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/* $NetBSD$ */
/*
* File "udf_discop.h" is part of the UDFclient toolkit.
* File $Id: udf_discop.h,v 1.30 2011/02/01 20:43:41 reinoud Exp $ $Name: $
*
* Copyright (c) 2003, 2004, 2005, 2006, 2011
* Reinoud Zandijk <reinoud@netbsd.org>
* All rights reserved.
*
* The UDFclient toolkit is distributed under the Clarified Artistic Licence.
* A copy of the licence is included in the distribution as
* `LICENCE.clearified.artistic' and a copy of the licence can also be
* requested at the GNU foundantion's website.
*
* Visit the UDFclient toolkit homepage http://www.13thmonkey.org/udftoolkit/
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 _UDF_DISCOP_H_
#define _UDF_DISCOP_H_
#include <pthread.h>
#include "defs.h"
#include "uscsilib.h"
#include "queue.h"
/* setup constants */
#define UDF_DISCOP_BSWAP 1
/* Implementation constants */
#define MAX_SESSIONS 100
#define CD_SECTOR_SIZE 2048
#define DISC_SECTOR_SIZE 512
/* State and driver constants */
#define DISC_STATE_EMPTY 0 /* nothing on the disc */
#define DISC_STATE_INCOMPLETE 1 /* can be appended */
#define DISC_STATE_FULL 2 /* no appending possible */
#define DISC_STATE_NOT_SERIAL 3 /* not serial */
#define SESSION_STATE_EMPTY 0 /* still empty */
#define SESSION_STATE_INCOMPLETE 1 /* session is open */
#define SESSION_STATE_CLOSED 2 /* we need a new session */
#define SESSION_STATE_COMPLETE 3 /* no appending possible */
#define UDF_DEVDRV_CLASS 0xFF
#define UDF_DEVDRV_CLASS_FILE 0x00
#define UDF_DEVDRV_CLASS_DISC 0x01
#define UDF_DEVDRV_CLASS_CD 0x02
#define UDF_DEVDRV_CLASS_DVD 0x04
#define UDF_DEVDRV_CLASS_MO 0x08
#define UDF_DEVDRV_CLASS_BD 0x10
/* will go? */
struct udf_session;
/*
* The complete disc, all cd sessions and how to access the drive
*/
struct udf_discinfo {
struct uscsi_dev *dev; /* uscsi device associated */
int scsi_device_type; /* in case of SCSI */
int mmc_profile; /* in case of SCSI */
int devdrv_class;
int sequential; /* media is sequential writable only */
int recordable; /* media is record-able; i.e. not static */
int erasable; /* drive can erase sectors */
int blankable; /* media can be blanked by the drive */
int formattable; /* media can be formatted by the drive */
int rewritable; /* media can be rewritten */
int mrw; /* media is identified as being MRW formatted */
int packet; /* media is using packet recording */
int strict_overwrite; /* media can only be written a packet at a time */
int blockingnr; /* blocking size for ECC/modification */
int sector_size; /* sector size in bytes */
int alt_sector_size; /* if non zero, override normal sectorsize */
int link_size; /* link size lossage when having underruns */
int disc_state; /* empty - incomplete - full - not_serial */
int last_session_state; /* empty - incomplete - closed - complete */
/* flags that alter udf_discop's behaviour */
int udf_recording; /* flags if a recording is initialised */
int bswap_sectors; /* swap all bytes in a sector */
/* statistics */
int am_writing;
uint64_t sectors_read;
uint64_t sectors_written;
uint32_t switchings;
/* sessions */
int num_sessions;
int num_udf_sessions;
int session_is_UDF[MAX_SESSIONS];
int session_quirks[MAX_SESSIONS];
off_t session_start [MAX_SESSIONS];
off_t session_end [MAX_SESSIONS];
uint32_t next_writable [MAX_SESSIONS];
uint32_t free_blocks [MAX_SESSIONS];
uint32_t packet_size [MAX_SESSIONS];
STAILQ_HEAD(udf_sessions, udf_session) sessions;
SLIST_ENTRY(udf_discinfo) next_disc;
};
/* exported functions */
extern int udf_open_disc(char *dev_name, int discop_flags, struct udf_discinfo **discptr);
extern int udf_close_disc(struct udf_discinfo *disc);
extern int udf_discinfo_get_type(struct udf_discinfo *disc);
extern int udf_discinfo_check_disc_ready(struct udf_discinfo *disc);
extern int udf_discinfo_is_cd_or_dvd(struct udf_discinfo *disc);
extern int udf_discinfo_set_recording_parameters(struct udf_discinfo *discinfo, int testwriting);
extern int udf_discinfo_alter_perception(struct udf_discinfo *disc, uint32_t sec_size, uint32_t num_sectors);
extern int udf_discinfo_finish_writing(struct udf_discinfo *discinfo);
extern int udf_discinfo_reserve_track_in_logic_units(struct udf_discinfo *discinfo, uint32_t logic_units);
extern int udf_discinfo_close_track(struct udf_discinfo *discinfo, uint16_t trackno);
extern int udf_discinfo_repair_track(struct udf_discinfo *discinfo, uint16_t trackno);
extern int udf_read_physical_sectors(struct udf_discinfo *disc, off_t sector, uint32_t num_sectors, char *what, uint8_t *result);
extern int udf_write_physical_sectors(struct udf_discinfo *disc, off_t sector, uint32_t num_sectors, char *what, uint8_t *source);
#endif /* _UDF_DISCOP_H_ */
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