drivers/char/rio/riodrvr.h

   1 /*
   2 ** -----------------------------------------------------------------------------
   3 **
   4 **  Perle Specialix driver for Linux
   5 **  Ported from existing RIO Driver for SCO sources.
   6  *
   7  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
   8  *
   9  *      This program is free software; you can redistribute it and/or modify
  10  *      it under the terms of the GNU General Public License as published by
  11  *      the Free Software Foundation; either version 2 of the License, or
  12  *      (at your option) any later version.
  13  *
  14  *      This program is distributed in the hope that it will be useful,
  15  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *      GNU General Public License for more details.
  18  *
  19  *      You should have received a copy of the GNU General Public License
  20  *      along with this program; if not, write to the Free Software
  21  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 **
  23 **      Module          : riodrvr.h
  24 **      SID             : 1.3
  25 **      Last Modified   : 11/6/98 09:22:46
  26 **      Retrieved       : 11/6/98 09:22:46
  27 **
  28 **  ident @(#)riodrvr.h 1.3
  29 **
  30 ** -----------------------------------------------------------------------------
  31 */
  32
  33 #ifndef __riodrvr_h
  34 #define __riodrvr_h
  35
  36 #include <asm/param.h>          /* for HZ */
  37
  38 #define MEMDUMP_SIZE    32
  39 #define MOD_DISABLE     (RIO_NOREAD|RIO_NOWRITE|RIO_NOXPRINT)
  40
  41
  42 struct rio_info {
  43         int mode;               /* Intr or polled, word/byte */
  44         spinlock_t RIOIntrSem;  /* Interrupt thread sem */
  45         int current_chan;       /* current channel */
  46         int RIOFailed;          /* Not initialised ? */
  47         int RIOInstallAttempts; /* no. of rio-install() calls */
  48         int RIOLastPCISearch;   /* status of last search */
  49         int RIONumHosts;        /* Number of RIO Hosts */
  50         struct Host *RIOHosts;  /* RIO Host values */
  51         struct Port **RIOPortp; /* RIO port values */
  52 /*
  53 ** 02.03.1999 ARG - ESIL 0820 fix
  54 ** We no longer use RIOBootMode
  55 **
  56         int                     RIOBootMode;            * RIO boot mode *
  57 **
  58 */
  59         int RIOPrintDisabled;   /* RIO printing disabled ? */
  60         int RIOPrintLogState;   /* RIO printing state ? */
  61         int RIOPolling;         /* Polling ? */
  62 /*
  63 ** 09.12.1998 ARG - ESIL 0776 part fix
  64 ** The 'RIO_QUICK_CHECK' ioctl was using RIOHalted.
  65 ** The fix for this ESIL introduces another member (RIORtaDisCons) here to be
  66 ** updated in RIOConCon() - to keep track of RTA connections/disconnections.
  67 ** 'RIO_QUICK_CHECK' now returns the value of RIORtaDisCons.
  68 */
  69         int RIOHalted;          /* halted ? */
  70         int RIORtaDisCons;      /* RTA connections/disconnections */
  71         unsigned int RIOReadCheck;      /* Rio read check */
  72         unsigned int RIONoMessage;      /* To display message or not */
  73         unsigned int RIONumBootPkts;    /* how many packets for an RTA */
  74         unsigned int RIOBootCount;      /* size of RTA code */
  75         unsigned int RIOBooting;        /* count of outstanding boots */
  76         unsigned int RIOSystemUp;       /* Booted ?? */
  77         unsigned int RIOCounting;       /* for counting interrupts */
  78         unsigned int RIOIntCount;       /* # of intr since last check */
  79         unsigned int RIOTxCount;        /* number of xmit intrs  */
  80         unsigned int RIORxCount;        /* number of rx intrs */
  81         unsigned int RIORupCount;       /* number of rup intrs */
  82         int RIXTimer;
  83         int RIOBufferSize;      /* Buffersize */
  84         int RIOBufferMask;      /* Buffersize */
  85
  86         int RIOFirstMajor;      /* First host card's major no */
  87
  88         unsigned int RIOLastPortsMapped;        /* highest port number known */
  89         unsigned int RIOFirstPortsMapped;       /* lowest port number known */
  90
  91         unsigned int RIOLastPortsBooted;        /* highest port number running */
  92         unsigned int RIOFirstPortsBooted;       /* lowest port number running */
  93
  94         unsigned int RIOLastPortsOpened;        /* highest port number running */
  95         unsigned int RIOFirstPortsOpened;       /* lowest port number running */
  96
  97         /* Flag to say that the topology information has been changed. */
  98         unsigned int RIOQuickCheck;
  99         unsigned int CdRegister;        /* ??? */
 100         int RIOSignalProcess;   /* Signalling process */
 101         int rio_debug;          /* To debug ... */
 102         int RIODebugWait;       /* For what ??? */
 103         int tpri;               /* Thread prio */
 104         int tid;                /* Thread id */
 105         unsigned int _RIO_Polled;       /* Counter for polling */
 106         unsigned int _RIO_Interrupted;  /* Counter for interrupt */
 107         int intr_tid;           /* iointset return value */
 108         int TxEnSem;            /* TxEnable Semaphore */
 109
 110
 111         struct Error RIOError;  /* to Identify what went wrong */
 112         struct Conf RIOConf;    /* Configuration ??? */
 113         struct ttystatics channel[RIO_PORTS];   /* channel information */
 114         char RIOBootPackets[1 + (SIXTY_FOUR_K / RTA_BOOT_DATA_SIZE)]
 115             [RTA_BOOT_DATA_SIZE];
 116         struct Map RIOConnectTable[TOTAL_MAP_ENTRIES];
 117         struct Map RIOSavedTable[TOTAL_MAP_ENTRIES];
 118
 119         /* RTA to host binding table for master/slave operation */
 120         unsigned long RIOBindTab[MAX_RTA_BINDINGS];
 121         /* RTA memory dump variable */
 122         unsigned char RIOMemDump[MEMDUMP_SIZE];
 123         struct ModuleInfo RIOModuleTypes[MAX_MODULE_TYPES];
 124
 125 };
 126
 127
 128 #ifdef linux
 129 #define debug(x)        printk x
 130 #else
 131 #define debug(x)        kkprintf x
 132 #endif
 133
 134
 135
 136 #define RIO_RESET_INT   0x7d80
 137
 138 #endif                          /* __riodrvr.h */