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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2019 Joyent, Inc.
*/
#ifndef _SYS_CPUID_DRV_H
#define _SYS_CPUID_DRV_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* /dev names:
* /dev/cpu/ - containing directory
* self/ - describes current cpu
* cpuid - cpu identification
*/
#define CPUID_DRIVER_NAME "cpuid"
#define CPUID_DRIVER_SELF_NODE "self"
#define CPUID_DIR_NAME "cpu"
#define CPUID_SELF_DIR_NAME "self"
#define CPUID_NAME "cpuid"
#define CPUID_SELF_NAME \
CPUID_DIR_NAME "/" CPUID_SELF_DIR_NAME "/" CPUID_NAME
/*
* This minor number corresponds to the cpu we're running on at
* the time we invoke its interfaces.
*/
#define CPUID_SELF_CPUID_MINOR ((minor_t)0x3fffful)
/*
* ioctl numbers: not an exported interface
*/
#define CPUID_IOC (('c'<<24)|('i'<<16)|('d'<<8))
#define CPUID_GET_HWCAP (CPUID_IOC|0)
#define CPUID_RDMSR (CPUID_IOC|1)
struct cpuid_get_hwcap {
char *cgh_archname;
uint_t cgh_hwcap[2];
};
struct cpuid_rdmsr {
uint64_t cr_msr_nr;
uint64_t cr_msr_val;
};
#if defined(_SYSCALL32_IMPL)
#include <sys/types32.h>
struct cpuid_get_hwcap32 {
caddr32_t cgh_archname;
uint32_t cgh_hwcap[2];
};
#endif /* _SYSCALL32_IMPL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CPUID_DRV_H */
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