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25620cba94
Add support for device_qualifier and other_speed_config descriptors. These are used to query the "other speed" configuration of usb 2.0 devices, i.e. in high-speed mode they return the full-speed configuration and visa versa. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
#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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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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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(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, int request, int value,
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int index, int length, uint8_t *data);
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#endif /* QEMU_HW_USB_DESC_H */
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