MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassCbi.h

   1 /** @file
   2
   3 Copyright (c) 2007, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   UsbMassCbi.h
  15
  16 Abstract:
  17
  18   Defination for the USB mass storage Control/Bulk/Interrupt transpor.
  19
  20 Revision History
  21
  22
  23 **/
  24
  25 #ifndef _EFI_USBMASS_CBI_H_
  26 #define _EFI_USBMASS_CBI_H_
  27
  28 enum {
  29   USB_CBI_MAX_PACKET_NUM        = 16,
  30   USB_CBI_RESET_CMD_LEN         = 12,
  31
  32   //
  33   // Usb Cbi retry C/B/I transport times, set by experience
  34   //
  35   USB_CBI_MAX_RETRY             = 3,
  36
  37   //
  38   // Usb Cbi wait device reset complete, set by experience
  39   //
  40   USB_CBI_RESET_DEVICE_STALL    = 50 * USB_MASS_1_MILLISECOND,
  41
  42   //
  43   // Usb Cbi transport timeout, set by experience
  44   //
  45   USB_CBI_RESET_DEVICE_TIMEOUT  = 1 * USB_MASS_1_SECOND,
  46 };
  47
  48 //
  49 // Put Interface at the first field is to make it easy to get by Context, which
  50 // could be BOT/CBI Protocol instance
  51 //
  52 typedef struct {
  53   EFI_USB_INTERFACE_DESCRIPTOR  Interface;
  54   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkInEndpoint;
  55   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkOutEndpoint;
  56   EFI_USB_ENDPOINT_DESCRIPTOR   *InterruptEndpoint;
  57   EFI_USB_IO_PROTOCOL           *UsbIo;
  58 } USB_CBI_PROTOCOL;
  59
  60 #pragma pack(1)
  61 typedef struct {
  62   UINT8               Type;
  63   UINT8               Value;
  64 } USB_CBI_STATUS;
  65 #pragma pack()
  66
  67 extern USB_MASS_TRANSPORT mUsbCbi0Transport;
  68 extern USB_MASS_TRANSPORT mUsbCbi1Transport;
  69 #endif