OpenSolaris_b135/lib/fm/topo/modules/i86pc/chip/chip.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 <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <strings.h>
#include <limits.h>
#include <alloca.h>
#include <kstat.h>
#include <errno.h>
#include <libnvpair.h>
#include <sys/types.h>
#include <sys/bitmap.h>
#include <sys/processor.h>
#include <sys/param.h>
#include <sys/fm/protocol.h>
#include <sys/systeminfo.h>
#include <sys/mc.h>
#include <sys/mc_amd.h>
#include <sys/mc_intel.h>
#include <sys/devfm.h>
#include <fm/fmd_agent.h>
#include <fm/topo_mod.h>
#include "chip.h"
#define MAX_DIMMNUM 7
#define MAX_CSNUM 7
/*
* Enumerates the processing chips, or sockets, (as distinct from cores) in a
* system. For each chip found, the necessary nodes (one or more cores, and
* possibly a memory controller) are constructed underneath.
*/
static int chip_enum(topo_mod_t *, tnode_t *, const char *,
topo_instance_t, topo_instance_t, void *, void *);
static const topo_modops_t chip_ops =
{ chip_enum, NULL};
static const topo_modinfo_t chip_info =
{ CHIP_NODE_NAME, FM_FMRI_SCHEME_HC, CHIP_VERSION, &chip_ops };
static const topo_pgroup_info_t chip_pgroup =
{ PGNAME(CHIP), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 };
static const topo_pgroup_info_t core_pgroup =
{ PGNAME(CORE), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 };
static const topo_pgroup_info_t strand_pgroup =
{ PGNAME(STRAND), TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 };
static const topo_method_t chip_methods[] = {
{ SIMPLE_CHIP_LBL, "Property method", 0,
TOPO_STABILITY_INTERNAL, simple_chip_label},
{ G4_CHIP_LBL, "Property method", 0,
TOPO_STABILITY_INTERNAL, g4_chip_label},
{ A4FPLUS_CHIP_LBL, "Property method", 0,
TOPO_STABILITY_INTERNAL, a4fplus_chip_label},
{ FSB2_CHIP_LBL, "Property method", 0,
TOPO_STABILITY_INTERNAL, fsb2_chip_label},
{ NULL }
};
static const topo_method_t strands_retire_methods[] = {
{ TOPO_METH_RETIRE, TOPO_METH_RETIRE_DESC,
TOPO_METH_RETIRE_VERSION, TOPO_STABILITY_INTERNAL,
retire_strands },
{ TOPO_METH_UNRETIRE, TOPO_METH_UNRETIRE_DESC,
TOPO_METH_UNRETIRE_VERSION, TOPO_STABILITY_INTERNAL,
unretire_strands },
{ TOPO_METH_SERVICE_STATE, TOPO_METH_SERVICE_STATE_DESC,
TOPO_METH_SERVICE_STATE_VERSION, TOPO_STABILITY_INTERNAL,
service_state_strands },
{ TOPO_METH_UNUSABLE, TOPO_METH_UNUSABLE_DESC,
TOPO_METH_UNUSABLE_VERSION, TOPO_STABILITY_INTERNAL,
unusable_strands },
{ NULL }
};
int
_topo_init(topo_mod_t *mod)
{
if (getenv("TOPOCHIPDBG"))
topo_mod_setdebug(mod);
topo_mod_dprintf(mod, "initializing chip enumerator\n");
if (topo_mod_register(mod, &chip_info, TOPO_VERSION) != 0) {
whinge(mod, NULL, "failed to register hc: "
"%s\n", topo_mod_errmsg(mod));
return (-1); /* mod errno set */
}
return (0);
}
void
_topo_fini(topo_mod_t *mod)
{
topo_mod_unregister(mod);
}
boolean_t
is_xpv(void)
{
static int r = -1;
char platform[MAXNAMELEN];
if (r != -1)
return (r == 0);
(void) sysinfo(SI_PLATFORM, platform, sizeof (platform));
r = strcmp(platform, "i86xpv");
return (r == 0);
}
static tnode_t *
create_node(topo_mod_t *mod, tnode_t *pnode, nvlist_t *auth, char *name,
topo_instance_t inst, uint16_t smbios_id)
{
nvlist_t *fmri;
tnode_t *cnode;
if (mkrsrc(mod, pnode, name, inst, auth, &fmri) != 0) {
whinge(mod, NULL, "create_node: mkrsrc failed\n");
return (NULL);
}
if (FM_AWARE_SMBIOS(mod)) {
id_t phys_cpu_smbid;
int perr = 0;
const char *serial = NULL;
const char *part = NULL;
const char *rev = NULL;
phys_cpu_smbid = smbios_id;
serial = chip_serial_smbios_get(mod, phys_cpu_smbid);
part = chip_part_smbios_get(mod, phys_cpu_smbid);
rev = chip_rev_smbios_get(mod, phys_cpu_smbid);
perr += nvlist_add_string(fmri, FM_FMRI_HC_SERIAL_ID,
serial);
perr += nvlist_add_string(fmri, FM_FMRI_HC_PART,
part);
perr += nvlist_add_string(fmri, FM_FMRI_HC_REVISION,
rev);
if (perr != 0)
whinge(mod, NULL,
"create_node: nvlist_add_string failed\n");
topo_mod_strfree(mod, (char *)serial);
topo_mod_strfree(mod, (char *)part);
topo_mod_strfree(mod, (char *)rev);
}
cnode = topo_node_bind(mod, pnode, name, inst, fmri);
nvlist_free(fmri);
if (cnode == NULL) {
whinge(mod, NULL, "create_node: node bind failed"
" for %s %d\n", name, (int)inst);
}
return (cnode);
}
static int
create_strand(topo_mod_t *mod, tnode_t *pnode, nvlist_t *cpu,
nvlist_t *auth, uint16_t chip_smbiosid)
{
tnode_t *strand;
int32_t strandid, cpuid;
int err, perr, nerr = 0;
nvlist_t *fmri;
char *serial = NULL;
char *part = NULL;
char *rev = NULL;
if ((err = nvlist_lookup_int32(cpu, FM_PHYSCPU_INFO_STRAND_ID,
&strandid)) != 0) {
whinge(mod, NULL, "create_strand: lookup strand_id failed: "
"%s\n", strerror(err));
return (-1);
}
if ((strand = topo_node_lookup(pnode, STRAND_NODE_NAME, strandid))
!= NULL) {
whinge(mod, NULL, "create_strand: duplicate tuple found\n");
return (-1);
}
if ((strand = create_node(mod, pnode, auth, STRAND_NODE_NAME,
strandid, chip_smbiosid)) == NULL)
return (-1);
/*
* Inherit FRU from core node, in native use cpu scheme ASRU,
* in xpv, use hc scheme ASRU.
*/
(void) topo_node_fru_set(strand, NULL, 0, &perr);
/*
* From the inherited FRU, extract the Serial
* number(if SMBIOS donates) and set it in the ASRU
*/
if (FM_AWARE_SMBIOS(mod)) {
char *val = NULL;
if (topo_prop_get_fmri(strand, TOPO_PGROUP_PROTOCOL,
TOPO_PROP_RESOURCE, &fmri, &err) != 0)
whinge(mod, NULL,
"create_strand: topo_prop_get_fmri failed\n");
if (nvlist_lookup_string(fmri, FM_FMRI_HC_SERIAL_ID, &val) != 0)
whinge(mod, NULL,
"create_strand: nvlist_lookup_string failed: \n");
else
serial = topo_mod_strdup(mod, val);
nvlist_free(fmri);
}
if (is_xpv()) {
if (topo_node_resource(strand, &fmri, &err) == -1) {
whinge(mod, &nerr, "create_strand: "
"topo_node_resource failed\n");
} else {
if (FM_AWARE_SMBIOS(mod))
(void) nvlist_add_string(fmri,
FM_FMRI_HC_SERIAL_ID, serial);
(void) topo_node_asru_set(strand, fmri, 0, &err);
nvlist_free(fmri);
}
} else {
if (nvlist_lookup_int32(cpu, STRAND_CPU_ID, &cpuid) != 0) {
whinge(mod, &nerr, "create_strand: lookup cpuid "
"failed\n");
} else {
if ((fmri = cpu_fmri_create(mod, cpuid, serial, 0))
!= NULL) {
(void) topo_node_asru_set(strand, fmri,
0, &err);
nvlist_free(fmri);
} else {
whinge(mod, &nerr, "create_strand: "
"cpu_fmri_create() failed\n");
}
}
}
if (topo_method_register(mod, strand, strands_retire_methods) < 0)
whinge(mod, &nerr, "create_strand: "
"topo_method_register failed\n");
(void) topo_pgroup_create(strand, &strand_pgroup, &err);
nerr -= add_nvlist_longprops(mod, strand, cpu, PGNAME(STRAND), NULL,
STRAND_CHIP_ID, STRAND_PROCNODE_ID, STRAND_CORE_ID, STRAND_CPU_ID,
NULL);
if (FM_AWARE_SMBIOS(mod)) {
(void) topo_node_label_set(strand, NULL, &perr);
if (topo_node_resource(strand, &fmri, &perr) != 0) {
whinge(mod, &nerr, "create_strand: "
"topo_node_resource failed\n");
perr = 0;
}
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_PART, &part);
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_REVISION, &rev);
if (perr != 0) {
whinge(mod, NULL,
"create_strand: nvlist_lookup_string failed\n");
perr = 0;
}
perr += topo_prop_set_string(strand, PGNAME(STRAND),
FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE, serial, &perr);
perr += topo_prop_set_string(strand, PGNAME(STRAND),
FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE, part, &perr);
perr += topo_prop_set_string(strand, PGNAME(STRAND),
FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE, rev, &perr);
if (perr != 0)
whinge(mod, NULL, "create_strand: topo_prop_set_string"
"failed\n");
nvlist_free(fmri);
topo_mod_strfree(mod, serial);
}
return (err == 0 && nerr == 0 ? 0 : -1);
}
static int
create_core(topo_mod_t *mod, tnode_t *pnode, nvlist_t *cpu,
nvlist_t *auth, uint16_t chip_smbiosid)
{
tnode_t *core;
int32_t coreid, cpuid;
int err, perr, nerr = 0;
nvlist_t *fmri;
char *serial = NULL;
char *part = NULL;
char *rev = NULL;
if ((err = nvlist_lookup_int32(cpu, FM_PHYSCPU_INFO_CORE_ID, &coreid))
!= 0) {
whinge(mod, NULL, "create_core: lookup core_id failed: %s\n",
strerror(err));
return (-1);
}
if ((core = topo_node_lookup(pnode, CORE_NODE_NAME, coreid)) == NULL) {
if ((core = create_node(mod, pnode, auth, CORE_NODE_NAME,
coreid, chip_smbiosid)) == NULL)
return (-1);
/*
* Inherit FRU from the chip node, for native, we use hc
* scheme ASRU for the core node.
*/
(void) topo_node_fru_set(core, NULL, 0, &perr);
/*
* From the inherited FRU, extract the Serial
* number if SMBIOS donates and set it in the ASRU
*/
if (FM_AWARE_SMBIOS(mod)) {
char *val = NULL;
if (topo_node_resource(core, &fmri, &err) != 0)
whinge(mod, NULL,
"create_core: topo_prop_get_fmri failed\n");
if (nvlist_lookup_string(fmri, FM_FMRI_HC_SERIAL_ID,
&val) != 0)
whinge(mod, NULL, "create_core:"
"nvlist_lookup_string failed\n");
else
serial = topo_mod_strdup(mod, val);
nvlist_free(fmri);
}
if (is_xpv()) {
if (topo_node_resource(core, &fmri, &err) == -1) {
whinge(mod, &nerr, "create_core: "
"topo_node_resource failed\n");
} else {
if (FM_AWARE_SMBIOS(mod))
(void) nvlist_add_string(fmri,
FM_FMRI_HC_SERIAL_ID, serial);
(void) topo_node_asru_set(core, fmri, 0, &err);
nvlist_free(fmri);
}
}
if (topo_method_register(mod, core, strands_retire_methods) < 0)
whinge(mod, &nerr, "create_core: "
"topo_method_register failed\n");
(void) topo_pgroup_create(core, &core_pgroup, &err);
nerr -= add_nvlist_longprops(mod, core, cpu, PGNAME(CORE), NULL,
CORE_CHIP_ID, CORE_PROCNODE_ID, NULL);
if (topo_node_range_create(mod, core, STRAND_NODE_NAME,
0, 255) != 0)
return (-1);
}
if (!is_xpv()) {
/*
* In native mode, we're in favor of cpu scheme ASRU for
* printing reason. More work needs to be done to support
* multi-strand cpu: the ASRU will be a list of cpuid then.
*/
if (nvlist_lookup_int32(cpu, STRAND_CPU_ID, &cpuid) != 0) {
whinge(mod, &nerr, "create_core: lookup cpuid "
"failed\n");
} else {
if ((fmri = cpu_fmri_create(mod, cpuid, serial, 0))
!= NULL) {
(void) topo_node_asru_set(core, fmri, 0, &err);
nvlist_free(fmri);
} else {
whinge(mod, &nerr, "create_core: "
"cpu_fmri_create() failed\n");
}
}
}
if (FM_AWARE_SMBIOS(mod)) {
(void) topo_node_label_set(core, NULL, &perr);
if (topo_node_resource(core, &fmri, &perr) != 0) {
whinge(mod, &nerr, "create_core: "
"topo_node_resource failed\n");
perr = 0;
}
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_PART, &part);
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_REVISION, &rev);
if (perr != 0) {
whinge(mod, NULL,
"create_core: nvlist_lookup_string failed\n");
perr = 0;
}
perr += topo_prop_set_string(core, PGNAME(CORE),
FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE, serial, &perr);
perr += topo_prop_set_string(core, PGNAME(CORE),
FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE, part, &perr);
perr += topo_prop_set_string(core, PGNAME(CORE),
FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE, rev, &perr);
if (perr != 0)
whinge(mod, NULL, "create_core: topo_prop_set_string"
"failed\n");
nvlist_free(fmri);
topo_mod_strfree(mod, serial);
}
err = create_strand(mod, core, cpu, auth, chip_smbiosid);
return (err == 0 && nerr == 0 ? 0 : -1);
}
static int
create_chip(topo_mod_t *mod, tnode_t *pnode, topo_instance_t min,
topo_instance_t max, nvlist_t *cpu, nvlist_t *auth,
int mc_offchip)
{
tnode_t *chip;
nvlist_t *fmri = NULL;
int err, perr, nerr = 0;
int32_t chipid, procnodeid, procnodes_per_pkg;
const char *vendor;
int32_t family, model;
boolean_t create_mc = B_FALSE;
uint16_t smbios_id;
/*
* /dev/fm will export the chipid based on SMBIOS' ordering
* of Type-4 structures, if SMBIOS meets FMA needs
*/
err = nvlist_lookup_pairs(cpu, 0,
FM_PHYSCPU_INFO_CHIP_ID, DATA_TYPE_INT32, &chipid,
FM_PHYSCPU_INFO_NPROCNODES, DATA_TYPE_INT32, &procnodes_per_pkg,
FM_PHYSCPU_INFO_PROCNODE_ID, DATA_TYPE_INT32, &procnodeid,
FM_PHYSCPU_INFO_VENDOR_ID, DATA_TYPE_STRING, &vendor,
FM_PHYSCPU_INFO_FAMILY, DATA_TYPE_INT32, &family,
FM_PHYSCPU_INFO_MODEL, DATA_TYPE_INT32, &model,
NULL);
if (err) {
whinge(mod, NULL, "create_chip: lookup failed: %s\n",
strerror(err));
return (-1);
}
if (chipid < min || chipid > max)
return (-1);
if (FM_AWARE_SMBIOS(mod)) {
if ((err = nvlist_lookup_uint16(cpu,
FM_PHYSCPU_INFO_SMBIOS_ID, &smbios_id)) != 0) {
whinge(mod, NULL,
"create_chip: lookup smbios_id failed"
": enumerating x86pi & chip topology, but"
" no Chip properties from SMBIOS"
" - err msg : %s\n", strerror(err));
/*
* Lets reset the module specific
* data to NULL, overriding any
* SMBIOS capability encoded earlier.
* This will fail all subsequent
* FM_AWARE_SMBIOS checks.
*/
topo_mod_setspecific(mod, NULL);
}
}
if ((chip = topo_node_lookup(pnode, CHIP_NODE_NAME, chipid)) == NULL) {
if ((chip = create_node(mod, pnode, auth, CHIP_NODE_NAME,
chipid, smbios_id)) == NULL)
return (-1);
/*
* Do not register XML map methods if SMBIOS can provide
* serial, part, revision & label
*/
if (!FM_AWARE_SMBIOS(mod)) {
if (topo_method_register(mod, chip, chip_methods) < 0)
whinge(mod, &nerr, "create_chip: "
"topo_method_register failed\n");
}
(void) topo_pgroup_create(chip, &chip_pgroup, &err);
nerr -= add_nvlist_strprop(mod, chip, cpu, PGNAME(CHIP),
CHIP_VENDOR_ID, NULL);
nerr -= add_nvlist_longprops(mod, chip, cpu, PGNAME(CHIP),
NULL, CHIP_FAMILY, CHIP_MODEL, CHIP_STEPPING, NULL);
if (FM_AWARE_SMBIOS(mod)) {
int fru = 0;
char *serial = NULL;
char *part = NULL;
char *rev = NULL;
char *label;
fru = chip_fru_smbios_get(mod, smbios_id);
/*
* Chip is not a FRU, set the FRU fmri of parent node
*/
if (topo_node_resource(chip, &fmri, &perr) != 0)
whinge(mod, &nerr, "create_chip: "
"topo_node_resource failed\n");
if (!fru) {
(void) topo_node_fru_set(chip, NULL, 0, &perr);
label = NULL;
} else {
label = (char *)chip_label_smbios_get(mod,
pnode, smbios_id, NULL);
if (topo_node_fru_set(chip, fmri, 0, &perr)
!= 0) {
whinge(mod, NULL, "create_chip: "
"topo_node_fru_set failed\n");
perr = 0;
}
}
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_SERIAL_ID, &serial);
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_PART, &part);
perr += nvlist_lookup_string(fmri,
FM_FMRI_HC_REVISION, &rev);
if (perr != 0) {
whinge(mod, NULL,
"create_chip: nvlist_lookup_string"
"failed\n");
perr = 0;
}
perr += topo_prop_set_string(chip, PGNAME(CHIP),
FM_FMRI_HC_SERIAL_ID, TOPO_PROP_IMMUTABLE,
serial, &perr);
perr += topo_prop_set_string(chip, PGNAME(CHIP),
FM_FMRI_HC_PART, TOPO_PROP_IMMUTABLE,
part, &perr);
perr += topo_prop_set_string(chip, PGNAME(CHIP),
FM_FMRI_HC_REVISION, TOPO_PROP_IMMUTABLE,
rev, &perr);
if (perr != 0)
whinge(mod, NULL,
"create_chip: topo_prop_set_string"
"failed\n");
nvlist_free(fmri);
if (topo_node_label_set(chip, label, &perr)
== -1) {
whinge(mod, NULL, "create_chip: "
"topo_node_label_set failed\n");
}
topo_mod_strfree(mod, label);
} else {
if (topo_node_resource(chip, &fmri, &err) == -1) {
whinge(mod, &nerr, "create_chip: "
"topo_node_resource failed\n");
} else {
(void) topo_node_fru_set(chip, fmri, 0, &perr);
nvlist_free(fmri);
}
}
if (topo_method_register(mod, chip, strands_retire_methods) < 0)
whinge(mod, &nerr, "create_chip: "
"topo_method_register failed\n");
if (topo_node_range_create(mod, chip, CORE_NODE_NAME, 0, 255))
return (-1);
if (strcmp(vendor, "AuthenticAMD") == 0) {
if (topo_node_range_create(mod, chip, MCT_NODE_NAME,
0, 255))
return (-1);
}
create_mc = B_TRUE;
}
if (FM_AWARE_SMBIOS(mod)) {
int status = 0;
/*
* STATUS
* CPU Socket Populated
* CPU Socket Unpopulated
* Populated : Enabled
* Populated : Disabled by BIOS (Setup)
* Populated : Disabled by BIOS (Error)
* Populated : Idle
*
* Enumerate core & strand only for Populated : Enabled
* Enumerate Off-Chip Memory Controller only for
* Populated : Enabled
*/
status = chip_status_smbios_get(mod, (id_t)smbios_id);
if (!status) {
whinge(mod, NULL, "create_chip: "
"CPU Socket is not populated or is disabled\n");
return (0);
}
}
err = create_core(mod, chip, cpu, auth, smbios_id);
/*
* Create memory-controller node under a chip for architectures
* that may have on-chip memory-controller(s).
* If SMBIOS meets FMA needs, when Multi-Chip-Module is
* addressed, mc instances should be derived from SMBIOS
*/
if (strcmp(vendor, "AuthenticAMD") == 0) {
amd_mc_create(mod, smbios_id, chip, MCT_NODE_NAME, auth,
procnodeid, procnodes_per_pkg, family, model, &nerr);
} else if (create_mc && !mc_offchip)
onchip_mc_create(mod, smbios_id, chip, MCT_NODE_NAME, auth);
return (err == 0 && nerr == 0 ? 0 : -1);
}
/*ARGSUSED*/
static int
create_chips(topo_mod_t *mod, tnode_t *pnode, const char *name,
topo_instance_t min, topo_instance_t max, void *arg, nvlist_t *auth,
int mc_offchip)
{
fmd_agent_hdl_t *hdl;
nvlist_t **cpus;
int nerr = 0;
uint_t i, ncpu;
if (strcmp(name, CHIP_NODE_NAME) != 0)
return (0);
if ((hdl = fmd_agent_open(FMD_AGENT_VERSION)) == NULL)
return (-1);
if (fmd_agent_physcpu_info(hdl, &cpus, &ncpu) != 0) {
whinge(mod, NULL, "create_chip: fmd_agent_physcpu_info "
"failed: %s\n", fmd_agent_errmsg(hdl));
fmd_agent_close(hdl);
return (-1);
}
fmd_agent_close(hdl);
for (i = 0; i < ncpu; i++) {
nerr -= create_chip(mod, pnode, min, max, cpus[i], auth,
mc_offchip);
nvlist_free(cpus[i]);
}
umem_free(cpus, sizeof (nvlist_t *) * ncpu);
if (nerr == 0) {
return (0);
} else {
(void) topo_mod_seterrno(mod, EMOD_PARTIAL_ENUM);
return (-1);
}
}
/*ARGSUSED*/
static int
chip_enum(topo_mod_t *mod, tnode_t *pnode, const char *name,
topo_instance_t min, topo_instance_t max, void *arg, void *smbios_enabled)
{
int rv = 0;
nvlist_t *auth = NULL;
int offchip_mc;
char buf[BUFSIZ];
const char *dom0 = "control_d";
/*
* Create nothing if we're running in domU.
*/
if (sysinfo(SI_PLATFORM, buf, sizeof (buf)) == -1)
return (-1);
if (strncmp(buf, "i86pc", sizeof (buf)) != 0 &&
strncmp(buf, "i86xpv", sizeof (buf)) != 0)
return (0);
if (strncmp(buf, "i86xpv", sizeof (buf)) == 0) {
int fd = open("/dev/xen/domcaps", O_RDONLY);
if (fd != -1) {
if (read(fd, buf, sizeof (buf)) <= 0 ||
strncmp(buf, dom0, strlen(dom0)) != 0) {
(void) close(fd);
return (0);
}
(void) close(fd);
}
}
/*
* Set Chip Enumerator Module's private data with the value passed by
* x86pi Enumerator, defining SMBIOS capabilities
*/
topo_mod_setspecific(mod, smbios_enabled);
if (FM_AWARE_SMBIOS(mod))
if (init_chip_smbios(mod) != 0) {
whinge(mod, NULL,
"init_chip_smbios() failed, "
" enumerating x86pi & chip topology, but no"
" CPU & Memory properties will be"
" derived from SMBIOS\n");
/*
* Lets reset the module specific
* data to NULL, overriding any
* SMBIOS capability encoded earlier.
* This will fail all subsequent
* FM_AWARE_SMBIOS checks.
*/
topo_mod_setspecific(mod, NULL);
}
auth = topo_mod_auth(mod, pnode);
offchip_mc = mc_offchip_open();
if (strcmp(name, CHIP_NODE_NAME) == 0)
rv = create_chips(mod, pnode, name, min, max, NULL, auth,
offchip_mc);
if (offchip_mc)
(void) mc_offchip_create(mod, pnode, "memory-controller", auth);
nvlist_free(auth);
return (rv);
}