Example #1
0
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;
}
Example #2
0
unsigned int
openvzGetNodeCPUs(void)
{
    virNodeInfo nodeinfo;

    if (nodeGetInfo(NULL, &nodeinfo) < 0)
        return 0;

    return nodeinfo.cpus;
}
Example #3
0
/*
 * 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;
}
Example #4
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;
}
Example #5
0
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;
}