Curiously, unrealize() is not being used, but it seems more appropriate than handle_destroy() together with realize(). It is more ubiquitous destroy name in qemu code base and may throw errors. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20170221141451.28305-25-marcandre.lureau@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
834 lines
22 KiB
C
834 lines
22 KiB
C
#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"
|
|
#include "migration/migration.h"
|
|
|
|
static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
|
|
|
|
static char *usb_get_dev_path(DeviceState *dev);
|
|
static char *usb_get_fw_dev_path(DeviceState *qdev);
|
|
static void usb_qdev_unrealize(DeviceState *qdev, Error **errp);
|
|
|
|
static Property usb_props[] = {
|
|
DEFINE_PROP_STRING("port", USBDevice, port_path),
|
|
DEFINE_PROP_STRING("serial", USBDevice, serial),
|
|
DEFINE_PROP_BIT("full-path", USBDevice, flags,
|
|
USB_DEV_FLAG_FULL_PATH, true),
|
|
DEFINE_PROP_BIT("msos-desc", USBDevice, flags,
|
|
USB_DEV_FLAG_MSOS_DESC_ENABLE, true),
|
|
DEFINE_PROP_END_OF_LIST()
|
|
};
|
|
|
|
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 = {
|
|
.name = TYPE_USB_BUS,
|
|
.parent = TYPE_BUS,
|
|
.instance_size = sizeof(USBBus),
|
|
.class_init = usb_bus_class_init,
|
|
.interfaces = (InterfaceInfo[]) {
|
|
{ TYPE_HOTPLUG_HANDLER },
|
|
{ }
|
|
}
|
|
};
|
|
|
|
static int next_usb_bus = 0;
|
|
static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
|
|
|
|
static int usb_device_post_load(void *opaque, int version_id)
|
|
{
|
|
USBDevice *dev = opaque;
|
|
|
|
if (dev->state == USB_STATE_NOTATTACHED) {
|
|
dev->attached = false;
|
|
} else {
|
|
dev->attached = true;
|
|
}
|
|
if (dev->setup_index < 0 ||
|
|
dev->setup_len < 0 ||
|
|
dev->setup_index > dev->setup_len ||
|
|
dev->setup_len > sizeof(dev->data_buf)) {
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const VMStateDescription vmstate_usb_device = {
|
|
.name = "USBDevice",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.post_load = usb_device_post_load,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT8(addr, USBDevice),
|
|
VMSTATE_INT32(state, USBDevice),
|
|
VMSTATE_INT32(remote_wakeup, USBDevice),
|
|
VMSTATE_INT32(setup_state, USBDevice),
|
|
VMSTATE_INT32(setup_len, USBDevice),
|
|
VMSTATE_INT32(setup_index, USBDevice),
|
|
VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8),
|
|
VMSTATE_END_OF_LIST(),
|
|
}
|
|
};
|
|
|
|
void usb_bus_new(USBBus *bus, size_t bus_size,
|
|
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++;
|
|
QTAILQ_INIT(&bus->free);
|
|
QTAILQ_INIT(&bus->used);
|
|
QTAILQ_INSERT_TAIL(&busses, bus, next);
|
|
}
|
|
|
|
void usb_bus_release(USBBus *bus)
|
|
{
|
|
assert(next_usb_bus > 0);
|
|
|
|
QTAILQ_REMOVE(&busses, bus, next);
|
|
}
|
|
|
|
USBBus *usb_bus_find(int busnr)
|
|
{
|
|
USBBus *bus;
|
|
|
|
if (-1 == busnr)
|
|
return QTAILQ_FIRST(&busses);
|
|
QTAILQ_FOREACH(bus, &busses, next) {
|
|
if (bus->busnr == busnr)
|
|
return bus;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void usb_device_realize(USBDevice *dev, Error **errp)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
|
|
if (klass->realize) {
|
|
klass->realize(dev, errp);
|
|
}
|
|
}
|
|
|
|
USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->find_device) {
|
|
return klass->find_device(dev, addr);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void usb_device_unrealize(USBDevice *dev, Error **errp)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
|
|
if (klass->unrealize) {
|
|
klass->unrealize(dev, errp);
|
|
}
|
|
}
|
|
|
|
void usb_device_cancel_packet(USBDevice *dev, USBPacket *p)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->cancel_packet) {
|
|
klass->cancel_packet(dev, p);
|
|
}
|
|
}
|
|
|
|
void usb_device_handle_attach(USBDevice *dev)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->handle_attach) {
|
|
klass->handle_attach(dev);
|
|
}
|
|
}
|
|
|
|
void usb_device_handle_reset(USBDevice *dev)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->handle_reset) {
|
|
klass->handle_reset(dev);
|
|
}
|
|
}
|
|
|
|
void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request,
|
|
int value, int index, int length, uint8_t *data)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->handle_control) {
|
|
klass->handle_control(dev, p, request, value, index, length, data);
|
|
}
|
|
}
|
|
|
|
void usb_device_handle_data(USBDevice *dev, USBPacket *p)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->handle_data) {
|
|
klass->handle_data(dev, p);
|
|
}
|
|
}
|
|
|
|
const char *usb_device_get_product_desc(USBDevice *dev)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
return klass->product_desc;
|
|
}
|
|
|
|
const USBDesc *usb_device_get_usb_desc(USBDevice *dev)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (dev->usb_desc) {
|
|
return dev->usb_desc;
|
|
}
|
|
return klass->usb_desc;
|
|
}
|
|
|
|
void usb_device_set_interface(USBDevice *dev, int interface,
|
|
int alt_old, int alt_new)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->set_interface) {
|
|
klass->set_interface(dev, interface, alt_old, alt_new);
|
|
}
|
|
}
|
|
|
|
void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->flush_ep_queue) {
|
|
klass->flush_ep_queue(dev, ep);
|
|
}
|
|
}
|
|
|
|
void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->ep_stopped) {
|
|
klass->ep_stopped(dev, ep);
|
|
}
|
|
}
|
|
|
|
int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
|
|
int streams)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->alloc_streams) {
|
|
return klass->alloc_streams(dev, eps, nr_eps, streams);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->free_streams) {
|
|
klass->free_streams(dev, eps, nr_eps);
|
|
}
|
|
}
|
|
|
|
static void usb_qdev_realize(DeviceState *qdev, Error **errp)
|
|
{
|
|
USBDevice *dev = USB_DEVICE(qdev);
|
|
Error *local_err = NULL;
|
|
|
|
pstrcpy(dev->product_desc, sizeof(dev->product_desc),
|
|
usb_device_get_product_desc(dev));
|
|
dev->auto_attach = 1;
|
|
QLIST_INIT(&dev->strings);
|
|
usb_ep_init(dev);
|
|
|
|
usb_claim_port(dev, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
|
|
usb_device_realize(dev, &local_err);
|
|
if (local_err) {
|
|
usb_release_port(dev);
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
|
|
if (dev->auto_attach) {
|
|
usb_device_attach(dev, &local_err);
|
|
if (local_err) {
|
|
usb_qdev_unrealize(qdev, NULL);
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
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_unrealize(dev, errp);
|
|
if (dev->port) {
|
|
usb_release_port(dev);
|
|
}
|
|
}
|
|
|
|
typedef struct LegacyUSBFactory
|
|
{
|
|
const char *name;
|
|
const char *usbdevice_name;
|
|
USBDevice *(*usbdevice_init)(USBBus *bus, const char *params);
|
|
} LegacyUSBFactory;
|
|
|
|
static GSList *legacy_usb_factory;
|
|
|
|
void usb_legacy_register(const char *typename, const char *usbdevice_name,
|
|
USBDevice *(*usbdevice_init)(USBBus *bus,
|
|
const char *params))
|
|
{
|
|
if (usbdevice_name) {
|
|
LegacyUSBFactory *f = g_malloc0(sizeof(*f));
|
|
f->name = typename;
|
|
f->usbdevice_name = usbdevice_name;
|
|
f->usbdevice_init = usbdevice_init;
|
|
legacy_usb_factory = g_slist_append(legacy_usb_factory, f);
|
|
}
|
|
}
|
|
|
|
USBDevice *usb_create(USBBus *bus, const char *name)
|
|
{
|
|
DeviceState *dev;
|
|
|
|
dev = qdev_create(&bus->qbus, name);
|
|
return USB_DEVICE(dev);
|
|
}
|
|
|
|
static USBDevice *usb_try_create_simple(USBBus *bus, const char *name,
|
|
Error **errp)
|
|
{
|
|
Error *err = NULL;
|
|
USBDevice *dev;
|
|
|
|
dev = USB_DEVICE(qdev_try_create(&bus->qbus, name));
|
|
if (!dev) {
|
|
error_setg(errp, "Failed to create USB device '%s'", name);
|
|
return NULL;
|
|
}
|
|
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)
|
|
{
|
|
port->opaque = opaque;
|
|
port->index = index;
|
|
port->ops = ops;
|
|
port->speedmask = speedmask;
|
|
usb_port_location(port, NULL, index + 1);
|
|
}
|
|
|
|
void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
|
|
USBPortOps *ops, int speedmask)
|
|
{
|
|
usb_fill_port(port, opaque, index, ops, speedmask);
|
|
QTAILQ_INSERT_TAIL(&bus->free, port, next);
|
|
bus->nfree++;
|
|
}
|
|
|
|
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;
|
|
|
|
QTAILQ_FOREACH(bus, &busses, next) {
|
|
if (strcmp(bus->qbus.name, masterbus) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
bus->ops->register_companion(bus, ports, portcount, firstport, errp);
|
|
}
|
|
|
|
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
|
|
{
|
|
if (upstream) {
|
|
snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
|
|
upstream->path, portnr);
|
|
downstream->hubcount = upstream->hubcount + 1;
|
|
} else {
|
|
snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
|
|
downstream->hubcount = 0;
|
|
}
|
|
}
|
|
|
|
void usb_unregister_port(USBBus *bus, USBPort *port)
|
|
{
|
|
if (port->dev) {
|
|
object_unparent(OBJECT(port->dev));
|
|
}
|
|
QTAILQ_REMOVE(&bus->free, port, next);
|
|
bus->nfree--;
|
|
}
|
|
|
|
void usb_claim_port(USBDevice *dev, Error **errp)
|
|
{
|
|
USBBus *bus = usb_bus_from_device(dev);
|
|
USBPort *port;
|
|
|
|
assert(dev->port == NULL);
|
|
|
|
if (dev->port_path) {
|
|
QTAILQ_FOREACH(port, &bus->free, next) {
|
|
if (strcmp(port->path, dev->port_path) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (port == NULL) {
|
|
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_try_create_simple(bus, "usb-hub", NULL);
|
|
}
|
|
if (bus->nfree == 0) {
|
|
error_setg(errp, "tried to attach usb device %s to a bus "
|
|
"with no free ports", dev->product_desc);
|
|
return;
|
|
}
|
|
port = QTAILQ_FIRST(&bus->free);
|
|
}
|
|
trace_usb_port_claim(bus->busnr, port->path);
|
|
|
|
QTAILQ_REMOVE(&bus->free, port, next);
|
|
bus->nfree--;
|
|
|
|
dev->port = port;
|
|
port->dev = dev;
|
|
|
|
QTAILQ_INSERT_TAIL(&bus->used, port, next);
|
|
bus->nused++;
|
|
}
|
|
|
|
void usb_release_port(USBDevice *dev)
|
|
{
|
|
USBBus *bus = usb_bus_from_device(dev);
|
|
USBPort *port = dev->port;
|
|
|
|
assert(port != NULL);
|
|
trace_usb_port_release(bus->busnr, port->path);
|
|
|
|
QTAILQ_REMOVE(&bus->used, port, next);
|
|
bus->nused--;
|
|
|
|
dev->port = NULL;
|
|
port->dev = NULL;
|
|
|
|
QTAILQ_INSERT_TAIL(&bus->free, port, next);
|
|
bus->nfree++;
|
|
}
|
|
|
|
static void usb_mask_to_str(char *dest, size_t size,
|
|
unsigned int speedmask)
|
|
{
|
|
static const struct {
|
|
unsigned int mask;
|
|
const char *name;
|
|
} speeds[] = {
|
|
{ .mask = USB_SPEED_MASK_FULL, .name = "full" },
|
|
{ .mask = USB_SPEED_MASK_HIGH, .name = "high" },
|
|
{ .mask = USB_SPEED_MASK_SUPER, .name = "super" },
|
|
};
|
|
int i, pos = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(speeds); i++) {
|
|
if (speeds[i].mask & speedmask) {
|
|
pos += snprintf(dest + pos, size - pos, "%s%s",
|
|
pos ? "+" : "",
|
|
speeds[i].name);
|
|
}
|
|
}
|
|
}
|
|
|
|
void usb_check_attach(USBDevice *dev, Error **errp)
|
|
{
|
|
USBBus *bus = usb_bus_from_device(dev);
|
|
USBPort *port = dev->port;
|
|
char devspeed[32], portspeed[32];
|
|
|
|
assert(port != NULL);
|
|
assert(!dev->attached);
|
|
usb_mask_to_str(devspeed, sizeof(devspeed), dev->speedmask);
|
|
usb_mask_to_str(portspeed, sizeof(portspeed), port->speedmask);
|
|
trace_usb_port_attach(bus->busnr, port->path,
|
|
devspeed, portspeed);
|
|
|
|
if (!(port->speedmask & dev->speedmask)) {
|
|
error_setg(errp, "Warning: speed mismatch trying to attach"
|
|
" usb device \"%s\" (%s speed)"
|
|
" to bus \"%s\", port \"%s\" (%s speed)",
|
|
dev->product_desc, devspeed,
|
|
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 = true;
|
|
usb_attach(port);
|
|
}
|
|
|
|
int usb_device_detach(USBDevice *dev)
|
|
{
|
|
USBBus *bus = usb_bus_from_device(dev);
|
|
USBPort *port = dev->port;
|
|
|
|
assert(port != NULL);
|
|
assert(dev->attached);
|
|
trace_usb_port_detach(bus->busnr, port->path);
|
|
|
|
usb_detach(port);
|
|
dev->attached = false;
|
|
return 0;
|
|
}
|
|
|
|
int usb_device_delete_addr(int busnr, int addr)
|
|
{
|
|
USBBus *bus;
|
|
USBPort *port;
|
|
USBDevice *dev;
|
|
|
|
bus = usb_bus_find(busnr);
|
|
if (!bus)
|
|
return -1;
|
|
|
|
QTAILQ_FOREACH(port, &bus->used, next) {
|
|
if (port->dev->addr == addr)
|
|
break;
|
|
}
|
|
if (!port)
|
|
return -1;
|
|
dev = port->dev;
|
|
|
|
object_unparent(OBJECT(dev));
|
|
return 0;
|
|
}
|
|
|
|
static const char *usb_speed(unsigned int speed)
|
|
{
|
|
static const char *txt[] = {
|
|
[ USB_SPEED_LOW ] = "1.5",
|
|
[ USB_SPEED_FULL ] = "12",
|
|
[ USB_SPEED_HIGH ] = "480",
|
|
[ USB_SPEED_SUPER ] = "5000",
|
|
};
|
|
if (speed >= ARRAY_SIZE(txt))
|
|
return "?";
|
|
return txt[speed];
|
|
}
|
|
|
|
static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent)
|
|
{
|
|
USBDevice *dev = USB_DEVICE(qdev);
|
|
USBBus *bus = usb_bus_from_device(dev);
|
|
|
|
monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
|
|
indent, "", bus->busnr, dev->addr,
|
|
dev->port ? dev->port->path : "-",
|
|
usb_speed(dev->speed), dev->product_desc,
|
|
dev->attached ? ", attached" : "");
|
|
}
|
|
|
|
static char *usb_get_dev_path(DeviceState *qdev)
|
|
{
|
|
USBDevice *dev = USB_DEVICE(qdev);
|
|
DeviceState *hcd = qdev->parent_bus->parent;
|
|
char *id = NULL;
|
|
|
|
if (dev->flags & (1 << USB_DEV_FLAG_FULL_PATH)) {
|
|
id = qdev_get_dev_path(hcd);
|
|
}
|
|
if (id) {
|
|
char *ret = g_strdup_printf("%s/%s", id, dev->port->path);
|
|
g_free(id);
|
|
return ret;
|
|
} else {
|
|
return g_strdup(dev->port->path);
|
|
}
|
|
}
|
|
|
|
static char *usb_get_fw_dev_path(DeviceState *qdev)
|
|
{
|
|
USBDevice *dev = USB_DEVICE(qdev);
|
|
char *fw_path, *in;
|
|
ssize_t pos = 0, fw_len;
|
|
long nr;
|
|
|
|
fw_len = 32 + strlen(dev->port->path) * 6;
|
|
fw_path = g_malloc(fw_len);
|
|
in = dev->port->path;
|
|
while (fw_len - pos > 0) {
|
|
nr = strtol(in, &in, 10);
|
|
if (in[0] == '.') {
|
|
/* some hub between root port and device */
|
|
pos += snprintf(fw_path + pos, fw_len - pos, "hub@%lx/", nr);
|
|
in++;
|
|
} else {
|
|
/* the device itself */
|
|
pos += snprintf(fw_path + pos, fw_len - pos, "%s@%lx",
|
|
qdev_fw_name(qdev), nr);
|
|
break;
|
|
}
|
|
}
|
|
return fw_path;
|
|
}
|
|
|
|
void hmp_info_usb(Monitor *mon, const QDict *qdict)
|
|
{
|
|
USBBus *bus;
|
|
USBDevice *dev;
|
|
USBPort *port;
|
|
|
|
if (QTAILQ_EMPTY(&busses)) {
|
|
monitor_printf(mon, "USB support not enabled\n");
|
|
return;
|
|
}
|
|
|
|
QTAILQ_FOREACH(bus, &busses, next) {
|
|
QTAILQ_FOREACH(port, &bus->used, next) {
|
|
dev = port->dev;
|
|
if (!dev)
|
|
continue;
|
|
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 ?: "");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* handle legacy -usbdevice cmd line option */
|
|
USBDevice *usbdevice_create(const char *cmdline)
|
|
{
|
|
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;
|
|
ObjectClass *klass;
|
|
DeviceClass *dc;
|
|
|
|
params = strchr(cmdline,':');
|
|
if (params) {
|
|
params++;
|
|
len = params - cmdline;
|
|
if (len > sizeof(driver))
|
|
len = sizeof(driver);
|
|
pstrcpy(driver, len, cmdline);
|
|
} else {
|
|
params = "";
|
|
pstrcpy(driver, sizeof(driver), cmdline);
|
|
}
|
|
|
|
for (i = legacy_usb_factory; i; i = i->next) {
|
|
f = i->data;
|
|
if (strcmp(f->usbdevice_name, driver) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (i == NULL) {
|
|
#if 0
|
|
/* no error because some drivers are not converted (yet) */
|
|
error_report("usbdevice %s not found", driver);
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
if (!bus) {
|
|
error_report("Error: no usb bus to attach usbdevice %s, "
|
|
"please try -machine usb=on and check that "
|
|
"the machine model supports USB", driver);
|
|
return NULL;
|
|
}
|
|
|
|
klass = object_class_by_name(f->name);
|
|
if (klass == NULL) {
|
|
error_report("Device '%s' not found", f->name);
|
|
return NULL;
|
|
}
|
|
|
|
dc = DEVICE_CLASS(klass);
|
|
|
|
if (only_migratable) {
|
|
if (dc->vmsd->unmigratable) {
|
|
error_report("Device %s is not migratable, but --only-migratable "
|
|
"was specified", f->name);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (f->usbdevice_init) {
|
|
dev = f->usbdevice_init(bus, params);
|
|
} else {
|
|
if (*params) {
|
|
error_report("usbdevice %s accepts no params", driver);
|
|
return NULL;
|
|
}
|
|
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);
|
|
}
|
|
}
|
|
|
|
static void usb_device_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *k = DEVICE_CLASS(klass);
|
|
k->bus_type = TYPE_USB_BUS;
|
|
k->realize = usb_qdev_realize;
|
|
k->unrealize = usb_qdev_unrealize;
|
|
k->props = usb_props;
|
|
}
|
|
|
|
static const TypeInfo usb_device_type_info = {
|
|
.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,
|
|
};
|
|
|
|
static void usb_register_types(void)
|
|
{
|
|
type_register_static(&usb_bus_info);
|
|
type_register_static(&usb_device_type_info);
|
|
}
|
|
|
|
type_init(usb_register_types)
|