coreboot-kgpe-d16/payloads/libpayload/include/usb/usbmsc.h
Nico Huber 445a3a04d8 libpayload: Shutdown reasonably if we can't init usb msc device
This lets the init of usb mass storage return if the device
configuration is unusable. Also add some checks for proper shutdown so
we don't free/remove an uninitialized device.

Change-Id: I6daf9b38e632b6e381bcd5a7717f0f1a3150b64a
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1130
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-06-22 08:55:22 +02:00

49 lines
2 KiB
C

/*
* This file is part of the libpayload project.
*
* Copyright (C) 2008-2010 coresystems GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __USBMSC_H
#define __USBMSC_H
typedef struct {
unsigned int blocksize;
unsigned int numblocks;
unsigned int protocol;
endpoint_t *bulk_in;
endpoint_t *bulk_out;
int usbdisk_created;
} usbmsc_inst_t;
#define MSC_INST(dev) ((usbmsc_inst_t*)(dev)->data)
typedef enum { cbw_direction_data_in = 0x80, cbw_direction_data_out = 0
} cbw_direction;
int readwrite_blocks_512 (usbdev_t *dev, int start, int n, cbw_direction dir, u8 *buf);
int readwrite_blocks (usbdev_t *dev, int start, int n, cbw_direction dir, u8 *buf);
#endif