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