ftape-ctl.h
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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
- /*
- * 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