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- /*-
- * 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
- */
-
- 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) */
- };
-