summaryrefslogtreecommitdiffstats
path: root/include/linux/ftape.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/ftape.h')
-rw-r--r--include/linux/ftape.h202
1 files changed, 202 insertions, 0 deletions
diff --git a/include/linux/ftape.h b/include/linux/ftape.h
new file mode 100644
index 0000000..c6b38d5
--- /dev/null
+++ b/include/linux/ftape.h
@@ -0,0 +1,202 @@
+#ifndef _FTAPE_H
+#define _FTAPE_H
+
+/*
+ * Copyright (C) 1994-1996 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/include/linux/ftape.h,v $
+ * $Revision: 1.17.6.4 $
+ * $Date: 1997/11/25 01:52:54 $
+ *
+ * This file contains global definitions, typedefs and macro's
+ * for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
+ */
+
+#define FTAPE_VERSION "ftape v3.04d 25/11/97"
+
+#ifdef __KERNEL__
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#endif
+#include <linux/types.h>
+#include <linux/config.h>
+#include <linux/mtio.h>
+
+#define FT_SECTOR(x) (x+1) /* sector offset into real sector */
+#define FT_SECTOR_SIZE 1024
+#define FT_SECTORS_PER_SEGMENT 32
+#define FT_ECC_SECTORS 3
+#define FT_SEGMENT_SIZE ((FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS) * FT_SECTOR_SIZE)
+#define FT_BUFF_SIZE (FT_SECTORS_PER_SEGMENT * FT_SECTOR_SIZE)
+
+/*
+ * bits of the minor device number that define drive selection
+ * methods. Could be used one day to access multiple tape
+ * drives on the same controller.
+ */
+#define FTAPE_SEL_A 0
+#define FTAPE_SEL_B 1
+#define FTAPE_SEL_C 2
+#define FTAPE_SEL_D 3
+#define FTAPE_SEL_MASK 3
+#define FTAPE_SEL(unit) ((unit) & FTAPE_SEL_MASK)
+#define FTAPE_NO_REWIND 4 /* mask for minor nr */
+
+/* the following two may be reported when MTIOCGET is requested ... */
+typedef union {
+ struct {
+ __u8 error;
+ __u8 command;
+ } error;
+ long space;
+} ft_drive_error;
+typedef union {
+ struct {
+ __u8 drive_status;
+ __u8 drive_config;
+ __u8 tape_status;
+ } status;
+ long space;
+} ft_drive_status;
+
+#ifdef __KERNEL__
+
+#define FT_RQM_DELAY 12
+#define FT_MILLISECOND 1
+#define FT_SECOND 1000
+#define FT_FOREVER -1
+#ifndef HZ
+#error "HZ undefined."
+#endif
+#define FT_USPT (1000000/HZ) /* microseconds per tick */
+
+/* This defines the number of retries that the driver will allow
+ * before giving up (and letting a higher level handle the error).
+ */
+#ifdef TESTING
+#define FT_SOFT_RETRIES 1 /* number of low level retries */
+#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
+#else
+#define FT_SOFT_RETRIES 6 /* number of low level retries (triple) */
+#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
+#endif
+
+#ifndef THE_FTAPE_MAINTAINER
+#define THE_FTAPE_MAINTAINER "the ftape maintainer"
+#endif
+
+/* Initialize missing configuration parameters.
+ */
+#ifndef CONFIG_FT_NR_BUFFERS
+# define CONFIG_FT_NR_BUFFERS 3
+#endif
+#ifndef CONFIG_FT_FDC_THR
+# define CONFIG_FT_FDC_THR 8
+#endif
+#ifndef CONFIG_FT_FDC_MAX_RATE
+# define CONFIG_FT_FDC_MAX_RATE 2000
+#endif
+#ifndef CONFIG_FT_FDC_BASE
+# define CONFIG_FT_FDC_BASE 0
+#endif
+#ifndef CONFIG_FT_FDC_IRQ
+# define CONFIG_FT_FDC_IRQ 0
+#endif
+#ifndef CONFIG_FT_FDC_DMA
+# define CONFIG_FT_FDC_DMA 0
+#endif
+
+/* Turn some booleans into numbers.
+ */
+#ifdef CONFIG_FT_PROBE_FC10
+# undef CONFIG_FT_PROBE_FC10
+# define CONFIG_FT_PROBE_FC10 1
+#else
+# define CONFIG_FT_PROBE_FC10 0
+#endif
+#ifdef CONFIG_FT_MACH2
+# undef CONFIG_FT_MACH2
+# define CONFIG_FT_MACH2 1
+#else
+# define CONFIG_FT_MACH2 0
+#endif
+
+/* Insert default settings
+ */
+#if CONFIG_FT_PROBE_FC10 == 1
+# if CONFIG_FT_FDC_BASE == 0
+# undef CONFIG_FT_FDC_BASE
+# define CONFIG_FT_FDC_BASE 0x180
+# endif
+# if CONFIG_FT_FDC_IRQ == 0
+# undef CONFIG_FT_FDC_IRQ
+# define CONFIG_FT_FDC_IRQ 9
+# endif
+# if CONFIG_FT_FDC_DMA == 0
+# undef CONFIG_FT_FDC_DMA
+# define CONFIG_FT_FDC_DMA 3
+# endif
+#elif CONFIG_FT_MACH2 == 1 /* CONFIG_FT_PROBE_FC10 == 1 */
+# if CONFIG_FT_FDC_BASE == 0
+# undef CONFIG_FT_FDC_BASE
+# define CONFIG_FT_FDC_BASE 0x1E0
+# endif
+# if CONFIG_FT_FDC_IRQ == 0
+# undef CONFIG_FT_FDC_IRQ
+# define CONFIG_FT_FDC_IRQ 6
+# endif
+# if CONFIG_FT_FDC_DMA == 0
+# undef CONFIG_FT_FDC_DMA
+# define CONFIG_FT_FDC_DMA 2
+# endif
+#elif CONFIG_FT_ALT_FDC == 1 /* CONFIG_FT_MACH2 */
+# if CONFIG_FT_FDC_BASE == 0
+# undef CONFIG_FT_FDC_BASE
+# define CONFIG_FT_FDC_BASE 0x370
+# endif
+# if CONFIG_FT_FDC_IRQ == 0
+# undef CONFIG_FT_FDC_IRQ
+# define CONFIG_FT_FDC_IRQ 6
+# endif
+# if CONFIG_FT_FDC_DMA == 0
+# undef CONFIG_FT_FDC_DMA
+# define CONFIG_FT_FDC_DMA 2
+# endif
+#else /* CONFIG_FT_ALT_FDC */
+# if CONFIG_FT_FDC_BASE == 0
+# undef CONFIG_FT_FDC_BASE
+# define CONFIG_FT_FDC_BASE 0x3f0
+# endif
+# if CONFIG_FT_FDC_IRQ == 0
+# undef CONFIG_FT_FDC_IRQ
+# define CONFIG_FT_FDC_IRQ 6
+# endif
+# if CONFIG_FT_FDC_DMA == 0
+# undef CONFIG_FT_FDC_DMA
+# define CONFIG_FT_FDC_DMA 2
+# endif
+#endif /* standard FDC */
+
+/* some useful macro's
+ */
+#define NR_ITEMS(x) (int)(sizeof(x)/ sizeof(*x))
+
+#endif /* __KERNEL__ */
+
+#endif
OpenPOWER on IntegriCloud