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/*
* This file is part of the libpayload project.
*
* Copyright (C) 2012 secunet Security Networks AG
*
* 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 _STORAGE_ATAPI_H
#define _STORAGE_ATAPI_H
#include <stdint.h>
#include "storage.h"
#include "ata.h"
/* ATAPI commands */
enum {
ATAPI_TEST_UNIT_READY = 0x00,
ATAPI_REQUEST_SENSE = 0x03,
ATAPI_START_STOP_UNIT = 0x1b,
ATAPI_PREVENT_ALLOW_MEDIUM_REMOVAL = 0x1e,
ATAPI_READ_CAPACITY = 0x25,
ATAPI_READ_10 = 0x28,
};
/* ATAPI sense codes */
enum {
ATAPI_SENSE_NOT_READY = 0x02,
ATAPI_SENSE_UNIT_ATTENTION = 0x06,
};
/* ATAPI additional sense codes (particularize the above) */
enum {
ATAPI_ADDITIONAL_SENSE_LOGICAL_UNIT_NOT_READY = 0x04,
ATAPI_ADDITIONAL_SENSE_MEDIUM_NOT_PRESENT = 0x3a,
};
struct atapi_dev;
typedef struct atapi_dev {
/* Keep this at offset 0 so we can cast to ata_dev_t. */
ata_dev_t ata_dev;
int (*identify)(struct ata_dev *, u8 *buf); /* yes, ata_dev_t */
ssize_t (*packet_read_cmd)(struct atapi_dev *, const u8 *cmd, size_t cmdlen, u8 *buf, size_t buflen);
u8 sense_data[19]; /* We needed 19 in usbmsc.c. */
u8 medium_present;
void (*detach_device)(struct atapi_dev *);
} atapi_dev_t;
int atapi_attach_device(atapi_dev_t *, storage_port_t);
#endif
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