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      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	"@(#)cpuid_drv.h	1.2	05/06/08 SMI"
     31 
     32 #include <sys/types.h>
     33 
     34 #ifdef __cplusplus
     35 extern "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 
     67 struct 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 
     76 struct 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