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libxl: support enabling the HPET

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libxl accepts hpet configuration in its domain info struct.  Parse the
domain definition's <clock> element in order to set the value.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-05-10 13:24:15 +02:00 committed by Eric Blake
parent e547e44cb0
commit 0fd3fac537
1 changed files with 8 additions and 0 deletions
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8
src/libxl/libxl_conf.c
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@ -377,6 +377,7 @@ libxlMakeDomBuildInfo(virDomainDefPtr def, libxl_domain_config *d_config)
{
libxl_domain_build_info *b_info = &d_config->b_info;
int hvm = STREQ(def->os.type, "hvm");
int i;
libxl_init_build_info(b_info, &d_config->c_info);
@ -402,6 +403,13 @@ libxlMakeDomBuildInfo(virDomainDefPtr def, libxl_domain_config *d_config)
b_info->u.hvm.pae = def->features & (1 << VIR_DOMAIN_FEATURE_PAE);
b_info->u.hvm.apic = def->features & (1 << VIR_DOMAIN_FEATURE_APIC);
b_info->u.hvm.acpi = def->features & (1 << VIR_DOMAIN_FEATURE_ACPI);
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) {
b_info->u.hvm.acpi.hpet = 1;
}
}
/*
* The following comment and calculation were taken directly from
* libxenlight's internal function libxl_get_required_shadow_memory():