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 */ |
24 | enum 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 | }; |
34 | |
35 | #ifdef CONFIG_HYPERVISOR_GUEST |
36 | |
37 | #include <asm/kvm_para.h> |
38 | #include <asm/x86_init.h> |
39 | #include <asm/xen/hypervisor.h> |
40 | |
41 | struct hypervisor_x86 { |
42 | /* Hypervisor name */ |
43 | const char *name; |
44 | |
45 | /* Detection routine */ |
46 | uint32_t (*detect)(void); |
47 | |
48 | /* Hypervisor type */ |
49 | enum x86_hypervisor_type type; |
50 | |
51 | /* init time callbacks */ |
52 | struct x86_hyper_init init; |
53 | |
54 | /* runtime callbacks */ |
55 | struct x86_hyper_runtime runtime; |
56 | |
57 | /* ignore nopv parameter */ |
58 | bool ignore_nopv; |
59 | }; |
60 | |
61 | extern const struct hypervisor_x86 x86_hyper_vmware; |
62 | extern const struct hypervisor_x86 x86_hyper_ms_hyperv; |
63 | extern const struct hypervisor_x86 x86_hyper_xen_pv; |
64 | extern const struct hypervisor_x86 x86_hyper_kvm; |
65 | extern const struct hypervisor_x86 x86_hyper_jailhouse; |
66 | extern const struct hypervisor_x86 x86_hyper_acrn; |
67 | extern struct hypervisor_x86 x86_hyper_xen_hvm; |
68 | |
69 | extern bool nopv; |
70 | extern enum x86_hypervisor_type x86_hyper_type; |
71 | extern void init_hypervisor_platform(void); |
72 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type) |
73 | { |
74 | return x86_hyper_type == type; |
75 | } |
76 | #else |
77 | static inline void init_hypervisor_platform(void) { } |
78 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type) |
79 | { |
80 | return type == X86_HYPER_NATIVE; |
81 | } |
82 | #endif /* CONFIG_HYPERVISOR_GUEST */ |
83 | #endif /* _ASM_X86_HYPERVISOR_H */ |
84 | |