#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),
+ .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 TAILQ_HEAD(, USBBus) busses = TAILQ_HEAD_INITIALIZER(busses);
+static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
-USBBus *usb_bus_new(DeviceState *host)
-{
- USBBus *bus;
+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(),
+ }
+};
- bus = FROM_QBUS(USBBus, qbus_create(&usb_bus_info, host, NULL));
+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++;
- TAILQ_INIT(&bus->free);
- TAILQ_INIT(&bus->used);
- TAILQ_INSERT_TAIL(&busses, bus, next);
- return 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 TAILQ_FIRST(&busses);
- TAILQ_FOREACH(bus, &busses, next) {
+ return QTAILQ_FIRST(&busses);
+ QTAILQ_FOREACH(bus, &busses, next) {
if (bus->busnr == busnr)
return bus;
}
USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
int rc;
- pstrcpy(dev->devname, sizeof(dev->devname), qdev->info->name);
+ 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);
}
}
}
-USBDevice *usb_create_simple(USBBus *bus, const char *name)
+USBDevice *usb_create(USBBus *bus, const char *name)
{
DeviceState *dev;
bus = usb_bus_find(-1);
if (!bus)
return NULL;
- fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
+ error_report("%s: no bus specified, using \"%s\" for \"%s\"\n",
__FUNCTION__, bus->qbus.name, name);
}
#endif
dev = qdev_create(&bus->qbus, name);
- qdev_init(dev);
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->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 g_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 = 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@%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);
+}
projects / qemu.git / blobdiff