This is so the user of libpayload can attach data to the device which it can retrieve when the device is referred to later, for instance in usbdisk_remove. Otherwise, there's no direct connection from the usbdev_t structure to any bookkeeping in the host firmware. Change-Id: I36fe693b0dcd2098e359c26744e376e73bd3a723 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: http://review.coreboot.org/2513 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.huber@secunet.com>
		
			
				
	
	
		
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * This file is part of the libpayload project.
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 *
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 * Copyright (C) 2008-2010 coresystems GmbH
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#ifndef __USBMSC_H
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#define __USBMSC_H
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typedef struct {
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	unsigned int blocksize;
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	unsigned int numblocks;
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	unsigned int protocol;
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	endpoint_t *bulk_in;
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	endpoint_t *bulk_out;
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	int usbdisk_created;
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	void *data; /* For use by consumers of libpayload. */
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} usbmsc_inst_t;
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#define MSC_INST(dev) ((usbmsc_inst_t*)(dev)->data)
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typedef enum { cbw_direction_data_in = 0x80, cbw_direction_data_out = 0
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} cbw_direction;
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int readwrite_blocks_512 (usbdev_t *dev, int start, int n, cbw_direction dir, u8 *buf);
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int readwrite_blocks (usbdev_t *dev, int start, int n, cbw_direction dir, u8 *buf);
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#endif
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