*/
#include "qemu/osdep.h"
-#include "hw/qdev.h"
#include "hw/sysbus.h"
+#include "monitor/hmp.h"
#include "monitor/monitor.h"
#include "monitor/qdev.h"
-#include "qmp-commands.h"
#include "sysemu/arch_init.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-qdev.h"
+#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "qemu/help_option.h"
+#include "qemu/option.h"
+#include "qemu/qemu-print.h"
+#include "qemu/option_int.h"
#include "sysemu/block-backend.h"
+#include "sysemu/sysemu.h"
+#include "migration/misc.h"
#include "migration/migration.h"
+#include "qemu/cutils.h"
/*
* Aliases were a bad idea from the start. Let's keep them
static const QDevAlias qdev_alias_table[] = {
{ "e1000", "e1000-82540em" },
{ "ich9-ahci", "ahci" },
- { "kvm-pci-assign", "pci-assign" },
{ "lsi53c895a", "lsi" },
{ "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_S390X },
{ "virtio-9p-pci", "virtio-9p", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X },
{ "virtio-input-host-pci", "virtio-input-host",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X },
{ "virtio-keyboard-pci", "virtio-keyboard",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
static void qdev_print_devinfo(DeviceClass *dc)
{
- error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
+ qemu_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
if (dc->bus_type) {
- error_printf(", bus %s", dc->bus_type);
+ qemu_printf(", bus %s", dc->bus_type);
}
if (qdev_class_has_alias(dc)) {
- error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
+ qemu_printf(", alias \"%s\"", qdev_class_get_alias(dc));
}
if (dc->desc) {
- error_printf(", desc \"%s\"", dc->desc);
+ qemu_printf(", desc \"%s\"", dc->desc);
}
- if (dc->cannot_instantiate_with_device_add_yet) {
- error_printf(", no-user");
+ if (!dc->user_creatable) {
+ qemu_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));
+ qemu_printf("\n");
}
static void qdev_print_devinfos(bool show_no_user)
[DEVICE_CATEGORY_DISPLAY] = "Display",
[DEVICE_CATEGORY_SOUND] = "Sound",
[DEVICE_CATEGORY_MISC] = "Misc",
+ [DEVICE_CATEGORY_CPU] = "CPU",
[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);
+ list = object_class_get_list_sorted(TYPE_DEVICE, false);
for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) {
cat_printed = false;
? !test_bit(i, dc->categories)
: !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX))
|| (!show_no_user
- && dc->cannot_instantiate_with_device_add_yet)) {
+ && !dc->user_creatable)) {
continue;
}
if (!cat_printed) {
- error_printf("%s%s devices:\n", i ? "\n" : "",
- cat_name[i]);
+ qemu_printf("%s%s devices:\n", i ? "\n" : "", cat_name[i]);
cat_printed = true;
}
qdev_print_devinfo(dc);
}
dc = DEVICE_CLASS(oc);
- if (dc->cannot_instantiate_with_device_add_yet ||
+ if (!dc->user_creatable ||
(qdev_hotplug && !dc->hotpluggable)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
"pluggable device type");
{
Error *local_err = NULL;
const char *driver;
- DevicePropertyInfoList *prop_list;
- DevicePropertyInfoList *prop;
+ ObjectPropertyInfoList *prop_list;
+ ObjectPropertyInfoList *prop;
+ GPtrArray *array;
+ int i;
driver = qemu_opt_get(opts, "driver");
if (driver && is_help_option(driver)) {
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");
- }
+ if (prop_list) {
+ qemu_printf("%s options:\n", driver);
+ } else {
+ qemu_printf("There are no options for %s.\n", driver);
}
-
- qapi_free_DevicePropertyInfoList(prop_list);
+ array = g_ptr_array_new();
+ for (prop = prop_list; prop; prop = prop->next) {
+ g_ptr_array_add(array,
+ object_property_help(prop->value->name,
+ prop->value->type,
+ prop->value->default_value,
+ prop->value->description));
+ }
+ g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
+ for (i = 0; i < array->len; i++) {
+ printf("%s\n", (char *)array->pdata[i]);
+ }
+ g_ptr_array_set_free_func(array, g_free);
+ g_ptr_array_free(array, true);
+ qapi_free_ObjectPropertyInfoList(prop_list);
return 1;
error:
return dev;
}
-static void qbus_list_bus(DeviceState *dev, Error **errp)
+static void qbus_error_append_bus_list_hint(DeviceState *dev,
+ Error *const *errp)
{
BusState *child;
const char *sep = " ";
error_append_hint(errp, "\n");
}
-static void qbus_list_dev(BusState *bus, Error **errp)
+static void qbus_error_append_dev_list_hint(BusState *bus,
+ Error *const *errp)
{
BusChild *kid;
const char *sep = " ";
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;
+ return bus_class->max_dev && bus->num_children >= bus_class->max_dev;
}
/*
if (!dev) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", elem);
- qbus_list_dev(bus, errp);
+ qbus_error_append_dev_list_hint(bus, errp);
return NULL;
}
if (dev->num_child_bus) {
error_setg(errp, "Device '%s' has multiple child buses",
elem);
- qbus_list_bus(dev, errp);
+ qbus_error_append_bus_list_hint(dev, errp);
} else {
error_setg(errp, "Device '%s' has no child bus", elem);
}
bus = qbus_find_bus(dev, elem);
if (!bus) {
error_setg(errp, "Bus '%s' not found", elem);
- qbus_list_bus(dev, errp);
+ qbus_error_append_bus_list_hint(dev, errp);
return NULL;
}
}
}
}
+static int is_failover_device(void *opaque, const char *name, const char *value,
+ Error **errp)
+{
+ if (strcmp(name, "failover_pair_id") == 0) {
+ QemuOpts *opts = (QemuOpts *)opaque;
+
+ if (qdev_should_hide_device(opts)) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static bool should_hide_device(QemuOpts *opts)
+{
+ if (qemu_opt_foreach(opts, is_failover_device, opts, NULL) == 0) {
+ return false;
+ }
+ return true;
+}
+
DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
{
DeviceClass *dc;
const char *driver, *path;
- DeviceState *dev;
+ DeviceState *dev = NULL;
BusState *bus = NULL;
Error *err = NULL;
+ bool hide;
driver = qemu_opt_get(opts, "driver");
if (!driver) {
return NULL;
}
- if (only_migratable) {
- if (dc->vmsd->unmigratable) {
- error_setg(errp, "Device %s is not migratable, but "
- "--only-migratable was specified", driver);
- return NULL;
- }
- }
-
/* find bus */
path = qemu_opt_get(opts, "bus");
if (path != NULL) {
return NULL;
}
}
- if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) {
+ hide = should_hide_device(opts);
+
+ if ((hide || qdev_hotplug) && bus && !qbus_is_hotpluggable(bus)) {
error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name);
return NULL;
}
+ if (hide) {
+ return NULL;
+ }
+
+ if (!migration_is_idle()) {
+ error_setg(errp, "device_add not allowed while migrating");
+ return NULL;
+ }
+
/* create device */
dev = DEVICE(object_new(driver));
+ /* Check whether the hotplug is allowed by the machine */
+ if (qdev_hotplug && !qdev_hotplug_allowed(dev, &err)) {
+ /* Error must be set in the machine hook */
+ assert(err);
+ goto err_del_dev;
+ }
+
if (bus) {
qdev_set_parent_bus(dev, bus);
+ } else if (qdev_hotplug && !qdev_get_machine_hotplug_handler(dev)) {
+ /* No bus, no machine hotplug handler --> device is not hotpluggable */
+ error_setg(&err, "Device '%s' can not be hotplugged on this machine",
+ driver);
+ goto err_del_dev;
}
qdev_set_id(dev, qemu_opts_id(opts));
/* 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;
+ goto err_del_dev;
}
dev->opts = opts;
object_property_set_bool(OBJECT(dev), true, "realized", &err);
if (err != NULL) {
- error_propagate(errp, err);
dev->opts = NULL;
+ goto err_del_dev;
+ }
+ return dev;
+
+err_del_dev:
+ error_propagate(errp, err);
+ if (dev) {
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
- return NULL;
}
- return dev;
+ return NULL;
}
}
class = object_get_class(OBJECT(dev));
do {
- qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent);
+ 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);
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;
return DEVICE(obj);
}
+void qdev_unplug(DeviceState *dev, Error **errp)
+{
+ DeviceClass *dc = DEVICE_GET_CLASS(dev);
+ HotplugHandler *hotplug_ctrl;
+ HotplugHandlerClass *hdc;
+ Error *local_err = NULL;
+
+ if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) {
+ error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
+ return;
+ }
+
+ if (!dc->hotpluggable) {
+ error_setg(errp, QERR_DEVICE_NO_HOTPLUG,
+ object_get_typename(OBJECT(dev)));
+ return;
+ }
+
+ if (!migration_is_idle() && !dev->allow_unplug_during_migration) {
+ error_setg(errp, "device_del not allowed while migrating");
+ return;
+ }
+
+ qdev_hot_removed = true;
+
+ hotplug_ctrl = qdev_get_hotplug_handler(dev);
+ /* hotpluggable device MUST have HotplugHandler, if it doesn't
+ * then something is very wrong with it */
+ g_assert(hotplug_ctrl);
+
+ /* If device supports async unplug just request it to be done,
+ * otherwise just remove it synchronously */
+ hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl);
+ if (hdc->unplug_request) {
+ hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err);
+ } else {
+ hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
+ if (!local_err) {
+ object_unparent(OBJECT(dev));
+ }
+ }
+ error_propagate(errp, local_err);
+}
+
void qmp_device_del(const char *id, Error **errp)
{
DeviceState *dev = find_device_state(id, errp);
if (dev != NULL) {
+ if (dev->pending_deleted_event) {
+ error_setg(errp, "Device %s is already in the "
+ "process of unplug", id);
+ return;
+ }
+
qdev_unplug(dev, errp);
}
}
+void hmp_device_add(Monitor *mon, const QDict *qdict)
+{
+ Error *err = NULL;
+
+ qmp_device_add((QDict *)qdict, NULL, &err);
+ hmp_handle_error(mon, err);
+}
+
+void hmp_device_del(Monitor *mon, const QDict *qdict)
+{
+ const char *id = qdict_get_str(qdict, "id");
+ Error *err = NULL;
+
+ qmp_device_del(id, &err);
+ hmp_handle_error(mon, err);
+}
+
BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
{
DeviceState *dev;
projects / qemu.git / blobdiff