* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
#include "hw/qdev.h"
#include "hw/sysbus.h"
#include "monitor/monitor.h"
#include "qapi/qmp/qerror.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
+#include "qemu/help_option.h"
+#include "sysemu/block-backend.h"
+#include "migration/misc.h"
/*
* Aliases were a bad idea from the start. Let's keep them
uint32_t arch_mask;
} QDevAlias;
+/* Please keep this table sorted by typename. */
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 },
+ { "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-balloon-ccw", "virtio-balloon", QEMU_ARCH_S390X },
{ "virtio-balloon-pci", "virtio-balloon",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X },
+ { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_S390X },
+ { "virtio-gpu-pci", "virtio-gpu", 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-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X },
+ { "virtio-keyboard-pci", "virtio-keyboard",
+ QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_S390X },
+ { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X },
+ { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_S390X },
+ { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_S390X },
+ { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X },
- { "lsi53c895a", "lsi" },
- { "ich9-ahci", "ahci" },
- { "kvm-pci-assign", "pci-assign" },
- { "e1000", "e1000-82540em" },
+ { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_S390X },
+ { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ }
};
if (dc->desc) {
error_printf(", desc \"%s\"", dc->desc);
}
- if (dc->cannot_instantiate_with_device_add_yet) {
+ if (!dc->user_creatable) {
error_printf(", no-user");
}
error_printf("\n");
[DEVICE_CATEGORY_DISPLAY] = "Display",
[DEVICE_CATEGORY_SOUND] = "Sound",
[DEVICE_CATEGORY_MISC] = "Misc",
+ [DEVICE_CATEGORY_CPU] = "CPU",
[DEVICE_CATEGORY_MAX] = "Uncategorized",
};
GSList *list, *elt;
? !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) {
{
ObjectClass *oc;
DeviceClass *dc;
+ const char *original_name = *driver;
oc = object_class_by_name(*driver);
if (!oc) {
}
if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
- error_setg(errp, "'%s' is not a valid device model name", *driver);
+ if (*driver != original_name) {
+ error_setg(errp, "'%s' (alias '%s') is not a valid device model"
+ " name", original_name, *driver);
+ } else {
+ error_setg(errp, "'%s' is not a valid device model name", *driver);
+ }
return NULL;
}
}
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");
return 1;
error:
- error_printf("%s\n", error_get_pretty(local_err));
- error_free(local_err);
+ error_report_err(local_err);
return 1;
}
error_append_hint(errp, "%s\"%s\"", sep, child->name);
sep = ", ";
}
+ error_append_hint(errp, "\n");
}
static void qbus_list_dev(BusState *bus, Error **errp)
}
sep = ", ";
}
+ error_append_hint(errp, "\n");
}
static BusState *qbus_find_bus(DeviceState *dev, char *elem)
return bus;
}
+void qdev_set_id(DeviceState *dev, const char *id)
+{
+ 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);
+ }
+}
+
DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
{
DeviceClass *dc;
- const char *driver, *path, *id;
+ const char *driver, *path;
DeviceState *dev;
BusState *bus = NULL;
Error *err = NULL;
return NULL;
}
+ if (!migration_is_idle()) {
+ error_setg(errp, "device_add not allowed while migrating");
+ return NULL;
+ }
+
/* create device */
dev = DEVICE(object_new(driver));
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);
- }
+ qdev_set_id(dev, qemu_opts_id(opts));
/* set properties */
if (qemu_opt_foreach(opts, set_property, dev, &err)) {
object_unref(OBJECT(dev));
}
-void qmp_device_del(const char *id, Error **errp)
+static DeviceState *find_device_state(const char *id, Error **errp)
{
Object *obj;
if (!obj) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", id);
- return;
+ return NULL;
}
if (!object_dynamic_cast(obj, TYPE_DEVICE)) {
error_setg(errp, "%s is not a hotpluggable device", id);
+ return NULL;
+ }
+
+ return DEVICE(obj);
+}
+
+void qdev_unplug(DeviceState *dev, Error **errp)
+{
+ DeviceClass *dc = DEVICE_GET_CLASS(dev);
+ HotplugHandler *hotplug_ctrl;
+ HotplugHandlerClass *hdc;
+
+ if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) {
+ error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
return;
}
- qdev_unplug(DEVICE(obj), errp);
+ if (!dc->hotpluggable) {
+ error_setg(errp, QERR_DEVICE_NO_HOTPLUG,
+ object_get_typename(OBJECT(dev)));
+ return;
+ }
+
+ if (!migration_is_idle()) {
+ 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, errp);
+ } else {
+ hotplug_handler_unplug(hotplug_ctrl, dev, errp);
+ }
+}
+
+void qmp_device_del(const char *id, Error **errp)
+{
+ DeviceState *dev = find_device_state(id, errp);
+ if (dev != NULL) {
+ qdev_unplug(dev, errp);
+ }
+}
+
+BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
+{
+ DeviceState *dev;
+ BlockBackend *blk;
+
+ dev = find_device_state(id, errp);
+ if (dev == NULL) {
+ return NULL;
+ }
+
+ blk = blk_by_dev(dev);
+ if (!blk) {
+ error_setg(errp, "Device does not have a block device backend");
+ }
+ return blk;
}
void qdev_machine_init(void)
projects / qemu.git / blobdiff