drivers/char/rio/host.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          : host.h
  24 **      SID             : 1.2
  25 **      Last Modified   : 11/6/98 11:34:10
  26 **      Retrieved       : 11/6/98 11:34:21
  27 **
  28 **  ident @(#)host.h    1.2
  29 **
  30 ** -----------------------------------------------------------------------------
  31 */
  32
  33 #ifndef __rio_host_h__
  34 #define __rio_host_h__
  35
  36 /*
  37 ** the host structure - one per host card in the system.
  38 */
  39
  40 #define MAX_EXTRA_UNITS 64
  41
  42 /*
  43 **    Host data structure. This is used for the software equiv. of
  44 **    the host.
  45 */
  46 struct Host {
  47         unsigned char Type;             /* RIO_EISA, RIO_MCA, ... */
  48         unsigned char Ivec;             /* POLLED or ivec number */
  49         unsigned char Mode;             /* Control stuff */
  50         unsigned char Slot;             /* Slot */
  51         void  __iomem *Caddr;           /* KV address of DPRAM */
  52         struct DpRam __iomem *CardP;    /* KV address of DPRAM, with overlay */
  53         unsigned long PaddrP;           /* Phys. address of DPRAM */
  54         char Name[MAX_NAME_LEN];        /* The name of the host */
  55         unsigned int UniqueNum;         /* host unique number */
  56         spinlock_t HostLock;    /* Lock structure for MPX */
  57         unsigned int WorkToBeDone;      /* set to true each interrupt */
  58         unsigned int InIntr;            /* Being serviced? */
  59         unsigned int IntSrvDone;        /* host's interrupt has been serviced */
  60         void (*Copy) (void *, void __iomem *, int);     /* copy func */
  61         struct timer_list timer;
  62         /*
  63          **               I M P O R T A N T !
  64          **
  65          ** The rest of this data structure is cleared to zero after
  66          ** a RIO_HOST_FOAD command.
  67          */
  68
  69         unsigned long Flags;                    /* Whats going down */
  70 #define RC_WAITING            0
  71 #define RC_STARTUP            1
  72 #define RC_RUNNING            2
  73 #define RC_STUFFED            3
  74 #define RC_READY              7
  75 #define RUN_STATE             7
  76 /*
  77 ** Boot mode applies to the way in which hosts in this system will
  78 ** boot RTAs
  79 */
  80 #define RC_BOOT_ALL           0x8               /* Boot all RTAs attached */
  81 #define RC_BOOT_OWN           0x10              /* Only boot RTAs bound to this system */
  82 #define RC_BOOT_NONE          0x20              /* Don't boot any RTAs (slave mode) */
  83
  84         struct Top Topology[LINKS_PER_UNIT];    /* one per link */
  85         struct Map Mapping[MAX_RUP];            /* Mappings for host */
  86         struct PHB __iomem *PhbP;               /* Pointer to the PHB array */
  87         unsigned short __iomem *PhbNumP;        /* Ptr to Number of PHB's */
  88         struct LPB __iomem *LinkStrP;           /* Link Structure Array */
  89         struct RUP __iomem *RupP;               /* Sixteen real rups here */
  90         struct PARM_MAP __iomem *ParmMapP;      /* points to the parmmap */
  91         unsigned int ExtraUnits[MAX_EXTRA_UNITS];       /* unknown things */
  92         unsigned int NumExtraBooted;            /* how many of the above */
  93         /*
  94          ** Twenty logical rups.
  95          ** The first sixteen are the real Rup entries (above), the last four
  96          ** are the link RUPs.
  97          */
  98         struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
  99         int timeout_id;                         /* For calling 100 ms delays */
 100         int timeout_sem;                        /* For calling 100 ms delays */
 101         long locks;                             /* long req'd for set_bit --RR */
 102         char ____end_marker____;
 103 };
 104 #define Control      CardP->DpControl
 105 #define SetInt       CardP->DpSetInt
 106 #define ResetTpu     CardP->DpResetTpu
 107 #define ResetInt     CardP->DpResetInt
 108 #define Signature    CardP->DpSignature
 109 #define Sram1        CardP->DpSram1
 110 #define Sram2        CardP->DpSram2
 111 #define Sram3        CardP->DpSram3
 112 #define Scratch      CardP->DpScratch
 113 #define __ParmMapR   CardP->DpParmMapR
 114 #define SLX          CardP->DpSlx
 115 #define Revision     CardP->DpRevision
 116 #define Unique       CardP->DpUnique
 117 #define Year         CardP->DpYear
 118 #define Week         CardP->DpWeek
 119
 120 #define RIO_DUMBPARM 0x0860     /* what not to expect */
 121
 122 #endif