[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, USBBusOps *ops, DeviceState *host)
{
    qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
    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);
}

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);
    USBBus *bus = usb_bus_from_device(dev);

    usb_device_detach(dev);
    bus->ops->device_destroy(bus, 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;
    ssize_t pos = 0, fw_len;
    long nr;

    fw_len = 32 + strlen(dev->port->path) * 6;
    fw_path = qemu_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@%ld/", nr);
            in++;
        } else {
            /* the device itself */
            pos += snprintf(fw_path + pos, fw_len - 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
07771f6f	42	void usb_bus_new(USBBus bus, USBBusOps ops, DeviceState *host)
806b6024	43	{
b2317837	44	qbus_create_inplace(&bus->qbus, &usb_bus_info, host, NULL);
07771f6f	45	bus->ops = ops;
806b6024	46	bus->busnr = next_usb_bus++;
ef816d83	47	bus->qbus.allow_hotplug = 1; /* Yes, we can */
72cf2d4f BS	48	QTAILQ_INIT(&bus->free);
	49	QTAILQ_INIT(&bus->used);
	50	QTAILQ_INSERT_TAIL(&busses, bus, next);
806b6024 GH	51	}
	52
	53	USBBus *usb_bus_find(int busnr)
	54	{
	55	USBBus *bus;
	56
	57	if (-1 == busnr)
72cf2d4f BS	58	return QTAILQ_FIRST(&busses);
72cf2d4f BS	59	QTAILQ_FOREACH(bus, &busses, next) {
806b6024 GH	60	if (bus->busnr == busnr)
	61	return bus;
	62	}
	63	return NULL;
	64	}
	65
	66	static int usb_qdev_init(DeviceState qdev, DeviceInfo base)
	67	{
	68	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	69	USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
	70	int rc;
	71
06384698	72	pstrcpy(dev->product_desc, sizeof(dev->product_desc), info->product_desc);
806b6024	73	dev->info = info;
61e094c0	74	dev->auto_attach = 1;
132a3f55	75	QLIST_INIT(&dev->strings);
806b6024	76	rc = dev->info->init(dev);
61e094c0	77	if (rc == 0 && dev->auto_attach)
a5d2f727	78	usb_device_attach(dev);
806b6024 GH	79	return rc;
	80	}
	81
a8e662b5 GH	82	static int usb_qdev_exit(DeviceState *qdev)
	83	{
	84	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
07771f6f	85	USBBus *bus = usb_bus_from_device(dev);
a8e662b5 GH	86
a8e662b5 GH	87	usb_device_detach(dev);
07771f6f	88	bus->ops->device_destroy(bus, dev);
a8e662b5 GH	89	if (dev->info->handle_destroy) {
	90	dev->info->handle_destroy(dev);
	91	}
	92	return 0;
	93	}
	94
806b6024 GH	95	void usb_qdev_register(USBDeviceInfo *info)
	96	{
	97	info->qdev.bus_info = &usb_bus_info;
	98	info->qdev.init = usb_qdev_init;
ef816d83	99	info->qdev.unplug = qdev_simple_unplug_cb;
a8e662b5	100	info->qdev.exit = usb_qdev_exit;
806b6024 GH	101	qdev_register(&info->qdev);
	102	}
	103
	104	void usb_qdev_register_many(USBDeviceInfo *info)
	105	{
	106	while (info->qdev.name) {
	107	usb_qdev_register(info);
	108	info++;
	109	}
	110	}
	111
a5d2f727	112	USBDevice usb_create(USBBus bus, const char *name)
806b6024 GH	113	{
	114	DeviceState *dev;
	115
	116	#if 1
	117	/* temporary stopgap until all usb is properly qdev-ified */
	118	if (!bus) {
	119	bus = usb_bus_find(-1);
	120	if (!bus)
	121	return NULL;
	122	fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
	123	__FUNCTION__, bus->qbus.name, name);
	124	}
	125	#endif
	126
	127	dev = qdev_create(&bus->qbus, name);
806b6024 GH	128	return DO_UPCAST(USBDevice, qdev, dev);
806b6024 GH	129	}
a5d2f727 GH	130
	131	USBDevice usb_create_simple(USBBus bus, const char *name)
	132	{
	133	USBDevice *dev = usb_create(bus, name);
d44168ff PB	134	if (!dev) {
	135	hw_error("Failed to create USB device '%s'\n", name);
	136	}
e23a1b33	137	qdev_init_nofail(&dev->qdev);
a5d2f727 GH	138	return dev;
	139	}
	140
	141	void usb_register_port(USBBus bus, USBPort port, void *opaque, int index,
ace1318b	142	USBPortOps *ops, int speedmask)
a5d2f727 GH	143	{
	144	port->opaque = opaque;
	145	port->index = index;
0d86d2be GH	146	port->opaque = opaque;
	147	port->index = index;
	148	port->ops = ops;
843d4e0c	149	port->speedmask = speedmask;
72cf2d4f	150	QTAILQ_INSERT_TAIL(&bus->free, port, next);
a5d2f727 GH	151	bus->nfree++;
	152	}
	153
c7a2196a GH	154	void usb_port_location(USBPort downstream, USBPort upstream, int portnr)
	155	{
	156	if (upstream) {
	157	snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
	158	upstream->path, portnr);
	159	} else {
	160	snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
	161	}
	162	}
	163
a8e662b5 GH	164	void usb_unregister_port(USBBus bus, USBPort port)
	165	{
	166	if (port->dev)
	167	qdev_free(&port->dev->qdev);
	168	QTAILQ_REMOVE(&bus->free, port, next);
	169	bus->nfree--;
	170	}
	171
a5d2f727 GH	172	static void do_attach(USBDevice *dev)
	173	{
	174	USBBus *bus = usb_bus_from_device(dev);
	175	USBPort *port;
	176
	177	if (dev->attached) {
	178	fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
0fe6d12e	179	dev->product_desc);
a5d2f727 GH	180	return;
a5d2f727 GH	181	}
5f69076b GH	182	if (dev->port_path) {
	183	QTAILQ_FOREACH(port, &bus->free, next) {
	184	if (strcmp(port->path, dev->port_path) == 0) {
	185	break;
	186	}
	187	}
	188	if (port == NULL) {
	189	fprintf(stderr, "Warning: usb port %s (bus %s) not found\n",
	190	dev->port_path, bus->qbus.name);
	191	return;
	192	}
	193	} else {
	194	port = QTAILQ_FIRST(&bus->free);
	195	}
a5d2f727	196
5f69076b	197	dev->attached++;
72cf2d4f	198	QTAILQ_REMOVE(&bus->free, port, next);
a5d2f727 GH	199	bus->nfree--;
	200
	201	usb_attach(port, dev);
	202
72cf2d4f	203	QTAILQ_INSERT_TAIL(&bus->used, port, next);
a5d2f727 GH	204	bus->nused++;
	205	}
	206
	207	int usb_device_attach(USBDevice *dev)
	208	{
	209	USBBus *bus = usb_bus_from_device(dev);
a5d2f727	210
5f69076b GH	211	if (bus->nfree == 1 && dev->port_path == NULL) {
	212	/* Create a new hub and chain it on
	213	(unless a physical port location is specified). */
d4c4e6fd	214	usb_create_simple(bus, "usb-hub");
a5d2f727 GH	215	}
	216	do_attach(dev);
	217	return 0;
	218	}
	219
a8e662b5 GH	220	int usb_device_detach(USBDevice *dev)
	221	{
	222	USBBus *bus = usb_bus_from_device(dev);
	223	USBPort *port;
	224
	225	if (!dev->attached) {
	226	fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
0fe6d12e	227	dev->product_desc);
a8e662b5 GH	228	return -1;
	229	}
	230	dev->attached--;
	231
	232	QTAILQ_FOREACH(port, &bus->used, next) {
	233	if (port->dev == dev)
	234	break;
	235	}
	236	assert(port != NULL);
	237
	238	QTAILQ_REMOVE(&bus->used, port, next);
	239	bus->nused--;
	240
	241	usb_attach(port, NULL);
	242
	243	QTAILQ_INSERT_TAIL(&bus->free, port, next);
	244	bus->nfree++;
	245	return 0;
	246	}
	247
a5d2f727 GH	248	int usb_device_delete_addr(int busnr, int addr)
	249	{
	250	USBBus *bus;
	251	USBPort *port;
	252	USBDevice *dev;
	253
	254	bus = usb_bus_find(busnr);
	255	if (!bus)
	256	return -1;
	257
72cf2d4f	258	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	259	if (port->dev->addr == addr)
	260	break;
	261	}
	262	if (!port)
	263	return -1;
a5d2f727	264	dev = port->dev;
a5d2f727	265
a8e662b5	266	qdev_free(&dev->qdev);
a5d2f727 GH	267	return 0;
	268	}
	269
	270	static const char *usb_speed(unsigned int speed)
	271	{
	272	static const char *txt[] = {
	273	[ USB_SPEED_LOW ] = "1.5",
	274	[ USB_SPEED_FULL ] = "12",
	275	[ USB_SPEED_HIGH ] = "480",
	276	};
	277	if (speed >= ARRAY_SIZE(txt))
	278	return "?";
	279	return txt[speed];
	280	}
	281
	282	static void usb_bus_dev_print(Monitor mon, DeviceState qdev, int indent)
	283	{
	284	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	285	USBBus *bus = usb_bus_from_device(dev);
	286
c7a2196a	287	monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
66a6593a	288	indent, "", bus->busnr, dev->addr,
c7a2196a	289	dev->port ? dev->port->path : "-",
0fe6d12e	290	usb_speed(dev->speed), dev->product_desc,
66a6593a	291	dev->attached ? ", attached" : "");
a5d2f727 GH	292	}
a5d2f727 GH	293
c7a2196a GH	294	static char usb_get_dev_path(DeviceState qdev)
	295	{
	296	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	297	return qemu_strdup(dev->port->path);
	298	}
	299
70d31cb2 GH	300	static char usb_get_fw_dev_path(DeviceState qdev)
	301	{
	302	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	303	char fw_path, in;
ea87e95f	304	ssize_t pos = 0, fw_len;
70d31cb2 GH	305	long nr;
70d31cb2 GH	306
ea87e95f BS	307	fw_len = 32 + strlen(dev->port->path) * 6;
ea87e95f BS	308	fw_path = qemu_malloc(fw_len);
70d31cb2	309	in = dev->port->path;
ea87e95f	310	while (fw_len - pos > 0) {
70d31cb2 GH	311	nr = strtol(in, &in, 10);
	312	if (in[0] == '.') {
	313	/* some hub between root port and device */
ea87e95f	314	pos += snprintf(fw_path + pos, fw_len - pos, "hub@%ld/", nr);
70d31cb2 GH	315	in++;
	316	} else {
	317	/* the device itself */
ea87e95f BS	318	pos += snprintf(fw_path + pos, fw_len - pos, "%s@%ld",
ea87e95f BS	319	qdev_fw_name(qdev), nr);
70d31cb2 GH	320	break;
	321	}
	322	}
	323	return fw_path;
	324	}
	325
a5d2f727 GH	326	void usb_info(Monitor *mon)
	327	{
	328	USBBus *bus;
	329	USBDevice *dev;
	330	USBPort *port;
	331
72cf2d4f	332	if (QTAILQ_EMPTY(&busses)) {
a5d2f727 GH	333	monitor_printf(mon, "USB support not enabled\n");
	334	return;
	335	}
	336
72cf2d4f BS	337	QTAILQ_FOREACH(bus, &busses, next) {
72cf2d4f BS	338	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	339	dev = port->dev;
	340	if (!dev)
	341	continue;
c7a2196a GH	342	monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
c7a2196a GH	343	bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
0fe6d12e	344	dev->product_desc);
a5d2f727 GH	345	}
	346	}
	347	}
	348
0958b4cc GH	349	/* handle legacy -usbdevice cmd line option */
	350	USBDevice usbdevice_create(const char cmdline)
	351	{
	352	USBBus bus = usb_bus_find(-1 / any */);
	353	DeviceInfo *info;
	354	USBDeviceInfo *usb;
702f3e0f JK	355	char driver[32];
702f3e0f JK	356	const char *params;
0958b4cc GH	357	int len;
	358
	359	params = strchr(cmdline,':');
	360	if (params) {
	361	params++;
	362	len = params - cmdline;
	363	if (len > sizeof(driver))
	364	len = sizeof(driver);
	365	pstrcpy(driver, len, cmdline);
	366	} else {
702f3e0f	367	params = "";
0958b4cc GH	368	pstrcpy(driver, sizeof(driver), cmdline);
	369	}
	370
	371	for (info = device_info_list; info != NULL; info = info->next) {
	372	if (info->bus_info != &usb_bus_info)
	373	continue;
	374	usb = DO_UPCAST(USBDeviceInfo, qdev, info);
	375	if (usb->usbdevice_name == NULL)
	376	continue;
	377	if (strcmp(usb->usbdevice_name, driver) != 0)
	378	continue;
	379	break;
	380	}
	381	if (info == NULL) {
	382	#if 0
	383	/* no error because some drivers are not converted (yet) */
1ecda02b	384	error_report("usbdevice %s not found", driver);
0958b4cc GH	385	#endif
	386	return NULL;
	387	}
	388
	389	if (!usb->usbdevice_init) {
98f22dc1	390	if (*params) {
1ecda02b	391	error_report("usbdevice %s accepts no params", driver);
0958b4cc GH	392	return NULL;
	393	}
	394	return usb_create_simple(bus, usb->qdev.name);
	395	}
	396	return usb->usbdevice_init(params);
	397	}