/*
* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Console Communication Area (CCA) layout description.
* OBS! This is incomplete and should be filled out if someone
* find docs for it.
*/
struct cca {
struct cca *cca_base; /* Physical base address of block */
uint16_t cca_size; /* Size of this struct */
uint16_t cca_id; /* 'CC' */
uint8_t cca_maxcpu; /* max number of CPUs */
uint8_t cca_cksum; /* Checksum of all earlier bytes */
uint8_t cca_flags;
uint8_t cca_revision;
uint64_t cca_ready; /* Data ready? */
uint64_t cca_console; /* Processors in console mode */
uint64_t cca_enabled; /* enabled/disabled */
uint32_t cca_bitmapsz; /* Size of memory bitmap */
uint32_t cca_bitmap; /* Address of memory bitmap */
uint32_t cca_bmcksum; /* Bitmap checksum */
uint32_t cca_bootdev; /* Node numbers */
uint64_t cca_starting; /* Processors currently starting */
uint64_t cca_restart; /* Processors currently restarting */
uint32_t cca_pad1[3];
uint64_t cca_halted; /* Processors currently halted bny user */
uint8_t cca_sernum[8]; /* Serial number */
uint8_t cca_revs[16][8];/* CPU revisions */
uint64_t cca_vecenab; /* Processors with enabled vector processors */
uint64_t cca_vecwork; /* Processors with working vector processors */
uint32_t cca_vecrevs[16];/* Vector processor revisions */
uint8_t cca_pad2[208];
/* Inter-CPU communication structs */
struct {
uint8_t cc_flags; /* Status flags */
uint8_t cc_to; /* Node sending to */
uint8_t cc_from; /* Node sending from */
uint8_t cc_pad;
uint8_t cc_txlen; /* Length of transmit message */
uint8_t cc_rxlen; /* Length of receive message */
uint8_t cc_unbuf;
char cc_txbuf[80]; /* Transmit buffer */
char cc_rxbuf[80]; /* Receive buffer */
} cca_cc[64];
};
