hypervisor.h

 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 */