49 lines
1016 B
C
49 lines
1016 B
C
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/*
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* Copyright 2014, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _USB_MSC_H
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#define _USB_MSC_H
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// (Partial) USB Class Definitions for Mass Storage Devices (MSC), version 1.0
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// Reference: http://www.usb.org/developers/devclass_docs/usbmassbulk_10.pdf
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#define USB_MASS_STORAGE_DEVICE_CLASS 0x08
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#define CBW_SIGNATURE 0x43425355
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#define CBW_DATA_OUTPUT 0x00
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#define CBW_DATA_INPUT 0x80
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#define CSW_SIGNATURE 0x53425355
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#define CSW_STATUS_COMMAND_PASSED 0x00
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#define CSW_STATUS_COMMAND_FAILED 0x01
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#define CSW_STATUS_PHASE_ERROR 0x02
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#define REQUEST_MASS_STORAGE_RESET 0xff
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#define REQUEST_GET_MAX_LUN 0xfe
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typedef struct {
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uint32 signature;
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uint32 tag;
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uint32 data_transfer_length;
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uint8 flags;
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uint8 lun;
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uint8 command_block_length;
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uint8 command_block[16];
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} _PACKED command_block_wrapper;
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typedef struct {
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uint32 signature;
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uint32 tag;
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uint32 data_residue;
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uint8 status;
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} _PACKED command_status_wrapper;
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#endif
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