drivers/char/rio/link.h

   1 /****************************************************************************
   2  *******                                                              *******
   3  *******                      L I N K
   4  *******                                                              *******
   5  ****************************************************************************
   6
   7  Author  : Ian Nandhra / Jeremy Rolls
   8  Date    :
   9
  10  *
  11  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
  12  *
  13  *      This program is free software; you can redistribute it and/or modify
  14  *      it under the terms of the GNU General Public License as published by
  15  *      the Free Software Foundation; either version 2 of the License, or
  16  *      (at your option) any later version.
  17  *
  18  *      This program is distributed in the hope that it will be useful,
  19  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *      GNU General Public License for more details.
  22  *
  23  *      You should have received a copy of the GNU General Public License
  24  *      along with this program; if not, write to the Free Software
  25  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26
  27  Version : 0.01
  28
  29
  30                             Mods
  31  ----------------------------------------------------------------------------
  32   Date     By                Description
  33  ----------------------------------------------------------------------------
  34
  35  ***************************************************************************/
  36
  37 #ifndef _link_h
  38 #define _link_h 1
  39
  40 /*************************************************
  41  * Define the Link Status stuff
  42  ************************************************/
  43 /* Boot request stuff */
  44 #define BOOT_REQUEST       ((ushort) 0) /* Request for a boot */
  45 #define BOOT_ABORT         ((ushort) 1) /* Abort a boot */
  46 #define BOOT_SEQUENCE      ((ushort) 2) /* Packet with the number of packets
  47                                            and load address */
  48 #define BOOT_COMPLETED     ((ushort) 3) /* Boot completed */
  49
  50
  51 struct LPB {
  52         u16 link_number;        /* Link Number */
  53         u16 in_ch;      /* Link In Channel */
  54         u16 out_ch;     /* Link Out Channel */
  55         u8 attached_serial[4];  /* Attached serial number */
  56         u8 attached_host_serial[4];
  57         /* Serial number of Host who
  58            booted the other end */
  59         u16 descheduled;        /* Currently Descheduled */
  60         u16 state;              /* Current state */
  61         u16 send_poll;          /* Send a Poll Packet */
  62         u16 ltt_p;      /* Process Descriptor */
  63         u16 lrt_p;      /* Process Descriptor */
  64         u16 lrt_status;         /* Current lrt status */
  65         u16 ltt_status;         /* Current ltt status */
  66         u16 timeout;            /* Timeout value */
  67         u16 topology;           /* Topology bits */
  68         u16 mon_ltt;
  69         u16 mon_lrt;
  70         u16 WaitNoBoot; /* Secs to hold off booting */
  71         u16 add_packet_list;    /* Add packets to here */
  72         u16 remove_packet_list; /* Send packets from here */
  73
  74         u16 lrt_fail_chan;      /* Lrt's failure channel */
  75         u16 ltt_fail_chan;      /* Ltt's failure channel */
  76
  77         /* RUP structure for HOST to driver communications */
  78         struct RUP rup;
  79         struct RUP link_rup;    /* RUP for the link (POLL,
  80                                    topology etc.) */
  81         u16 attached_link;      /* Number of attached link */
  82         u16 csum_errors;        /* csum errors */
  83         u16 num_disconnects;    /* number of disconnects */
  84         u16 num_sync_rcvd;      /* # sync's received */
  85         u16 num_sync_rqst;      /* # sync requests */
  86         u16 num_tx;             /* Num pkts sent */
  87         u16 num_rx;             /* Num pkts received */
  88         u16 module_attached;    /* Module tpyes of attached */
  89         u16 led_timeout;        /* LED timeout */
  90         u16 first_port;         /* First port to service */
  91         u16 last_port;          /* Last port to service */
  92 };
  93
  94 #endif
  95
  96 /*********** end of file ***********/