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 #ifdef SCCS_LABELS
  37 #ifndef lint
  38 static char *_host_h_sccs_ = "@(#)host.h        1.2";
  39 #endif
  40 #endif
  41
  42 /*
  43 ** the host structure - one per host card in the system.
  44 */
  45
  46 #define MAX_EXTRA_UNITS 64
  47
  48 /*
  49 **    Host data structure. This is used for the software equiv. of
  50 **    the host.
  51 */
  52 struct Host {
  53         uchar Type;             /* RIO_EISA, RIO_MCA, ... */
  54         uchar Ivec;             /* POLLED or ivec number */
  55         uchar Mode;             /* Control stuff */
  56         uchar Slot;             /* Slot */
  57         volatile caddr_t Caddr; /* KV address of DPRAM */
  58         volatile struct DpRam *CardP;   /* KV address of DPRAM, with overlay */
  59         paddr_t PaddrP;         /* Phys. address of DPRAM */
  60         char Name[MAX_NAME_LEN];        /* The name of the host */
  61         uint UniqueNum;         /* host unique number */
  62         spinlock_t HostLock;    /* Lock structure for MPX */
  63         /*struct pci_devinfo    PciDevInfo; *//* PCI Bus/Device/Function stuff */
  64         /*struct lockb          HostLock;  *//* Lock structure for MPX */
  65         uint WorkToBeDone;      /* set to true each interrupt */
  66         uint InIntr;            /* Being serviced? */
  67         uint IntSrvDone;        /* host's interrupt has been serviced */
  68         int (*Copy) (caddr_t, caddr_t, int);    /* copy func */
  69         struct timer_list timer;
  70         /*
  71          **               I M P O R T A N T !
  72          **
  73          ** The rest of this data structure is cleared to zero after
  74          ** a RIO_HOST_FOAD command.
  75          */
  76
  77         ulong Flags;            /* Whats going down */
  78 #define RC_WAITING            0
  79 #define RC_STARTUP            1
  80 #define RC_RUNNING            2
  81 #define RC_STUFFED            3
  82 #define RC_SOMETHING          4
  83 #define RC_SOMETHING_NEW      5
  84 #define RC_SOMETHING_ELSE     6
  85 #define RC_READY              7
  86 #define RUN_STATE             7
  87 /*
  88 ** Boot mode applies to the way in which hosts in this system will
  89 ** boot RTAs
  90 */
  91 #define RC_BOOT_ALL           0x8       /* Boot all RTAs attached */
  92 #define RC_BOOT_OWN           0x10      /* Only boot RTAs bound to this system */
  93 #define RC_BOOT_NONE          0x20      /* Don't boot any RTAs (slave mode) */
  94
  95         struct Top Topology[LINKS_PER_UNIT];    /* one per link */
  96         struct Map Mapping[MAX_RUP];    /* Mappings for host */
  97         struct PHB *PhbP;       /* Pointer to the PHB array */
  98         ushort *PhbNumP;        /* Ptr to Number of PHB's */
  99         struct LPB *LinkStrP;   /* Link Structure Array */
 100         struct RUP *RupP;       /* Sixteen real rups here */
 101         struct PARM_MAP *ParmMapP;      /* points to the parmmap */
 102         uint ExtraUnits[MAX_EXTRA_UNITS];       /* unknown things */
 103         uint NumExtraBooted;    /* how many of the above */
 104         /*
 105          ** Twenty logical rups.
 106          ** The first sixteen are the real Rup entries (above), the last four
 107          ** are the link RUPs.
 108          */
 109         struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
 110         int timeout_id;         /* For calling 100 ms delays */
 111         int timeout_sem;        /* For calling 100 ms delays */
 112         long locks;             /* long req'd for set_bit --RR */
 113         char ____end_marker____;
 114 };
 115 #define Control      CardP->DpControl
 116 #define SetInt       CardP->DpSetInt
 117 #define ResetTpu     CardP->DpResetTpu
 118 #define ResetInt     CardP->DpResetInt
 119 #define Signature    CardP->DpSignature
 120 #define Sram1        CardP->DpSram1
 121 #define Sram2        CardP->DpSram2
 122 #define Sram3        CardP->DpSram3
 123 #define Scratch      CardP->DpScratch
 124 #define __ParmMapR   CardP->DpParmMapR
 125 #define SLX          CardP->DpSlx
 126 #define Revision     CardP->DpRevision
 127 #define Unique       CardP->DpUnique
 128 #define Year         CardP->DpYear
 129 #define Week         CardP->DpWeek
 130
 131 #define RIO_DUMBPARM 0x0860     /* what not to expect */
 132
 133 #endif