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/*
* Copyright (C) 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-proc.c,v $
* $Revision: 1.11 $
* $Date: 1997/10/24 14:47:37 $
*
* This file contains the procfs interface for the
* QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux.
* Old code removed, switched to dynamic proc entry.
*/
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
#include <linux/proc_fs.h>
#include <linux/ftape.h>
#include <linux/init.h>
#include <linux/qic117.h>
#include "../lowlevel/ftape-io.h"
#include "../lowlevel/ftape-ctl.h"
#include "../lowlevel/ftape-proc.h"
#include "../lowlevel/ftape-tracing.h"
static size_t get_driver_info(char *buf)
{
const char *debug_level[] = { "bugs" ,
"errors",
"warnings",
"informational",
"noisy",
"program flow",
"fdc and dma",
"data flow",
"anything" };
return sprintf(buf,
"version : %s\n"
"used data rate: %d kbit/sec\n"
"dma memory : %d kb\n"
"debug messages: %s\n",
FTAPE_VERSION,
ft_data_rate,
FT_BUFF_SIZE * ft_nr_buffers >> 10,
debug_level[TRACE_LEVEL]);
}
static size_t get_tapedrive_info(char *buf)
{
return sprintf(buf,
"vendor id : 0x%04x\n"
"drive name: %s\n"
"wind speed: %d ips\n"
"wakeup : %s\n"
"max. rate : %d kbit/sec\n",
ft_drive_type.vendor_id,
ft_drive_type.name,
ft_drive_type.speed,
((ft_drive_type.wake_up == no_wake_up)
? "No wakeup needed" :
((ft_drive_type.wake_up == wake_up_colorado)
? "Colorado" :
((ft_drive_type.wake_up == wake_up_mountain)
? "Mountain" :
((ft_drive_type.wake_up == wake_up_insight)
? "Motor on" :
"Unknown")))),
ft_drive_max_rate);
}
static size_t get_cartridge_info(char *buf)
{
if (ftape_init_drive_needed) {
return sprintf(buf, "uninitialized\n");
}
if (ft_no_tape) {
return sprintf(buf, "no cartridge inserted\n");
}
return sprintf(buf,
"segments : %5d\n"
"tracks : %5d\n"
"length : %5dft\n"
"formatted : %3s\n"
"writable : %3s\n"
"QIC spec. : QIC-%s\n"
"fmt-code : %1d\n",
ft_segments_per_track,
ft_tracks_per_tape,
ftape_tape_len,
(ft_formatted == 1) ? "yes" : "no",
(ft_write_protected == 1) ? "no" : "yes",
((ft_qic_std == QIC_TAPE_QIC40) ? "40" :
((ft_qic_std == QIC_TAPE_QIC80) ? "80" :
((ft_qic_std == QIC_TAPE_QIC3010) ? "3010" :
((ft_qic_std == QIC_TAPE_QIC3020) ? "3020" :
"???")))),
ft_format_code);
}
static size_t get_controller_info(char *buf)
{
const char *fdc_name[] = { "no fdc",
"i8272",
"i82077",
"i82077AA",
"Colorado FC-10 or FC-20",
"i82078",
"i82078_1" };
return sprintf(buf,
"FDC type : %s\n"
"FDC base : 0x%03x\n"
"FDC irq : %d\n"
"FDC dma : %d\n"
"FDC thr. : %d\n"
"max. rate : %d kbit/sec\n",
ft_mach2 ? "Mountain MACH-2" : fdc_name[fdc.type],
fdc.sra, fdc.irq, fdc.dma,
ft_fdc_threshold, ft_fdc_max_rate);
}
static size_t get_history_info(char *buf)
{
size_t len;
len = sprintf(buf,
"\nFDC isr statistics\n"
" id_am_errors : %3d\n"
" id_crc_errors : %3d\n"
" data_am_errors : %3d\n"
" data_crc_errors : %3d\n"
" overrun_errors : %3d\n"
" no_data_errors : %3d\n"
" retries : %3d\n",
ft_history.id_am_errors, ft_history.id_crc_errors,
ft_history.data_am_errors, ft_history.data_crc_errors,
ft_history.overrun_errors, ft_history.no_data_errors,
ft_history.retries);
len += sprintf(buf + len,
"\nECC statistics\n"
" crc_errors : %3d\n"
" crc_failures : %3d\n"
" ecc_failures : %3d\n"
" sectors corrected: %3d\n",
ft_history.crc_errors, ft_history.crc_failures,
ft_history.ecc_failures, ft_history.corrected);
len += sprintf(buf + len,
"\ntape quality statistics\n"
" media defects : %3d\n",
ft_history.defects);
len += sprintf(buf + len,
"\ntape motion statistics\n"
" repositions : %3d\n",
ft_history.rewinds);
return len;
}
static int ftape_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *ptr = page;
size_t len;
ptr += sprintf(ptr, "Kernel Driver\n\n");
ptr += get_driver_info(ptr);
ptr += sprintf(ptr, "\nTape Drive\n\n");
ptr += get_tapedrive_info(ptr);
ptr += sprintf(ptr, "\nFDC Controller\n\n");
ptr += get_controller_info(ptr);
ptr += sprintf(ptr, "\nTape Cartridge\n\n");
ptr += get_cartridge_info(ptr);
ptr += sprintf(ptr, "\nHistory Record\n\n");
ptr += get_history_info(ptr);
len = strlen(page);
*start = NULL;
if (off+count >= len) {
*eof = 1;
} else {
*eof = 0;
}
return len;
}
int __init ftape_proc_init(void)
{
return create_proc_read_entry("ftape", 0, &proc_root,
ftape_read_proc, NULL) != NULL;
}
void ftape_proc_destroy(void)
{
remove_proc_entry("ftape", &proc_root);
}
#endif /* defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) */
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