xref: /onnv-gate/usr/src/uts/common/sys/cpuid_drv.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	_SYS_CPUID_DRV_H
28*0Sstevel@tonic-gate #define	_SYS_CPUID_DRV_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #ifdef __cplusplus
35*0Sstevel@tonic-gate extern "C" {
36*0Sstevel@tonic-gate #endif
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * /dev names:
40*0Sstevel@tonic-gate  *	/dev/cpu/			- containing directory
41*0Sstevel@tonic-gate  *		self/			- describes current cpu
42*0Sstevel@tonic-gate  *			cpuid		- cpu identification
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #define	CPUID_DRIVER_NAME	"cpuid"
46*0Sstevel@tonic-gate #define	CPUID_DRIVER_SELF_NODE	"self"
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate #define	CPUID_DIR_NAME		"cpu"
49*0Sstevel@tonic-gate #define	CPUID_SELF_DIR_NAME	"self"
50*0Sstevel@tonic-gate #define	CPUID_NAME		"cpuid"
51*0Sstevel@tonic-gate #define	CPUID_SELF_NAME		\
52*0Sstevel@tonic-gate 	CPUID_DIR_NAME "/" CPUID_SELF_DIR_NAME "/" CPUID_NAME
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate /*
55*0Sstevel@tonic-gate  * This minor number corresponds to the cpu we're running on at
56*0Sstevel@tonic-gate  * the time we invoke its interfaces.
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate #define	CPUID_SELF_CPUID_MINOR	((minor_t)0x3fffful)
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate  * ioctl numbers: not an exported interface
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate #define	CPUID_IOC		(('c'<<24)|('i'<<16)|('d'<<8))
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate #define	CPUID_GET_HWCAP		(CPUID_IOC|0)
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate struct cpuid_get_hwcap {
68*0Sstevel@tonic-gate 	char *cgh_archname;
69*0Sstevel@tonic-gate 	uint_t cgh_hwcap;
70*0Sstevel@tonic-gate };
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate #if defined(_SYSCALL32_IMPL)
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate #include <sys/types32.h>
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate struct cpuid_get_hwcap32 {
77*0Sstevel@tonic-gate 	caddr32_t cgh_archname;
78*0Sstevel@tonic-gate 	uint32_t cgh_hwcap;
79*0Sstevel@tonic-gate };
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate #endif	/* _SYSCALL32_IMPL */
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #ifdef __cplusplus
84*0Sstevel@tonic-gate }
85*0Sstevel@tonic-gate #endif
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #endif	/* _SYS_CPUID_DRV_H */
88