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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_SYS_CPUID_DRV_H
28#define	_SYS_CPUID_DRV_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include <sys/types.h>
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38/*
39 * /dev names:
40 *	/dev/cpu/			- containing directory
41 *		self/			- describes current cpu
42 *			cpuid		- cpu identification
43 */
44
45#define	CPUID_DRIVER_NAME	"cpuid"
46#define	CPUID_DRIVER_SELF_NODE	"self"
47
48#define	CPUID_DIR_NAME		"cpu"
49#define	CPUID_SELF_DIR_NAME	"self"
50#define	CPUID_NAME		"cpuid"
51#define	CPUID_SELF_NAME		\
52	CPUID_DIR_NAME "/" CPUID_SELF_DIR_NAME "/" CPUID_NAME
53
54/*
55 * This minor number corresponds to the cpu we're running on at
56 * the time we invoke its interfaces.
57 */
58#define	CPUID_SELF_CPUID_MINOR	((minor_t)0x3fffful)
59
60/*
61 * ioctl numbers: not an exported interface
62 */
63#define	CPUID_IOC		(('c'<<24)|('i'<<16)|('d'<<8))
64
65#define	CPUID_GET_HWCAP		(CPUID_IOC|0)
66
67struct cpuid_get_hwcap {
68	char *cgh_archname;
69	uint_t cgh_hwcap;
70};
71
72#if defined(_SYSCALL32_IMPL)
73
74#include <sys/types32.h>
75
76struct cpuid_get_hwcap32 {
77	caddr32_t cgh_archname;
78	uint32_t cgh_hwcap;
79};
80
81#endif	/* _SYSCALL32_IMPL */
82
83#ifdef __cplusplus
84}
85#endif
86
87#endif	/* _SYS_CPUID_DRV_H */
88