/*

 * libvirt-gconfig-capabilities-cpu.c: libvirt CPU capabilities

 *

 * Copyright (C) 2008 Daniel P. Berrange

 * Copyright (C) 2010-2012 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 *

 * Authors: Zeeshan Ali <zeenix@redhat.com>

 *          Daniel P. Berrange <berrange@redhat.com>

 */

#include <config.h>

#include "libvirt-gconfig/libvirt-gconfig.h"

#include "libvirt-gconfig/libvirt-gconfig-private.h"

#define GVIR_CONFIG_CAPABILITIES_CPU_GET_PRIVATE(obj)                         \

        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_CONFIG_TYPE_CAPABILITIES_CPU, GVirConfigCapabilitiesCpuPrivate))

struct _GVirConfigCapabilitiesCpuPrivate

{

    gboolean unused;

};

G_DEFINE_TYPE_WITH_PRIVATE(GVirConfigCapabilitiesCpu, gvir_config_capabilities_cpu, GVIR_CONFIG_TYPE_OBJECT);

static GList *

_gvir_config_capabilities_cpu_get_features(GVirConfigCapabilitiesCpu *cpu);

static void gvir_config_capabilities_cpu_class_init(GVirConfigCapabilitiesCpuClass *klass)

{

    klass->get_features = _gvir_config_capabilities_cpu_get_features;

}

static void gvir_config_capabilities_cpu_init(GVirConfigCapabilitiesCpu *cpu)

{

    cpu->priv = GVIR_CONFIG_CAPABILITIES_CPU_GET_PRIVATE(cpu);

}

const gchar *

gvir_config_capabilities_cpu_get_arch(GVirConfigCapabilitiesCpu *cpu)

{

    return gvir_config_object_get_node_content(GVIR_CONFIG_OBJECT(cpu), "arch");

}

/**

 * gvir_config_capabilities_cpu_add_feature:

 *

 * Adds a new feature to CPU.

 */

void gvir_config_capabilities_cpu_add_feature(GVirConfigCapabilitiesCpu *cpu,

                                              GVirConfigCapabilitiesCpuFeature *feature)

{

    g_return_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU(cpu));

    g_return_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU_FEATURE(feature));

    gvir_config_object_attach_add(GVIR_CONFIG_OBJECT(cpu),

                                  GVIR_CONFIG_OBJECT(feature));

}

struct GetFeatureData {

    GVirConfigXmlDoc *doc;

    const gchar *schema;

    GList *features;

    GType type;

};

static gboolean add_feature(xmlNodePtr node, gpointer opaque)

{

    struct GetFeatureData* data = (struct GetFeatureData*)opaque;

    GVirConfigObject *feature;

    if (g_strcmp0((const gchar *)node->name, "feature") != 0)

        return TRUE;

    feature = gvir_config_object_new_from_tree

                                (data->type,

                                 data->doc,

                                 data->schema,

                                 node);

    if (feature != NULL)

        data->features = g_list_append(data->features, feature);

    else

        g_debug("Failed to parse %s node", node->name);

    return TRUE;

}

G_GNUC_INTERNAL GList *

gvir_config_capabilities_cpu_get_features_with_type(GVirConfigCapabilitiesCpu *cpu,

                                                    GType type)

{

    struct GetFeatureData data;

    g_return_val_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU(cpu), NULL);

    data.schema = gvir_config_object_get_schema(GVIR_CONFIG_OBJECT(cpu));

    g_object_get(G_OBJECT(cpu), "doc", &data.doc, NULL);

    g_return_val_if_fail(data.doc != NULL, NULL);

    data.features = NULL;

    data.type = type;

    gvir_config_object_foreach_child(GVIR_CONFIG_OBJECT(cpu),

                                     NULL,

                                     add_feature,

                                     &data);

    g_clear_object(&data.doc);

    return data.features;

}

static GList *

_gvir_config_capabilities_cpu_get_features(GVirConfigCapabilitiesCpu *cpu)

{

    return gvir_config_capabilities_cpu_get_features_with_type(

                        cpu, GVIR_CONFIG_TYPE_CAPABILITIES_CPU_FEATURE);

}

/**

 * gvir_config_capabilities_cpu_get_features:

 *

 * Gets the features of this CPU.

 *

 * Returns: (element-type LibvirtGConfig.CapabilitiesCpuFeature) (transfer full):

 * a newly allocated #GList of #GVirConfigCapabilitiesCpuFeature.

 */

GList *

gvir_config_capabilities_cpu_get_features(GVirConfigCapabilitiesCpu *cpu)

{

    return GVIR_CONFIG_CAPABILITIES_CPU_GET_CLASS(cpu)->get_features(cpu);

}

/**

 * gvir_config_capabilities_cpu_get_topology:

 *

 * Gets the topology of the cpu.

 *

 * Returns: (transfer full): a new #GVirConfigCapabilitiesCpuTopology.

 */

GVirConfigCapabilitiesCpuTopology *

gvir_config_capabilities_cpu_get_topology(GVirConfigCapabilitiesCpu *cpu)

{

    GVirConfigObject *object;

    g_return_val_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU(cpu), NULL);

    object = gvir_config_object_get_child_with_type

                                (GVIR_CONFIG_OBJECT(cpu),

                                 "topology",

                                 GVIR_CONFIG_TYPE_CAPABILITIES_CPU_TOPOLOGY);

    return GVIR_CONFIG_CAPABILITIES_CPU_TOPOLOGY(object);

}

/**

 * gvir_config_capabilities_cpu_set_topology:

 *

 * Sets the topology of the cpu.

 */

void

gvir_config_capabilities_cpu_set_topology(GVirConfigCapabilitiesCpu *cpu,

                                          GVirConfigCapabilitiesCpuTopology *topology)

{

    g_return_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU(cpu));

    g_return_if_fail(topology == NULL || GVIR_CONFIG_IS_CAPABILITIES_CPU_TOPOLOGY(topology));

    gvir_config_object_attach_replace(GVIR_CONFIG_OBJECT(cpu),

                                      "topology",

                                      GVIR_CONFIG_OBJECT(topology));

}

/**

 * gvir_config_capabilities_cpu_get_model:

 *

 * Gets the model of the cpu.

 *

 * Returns: (transfer full): a new #GVirConfigCapabilitiesCpuModel.

 */

GVirConfigCapabilitiesCpuModel *

gvir_config_capabilities_cpu_get_model(GVirConfigCapabilitiesCpu *cpu)

{

    GVirConfigObject *object;

    g_return_val_if_fail(GVIR_CONFIG_IS_CAPABILITIES_CPU(cpu), NULL);

    object = gvir_config_object_get_child_with_type

                                (GVIR_CONFIG_OBJECT(cpu),

                                 "model",

                                 GVIR_CONFIG_TYPE_CAPABILITIES_CPU_MODEL);

    return GVIR_CONFIG_CAPABILITIES_CPU_MODEL(object);

}