root / hw / usb-desc.h @ 0157644c
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#ifndef QEMU_HW_USB_DESC_H
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#define QEMU_HW_USB_DESC_H
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#include <inttypes.h> |
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struct USBDescID {
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uint16_t idVendor; |
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uint16_t idProduct; |
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uint16_t bcdDevice; |
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uint8_t iManufacturer; |
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uint8_t iProduct; |
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uint8_t iSerialNumber; |
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}; |
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struct USBDescDevice {
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uint16_t bcdUSB; |
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uint8_t bDeviceClass; |
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uint8_t bDeviceSubClass; |
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uint8_t bDeviceProtocol; |
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uint8_t bMaxPacketSize0; |
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uint8_t bNumConfigurations; |
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const USBDescConfig *confs;
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}; |
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struct USBDescConfig {
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uint8_t bNumInterfaces; |
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uint8_t bConfigurationValue; |
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uint8_t iConfiguration; |
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uint8_t bmAttributes; |
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uint8_t bMaxPower; |
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/* grouped interfaces */
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uint8_t nif_groups; |
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const USBDescIfaceAssoc *if_groups;
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/* "normal" interfaces */
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uint8_t nif; |
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const USBDescIface *ifs;
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}; |
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/* conceptually an Interface Association Descriptor, and releated interfaces */
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struct USBDescIfaceAssoc {
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uint8_t bFirstInterface; |
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uint8_t bInterfaceCount; |
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uint8_t bFunctionClass; |
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uint8_t bFunctionSubClass; |
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uint8_t bFunctionProtocol; |
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uint8_t iFunction; |
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uint8_t nif; |
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const USBDescIface *ifs;
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}; |
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struct USBDescIface {
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uint8_t bInterfaceNumber; |
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uint8_t bAlternateSetting; |
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uint8_t bNumEndpoints; |
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uint8_t bInterfaceClass; |
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uint8_t bInterfaceSubClass; |
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uint8_t bInterfaceProtocol; |
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uint8_t iInterface; |
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uint8_t ndesc; |
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USBDescOther *descs; |
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USBDescEndpoint *eps; |
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}; |
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struct USBDescEndpoint {
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uint8_t bEndpointAddress; |
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uint8_t bmAttributes; |
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uint16_t wMaxPacketSize; |
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uint8_t bInterval; |
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}; |
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struct USBDescOther {
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uint8_t length; |
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const uint8_t *data;
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}; |
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typedef const char *USBDescStrings[256]; |
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struct USBDesc {
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USBDescID id; |
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const USBDescDevice *full;
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const USBDescDevice *high;
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const char* const *str; |
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}; |
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/* generate usb packages from structs */
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int usb_desc_device(const USBDescID *id, const USBDescDevice *dev, |
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uint8_t *dest, size_t len); |
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int usb_desc_device_qualifier(const USBDescDevice *dev, |
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uint8_t *dest, size_t len); |
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int usb_desc_config(const USBDescConfig *conf, uint8_t *dest, size_t len); |
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int usb_desc_iface_group(const USBDescIfaceAssoc *iad, uint8_t *dest, |
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size_t len); |
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int usb_desc_iface(const USBDescIface *iface, uint8_t *dest, size_t len); |
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int usb_desc_endpoint(const USBDescEndpoint *ep, uint8_t *dest, size_t len); |
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int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len); |
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/* control message emulation helpers */
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void usb_desc_init(USBDevice *dev);
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void usb_desc_attach(USBDevice *dev);
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void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str); |
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const char *usb_desc_get_string(USBDevice *dev, uint8_t index); |
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int usb_desc_string(USBDevice *dev, int index, uint8_t *dest, size_t len); |
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int usb_desc_get_descriptor(USBDevice *dev, int value, uint8_t *dest, size_t len); |
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int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
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int request, int value, int index, int length, uint8_t *data); |
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#endif /* QEMU_HW_USB_DESC_H */ |