132a3f55f0
This patch allows to set usb descriptor strings per device instance. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
353 lines
8.3 KiB
C
353 lines
8.3 KiB
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 *usbbus_get_fw_dev_path(DeviceState *dev);
|
|
|
|
static struct BusInfo usb_bus_info = {
|
|
.name = "USB",
|
|
.size = sizeof(USBBus),
|
|
.print_dev = usb_bus_dev_print,
|
|
.get_fw_dev_path = usbbus_get_fw_dev_path,
|
|
};
|
|
static int next_usb_bus = 0;
|
|
static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
|
|
|
|
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,
|
|
USBDevice *pdev, usb_attachfn attach)
|
|
{
|
|
port->opaque = opaque;
|
|
port->index = index;
|
|
port->attach = attach;
|
|
port->pdev = pdev;
|
|
QTAILQ_INSERT_TAIL(&bus->free, port, next);
|
|
bus->nfree++;
|
|
}
|
|
|
|
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;
|
|
}
|
|
dev->attached++;
|
|
|
|
port = QTAILQ_FIRST(&bus->free);
|
|
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) {
|
|
/* Create a new hub and chain it on. */
|
|
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, speed %s, name %s%s\n",
|
|
indent, "", bus->busnr, dev->addr,
|
|
usb_speed(dev->speed), dev->product_desc,
|
|
dev->attached ? ", attached" : "");
|
|
}
|
|
|
|
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, Speed %s Mb/s, Product %s\n",
|
|
bus->busnr, dev->addr, 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);
|
|
}
|
|
|
|
static int usbbus_get_fw_dev_path_helper(USBDevice *d, USBBus *bus, char *p,
|
|
int len)
|
|
{
|
|
int l = 0;
|
|
USBPort *port;
|
|
|
|
QTAILQ_FOREACH(port, &bus->used, next) {
|
|
if (port->dev == d) {
|
|
if (port->pdev) {
|
|
l = usbbus_get_fw_dev_path_helper(port->pdev, bus, p, len);
|
|
}
|
|
l += snprintf(p + l, len - l, "%s@%x/", qdev_fw_name(&d->qdev),
|
|
port->index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return l;
|
|
}
|
|
|
|
static char *usbbus_get_fw_dev_path(DeviceState *dev)
|
|
{
|
|
USBDevice *d = (USBDevice*)dev;
|
|
USBBus *bus = usb_bus_from_device(d);
|
|
char path[100];
|
|
int l;
|
|
|
|
assert(d->attached != 0);
|
|
|
|
l = usbbus_get_fw_dev_path_helper(d, bus, path, sizeof(path));
|
|
|
|
if (l == 0) {
|
|
abort();
|
|
}
|
|
|
|
path[l-1] = '\0';
|
|
|
|
return strdup(path);
|
|
}
|