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libxl: implement virConnectCompareCPU
Implement support for "virsh cpu-compare" so that we can calculate common cpu element between a pool of hosts, which had a requirement of providing host cpu description. Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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@ -62,6 +62,7 @@
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#include "network/bridge_driver.h"
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#include "network/bridge_driver.h"
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#include "locking/domain_lock.h"
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#include "locking/domain_lock.h"
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#include "virstats.h"
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#include "virstats.h"
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#include "cpu/cpu.h"
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#define VIR_FROM_THIS VIR_FROM_LIBXL
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#define VIR_FROM_THIS VIR_FROM_LIBXL
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@ -6348,6 +6349,43 @@ libxlConnectGetDomainCapabilities(virConnectPtr conn,
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}
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}
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static int
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libxlConnectCompareCPU(virConnectPtr conn,
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const char *xmlDesc,
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unsigned int flags)
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{
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libxlDriverPrivatePtr driver = conn->privateData;
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libxlDriverConfigPtr cfg;
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int ret = VIR_CPU_COMPARE_ERROR;
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bool failIncompatible;
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virCheckFlags(VIR_CONNECT_COMPARE_CPU_FAIL_INCOMPATIBLE,
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VIR_CPU_COMPARE_ERROR);
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if (virConnectCompareCPUEnsureACL(conn) < 0)
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return ret;
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failIncompatible = !!(flags & VIR_CONNECT_COMPARE_CPU_FAIL_INCOMPATIBLE);
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cfg = libxlDriverConfigGet(driver);
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if (!cfg->caps->host.cpu ||
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!cfg->caps->host.cpu->model) {
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if (failIncompatible) {
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virReportError(VIR_ERR_CPU_INCOMPATIBLE, "%s",
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_("cannot get host CPU capabilities"));
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} else {
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VIR_WARN("cannot get host CPU capabilities");
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ret = VIR_CPU_COMPARE_INCOMPATIBLE;
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}
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} else {
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ret = cpuCompareXML(cfg->caps->host.cpu, xmlDesc, failIncompatible);
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}
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virObjectUnref(cfg);
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return ret;
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}
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static virHypervisorDriver libxlHypervisorDriver = {
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static virHypervisorDriver libxlHypervisorDriver = {
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.name = LIBXL_DRIVER_NAME,
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.name = LIBXL_DRIVER_NAME,
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.connectOpen = libxlConnectOpen, /* 0.9.0 */
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.connectOpen = libxlConnectOpen, /* 0.9.0 */
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@ -6452,6 +6490,7 @@ static virHypervisorDriver libxlHypervisorDriver = {
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.nodeGetSecurityModel = libxlNodeGetSecurityModel, /* 1.2.16 */
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.nodeGetSecurityModel = libxlNodeGetSecurityModel, /* 1.2.16 */
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.domainInterfaceAddresses = libxlDomainInterfaceAddresses, /* 1.3.5 */
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.domainInterfaceAddresses = libxlDomainInterfaceAddresses, /* 1.3.5 */
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.connectGetDomainCapabilities = libxlConnectGetDomainCapabilities, /* 2.0.0 */
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.connectGetDomainCapabilities = libxlConnectGetDomainCapabilities, /* 2.0.0 */
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.connectCompareCPU = libxlConnectCompareCPU, /* 2.3.0 */
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};
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};
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static virConnectDriver libxlConnectDriver = {
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static virConnectDriver libxlConnectDriver = {
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