Example #1
0
static void spapr_cpu_core_unrealize(DeviceState *dev, Error **errp)
{
    SpaprCpuCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    CPUCore *cc = CPU_CORE(dev);
    int i;

    for (i = 0; i < cc->nr_threads; i++) {
        spapr_unrealize_vcpu(sc->threads[i], sc);
    }
    g_free(sc->threads);
}
Example #2
0
static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
{
    /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
     * tries to add a sPAPR CPU core to a non-pseries machine.
     */
    SpaprMachineState *spapr =
        (SpaprMachineState *) object_dynamic_cast(qdev_get_machine(),
                                                  TYPE_SPAPR_MACHINE);
    SpaprCpuCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    CPUCore *cc = CPU_CORE(OBJECT(dev));
    Error *local_err = NULL;
    int i, j;

    if (!spapr) {
        error_setg(errp, TYPE_SPAPR_CPU_CORE " needs a pseries machine");
        return;
    }

    sc->threads = g_new(PowerPCCPU *, cc->nr_threads);
    for (i = 0; i < cc->nr_threads; i++) {
        sc->threads[i] = spapr_create_vcpu(sc, i, &local_err);
        if (local_err) {
            goto err;
        }
    }

    for (j = 0; j < cc->nr_threads; j++) {
        spapr_realize_vcpu(sc->threads[j], spapr, sc, &local_err);
        if (local_err) {
            goto err_unrealize;
        }
    }
    return;

err_unrealize:
    while (--j >= 0) {
        spapr_unrealize_vcpu(sc->threads[j], sc);
    }
err:
    while (--i >= 0) {
        spapr_delete_vcpu(sc->threads[i], sc);
    }
    g_free(sc->threads);
    error_propagate(errp, local_err);
}
Example #3
0
static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp)
{
    sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    CPUCore *cc = CPU_CORE(dev);
    int i;

    for (i = 0; i < cc->nr_threads; i++) {
        Object *obj = OBJECT(sc->threads[i]);
        DeviceState *dev = DEVICE(obj);
        CPUState *cs = CPU(dev);
        PowerPCCPU *cpu = POWERPC_CPU(cs);

        spapr_cpu_destroy(cpu);
        object_unparent(cpu->intc);
        cpu_remove_sync(cs);
        object_unparent(obj);
    }
    g_free(sc->threads);
}
Example #4
0
static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp)
{
    sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
    size_t size = object_type_get_instance_size(scc->cpu_type);
    CPUCore *cc = CPU_CORE(dev);
    int i;

    for (i = 0; i < cc->nr_threads; i++) {
        void *obj = sc->threads + i * size;
        DeviceState *dev = DEVICE(obj);
        CPUState *cs = CPU(dev);
        PowerPCCPU *cpu = POWERPC_CPU(cs);

        spapr_cpu_destroy(cpu);
        object_unparent(cpu->intc);
        cpu_remove_sync(cs);
        object_unparent(obj);
    }
    g_free(sc->threads);
}
Example #5
0
static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
{
    /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
     * tries to add a sPAPR CPU core to a non-pseries machine.
     */
    sPAPRMachineState *spapr =
        (sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
                                                  TYPE_SPAPR_MACHINE);
    sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
    CPUCore *cc = CPU_CORE(OBJECT(dev));
    Error *local_err = NULL;
    Object *obj;
    int i, j;

    if (!spapr) {
        error_setg(errp, TYPE_SPAPR_CPU_CORE " needs a pseries machine");
        return;
    }

    sc->threads = g_new(PowerPCCPU *, cc->nr_threads);
    for (i = 0; i < cc->nr_threads; i++) {
        char id[32];
        CPUState *cs;
        PowerPCCPU *cpu;

        obj = object_new(scc->cpu_type);

        cs = CPU(obj);
        cpu = sc->threads[i] = POWERPC_CPU(obj);
        cs->cpu_index = cc->core_id + i;
        spapr_set_vcpu_id(cpu, cs->cpu_index, &local_err);
        if (local_err) {
            goto err;
        }


        /* Set NUMA node for the threads belonged to core  */
        cpu->node_id = sc->node_id;

        snprintf(id, sizeof(id), "thread[%d]", i);
        object_property_add_child(OBJECT(sc), id, obj, &local_err);
        if (local_err) {
            goto err;
        }
        object_unref(obj);
    }

    for (j = 0; j < cc->nr_threads; j++) {
        obj = OBJECT(sc->threads[j]);

        spapr_cpu_core_realize_child(obj, spapr, &local_err);
        if (local_err) {
            goto err;
        }
    }
    return;

err:
    while (--i >= 0) {
        obj = OBJECT(sc->threads[i]);
        object_unparent(obj);
    }
    g_free(sc->threads);
    error_propagate(errp, local_err);
}
Example #6
0
static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
{
    /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
     * tries to add a sPAPR CPU core to a non-pseries machine.
     */
    sPAPRMachineState *spapr =
        (sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
                                                  TYPE_SPAPR_MACHINE);
    sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
    sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
    CPUCore *cc = CPU_CORE(OBJECT(dev));
    size_t size;
    Error *local_err = NULL;
    void *obj;
    int i, j;

    if (!spapr) {
        error_setg(errp, TYPE_SPAPR_CPU_CORE " needs a pseries machine");
        return;
    }

    size = object_type_get_instance_size(scc->cpu_type);
    sc->threads = g_malloc0(size * cc->nr_threads);
    for (i = 0; i < cc->nr_threads; i++) {
        char id[32];
        CPUState *cs;
        PowerPCCPU *cpu;

        obj = sc->threads + i * size;

        object_initialize(obj, size, scc->cpu_type);
        cs = CPU(obj);
        cpu = POWERPC_CPU(cs);
        cs->cpu_index = cc->core_id + i;
        cpu->vcpu_id = (cc->core_id * spapr->vsmt / smp_threads) + i;
        if (kvm_enabled() && !kvm_vcpu_id_is_valid(cpu->vcpu_id)) {
            error_setg(&local_err, "Can't create CPU with id %d in KVM",
                       cpu->vcpu_id);
            error_append_hint(&local_err, "Adjust the number of cpus to %d "
                              "or try to raise the number of threads per core\n",
                              cpu->vcpu_id * smp_threads / spapr->vsmt);
            goto err;
        }


        /* Set NUMA node for the threads belonged to core  */
        cpu->node_id = sc->node_id;

        snprintf(id, sizeof(id), "thread[%d]", i);
        object_property_add_child(OBJECT(sc), id, obj, &local_err);
        if (local_err) {
            goto err;
        }
        object_unref(obj);
    }

    for (j = 0; j < cc->nr_threads; j++) {
        obj = sc->threads + j * size;

        spapr_cpu_core_realize_child(obj, spapr, &local_err);
        if (local_err) {
            goto err;
        }
    }
    return;

err:
    while (--i >= 0) {
        obj = sc->threads + i * size;
        object_unparent(obj);
    }
    g_free(sc->threads);
    error_propagate(errp, local_err);
}