xref: /onnv-gate/usr/src/uts/sun4u/starfire/sys/cvc.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _CVC_H
28*0Sstevel@tonic-gate #define	_CVC_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef __cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #define	cvc_username		"ssp"
37*0Sstevel@tonic-gate #define	CVCD_SERVICE		"cvc_hostd"
38*0Sstevel@tonic-gate #define	CVC_CONN_SERVICE	"cvc"
39*0Sstevel@tonic-gate #define	MAX_CVC_CONN		100
40*0Sstevel@tonic-gate #define	MAXPKTSZ		4096
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define	TRUE			1
43*0Sstevel@tonic-gate #define	FALSE			0
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate /*
46*0Sstevel@tonic-gate  * Network Redirection driver ioctl to jump into debugger.
47*0Sstevel@tonic-gate  */
48*0Sstevel@tonic-gate #define	CVC	'N'
49*0Sstevel@tonic-gate #define	CVC_BREAK	(CVC<<8)
50*0Sstevel@tonic-gate #define	CVC_DISCONNECT	((CVC<<8)|0x1)
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate #define	CVC_CONN_BREAK		0x1	/* Break to OBP or kmdb */
53*0Sstevel@tonic-gate #define	CVC_CONN_DIS		0x2	/* disconnect */
54*0Sstevel@tonic-gate #define	CVC_CONN_STAT		0x4	/* status of CVC connects */
55*0Sstevel@tonic-gate #define	CVC_CONN_WRITE		0x8	/* ask write permission */
56*0Sstevel@tonic-gate #define	CVC_CONN_RELW		0x10    /* release write permission */
57*0Sstevel@tonic-gate #define	CVC_CONN_WRLK		0x20    /* Lock the Write */
58*0Sstevel@tonic-gate #define	CVC_CONN_PRIVATE	0x40    /* Only one session is allowed */
59*0Sstevel@tonic-gate #define	CVC_CONN_SWITCH		0x41	/* Switch communication path */
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate #define	TCP_DEV		"/dev/tcp"
63*0Sstevel@tonic-gate #define	CVCREDIR_DEV	"/devices/pseudo/cvcredir@0:cvcredir"
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate /*
66*0Sstevel@tonic-gate  * Layout of BBSRAM input and output buffers:
67*0Sstevel@tonic-gate  *
68*0Sstevel@tonic-gate  *
69*0Sstevel@tonic-gate  *         |---------------|
70*0Sstevel@tonic-gate  * 0x1f400 | control msg   |  Receive buffer is reduced by two bytes to
71*0Sstevel@tonic-gate  *         |    1 byte     |  accomodate a control msg area in which
72*0Sstevel@tonic-gate  *         |---------------|  information is sent from obp_helper to the
73*0Sstevel@tonic-gate  *         |  send buffer  |  cvc driver (e.g. break to obp) when
74*0Sstevel@tonic-gate  *         |               |  communication is over BBSRAM.
75*0Sstevel@tonic-gate  *         |  1020 bytes   |
76*0Sstevel@tonic-gate  *         |---------------|
77*0Sstevel@tonic-gate  *         | send  count   |
78*0Sstevel@tonic-gate  * 0x1f7fe |  2 bytes      |
79*0Sstevel@tonic-gate  *         |---------------|
80*0Sstevel@tonic-gate  *         | receive buffer|
81*0Sstevel@tonic-gate  *         |               |
82*0Sstevel@tonic-gate  *         | 1022 bytes    |
83*0Sstevel@tonic-gate  *         |---------------|
84*0Sstevel@tonic-gate  *         | output count  |
85*0Sstevel@tonic-gate  * 0x1fbfe |  2 bytes      |
86*0Sstevel@tonic-gate  *         |---------------|
87*0Sstevel@tonic-gate  *
88*0Sstevel@tonic-gate  */
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate #define	BBSRAM_COUNT_SIZE	sizeof (short)
91*0Sstevel@tonic-gate #define	CVC_IN_SIZE		256
92*0Sstevel@tonic-gate #define	CVC_OUT_SIZE		1024
93*0Sstevel@tonic-gate #define	MAX_XFER_INPUT		(CVC_IN_SIZE - BBSRAM_COUNT_SIZE)
94*0Sstevel@tonic-gate #define	MAX_XFER_OUTPUT		(CVC_OUT_SIZE - BBSRAM_COUNT_SIZE)
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate #define	BBSRAM_OUTPUT_COUNT_OFF (CVC_OUT_SIZE - BBSRAM_COUNT_SIZE)
97*0Sstevel@tonic-gate #define	BBSRAM_INPUT_COUNT_OFF  (CVC_OUT_SIZE + CVC_IN_SIZE - BBSRAM_COUNT_SIZE)
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate /*
100*0Sstevel@tonic-gate  * Control msgs sent across BBSRAM from obp_helper to cvc driver
101*0Sstevel@tonic-gate  */
102*0Sstevel@tonic-gate #define	CVC_BBSRAM_BREAK	1
103*0Sstevel@tonic-gate #define	CVC_BBSRAM_DISCONNECT	2
104*0Sstevel@tonic-gate #define	CVC_BBSRAM_VIA_NET	3
105*0Sstevel@tonic-gate #define	CVC_BBSRAM_VIA_BBSRAM	4
106*0Sstevel@tonic-gate #define	CVC_BBSRAM_CLOSE_NET	5
107*0Sstevel@tonic-gate 
108*0Sstevel@tonic-gate #ifdef _KERNEL
109*0Sstevel@tonic-gate extern void	cvc_assign_iocpu(int cpu_id);
110*0Sstevel@tonic-gate #endif /* _KERNEL */
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate #ifdef	__cplusplus
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate #endif
115*0Sstevel@tonic-gate 
116*0Sstevel@tonic-gate #endif	/* _CVC_H */
117