2.11BSD#431 - /usr/src/sys/vaxif/if_ddnreg.h

   1: /*	@(#)if_ddnreg.h	7.1 (Berkeley) 6/5/86 */
   2: 
   3: 
   4: /************************************************************************\
   5: 
   6:      ________________________________________________________
   7:     /                                                        \
   8:    |          AAA          CCCCCCCCCCCCCC    CCCCCCCCCCCCCC   |
   9:    |         AAAAA        CCCCCCCCCCCCCCCC  CCCCCCCCCCCCCCCC  |
  10:    |        AAAAAAA       CCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCC |
  11:    |       AAAA AAAA      CCCC              CCCC              |
  12:    |      AAAA   AAAA     CCCC              CCCC              |
  13:    |     AAAA     AAAA    CCCC              CCCC              |
  14:    |    AAAA       AAAA   CCCC              CCCC              |
  15:    |   AAAA  AAAAAAAAAAA  CCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCC |
  16:    |  AAAA    AAAAAAAAAAA CCCCCCCCCCCCCCCC  CCCCCCCCCCCCCCCC  |
  17:    | AAAA      AAAAAAAAA   CCCCCCCCCCCCCC    CCCCCCCCCCCCCC   |
  18:     \________________________________________________________/
  19: 
  20: 	Copyright (c) 1985 by Advanced Computer Communications
  21: 	720 Santa Barbara Street, Santa Barbara, California  93101
  22: 	(805) 963-9431
  23: 
  24: 	This software may be duplicated and used on systems
  25: 	which are licensed to run U.C. Berkeley versions of
  26: 	the UNIX operating system.  Any duplication of any
  27: 	part of this software must include a copy of ACC's
  28: 	copyright notice.
  29: 
  30: 
  31: File:
  32: 		if_ddnreg.h
  33: 
  34: Author:
  35: 		Art Berggreen
  36: 
  37: Project:
  38: 		4.2 DDN X.25 network driver
  39: 
  40: Function:
  41: 		This file contains definitions of the hardware
  42: 		interface of the ACP625 (IF-11/X25).
  43: 
  44: Components:
  45: 
  46: Revision History:
  47: 		16-May-1985:	V1.0 - First release.
  48: 				Art Berggreen.
  49: 
  50: \************************************************************************/
  51: 
  52: 
  53: /*	if_ddnvar.h	 V1.0	5/16/85	*/
  54: 
  55: /*
  56:  * ACC IF-11/DDN-X25 interface
  57:  */
  58: 
  59: struct ddnregs {            /* device registers */
  60:     u_short csr;            /* control and status register */
  61:     u_char  iochn;          /* logical channel */
  62:     u_char  ioadx;          /* address extension (A16,A17) */
  63:     u_short ioadl;          /* buffer address (A0-A15) */
  64:     u_short iocnt;          /* byte count */
  65:     u_char  iofcn;          /* UMC funciton code */
  66:     u_char  iosbf;          /* UMC subfunction code */
  67:     u_char  ioini;          /* comm regs valid flag */
  68:     u_char  staack;         /* interrupt acknowledge flag */
  69:     u_char  ionmi;          /* NMI routine active flag */
  70:     u_char  xfrgnt;         /* UMR transfer grant flag */
  71:     u_char  stachn;         /* interrupt channel number */
  72:     u_char  statyp;         /* interrupt type code */
  73:     u_char  stacc;          /* completion function code */
  74:     u_char  stacs;          /* completion subfunction code */
  75:     u_short stacnt;         /* completion byte count */
  76: };
  77: 
  78: #define iovect  iochn
  79: 
  80: /* defines for CSR */
  81: 
  82: #define DDN_UER     0100000     /* UMC error condition */
  83: #define DDN_NXM     0040000     /* non-existent memory error */
  84: #define DDN_PER     0020000     /* UNIBUS parity error */
  85: #define DDN_ZRUN    0010000     /* Z80 running */
  86: #define DDN_ZGO     0004000     /* Z80 not in wait state */
  87: #define DDN_MBLK    0000200     /* memory swap state (0=main, 1=srv) */
  88: #define DDN_SRV     0000100     /* select UMC service memory */
  89: #define DDN_MAIN    0000040     /* select UMC main memory */
  90: #define DDN_DMA     0000020     /* DMA enable */
  91: #define DDN_WRT     0000010     /* DMA write enable */
  92: #define DDN_IEN     0000004     /* interrupt enable */
  93: #define DDN_RST     0000002     /* reset */
  94: #define DDN_NMI     0000001     /* cause NMI */
  95: 
  96: #define DDN_BITS \
  97: "\10\20UER\17NXM\16PER\15ZRUN\14ZGO\10MBLK\7SRV\6MAIN\5DMA\4WRT\3IEN\2RST\1NMI"
  98: 
  99: /* start i/o function code definitions */
 100: 
 101: #define DDNWRT      0   /* write to if-11 */
 102: #define DDNRDB      1   /* read from if-11 */
 103: #define DDNSTR      2   /* stream flag */
 104: #define DDNEOS      (4|DDNSTR)  /* end of stream flag */
 105: #define DDNABT      8   /* abort flag */
 106: #define DDNUMR      16  /* UMR protocol flag */
 107: 
 108: /* interrupt type definitions */
 109: 
 110: #define DDNSACK     0   /* start i/o ack */
 111: #define DDNDONE     1   /* i/o completion */
 112: #define DDNXREQ     2   /* UMR protocol transfer request */
 113: 
 114: /* i/o completion codes */
 115: 
 116: #define DDNIOCOK    0001    /* successful completion */
 117: #define DDNIOCOKP   0002    /* successful completion, more data pending */
 118: #define DDNIOCABT   0361    /* i/o aborted */
 119: #define DDNIOCERR   0321    /* program error */
 120: #define DDNIOCOVR   0363    /* overrun error */
 121: #define DDNIOCUBE   0374    /* non-existant memory or unibus error */
 122: 
 123: /* UMR protocol transfer grant code definitions */
 124: 
 125: #define DDNXEVN     1   /* start with even address */
 126: #define DDNXODD     2   /* start with odd address */
 127: #define DDNNUMR     4   /* non-UMR transfer */
 128: #define DDNXABT     8   /* abort transfer */

Defined struct's

Defined macros