121 lines
4.9 KiB
C
121 lines
4.9 KiB
C
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/* $NetBSD: tmscpreg.h,v 1.1 1995/02/23 17:53:19 ragge Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)tmscpreg.h 7.2 (Berkeley) 5/9/91
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*/
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/* @(#)tmscpreg.h 1.1 11/2/84 84/09/25 */
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/****************************************************************
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* *
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* Licensed from Digital Equipment Corporation *
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* Copyright (c) *
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* Digital Equipment Corporation *
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* Maynard, Massachusetts *
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* 1985, 1986 *
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* All rights reserved. *
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* *
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* The Information in this software is subject to change *
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* without notice and should not be construed as a commitment *
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* by Digital Equipment Corporation. Digital makes no *
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* representations about the suitability of this software for *
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* any purpose. It is supplied "As Is" without expressed or *
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* implied warranty. *
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* *
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* If the Regents of the University of California or its *
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* licensees modify the software in a manner creating *
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* diriviative copyright rights, appropriate copyright *
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* legends may be placed on the drivative work in addition *
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* to that set forth above. *
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* *
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****************************************************************/
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/*
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* TMSCP registers and structures
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*/
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#ifndef _UBA_TMSCPREG_
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#define _UBA_TMSCPREG_
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struct tmscpdevice {
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short tmscpip; /* initialization and polling */
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short tmscpsa; /* status and address */
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};
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#define TMSCP_ERR 0100000 /* error bit */
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#define TMSCP_STEP4 0040000 /* step 4 has started */
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#define TMSCP_STEP3 0020000 /* step 3 has started */
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#define TMSCP_STEP2 0010000 /* step 2 has started */
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#define TMSCP_STEP1 0004000 /* step 1 has started */
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#define TMSCP_NV 0002000 /* no host settable interrupt vector */
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#define TMSCP_QB 0001000 /* controller supports Q22 bus */
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#define TMSCP_DI 0000400 /* controller implements diagnostics */
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#define TMSCP_OD 0000200 /* port allows odd host addr's in the buffer descriptor */
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#define TMSCP_IE 0000200 /* interrupt enable */
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#define TMSCP_MP 0000100 /* port supports address mapping */
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#define TMSCP_LF 0000002 /* host requests last fail response packet */
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#define TMSCP_PI 0000001 /* host requests adapter purge interrupts */
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#define TMSCP_GO 0000001 /* start operation, after init */
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/*
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* TMSCP Communications Area
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*/
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struct tmscpca {
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short ca_xxx1; /* unused */
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char ca_xxx2; /* unused */
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char ca_bdp; /* BDP to purge */
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short ca_cmdint; /* command queue transition interrupt flag */
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short ca_rspint; /* response queue transition interrupt flag */
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long ca_rspdsc[NRSP];/* response descriptors */
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long ca_cmddsc[NCMD];/* command descriptors */
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};
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#define ca_ringbase ca_rspdsc[0]
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#define TMSCP_OWN 0x80000000 /* port owns this descriptor (else host
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owns it) */
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#define TMSCP_INT 0x40000000 /* allow interrupt on ring transition */
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#define TMSCP_MAP 0x80000000 /* modifier for mapped buffer descriptors */
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/*
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* TMSCP packet info (same as MSCP)
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*/
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struct mscp_header {
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short tmscp_msglen; /* length of MSCP packet */
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char tmscp_credits; /* low 4 bits: credits, high 4 bits: msgtype */
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char tmscp_vcid; /* virtual circuit id (connection id) */
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};
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#endif
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