| #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 const ftape_info *ftape_get_status(void); |
| #endif |