diff options
Diffstat (limited to 'hw/usb-bus.c')
| -rw-r--r-- | hw/usb-bus.c | 584 |
1 files changed, 0 insertions, 584 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c deleted file mode 100644 index 70b7ebc086..0000000000 --- a/hw/usb-bus.c +++ /dev/null @@ -1,584 +0,0 @@ -#include "hw.h" -#include "usb.h" -#include "qdev.h" -#include "sysemu.h" -#include "monitor.h" -#include "trace.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 int usb_qdev_exit(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_device_init(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->init) { - return klass->init(dev); - } - return 0; -} - -USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->find_device) { - return klass->find_device(dev, addr); - } - return NULL; -} - -static void usb_device_handle_destroy(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->handle_destroy) { - klass->handle_destroy(dev); - } -} - -void usb_device_cancel_packet(USBDevice *dev, USBPacket *p) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->cancel_packet) { - klass->cancel_packet(dev, p); - } -} - -void usb_device_handle_attach(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->handle_attach) { - klass->handle_attach(dev); - } -} - -void usb_device_handle_reset(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->handle_reset) { - klass->handle_reset(dev); - } -} - -int usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, - int value, int index, int length, uint8_t *data) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->handle_control) { - return klass->handle_control(dev, p, request, value, index, length, - data); - } - return -ENOSYS; -} - -int usb_device_handle_data(USBDevice *dev, USBPacket *p) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->handle_data) { - return klass->handle_data(dev, p); - } - return -ENOSYS; -} - -const char *usb_device_get_product_desc(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - return klass->product_desc; -} - -const USBDesc *usb_device_get_usb_desc(USBDevice *dev) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - return klass->usb_desc; -} - -void usb_device_set_interface(USBDevice *dev, int interface, - int alt_old, int alt_new) -{ - USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev); - if (klass->set_interface) { - klass->set_interface(dev, interface, alt_old, alt_new); - } -} - -static int usb_qdev_init(DeviceState *qdev) -{ - USBDevice *dev = USB_DEVICE(qdev); - int rc; - - pstrcpy(dev->product_desc, sizeof(dev->product_desc), - usb_device_get_product_desc(dev)); - dev->auto_attach = 1; - QLIST_INIT(&dev->strings); - usb_ep_init(dev); - rc = usb_claim_port(dev); - if (rc != 0) { - return rc; - } - rc = usb_device_init(dev); - if (rc != 0) { - usb_release_port(dev); - return rc; - } - if (dev->auto_attach) { - rc = usb_device_attach(dev); - if (rc != 0) { - usb_qdev_exit(qdev); - return rc; - } - } - return 0; -} - -static int usb_qdev_exit(DeviceState *qdev) -{ - USBDevice *dev = USB_DEVICE(qdev); - - if (dev->attached) { - usb_device_detach(dev); - } - usb_device_handle_destroy(dev); - if (dev->port) { - usb_release_port(dev); - } - return 0; -} - -typedef struct LegacyUSBFactory -{ - const char *name; - const char *usbdevice_name; - USBDevice *(*usbdevice_init)(USBBus *bus, const char *params); -} LegacyUSBFactory; - -static GSList *legacy_usb_factory; - -void usb_legacy_register(const char *typename, const char *usbdevice_name, - USBDevice *(*usbdevice_init)(USBBus *bus, - const char *params)) -{ - if (usbdevice_name) { - LegacyUSBFactory *f = g_malloc0(sizeof(*f)); - f->name = typename; - f->usbdevice_name = usbdevice_name; - f->usbdevice_init = usbdevice_init; - legacy_usb_factory = g_slist_append(legacy_usb_factory, f); - } -} - -USBDevice *usb_create(USBBus *bus, const char *name) -{ - DeviceState *dev; - - dev = qdev_create(&bus->qbus, name); - return USB_DEVICE(dev); -} - -USBDevice *usb_create_simple(USBBus *bus, const char *name) -{ - USBDevice *dev = usb_create(bus, name); - int rc; - - if (!dev) { - error_report("Failed to create USB device '%s'", name); - return NULL; - } - rc = qdev_init(&dev->qdev); - if (rc < 0) { - error_report("Failed to initialize USB device '%s'", name); - return NULL; - } - 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--; -} - -int usb_claim_port(USBDevice *dev) -{ - USBBus *bus = usb_bus_from_device(dev); - USBPort *port; - - assert(dev->port == NULL); - - 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 (in use?)", - dev->port_path, bus->qbus.name); - return -1; - } - } else { - if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) { - /* Create a new hub and chain it on */ - usb_create_simple(bus, "usb-hub"); - } - if (bus->nfree == 0) { - error_report("Error: tried to attach usb device %s to a bus " - "with no free ports", dev->product_desc); - return -1; - } - port = QTAILQ_FIRST(&bus->free); - } - trace_usb_port_claim(bus->busnr, port->path); - - QTAILQ_REMOVE(&bus->free, port, next); - bus->nfree--; - - dev->port = port; - port->dev = dev; - - QTAILQ_INSERT_TAIL(&bus->used, port, next); - bus->nused++; - return 0; -} - -void usb_release_port(USBDevice *dev) -{ - USBBus *bus = usb_bus_from_device(dev); - USBPort *port = dev->port; - - assert(port != NULL); - trace_usb_port_release(bus->busnr, port->path); - - QTAILQ_REMOVE(&bus->used, port, next); - bus->nused--; - - dev->port = NULL; - port->dev = NULL; - - QTAILQ_INSERT_TAIL(&bus->free, port, next); - bus->nfree++; -} - -int usb_device_attach(USBDevice *dev) -{ - USBBus *bus = usb_bus_from_device(dev); - USBPort *port = dev->port; - - assert(port != NULL); - assert(!dev->attached); - trace_usb_port_attach(bus->busnr, port->path); - - if (!(port->speedmask & dev->speedmask)) { - error_report("Warning: speed mismatch trying to attach " - "usb device %s to bus %s", - dev->product_desc, bus->qbus.name); - return -1; - } - - dev->attached++; - usb_attach(port); - - return 0; -} - -int usb_device_detach(USBDevice *dev) -{ - USBBus *bus = usb_bus_from_device(dev); - USBPort *port = dev->port; - - assert(port != NULL); - assert(dev->attached); - trace_usb_port_detach(bus->busnr, port->path); - - usb_detach(port); - dev->attached--; - 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 = USB_DEVICE(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 = USB_DEVICE(qdev); - return g_strdup(dev->port->path); -} - -static char *usb_get_fw_dev_path(DeviceState *qdev) -{ - USBDevice *dev = USB_DEVICE(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 */); - LegacyUSBFactory *f = NULL; - GSList *i; - 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 (i = legacy_usb_factory; i; i = i->next) { - f = i->data; - if (strcmp(f->usbdevice_name, driver) == 0) { - break; - } - } - if (i == NULL) { -#if 0 - /* no error because some drivers are not converted (yet) */ - error_report("usbdevice %s not found", driver); -#endif - return NULL; - } - - if (!f->usbdevice_init) { - if (*params) { - error_report("usbdevice %s accepts no params", driver); - return NULL; - } - return usb_create_simple(bus, f->name); - } - return f->usbdevice_init(bus, params); -} - -static void usb_device_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *k = DEVICE_CLASS(klass); - k->bus_info = &usb_bus_info; - k->init = usb_qdev_init; - k->unplug = qdev_simple_unplug_cb; - k->exit = usb_qdev_exit; -} - -static TypeInfo usb_device_type_info = { - .name = TYPE_USB_DEVICE, - .parent = TYPE_DEVICE, - .instance_size = sizeof(USBDevice), - .abstract = true, - .class_size = sizeof(USBDeviceClass), - .class_init = usb_device_class_init, -}; - -static void usb_register_types(void) -{ - type_register_static(&usb_device_type_info); -} - -type_init(usb_register_types) |