summaryrefslogtreecommitdiffstats
path: root/drivers/char/ftape/lowlevel/ftape-ctl.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-ctl.h')
-rw-r--r--drivers/char/ftape/lowlevel/ftape-ctl.h162
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-ctl.h b/drivers/char/ftape/lowlevel/ftape-ctl.h
new file mode 100644
index 0000000..5f5e30b
--- /dev/null
+++ b/drivers/char/ftape/lowlevel/ftape-ctl.h
@@ -0,0 +1,162 @@
+#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
OpenPOWER on IntegriCloud