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xenconfig: add support for more timers

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Currently xenconfig only supports the hpet timer for HVM domains.
Include support for tsc timer for both PV and HVM domains.
This commit is contained in:
Jim Fehlig 2017-01-19 16:51:05 -07:00
parent 87df87e06b
commit b4386fdac7
1 changed files with 77 additions and 10 deletions
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87
src/xenconfig/xen_common.c
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@ -490,6 +490,7 @@ xenParseCPUFeatures(virConfPtr conf,
unsigned long count = 0;
const char *str = NULL;
int val = 0;
virDomainTimerDefPtr timer;
if (xenConfigGetULong(conf, "vcpus", &count, 1) < 0)
return -1;
@ -514,6 +515,29 @@ xenParseCPUFeatures(virConfPtr conf,
if (str && (virBitmapParse(str, &def->cpumask, 4096) < 0))
return -1;
if (xenConfigGetString(conf, "tsc_mode", &str, NULL) < 0)
return -1;
if (str) {
if (VIR_EXPAND_N(def->clock.timers, def->clock.ntimers, 1) < 0 ||
VIR_ALLOC(timer) < 0)
return -1;
timer->name = VIR_DOMAIN_TIMER_NAME_TSC;
timer->present = 1;
timer->tickpolicy = -1;
timer->mode = VIR_DOMAIN_TIMER_MODE_AUTO;
timer->track = -1;
if (STREQ_NULLABLE(str, "always_emulate"))
timer->mode = VIR_DOMAIN_TIMER_MODE_EMULATE;
else if (STREQ_NULLABLE(str, "native"))
timer->mode = VIR_DOMAIN_TIMER_MODE_NATIVE;
else if (STREQ_NULLABLE(str, "native_paravirt"))
timer->mode = VIR_DOMAIN_TIMER_MODE_PARAVIRT;
def->clock.timers[def->clock.ntimers - 1] = timer;
}
if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
if (xenConfigGetBool(conf, "pae", &val, 1) < 0)
return -1;
@ -545,9 +569,7 @@ xenParseCPUFeatures(virConfPtr conf,
return -1;
if (val != -1) {
virDomainTimerDefPtr timer;
if (VIR_ALLOC_N(def->clock.timers, 1) < 0 ||
if (VIR_EXPAND_N(def->clock.timers, def->clock.ntimers, 1) < 0 ||
VIR_ALLOC(timer) < 0)
return -1;
@ -557,8 +579,7 @@ xenParseCPUFeatures(virConfPtr conf,
timer->mode = -1;
timer->track = -1;
def->clock.ntimers = 1;
def->clock.timers[0] = timer;
def->clock.timers[def->clock.ntimers - 1] = timer;
}
}
@ -1584,8 +1605,9 @@ static int
xenFormatCPUFeatures(virConfPtr conf, virDomainDefPtr def)
{
size_t i;
bool hvm = !!(def->os.type == VIR_DOMAIN_OSTYPE_HVM);
if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
if (hvm) {
if (xenConfigSetInt(conf, "pae",
(def->features[VIR_DOMAIN_FEATURE_PAE] ==
VIR_TRISTATE_SWITCH_ON) ? 1 : 0) < 0)
@ -1610,12 +1632,57 @@ xenFormatCPUFeatures(virConfPtr conf, virDomainDefPtr def)
(def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] ==
VIR_TRISTATE_SWITCH_ON) ? 1 : 0) < 0)
return -1;
}
for (i = 0; i < def->clock.ntimers; i++) {
if (def->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_HPET &&
def->clock.timers[i]->present != -1 &&
xenConfigSetInt(conf, "hpet", def->clock.timers[i]->present) < 0)
for (i = 0; i < def->clock.ntimers; i++) {
switch ((virDomainTimerNameType) def->clock.timers[i]->name) {
case VIR_DOMAIN_TIMER_NAME_TSC:
switch (def->clock.timers[i]->mode) {
case VIR_DOMAIN_TIMER_MODE_NATIVE:
if (xenConfigSetString(conf, "tsc_mode", "native") < 0)
return -1;
break;
case VIR_DOMAIN_TIMER_MODE_PARAVIRT:
if (xenConfigSetString(conf, "tsc_mode", "native_paravirt") < 0)
return -1;
break;
case VIR_DOMAIN_TIMER_MODE_EMULATE:
if (xenConfigSetString(conf, "tsc_mode", "always_emulate") < 0)
return -1;
break;
default:
if (xenConfigSetString(conf, "tsc_mode", "default") < 0)
return -1;
}
break;
case VIR_DOMAIN_TIMER_NAME_HPET:
if (hvm) {
int enable_hpet = def->clock.timers[i]->present != 0;
/* disable hpet if 'present' is 0, enable otherwise */
if (xenConfigSetInt(conf, "hpet", enable_hpet) < 0)
return -1;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported timer type (name) '%s'"),
virDomainTimerNameTypeToString(def->clock.timers[i]->name));
return -1;
}
break;
case VIR_DOMAIN_TIMER_NAME_PLATFORM:
case VIR_DOMAIN_TIMER_NAME_KVMCLOCK:
case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
case VIR_DOMAIN_TIMER_NAME_RTC:
case VIR_DOMAIN_TIMER_NAME_PIT:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported timer type (name) '%s'"),
virDomainTimerNameTypeToString(def->clock.timers[i]->name));
return -1;
case VIR_DOMAIN_TIMER_NAME_LAST:
break;
}
}