+#ifndef QEMU_USB_H
+#define QEMU_USB_H
+
/*
* QEMU USB API
*
#define USB_TOKEN_IN 0x69 /* device -> host */
#define USB_TOKEN_OUT 0xe1 /* host -> device */
-/* specific usb messages, also sent in the 'pid' parameter */
-#define USB_MSG_ATTACH 0x100
-#define USB_MSG_DETACH 0x101
-#define USB_MSG_RESET 0x102
-
-#define USB_RET_NODEV (-1)
-#define USB_RET_NAK (-2)
-#define USB_RET_STALL (-3)
-#define USB_RET_BABBLE (-4)
-#define USB_RET_ASYNC (-5)
+#define USB_RET_NODEV (-1)
+#define USB_RET_NAK (-2)
+#define USB_RET_STALL (-3)
+#define USB_RET_BABBLE (-4)
+#define USB_RET_IOERROR (-5)
+#define USB_RET_ASYNC (-6)
#define USB_SPEED_LOW 0
#define USB_SPEED_FULL 1
#define USB_CLASS_APP_SPEC 0xfe
#define USB_CLASS_VENDOR_SPEC 0xff
+#define USB_SUBCLASS_UNDEFINED 0
+#define USB_SUBCLASS_AUDIO_CONTROL 1
+#define USB_SUBCLASS_AUDIO_STREAMING 2
+#define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
+
#define USB_DIR_OUT 0
#define USB_DIR_IN 0x80
#define USB_DT_OTHER_SPEED_CONFIG 0x07
#define USB_DT_DEBUG 0x0A
#define USB_DT_INTERFACE_ASSOC 0x0B
+#define USB_DT_CS_INTERFACE 0x24
+#define USB_DT_CS_ENDPOINT 0x25
#define USB_ENDPOINT_XFER_CONTROL 0
#define USB_ENDPOINT_XFER_ISOC 1
#define USB_ENDPOINT_XFER_BULK 2
#define USB_ENDPOINT_XFER_INT 3
+#define USB_ENDPOINT_XFER_INVALID 255
typedef struct USBBus USBBus;
typedef struct USBBusOps USBBusOps;
typedef struct USBPort USBPort;
typedef struct USBDevice USBDevice;
-typedef struct USBDeviceInfo USBDeviceInfo;
typedef struct USBPacket USBPacket;
+typedef struct USBEndpoint USBEndpoint;
typedef struct USBDesc USBDesc;
typedef struct USBDescID USBDescID;
QLIST_ENTRY(USBDescString) next;
};
+#define USB_MAX_ENDPOINTS 15
+#define USB_MAX_INTERFACES 16
+
+struct USBEndpoint {
+ uint8_t nr;
+ uint8_t pid;
+ uint8_t type;
+ uint8_t ifnum;
+ int max_packet_size;
+ bool pipeline;
+ USBDevice *dev;
+ QTAILQ_HEAD(, USBPacket) queue;
+};
+
+enum USBDeviceFlags {
+ USB_DEV_FLAG_FULL_PATH,
+};
+
/* definition of a USB device */
struct USBDevice {
DeviceState qdev;
- USBDeviceInfo *info;
USBPort *port;
char *port_path;
void *opaque;
+ uint32_t flags;
/* Actual connected speed */
int speed;
int32_t setup_len;
int32_t setup_index;
+ USBEndpoint ep_ctl;
+ USBEndpoint ep_in[USB_MAX_ENDPOINTS];
+ USBEndpoint ep_out[USB_MAX_ENDPOINTS];
+
QLIST_HEAD(, USBDescString) strings;
const USBDescDevice *device;
+
+ int configuration;
+ int ninterfaces;
+ int altsetting[USB_MAX_INTERFACES];
const USBDescConfig *config;
+ const USBDescIface *ifaces[USB_MAX_INTERFACES];
};
-struct USBDeviceInfo {
- DeviceInfo qdev;
+#define TYPE_USB_DEVICE "usb-device"
+#define USB_DEVICE(obj) \
+ OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
+#define USB_DEVICE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
+#define USB_DEVICE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE)
+
+typedef struct USBDeviceClass {
+ DeviceClass parent_class;
+
int (*init)(USBDevice *dev);
/*
- * Process USB packet.
- * Called by the HC (Host Controller).
- *
- * Returns length of the transaction
- * or one of the USB_RET_XXX codes.
+ * Walk (enabled) downstream ports, check for a matching device.
+ * Only hubs implement this.
*/
- int (*handle_packet)(USBDevice *dev, USBPacket *p);
+ USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
/*
* Called when a packet is canceled.
*/
int (*handle_data)(USBDevice *dev, USBPacket *p);
+ void (*set_interface)(USBDevice *dev, int interface,
+ int alt_old, int alt_new);
+
const char *product_desc;
const USBDesc *usb_desc;
-
- /* handle legacy -usbdevice command line options */
- const char *usbdevice_name;
- USBDevice *(*usbdevice_init)(const char *params);
-};
+} USBDeviceClass;
typedef struct USBPortOps {
void (*attach)(USBPort *port);
void (*detach)(USBPort *port);
- void (*wakeup)(USBDevice *dev);
- void (*complete)(USBDevice *dev, USBPacket *p);
+ /*
+ * This gets called when a device downstream from the device attached to
+ * the port (iow attached through a hub) gets detached.
+ */
+ void (*child_detach)(USBPort *port, USBDevice *child);
+ void (*wakeup)(USBPort *port);
+ /*
+ * Note that port->dev will be different then the device from which
+ * the packet originated when a hub is involved.
+ */
+ void (*complete)(USBPort *port, USBPacket *p);
} USBPortOps;
/* USB port on which a device can be connected */
typedef void USBCallback(USBPacket * packet, void *opaque);
+typedef enum USBPacketState {
+ USB_PACKET_UNDEFINED = 0,
+ USB_PACKET_SETUP,
+ USB_PACKET_QUEUED,
+ USB_PACKET_ASYNC,
+ USB_PACKET_COMPLETE,
+ USB_PACKET_CANCELED,
+} USBPacketState;
+
/* Structure used to hold information about an active USB packet. */
struct USBPacket {
/* Data fields for use by the driver. */
int pid;
- uint8_t devaddr;
- uint8_t devep;
- uint8_t *data;
- int len;
+ USBEndpoint *ep;
+ QEMUIOVector iov;
+ uint64_t parameter; /* control transfers */
+ int result; /* transfer length or USB_RET_* status code */
/* Internal use by the USB layer. */
- USBDevice *owner;
+ USBPacketState state;
+ QTAILQ_ENTRY(USBPacket) queue;
};
+void usb_packet_init(USBPacket *p);
+void usb_packet_set_state(USBPacket *p, USBPacketState state);
+void usb_packet_check_state(USBPacket *p, USBPacketState expected);
+void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep);
+void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
+int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
+void usb_packet_unmap(USBPacket *p);
+void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
+void usb_packet_skip(USBPacket *p, size_t bytes);
+void usb_packet_cleanup(USBPacket *p);
+
+static inline bool usb_packet_is_inflight(USBPacket *p)
+{
+ return (p->state == USB_PACKET_QUEUED ||
+ p->state == USB_PACKET_ASYNC);
+}
+
+USBDevice *usb_find_device(USBPort *port, uint8_t addr);
+
int usb_handle_packet(USBDevice *dev, USBPacket *p);
void usb_packet_complete(USBDevice *dev, USBPacket *p);
void usb_cancel_packet(USBPacket * p);
-void usb_attach(USBPort *port, USBDevice *dev);
-void usb_wakeup(USBDevice *dev);
-int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
+void usb_ep_init(USBDevice *dev);
+void usb_ep_dump(USBDevice *dev);
+struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
+uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
+uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);
+void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
+void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
+void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
+ uint16_t raw);
+int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
+void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled);
+
+void usb_attach(USBPort *port);
+void usb_detach(USBPort *port);
+void usb_port_reset(USBPort *port);
+void usb_device_reset(USBDevice *dev);
+void usb_wakeup(USBEndpoint *ep);
void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
int set_usb_string(uint8_t *buf, const char *str);
-void usb_send_msg(USBDevice *dev, int msg);
/* usb-linux.c */
-USBDevice *usb_host_device_open(const char *devname);
+USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
int usb_host_device_close(const char *devname);
void usb_host_info(Monitor *mon);
-/* usb-hid.c */
-void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));
-
/* usb-bt.c */
-USBDevice *usb_bt_init(HCIInfo *hci);
+USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci);
/* usb ports of the VM */
musb_irq_tx,
musb_set_vbus,
musb_set_session,
- __musb_irq_max,
+ /* Add new interrupts here */
+ musb_irq_max, /* total number of interrupts defined */
};
typedef struct MUSBState MUSBState;
-MUSBState *musb_init(qemu_irq *irqs);
+MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
+void musb_reset(MUSBState *s);
uint32_t musb_core_intr_get(MUSBState *s);
void musb_core_intr_clear(MUSBState *s, uint32_t mask);
void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
struct USBBusOps {
int (*register_companion)(USBBus *bus, USBPort *ports[],
uint32_t portcount, uint32_t firstport);
- void (*device_destroy)(USBBus *bus, USBDevice *dev);
+ void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep);
};
void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
USBBus *usb_bus_find(int busnr);
-void usb_qdev_register(USBDeviceInfo *info);
-void usb_qdev_register_many(USBDeviceInfo *info);
+void usb_legacy_register(const char *typename, const char *usbdevice_name,
+ USBDevice *(*usbdevice_init)(USBBus *bus,
+ const char *params));
USBDevice *usb_create(USBBus *bus, const char *name);
USBDevice *usb_create_simple(USBBus *bus, const char *name);
USBDevice *usbdevice_create(const char *cmdline);
void *opaque, USBPortOps *ops, int speedmask);
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
void usb_unregister_port(USBBus *bus, USBPort *port);
+int usb_claim_port(USBDevice *dev);
+void usb_release_port(USBDevice *dev);
int usb_device_attach(USBDevice *dev);
int usb_device_detach(USBDevice *dev);
int usb_device_delete_addr(int busnr, int addr);
{
return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
}
+
+extern const VMStateDescription vmstate_usb_device;
+
+#define VMSTATE_USB_DEVICE(_field, _state) { \
+ .name = (stringify(_field)), \
+ .size = sizeof(USBDevice), \
+ .vmsd = &vmstate_usb_device, \
+ .flags = VMS_STRUCT, \
+ .offset = vmstate_offset_value(_state, _field, USBDevice), \
+}
+
+USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
+
+void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
+
+void usb_device_handle_attach(USBDevice *dev);
+
+void usb_device_handle_reset(USBDevice *dev);
+
+int usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, int value,
+ int index, int length, uint8_t *data);
+
+int usb_device_handle_data(USBDevice *dev, USBPacket *p);
+
+void usb_device_set_interface(USBDevice *dev, int interface,
+ int alt_old, int alt_new);
+
+const char *usb_device_get_product_desc(USBDevice *dev);
+
+const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
+
+#endif
+
projects / qemu.git / blobdiff