76 lines
3.1 KiB
C
76 lines
3.1 KiB
C
/* $NetBSD: cca.h,v 1.3 2017/05/22 17:12:11 ragge Exp $ */
|
|
|
|
/*
|
|
* 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];
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct cca *cca;
|
|
#endif
|