Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/*
2 * Copyright (C) 2008, VMware, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12 * NON INFRINGEMENT. See the GNU General Public License for more
13 * details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 */
20#ifndef _ASM_X86_HYPERVISOR_H
21#define _ASM_X86_HYPERVISOR_H
22
23#include <asm/kvm_para.h>
24#include <asm/xen/hypervisor.h>
25
26extern void init_hypervisor(struct cpuinfo_x86 *c);
27extern void init_hypervisor_platform(void);
28extern bool hypervisor_x2apic_available(void);
29
30/*
31 * x86 hypervisor information
32 */
33struct hypervisor_x86 {
34 /* Hypervisor name */
35 const char *name;
36
37 /* Detection routine */
38 bool (*detect)(void);
39
40 /* Adjust CPU feature bits (run once per CPU) */
41 void (*set_cpu_features)(struct cpuinfo_x86 *);
42
43 /* Platform setup (run once per boot) */
44 void (*init_platform)(void);
45
46 /* X2APIC detection (run once per boot) */
47 bool (*x2apic_available)(void);
48};
49
50extern const struct hypervisor_x86 *x86_hyper;
51
52/* Recognized hypervisors */
53extern const struct hypervisor_x86 x86_hyper_vmware;
54extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
55extern const struct hypervisor_x86 x86_hyper_xen_hvm;
56extern const struct hypervisor_x86 x86_hyper_kvm;
57
58#endif