4.3BSD - /usr/src/sys/vaxuba/tmscpreg.h

   1: /* @(#)tmscpreg.h	7.1 (Berkeley) 6/5/86 */
   2: 
   3: /*	@(#)tmscpreg.h	1.1	11/2/84	84/09/25	*/
   4: 
   5: /****************************************************************
   6:  *								*
   7:  *        Licensed from Digital Equipment Corporation 		*
   8:  *                       Copyright (c) 				*
   9:  *               Digital Equipment Corporation			*
  10:  *                   Maynard, Massachusetts 			*
  11:  *                         1985, 1986 				*
  12:  *                    All rights reserved. 			*
  13:  *								*
  14:  *        The Information in this software is subject to change *
  15:  *   without notice and should not be construed as a commitment *
  16:  *   by  Digital  Equipment  Corporation.   Digital   makes  no *
  17:  *   representations about the suitability of this software for *
  18:  *   any purpose.  It is supplied "As Is" without expressed  or *
  19:  *   implied  warranty. 					*
  20:  *								*
  21:  *        If the Regents of the University of California or its *
  22:  *   licensees modify the software in a manner creating  	*
  23:  *   diriviative copyright rights, appropriate copyright  	*
  24:  *   legends may be placed on  the drivative work in addition   *
  25:  *   to that set forth above. 					*
  26:  *								*
  27:  ****************************************************************/
  28: /*
  29:  * TMSCP registers and structures
  30:  */
  31: 
  32: struct tmscpdevice {
  33:     short   tmscpip;    /* initialization and polling */
  34:     short   tmscpsa;    /* status and address */
  35: };
  36: 
  37: #define TMSCP_ERR       0100000 /* error bit */
  38: #define TMSCP_STEP4 0040000 /* step 4 has started */
  39: #define TMSCP_STEP3 0020000 /* step 3 has started */
  40: #define TMSCP_STEP2 0010000 /* step 2 has started */
  41: #define TMSCP_STEP1 0004000 /* step 1 has started */
  42: #define TMSCP_NV        0002000 /* no host settable interrupt vector */
  43: #define TMSCP_QB        0001000 /* controller supports Q22 bus */
  44: #define TMSCP_DI        0000400 /* controller implements diagnostics */
  45: #define TMSCP_OD        0000200 /* port allows odd host addr's in the buffer descriptor */
  46: #define TMSCP_IE        0000200 /* interrupt enable */
  47: #define TMSCP_MP        0000100 /* port supports address mapping */
  48: #define TMSCP_LF        0000002 /* host requests last fail response packet */
  49: #define TMSCP_PI        0000001 /* host requests adapter purge interrupts */
  50: #define TMSCP_GO        0000001 /* start operation, after init */
  51: 
  52: 
  53: /*
  54:  * TMSCP Communications Area
  55:  */
  56: 
  57: struct tmscpca {
  58:     short   ca_xxx1;    /* unused */
  59:     char    ca_xxx2;    /* unused */
  60:     char    ca_bdp;     /* BDP to purge */
  61:     short   ca_cmdint;  /* command queue transition interrupt flag */
  62:     short   ca_rspint;  /* response queue transition interrupt flag */
  63:     long    ca_rspdsc[NRSP];/* response descriptors */
  64:     long    ca_cmddsc[NCMD];/* command descriptors */
  65: };
  66: 
  67: #define ca_ringbase ca_rspdsc[0]
  68: 
  69: #define TMSCP_OWN   0x80000000  /* port owns this descriptor (else host
  70:  owns it) */
  71: #define TMSCP_INT   0x40000000  /* allow interrupt on ring transition */
  72: 
  73: #define TMSCP_MAP   0x80000000  /* modifier for mapped buffer descriptors */
  74: 
  75: /*
  76:  * TMSCP packet info (same as MSCP)
  77:  */
  78: struct mscp_header {
  79:     short   tmscp_msglen;   /* length of MSCP packet */
  80:     char    tmscp_credits;  /* low 4 bits: credits, high 4 bits: msgtype */
  81:     char    tmscp_vcid; /* virtual circuit id (connection id) */
  82: };

Defined struct's

Defined macros

Usage of this include