[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)
        rc = usb_device_attach(dev);
    return rc;
}

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

    if (dev->attached) {
        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;
        error_report("%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;
}

static void usb_fill_port(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;
    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++;
}

int usb_register_companion(const char *masterbus, USBPort *ports[],
                           uint32_t portcount, uint32_t firstport,
                           void *opaque, USBPortOps *ops, int speedmask)
{
    USBBus *bus;
    int i;

    QTAILQ_FOREACH(bus, &busses, next) {
        if (strcmp(bus->qbus.name, masterbus) == 0) {
            break;
        }
    }

    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;
    }

    for (i = 0; i < portcount; i++) {
        usb_fill_port(ports[i], opaque, i, ops, speedmask);
    }

    return bus->ops->register_companion(bus, ports, portcount, firstport);
}

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

    if (dev->attached) {
        error_report("Error: tried to attach usb device %s twice\n",
                dev->product_desc);
        return -1;
    }
    if (bus->nfree == 0) {
        error_report("Error: tried to attach usb device %s to a bus with no free ports\n",
                dev->product_desc);
        return -1;
    }
    if (dev->port_path) {
        QTAILQ_FOREACH(port, &bus->free, next) {
            if (strcmp(port->path, dev->port_path) == 0) {
                break;
            }
        }
        if (port == NULL) {
            error_report("Error: usb port %s (bus %s) not found\n",
                    dev->port_path, bus->qbus.name);
            return -1;
        }
    } else {
        port = QTAILQ_FIRST(&bus->free);
    }
    if (!(port->speedmask & dev->speedmask)) {
        error_report("Warning: speed mismatch trying to attach usb device %s to bus %s\n",
                dev->product_desc, bus->qbus.name);
        return -1;
    }

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

    usb_attach(port, dev);

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

    return 0;
}

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");
    }
    return do_attach(dev);
}

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

    if (!dev->attached) {
        error_report("Error: 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",
        [ 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 = 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)
fa19bf83	78	rc = 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);
	85
290a5c60 HG	86	if (dev->attached) {
	87	usb_device_detach(dev);
	88	}
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;
fa19bf83	122	error_report("%s: no bus specified, using \"%s\" for \"%s\"\n",
806b6024 GH	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
090ac642 HG	141	static void usb_fill_port(USBPort port, void opaque, int index,
090ac642 HG	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;
3631e6c8	150	usb_port_location(port, NULL, index + 1);
090ac642 HG	151	}
	152
	153	void usb_register_port(USBBus bus, USBPort port, void *opaque, int index,
	154	USBPortOps *ops, int speedmask)
	155	{
	156	usb_fill_port(port, opaque, index, ops, speedmask);
72cf2d4f	157	QTAILQ_INSERT_TAIL(&bus->free, port, next);
a5d2f727 GH	158	bus->nfree++;
	159	}
	160
ae60fea9 HG	161	int usb_register_companion(const char masterbus, USBPort ports[],
	162	uint32_t portcount, uint32_t firstport,
	163	void opaque, USBPortOps ops, int speedmask)
	164	{
	165	USBBus *bus;
	166	int i;
	167
	168	QTAILQ_FOREACH(bus, &busses, next) {
	169	if (strcmp(bus->qbus.name, masterbus) == 0) {
	170	break;
	171	}
	172	}
	173
	174	if (!bus \|\| !bus->ops->register_companion) {
	175	qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus",
	176	"an USB masterbus");
	177	if (bus) {
	178	error_printf_unless_qmp(
	179	"USB bus '%s' does not allow companion controllers\n",
	180	masterbus);
	181	}
	182	return -1;
	183	}
	184
	185	for (i = 0; i < portcount; i++) {
	186	usb_fill_port(ports[i], opaque, i, ops, speedmask);
	187	}
	188
	189	return bus->ops->register_companion(bus, ports, portcount, firstport);
	190	}
	191
c7a2196a GH	192	void usb_port_location(USBPort downstream, USBPort upstream, int portnr)
	193	{
	194	if (upstream) {
	195	snprintf(downstream->path, sizeof(downstream->path), "%s.%d",
	196	upstream->path, portnr);
	197	} else {
	198	snprintf(downstream->path, sizeof(downstream->path), "%d", portnr);
	199	}
	200	}
	201
a8e662b5 GH	202	void usb_unregister_port(USBBus bus, USBPort port)
	203	{
	204	if (port->dev)
	205	qdev_free(&port->dev->qdev);
	206	QTAILQ_REMOVE(&bus->free, port, next);
	207	bus->nfree--;
	208	}
	209
fa19bf83	210	static int do_attach(USBDevice *dev)
a5d2f727 GH	211	{
	212	USBBus *bus = usb_bus_from_device(dev);
	213	USBPort *port;
	214
	215	if (dev->attached) {
fa19bf83	216	error_report("Error: tried to attach usb device %s twice\n",
0fe6d12e	217	dev->product_desc);
fa19bf83	218	return -1;
a5d2f727	219	}
ee210d63	220	if (bus->nfree == 0) {
fa19bf83	221	error_report("Error: tried to attach usb device %s to a bus with no free ports\n",
ee210d63	222	dev->product_desc);
fa19bf83	223	return -1;
ee210d63	224	}
5f69076b GH	225	if (dev->port_path) {
	226	QTAILQ_FOREACH(port, &bus->free, next) {
	227	if (strcmp(port->path, dev->port_path) == 0) {
	228	break;
	229	}
	230	}
	231	if (port == NULL) {
fa19bf83	232	error_report("Error: usb port %s (bus %s) not found\n",
5f69076b	233	dev->port_path, bus->qbus.name);
fa19bf83	234	return -1;
5f69076b GH	235	}
	236	} else {
	237	port = QTAILQ_FIRST(&bus->free);
	238	}
bf5547f5 HG	239	if (!(port->speedmask & dev->speedmask)) {
	240	error_report("Warning: speed mismatch trying to attach usb device %s to bus %s\n",
	241	dev->product_desc, bus->qbus.name);
	242	return -1;
	243	}
a5d2f727	244
5f69076b	245	dev->attached++;
72cf2d4f	246	QTAILQ_REMOVE(&bus->free, port, next);
a5d2f727 GH	247	bus->nfree--;
	248
	249	usb_attach(port, dev);
	250
72cf2d4f	251	QTAILQ_INSERT_TAIL(&bus->used, port, next);
a5d2f727	252	bus->nused++;
fa19bf83 HG	253
fa19bf83 HG	254	return 0;
a5d2f727 GH	255	}
	256
	257	int usb_device_attach(USBDevice *dev)
	258	{
	259	USBBus *bus = usb_bus_from_device(dev);
a5d2f727	260
5f69076b GH	261	if (bus->nfree == 1 && dev->port_path == NULL) {
	262	/* Create a new hub and chain it on
	263	(unless a physical port location is specified). */
d4c4e6fd	264	usb_create_simple(bus, "usb-hub");
a5d2f727	265	}
fa19bf83	266	return do_attach(dev);
a5d2f727 GH	267	}
a5d2f727 GH	268
a8e662b5 GH	269	int usb_device_detach(USBDevice *dev)
	270	{
	271	USBBus *bus = usb_bus_from_device(dev);
	272	USBPort *port;
	273
	274	if (!dev->attached) {
fa19bf83	275	error_report("Error: tried to detach unattached usb device %s\n",
0fe6d12e	276	dev->product_desc);
a8e662b5 GH	277	return -1;
	278	}
	279	dev->attached--;
	280
	281	QTAILQ_FOREACH(port, &bus->used, next) {
	282	if (port->dev == dev)
	283	break;
	284	}
	285	assert(port != NULL);
	286
	287	QTAILQ_REMOVE(&bus->used, port, next);
	288	bus->nused--;
	289
	290	usb_attach(port, NULL);
	291
	292	QTAILQ_INSERT_TAIL(&bus->free, port, next);
	293	bus->nfree++;
	294	return 0;
	295	}
	296
a5d2f727 GH	297	int usb_device_delete_addr(int busnr, int addr)
	298	{
	299	USBBus *bus;
	300	USBPort *port;
	301	USBDevice *dev;
	302
	303	bus = usb_bus_find(busnr);
	304	if (!bus)
	305	return -1;
	306
72cf2d4f	307	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	308	if (port->dev->addr == addr)
	309	break;
	310	}
	311	if (!port)
	312	return -1;
a5d2f727	313	dev = port->dev;
a5d2f727	314
a8e662b5	315	qdev_free(&dev->qdev);
a5d2f727 GH	316	return 0;
	317	}
	318
	319	static const char *usb_speed(unsigned int speed)
	320	{
	321	static const char *txt[] = {
	322	[ USB_SPEED_LOW ] = "1.5",
	323	[ USB_SPEED_FULL ] = "12",
	324	[ USB_SPEED_HIGH ] = "480",
290d26d2	325	[ USB_SPEED_SUPER ] = "5000",
a5d2f727 GH	326	};
	327	if (speed >= ARRAY_SIZE(txt))
	328	return "?";
	329	return txt[speed];
	330	}
	331
	332	static void usb_bus_dev_print(Monitor mon, DeviceState qdev, int indent)
	333	{
	334	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	335	USBBus *bus = usb_bus_from_device(dev);
	336
c7a2196a	337	monitor_printf(mon, "%*saddr %d.%d, port %s, speed %s, name %s%s\n",
66a6593a	338	indent, "", bus->busnr, dev->addr,
c7a2196a	339	dev->port ? dev->port->path : "-",
0fe6d12e	340	usb_speed(dev->speed), dev->product_desc,
66a6593a	341	dev->attached ? ", attached" : "");
a5d2f727 GH	342	}
a5d2f727 GH	343
c7a2196a GH	344	static char usb_get_dev_path(DeviceState qdev)
	345	{
	346	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	347	return qemu_strdup(dev->port->path);
	348	}
	349
70d31cb2 GH	350	static char usb_get_fw_dev_path(DeviceState qdev)
	351	{
	352	USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
	353	char fw_path, in;
ea87e95f	354	ssize_t pos = 0, fw_len;
70d31cb2 GH	355	long nr;
70d31cb2 GH	356
ea87e95f BS	357	fw_len = 32 + strlen(dev->port->path) * 6;
ea87e95f BS	358	fw_path = qemu_malloc(fw_len);
70d31cb2	359	in = dev->port->path;
ea87e95f	360	while (fw_len - pos > 0) {
70d31cb2 GH	361	nr = strtol(in, &in, 10);
	362	if (in[0] == '.') {
	363	/* some hub between root port and device */
ea87e95f	364	pos += snprintf(fw_path + pos, fw_len - pos, "hub@%ld/", nr);
70d31cb2 GH	365	in++;
	366	} else {
	367	/* the device itself */
ea87e95f BS	368	pos += snprintf(fw_path + pos, fw_len - pos, "%s@%ld",
ea87e95f BS	369	qdev_fw_name(qdev), nr);
70d31cb2 GH	370	break;
	371	}
	372	}
	373	return fw_path;
	374	}
	375
a5d2f727 GH	376	void usb_info(Monitor *mon)
	377	{
	378	USBBus *bus;
	379	USBDevice *dev;
	380	USBPort *port;
	381
72cf2d4f	382	if (QTAILQ_EMPTY(&busses)) {
a5d2f727 GH	383	monitor_printf(mon, "USB support not enabled\n");
	384	return;
	385	}
	386
72cf2d4f BS	387	QTAILQ_FOREACH(bus, &busses, next) {
72cf2d4f BS	388	QTAILQ_FOREACH(port, &bus->used, next) {
a5d2f727 GH	389	dev = port->dev;
	390	if (!dev)
	391	continue;
c7a2196a GH	392	monitor_printf(mon, " Device %d.%d, Port %s, Speed %s Mb/s, Product %s\n",
c7a2196a GH	393	bus->busnr, dev->addr, port->path, usb_speed(dev->speed),
0fe6d12e	394	dev->product_desc);
a5d2f727 GH	395	}
	396	}
	397	}
	398
0958b4cc GH	399	/* handle legacy -usbdevice cmd line option */
	400	USBDevice usbdevice_create(const char cmdline)
	401	{
	402	USBBus bus = usb_bus_find(-1 / any */);
	403	DeviceInfo *info;
	404	USBDeviceInfo *usb;
702f3e0f JK	405	char driver[32];
702f3e0f JK	406	const char *params;
0958b4cc GH	407	int len;
	408
	409	params = strchr(cmdline,':');
	410	if (params) {
	411	params++;
	412	len = params - cmdline;
	413	if (len > sizeof(driver))
	414	len = sizeof(driver);
	415	pstrcpy(driver, len, cmdline);
	416	} else {
702f3e0f	417	params = "";
0958b4cc GH	418	pstrcpy(driver, sizeof(driver), cmdline);
	419	}
	420
	421	for (info = device_info_list; info != NULL; info = info->next) {
	422	if (info->bus_info != &usb_bus_info)
	423	continue;
	424	usb = DO_UPCAST(USBDeviceInfo, qdev, info);
	425	if (usb->usbdevice_name == NULL)
	426	continue;
	427	if (strcmp(usb->usbdevice_name, driver) != 0)
	428	continue;
	429	break;
	430	}
	431	if (info == NULL) {
	432	#if 0
	433	/* no error because some drivers are not converted (yet) */
1ecda02b	434	error_report("usbdevice %s not found", driver);
0958b4cc GH	435	#endif
	436	return NULL;
	437	}
	438
	439	if (!usb->usbdevice_init) {
98f22dc1	440	if (*params) {
1ecda02b	441	error_report("usbdevice %s accepts no params", driver);
0958b4cc GH	442	return NULL;
	443	}
	444	return usb_create_simple(bus, usb->qdev.name);
	445	}
	446	return usb->usbdevice_init(params);
	447	}