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S390: Added sysinfo for host on s390(x).

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In order to retrieve some sysinfo data we need to parse /proc/sysinfo and
/proc/cpuinfo.

Signed-off-by: Thang Pham <thang.pham@us.ibm.com>
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
This commit is contained in:
Thang Pham 2012-06-22 13:50:14 +02:00 committed by Michal Privoznik
parent 2abbffec6e
commit cdea24c56c
1 changed files with 155 additions and 0 deletions
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155
src/util/sysinfo.c
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@ -44,6 +44,7 @@
__FUNCTION__, __LINE__, __VA_ARGS__)
#define SYSINFO_SMBIOS_DECODER "dmidecode"
#define SYSINFO "/proc/sysinfo"
#define CPUINFO "/proc/cpuinfo"
VIR_ENUM_IMPL(virSysinfo, VIR_SYSINFO_LAST,
@ -241,6 +242,160 @@ no_memory:
return NULL;
}
#elif defined(__s390__) || defined(__s390x__)
static int
virSysinfoParseSystem(const char *base, virSysinfoDefPtr ret)
{
char *cur, *eol = NULL;
const char *property;
/* Return if Manufacturer field is not found */
if ((cur = strstr(base, "Manufacturer")) == NULL)
return 0;
base = cur;
if ((cur = strstr(base, "Manufacturer")) != NULL) {
cur = strchr(cur, ':') + 1;
eol = strchr(cur, '\n');
virSkipSpacesBackwards(cur, &eol);
if ((eol) && ((property = strndup(cur, eol - cur)) == NULL))
goto no_memory;
virSkipSpaces(&property);
ret->system_manufacturer = (char *) property;
}
if ((cur = strstr(base, "Type")) != NULL) {
cur = strchr(cur, ':') + 1;
eol = strchr(cur, '\n');
virSkipSpacesBackwards(cur, &eol);
if ((eol) && ((property = strndup(cur, eol - cur)) == NULL))
goto no_memory;
virSkipSpaces(&property);
ret->system_family = (char *) property;
}
if ((cur = strstr(base, "Sequence Code")) != NULL) {
cur = strchr(cur, ':') + 1;
eol = strchr(cur, '\n');
virSkipSpacesBackwards(cur, &eol);
if ((eol) && ((property = strndup(cur, eol - cur)) == NULL))
goto no_memory;
virSkipSpaces(&property);
ret->system_serial = (char *) property;
}
return 0;
no_memory:
return -1;
}
static int
virSysinfoParseProcessor(const char *base, virSysinfoDefPtr ret)
{
char *cur, *eol, *tmp_base;
char *manufacturer;
const char *tmp;
virSysinfoProcessorDefPtr processor;
if ((cur = strstr(base, "vendor_id")) != NULL) {
cur = strchr(cur, ':') + 1;
eol = strchr(cur, '\n');
virSkipSpacesBackwards(cur, &eol);
if ((eol) && ((tmp = strndup(cur, eol - cur)) == NULL))
goto no_memory;
virSkipSpaces(&tmp);
manufacturer = (char *) tmp;
}
/* Find processor N: line and gather the processor manufacturer, version,
* serial number, and family */
while ((tmp_base = strstr(base, "processor ")) != NULL) {
base = tmp_base;
eol = strchr(base, '\n');
cur = strchr(base, ':') + 1;
if (VIR_EXPAND_N(ret->processor, ret->nprocessor, 1) < 0) {
goto no_memory;
}
processor = &ret->processor[ret->nprocessor - 1];
/* Set the processor manufacturer */
processor->processor_manufacturer = manufacturer;
if ((cur = strstr(base, "version =")) != NULL) {
cur += sizeof("version =");
eol = strchr(cur, ',');
if ((eol) &&
((processor->processor_version = strndup(cur, eol - cur)) == NULL))
goto no_memory;
}
if ((cur = strstr(base, "identification =")) != NULL) {
cur += sizeof("identification =");
eol = strchr(cur, ',');
if ((eol) &&
((processor->processor_serial_number = strndup(cur, eol - cur)) == NULL))
goto no_memory;
}
if ((cur = strstr(base, "machine =")) != NULL) {
cur += sizeof("machine =");
eol = strchr(cur, '\n');
if ((eol) &&
((processor->processor_family = strndup(cur, eol - cur)) == NULL))
goto no_memory;
}
base = cur;
}
return 0;
no_memory:
return -1;
}
/* virSysinfoRead for s390x
* Gathers sysinfo data from /proc/sysinfo and /proc/cpuinfo */
virSysinfoDefPtr
virSysinfoRead(void) {
virSysinfoDefPtr ret = NULL;
char *outbuf = NULL;
if (VIR_ALLOC(ret) < 0)
goto no_memory;
/* Gather info from /proc/cpuinfo */
if (virFileReadAll(CPUINFO, 2048, &outbuf) < 0) {
virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to open %s"), CPUINFO);
return NULL;
}
ret->nprocessor = 0;
ret->processor = NULL;
if (virSysinfoParseProcessor(outbuf, ret) < 0)
goto no_memory;
/* Free buffer before reading next file */
VIR_FREE(outbuf);
/* Gather info from /proc/sysinfo */
if (virFileReadAll(SYSINFO, 4096, &outbuf) < 0) {
virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to open %s"), SYSINFO);
return NULL;
}
if (virSysinfoParseSystem(outbuf, ret) < 0)
goto no_memory;
return ret;
no_memory:
VIR_FREE(outbuf);
return NULL;
}
#elif defined(WIN32) || \
!(defined(__x86_64__) || \
defined(__i386__) || \