xref: /titanic_41/usr/src/uts/sun4u/sunfire/sys/environ.h (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_ENVIRON_H
28 #define	_SYS_ENVIRON_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /* useful debugging stuff */
37 #define	ENVIRON_ATTACH_DEBUG	0x1
38 #define	ENVIRON_INTERRUPT_DEBUG	0x2
39 #define	ENVIRON_REGISTERS_DEBUG	0x4
40 
41 /*
42  * OBP supplies us with 1 register set for the environment node
43  *
44  * It is:
45  * 	0	Temperature register
46  */
47 
48 #if defined(_KERNEL)
49 
50 /* Structures used in the driver to manage the hardware */
51 struct environ_soft_state {
52 	dev_info_t *dip;		/* dev info of myself */
53 	dev_info_t *pdip;		/* dev info of parent */
54 	struct environ_soft_state *next;
55 	int board;			/* Board number for this FHC */
56 	volatile uchar_t *temp_reg;	/* VA of temperature register */
57 	struct temp_stats tempstat;	/* in memory storage of temperature */
58 	kstat_t *environ_ksp;		/* kstat pointer for temperature */
59 	kstat_t *environ_oksp;		/* kstat pointer for temp override */
60 };
61 
62 #endif /* _KERNEL */
63 
64 #ifdef	__cplusplus
65 }
66 #endif
67 
68 #endif	/* _SYS_ENVIRON_H */
69