[qemu.git] / hw / usb-bus.c

#include "hw.h"
#include "usb.h"
#include "qdev.h"
#include "sysemu.h"
#include "monitor.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 struct BusInfo usb_bus_info = {
    .name      = "USB",
    .size      = sizeof(USBBus),
    .print_dev = usb_bus_dev_print,
    .get_dev_path = usb_get_dev_path,
    .get_fw_dev_path = usb_get_fw_dev_path,
    .props      = (Property[]) {
        DEFINE_PROP_STRING("port", USBDevice, port_path),
        DEFINE_PROP_END_OF_LIST()
    },
};
static int next_usb_bus = 0;
static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);

const VMStateDescription vmstate_usb_device = {
    .name = "USBDevice",
    .version_id = 1,
    .minimum_version_id = 1,
    .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, DeviceState *host)
{
    qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
    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);
}

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 int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
    USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
    USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
    int rc;

    pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
    dev->info = info;
    dev->auto_attach = 1;
    QLIST_INIT(&dev->strings);
    rc = dev->info->init(dev);
    if (rc == 0 && dev->auto_attach)
        usb_device_attach(dev);
    return rc;
}

static int usb_qdev_exit(DeviceState *qdev)
{
    USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);

    usb_device_detach(dev);
    if (dev->info->handle_destroy) {
        dev->info->handle_destroy(dev);
    }
    return 0;
}

void usb_qdev_register(USBDeviceInfo *info)
{
    info->qdev.bus_info = &usb_bus_info;
    info->qdev.init     = usb_qdev_init;
    info->qdev.unplug   = qdev_simple_unplug_cb;
    info->qdev.exit     = usb_qdev_exit;
    qdev_register(&info->qdev);
}

void usb_qdev_register_many(USBDeviceInfo *info)
{
    while (info->qdev.name) {
        usb_qdev_register(info);
        info++;
    }
}

USBDevice *usb_create(USBBus *bus, const char *name)
{
    DeviceState *dev;

#if 1
    /* temporary stopgap until all usb is properly qdev-ified */
    if (!bus) {
        bus = usb_bus_find(-1);
        if (!bus)
            return NULL;
        fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
                __FUNCTION__, bus->qbus.name, name);
    }
#endif

    dev = qdev_create(&bus->qbus, name);
    return DO_UPCAST(USBDevice, qdev, dev);
}

USBDevice *usb_create_simple(USBBus *bus, const char *name)
{
    USBDevice *dev = usb_create(bus, name);
    if (!dev) {
        hw_error("Failed to create USB device '%s'\n", name);
    }
    qdev_init_nofail(&dev->qdev);
    return dev;
}

void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
                       USBPortOps *ops, int speedmask)
{
    port->opaque = opaque;
    port->index = index;
    port->opaque = opaque;
    port->index = index;
    port->ops = ops;
    port->speedmask = speedmask;
    QTAILQ_INSERT_TAIL(&bus->free, port, next);
    bus->nfree++;
}

void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
{
    if (upstream) {
        snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
                 upstream->path, portnr);
    } else {
        snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
    }
}

void usb_unregister_port(USBBus *bus, USBPort *port)
{
    if (port->dev)
        qdev_free(&port->dev->qdev);
    QTAILQ_REMOVE(&bus->free, port, next);
    bus->nfree--;
}

static void do_attach(USBDevice *dev)
{
    USBBus *bus = usb_bus_from_device(dev);
    USBPort *port;

    if (dev->attached) {
        fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
                dev->product_desc);
        return;
    }
    if (dev->port_path) {
        QTAILQ_FOREACH(port, &bus->free, next) {
            if (strcmp(port->path, dev->port_path) == 0) {
                break;
            }
        }
        if (port == NULL) {
            fprintf(stderr, "Warning: usb port %s (bus %s) not found\n",
                    dev->port_path, bus->qbus.name);
            return;
        }
    } else {
        port = QTAILQ_FIRST(&bus->free);
    }

    dev->attached++;
    QTAILQ_REMOVE(&bus->free, port, next);
    bus->nfree--;

    usb_attach(port, dev);

    QTAILQ_INSERT_TAIL(&bus->used, port, next);
    bus->nused++;
}

int usb_device_attach(USBDevice *dev)
{
    USBBus *bus = usb_bus_from_device(dev);

    if (bus->nfree == 1 && dev->port_path == NULL) {
        /* Create a new hub and chain it on
           (unless a physical port location is specified). */
        usb_create_simple(bus, "usb-hub");
    }
    do_attach(dev);
    return 0;
}

int usb_device_detach(USBDevice *dev)
{
    USBBus *bus = usb_bus_from_device(dev);
    USBPort *port;

    if (!dev->attached) {
        fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
                dev->product_desc);
        return -1;
    }
    dev->attached--;

    QTAILQ_FOREACH(port, &bus->used, next) {
        if (port->dev == dev)
            break;
    }
    assert(port != NULL);

    QTAILQ_REMOVE(&bus->used, port, next);
    bus->nused--;

    usb_attach(port, NULL);

    QTAILQ_INSERT_TAIL(&bus->free, port, next);
    bus->nfree++;
    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;

    qdev_free(&dev->qdev);
    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",
    };
    if (speed >= ARRAY_SIZE(txt))
        return "?";
    return txt[speed];
}

static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent)
{
    USBDevice *dev = DO_UPCAST(USBDevice, qdev, 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 = DO_UPCAST(USBDevice, qdev, qdev);
    return qemu_strdup(dev->port->path);
}

static char *usb_get_fw_dev_path(DeviceState *qdev)
{
    USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
    char *fw_path, *in;
    int pos = 0;
    long nr;

    fw_path = qemu_malloc(32 + strlen(dev->port->path) * 6);
    in = dev->port->path;
    while (true) {
        nr = strtol(in, &in, 10);
        if (in[0] == '.') {
            /* some hub between root port and device */
            pos += sprintf(fw_path + pos, "hub@%ld/", nr);
            in++;
        } else {
            /* the device itself */
            pos += sprintf(fw_path + pos, "%s@%ld", qdev_fw_name(qdev), nr);
            break;
        }
    }
    return fw_path;
}

void usb_info(Monitor *mon)
{
    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 */);
    DeviceInfo *info;
    USBDeviceInfo *usb;
    char driver[32];
    const char *params;
    int len;

    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 (info = device_info_list; info != NULL; info = info->next) {
        if (info->bus_info != &usb_bus_info)
            continue;
        usb = DO_UPCAST(USBDeviceInfo, qdev, info);
        if (usb->usbdevice_name == NULL)
            continue;
        if (strcmp(usb->usbdevice_name, driver) != 0)
            continue;
        break;
    }
    if (info == NULL) {
#if 0
        /* no error because some drivers are not converted (yet) */
        error_report("usbdevice %s not found", driver);
#endif
        return NULL;
    }

    if (!usb->usbdevice_init) {
        if (*params) {
            error_report("usbdevice %s accepts no params", driver);
            return NULL;
        }
        return usb_create_simple(bus, usb->qdev.name);
    }
    return usb->usbdevice_init(params);
}
Commit	Line	Data
806b6024 GH	1	#include "hw.h"
	2	#include "usb.h"
	3	#include "qdev.h"
a5d2f727 GH	4	#include "sysemu.h"
	5	#include "monitor.h"
	6
	7	static void usb_bus_dev_print(Monitor mon, DeviceState qdev, int indent);
c7a2196a GH	8
c7a2196a GH	9	static char usb_get_dev_path(DeviceState dev);
70d31cb2	10	static char usb_get_fw_dev_path(DeviceState qdev);
806b6024 GH	11
806b6024 GH	12	static struct BusInfo usb_bus_info = {
a5d2f727 GH	13	.name = "USB",
	14	.size = sizeof(USBBus),
	15	.print_dev = usb_bus_dev_print,
c7a2196a	16	.get_dev_path = usb_get_dev_path,
70d31cb2	17	.get_fw_dev_path = usb_get_fw_dev_path,
5f69076b GH	18	.props = (Property[]) {
	19	DEFINE_PROP_STRING("port", USBDevice, port_path),
	20	DEFINE_PROP_END_OF_LIST()
	21	},
806b6024 GH	22	};
806b6024 GH	23	static int next_usb_bus = 0;
72cf2d4f	24	static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
806b6024	25
c1ecb40a GH	26	const VMStateDescription vmstate_usb_device = {
	27	.name = "USBDevice",
	28	.version_id = 1,
	29	.minimum_version_id = 1,
	30	.fields = (VMStateField []) {
	31	VMSTATE_UINT8(addr, USBDevice),
	32	VMSTATE_INT32(state, USBDevice),
	33	VMSTATE_INT32(remote_wakeup, USBDevice),
	34	VMSTATE_INT32(setup_state, USBDevice),
	35	VMSTATE_INT32(setup_len, USBDevice),
	36	VMSTATE_INT32(setup_index, USBDevice),
	37	VMSTATE_UINT8_ARRAY(setup_buf, USBDevice, 8),
	38	VMSTATE_END_OF_LIST(),
	39	}
	40	};
	41
b2317837	42	void usb_bus_new(USBBus bus, DeviceState host)
806b6024	43	{
b2317837	44	qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
806b6024	45	bus->busnr = next_usb_bus++;
ef816d83	46	bus->qbus.allow_hotplug = 1; /* Yes, we can */
72cf2d4f BS	47	QTAILQ_INIT(&bus->free);
	48	QTAILQ_INIT(&bus->used);
	49	QTAILQ_INSERT_TAIL(&busses, bus, next);
806b6024 GH	50	}
	51
	52	USBBus *usb_bus_find(int busnr)
	53	{
	54	USBBus *bus;
	55
	56	if (-1 == busnr)
72cf2d4f BS	57	return QTAILQ_FIRST(&busses);
72cf2d4f BS	58	QTAILQ_FOREACH(bus, &busses, next) {
806b6024 GH	59	if (bus->busnr == busnr)
	60	return bus;
	61	}
	62	return NULL;
	63	}
	64
	65	static int usb_qdev_init(DeviceState qdev, DeviceInfo base)
	66	{
	67	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	68	USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
	69	int rc;
	70
06384698	71	pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
806b6024	72	dev->info = info;
61e094c0	73	dev->auto_attach = 1;
132a3f55	74	QLIST_INIT(&dev->strings);
806b6024	75	rc = dev->info->init(dev);
61e094c0	76	if (rc == 0 && dev->auto_attach)
a5d2f727	77	usb_device_attach(dev);
806b6024 GH	78	return rc;
	79	}
	80
a8e662b5 GH	81	static int usb_qdev_exit(DeviceState *qdev)
	82	{
	83	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	84
	85	usb_device_detach(dev);
	86	if (dev->info->handle_destroy) {
	87	dev->info->handle_destroy(dev);
	88	}
	89	return 0;
	90	}
	91
806b6024 GH	92	void usb_qdev_register(USBDeviceInfo *info)
	93	{
	94	info->qdev.bus_info = &usb_bus_info;
	95	info->qdev.init = usb_qdev_init;
ef816d83	96	info->qdev.unplug = qdev_simple_unplug_cb;
a8e662b5	97	info->qdev.exit = usb_qdev_exit;
806b6024 GH	98	qdev_register(&info->qdev);
	99	}
	100
	101	void usb_qdev_register_many(USBDeviceInfo *info)
	102	{
	103	while (info->qdev.name) {
	104	usb_qdev_register(info);
	105	info++;
	106	}
	107	}
	108
a5d2f727	109	USBDevice usb_create(USBBus bus, const char *name)
806b6024 GH	110	{
	111	DeviceState *dev;
	112
	113	#if 1
	114	/* temporary stopgap until all usb is properly qdev-ified */
	115	if (!bus) {
	116	bus = usb_bus_find(-1);
	117	if (!bus)
	118	return NULL;
	119	fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
	120	__FUNCTION__, bus->qbus.name, name);
	121	}
	122	#endif
	123
	124	dev = qdev_create(&bus->qbus, name);
806b6024 GH	125	return DO_UPCAST(USBDevice, qdev, dev);
806b6024 GH	126	}
a5d2f727 GH	127
	128	USBDevice usb_create_simple(USBBus bus, const char *name)
	129	{
	130	USBDevice *dev = usb_create(bus, name);
d44168ff PB	131	if (!dev) {
	132	hw_error("Failed to create USB device '%s'\n", name);
	133	}
e23a1b33	134	qdev_init_nofail(&dev->qdev);
a5d2f727 GH	135	return dev;
	136	}
	137
	138	void usb_register_port(USBBus bus, USBPort port, void *opaque, int index,
ace1318b	139	USBPortOps *ops, int speedmask)
a5d2f727 GH	140	{
	141	port->opaque = opaque;
	142	port->index = index;
0d86d2be GH	143	port->opaque = opaque;
	144	port->index = index;
	145	port->ops = ops;
843d4e0c	146	port->speedmask = speedmask;
72cf2d4f	147	QTAILQ_INSERT_TAIL(&bus->free, port, next);
a5d2f727 GH	148	bus->nfree++;
	149	}
	150
c7a2196a GH	151	void usb_port_location(USBPort downstream, USBPort upstream, int portnr)
	152	{
	153	if (upstream) {
	154	snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
	155	upstream->path, portnr);
	156	} else {
	157	snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
	158	}
	159	}
	160
a8e662b5 GH	161	void usb_unregister_port(USBBus bus, USBPort port)
	162	{
	163	if (port->dev)
	164	qdev_free(&port->dev->qdev);
	165	QTAILQ_REMOVE(&bus->free, port, next);
	166	bus->nfree--;
	167	}
	168
a5d2f727 GH	169	static void do_attach(USBDevice *dev)
	170	{
	171	USBBus *bus = usb_bus_from_device(dev);
	172	USBPort *port;
	173
	174	if (dev->attached) {
	175	fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
0fe6d12e	176	dev->product_desc);
a5d2f727 GH	177	return;
a5d2f727 GH	178	}
5f69076b GH	179	if (dev->port_path) {
	180	QTAILQ_FOREACH(port, &bus->free, next) {
	181	if (strcmp(port->path, dev->port_path) == 0) {
	182	break;
	183	}
	184	}
	185	if (port == NULL) {
	186	fprintf(stderr, "Warning: usb port %s (bus %s) not found\n",
	187	dev->port_path, bus->qbus.name);
	188	return;
	189	}
	190	} else {
	191	port = QTAILQ_FIRST(&bus->free);
	192	}
a5d2f727	193
5f69076b	194	dev->attached++;
72cf2d4f	195	QTAILQ_REMOVE(&bus->free, port, next);
a5d2f727 GH	196	bus->nfree--;
	197
	198	usb_attach(port, dev);
	199
72cf2d4f	200	QTAILQ_INSERT_TAIL(&bus->used, port, next);
a5d2f727 GH	201	bus->nused++;
	202	}
	203
	204	int usb_device_attach(USBDevice *dev)
	205	{
	206	USBBus *bus = usb_bus_from_device(dev);
a5d2f727	207
5f69076b GH	208	if (bus->nfree == 1 && dev->port_path == NULL) {
	209	/* Create a new hub and chain it on
	210	(unless a physical port location is specified). */
d4c4e6fd	211	usb_create_simple(bus, "usb-hub");
a5d2f727 GH	212	}
	213	do_attach(dev);
	214	return 0;
	215	}
	216
a8e662b5 GH	217	int usb_device_detach(USBDevice *dev)
	218	{
	219	USBBus *bus = usb_bus_from_device(dev);
	220	USBPort *port;
	221
	222	if (!dev->attached) {
	223	fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
0fe6d12e	224	dev->product_desc);
a8e662b5 GH	225	return -1;
	226	}
	227	dev->attached--;
	228
	229	QTAILQ_FOREACH(port, &bus->used, next) {
	230	if (port->dev == dev)
	231	break;
	232	}
	233	assert(port != NULL);
	234
	235	QTAILQ_REMOVE(&bus->used, port, next);
	236	bus->nused--;
	237
	238	usb_attach(port, NULL);
	239
	240	QTAILQ_INSERT_TAIL(&bus->free, port, next);
	241	bus->nfree++;
	242	return 0;
	243	}
	244
a5d2f727 GH	245	int usb_device_delete_addr(int busnr, int addr)
	246	{
	247	USBBus *bus;
	248	USBPort *port;
	249	USBDevice *dev;
	250
	251	bus = usb_bus_find(busnr);
	252	if (!bus)
	253	return -1;
	254
72cf2d4f	255	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	256	if (port->dev->addr == addr)
	257	break;
	258	}
	259	if (!port)
	260	return -1;
a5d2f727	261	dev = port->dev;
a5d2f727	262
a8e662b5	263	qdev_free(&dev->qdev);
a5d2f727 GH	264	return 0;
	265	}
	266
	267	static const char *usb_speed(unsigned int speed)
	268	{
	269	static const char *txt[] = {
	270	[ USB_SPEED_LOW ] = "1.5",
	271	[ USB_SPEED_FULL ] = "12",
	272	[ USB_SPEED_HIGH ] = "480",
	273	};
	274	if (speed >= ARRAY_SIZE(txt))
	275	return "?";
	276	return txt[speed];
	277	}
	278
	279	static void usb_bus_dev_print(Monitor mon, DeviceState qdev, int indent)
	280	{
	281	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	282	USBBus *bus = usb_bus_from_device(dev);
	283
c7a2196a	284	monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
66a6593a	285	indent, "", bus->busnr, dev->addr,
c7a2196a	286	dev->port ? dev->port->path : "-",
0fe6d12e	287	usb_speed(dev->speed), dev->product_desc,
66a6593a	288	dev->attached ? ", attached" : "");
a5d2f727 GH	289	}
a5d2f727 GH	290
c7a2196a GH	291	static char usb_get_dev_path(DeviceState qdev)
	292	{
	293	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	294	return qemu_strdup(dev->port->path);
	295	}
	296
70d31cb2 GH	297	static char usb_get_fw_dev_path(DeviceState qdev)
	298	{
	299	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	300	char fw_path, in;
	301	int pos = 0;
	302	long nr;
	303
	304	fw_path = qemu_malloc(32 + strlen(dev->port->path) * 6);
	305	in = dev->port->path;
	306	while (true) {
	307	nr = strtol(in, &in, 10);
	308	if (in[0] == '.') {
	309	/* some hub between root port and device */
	310	pos += sprintf(fw_path + pos, "hub@%ld/", nr);
	311	in++;
	312	} else {
	313	/* the device itself */
	314	pos += sprintf(fw_path + pos, "%s@%ld", qdev_fw_name(qdev), nr);
	315	break;
	316	}
	317	}
	318	return fw_path;
	319	}
	320
a5d2f727 GH	321	void usb_info(Monitor *mon)
	322	{
	323	USBBus *bus;
	324	USBDevice *dev;
	325	USBPort *port;
	326
72cf2d4f	327	if (QTAILQ_EMPTY(&busses)) {
a5d2f727 GH	328	monitor_printf(mon, "USB support not enabled\n");
	329	return;
	330	}
	331
72cf2d4f BS	332	QTAILQ_FOREACH(bus, &busses, next) {
72cf2d4f BS	333	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	334	dev = port->dev;
	335	if (!dev)
	336	continue;
c7a2196a GH	337	monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
c7a2196a GH	338	bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
0fe6d12e	339	dev->product_desc);
a5d2f727 GH	340	}
	341	}
	342	}
	343
0958b4cc GH	344	/* handle legacy -usbdevice cmd line option */
	345	USBDevice usbdevice_create(const char cmdline)
	346	{
	347	USBBus bus = usb_bus_find(-1 / any */);
	348	DeviceInfo *info;
	349	USBDeviceInfo *usb;
702f3e0f JK	350	char driver[32];
702f3e0f JK	351	const char *params;
0958b4cc GH	352	int len;
	353
	354	params = strchr(cmdline,':');
	355	if (params) {
	356	params++;
	357	len = params - cmdline;
	358	if (len > sizeof(driver))
	359	len = sizeof(driver);
	360	pstrcpy(driver, len, cmdline);
	361	} else {
702f3e0f	362	params = "";
0958b4cc GH	363	pstrcpy(driver, sizeof(driver), cmdline);
	364	}
	365
	366	for (info = device_info_list; info != NULL; info = info->next) {
	367	if (info->bus_info != &usb_bus_info)
	368	continue;
	369	usb = DO_UPCAST(USBDeviceInfo, qdev, info);
	370	if (usb->usbdevice_name == NULL)
	371	continue;
	372	if (strcmp(usb->usbdevice_name, driver) != 0)
	373	continue;
	374	break;
	375	}
	376	if (info == NULL) {
	377	#if 0
	378	/* no error because some drivers are not converted (yet) */
1ecda02b	379	error_report("usbdevice %s not found", driver);
0958b4cc GH	380	#endif
	381	return NULL;
	382	}
	383
	384	if (!usb->usbdevice_init) {
98f22dc1	385	if (*params) {
1ecda02b	386	error_report("usbdevice %s accepts no params", driver);
0958b4cc GH	387	return NULL;
	388	}
	389	return usb_create_simple(bus, usb->qdev.name);
	390	}
	391	return usb->usbdevice_init(params);
	392	}