82 lines
3.4 KiB
C
82 lines
3.4 KiB
C
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/* $NetBSD: cca.h,v 1.1 2000/07/06 17:34:29 ragge Exp $ */
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/*
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* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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 at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Console Communication Area (CCA) layout description.
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* OBS! This is incomplete and should be filled out if someone
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* find docs for it.
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*/
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struct cca {
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struct cca *cca_base; /* Physical base address of block */
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short cca_size; /* Size of this struct */
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short cca_id; /* 'CC' */
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char cca_maxcpu; /* max number of CPUs */
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char cca_cksum; /* Checksum of all earlier bytes */
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char cca_flags;
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char cca_revision;
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u_int64_t cca_ready; /* Data ready? */
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u_int64_t cca_console; /* Processors in console mode */
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u_int64_t cca_enabled; /* enabled/disabled */
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long cca_bitmapsz; /* Size of memory bitmap */
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long cca_bitmap; /* Address of memory bitmap */
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long cca_bmcksum; /* Bitmap checksum */
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long cca_bootdev; /* Node numbers */
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u_int64_t cca_starting; /* Processors currently starting */
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u_int64_t cca_restart; /* Processors currently restarting */
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long cca_pad1[3];
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u_int64_t cca_halted; /* Processors currently halted bny user */
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char cca_sernum[8]; /* Serial number */
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char cca_revs[16][8];/* CPU revisions */
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u_int64_t cca_vecenab; /* Processors with enabled vector processors */
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u_int64_t cca_vecwork; /* Processors with working vector processors */
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long cca_vecrevs[16];/* Vector processor revisions */
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char cca_pad2[208];
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/* Inter-CPU communication structs */
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struct {
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char cc_flags; /* Status flags */
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char cc_to; /* Node sending to */
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char cc_from; /* Node sending from */
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char cc_pad;
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char cc_txlen; /* Length of transmit message */
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char cc_rxlen; /* Length of receive message */
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char cc_unbuf;
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char cc_txbuf[80]; /* Transmit buffer */
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char cc_rxbuf[80]; /* Receive buffer */
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} cca_cc[64];
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};
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#ifdef _KERNEL
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extern struct cca *cca;
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#endif
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