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