acpi/pstate: Fix the long standing P-State detection problem on Intel CPUs
[dragonfly.git] / sys / dev / acpica5 / acpi_cpu.h
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1/*-
2 * Copyright (c) 2003-2005 Nate Lawson (SDG)
3 * Copyright (c) 2001 Michael Smith
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/sys/dev/acpica/acpi_cpu.c,v 1.72 2008/04/12 12:06:00 rpaulo Exp $
28 */
29
30#ifndef __ACPI_CPU_H__
31#define __ACPI_CPU_H__
32
33struct acpi_cpux_softc {
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34 device_t cpux_cst;
35 void (*cpux_cst_notify)(device_t);
36
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37 int cpux_next_rid;
38
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39 struct sysctl_ctx_list glob_sysctl_ctx;
40 struct sysctl_oid *glob_sysctl_tree; /* hw.acpi.cpu */
41
42 struct sysctl_ctx_list pcpu_sysctl_ctx;
43 struct sysctl_oid *pcpu_sysctl_tree; /* hw.acpi.cpuX */
44};
45
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46uint32_t acpi_cpu_md_features(void);
47
cc6e2b6e 48#endif /* !__ACPI_CPU_H__ */