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conf: Add virDomainDeviceInfo to virDomainIOMMUDef

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This is needed so that IOMMU devices can have addresses.

Existing IOMMU devices (intel-iommu and SMMUv3) are system
devices and as such don't have an address associated to them, but
virtio-iommu is a PCI device and needs one.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Andrea Bolognani 2021-09-23 16:28:15 +02:00
parent 7620b1a09a
commit b0eb1e193f
3 changed files with 60 additions and 41 deletions
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37
src/conf/domain_conf.c
View File

@ -2581,6 +2581,7 @@ virDomainIOMMUDefFree(virDomainIOMMUDef *iommu)
if (!iommu)
return;
virDomainDeviceInfoClear(&iommu->info);
g_free(iommu);
}
@ -4276,13 +4277,14 @@ virDomainDeviceGetInfo(const virDomainDeviceDef *device)
return &device->data.panic->info;
case VIR_DOMAIN_DEVICE_MEMORY:
return &device->data.memory->info;
case VIR_DOMAIN_DEVICE_IOMMU:
return &device->data.iommu->info;
case VIR_DOMAIN_DEVICE_VSOCK:
return &device->data.vsock->info;
/* The following devices do not contain virDomainDeviceInfo */
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_IOMMU:
case VIR_DOMAIN_DEVICE_AUDIO:
case VIR_DOMAIN_DEVICE_LAST:
case VIR_DOMAIN_DEVICE_NONE:
@ -4578,6 +4580,13 @@ virDomainDeviceInfoIterateFlags(virDomainDef *def,
return rc;
}
device.type = VIR_DOMAIN_DEVICE_IOMMU;
if (def->iommu) {
device.data.iommu = def->iommu;
if ((rc = cb(def, &device, &def->iommu->info, opaque)) != 0)
return rc;
}
device.type = VIR_DOMAIN_DEVICE_VSOCK;
if (def->vsock) {
device.data.vsock = def->vsock;
@ -4605,12 +4614,6 @@ virDomainDeviceInfoIterateFlags(virDomainDef *def,
if ((rc = cb(def, &device, NULL, opaque)) != 0)
return rc;
}
device.type = VIR_DOMAIN_DEVICE_IOMMU;
if (def->iommu) {
device.data.iommu = def->iommu;
if ((rc = cb(def, &device, NULL, opaque)) != 0)
return rc;
}
}
/* Coverity is not very happy with this - all dead_error_condition */
@ -14797,8 +14800,10 @@ virDomainMemoryDefParseXML(virDomainXMLOption *xmlopt,
static virDomainIOMMUDef *
virDomainIOMMUDefParseXML(xmlNodePtr node,
xmlXPathContextPtr ctxt)
virDomainIOMMUDefParseXML(virDomainXMLOption *xmlopt,
xmlNodePtr node,
xmlXPathContextPtr ctxt,
unsigned int flags)
{
VIR_XPATH_NODE_AUTORESTORE(ctxt)
xmlNodePtr driver;
@ -14834,6 +14839,10 @@ virDomainIOMMUDefParseXML(xmlNodePtr node,
return NULL;
}
if (virDomainDeviceInfoParseXML(xmlopt, node, ctxt,
&iommu->info, flags) < 0)
return NULL;
return g_steal_pointer(&iommu);
}
@ -15031,7 +15040,8 @@ virDomainDeviceDefParse(const char *xmlStr,
return NULL;
break;
case VIR_DOMAIN_DEVICE_IOMMU:
if (!(dev->data.iommu = virDomainIOMMUDefParseXML(node, ctxt)))
if (!(dev->data.iommu = virDomainIOMMUDefParseXML(xmlopt, node,
ctxt, flags)))
return NULL;
break;
case VIR_DOMAIN_DEVICE_VSOCK:
@ -20166,7 +20176,8 @@ virDomainDefParseXML(xmlXPathContextPtr ctxt,
}
if (n > 0) {
if (!(def->iommu = virDomainIOMMUDefParseXML(nodes[0], ctxt)))
if (!(def->iommu = virDomainIOMMUDefParseXML(xmlopt, nodes[0],
ctxt, flags)))
return NULL;
}
VIR_FREE(nodes);
@ -22030,7 +22041,7 @@ virDomainIOMMUDefCheckABIStability(virDomainIOMMUDef *src,
return false;
}
return true;
return virDomainDeviceInfoCheckABIStability(&src->info, &dst->info);
}
@ -27432,6 +27443,8 @@ virDomainIOMMUDefFormat(virBuffer *buf,
virXMLFormatElement(&childBuf, "driver", &driverAttrBuf, NULL);
virDomainDeviceInfoFormat(&childBuf, &iommu->info, 0);
virBufferAsprintf(&attrBuf, " model='%s'",
virDomainIOMMUModelTypeToString(iommu->model));

1
src/conf/domain_conf.h
View File

@ -2767,6 +2767,7 @@ struct _virDomainIOMMUDef {
virTristateSwitch eim;
virTristateSwitch iotlb;
unsigned int aw_bits;
virDomainDeviceInfo info;
};
typedef enum {

63
src/conf/schemas/domaincommon.rng
View File

@ -5460,35 +5460,40 @@
<value>virtio</value>
</choice>
</attribute>
<optional>
<element name="driver">
<optional>
<attribute name="intremap">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="caching_mode">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="eim">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="iotlb">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="aw_bits">
<ref name="uint8"/>
</attribute>
</optional>
</element>
</optional>
<interleave>
<optional>
<element name="driver">
<optional>
<attribute name="intremap">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="caching_mode">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="eim">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="iotlb">
<ref name="virOnOff"/>
</attribute>
</optional>
<optional>
<attribute name="aw_bits">
<ref name="uint8"/>
</attribute>
</optional>
</element>
</optional>
<optional>
<ref name="address"/>
</optional>
</interleave>
</element>
</define>