[PATCH v2 5/6] hyperv: implement domainSetVcpus and domainSetVcpusFlags

Co-authored-by: Sri Ramanujam <sramanujam(a)datto.com&gt; Signed-off-by: Matt Coleman <matt(a)datto.com&gt; --- src/hyperv/hyperv_driver.c | 56 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c index 44ef4c53e0..40739595ac 100644 --- a/src/hyperv/hyperv_driver.c +++ b/src/hyperv/hyperv_driver.c @@ -1078,6 +1078,60 @@ hypervDomainGetState(virDomainPtr domain, int *state, int *reason, } +static int +hypervDomainSetVcpusFlags(virDomainPtr domain, + unsigned int nvcpus, + unsigned int flags) +{ + int result = -1; + char uuid_string[VIR_UUID_STRING_BUFLEN]; + hypervPrivate *priv = domain->conn->privateData; + Msvm_VirtualSystemSettingData *vssd = NULL; + Msvm_ProcessorSettingData *proc_sd = NULL; + g_autoptr(GHashTable) vcpuResource = NULL; + g_autofree char *nvcpus_str = g_strdup_printf("%u", nvcpus); + + virCheckFlags(0, -1); + + virUUIDFormat(domain->uuid, uuid_string); + + if (hypervGetMsvmVirtualSystemSettingDataFromUUID(priv, uuid_string, &vssd) < 0) + goto cleanup; + + if (hypervGetProcessorSD(priv, vssd->data->InstanceID, &proc_sd) < 0) + goto cleanup; + + vcpuResource = hypervCreateEmbeddedParam(Msvm_ProcessorSettingData_WmiInfo); + if (!vcpuResource) + goto cleanup; + + if (hypervSetEmbeddedProperty(vcpuResource, "VirtualQuantity", nvcpus_str) < 0) + goto cleanup; + + if (hypervSetEmbeddedProperty(vcpuResource, "InstanceID", proc_sd->data->InstanceID) < 0) + goto cleanup; + + if (hypervMsvmVSMSModifyResourceSettings(priv, &vcpuResource, + Msvm_ProcessorSettingData_WmiInfo) < 0) + goto cleanup; + + result = 0; + + cleanup: + hypervFreeObject(priv, (hypervObject *)vssd); + hypervFreeObject(priv, (hypervObject *)proc_sd); + + return result; +} + + +static int +hypervDomainSetVcpus(virDomainPtr domain, unsigned int nvcpus) +{ + return hypervDomainSetVcpusFlags(domain, nvcpus, 0); +} + + static int hypervDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags) { @@ -1991,6 +2045,8 @@ static virHypervisorDriver hypervHypervisorDriver = { .domainSetMemoryFlags = hypervDomainSetMemoryFlags, /* 3.6.0 */ .domainGetInfo = hypervDomainGetInfo, /* 0.9.5 */ .domainGetState = hypervDomainGetState, /* 0.9.5 */ + .domainSetVcpus = hypervDomainSetVcpus, /* 6.10.0 */ + .domainSetVcpusFlags = hypervDomainSetVcpusFlags, /* 6.10.0 */ .domainGetVcpusFlags = hypervDomainGetVcpusFlags, /* 6.10.0 */ .domainGetVcpus = hypervDomainGetVcpus, /* 6.10.0 */ .domainGetMaxVcpus = hypervDomainGetMaxVcpus, /* 6.10.0 */ -- 2.27.0