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