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hyperv: add support for creating network adapters

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Co-authored-by: Sri Ramanujam <sramanujam@datto.com>
Signed-off-by: Matt Coleman <matt@datto.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Matt Coleman 2021-02-01 19:48:40 -05:00 committed by Michal Privoznik
parent 67e2786a0e
commit fa66bd8cad
3 changed files with 172 additions and 0 deletions
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138
src/hyperv/hyperv_driver.c
View File

@ -978,6 +978,132 @@ hypervDomainAttachSerial(virDomainPtr domain, virDomainChrDefPtr serial)
}
static int
hypervDomainAttachSyntheticEthernetAdapter(virDomainPtr domain,
virDomainNetDefPtr net,
char *hostname)
{
hypervPrivate *priv = domain->conn->privateData;
g_autofree char *portResourceType = NULL;
unsigned char vsiGuid[VIR_UUID_BUFLEN];
char guidString[VIR_UUID_STRING_BUFLEN];
g_autofree char *virtualSystemIdentifiers = NULL;
char macString[VIR_MAC_STRING_BUFLEN];
g_autofree char *macAddressNoColons = NULL;
g_autoptr(GHashTable) portResource = NULL;
g_auto(WsXmlDocH) sepsdResponse = NULL;
g_auto(virBuffer) query = VIR_BUFFER_INITIALIZER;
g_autoptr(Msvm_VirtualEthernetSwitch) vSwitch = NULL;
g_autofree char *enabledState = NULL;
g_autofree char *switch__PATH = NULL;
g_autofree char *sepsd__PATH = NULL;
g_autofree char *sepsdInstanceID = NULL;
g_autofree char *sepsdInstanceEscaped = NULL;
g_autofree char *connectionResourceType = NULL;
g_autoptr(GHashTable) connectionResource = NULL;
/*
* Step 1: Create the Msvm_SyntheticEthernetPortSettingData object
* that holds half the settings for the new adapter we are creating
*/
portResourceType = g_strdup_printf("%d", MSVM_RASD_RESOURCETYPE_ETHERNET_ADAPTER);
virUUIDGenerate(vsiGuid);
virUUIDFormat(vsiGuid, guidString);
virtualSystemIdentifiers = g_strdup_printf("{%s}", guidString);
virMacAddrFormat(&net->mac, macString);
macAddressNoColons = virStringReplace(macString, ":", "");
/* prepare embedded param */
portResource = hypervCreateEmbeddedParam(Msvm_SyntheticEthernetPortSettingData_WmiInfo);
if (!portResource)
return -1;
if (hypervSetEmbeddedProperty(portResource, "ResourceType", portResourceType) < 0)
return -1;
if (hypervSetEmbeddedProperty(portResource, "ResourceSubType",
"Microsoft:Hyper-V:Synthetic Ethernet Port") < 0)
return -1;
if (hypervSetEmbeddedProperty(portResource,
"VirtualSystemIdentifiers", virtualSystemIdentifiers) < 0)
return -1;
if (hypervSetEmbeddedProperty(portResource, "Address", macAddressNoColons) < 0)
return -1;
if (hypervSetEmbeddedProperty(portResource, "StaticMacAddress", "true") < 0)
return -1;
if (hypervMsvmVSMSAddResourceSettings(domain, &portResource,
Msvm_SyntheticEthernetPortSettingData_WmiInfo,
&sepsdResponse) < 0)
return -1;
/*
* Step 2: Get the Msvm_VirtualEthernetSwitch object
*/
virBufferAsprintf(&query,
MSVM_VIRTUALETHERNETSWITCH_WQL_SELECT "WHERE Name='%s'",
net->data.bridge.brname);
if (hypervGetWmiClass(Msvm_VirtualEthernetSwitch, &vSwitch) < 0)
return -1;
if (!vSwitch)
return -1;
/*
* Step 3: Create the Msvm_EthernetPortAllocationSettingData object that
* holds the other half of the network configuration
*/
enabledState = g_strdup_printf("%d", MSVM_ETHERNETPORTALLOCATIONSETTINGDATA_ENABLEDSTATE_ENABLED);
/* build the two __PATH variables */
switch__PATH = g_strdup_printf("\\\\%s\\Root\\Virtualization\\V2:"
"Msvm_VirtualEthernetSwitch.CreationClassName=\"Msvm_VirtualEthernetSwitch\","
"Name=\"%s\"",
hostname, vSwitch->data->Name);
/* Get the sepsd instance ID out of the XML response */
sepsdInstanceID = hypervGetInstanceIDFromXMLResponse(sepsdResponse);
sepsdInstanceEscaped = virStringReplace(sepsdInstanceID, "\\", "\\\\");
sepsd__PATH = g_strdup_printf("\\\\%s\\root\\virtualization\\v2:"
"Msvm_SyntheticEthernetPortSettingData.InstanceID=\"%s\"",
hostname, sepsdInstanceEscaped);
connectionResourceType = g_strdup_printf("%d", MSVM_RASD_RESOURCETYPE_ETHERNET_CONNECTION);
connectionResource = hypervCreateEmbeddedParam(Msvm_EthernetPortAllocationSettingData_WmiInfo);
if (!connectionResource)
return -1;
if (hypervSetEmbeddedProperty(connectionResource, "EnabledState", enabledState) < 0)
return -1;
if (hypervSetEmbeddedProperty(connectionResource, "HostResource", switch__PATH) < 0)
return -1;
if (hypervSetEmbeddedProperty(connectionResource, "Parent", sepsd__PATH) < 0)
return -1;
if (hypervSetEmbeddedProperty(connectionResource, "ResourceType", connectionResourceType) < 0)
return -1;
if (hypervSetEmbeddedProperty(connectionResource,
"ResourceSubType", "Microsoft:Hyper-V:Ethernet Connection") < 0)
return -1;
if (hypervMsvmVSMSAddResourceSettings(domain, &connectionResource,
Msvm_EthernetPortAllocationSettingData_WmiInfo, NULL) < 0)
return -1;
return 0;
}
/*
* Functions for deserializing device entries
*/
@ -2674,6 +2800,14 @@ hypervDomainDefineXML(virConnectPtr conn, const char *xml)
}
}
/* Attach networks */
for (i = 0; i < def->nnets; i++) {
if (hypervDomainAttachSyntheticEthernetAdapter(domain, def->nets[i], hostname) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach network %lu"), i);
goto error;
}
}
return domain;
error:
@ -2777,6 +2911,10 @@ hypervDomainAttachDeviceFlags(virDomainPtr domain, const char *xml, unsigned int
if (hypervDomainAttachSerial(domain, dev->data.chr) < 0)
return -1;
break;
case VIR_DOMAIN_DEVICE_NET:
if (hypervDomainAttachSyntheticEthernetAdapter(domain, dev->data.net, hostname) < 0)
return -1;
break;
default:
/* unsupported device type */
virReportError(VIR_ERR_INTERNAL_ERROR,

2
src/hyperv/hyperv_wmi_classes.h
View File

@ -108,6 +108,7 @@ enum _Msvm_ResourceAllocationSettingData_ResourceType {
MSVM_RASD_RESOURCETYPE_OTHER = 1,
MSVM_RASD_RESOURCETYPE_IDE_CONTROLLER = 5,
MSVM_RASD_RESOURCETYPE_PARALLEL_SCSI_HBA = 6,
MSVM_RASD_RESOURCETYPE_ETHERNET_ADAPTER = 10,
MSVM_RASD_RESOURCETYPE_DISKETTE_DRIVE = 14,
MSVM_RASD_RESOURCETYPE_CD_DRIVE = 15,
MSVM_RASD_RESOURCETYPE_DVD_DRIVE = 16,
@ -115,6 +116,7 @@ enum _Msvm_ResourceAllocationSettingData_ResourceType {
MSVM_RASD_RESOURCETYPE_STORAGE_EXTENT = 19,
MSVM_RASD_RESOURCETYPE_SERIAL_PORT = 21,
MSVM_RASD_RESOURCETYPE_LOGICAL_DISK = 31,
MSVM_RASD_RESOURCETYPE_ETHERNET_CONNECTION = 33,
};

32
src/hyperv/hyperv_wmi_generator.input
View File

@ -936,3 +936,35 @@ class Msvm_VirtualEthernetSwitch
uint32 MaxVMQOffloads
uint32 MaxIOVOffloads
end
class Msvm_VirtualEthernetSwitchManagementService
string InstanceID
string Caption
string Description
string ElementName
datetime InstallDate
string Name
uint16 OperationalStatus[]
string StatusDescriptions[]
string Status
uint16 HealthState
uint16 CommunicationStatus
uint16 DetailedStatus
uint16 OperatingStatus
uint16 PrimaryStatus
uint16 EnabledState
string OtherEnabledState
uint16 RequestedState
uint16 EnabledDefault
datetime TimeOfLastStateChange
uint16 AvailableRequestedStates[]
uint16 TransitioningToState
string SystemCreationClassName
string SystemName
string CreationClassName
string PrimaryOwnerName
string PrimaryOwnerContact
string StartMode
boolean Started
end