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#ifndef _FTAPE_CTL_H
#define _FTAPE_CTL_H
/*
* Copyright (C) 1993-1996 Bas Laarhoven,
* (C) 1996-1997 Claus-Justus Heine.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-ctl.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:18:09 $
*
* This file contains the non-standard IOCTL related definitions
* for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for
* Linux.
*/
#include <linux/ioctl.h>
#include <linux/mtio.h>
#include <linux/ftape-vendors.h>
#include "../lowlevel/ftape-rw.h"
#include <linux/ftape-header-segment.h>
typedef struct {
int used; /* any reading or writing done */
/* isr statistics */
unsigned int id_am_errors; /* id address mark not found */
unsigned int id_crc_errors; /* crc error in id address mark */
unsigned int data_am_errors; /* data address mark not found */
unsigned int data_crc_errors; /* crc error in data field */
unsigned int overrun_errors; /* fdc access timing problem */
unsigned int no_data_errors; /* sector not found */
unsigned int retries; /* number of tape retries */
/* ecc statistics */
unsigned int crc_errors; /* crc error in data */
unsigned int crc_failures; /* bad data without crc error */
unsigned int ecc_failures; /* failed to correct */
unsigned int corrected; /* total sectors corrected */
/* general statistics */
unsigned int rewinds; /* number of tape rewinds */
unsigned int defects; /* bad sectors due to media defects */
} history_record;
/* this structure contains * ALL * information that we want
* our child modules to know about, but don't want them to
* modify.
*/
typedef struct {
/* vendor information */
vendor_struct fti_drive_type;
/* data rates */
unsigned int fti_used_data_rate;
unsigned int fti_drive_max_rate;
unsigned int fti_fdc_max_rate;
/* drive selection, either FTAPE_SEL_A/B/C/D */
int fti_drive_sel;
/* flags set after decode the drive and tape status */
unsigned int fti_formatted :1;
unsigned int fti_no_tape :1;
unsigned int fti_write_protected:1;
unsigned int fti_new_tape :1;
/* values of last queried drive/tape status and error */
ft_drive_error fti_last_error;
ft_drive_status fti_last_status;
/* cartridge geometry */
unsigned int fti_tracks_per_tape;
unsigned int fti_segments_per_track;
/* location of header segments, etc. */
int fti_used_header_segment;
int fti_header_segment_1;
int fti_header_segment_2;
int fti_first_data_segment;
int fti_last_data_segment;
/* the format code as stored in the header segment */
ft_format_type fti_format_code;
/* the following is the sole reason for the ftape_set_status() call */
unsigned int fti_qic_std;
/* is tape running? */
volatile enum runner_status_enum fti_runner_status;
/* is tape reading/writing/verifying/formatting/deleting */
buffer_state_enum fti_state;
/* flags fatal hardware error */
unsigned int fti_failure:1;
/* history record */
history_record fti_history;
} ftape_info;
/* vendor information */
#define ft_drive_type ftape_status.fti_drive_type
/* data rates */
#define ft_data_rate ftape_status.fti_used_data_rate
#define ft_drive_max_rate ftape_status.fti_drive_max_rate
#define ft_fdc_max_rate ftape_status.fti_fdc_max_rate
/* drive selection, either FTAPE_SEL_A/B/C/D */
#define ft_drive_sel ftape_status.fti_drive_sel
/* flags set after decode the drive and tape status */
#define ft_formatted ftape_status.fti_formatted
#define ft_no_tape ftape_status.fti_no_tape
#define ft_write_protected ftape_status.fti_write_protected
#define ft_new_tape ftape_status.fti_new_tape
/* values of last queried drive/tape status and error */
#define ft_last_error ftape_status.fti_last_error
#define ft_last_status ftape_status.fti_last_status
/* cartridge geometry */
#define ft_tracks_per_tape ftape_status.fti_tracks_per_tape
#define ft_segments_per_track ftape_status.fti_segments_per_track
/* the format code as stored in the header segment */
#define ft_format_code ftape_status.fti_format_code
/* the qic status as returned by report drive configuration */
#define ft_qic_std ftape_status.fti_qic_std
#define ft_used_header_segment ftape_status.fti_used_header_segment
#define ft_header_segment_1 ftape_status.fti_header_segment_1
#define ft_header_segment_2 ftape_status.fti_header_segment_2
#define ft_first_data_segment ftape_status.fti_first_data_segment
#define ft_last_data_segment ftape_status.fti_last_data_segment
/* is tape running? */
#define ft_runner_status ftape_status.fti_runner_status
/* is tape reading/writing/verifying/formatting/deleting */
#define ft_driver_state ftape_status.fti_state
/* flags fatal hardware error */
#define ft_failure ftape_status.fti_failure
/* history record */
#define ft_history ftape_status.fti_history
/* compatibility with old kernel versions
*/
#if LINUX_VERSION_CODE <= KERNEL_VER(1,2,13)
#define _IOC_SIZE(cmd) (((cmd) & IOCSIZE_MASK) >> IOCSIZE_SHIFT)
#define _IOC_DIR(cmd) (cmd)
#define _IOC_WRITE IOC_IN
#define _IOC_READ IOC_OUT
#endif
/*
* ftape-ctl.c defined global vars.
*/
extern ftape_info ftape_status;
extern int ftape_segments_per_head;
extern int ftape_segments_per_cylinder;
extern int ftape_init_drive_needed;
/*
* ftape-ctl.c defined global functions.
*/
extern int ftape_mmap(struct vm_area_struct *vma);
extern int ftape_enable(int drive_selection);
extern void ftape_disable(void);
extern int ftape_seek_to_bot(void);
extern int ftape_seek_to_eot(void);
extern int ftape_abort_operation(void);
extern void ftape_calc_timeouts(unsigned int qic_std,
unsigned int data_rate,
unsigned int tape_len);
extern int ftape_calibrate_data_rate(unsigned int qic_std);
extern int ftape_init_drive(void);
extern const ftape_info *ftape_get_status(void);
#endif
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