Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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/* x86 hypervisor types */
24enum x86_hypervisor_type {
25 X86_HYPER_NATIVE = 0,
26 X86_HYPER_VMWARE,
27 X86_HYPER_MS_HYPERV,
28 X86_HYPER_XEN_PV,
29 X86_HYPER_XEN_HVM,
30 X86_HYPER_KVM,
31 X86_HYPER_JAILHOUSE,
32 X86_HYPER_ACRN,
33 X86_HYPER_BHYVE,
34};
35
36#ifdef CONFIG_HYPERVISOR_GUEST
37
38#include <asm/kvm_para.h>
39#include <asm/x86_init.h>
40#include <asm/xen/hypervisor.h>
41
42struct hypervisor_x86 {
43 /* Hypervisor name */
44 const char *name;
45
46 /* Detection routine */
47 uint32_t (*detect)(void);
48
49 /* Hypervisor type */
50 enum x86_hypervisor_type type;
51
52 /* init time callbacks */
53 struct x86_hyper_init init;
54
55 /* runtime callbacks */
56 struct x86_hyper_runtime runtime;
57
58 /* ignore nopv parameter */
59 bool ignore_nopv;
60};
61
62extern const struct hypervisor_x86 x86_hyper_vmware;
63extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
64extern const struct hypervisor_x86 x86_hyper_xen_pv;
65extern const struct hypervisor_x86 x86_hyper_kvm;
66extern const struct hypervisor_x86 x86_hyper_jailhouse;
67extern const struct hypervisor_x86 x86_hyper_acrn;
68extern const struct hypervisor_x86 x86_hyper_bhyve;
69extern struct hypervisor_x86 x86_hyper_xen_hvm;
70
71extern bool nopv;
72extern enum x86_hypervisor_type x86_hyper_type;
73extern void init_hypervisor_platform(void);
74static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
75{
76 return x86_hyper_type == type;
77}
78#else
79static inline void init_hypervisor_platform(void) { }
80static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
81{
82 return type == X86_HYPER_NATIVE;
83}
84#endif /* CONFIG_HYPERVISOR_GUEST */
85#endif /* _ASM_X86_HYPERVISOR_H */