+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/usb.h"
#include "hw/qdev.h"
+#include "qapi/error.h"
+#include "qemu/error-report.h"
#include "sysemu/sysemu.h"
#include "monitor/monitor.h"
#include "trace.h"
+#include "qemu/cutils.h"
static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
static void usb_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
k->print_dev = usb_bus_dev_print;
k->get_dev_path = usb_get_dev_path;
k->get_fw_dev_path = usb_get_fw_dev_path;
+ hc->unplug = qdev_simple_device_unplug_cb;
}
static const TypeInfo usb_bus_info = {
.parent = TYPE_BUS,
.instance_size = sizeof(USBBus),
.class_init = usb_bus_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
};
static int next_usb_bus = 0;
USBDevice *dev = opaque;
if (dev->state == USB_STATE_NOTATTACHED) {
- dev->attached = 0;
+ dev->attached = false;
} else {
- dev->attached = 1;
+ dev->attached = true;
}
if (dev->setup_index < 0 ||
dev->setup_len < 0 ||
USBBusOps *ops, DeviceState *host)
{
qbus_create_inplace(bus, bus_size, TYPE_USB_BUS, host, NULL);
+ qbus_set_bus_hotplug_handler(BUS(bus), &error_abort);
bus->ops = ops;
bus->busnr = next_usb_bus++;
- bus->qbus.allow_hotplug = 1; /* Yes, we can */
QTAILQ_INIT(&bus->free);
QTAILQ_INIT(&bus->used);
QTAILQ_INSERT_TAIL(&busses, bus, next);
if (klass->realize) {
klass->realize(dev, errp);
- } else if (klass->init) {
- klass->init(dev);
}
}
return NULL;
}
-static void usb_device_handle_destroy(USBDevice *dev)
+static void usb_device_unrealize(USBDevice *dev, Error **errp)
{
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
- if (klass->handle_destroy) {
- klass->handle_destroy(dev);
+
+ if (klass->unrealize) {
+ klass->unrealize(dev, errp);
}
}
static void usb_qdev_unrealize(DeviceState *qdev, Error **errp)
{
USBDevice *dev = USB_DEVICE(qdev);
+ USBDescString *s, *next;
+
+ QLIST_FOREACH_SAFE(s, &dev->strings, next, next) {
+ QLIST_REMOVE(s, next);
+ g_free(s->str);
+ g_free(s);
+ }
if (dev->attached) {
usb_device_detach(dev);
}
- usb_device_handle_destroy(dev);
+ usb_device_unrealize(dev, errp);
if (dev->port) {
usb_release_port(dev);
}
return USB_DEVICE(dev);
}
-USBDevice *usb_create_simple(USBBus *bus, const char *name)
+static USBDevice *usb_try_create_simple(USBBus *bus, const char *name,
+ Error **errp)
{
- USBDevice *dev = usb_create(bus, name);
- int rc;
+ Error *err = NULL;
+ USBDevice *dev;
+ dev = USB_DEVICE(qdev_try_create(&bus->qbus, name));
if (!dev) {
- error_report("Failed to create USB device '%s'", name);
+ error_setg(errp, "Failed to create USB device '%s'", name);
return NULL;
}
- rc = qdev_init(&dev->qdev);
- if (rc < 0) {
- error_report("Failed to initialize USB device '%s'", name);
+ object_property_set_bool(OBJECT(dev), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ error_prepend(errp, "Failed to initialize USB device '%s': ",
+ name);
+ object_unparent(OBJECT(dev));
return NULL;
}
return dev;
}
+USBDevice *usb_create_simple(USBBus *bus, const char *name)
+{
+ return usb_try_create_simple(bus, name, &error_abort);
+}
+
static void usb_fill_port(USBPort *port, void *opaque, int index,
USBPortOps *ops, int speedmask)
{
bus->nfree++;
}
-int usb_register_companion(const char *masterbus, USBPort *ports[],
- uint32_t portcount, uint32_t firstport,
- void *opaque, USBPortOps *ops, int speedmask)
+void usb_register_companion(const char *masterbus, USBPort *ports[],
+ uint32_t portcount, uint32_t firstport,
+ void *opaque, USBPortOps *ops, int speedmask,
+ Error **errp)
{
USBBus *bus;
int i;
}
}
- if (!bus || !bus->ops->register_companion) {
- qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus",
- "an USB masterbus");
- if (bus) {
- error_printf_unless_qmp(
- "USB bus '%s' does not allow companion controllers\n",
- masterbus);
- }
- return -1;
+ if (!bus) {
+ error_setg(errp, "USB bus '%s' not found", masterbus);
+ return;
+ }
+ if (!bus->ops->register_companion) {
+ error_setg(errp, "Can't use USB bus '%s' as masterbus,"
+ " it doesn't support companion controllers",
+ masterbus);
+ return;
}
for (i = 0; i < portcount; i++) {
usb_fill_port(ports[i], opaque, i, ops, speedmask);
}
- return bus->ops->register_companion(bus, ports, portcount, firstport);
+ bus->ops->register_companion(bus, ports, portcount, firstport, errp);
}
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
}
}
if (port == NULL) {
- error_setg(errp, "Error: usb port %s (bus %s) not found (in use?)",
+ error_setg(errp, "usb port %s (bus %s) not found (in use?)",
dev->port_path, bus->qbus.name);
return;
}
} else {
if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) {
/* Create a new hub and chain it on */
- usb_create_simple(bus, "usb-hub");
+ usb_try_create_simple(bus, "usb-hub", NULL);
}
if (bus->nfree == 0) {
- error_setg(errp, "Error: tried to attach usb device %s to a bus "
+ error_setg(errp, "tried to attach usb device %s to a bus "
"with no free ports", dev->product_desc);
return;
}
}
}
-void usb_device_attach(USBDevice *dev, Error **errp)
+void usb_check_attach(USBDevice *dev, Error **errp)
{
USBBus *bus = usb_bus_from_device(dev);
USBPort *port = dev->port;
bus->qbus.name, port->path, portspeed);
return;
}
+}
+
+void usb_device_attach(USBDevice *dev, Error **errp)
+{
+ USBPort *port = dev->port;
+ Error *local_err = NULL;
+
+ usb_check_attach(dev, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
- dev->attached++;
+ dev->attached = true;
usb_attach(port);
}
trace_usb_port_detach(bus->busnr, port->path);
usb_detach(port);
- dev->attached--;
+ dev->attached = false;
return 0;
}
return fw_path;
}
-void usb_info(Monitor *mon, const QDict *qdict)
+void hmp_info_usb(Monitor *mon, const QDict *qdict)
{
USBBus *bus;
USBDevice *dev;
dev = port->dev;
if (!dev)
continue;
- monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
- bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
- dev->product_desc);
+ monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, "
+ "Product %s%s%s\n",
+ bus->busnr, dev->addr, port->path,
+ usb_speed(dev->speed), dev->product_desc,
+ dev->qdev.id ? ", ID: " : "",
+ dev->qdev.id ?: "");
}
}
}
{
USBBus *bus = usb_bus_find(-1 /* any */);
LegacyUSBFactory *f = NULL;
+ Error *err = NULL;
GSList *i;
char driver[32];
const char *params;
int len;
+ USBDevice *dev;
params = strchr(cmdline,':');
if (params) {
return NULL;
}
- if (!f->usbdevice_init) {
+ if (f->usbdevice_init) {
+ dev = f->usbdevice_init(bus, params);
+ } else {
if (*params) {
error_report("usbdevice %s accepts no params", driver);
return NULL;
}
- return usb_create_simple(bus, f->name);
+ dev = usb_create(bus, f->name);
+ }
+ if (!dev) {
+ error_report("Failed to create USB device '%s'", f->name);
+ return NULL;
+ }
+ object_property_set_bool(OBJECT(dev), true, "realized", &err);
+ if (err) {
+ error_reportf_err(err, "Failed to initialize USB device '%s': ",
+ f->name);
+ object_unparent(OBJECT(dev));
+ return NULL;
+ }
+ return dev;
+}
+
+static bool usb_get_attached(Object *obj, Error **errp)
+{
+ USBDevice *dev = USB_DEVICE(obj);
+
+ return dev->attached;
+}
+
+static void usb_set_attached(Object *obj, bool value, Error **errp)
+{
+ USBDevice *dev = USB_DEVICE(obj);
+ Error *err = NULL;
+
+ if (dev->attached == value) {
+ return;
+ }
+
+ if (value) {
+ usb_device_attach(dev, &err);
+ if (err) {
+ error_propagate(errp, err);
+ }
+ } else {
+ usb_device_detach(dev);
+ }
+}
+
+static void usb_device_instance_init(Object *obj)
+{
+ USBDevice *dev = USB_DEVICE(obj);
+ USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
+
+ if (klass->attached_settable) {
+ object_property_add_bool(obj, "attached",
+ usb_get_attached, usb_set_attached,
+ NULL);
+ } else {
+ object_property_add_bool(obj, "attached",
+ usb_get_attached, NULL,
+ NULL);
}
- return f->usbdevice_init(bus, params);
}
static void usb_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
k->bus_type = TYPE_USB_BUS;
- k->unplug = qdev_simple_unplug_cb;
k->realize = usb_qdev_realize;
k->unrealize = usb_qdev_unrealize;
k->props = usb_props;
.name = TYPE_USB_DEVICE,
.parent = TYPE_DEVICE,
.instance_size = sizeof(USBDevice),
+ .instance_init = usb_device_instance_init,
.abstract = true,
.class_size = sizeof(USBDeviceClass),
.class_init = usb_device_class_init,
projects / mirror_qemu.git / blobdiff