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conf: add support for Hyper-V PV IPIs

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Support Hyper-V PV IPI enlightenment in domain config. QEMU support will
be implemented in the next patch, adding interim VIR_DOMAIN_HYPERV_IPI
cases to src/qemu/* for now.

Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2018-11-14 23:46:04 +01:00 committed by Andrea Bolognani
parent 96f657e378
commit 988113f4fa
9 changed files with 26 additions and 1 deletions
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7
docs/formatdomain.html.in
View File

@ -2007,6 +2007,7 @@
&lt;frequencies state='on'/&gt;
&lt;reenlightenment state='on'/&gt;
&lt;tlbflush state='on'/&gt;
&lt;ipi state='on'/&gt;
&lt;/hyperv&gt;
&lt;kvm&gt;
&lt;hidden state='on'/&gt;
@ -2147,6 +2148,12 @@
<td>on, off</td>
<td><span class="since">4.7.0 (QEMU 3.0)</span></td>
</tr>
<tr>
<td>ipi</td>
<td>Enable PV IPI support</td>
<td>on, off</td>
<td><span class="since">4.10.0 (QEMU 3.1)</span></td>
</tr>
</table>
</dd>
<dt><code>pvspinlock</code></dt>

5
docs/schemas/domaincommon.rng
View File

@ -5779,6 +5779,11 @@
<ref name="featurestate"/>
</element>
</optional>
<optional>
<element name="ipi">
<ref name="featurestate"/>
</element>
</optional>
</interleave>
</element>
</define>

7
src/conf/domain_conf.c
View File

@ -172,7 +172,9 @@ VIR_ENUM_IMPL(virDomainHyperv, VIR_DOMAIN_HYPERV_LAST,
"vendor_id",
"frequencies",
"reenlightenment",
"tlbflush")
"tlbflush",
"ipi",
);
VIR_ENUM_IMPL(virDomainKVM, VIR_DOMAIN_KVM_LAST,
"hidden")
@ -20197,6 +20199,7 @@ virDomainDefParseXML(xmlDocPtr xml,
case VIR_DOMAIN_HYPERV_FREQUENCIES:
case VIR_DOMAIN_HYPERV_REENLIGHTENMENT:
case VIR_DOMAIN_HYPERV_TLBFLUSH:
case VIR_DOMAIN_HYPERV_IPI:
break;
case VIR_DOMAIN_HYPERV_SPINLOCKS:
@ -22391,6 +22394,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src,
case VIR_DOMAIN_HYPERV_FREQUENCIES:
case VIR_DOMAIN_HYPERV_REENLIGHTENMENT:
case VIR_DOMAIN_HYPERV_TLBFLUSH:
case VIR_DOMAIN_HYPERV_IPI:
if (src->hyperv_features[i] != dst->hyperv_features[i]) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("State of HyperV enlightenment "
@ -28191,6 +28195,7 @@ virDomainDefFormatInternal(virDomainDefPtr def,
case VIR_DOMAIN_HYPERV_FREQUENCIES:
case VIR_DOMAIN_HYPERV_REENLIGHTENMENT:
case VIR_DOMAIN_HYPERV_TLBFLUSH:
case VIR_DOMAIN_HYPERV_IPI:
break;
case VIR_DOMAIN_HYPERV_SPINLOCKS:

1
src/conf/domain_conf.h
View File

@ -1795,6 +1795,7 @@ typedef enum {
VIR_DOMAIN_HYPERV_FREQUENCIES,
VIR_DOMAIN_HYPERV_REENLIGHTENMENT,
VIR_DOMAIN_HYPERV_TLBFLUSH,
VIR_DOMAIN_HYPERV_IPI,
VIR_DOMAIN_HYPERV_LAST
} virDomainHyperv;

3
src/cpu/cpu_x86.c
View File

@ -114,6 +114,8 @@ KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_REENLIGHTENMENT,
0x40000003, 0x00002000);
KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_TLBFLUSH,
0x40000004, 0x00000004);
KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_IPI,
0x40000004, 0x00000400);
static virCPUx86Feature x86_kvm_features[] =
{
@ -137,6 +139,7 @@ static virCPUx86Feature x86_kvm_features[] =
KVM_FEATURE(VIR_CPU_x86_KVM_HV_FREQUENCIES),
KVM_FEATURE(VIR_CPU_x86_KVM_HV_REENLIGHTENMENT),
KVM_FEATURE(VIR_CPU_x86_KVM_HV_TLBFLUSH),
KVM_FEATURE(VIR_CPU_x86_KVM_HV_IPI),
};
typedef struct _virCPUx86Model virCPUx86Model;

1
src/cpu/cpu_x86_data.h
View File

@ -65,6 +65,7 @@ struct _virCPUx86CPUID {
# define VIR_CPU_x86_KVM_HV_FREQUENCIES "__kvm_hv_frequencies"
# define VIR_CPU_x86_KVM_HV_REENLIGHTENMENT "__kvm_hv_reenlightenment"
# define VIR_CPU_x86_KVM_HV_TLBFLUSH "__kvm_hv_tlbflush"
# define VIR_CPU_x86_KVM_HV_IPI "__kvm_hv_ipi"
# define VIR_CPU_X86_DATA_INIT { 0 }

1
src/qemu/qemu_command.c
View File

@ -6899,6 +6899,7 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
def->hyperv_vendor_id);
break;
case VIR_DOMAIN_HYPERV_IPI:
/* coverity[dead_error_begin] */
case VIR_DOMAIN_HYPERV_LAST:
break;

1
src/qemu/qemu_parse_command.c
View File

@ -1579,6 +1579,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
break;
case VIR_DOMAIN_HYPERV_IPI:
case VIR_DOMAIN_HYPERV_LAST:
break;
}

1
src/qemu/qemu_process.c
View File

@ -3969,6 +3969,7 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def,
virDomainHypervTypeToString(i));
return -1;
case VIR_DOMAIN_HYPERV_IPI:
/* coverity[dead_error_begin] */
case VIR_DOMAIN_HYPERV_VENDOR_ID:
case VIR_DOMAIN_HYPERV_LAST: