2e269f3d9d
The previous commit broke the additional messages explaining the error messages. Improve the error messages, so they don't need explaining so much. Helps QMP users as well, unlike additional explanations. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
758 lines
20 KiB
C
758 lines
20 KiB
C
#include "hw/hw.h"
|
|
#include "hw/usb.h"
|
|
#include "hw/qdev.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "monitor/monitor.h"
|
|
#include "trace.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 = 0;
|
|
} else {
|
|
dev->attached = 1;
|
|
}
|
|
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_handle_destroy(USBDevice *dev)
|
|
{
|
|
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
|
|
if (klass->handle_destroy) {
|
|
klass->handle_destroy(dev);
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
if (dev->attached) {
|
|
usb_device_detach(dev);
|
|
}
|
|
usb_device_handle_destroy(dev);
|
|
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_setg(errp, "Failed to initialize USB device '%s': %s",
|
|
name, error_get_pretty(err));
|
|
error_free(err);
|
|
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++;
|
|
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--;
|
|
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\n",
|
|
bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
|
|
dev->product_desc);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
|
|
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;
|
|
}
|
|
|
|
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_report("Failed to initialize USB device '%s': %s",
|
|
f->name, error_get_pretty(err));
|
|
error_free(err);
|
|
object_unparent(OBJECT(dev));
|
|
return NULL;
|
|
}
|
|
return dev;
|
|
}
|
|
|
|
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),
|
|
.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)
|