[PATCH 02/11] hyperv: implement domainUndefine and domainUndefineFlags

[Matt Coleman <mcoleman@xxxxxxxxx>]

Co-authored-by: Sri Ramanujam <sramanujam@xxxxxxxxx>
Signed-off-by: Matt Coleman <matt@xxxxxxxxx>
---
 src/hyperv/hyperv_driver.c | 60 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index 6d81deb4d9..8e16ff529f 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -1874,6 +1874,64 @@ hypervDomainCreate(virDomainPtr domain)
 }
 
 
+static int
+hypervDomainUndefineFlags(virDomainPtr domain, unsigned int flags)
+{
+    int result = -1;
+    char uuid_string[VIR_UUID_STRING_BUFLEN];
+    hypervPrivate *priv = domain->conn->privateData;
+    Msvm_ComputerSystem *computerSystem = NULL;
+    g_autoptr(hypervInvokeParamsList) params = NULL;
+    g_auto(virBuffer) eprQuery = VIR_BUFFER_INITIALIZER;
+
+    virCheckFlags(0, -1);
+
+    virUUIDFormat(domain->uuid, uuid_string);
+
+    if (hypervMsvmComputerSystemFromDomain(domain, &computerSystem) < 0)
+        goto cleanup;
+
+    /* try to shut down the VM if it's not disabled, just to be safe */
+    if (computerSystem->data->EnabledState != MSVM_COMPUTERSYSTEM_ENABLEDSTATE_DISABLED &&
+        hypervDomainShutdown(domain) < 0) {
+        goto cleanup;
+    }
+
+    /* prepare params */
+    params = hypervCreateInvokeParamsList("DestroySystem",
+                                          MSVM_VIRTUALSYSTEMMANAGEMENTSERVICE_SELECTOR,
+                                          Msvm_VirtualSystemManagementService_WmiInfo);
+
+    if (!params)
+        goto cleanup;
+
+    virBufferEscapeSQL(&eprQuery,
+                       MSVM_COMPUTERSYSTEM_WQL_SELECT "WHERE Name = '%s'",
+                       uuid_string);
+
+    if (hypervAddEprParam(params, "AffectedSystem", &eprQuery, Msvm_ComputerSystem_WmiInfo) < 0)
+        goto cleanup;
+
+    /* actually destroy the VM */
+    if (hypervInvokeMethod(priv, &params, NULL) < 0)
+        goto cleanup;
+
+    result = 0;
+
+ cleanup:
+    hypervFreeObject(priv, (hypervObject *)computerSystem);
+
+    return result;
+}
+
+
+static int
+hypervDomainUndefine(virDomainPtr domain)
+{
+    return hypervDomainUndefineFlags(domain, 0);
+}
+
+
 static int
 hypervDomainGetAutostart(virDomainPtr domain, int *autostart)
 {
@@ -2485,6 +2543,8 @@ static virHypervisorDriver hypervHypervisorDriver = {
     .connectNumOfDefinedDomains = hypervConnectNumOfDefinedDomains, /* 0.9.5 */
     .domainCreate = hypervDomainCreate, /* 0.9.5 */
     .domainCreateWithFlags = hypervDomainCreateWithFlags, /* 0.9.5 */
+    .domainUndefine = hypervDomainUndefine, /* 6.10.0 */
+    .domainUndefineFlags = hypervDomainUndefineFlags, /* 6.10.0 */
     .domainGetAutostart = hypervDomainGetAutostart, /* 6.9.0 */
     .domainSetAutostart = hypervDomainSetAutostart, /* 6.9.0 */
     .domainGetSchedulerType = hypervDomainGetSchedulerType, /* 6.10.0 */
-- 
2.27.0