cmd_opl.c revision 78ed97a7b79b59ef2ef41f190c9be35c54d90119
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* OPL platform specific functions for
* CPU/Memory error diagnosis engine.
*/
#include <cmd_opl.h>
#include <string.h>
#include <errno.h>
#include <cmd_mem.h>
#include <sys/fm/protocol.h>
#include <sys/int_const.h>
cmd_list_t *
opl_cpulist_insert(fmd_hdl_t *hdl, uint32_t cpuid, int flt_type)
{
opl_cpu_t *opl_cpu = NULL;
cmd_list_t *list_head = NULL;
uint32_t c, s, sib_cpuid, base_cpuid;
switch (flt_type) {
case IS_STRAND:
opl_cpu = fmd_hdl_alloc(hdl, sizeof (opl_cpu_t), FMD_SLEEP);
opl_cpu->oc_cpuid = cpuid;
cmd_list_append(&opl_cpu_list, opl_cpu);
list_head = &opl_cpu_list;
break;
case IS_CORE:
/*
* Currently there are only two strands per core.
* Xor the least significant bit to get the sibling strand
*/
sib_cpuid = cpuid ^ 1;
for (s = 0; s <= STRAND_UPPER_BOUND; s++) {
opl_cpu = fmd_hdl_alloc(hdl, sizeof (opl_cpu_t),
FMD_SLEEP);
if (s == 0) {
opl_cpu->oc_cpuid = cpuid;
cmd_list_append(&opl_cpu_list, opl_cpu);
list_head = &opl_cpu_list;
} else {
opl_cpu->oc_cpuid = sib_cpuid;
cmd_list_insert_after(&opl_cpu_list,
list_head, opl_cpu);
}
}
break;
case IS_CHIP:
/*
* Enumerate all the cpus/strands based on the max # of cores
* within a chip and max # of strands within a core.
*/
base_cpuid = (cpuid >> CHIPID_SHIFT) << CHIPID_SHIFT;
for (c = 0; c <= CORE_UPPER_BOUND; c++) {
for (s = 0; s <= STRAND_UPPER_BOUND; s++) {
opl_cpu = fmd_hdl_alloc(hdl,
sizeof (opl_cpu_t), FMD_SLEEP);
opl_cpu->oc_cpuid = base_cpuid |
c << COREID_SHIFT | s;
if (c == 0 && s == 0) {
cmd_list_append(&opl_cpu_list, opl_cpu);
list_head = &opl_cpu_list;
} else
cmd_list_insert_after(&opl_cpu_list,
list_head, opl_cpu);
}
}
break;
default:
list_head = NULL;
break;
}
return (list_head);
}
void
opl_cpulist_free(fmd_hdl_t *hdl, cmd_list_t *cpu_list)
{
opl_cpu_t *opl_cpu;
fmd_hdl_debug(hdl,
"Enter opl_cpulist_free for cpulist %llx\n", cpu_list);
while ((opl_cpu = cmd_list_next(cpu_list)) != NULL) {
cmd_list_delete(cpu_list, opl_cpu);
fmd_hdl_free(hdl, opl_cpu, sizeof (opl_cpu_t));
}
}
/*
* Based on "avg" function of eversholt
*/
uint8_t
opl_avg(uint_t sum, uint_t cnt)
{
unsigned long long s = sum * 10;
return ((s / cnt / 10) + (((s / cnt % 10) >= 5) ? 1 : 0));
}
/*
* This function builds the resource fmri page based on
* the kstat "cpu_fru" of the faulted cpu and cpuid
* using the "hc" scheme.
*/
nvlist_t *
opl_cpursrc_create(fmd_hdl_t *hdl, uint32_t cpuid)
{
nvlist_t *fmri;
char *frustr, *comp;
int cmu_num;
if ((errno = nvlist_alloc(&fmri, NV_UNIQUE_NAME, 0)) != 0)
return (NULL);
if ((frustr = cmd_cpu_getfrustr_by_id(hdl, cpuid)) == NULL) {
nvlist_free(fmri);
return (NULL);
}
/*
* get the CMU # from cpu_fru for each model
* exit with an error if we can not find one.
*/
if (strncmp(frustr, OPL_CPU_FRU_FMRI_DC,
sizeof (OPL_CPU_FRU_FMRI_DC) - 1) == 0) {
comp = frustr + sizeof (OPL_CPU_FRU_FMRI_DC) - 1;
(void) sscanf(comp, "%2d", &cmu_num);
} else if (strncmp(frustr, OPL_CPU_FRU_FMRI_FF1,
sizeof (OPL_CPU_FRU_FMRI_FF1) - 1) == 0) {
comp = frustr + sizeof (OPL_CPU_FRU_FMRI_FF1) - 1;
(void) sscanf(comp, "%d", &cmu_num);
cmu_num /= 2;
} else if (strncmp(frustr, OPL_CPU_FRU_FMRI_FF2,
sizeof (OPL_CPU_FRU_FMRI_FF2) - 1) == 0) {
comp = frustr + sizeof (OPL_CPU_FRU_FMRI_FF2) - 1;
(void) sscanf(comp, "%d", &cmu_num);
cmu_num /= 2;
} else if (strncmp(frustr, OPL_CPU_FRU_FMRI_IKKAKU,
sizeof (OPL_CPU_FRU_FMRI_IKKAKU) - 1) == 0) {
cmu_num = 0;
} else {
CMD_STAT_BUMP(bad_cpu_asru);
fmd_hdl_strfree(hdl, frustr);
nvlist_free(fmri);
return (NULL);
}
if (cmd_fmri_hc_set(hdl, fmri, FM_HC_SCHEME_VERSION, NULL, NULL,
NPAIRS, "chassis", 0, "cmu", cmu_num, "chip",
((cpuid >> CHIPID_SHIFT) & CHIP_OR_CORE_MASK),
"core", ((cpuid >> COREID_SHIFT) & CHIP_OR_CORE_MASK),
"strand", (cpuid & STRAND_MASK)) != 0) {
fmd_hdl_strfree(hdl, frustr);
nvlist_free(fmri);
return (NULL);
}
fmd_hdl_strfree(hdl, frustr);
return (fmri);
}
nvlist_t *
opl_mem_fru_create(fmd_hdl_t *hdl, nvlist_t *nvl)
{
nvlist_t *fmri;
char *unum;
char **serids;
size_t nserids;
if (nvlist_lookup_string(nvl, FM_FMRI_MEM_UNUM, &unum) != 0)
return (NULL);
fmd_hdl_debug(hdl, "opl_mem_fru_create for mem %s\n", unum);
if ((fmri = cmd_mem_fmri_create(unum)) == NULL)
return (NULL);
if ((nvlist_lookup_string_array(nvl, FM_FMRI_MEM_SERIAL_ID, &serids,
&nserids)) == 0) {
if ((nvlist_add_string_array(fmri, FM_FMRI_MEM_SERIAL_ID,
serids, nserids)) != 0) {
nvlist_free(fmri);
return (NULL);
}
}
return (fmri);
}