--- /dev/null
+/*
+ * Dynamic device configuration and creation.
+ *
+ * Copyright (c) 2009 CodeSourcery
+ *
+ * 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 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/>.
+ */
+
+#include "hw/qdev.h"
+#include "hw/sysbus.h"
+#include "monitor/monitor.h"
+#include "monitor/qdev.h"
+#include "qmp-commands.h"
+#include "sysemu/arch_init.h"
+#include "qapi/qmp/qerror.h"
+#include "qemu/config-file.h"
+#include "qemu/error-report.h"
+
+/*
+ * Aliases were a bad idea from the start. Let's keep them
+ * from spreading further.
+ */
+typedef struct QDevAlias
+{
+ const char *typename;
+ const char *alias;
+ uint32_t arch_mask;
+} QDevAlias;
+
+static const QDevAlias qdev_alias_table[] = {
+ { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-balloon-pci", "virtio-balloon",
+ QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X },
+ { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X },
+ { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X },
+ { "lsi53c895a", "lsi" },
+ { "ich9-ahci", "ahci" },
+ { "kvm-pci-assign", "pci-assign" },
+ { }
+};
+
+static const char *qdev_class_get_alias(DeviceClass *dc)
+{
+ const char *typename = object_class_get_name(OBJECT_CLASS(dc));
+ int i;
+
+ for (i = 0; qdev_alias_table[i].typename; i++) {
+ if (qdev_alias_table[i].arch_mask &&
+ !(qdev_alias_table[i].arch_mask & arch_type)) {
+ continue;
+ }
+
+ if (strcmp(qdev_alias_table[i].typename, typename) == 0) {
+ return qdev_alias_table[i].alias;
+ }
+ }
+
+ return NULL;
+}
+
+static bool qdev_class_has_alias(DeviceClass *dc)
+{
+ return (qdev_class_get_alias(dc) != NULL);
+}
+
+static void qdev_print_devinfo(DeviceClass *dc)
+{
+ error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
+ if (dc->bus_type) {
+ error_printf(", bus %s", dc->bus_type);
+ }
+ if (qdev_class_has_alias(dc)) {
+ error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
+ }
+ if (dc->desc) {
+ error_printf(", desc \"%s\"", dc->desc);
+ }
+ if (dc->cannot_instantiate_with_device_add_yet) {
+ error_printf(", no-user");
+ }
+ error_printf("\n");
+}
+
+static gint devinfo_cmp(gconstpointer a, gconstpointer b)
+{
+ return strcasecmp(object_class_get_name((ObjectClass *)a),
+ object_class_get_name((ObjectClass *)b));
+}
+
+static void qdev_print_devinfos(bool show_no_user)
+{
+ static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = {
+ [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub",
+ [DEVICE_CATEGORY_USB] = "USB",
+ [DEVICE_CATEGORY_STORAGE] = "Storage",
+ [DEVICE_CATEGORY_NETWORK] = "Network",
+ [DEVICE_CATEGORY_INPUT] = "Input",
+ [DEVICE_CATEGORY_DISPLAY] = "Display",
+ [DEVICE_CATEGORY_SOUND] = "Sound",
+ [DEVICE_CATEGORY_MISC] = "Misc",
+ [DEVICE_CATEGORY_MAX] = "Uncategorized",
+ };
+ GSList *list, *elt;
+ int i;
+ bool cat_printed;
+
+ list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false),
+ devinfo_cmp);
+
+ for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) {
+ cat_printed = false;
+ for (elt = list; elt; elt = elt->next) {
+ DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
+ TYPE_DEVICE);
+ if ((i < DEVICE_CATEGORY_MAX
+ ? !test_bit(i, dc->categories)
+ : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX))
+ || (!show_no_user
+ && dc->cannot_instantiate_with_device_add_yet)) {
+ continue;
+ }
+ if (!cat_printed) {
+ error_printf("%s%s devices:\n", i ? "\n" : "",
+ cat_name[i]);
+ cat_printed = true;
+ }
+ qdev_print_devinfo(dc);
+ }
+ }
+
+ g_slist_free(list);
+}
+
+static int set_property(void *opaque, const char *name, const char *value,
+ Error **errp)
+{
+ Object *obj = opaque;
+ Error *err = NULL;
+
+ if (strcmp(name, "driver") == 0)
+ return 0;
+ if (strcmp(name, "bus") == 0)
+ return 0;
+
+ object_property_parse(obj, value, name, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return -1;
+ }
+ return 0;
+}
+
+static const char *find_typename_by_alias(const char *alias)
+{
+ int i;
+
+ for (i = 0; qdev_alias_table[i].alias; i++) {
+ if (qdev_alias_table[i].arch_mask &&
+ !(qdev_alias_table[i].arch_mask & arch_type)) {
+ continue;
+ }
+
+ if (strcmp(qdev_alias_table[i].alias, alias) == 0) {
+ return qdev_alias_table[i].typename;
+ }
+ }
+
+ return NULL;
+}
+
+static DeviceClass *qdev_get_device_class(const char **driver, Error **errp)
+{
+ ObjectClass *oc;
+ DeviceClass *dc;
+
+ oc = object_class_by_name(*driver);
+ if (!oc) {
+ const char *typename = find_typename_by_alias(*driver);
+
+ if (typename) {
+ *driver = typename;
+ oc = object_class_by_name(*driver);
+ }
+ }
+
+ if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
+ error_setg(errp, "'%s' is not a valid device model name", *driver);
+ return NULL;
+ }
+
+ if (object_class_is_abstract(oc)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
+ "non-abstract device type");
+ return NULL;
+ }
+
+ dc = DEVICE_CLASS(oc);
+ if (dc->cannot_instantiate_with_device_add_yet ||
+ (qdev_hotplug && !dc->hotpluggable)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
+ "pluggable device type");
+ return NULL;
+ }
+
+ return dc;
+}
+
+
+int qdev_device_help(QemuOpts *opts)
+{
+ Error *local_err = NULL;
+ const char *driver;
+ DevicePropertyInfoList *prop_list;
+ DevicePropertyInfoList *prop;
+
+ driver = qemu_opt_get(opts, "driver");
+ if (driver && is_help_option(driver)) {
+ qdev_print_devinfos(false);
+ return 1;
+ }
+
+ if (!driver || !qemu_opt_has_help_opt(opts)) {
+ return 0;
+ }
+
+ qdev_get_device_class(&driver, &local_err);
+ if (local_err) {
+ goto error;
+ }
+
+ prop_list = qmp_device_list_properties(driver, &local_err);
+ if (local_err) {
+ goto error;
+ }
+
+ for (prop = prop_list; prop; prop = prop->next) {
+ error_printf("%s.%s=%s", driver,
+ prop->value->name,
+ prop->value->type);
+ if (prop->value->has_description) {
+ error_printf(" (%s)\n", prop->value->description);
+ } else {
+ error_printf("\n");
+ }
+ }
+
+ qapi_free_DevicePropertyInfoList(prop_list);
+ return 1;
+
+error:
+ error_printf("%s\n", error_get_pretty(local_err));
+ error_free(local_err);
+ return 1;
+}
+
+static Object *qdev_get_peripheral(void)
+{
+ static Object *dev;
+
+ if (dev == NULL) {
+ dev = container_get(qdev_get_machine(), "/peripheral");
+ }
+
+ return dev;
+}
+
+static Object *qdev_get_peripheral_anon(void)
+{
+ static Object *dev;
+
+ if (dev == NULL) {
+ dev = container_get(qdev_get_machine(), "/peripheral-anon");
+ }
+
+ return dev;
+}
+
+#if 0 /* conversion from qerror_report() to error_set() broke their use */
+static void qbus_list_bus(DeviceState *dev)
+{
+ BusState *child;
+ const char *sep = " ";
+
+ error_printf("child buses at \"%s\":",
+ dev->id ? dev->id : object_get_typename(OBJECT(dev)));
+ QLIST_FOREACH(child, &dev->child_bus, sibling) {
+ error_printf("%s\"%s\"", sep, child->name);
+ sep = ", ";
+ }
+ error_printf("\n");
+}
+
+static void qbus_list_dev(BusState *bus)
+{
+ BusChild *kid;
+ const char *sep = " ";
+
+ error_printf("devices at \"%s\":", bus->name);
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev)));
+ if (dev->id)
+ error_printf("/\"%s\"", dev->id);
+ sep = ", ";
+ }
+ error_printf("\n");
+}
+#endif
+
+static BusState *qbus_find_bus(DeviceState *dev, char *elem)
+{
+ BusState *child;
+
+ QLIST_FOREACH(child, &dev->child_bus, sibling) {
+ if (strcmp(child->name, elem) == 0) {
+ return child;
+ }
+ }
+ return NULL;
+}
+
+static DeviceState *qbus_find_dev(BusState *bus, char *elem)
+{
+ BusChild *kid;
+
+ /*
+ * try to match in order:
+ * (1) instance id, if present
+ * (2) driver name
+ * (3) driver alias, if present
+ */
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ if (dev->id && strcmp(dev->id, elem) == 0) {
+ return dev;
+ }
+ }
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) {
+ return dev;
+ }
+ }
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ DeviceClass *dc = DEVICE_GET_CLASS(dev);
+
+ if (qdev_class_has_alias(dc) &&
+ strcmp(qdev_class_get_alias(dc), elem) == 0) {
+ return dev;
+ }
+ }
+ return NULL;
+}
+
+static inline bool qbus_is_full(BusState *bus)
+{
+ BusClass *bus_class = BUS_GET_CLASS(bus);
+ return bus_class->max_dev && bus->max_index >= bus_class->max_dev;
+}
+
+/*
+ * Search the tree rooted at @bus for a bus.
+ * If @name, search for a bus with that name. Note that bus names
+ * need not be unique. Yes, that's screwed up.
+ * Else search for a bus that is a subtype of @bus_typename.
+ * If more than one exists, prefer one that can take another device.
+ * Return the bus if found, else %NULL.
+ */
+static BusState *qbus_find_recursive(BusState *bus, const char *name,
+ const char *bus_typename)
+{
+ BusChild *kid;
+ BusState *pick, *child, *ret;
+ bool match;
+
+ assert(name || bus_typename);
+ if (name) {
+ match = !strcmp(bus->name, name);
+ } else {
+ match = !!object_dynamic_cast(OBJECT(bus), bus_typename);
+ }
+
+ if (match && !qbus_is_full(bus)) {
+ return bus; /* root matches and isn't full */
+ }
+
+ pick = match ? bus : NULL;
+
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ QLIST_FOREACH(child, &dev->child_bus, sibling) {
+ ret = qbus_find_recursive(child, name, bus_typename);
+ if (ret && !qbus_is_full(ret)) {
+ return ret; /* a descendant matches and isn't full */
+ }
+ if (ret && !pick) {
+ pick = ret;
+ }
+ }
+ }
+
+ /* root or a descendant matches, but is full */
+ return pick;
+}
+
+static BusState *qbus_find(const char *path, Error **errp)
+{
+ DeviceState *dev;
+ BusState *bus;
+ char elem[128];
+ int pos, len;
+
+ /* find start element */
+ if (path[0] == '/') {
+ bus = sysbus_get_default();
+ pos = 0;
+ } else {
+ if (sscanf(path, "%127[^/]%n", elem, &len) != 1) {
+ assert(!path[0]);
+ elem[0] = len = 0;
+ }
+ bus = qbus_find_recursive(sysbus_get_default(), elem, NULL);
+ if (!bus) {
+ error_setg(errp, "Bus '%s' not found", elem);
+ return NULL;
+ }
+ pos = len;
+ }
+
+ for (;;) {
+ assert(path[pos] == '/' || !path[pos]);
+ while (path[pos] == '/') {
+ pos++;
+ }
+ if (path[pos] == '\0') {
+ break;
+ }
+
+ /* find device */
+ if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) {
+ g_assert_not_reached();
+ elem[0] = len = 0;
+ }
+ pos += len;
+ dev = qbus_find_dev(bus, elem);
+ if (!dev) {
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
+ if (!monitor_cur_is_qmp()) {
+ qbus_list_dev(bus);
+ }
+#endif
+ return NULL;
+ }
+
+ assert(path[pos] == '/' || !path[pos]);
+ while (path[pos] == '/') {
+ pos++;
+ }
+ if (path[pos] == '\0') {
+ /* last specified element is a device. If it has exactly
+ * one child bus accept it nevertheless */
+ if (dev->num_child_bus == 1) {
+ bus = QLIST_FIRST(&dev->child_bus);
+ break;
+ }
+ if (dev->num_child_bus) {
+ error_setg(errp, "Device '%s' has multiple child buses",
+ elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
+ if (!monitor_cur_is_qmp()) {
+ qbus_list_bus(dev);
+ }
+#endif
+ } else {
+ error_setg(errp, "Device '%s' has no child bus", elem);
+ }
+ return NULL;
+ }
+
+ /* find bus */
+ if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) {
+ g_assert_not_reached();
+ elem[0] = len = 0;
+ }
+ pos += len;
+ bus = qbus_find_bus(dev, elem);
+ if (!bus) {
+ error_setg(errp, "Bus '%s' not found", elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
+ if (!monitor_cur_is_qmp()) {
+ qbus_list_bus(dev);
+ }
+#endif
+ return NULL;
+ }
+ }
+
+ if (qbus_is_full(bus)) {
+ error_setg(errp, "Bus '%s' is full", path);
+ return NULL;
+ }
+ return bus;
+}
+
+DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
+{
+ DeviceClass *dc;
+ const char *driver, *path, *id;
+ DeviceState *dev;
+ BusState *bus = NULL;
+ Error *err = NULL;
+
+ driver = qemu_opt_get(opts, "driver");
+ if (!driver) {
+ error_setg(errp, QERR_MISSING_PARAMETER, "driver");
+ return NULL;
+ }
+
+ /* find driver */
+ dc = qdev_get_device_class(&driver, errp);
+ if (!dc) {
+ return NULL;
+ }
+
+ /* find bus */
+ path = qemu_opt_get(opts, "bus");
+ if (path != NULL) {
+ bus = qbus_find(path, errp);
+ if (!bus) {
+ return NULL;
+ }
+ if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) {
+ error_setg(errp, "Device '%s' can't go on %s bus",
+ driver, object_get_typename(OBJECT(bus)));
+ return NULL;
+ }
+ } else if (dc->bus_type != NULL) {
+ bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type);
+ if (!bus || qbus_is_full(bus)) {
+ error_setg(errp, "No '%s' bus found for device '%s'",
+ dc->bus_type, driver);
+ return NULL;
+ }
+ }
+ if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) {
+ error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name);
+ return NULL;
+ }
+
+ /* create device */
+ dev = DEVICE(object_new(driver));
+
+ if (bus) {
+ qdev_set_parent_bus(dev, bus);
+ }
+
+ id = qemu_opts_id(opts);
+ if (id) {
+ dev->id = id;
+ }
+
+ if (dev->id) {
+ object_property_add_child(qdev_get_peripheral(), dev->id,
+ OBJECT(dev), NULL);
+ } else {
+ static int anon_count;
+ gchar *name = g_strdup_printf("device[%d]", anon_count++);
+ object_property_add_child(qdev_get_peripheral_anon(), name,
+ OBJECT(dev), NULL);
+ g_free(name);
+ }
+
+ /* set properties */
+ if (qemu_opt_foreach(opts, set_property, dev, &err)) {
+ error_propagate(errp, err);
+ object_unparent(OBJECT(dev));
+ object_unref(OBJECT(dev));
+ return NULL;
+ }
+
+ dev->opts = opts;
+ object_property_set_bool(OBJECT(dev), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ dev->opts = NULL;
+ object_unparent(OBJECT(dev));
+ object_unref(OBJECT(dev));
+ return NULL;
+ }
+ return dev;
+}
+
+
+#define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__)
+static void qbus_print(Monitor *mon, BusState *bus, int indent);
+
+static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props,
+ int indent)
+{
+ if (!props)
+ return;
+ for (; props->name; props++) {
+ Error *err = NULL;
+ char *value;
+ char *legacy_name = g_strdup_printf("legacy-%s", props->name);
+ if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
+ value = object_property_get_str(OBJECT(dev), legacy_name, &err);
+ } else {
+ value = object_property_print(OBJECT(dev), props->name, true, &err);
+ }
+ g_free(legacy_name);
+
+ if (err) {
+ error_free(err);
+ continue;
+ }
+ qdev_printf("%s = %s\n", props->name,
+ value && *value ? value : "<null>");
+ g_free(value);
+ }
+}
+
+static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent)
+{
+ BusClass *bc = BUS_GET_CLASS(bus);
+
+ if (bc->print_dev) {
+ bc->print_dev(mon, dev, indent);
+ }
+}
+
+static void qdev_print(Monitor *mon, DeviceState *dev, int indent)
+{
+ ObjectClass *class;
+ BusState *child;
+ NamedGPIOList *ngl;
+
+ qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)),
+ dev->id ? dev->id : "");
+ indent += 2;
+ QLIST_FOREACH(ngl, &dev->gpios, node) {
+ if (ngl->num_in) {
+ qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "",
+ ngl->num_in);
+ }
+ if (ngl->num_out) {
+ qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "",
+ ngl->num_out);
+ }
+ }
+ class = object_get_class(OBJECT(dev));
+ do {
+ qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent);
+ class = object_class_get_parent(class);
+ } while (class != object_class_by_name(TYPE_DEVICE));
+ bus_print_dev(dev->parent_bus, mon, dev, indent);
+ QLIST_FOREACH(child, &dev->child_bus, sibling) {
+ qbus_print(mon, child, indent);
+ }
+}
+
+static void qbus_print(Monitor *mon, BusState *bus, int indent)
+{
+ BusChild *kid;
+
+ qdev_printf("bus: %s\n", bus->name);
+ indent += 2;
+ qdev_printf("type %s\n", object_get_typename(OBJECT(bus)));
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ qdev_print(mon, dev, indent);
+ }
+}
+#undef qdev_printf
+
+void hmp_info_qtree(Monitor *mon, const QDict *qdict)
+{
+ if (sysbus_get_default())
+ qbus_print(mon, sysbus_get_default(), 0);
+}
+
+void hmp_info_qdm(Monitor *mon, const QDict *qdict)
+{
+ qdev_print_devinfos(true);
+}
+
+typedef struct QOMCompositionState {
+ Monitor *mon;
+ int indent;
+} QOMCompositionState;
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent);
+
+static int print_qom_composition_child(Object *obj, void *opaque)
+{
+ QOMCompositionState *s = opaque;
+
+ print_qom_composition(s->mon, obj, s->indent);
+
+ return 0;
+}
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent)
+{
+ QOMCompositionState s = {
+ .mon = mon,
+ .indent = indent + 2,
+ };
+ char *name;
+
+ if (obj == object_get_root()) {
+ name = g_strdup("");
+ } else {
+ name = object_get_canonical_path_component(obj);
+ }
+ monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name,
+ object_get_typename(obj));
+ g_free(name);
+ object_child_foreach(obj, print_qom_composition_child, &s);
+}
+
+void hmp_info_qom_tree(Monitor *mon, const QDict *dict)
+{
+ const char *path = qdict_get_try_str(dict, "path");
+ Object *obj;
+ bool ambiguous = false;
+
+ if (path) {
+ obj = object_resolve_path(path, &ambiguous);
+ if (!obj) {
+ monitor_printf(mon, "Path '%s' could not be resolved.\n", path);
+ return;
+ }
+ if (ambiguous) {
+ monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path);
+ return;
+ }
+ } else {
+ obj = qdev_get_machine();
+ }
+ print_qom_composition(mon, obj, 0);
+}
+
+void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
+{
+ Error *local_err = NULL;
+ QemuOpts *opts;
+ DeviceState *dev;
+
+ opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+ if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
+ qemu_opts_del(opts);
+ return;
+ }
+ dev = qdev_device_add(opts, &local_err);
+ if (!dev) {
+ error_propagate(errp, local_err);
+ qemu_opts_del(opts);
+ return;
+ }
+ object_unref(OBJECT(dev));
+}
+
+void qmp_device_del(const char *id, Error **errp)
+{
+ Object *obj;
+ char *root_path = object_get_canonical_path(qdev_get_peripheral());
+ char *path = g_strdup_printf("%s/%s", root_path, id);
+
+ g_free(root_path);
+ obj = object_resolve_path_type(path, TYPE_DEVICE, NULL);
+ g_free(path);
+
+ if (!obj) {
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", id);
+ return;
+ }
+
+ qdev_unplug(DEVICE(obj), errp);
+}
+
+void qdev_machine_init(void)
+{
+ qdev_get_peripheral_anon();
+ qdev_get_peripheral();
+}
+
+QemuOptsList qemu_device_opts = {
+ .name = "device",
+ .implied_opt_name = "driver",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any
+ * sanity checking will happen later
+ * when setting device properties
+ */
+ { /* end of list */ }
+ },
+};
+
+QemuOptsList qemu_global_opts = {
+ .name = "global",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
+ .desc = {
+ {
+ .name = "driver",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "property",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "value",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
+int qemu_global_option(const char *str)
+{
+ char driver[64], property[64];
+ QemuOpts *opts;
+ int rc, offset;
+
+ rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset);
+ if (rc == 2 && str[offset] == '=') {
+ opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort);
+ qemu_opt_set(opts, "driver", driver, &error_abort);
+ qemu_opt_set(opts, "property", property, &error_abort);
+ qemu_opt_set(opts, "value", str + offset + 1, &error_abort);
+ return 0;
+ }
+
+ opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false);
+ if (!opts) {
+ return -1;
+ }
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff