1/* $NetBSD: cpuio.h,v 1.9 2013/01/05 16:36:38 dsl Exp $ */
2
3/*-
4 * Copyright (c) 2007, 2009, 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#if !defined(_SYS_CPUIO_H_)
33#define _SYS_CPUIO_H_
34
35#include <sys/types.h>
36#include <sys/time.h>
37#include <sys/ioccom.h>
38
39#ifndef _KERNEL
40#include <limits.h>
41#include <stdbool.h>
42#endif
43
44/*
45 * This is not a great place to describe CPU properties, those
46 * are better returned via autoconf.
47 */
48typedef struct cpustate {
49 u_int cs_id; /* matching ci_cpuid */
50 bool cs_online; /* running unbound LWPs */
51 bool cs_intr; /* fielding interrupts */
52 bool cs_unused[2]; /* reserved */
53 int32_t cs_lastmod; /* time of last state change */
54 char cs_name[16]; /* reserved */
55 int32_t cs_lastmodhi; /* time of last state change */
56 uint32_t cs_intrcnt; /* count of interrupt handlers + 1 */
57 uint32_t cs_hwid; /* hardware id */
58 uint32_t cs_reserved; /* reserved */
59} cpustate_t;
60
61#define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t)
62#define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t)
63#define IOC_CPU_GETCOUNT _IOR('c', 2, int)
64#define IOC_CPU_MAPID _IOWR('c', 3, int)
65/* 4 and 5 reserved for compat nb6 x86 amd ucode loader */
66
67struct cpu_ucode_version {
68 int loader_version; /* IN: md version number */
69 void *data; /* OUT: CPU ID data */
70};
71
72#define IOC_CPU_UCODE_GET_VERSION _IOWR('c', 6, struct cpu_ucode_version)
73
74#ifdef __i386__
75/* In order to read the info from an amd64 kernel we need ... */
76struct cpu_ucode_version_64 {
77 int loader_version; /* IN: md version number */
78 int pad1;
79 void *data; /* OUT: CPU ID data */
80 int must_be_zero;
81};
82#define IOC_CPU_UCODE_GET_VERSION_64 _IOWR('c', 6, struct cpu_ucode_version_64)
83#endif
84
85struct cpu_ucode {
86 int loader_version; /* md version number */
87 int cpu_nr; /* CPU index or special value below */
88#define CPU_UCODE_ALL_CPUS (-1)
89#define CPU_UCODE_CURRENT_CPU (-2)
90 char fwname[PATH_MAX];
91};
92
93#define IOC_CPU_UCODE_APPLY _IOW('c', 7, struct cpu_ucode)
94
95#endif /* !_SYS_CPUIO_H_ */
96