static virCapsPtr
vzBuildCapabilities(void)
{
virCapsPtr caps = NULL;
virCPUDefPtr cpu = NULL;
virCPUDataPtr data = NULL;
virNodeInfo nodeinfo;
virDomainOSType ostypes[] = {
VIR_DOMAIN_OSTYPE_HVM,
VIR_DOMAIN_OSTYPE_EXE
};
virArch archs[] = { VIR_ARCH_I686, VIR_ARCH_X86_64 };
const char *const emulators[] = { "parallels", "vz" };
virDomainVirtType virt_types[] = {
VIR_DOMAIN_VIRT_PARALLELS,
VIR_DOMAIN_VIRT_VZ
};
size_t i, j, k;
if ((caps = virCapabilitiesNew(virArchFromHost(),
false, false)) == NULL)
return NULL;
if (nodeCapsInitNUMA(NULL, caps) < 0)
goto error;
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
for (k = 0; k < 2; k++)
if (vzCapsAddGuestDomain(caps, ostypes[i], archs[j],
emulators[k], virt_types[k]) < 0)
goto error;
if (nodeGetInfo(NULL, &nodeinfo))
goto error;
if (VIR_ALLOC(cpu) < 0)
goto error;
cpu->arch = caps->host.arch;
cpu->type = VIR_CPU_TYPE_HOST;
cpu->sockets = nodeinfo.sockets;
cpu->cores = nodeinfo.cores;
cpu->threads = nodeinfo.threads;
caps->host.cpu = cpu;
if (!(data = cpuNodeData(cpu->arch))
|| cpuDecode(cpu, data, NULL, 0, NULL) < 0) {
goto cleanup;
}
cleanup:
cpuDataFree(data);
return caps;
error:
virObjectUnref(caps);
goto cleanup;
}
unsigned int
openvzGetNodeCPUs(void)
{
virNodeInfo nodeinfo;
if (nodeGetInfo(NULL, &nodeinfo) < 0)
return 0;
return nodeinfo.cpus;
}
/*
* To be run while still single threaded
*/
static int virLXCControllerSetupCpuAffinity(virLXCControllerPtr ctrl)
{
int hostcpus, maxcpu = CPU_SETSIZE;
virNodeInfo nodeinfo;
virBitmapPtr cpumap, cpumapToSet;
VIR_DEBUG("Setting CPU affinity");
if (nodeGetInfo(NULL, &nodeinfo) < 0)
return -1;
/* setaffinity fails if you set bits for CPUs which
* aren't present, so we have to limit ourselves */
hostcpus = VIR_NODEINFO_MAXCPUS(nodeinfo);
if (maxcpu > hostcpus)
maxcpu = hostcpus;
cpumap = virBitmapNew(maxcpu);
if (!cpumap)
return -1;
cpumapToSet = cpumap;
if (ctrl->def->cpumask) {
cpumapToSet = ctrl->def->cpumask;
} else {
/* You may think this is redundant, but we can't assume libvirtd
* itself is running on all pCPUs, so we need to explicitly set
* the spawned LXC instance to all pCPUs if no map is given in
* its config file */
virBitmapSetAll(cpumap);
}
/* We are presuming we are running between fork/exec of LXC
* so use '0' to indicate our own process ID. No threads are
* running at this point
*/
if (virProcessInfoSetAffinity(0 /* Self */, cpumapToSet) < 0) {
virBitmapFree(cpumap);
return -1;
}
virBitmapFree(cpumap);
return 0;
}
static int
qemuCapsInitCPU(virCapsPtr caps,
const char *arch)
{
virCPUDefPtr cpu = NULL;
union cpuData *data = NULL;
virNodeInfo nodeinfo;
int ret = -1;
if (VIR_ALLOC(cpu) < 0
|| !(cpu->arch = strdup(arch))) {
virReportOOMError();
goto error;
}
if (nodeGetInfo(NULL, &nodeinfo))
goto error;
cpu->type = VIR_CPU_TYPE_HOST;
cpu->sockets = nodeinfo.sockets;
cpu->cores = nodeinfo.cores;
cpu->threads = nodeinfo.threads;
if (!(data = cpuNodeData(arch))
|| cpuDecode(cpu, data, NULL, 0, NULL) < 0)
goto error;
caps->host.cpu = cpu;
ret = 0;
cleanup:
cpuDataFree(arch, data);
return ret;
error:
virCPUDefFree(cpu);
goto cleanup;
}
static int
virBhyveCapsInitCPU(virCapsPtr caps,
virArch arch)
{
virCPUDefPtr cpu = NULL;
virCPUDataPtr data = NULL;
virNodeInfo nodeinfo;
int ret = -1;
if (VIR_ALLOC(cpu) < 0)
goto error;
cpu->arch = arch;
if (nodeGetInfo(NULL, &nodeinfo))
goto error;
cpu->type = VIR_CPU_TYPE_HOST;
cpu->sockets = nodeinfo.sockets;
cpu->cores = nodeinfo.cores;
cpu->threads = nodeinfo.threads;
caps->host.cpu = cpu;
if (!(data = cpuNodeData(arch)) ||
cpuDecode(cpu, data, NULL, 0, NULL) < 0)
goto cleanup;
ret = 0;
cleanup:
cpuDataFree(data);
return ret;
error:
virCPUDefFree(cpu);
goto cleanup;
}
static virCapsPtr
parallelsBuildCapabilities(void)
{
virCapsPtr caps = NULL;
virCPUDefPtr cpu = NULL;
virCPUDataPtr data = NULL;
virCapsGuestPtr guest;
virNodeInfo nodeinfo;
if ((caps = virCapabilitiesNew(virArchFromHost(),
false, false)) == NULL)
return NULL;
if (nodeCapsInitNUMA(caps) < 0)
goto error;
if ((guest = virCapabilitiesAddGuest(caps, "hvm",
VIR_ARCH_X86_64,
"parallels",
NULL, 0, NULL)) == NULL)
goto error;
if ((guest = virCapabilitiesAddGuest(caps, "hvm",
VIR_ARCH_I686,
"parallels",
NULL, 0, NULL)) == NULL)
goto error;
if (virCapabilitiesAddGuestDomain(guest,
"parallels", NULL, NULL, 0, NULL) == NULL)
goto error;
if ((guest = virCapabilitiesAddGuest(caps, "exe",
VIR_ARCH_X86_64,
"parallels",
NULL, 0, NULL)) == NULL)
goto error;
if (virCapabilitiesAddGuestDomain(guest,
"parallels", NULL, NULL, 0, NULL) == NULL)
goto error;
if (nodeGetInfo(&nodeinfo))
goto error;
if (VIR_ALLOC(cpu) < 0)
goto error;
cpu->arch = caps->host.arch;
cpu->type = VIR_CPU_TYPE_HOST;
cpu->sockets = nodeinfo.sockets;
cpu->cores = nodeinfo.cores;
cpu->threads = nodeinfo.threads;
caps->host.cpu = cpu;
if (!(data = cpuNodeData(cpu->arch))
|| cpuDecode(cpu, data, NULL, 0, NULL) < 0) {
goto cleanup;
}
cleanup:
cpuDataFree(data);
return caps;
error:
virObjectUnref(caps);
goto cleanup;
}