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
new file mode 100644
index 000000000000..c66251e997ed
--- /dev/null
+++ b/drivers/char/ftape/lowlevel/ftape-proc.c
@@ -0,0 +1,215 @@
+/*
+ *      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) */