TOPO_STABILITY_INTERNAL,
        mem_asru_compute },
    { TOPO_METH_PRESENCE_STATE, TOPO_METH_PRESENCE_STATE_DESC,
        TOPO_METH_PRESENCE_STATE_VERSION, TOPO_STABILITY_INTERNAL,
        rank_fmri_presence_state },
    { NULL }
};

/*
 * Whinge a debug message via topo_mod_dprintf and increment the
 * given error counter.
 */
void
whinge(topo_mod_t *mod, int *nerr, const char *fmt, ...)
{
    va_list ap;
    char buf[160];

    if (nerr != NULL)
        ++*nerr;

    va_start(ap, fmt);
    (void) vsnprintf(buf, sizeof (buf), fmt, ap);
    va_end(ap);

    topo_mod_dprintf(mod, "%s", buf);
}

/*
 * Given an nvpair of a limited number of data types, extract the property
 * name and value and add that combination to the given node in the
 * specified property group using the corresponding topo_prop_set_* function
 * for the data type.  Return 1 on success, otherwise 0.
 */
int
nvprop_add(topo_mod_t *mod, nvpair_t *nvp, const char *pgname, tnode_t *node)
{
    int success = 0;
    int err;
    char *pname = nvpair_name(nvp);

    switch (nvpair_type(nvp)) {
    case DATA_TYPE_BOOLEAN_VALUE: {
        boolean_t val;

        if (nvpair_value_boolean_value(nvp, &val) == 0 &&
            topo_prop_set_string(node, pgname, pname,
            TOPO_PROP_IMMUTABLE, val ? "true" : "false", &err) == 0)
            success = 1;
        break;
    }

    case DATA_TYPE_UINT32: {
        uint32_t val;

        if (nvpair_value_uint32(nvp, &val) == 0 &&
            topo_prop_set_uint32(node, pgname, pname,
            TOPO_PROP_IMMUTABLE, val, &err) == 0)
            success = 1;
        break;
    }

    case DATA_TYPE_UINT64: {
        uint64_t val;

        if (nvpair_value_uint64(nvp, &val) == 0 &&
            topo_prop_set_uint64(node, pgname, pname,
            TOPO_PROP_IMMUTABLE, val, &err) == 0)
            success = 1;
        break;
    }

    case DATA_TYPE_UINT32_ARRAY: {
        uint32_t *arrp;
        uint_t nelem;

        if (nvpair_value_uint32_array(nvp, &arrp, &nelem) == 0 &&
            nelem > 0 && topo_prop_set_uint32_array(node, pgname, pname,
            TOPO_PROP_IMMUTABLE, arrp, nelem, &err) == 0)
            success = 1;
        break;
    }

    case DATA_TYPE_STRING: {
        char *str;

        if (nvpair_value_string(nvp, &str) == 0 &&
            topo_prop_set_string(node, pgname, pname,
            TOPO_PROP_IMMUTABLE, str, &err) == 0)
            success = 1;
        break;
    }

    default:
        whinge(mod, &err, "nvprop_add: Can't handle type %d for "
            "'%s' in property group %s of %s node\n",
            nvpair_type(nvp), pname, pgname, topo_node_name(node));
        break;
    }

    return (success ? 0 : 1);
}

/*
 * Lookup string data named pname in the given nvlist and add that
 * as property named pname in the given property group pgname on the indicated
 * topo node.  Fill pvalp with a pointer to the string value, valid until
 * nvlist_free is called.
 */
int
add_nvlist_strprop(topo_mod_t *mod, tnode_t *node, nvlist_t *nvl,
    const char *pgname, const char *pname, const char **pvalp)
{
    char *pval;
    int err = 0;

    if (nvlist_lookup_string(nvl, pname, &pval) != 0)
        return (-1);

    if (topo_prop_set_string(node, pgname, pname,
        TOPO_PROP_IMMUTABLE, pval, &err) == 0) {
        if (pvalp)
            *pvalp = pval;
        return (0);
    } else {
        whinge(mod, &err, "add_nvlist_strprop: failed to add '%s'\n",
            pname);
        return (-1);
    }
}

/*
 * Lookup an int32 item named pname in the given nvlist and add that
 * as property named pname in the given property group pgname on the indicated
 * topo node.  Fill pvalp with the property value.
 */
int
add_nvlist_longprop(topo_mod_t *mod, tnode_t *node, nvlist_t *nvl,
    const char *pgname, const char *pname, int32_t *pvalp)
{
    int32_t pval;
    int err;

    if ((nvlist_lookup_int32(nvl, pname, &pval)) != 0)
        return (-1);

    if (topo_prop_set_int32(node, pgname, pname,
        TOPO_PROP_IMMUTABLE, pval, &err) == 0) {
        if (pvalp)
            *pvalp = pval;
        return (0);
    } else {
        whinge(mod, &err, "add_nvlist_longprop: failed to add '%s'\n",
            pname);
        return (-1);
    }
}

/*
 * In a given nvlist lookup a variable number of int32 properties named in
 * const char * varargs and each each in the given property group on the
 * node.  Fill an array of the retrieved values.
 */
int
add_nvlist_longprops(topo_mod_t *mod, tnode_t *node, nvlist_t *nvl,
    const char *pgname, int32_t *pvalap, ...)
{
    const char *pname;
    va_list ap;
    int nerr = 0;

    va_start(ap, pvalap);
    while ((pname = va_arg(ap, const char *)) != NULL) {
        if (add_nvlist_longprop(mod, node, nvl, pgname, pname,
            pvalap) != 0)
            nerr++;     /* have whinged elsewhere */

        if (pvalap != NULL)
            ++pvalap;
    }
    va_end(ap);

    return (nerr == 0 ? 0 : -1);
}

/*
 * Construct an hc scheme resource FMRI for a node named name with
 * instance number inst, parented by the given parent node pnode.
 */
int
mkrsrc(topo_mod_t *mod, tnode_t *pnode, const char *name, int inst,
    nvlist_t *auth, nvlist_t **nvl)
{
    *nvl = topo_mod_hcfmri(mod, pnode, FM_HC_SCHEME_VERSION, name,
        inst, NULL, auth, NULL, NULL, NULL);
    return (nvl != NULL ? 0 : -1);  /* caller must free nvlist */
}

/*
 * Construct a cpu scheme FMRI with the given data; the caller must free
 * the allocated nvlist with nvlist_free().
 */
nvlist_t *
cpu_fmri_create(topo_mod_t *mod, uint32_t cpuid, char *s, uint8_t cpumask)
{
    int err;
    nvlist_t *asru;

    if (topo_mod_nvalloc(mod, &asru, NV_UNIQUE_NAME) != 0)
        return (NULL);

    err = nvlist_add_uint8(asru, FM_VERSION, FM_CPU_SCHEME_VERSION);
    err |= nvlist_add_string(asru, FM_FMRI_SCHEME, FM_FMRI_SCHEME_CPU);
    err |= nvlist_add_uint32(asru, FM_FMRI_CPU_ID, cpuid);
    err |= nvlist_add_uint8(asru, FM_FMRI_CPU_MASK, cpumask);
    if (s != NULL)
        err |= nvlist_add_string(asru, FM_FMRI_CPU_SERIAL_ID, s);
    if (err != 0) {
        nvlist_free(asru);
        (void) topo_mod_seterrno(mod, EMOD_FMRI_NVL);
        return (NULL);
    }

    return (asru);
}

/*ARGSUSED*/
int
mem_asru_compute(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    nvlist_t *asru, *args, *pargs, *hcsp;
    int err;
    uint64_t pa, offset;

    if (strcmp(topo_node_name(node), RANK_NODE_NAME) != 0 &&
        strcmp(topo_node_name(node), DIMM_NODE_NAME) != 0 &&
        strcmp(topo_node_name(node), CS_NODE_NAME) != 0)
        return (topo_mod_seterrno(mod, EMOD_METHOD_INVAL));

    if (nvlist_lookup_nvlist(in, TOPO_PROP_ARGS, &args) != 0)
        return (topo_mod_seterrno(mod, EMOD_METHOD_INVAL));

    if ((err = nvlist_lookup_nvlist(in, TOPO_PROP_PARGS, &pargs)) != 0) {
        if (err == ENOENT) {
            pargs = args;
        } else {
            return (topo_mod_seterrno(mod, EMOD_METHOD_INVAL));
        }
    }

    if (topo_mod_nvdup(mod, pargs, &asru) != 0)
        return (topo_mod_seterrno(mod, EMOD_NOMEM));

    err = 0;

    /*
     * if 'in' includes an hc-specific member which specifies asru-physaddr
     * or asru-offset then rename them to asru and physaddr respectively.
     */
    if (nvlist_lookup_nvlist(asru, FM_FMRI_HC_SPECIFIC, &hcsp) == 0) {
        if (nvlist_lookup_uint64(hcsp,
            "asru-"FM_FMRI_HC_SPECIFIC_PHYSADDR, &pa) == 0) {
            err += nvlist_remove(hcsp,
                "asru-"FM_FMRI_HC_SPECIFIC_PHYSADDR,
                DATA_TYPE_UINT64);
            err += nvlist_add_uint64(hcsp,
                FM_FMRI_HC_SPECIFIC_PHYSADDR,
                pa);
        }

        if (nvlist_lookup_uint64(hcsp,
            "asru-"FM_FMRI_HC_SPECIFIC_OFFSET, &offset) == 0) {
            err += nvlist_remove(hcsp,
                "asru-"FM_FMRI_HC_SPECIFIC_OFFSET,
                DATA_TYPE_UINT64);
            err += nvlist_add_uint64(hcsp,
                FM_FMRI_HC_SPECIFIC_OFFSET,
                offset);
        }
    }

    if (err != 0 || topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) < 0) {
        nvlist_free(asru);
        return (topo_mod_seterrno(mod, EMOD_NOMEM));
    }

    err = nvlist_add_string(*out, TOPO_PROP_VAL_NAME, TOPO_PROP_ASRU);
    err |= nvlist_add_uint32(*out, TOPO_PROP_VAL_TYPE, TOPO_TYPE_FMRI);
    err |= nvlist_add_nvlist(*out, TOPO_PROP_VAL_VAL, asru);
    if (err != 0) {
        nvlist_free(asru);
        nvlist_free(*out);
        return (topo_mod_seterrno(mod, EMOD_NVL_INVAL));
    }

    nvlist_free(asru);

    return (0);
}

static int
set_retnvl(topo_mod_t *mod, nvlist_t **out, const char *retname, uint32_t ret)
{
    nvlist_t *nvl;

    if (topo_mod_nvalloc(mod, &nvl, NV_UNIQUE_NAME) < 0)
        return (topo_mod_seterrno(mod, EMOD_NOMEM));

    if (nvlist_add_uint32(nvl, retname, ret) != 0) {
        nvlist_free(nvl);
        return (topo_mod_seterrno(mod, EMOD_NVL_INVAL));
    }

    *out = nvl;
    return (0);
}

/*
 * If we're getting called then the question of whether this dimm is plugged
 * in has already been answered.  What we don't know for sure is whether it's
 * the same dimm or a different one plugged in the same slot.  To check, we
 * try and compare the serial numbers on the dimm in the current topology with
 * the serial num from the unum fmri that got passed into this function as the
 * argument.
 *
 */
static int
fmri_presence_state(topo_mod_t *mod, tnode_t *node, nvlist_t *unum, int *errp)
{
    tnode_t *dimmnode;
    nvlist_t *resource;
    int err;
    char *old_serial, *curr_serial;

    /*
     * If a serial number for the dimm was available at the time of the
     * fault, it will have been added as a string to the unum nvlist
     */
    if (nvlist_lookup_string(unum, FM_FMRI_HC_V1_FRU_SN, &old_serial) &&
        nvlist_lookup_string(unum, FM_FMRI_HC_V0_SERIAL, &old_serial))
        return (FMD_OBJ_STATE_UNKNOWN);

    /*
     * If the current serial number is available for the DIMM that this rank
     * belongs to, it will be accessible as a property on the parent (dimm)
     * node. If there is a serial id in the resource fmri, then use that.
     * Otherwise fall back to looking for a serial id property in the
     * protocol group.
     */
    dimmnode = topo_node_parent(node);
    if (topo_node_resource(dimmnode, &resource, &err) != -1) {
        if (nvlist_lookup_string(resource, FM_FMRI_HC_V1_FRU_SN,
            &curr_serial) == 0 ||
            nvlist_lookup_string(resource, FM_FMRI_HC_V0_SERIAL,
            &curr_serial) == 0) {
            if (strcmp(old_serial, curr_serial) != 0) {
                nvlist_free(resource);
                return (FMD_OBJ_STATE_REPLACED);
            } else {
                nvlist_free(resource);
                return (FMD_OBJ_STATE_STILL_PRESENT);
            }
        }
        nvlist_free(resource);
    }
    if (topo_prop_get_string(dimmnode, TOPO_PGROUP_PROTOCOL,
        FM_FMRI_HC_V1_FRU_SN, &curr_serial, &err) != 0 &&
        topo_prop_get_string(dimmnode, TOPO_PGROUP_PROTOCOL,
        FM_FMRI_HC_V0_SERIAL, &curr_serial, &err) != 0) {
        if (err == ETOPO_PROP_NOENT) {
            return (FMD_OBJ_STATE_UNKNOWN);
        } else {
            *errp = EMOD_NVL_INVAL;
            whinge(mod, NULL, "fmri_presence_state: Unexpected "
                "error retrieving serial from node");
            return (-1);
        }
    }

    if (strcmp(old_serial, curr_serial) != 0) {
        topo_mod_strfree(mod, curr_serial);
        return (FMD_OBJ_STATE_REPLACED);
    }

    topo_mod_strfree(mod, curr_serial);

    return (FMD_OBJ_STATE_STILL_PRESENT);
}

int
rank_fmri_presence_state(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    int presence_state, err;

    if (version > TOPO_METH_PRESENCE_STATE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));

    presence_state = fmri_presence_state(mod, node, in, &err);
    if (presence_state == -1)
        return (topo_mod_seterrno(mod,  err));

    fmri_dprint(mod, "rank_fmri_presence_state", presence_state, in);

    return (set_retnvl(mod, out, TOPO_METH_PRESENCE_STATE_RET,
        presence_state));
}

static void
fmri_dprint(topo_mod_t *mod, const char *op, uint32_t rc, nvlist_t *fmri)
{
    char *fmristr;
    const char *status;

    if (getenv("TOPOCHIPDBG") == NULL)
        return;

    switch (rc) {
    case FMD_AGENT_RETIRE_DONE:
        status = "sync success";
        break;
    case FMD_AGENT_RETIRE_ASYNC:
        status = "async retiring";
        break;
    case FMD_AGENT_RETIRE_FAIL:
        status = "not retired";
        break;
    default:
        status = "unknown status";
    }
    if (fmri != NULL && topo_mod_nvl2str(mod, fmri, &fmristr) == 0) {
        topo_mod_dprintf(mod, "[%s]: %s => %d (\"%s\")\n", fmristr,
            op, rc, status);
        topo_mod_strfree(mod, fmristr);
    }
}

struct strand_walk_data {
    tnode_t     *parent;
    fmd_agent_hdl_t *hdl;
    int     (*func)(fmd_agent_hdl_t *, int, int, int);
    int     err;
    int     done;
    int     fail;
    int     async;
};

static int
strand_walker(topo_mod_t *mod, tnode_t *node, void *pdata)
{
    struct strand_walk_data *swdp = pdata;
    int32_t chipid, coreid, strandid;
    int err, rc;

    /*
     * Terminate the walk if we reach start-node's sibling
     */
    if (node != swdp->parent &&
        topo_node_parent(node) == topo_node_parent(swdp->parent))
        return (TOPO_WALK_TERMINATE);

    if (strcmp(topo_node_name(node), STRAND) != 0)
        return (TOPO_WALK_NEXT);

    if (topo_prop_get_int32(node, PGNAME(STRAND), STRAND_CHIP_ID,
        &chipid, &err) < 0 ||
        topo_prop_get_int32(node, PGNAME(STRAND), STRAND_CORE_ID,
        &coreid, &err) < 0) {
        swdp->err++;
        return (TOPO_WALK_NEXT);
    }
    strandid = topo_node_instance(node);
    rc = swdp->func(swdp->hdl, chipid, coreid, strandid);

    if (rc == FMD_AGENT_RETIRE_DONE)
        swdp->done++;
    else if (rc == FMD_AGENT_RETIRE_FAIL)
        swdp->fail++;
    else if (rc == FMD_AGENT_RETIRE_ASYNC)
        swdp->async++;
    else
        swdp->err++;

    if (getenv("TOPOCHIPDBG") != NULL) {
        const char *op;

        if (swdp->func == fmd_agent_cpu_retire)
            op = "retire";
        else if (swdp->func == fmd_agent_cpu_unretire)
            op = "unretire";
        else if (swdp->func == fmd_agent_cpu_isretired)
            op = "check status";
        else
            op = "unknown op";

        topo_mod_dprintf(mod, "%s cpu (%d:%d:%d): rc = %d, err = %s\n",
            op, (int)chipid, (int)coreid, (int)strandid, rc,
            fmd_agent_errmsg(swdp->hdl));
    }

    return (TOPO_WALK_NEXT);
}

static int
walk_strands(topo_mod_t *mod, struct strand_walk_data *swdp, tnode_t *parent,
    int (*func)(fmd_agent_hdl_t *, int, int, int))
{
    topo_walk_t *twp;
    int err;

    swdp->parent = parent;
    swdp->func = func;
    swdp->err = swdp->done = swdp->fail = swdp->async = 0;
    if ((swdp->hdl = fmd_agent_open(FMD_AGENT_VERSION)) == NULL) {
        swdp->fail++;
        return (0);
    }

    twp = topo_mod_walk_init(mod, parent, strand_walker, swdp, &err);
    if (twp == NULL) {
        fmd_agent_close(swdp->hdl);
        return (-1);
    }

    err = topo_walk_step(twp, TOPO_WALK_CHILD);
    topo_walk_fini(twp);
    fmd_agent_close(swdp->hdl);

    if (err == TOPO_WALK_ERR || swdp->err > 0)
        return (-1);

    return (0);
}

/* ARGSUSED */
int
retire_strands(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    struct strand_walk_data swd;
    uint32_t rc;

    if (version > TOPO_METH_RETIRE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));

    if (walk_strands(mod, &swd, node, fmd_agent_cpu_retire) == -1)
        return (-1);

    if (swd.fail > 0)
        rc = FMD_AGENT_RETIRE_FAIL;
    else if (swd.async > 0)
        rc = FMD_AGENT_RETIRE_ASYNC;
    else
        rc = FMD_AGENT_RETIRE_DONE;

    return (set_retnvl(mod, out, TOPO_METH_RETIRE_RET, rc));
}

/* ARGSUSED */
int
unretire_strands(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    struct strand_walk_data swd;
    uint32_t rc;

    if (version > TOPO_METH_UNRETIRE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));

    if (walk_strands(mod, &swd, node, fmd_agent_cpu_unretire) == -1)
        return (-1);

    if (swd.fail > 0)
        rc = FMD_AGENT_RETIRE_FAIL;
    else if (swd.async > 0)
        rc = FMD_AGENT_RETIRE_ASYNC;
    else
        rc = FMD_AGENT_RETIRE_DONE;

    return (set_retnvl(mod, out, TOPO_METH_UNRETIRE_RET, rc));
}

/* ARGSUSED */
int
service_state_strands(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    struct strand_walk_data swd;
    uint32_t rc;

    if (version > TOPO_METH_SERVICE_STATE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));

    if (walk_strands(mod, &swd, node, fmd_agent_cpu_isretired) == -1)
        return (-1);

    if (swd.done > 0)
        rc = (swd.fail + swd.async > 0) ? FMD_SERVICE_STATE_DEGRADED :
            FMD_SERVICE_STATE_UNUSABLE;
    else if (swd.async > 0)
        rc = FMD_SERVICE_STATE_ISOLATE_PENDING;
    else if (swd.fail > 0)
        rc = FMD_SERVICE_STATE_OK;
    else
        rc = FMD_SERVICE_STATE_UNKNOWN;

    return (set_retnvl(mod, out, TOPO_METH_SERVICE_STATE_RET, rc));
}

static boolean_t
is_page_fmri(nvlist_t *nvl)
{
    nvlist_t *hcsp;
    uint64_t val;

    if (nvlist_lookup_nvlist(nvl, FM_FMRI_HC_SPECIFIC, &hcsp) == 0 &&
        (nvlist_lookup_uint64(hcsp, FM_FMRI_HC_SPECIFIC_OFFSET,
        &val) == 0 ||
        nvlist_lookup_uint64(hcsp, "asru-" FM_FMRI_HC_SPECIFIC_OFFSET,
        &val) == 0 ||
        nvlist_lookup_uint64(hcsp, FM_FMRI_HC_SPECIFIC_PHYSADDR,
        &val) == 0 ||
        nvlist_lookup_uint64(hcsp, "asru-" FM_FMRI_HC_SPECIFIC_PHYSADDR,
        &val) == 0))
        return (B_TRUE);

    return (B_FALSE);
}

/* ARGSUSED */
int
ntv_page_retire(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    fmd_agent_hdl_t *hdl;
    uint32_t rc = FMD_AGENT_RETIRE_FAIL;

    if (version > TOPO_METH_RETIRE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));
    if (is_page_fmri(in)) {
        if ((hdl = fmd_agent_open(FMD_AGENT_VERSION)) != NULL) {
            rc = fmd_agent_page_retire(hdl, in);
            fmd_agent_close(hdl);
        }
    }
    fmri_dprint(mod, "ntv_page_retire", rc, in);
    return (set_retnvl(mod, out, TOPO_METH_RETIRE_RET, rc));
}

/* ARGSUSED */
int
ntv_page_unretire(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    fmd_agent_hdl_t *hdl;
    uint32_t rc = FMD_AGENT_RETIRE_FAIL;

    if (version > TOPO_METH_UNRETIRE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));
    if (is_page_fmri(in)) {
        if ((hdl = fmd_agent_open(FMD_AGENT_VERSION)) != NULL) {
            rc = fmd_agent_page_unretire(hdl, in);
            fmd_agent_close(hdl);
        }
    }
    fmri_dprint(mod, "ntv_page_unretire", rc, in);
    return (set_retnvl(mod, out, TOPO_METH_UNRETIRE_RET, rc));
}

/* ARGSUSED */
int
ntv_page_service_state(topo_mod_t *mod, tnode_t *node, topo_version_t version,
    nvlist_t *in, nvlist_t **out)
{
    fmd_agent_hdl_t *hdl;
    uint32_t rc = FMD_SERVICE_STATE_UNKNOWN;

    if (version > TOPO_METH_SERVICE_STATE_VERSION)
        return (topo_mod_seterrno(mod, EMOD_VER_NEW));
    if (is_page_fmri(in)) {
        if ((hdl = fmd_agent_open(FMD_AGENT_VERSION)) != NULL) {
            rc = fmd_agent_page_isretired(hdl, in);
            fmd_agent_close(hdl);
            if (rc == FMD_AGENT_RETIRE_DONE)
                rc = FMD_SERVICE_STATE_UNUSABLE;
            else if (rc == FMD_AGENT_RETIRE_FAIL)
                rc = FMD_SERVICE_STATE_OK;
            else if (rc == FMD_AGENT_RETIRE_ASYNC)
                rc = FMD_SERVICE_STATE_ISOLATE_PENDING;
        }
    }

    topo_mod_dprintf(mod, "ntv_page_service_state: rc = %u\n", rc);
    return (set_retnvl(mod, out, TOPO_METH_SERVICE_STATE_RET, rc));
}