[apple/xnu.git] / bsd / dev / i386 / sysctl.c

/*
 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#include <string.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <i386/cpuid.h>

static int
hw_cpu_sysctl SYSCTL_HANDLER_ARGS
{
    __unused struct sysctl_oid *unused_oidp = oidp;
    i386_cpu_info_t *cpu_info = cpuid_info();
    void *ptr = (uint8_t *)cpu_info + (uint32_t)arg1;
    int value;

    if (arg2 == -1) {
        ptr = *(char **)ptr;
        arg2 = 0;
    }

    if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
        return ENOENT;
    }

    if (arg2 == sizeof(uint8_t)) {
	value = (uint32_t) *(uint8_t *)ptr;
	ptr = &value;
	arg2 = sizeof(uint32_t);
    }
    return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
}

static int
hw_cpu_features SYSCTL_HANDLER_ARGS
{
    __unused struct sysctl_oid *unused_oidp = oidp;
    __unused void *unused_arg1 = arg1;
    __unused int unused_arg2 = arg2; 
    char buf[256];

    buf[0] = '\0';
    cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));

    return SYSCTL_OUT(req, buf, strlen(buf) + 1);
}

static int
hw_cpu_extfeatures SYSCTL_HANDLER_ARGS
{
    __unused struct sysctl_oid *unused_oidp = oidp;
    __unused void *unused_arg1 = arg1;
    __unused int unused_arg2 = arg2; 
    char buf[256];

    buf[0] = '\0';
    cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));

    return SYSCTL_OUT(req, buf, strlen(buf) + 1);
}

SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW, 0,
	"CPU info");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
	    hw_cpu_sysctl, "A", "CPU vendor");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
	    hw_cpu_sysctl, "A", "CPU brand string");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, model_string, CTLTYPE_STRING | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_model_string), -1,
	    hw_cpu_sysctl, "A", "CPU model string");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU family");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU model");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU extended model");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU extended family");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU stepping");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
	    hw_cpu_sysctl, "I", "CPU features");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
	    hw_cpu_sysctl, "I", "CPU extended features");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
	    hw_cpu_sysctl, "I", "CPU signature");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
	    hw_cpu_sysctl, "I", "CPU brand");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD, 
	    0, 0,
	    hw_cpu_features, "A", "CPU feature names");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD, 
	    0, 0,
	    hw_cpu_extfeatures, "A", "CPU extended feature names");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
	    CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_logical_per_package),
	    sizeof(uint32_t),
	    hw_cpu_sysctl, "I", "CPU logical cpus per package");

SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
	    CTLTYPE_INT | CTLFLAG_RD, 
	    (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
	    sizeof(uint32_t),
	    hw_cpu_sysctl, "I", "CPU cores per package");


struct sysctl_oid *machdep_sysctl_list[] =
{
    &sysctl__machdep_cpu,
    &sysctl__machdep_cpu_vendor,
    &sysctl__machdep_cpu_brand_string,
    &sysctl__machdep_cpu_model_string,
    &sysctl__machdep_cpu_family,
    &sysctl__machdep_cpu_model,
    &sysctl__machdep_cpu_extmodel,
    &sysctl__machdep_cpu_extfamily,
    &sysctl__machdep_cpu_feature_bits,
    &sysctl__machdep_cpu_extfeature_bits,
    &sysctl__machdep_cpu_stepping,
    &sysctl__machdep_cpu_signature,
    &sysctl__machdep_cpu_brand,
    &sysctl__machdep_cpu_features,
    &sysctl__machdep_cpu_extfeatures,
    &sysctl__machdep_cpu_logical_per_package,
    &sysctl__machdep_cpu_cores_per_package,
    (struct sysctl_oid *) 0
};
Commit	Line	Data
55e303ae	1	/*
5d5c5d0d A	2	* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
55e303ae	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
55e303ae A	27	*/
55e303ae A	28
91447636	29	#include <string.h>
55e303ae A	30	#include <sys/param.h>
	31	#include <sys/kernel.h>
	32	#include <sys/sysctl.h>
	33	#include <i386/cpuid.h>
	34
	35	static int
	36	hw_cpu_sysctl SYSCTL_HANDLER_ARGS
	37	{
91447636 A	38	__unused struct sysctl_oid *unused_oidp = oidp;
	39	i386_cpu_info_t *cpu_info = cpuid_info();
	40	void ptr = (uint8_t )cpu_info + (uint32_t)arg1;
55e303ae A	41	int value;
55e303ae A	42
91447636 A	43	if (arg2 == -1) {
	44	ptr = (char *)ptr;
	45	arg2 = 0;
	46	}
	47
	48	if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
	49	return ENOENT;
	50	}
55e303ae A	51
	52	if (arg2 == sizeof(uint8_t)) {
	53	value = (uint32_t) (uint8_t )ptr;
	54	ptr = &value;
	55	arg2 = sizeof(uint32_t);
	56	}
91447636	57	return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
55e303ae A	58	}
	59
	60	static int
	61	hw_cpu_features SYSCTL_HANDLER_ARGS
	62	{
91447636 A	63	__unused struct sysctl_oid *unused_oidp = oidp;
	64	__unused void *unused_arg1 = arg1;
	65	__unused int unused_arg2 = arg2;
55e303ae	66	char buf[256];
55e303ae	67
55e303ae	68	buf[0] = '\0';
91447636	69	cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
55e303ae A	70
	71	return SYSCTL_OUT(req, buf, strlen(buf) + 1);
	72	}
	73
89b3af67 A	74	static int
	75	hw_cpu_extfeatures SYSCTL_HANDLER_ARGS
	76	{
	77	__unused struct sysctl_oid *unused_oidp = oidp;
	78	__unused void *unused_arg1 = arg1;
	79	__unused int unused_arg2 = arg2;
	80	char buf[256];
	81
	82	buf[0] = '\0';
	83	cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
	84
	85	return SYSCTL_OUT(req, buf, strlen(buf) + 1);
	86	}
	87
55e303ae A	88	SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW, 0,
	89	"CPU info");
	90
	91	SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING \| CTLFLAG_RD,
	92	(void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
	93	hw_cpu_sysctl, "A", "CPU vendor");
	94
	95	SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING \| CTLFLAG_RD,
	96	(void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
	97	hw_cpu_sysctl, "A", "CPU brand string");
	98
91447636 A	99	SYSCTL_PROC(_machdep_cpu, OID_AUTO, model_string, CTLTYPE_STRING \| CTLFLAG_RD,
	100	(void *)offsetof(i386_cpu_info_t, cpuid_model_string), -1,
	101	hw_cpu_sysctl, "A", "CPU model string");
	102
55e303ae A	103	SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT \| CTLFLAG_RD,
	104	(void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
	105	hw_cpu_sysctl, "I", "CPU family");
	106
	107	SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT \| CTLFLAG_RD,
	108	(void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
	109	hw_cpu_sysctl, "I", "CPU model");
	110
	111	SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT \| CTLFLAG_RD,
	112	(void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
	113	hw_cpu_sysctl, "I", "CPU extended model");
	114
	115	SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT \| CTLFLAG_RD,
	116	(void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
	117	hw_cpu_sysctl, "I", "CPU extended family");
	118
	119	SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT \| CTLFLAG_RD,
	120	(void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
	121	hw_cpu_sysctl, "I", "CPU stepping");
	122
89b3af67 A	123	SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD \| CTLFLAG_RD,
89b3af67 A	124	(void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
55e303ae A	125	hw_cpu_sysctl, "I", "CPU features");
55e303ae A	126
89b3af67 A	127	SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD \| CTLFLAG_RD,
	128	(void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
	129	hw_cpu_sysctl, "I", "CPU extended features");
	130
55e303ae A	131	SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT \| CTLFLAG_RD,
	132	(void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
	133	hw_cpu_sysctl, "I", "CPU signature");
	134
	135	SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT \| CTLFLAG_RD,
	136	(void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
	137	hw_cpu_sysctl, "I", "CPU brand");
	138
55e303ae A	139	SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING \| CTLFLAG_RD,
	140	0, 0,
	141	hw_cpu_features, "A", "CPU feature names");
	142
89b3af67 A	143	SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING \| CTLFLAG_RD,
	144	0, 0,
	145	hw_cpu_extfeatures, "A", "CPU extended feature names");
	146
	147	SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
	148	CTLTYPE_INT \| CTLFLAG_RD,
	149	(void *)offsetof(i386_cpu_info_t, cpuid_logical_per_package),
	150	sizeof(uint32_t),
	151	hw_cpu_sysctl, "I", "CPU logical cpus per package");
	152
	153	SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
	154	CTLTYPE_INT \| CTLFLAG_RD,
	155	(void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
	156	sizeof(uint32_t),
	157	hw_cpu_sysctl, "I", "CPU cores per package");
	158
55e303ae A	159
	160	struct sysctl_oid *machdep_sysctl_list[] =
	161	{
	162	&sysctl__machdep_cpu,
	163	&sysctl__machdep_cpu_vendor,
	164	&sysctl__machdep_cpu_brand_string,
91447636	165	&sysctl__machdep_cpu_model_string,
55e303ae A	166	&sysctl__machdep_cpu_family,
	167	&sysctl__machdep_cpu_model,
	168	&sysctl__machdep_cpu_extmodel,
	169	&sysctl__machdep_cpu_extfamily,
	170	&sysctl__machdep_cpu_feature_bits,
89b3af67	171	&sysctl__machdep_cpu_extfeature_bits,
55e303ae A	172	&sysctl__machdep_cpu_stepping,
	173	&sysctl__machdep_cpu_signature,
	174	&sysctl__machdep_cpu_brand,
	175	&sysctl__machdep_cpu_features,
89b3af67 A	176	&sysctl__machdep_cpu_extfeatures,
	177	&sysctl__machdep_cpu_logical_per_package,
	178	&sysctl__machdep_cpu_cores_per_package,
55e303ae A	179	(struct sysctl_oid *) 0
	180	};
	181