OpenSolaris_b135/uts/intel/io/devfm_machdep.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/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/fm/protocol.h>
#include <sys/fm/smb/fmsmb.h>
#include <sys/devfm.h>
#include <sys/cpu_module.h>
#define ANY_ID (uint_t)-1
/*
* INIT_HDLS is the initial size of cmi_hdl_t array. We fill the array
* during cmi_hdl_walk, if the array overflows, we will reallocate
* a new array twice the size of the old one.
*/
#define INIT_HDLS 16
typedef struct fm_cmi_walk_t
{
uint_t chipid; /* chipid to match during walk */
uint_t coreid; /* coreid to match */
uint_t strandid; /* strandid to match */
int (*cbfunc)(cmi_hdl_t, void *, void *); /* callback function */
cmi_hdl_t *hdls; /* allocated array to save the handles */
int nhdl_max; /* allocated array size */
int nhdl; /* handles saved */
} fm_cmi_walk_t;
extern int x86gentopo_legacy;
int
fm_get_paddr(nvlist_t *nvl, uint64_t *paddr)
{
uint8_t version;
uint64_t pa;
char *scheme;
int err;
/* Verify FMRI scheme name and version number */
if ((nvlist_lookup_string(nvl, FM_FMRI_SCHEME, &scheme) != 0) ||
(strcmp(scheme, FM_FMRI_SCHEME_HC) != 0) ||
(nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0) ||
version > FM_HC_SCHEME_VERSION) {
return (EINVAL);
}
if ((err = cmi_mc_unumtopa(NULL, nvl, &pa)) != CMI_SUCCESS &&
err != CMIERR_MC_PARTIALUNUMTOPA)
return (EINVAL);
*paddr = pa;
return (0);
}
/*
* Routines for cmi handles walk.
*/
static void
walk_init(fm_cmi_walk_t *wp, uint_t chipid, uint_t coreid, uint_t strandid,
int (*cbfunc)(cmi_hdl_t, void *, void *))
{
wp->chipid = chipid;
wp->coreid = coreid;
wp->strandid = strandid;
/*
* If callback is not set, we allocate an array to save the
* cmi handles.
*/
if ((wp->cbfunc = cbfunc) == NULL) {
wp->hdls = kmem_alloc(sizeof (cmi_hdl_t) * INIT_HDLS, KM_SLEEP);
wp->nhdl_max = INIT_HDLS;
wp->nhdl = 0;
}
}
static void
walk_fini(fm_cmi_walk_t *wp)
{
if (wp->cbfunc == NULL)
kmem_free(wp->hdls, sizeof (cmi_hdl_t) * wp->nhdl_max);
}
static int
select_cmi_hdl(cmi_hdl_t hdl, void *arg1, void *arg2, void *arg3)
{
fm_cmi_walk_t *wp = (fm_cmi_walk_t *)arg1;
if (wp->chipid != ANY_ID && wp->chipid != cmi_hdl_chipid(hdl))
return (CMI_HDL_WALK_NEXT);
if (wp->coreid != ANY_ID && wp->coreid != cmi_hdl_coreid(hdl))
return (CMI_HDL_WALK_NEXT);
if (wp->strandid != ANY_ID && wp->strandid != cmi_hdl_strandid(hdl))
return (CMI_HDL_WALK_NEXT);
/*
* Call the callback function if any exists, otherwise we hold a
* reference of the handle and push it to preallocated array.
* If the allocated array is going to overflow, reallocate a
* bigger one to replace it.
*/
if (wp->cbfunc != NULL)
return (wp->cbfunc(hdl, arg2, arg3));
if (wp->nhdl == wp->nhdl_max) {
size_t sz = sizeof (cmi_hdl_t) * wp->nhdl_max;
cmi_hdl_t *newarray = kmem_alloc(sz << 1, KM_SLEEP);
bcopy(wp->hdls, newarray, sz);
kmem_free(wp->hdls, sz);
wp->hdls = newarray;
wp->nhdl_max <<= 1;
}
cmi_hdl_hold(hdl);
wp->hdls[wp->nhdl++] = hdl;
return (CMI_HDL_WALK_NEXT);
}
static void
populate_cpu(nvlist_t **nvlp, cmi_hdl_t hdl)
{
uint_t fm_chipid;
uint16_t smbios_id;
(void) nvlist_alloc(nvlp, NV_UNIQUE_NAME, KM_SLEEP);
/*
* If SMBIOS satisfies FMA Topology needs, gather
* more information on the chip's physical roots
* like /chassis=x/motherboard=y/cpuboard=z and
* set the chip_id to match the SMBIOS' Type 4
* ordering & this has to match the ereport's chip
* resource instance derived off of SMBIOS.
* Multi-Chip-Module support should set the chipid
* in terms of the processor package rather than
* the die/node in the processor package, for FM.
*/
if (!x86gentopo_legacy) {
smbios_id = cmi_hdl_smbiosid(hdl);
fm_chipid = cmi_hdl_smb_chipid(hdl);
(void) nvlist_add_nvlist(*nvlp, FM_PHYSCPU_INFO_CHIP_ROOTS,
cmi_hdl_smb_bboard(hdl));
(void) nvlist_add_uint16(*nvlp, FM_PHYSCPU_INFO_SMBIOS_ID,
(uint16_t)smbios_id);
} else
fm_chipid = cmi_hdl_chipid(hdl);
fm_payload_set(*nvlp,
FM_PHYSCPU_INFO_VENDOR_ID, DATA_TYPE_STRING,
cmi_hdl_vendorstr(hdl),
FM_PHYSCPU_INFO_FAMILY, DATA_TYPE_INT32,
(int32_t)cmi_hdl_family(hdl),
FM_PHYSCPU_INFO_MODEL, DATA_TYPE_INT32,
(int32_t)cmi_hdl_model(hdl),
FM_PHYSCPU_INFO_STEPPING, DATA_TYPE_INT32,
(int32_t)cmi_hdl_stepping(hdl),
FM_PHYSCPU_INFO_CHIP_ID, DATA_TYPE_INT32,
(int32_t)fm_chipid,
FM_PHYSCPU_INFO_NPROCNODES, DATA_TYPE_INT32,
(int32_t)cmi_hdl_procnodes_per_pkg(hdl),
FM_PHYSCPU_INFO_PROCNODE_ID, DATA_TYPE_INT32,
(int32_t)cmi_hdl_procnodeid(hdl),
FM_PHYSCPU_INFO_CORE_ID, DATA_TYPE_INT32,
(int32_t)cmi_hdl_coreid(hdl),
FM_PHYSCPU_INFO_STRAND_ID, DATA_TYPE_INT32,
(int32_t)cmi_hdl_strandid(hdl),
FM_PHYSCPU_INFO_STRAND_APICID, DATA_TYPE_INT32,
(int32_t)cmi_hdl_strand_apicid(hdl),
FM_PHYSCPU_INFO_CHIP_REV, DATA_TYPE_STRING,
cmi_hdl_chiprevstr(hdl),
FM_PHYSCPU_INFO_SOCKET_TYPE, DATA_TYPE_UINT32,
(uint32_t)cmi_hdl_getsockettype(hdl),
FM_PHYSCPU_INFO_CPU_ID, DATA_TYPE_INT32,
(int32_t)cmi_hdl_logical_id(hdl),
NULL);
}
/*ARGSUSED*/
int
fm_ioctl_physcpu_info(int cmd, nvlist_t *invl, nvlist_t **onvlp)
{
nvlist_t **cpus, *nvl;
int i, err;
fm_cmi_walk_t wk;
/*
* Do a walk to save all the cmi handles in the array.
*/
walk_init(&wk, ANY_ID, ANY_ID, ANY_ID, NULL);
cmi_hdl_walk(select_cmi_hdl, &wk, NULL, NULL);
if (wk.nhdl == 0) {
walk_fini(&wk);
return (ENOENT);
}
cpus = kmem_alloc(sizeof (nvlist_t *) * wk.nhdl, KM_SLEEP);
for (i = 0; i < wk.nhdl; i++) {
populate_cpu(cpus + i, wk.hdls[i]);
cmi_hdl_rele(wk.hdls[i]);
}
walk_fini(&wk);
(void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP);
err = nvlist_add_nvlist_array(nvl, FM_PHYSCPU_INFO_CPUS,
cpus, wk.nhdl);
for (i = 0; i < wk.nhdl; i++)
nvlist_free(cpus[i]);
kmem_free(cpus, sizeof (nvlist_t *) * wk.nhdl);
if (err != 0) {
nvlist_free(nvl);
return (err);
}
*onvlp = nvl;
return (0);
}
int
fm_ioctl_cpu_retire(int cmd, nvlist_t *invl, nvlist_t **onvlp)
{
int32_t chipid, coreid, strandid;
int rc, new_status, old_status;
cmi_hdl_t hdl;
nvlist_t *nvl;
switch (cmd) {
case FM_IOC_CPU_RETIRE:
new_status = P_FAULTED;
break;
case FM_IOC_CPU_STATUS:
new_status = P_STATUS;
break;
case FM_IOC_CPU_UNRETIRE:
new_status = P_ONLINE;
break;
default:
return (ENOTTY);
}
if (nvlist_lookup_int32(invl, FM_CPU_RETIRE_CHIP_ID, &chipid) != 0 ||
nvlist_lookup_int32(invl, FM_CPU_RETIRE_CORE_ID, &coreid) != 0 ||
nvlist_lookup_int32(invl, FM_CPU_RETIRE_STRAND_ID, &strandid) != 0)
return (EINVAL);
hdl = cmi_hdl_lookup(CMI_HDL_NEUTRAL, chipid, coreid, strandid);
if (hdl == NULL)
return (EINVAL);
rc = cmi_hdl_online(hdl, new_status, &old_status);
cmi_hdl_rele(hdl);
if (rc == 0) {
(void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP);
(void) nvlist_add_int32(nvl, FM_CPU_RETIRE_OLDSTATUS,
old_status);
*onvlp = nvl;
}
return (rc);
}
/*
* Retrun the value of x86gentopo_legacy variable as an nvpair.
*
* The caller is responsible for freeing the nvlist.
*/
/* ARGSUSED */
int
fm_ioctl_gentopo_legacy(int cmd, nvlist_t *invl, nvlist_t **onvlp)
{
nvlist_t *nvl;
if (cmd != FM_IOC_GENTOPO_LEGACY) {
return (ENOTTY);
}
/*
* Inform the caller of the intentions of the ereport generators to
* generate either a "generic" or "legacy" x86 topology.
*/
(void) nvlist_alloc(&nvl, NV_UNIQUE_NAME, KM_SLEEP);
(void) nvlist_add_int32(nvl, FM_GENTOPO_LEGACY, x86gentopo_legacy);
*onvlp = nvl;
return (0);
}