haiku/headers/os/drivers/usb/USB_massbulk.h
2014-08-03 18:10:51 +02:00

49 lines
1016 B
C

/*
* Copyright 2014, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _USB_MSC_H
#define _USB_MSC_H
// (Partial) USB Class Definitions for Mass Storage Devices (MSC), version 1.0
// Reference: http://www.usb.org/developers/devclass_docs/usbmassbulk_10.pdf
#define USB_MASS_STORAGE_DEVICE_CLASS 0x08
#define CBW_SIGNATURE 0x43425355
#define CBW_DATA_OUTPUT 0x00
#define CBW_DATA_INPUT 0x80
#define CSW_SIGNATURE 0x53425355
#define CSW_STATUS_COMMAND_PASSED 0x00
#define CSW_STATUS_COMMAND_FAILED 0x01
#define CSW_STATUS_PHASE_ERROR 0x02
#define REQUEST_MASS_STORAGE_RESET 0xff
#define REQUEST_GET_MAX_LUN 0xfe
typedef struct {
uint32 signature;
uint32 tag;
uint32 data_transfer_length;
uint8 flags;
uint8 lun;
uint8 command_block_length;
uint8 command_block[16];
} _PACKED command_block_wrapper;
typedef struct {
uint32 signature;
uint32 tag;
uint32 data_residue;
uint8 status;
} _PACKED command_status_wrapper;
#endif