diff options
Diffstat (limited to 'sys/arch/vax/uba/tmscpreg.h')
| -rw-r--r-- | sys/arch/vax/uba/tmscpreg.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/sys/arch/vax/uba/tmscpreg.h b/sys/arch/vax/uba/tmscpreg.h new file mode 100644 index 00000000000..de806fcdb53 --- /dev/null +++ b/sys/arch/vax/uba/tmscpreg.h @@ -0,0 +1,120 @@ +/* $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 |