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#ifndef _IPXE_EFI_USB_H
#define _IPXE_EFI_USB_H
/** @file
*
* USB I/O protocol
*
*/
#include <ipxe/list.h>
#include <ipxe/efi/efi.h>
#include <ipxe/efi/efi_driver.h>
#include <ipxe/efi/Protocol/UsbIo.h>
#include <ipxe/usb.h>
/** An EFI USB device */
struct efi_usb_device {
/** Name */
const char *name;
/** The underlying USB function */
struct usb_function *func;
/** Configuration descriptor */
struct usb_configuration_descriptor *config;
/** Supported languages */
uint16_t *lang;
/** Length of supported languages */
size_t lang_len;
/** List of interfaces */
struct list_head interfaces;
};
/** An EFI USB device interface */
struct efi_usb_interface {
/** Name */
char name[32];
/** Containing USB device */
struct efi_usb_device *usbdev;
/** List of interfaces */
struct list_head list;
/** Interface number */
unsigned int interface;
/** Alternate setting */
unsigned int alternate;
/** EFI handle */
EFI_HANDLE handle;
/** USB I/O protocol */
EFI_USB_IO_PROTOCOL usbio;
/** Device path */
EFI_DEVICE_PATH_PROTOCOL *path;
/** Opened endpoints */
struct efi_usb_endpoint *endpoint[32];
};
/** An EFI USB device endpoint */
struct efi_usb_endpoint {
/** EFI USB device interface */
struct efi_usb_interface *usbintf;
/** USB endpoint */
struct usb_endpoint ep;
/** Most recent synchronous completion status */
int rc;
/** Asynchronous timer event */
EFI_EVENT event;
/** Asynchronous callback handler */
EFI_ASYNC_USB_TRANSFER_CALLBACK callback;
/** Asynchronous callback context */
void *context;
};
/** Asynchronous transfer fill level
*
* This is a policy decision.
*/
#define EFI_USB_ASYNC_FILL 2
#endif /* _IPXE_EFI_USB_H */
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