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/* $OpenBSD: cca.h,v 1.1 2008/08/18 23:25:53 miod Exp $ */
/* $NetBSD: cca.h,v 1.2 2008/03/11 05:34:02 matt Exp $ */
/*
* Copyright (c) 2008 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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.
*
* Based on NetBSD/vax <machine/cca.h>, further reconstructed from the
* description in VAX 6000 Model 600 System Technical User's Guide
* (660eatm1.pdf)
*/
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_nproc; /* max number of CPUs */
uint8_t cca_cksum; /* Checksum of all earlier bytes */
uint8_t cca_flags;
#define CCAF_BOOTIP 0x01 /* bootstrap in progress */
#define CCAF_REBOOT 0x10 /* reboot requested */
#define CCAF_REPROMPT 0x20 /* trigger the prom prompt */
#define CCAF_DISABLE_SECONDARY 0x40 /* ignore messages from secondaries */
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 */
uint8_t cca_tknode; /* TK nodes of boot device */
#define CCA_TKN_VAXBI_MASK 0x0f
#define CCA_TKN_VAXBI_SHIFT 0
#define CCA_TKN_XMI_MASK 0xf0
#define CCA_TKN_XMI_SHIFT 4
uint8_t cca_pad0[3];
uint64_t cca_starting; /* Processors currently starting */
uint64_t cca_restart; /* Processors currently restarting */
uint8_t cca_primary; /* XMI node of boot processor */
uint8_t cca_power;
uint16_t cca_sernum_ext;
uint32_t cca_pad1[2];
uint64_t cca_halted; /* Processors currently halted by user */
uint8_t cca_sernum[8]; /* Serial number */
/* CPU revisions */
struct {
uint8_t cr_compat; /* cpu compatibility group */
uint8_t cr_pad0[3];
uint32_t cr_modulerev; /* ascii module revision */
} cca_revs[16];
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 */
uint32_t cca_console_xpgr[16];
uint32_t cca_entry_xpgr[16];
uint8_t cca_pad2[80]; /* pad to VAX_NBPG */
/* Inter-CPU communication structs */
struct {
uint8_t cc_flags; /* Status flags */
#define CCACCF_RXRDY 0x01 /* has message in rxbuf */
#define CCACCF_DEST 0x02 /* currently sending to zdst */
#define CCACCF_SRC 0x04 /* currently receiving from zsrc */
#define CCACCF_ALT 0x08 /* unable to communicate through cca */
uint8_t cc_zdst; /* Node sending to */
uint8_t cc_zsrc; /* Node sending from */
uint8_t cc_znid; /* Originating node if not zsrc */
uint8_t cc_txlen; /* Length of transmit message */
uint8_t cc_rxlen; /* Length of receive message */
uint16_t cc_rxcd;
#define CCACC_RX_DATA_MASK 0x00ff /* character received */
#define CCACC_RX_DATA_SHIFT 0
#define CCACC_RX_NODE_MASK 0x0f00 /* originating node */
#define CCACC_RX_NODE_SHIFT 8
#define CCACC_RX_DATA_READY 0x8000 /* rxcd assembled */
char cc_txbuf[80]; /* Transmit buffer */
char cc_rxbuf[80]; /* Receive buffer */
} cca_cc[16];
};
#ifdef _KERNEL
extern struct cca *cca;
#endif
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