[PATCH v3 4/9] hyperv: implement nodeGetFreeMemory

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 | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c index 1521cf4244..7387be1ab7 100644 --- a/src/hyperv/hyperv_driver.c +++ b/src/hyperv/hyperv_driver.c @@ -1400,6 +1400,33 @@ hypervDomainSetAutostart(virDomainPtr domain, int autostart) +static unsigned long long +hypervNodeGetFreeMemory(virConnectPtr conn) +{ + unsigned long long freeMemoryBytes = 0; + hypervPrivate *priv = conn->privateData; + Win32_OperatingSystem *operatingSystem = NULL; + g_auto(virBuffer) query = { g_string_new(WIN32_OPERATINGSYSTEM_WQL_SELECT), 0 }; + + if (hypervGetWmiClass(Win32_OperatingSystem, &operatingSystem) < 0) + return 0; + + if (!operatingSystem) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Could not get free memory for host %s"), + conn->uri->server); + return 0; + } + + freeMemoryBytes = operatingSystem->data.common->FreePhysicalMemory * 1024; + + hypervFreeObject(priv, (hypervObject *)operatingSystem); + + return freeMemoryBytes; +} + + + static int hypervConnectIsEncrypted(virConnectPtr conn) { @@ -1942,6 +1969,7 @@ static virHypervisorDriver hypervHypervisorDriver = { .domainCreateWithFlags = hypervDomainCreateWithFlags, /* 0.9.5 */ .domainGetAutostart = hypervDomainGetAutostart, /* 6.9.0 */ .domainSetAutostart = hypervDomainSetAutostart, /* 6.9.0 */ + .nodeGetFreeMemory = hypervNodeGetFreeMemory, /* 6.9.0 */ .connectIsEncrypted = hypervConnectIsEncrypted, /* 0.9.5 */ .connectIsSecure = hypervConnectIsSecure, /* 0.9.5 */ .domainIsActive = hypervDomainIsActive, /* 0.9.5 */ -- 2.27.0