headers/os/drivers/usb/USB_massbulk.h

   1 /*
   2  * Copyright 2014, Haiku Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _USB_MSC_H
   6 #define _USB_MSC_H
   7
   8
   9 // (Partial) USB Class Definitions for Mass Storage Devices (MSC), version 1.0
  10 // Reference: http://www.usb.org/developers/devclass_docs/usbmassbulk_10.pdf
  11
  12
  13 #define USB_MASS_STORAGE_DEVICE_CLASS                   0x08
  14
  15 #define USB_MASSBULK_CBW_SIGNATURE                              0x43425355
  16 #define USB_MASSBULK_CBW_DATA_OUTPUT                    0x00
  17 #define USB_MASSBULK_CBW_DATA_INPUT                             0x80
  18
  19 #define USB_MASSBULK_CSW_SIGNATURE                              0x53425355
  20 #define USB_MASSBULK_CSW_STATUS_COMMAND_PASSED  0x00
  21 #define USB_MASSBULK_CSW_STATUS_COMMAND_FAILED  0x01
  22 #define USB_MASSBULK_CSW_STATUS_PHASE_ERROR             0x02
  23
  24 #define USB_MASSBULK_REQUEST_MASS_STORAGE_RESET 0xff
  25 #define USB_MASSBULK_REQUEST_GET_MAX_LUN                0xfe
  26
  27
  28 typedef struct {
  29         uint32          signature;
  30         uint32          tag;
  31         uint32          data_transfer_length;
  32         uint8           flags;
  33         uint8           lun;
  34         uint8           command_block_length;
  35         uint8           command_block[16];
  36 } _PACKED usb_massbulk_command_block_wrapper;
  37
  38
  39 typedef struct {
  40         uint32          signature;
  41         uint32          tag;
  42         uint32          data_residue;
  43         uint8           status;
  44 } _PACKED usb_massbulk_command_status_wrapper;
  45
  46
  47 #endif
  48