x86.h revision 331722
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/amd64/vmm/x86.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28
29#ifndef _X86_H_
30#define	_X86_H_
31
32#define CPUID_0000_0000 (0x0)
33#define CPUID_0000_0001	(0x1)
34#define CPUID_0000_0002 (0x2)
35#define CPUID_0000_0003 (0x3)
36#define CPUID_0000_0004 (0x4)
37#define CPUID_0000_0006 (0x6)
38#define CPUID_0000_0007 (0x7)
39#define	CPUID_0000_000A	(0xA)
40#define	CPUID_0000_000B	(0xB)
41#define	CPUID_0000_000D	(0xD)
42#define CPUID_8000_0000	(0x80000000)
43#define CPUID_8000_0001	(0x80000001)
44#define CPUID_8000_0002	(0x80000002)
45#define CPUID_8000_0003	(0x80000003)
46#define CPUID_8000_0004	(0x80000004)
47#define CPUID_8000_0006	(0x80000006)
48#define CPUID_8000_0007	(0x80000007)
49#define CPUID_8000_0008	(0x80000008)
50
51/*
52 * CPUID instruction Fn0000_0001:
53 */
54#define CPUID_0000_0001_APICID_MASK			(0xff<<24)
55#define CPUID_0000_0001_APICID_SHIFT			24
56
57/*
58 * CPUID instruction Fn0000_0001 ECX
59 */
60#define CPUID_0000_0001_FEAT0_VMX	(1<<5)
61
62int x86_emulate_cpuid(struct vm *vm, int vcpu_id, uint32_t *eax, uint32_t *ebx,
63		      uint32_t *ecx, uint32_t *edx);
64
65enum vm_cpuid_capability {
66	VCC_NONE,
67	VCC_NO_EXECUTE,
68	VCC_FFXSR,
69	VCC_TCE,
70	VCC_LAST
71};
72
73/*
74 * Return 'true' if the capability 'cap' is enabled in this virtual cpu
75 * and 'false' otherwise.
76 */
77bool vm_cpuid_capability(struct vm *vm, int vcpuid, enum vm_cpuid_capability);
78#endif
79