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 * Copyright (c) 2012, Joyent, Inc. All rights reserved. 28 */ 29 30 #ifndef _SYS_CPUID_DRV_H 31 #define _SYS_CPUID_DRV_H 32 33 #include <sys/types.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * /dev names: 41 * /dev/cpu/ - containing directory 42 * self/ - describes current cpu 43 * cpuid - cpu identification 44 */ 45 46 #define CPUID_DRIVER_NAME "cpuid" 47 #define CPUID_DRIVER_SELF_NODE "self" 48 49 #define CPUID_DIR_NAME "cpu" 50 #define CPUID_SELF_DIR_NAME "self" 51 #define CPUID_NAME "cpuid" 52 #define CPUID_SELF_NAME \ 53 CPUID_DIR_NAME "/" CPUID_SELF_DIR_NAME "/" CPUID_NAME 54 55 /* 56 * This minor number corresponds to the cpu we're running on at 57 * the time we invoke its interfaces. 58 */ 59 #define CPUID_SELF_CPUID_MINOR ((minor_t)0x3fffful) 60 61 /* 62 * ioctl numbers: not an exported interface 63 */ 64 #define CPUID_IOC (('c'<<24)|('i'<<16)|('d'<<8)) 65 66 #define CPUID_GET_HWCAP (CPUID_IOC|0) 67 68 struct cpuid_get_hwcap { 69 char *cgh_archname; 70 uint_t cgh_hwcap[2]; 71 }; 72 73 #if defined(_SYSCALL32_IMPL) 74 75 #include <sys/types32.h> 76 77 struct cpuid_get_hwcap32 { 78 caddr32_t cgh_archname; 79 uint32_t cgh_hwcap[2]; 80 }; 81 82 #endif /* _SYSCALL32_IMPL */ 83 84 #ifdef __cplusplus 85 } 86 #endif 87 88 #endif /* _SYS_CPUID_DRV_H */ 89