patch-2.1.66 linux/include/linux/ftape.h

• Lines: 252
• Date: Tue Nov 25 15:56:20 1997
• Orig file: v2.1.65/linux/include/linux/ftape.h
• Orig date: Mon Jul 7 16:02:33 1997

diff -u --recursive --new-file v2.1.65/linux/include/linux/ftape.h linux/include/linux/ftape.h
@@ -2,69 +2,211 @@
 #define _FTAPE_H
 
 /*
- * Copyright (C) 1994-1995 Bas Laarhoven.
+ * 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.
+ 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: /home/bas/distr/ftape-2.03b/RCS/ftape.h,v $
- $Author: bas $
- *
- $Revision: 1.18 $
- $Date: 1995/05/06 16:11:53 $
- $State: Beta $
+ * $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 floppy-tape driver for Linux.
+ *      for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
  */
 
+#define FTAPE_VERSION "ftape v3.04d 25/11/97"
+
+/* this makes the Kernel version numbers readable */
+#define KERNEL_VER(major,minor,sublvl) (((major)<<16)+((minor)<<8)+(sublvl))
+
+#ifdef __KERNEL__
 #include <linux/sched.h>
 #include <linux/mm.h>
+#endif
+#include <linux/types.h>
+#include <linux/version.h>
+#include <linux/config.h>
+#if LINUX_VERSION_CODE <= KERNEL_VER(1,2,13) 
+typedef daddr_t __kernel_daddr_t; /* needed for mtio.h */
+#endif
+#include <linux/mtio.h>
 
-#define SECTOR(x)       (x+1)         /* sector offset into real sector */
-#define SECTOR_SIZE     (1024)
-#define SECTORS_PER_SEGMENT (32)
-#define BUFF_SIZE       (SECTORS_PER_SEGMENT * SECTOR_SIZE)
-#define FTAPE_UNIT      (ftape_unit & 3)
-#define RQM_DELAY       (12)
-#define MILLISECOND     (1)
-#define SECOND          (1000)
-#define FOREVER         (-1)
+#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."
+#error "HZ undefined."
 #endif
-#define MSPT            (SECOND / HZ) /* milliseconds per tick */
+#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 SOFT_RETRIES 1          /* number of low level retries */
-# define RETRIES_ON_ECC_ERROR 3  /* ecc error when correcting segment */
+#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 SOFT_RETRIES 6          /* number of low level retries (triple) */
-# define RETRIES_ON_ECC_ERROR 3  /* ecc error when correcting segment */
+# 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 CONIFG_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 ABS(a)          ((a) < 0 ? -(a) : (a))
-#define NR_ITEMS(x)     (sizeof(x)/ sizeof(*x))
-
-typedef unsigned char byte;
+#define NR_ITEMS(x)     (int)(sizeof(x)/ sizeof(*x))
 
 extern int ftape_init(void);
 
-#endif
+#endif  /* __KERNEL__ */
 
+#endif