MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassCbi.h

   1 /** @file
   2
   3   Defination for the USB mass storage Control/Bulk/Interrupt transport.
   4
   5 Copyright (c) 2007 - 2008, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef _EFI_USBMASS_CBI_H_
  17 #define _EFI_USBMASS_CBI_H_
  18
  19 typedef enum {
  20   USB_CBI_MAX_PACKET_NUM        = 16,
  21   USB_CBI_RESET_CMD_LEN         = 12,
  22
  23   //
  24   // Usb Cbi retry C/B/I transport times, set by experience
  25   //
  26   USB_CBI_MAX_RETRY             = 3,
  27
  28   //
  29   // Usb Cbi wait device reset complete, set by experience
  30   //
  31   USB_CBI_RESET_DEVICE_STALL    = 50 * USB_MASS_1_MILLISECOND,
  32
  33   //
  34   // Usb Cbi transport timeout, set by experience
  35   //
  36   USB_CBI_RESET_DEVICE_TIMEOUT  = 1 * USB_MASS_1_SECOND
  37 }USB_CBI_DATA;
  38
  39 //
  40 // Put Interface at the first field is to make it easy to get by Context, which
  41 // could be BOT/CBI Protocol instance
  42 //
  43 typedef struct {
  44   EFI_USB_INTERFACE_DESCRIPTOR  Interface;
  45   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkInEndpoint;
  46   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkOutEndpoint;
  47   EFI_USB_ENDPOINT_DESCRIPTOR   *InterruptEndpoint;
  48   EFI_USB_IO_PROTOCOL           *UsbIo;
  49 } USB_CBI_PROTOCOL;
  50
  51 #pragma pack(1)
  52 typedef struct {
  53   UINT8               Type;
  54   UINT8               Value;
  55 } USB_CBI_STATUS;
  56 #pragma pack()
  57
  58 extern USB_MASS_TRANSPORT mUsbCbi0Transport;
  59 extern USB_MASS_TRANSPORT mUsbCbi1Transport;
  60 #endif