From 5c50116697e6e845c348b11805cb3761d38ebe0e Mon Sep 17 00:00:00 2001
From: ragge <ragge@NetBSD.org>
Date: Thu, 6 Jul 2000 17:34:29 +0000
Subject: [PATCH] Console Communication Area (CCA) layout description. Used on
 for example VAX 6000 machines.

---
 sys/arch/vax/include/cca.h | 81 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 sys/arch/vax/include/cca.h

diff --git a/sys/arch/vax/include/cca.h b/sys/arch/vax/include/cca.h
new file mode 100644
index 000000000000..20b4f783774c
--- /dev/null
+++ b/sys/arch/vax/include/cca.h
@@ -0,0 +1,81 @@
+/*	$NetBSD: cca.h,v 1.1 2000/07/06 17:34:29 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.
+ * 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.
+ * 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 */
+	short 	cca_size;	/* Size of this struct */
+	short	cca_id;		/* 'CC' */
+	char	cca_maxcpu;	/* max number of CPUs */
+	char	cca_cksum;	/* Checksum of all earlier bytes */
+	char	cca_flags;
+	char	cca_revision;
+
+	u_int64_t cca_ready;	/* Data ready? */
+	u_int64_t cca_console;	/* Processors in console mode */
+	u_int64_t cca_enabled;	/* enabled/disabled */
+	long	cca_bitmapsz;	/* Size of memory bitmap */
+	long	cca_bitmap;	/* Address of memory bitmap */
+	long	cca_bmcksum;	/* Bitmap checksum */
+	long	cca_bootdev;	/* Node numbers */
+	u_int64_t cca_starting;	/* Processors currently starting */
+	u_int64_t cca_restart;	/* Processors currently restarting */
+	long	cca_pad1[3];
+	u_int64_t cca_halted;	/* Processors currently halted bny user */
+	char	cca_sernum[8];	/* Serial number */
+	char	cca_revs[16][8];/* CPU revisions */
+	u_int64_t cca_vecenab;	/* Processors with enabled vector processors */
+	u_int64_t cca_vecwork;	/* Processors with working vector processors */
+	long	cca_vecrevs[16];/* Vector processor revisions */
+	char	cca_pad2[208];
+/* Inter-CPU communication structs */
+	struct {
+		char	cc_flags;	/* Status flags */
+		char	cc_to;		/* Node sending to */
+		char	cc_from;	/* Node sending from */
+		char	cc_pad;
+		char	cc_txlen;	/* Length of transmit message */
+		char	cc_rxlen;	/* Length of receive message */
+		char	cc_unbuf;
+		char	cc_txbuf[80];	/* Transmit buffer */
+		char	cc_rxbuf[80];	/* Receive buffer */
+	} cca_cc[64];
+};
+
+#ifdef _KERNEL
+extern	struct cca *cca;
+#endif