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