mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
007fd62f4d
This allows using the generic usb_generic_handle_packet function from device code which does ASYNC control requests (such as the linux host pass through code). Signed-off-by: Hans de Goede <hdegoede@redhat.com>
112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
#ifndef QEMU_HW_USB_DESC_H
|
|
#define QEMU_HW_USB_DESC_H
|
|
|
|
#include <inttypes.h>
|
|
|
|
struct USBDescID {
|
|
uint16_t idVendor;
|
|
uint16_t idProduct;
|
|
uint16_t bcdDevice;
|
|
uint8_t iManufacturer;
|
|
uint8_t iProduct;
|
|
uint8_t iSerialNumber;
|
|
};
|
|
|
|
struct USBDescDevice {
|
|
uint16_t bcdUSB;
|
|
uint8_t bDeviceClass;
|
|
uint8_t bDeviceSubClass;
|
|
uint8_t bDeviceProtocol;
|
|
uint8_t bMaxPacketSize0;
|
|
uint8_t bNumConfigurations;
|
|
|
|
const USBDescConfig *confs;
|
|
};
|
|
|
|
struct USBDescConfig {
|
|
uint8_t bNumInterfaces;
|
|
uint8_t bConfigurationValue;
|
|
uint8_t iConfiguration;
|
|
uint8_t bmAttributes;
|
|
uint8_t bMaxPower;
|
|
|
|
/* grouped interfaces */
|
|
uint8_t nif_groups;
|
|
const USBDescIfaceAssoc *if_groups;
|
|
|
|
/* "normal" interfaces */
|
|
uint8_t nif;
|
|
const USBDescIface *ifs;
|
|
};
|
|
|
|
/* conceptually an Interface Association Descriptor, and releated interfaces */
|
|
struct USBDescIfaceAssoc {
|
|
uint8_t bFirstInterface;
|
|
uint8_t bInterfaceCount;
|
|
uint8_t bFunctionClass;
|
|
uint8_t bFunctionSubClass;
|
|
uint8_t bFunctionProtocol;
|
|
uint8_t iFunction;
|
|
|
|
uint8_t nif;
|
|
const USBDescIface *ifs;
|
|
};
|
|
|
|
struct USBDescIface {
|
|
uint8_t bInterfaceNumber;
|
|
uint8_t bAlternateSetting;
|
|
uint8_t bNumEndpoints;
|
|
uint8_t bInterfaceClass;
|
|
uint8_t bInterfaceSubClass;
|
|
uint8_t bInterfaceProtocol;
|
|
uint8_t iInterface;
|
|
|
|
uint8_t ndesc;
|
|
USBDescOther *descs;
|
|
USBDescEndpoint *eps;
|
|
};
|
|
|
|
struct USBDescEndpoint {
|
|
uint8_t bEndpointAddress;
|
|
uint8_t bmAttributes;
|
|
uint16_t wMaxPacketSize;
|
|
uint8_t bInterval;
|
|
};
|
|
|
|
struct USBDescOther {
|
|
uint8_t length;
|
|
uint8_t *data;
|
|
};
|
|
|
|
typedef const char *USBDescStrings[256];
|
|
|
|
struct USBDesc {
|
|
USBDescID id;
|
|
const USBDescDevice *full;
|
|
const USBDescDevice *high;
|
|
const char* const *str;
|
|
};
|
|
|
|
/* generate usb packages from structs */
|
|
int usb_desc_device(const USBDescID *id, const USBDescDevice *dev,
|
|
uint8_t *dest, size_t len);
|
|
int usb_desc_device_qualifier(const USBDescDevice *dev,
|
|
uint8_t *dest, size_t len);
|
|
int usb_desc_config(const USBDescConfig *conf, uint8_t *dest, size_t len);
|
|
int usb_desc_iface_group(const USBDescIfaceAssoc *iad, uint8_t *dest,
|
|
size_t len);
|
|
int usb_desc_iface(const USBDescIface *iface, uint8_t *dest, size_t len);
|
|
int usb_desc_endpoint(const USBDescEndpoint *ep, uint8_t *dest, size_t len);
|
|
int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len);
|
|
|
|
/* control message emulation helpers */
|
|
void usb_desc_init(USBDevice *dev);
|
|
void usb_desc_attach(USBDevice *dev);
|
|
void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str);
|
|
const char *usb_desc_get_string(USBDevice *dev, uint8_t index);
|
|
int usb_desc_string(USBDevice *dev, int index, uint8_t *dest, size_t len);
|
|
int usb_desc_get_descriptor(USBDevice *dev, int value, uint8_t *dest, size_t len);
|
|
int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
|
|
int request, int value, int index, int length, uint8_t *data);
|
|
|
|
#endif /* QEMU_HW_USB_DESC_H */
|