*/
#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 "sysemu/arch_init.h"
#include "qapi/error.h"
-#include "qapi/qapi-commands-misc.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"
/*
* Aliases were a bad idea from the start. Let's keep them
return (qdev_class_get_alias(dc) != NULL);
}
-static void out_printf(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- monitor_vfprintf(stdout, fmt, ap);
- va_end(ap);
-}
-
static void qdev_print_devinfo(DeviceClass *dc)
{
- out_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) {
- out_printf(", bus %s", dc->bus_type);
+ qemu_printf(", bus %s", dc->bus_type);
}
if (qdev_class_has_alias(dc)) {
- out_printf(", alias \"%s\"", qdev_class_get_alias(dc));
+ qemu_printf(", alias \"%s\"", qdev_class_get_alias(dc));
}
if (dc->desc) {
- out_printf(", desc \"%s\"", dc->desc);
+ qemu_printf(", desc \"%s\"", dc->desc);
}
if (!dc->user_creatable) {
- out_printf(", no-user");
+ qemu_printf(", no-user");
}
- out_printf("\n");
+ qemu_printf("\n");
}
static void qdev_print_devinfos(bool show_no_user)
continue;
}
if (!cat_printed) {
- out_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);
goto error;
}
+ if (prop_list) {
+ qemu_printf("%s options:\n", driver);
+ } else {
+ qemu_printf("There are no options for %s.\n", driver);
+ }
for (prop = prop_list; prop; prop = prop->next) {
- out_printf("%s.%s=%s", driver, prop->value->name, prop->value->type);
+ int len;
+ qemu_printf(" %s=<%s>%n", prop->value->name, prop->value->type, &len);
if (prop->value->has_description) {
- out_printf(" (%s)\n", prop->value->description);
+ if (len < 24) {
+ qemu_printf("%*s", 24 - len, "");
+ }
+ qemu_printf(" - %s\n", prop->value->description);
} else {
- out_printf("\n");
+ qemu_printf("\n");
}
}
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;
}
/*
}
}
+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 (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)) {
err_del_dev:
error_propagate(errp, err);
- object_unparent(OBJECT(dev));
- object_unref(OBJECT(dev));
+ if (dev) {
+ object_unparent(OBJECT(dev));
+ object_unref(OBJECT(dev));
+ }
return NULL;
}
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;
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 (!migration_is_idle()) {
+ if (!migration_is_idle() && !dev->allow_unplug_during_migration) {
error_setg(errp, "device_del not allowed while migrating");
return;
}
* otherwise just remove it synchronously */
hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl);
if (hdc->unplug_request) {
- hotplug_handler_unplug_request(hotplug_ctrl, dev, errp);
+ hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err);
} else {
- hotplug_handler_unplug(hotplug_ctrl, dev, errp);
+ 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)
}
}
+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 / thirdparty / qemu.git / blobdiff