* THE SOFTWARE.
*/
-#include "block.h"
#include "qdev.h"
#include "qemu-queue.h"
#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_ENDPOINT_XFER_INT 3
#define USB_ENDPOINT_XFER_INVALID 255
+#define USB_INTERFACE_INVALID 255
+
typedef struct USBBus USBBus;
typedef struct USBBusOps USBBusOps;
typedef struct USBPort USBPort;
#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;
+ bool halted;
USBDevice *dev;
+ QTAILQ_HEAD(, USBPacket) queue;
+};
+
+enum USBDeviceFlags {
+ USB_DEV_FLAG_FULL_PATH,
};
/* definition of a USB device */
USBPort *port;
char *port_path;
void *opaque;
+ uint32_t flags;
/* Actual connected speed */
int speed;
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.
void (*wakeup)(USBPort *port);
/*
* Note that port->dev will be different then the device from which
- * the packet originated when a hub is involved, if you want the orginating
- * device use p->owner
+ * the packet originated when a hub is involved.
*/
void (*complete)(USBPort *port, USBPacket *p);
} USBPortOps;
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;
+ uint64_t id;
+ USBEndpoint *ep;
QEMUIOVector iov;
+ uint64_t parameter; /* control transfers */
int result; /* transfer length or USB_RET_* status code */
/* Internal use by the USB layer. */
- USBEndpoint *owner;
+ USBPacketState state;
+ QTAILQ_ENTRY(USBPacket) queue;
};
void usb_packet_init(USBPacket *p);
-void usb_packet_setup(USBPacket *p, int pid, uint8_t addr, uint8_t ep);
+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, uint64_t id);
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_unmap(USBPacket *p, QEMUSGList *sgl);
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_ep_init(USBDevice *dev);
+void usb_ep_reset(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);
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_reset(USBPort *port);
-void usb_wakeup(USBDevice *dev);
-int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
+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-bt.c */
-USBDevice *usb_bt_init(HCIInfo *hci);
+USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci);
/* usb ports of the VM */
/* usb-bus.c */
+#define TYPE_USB_BUS "usb-bus"
+#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
+
struct USBBus {
BusState qbus;
USBBusOps *ops;
struct USBBusOps {
int (*register_companion)(USBBus *bus, USBPort *ports[],
uint32_t portcount, uint32_t firstport);
+ 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_legacy_register(const char *typename, const char *usbdevice_name,
- USBDevice *(*usbdevice_init)(const char *params));
+ 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);
.offset = vmstate_offset_value(_state, _field, USBDevice), \
}
-int usb_device_handle_packet(USBDevice *dev, USBPacket *p);
+USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
projects / mirror_qemu.git / blobdiff