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Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-proc.c')
-rw-r--r--drivers/char/ftape/lowlevel/ftape-proc.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-proc.c b/drivers/char/ftape/lowlevel/ftape-proc.c
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+++ b/drivers/char/ftape/lowlevel/ftape-proc.c
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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.
+ */
+
+#include <linux/config.h>
+
+#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) */