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 | }; |
33 | |
34 | #ifdef CONFIG_HYPERVISOR_GUEST |
35 | |
36 | #include <asm/kvm_para.h> |
37 | #include <asm/x86_init.h> |
38 | #include <asm/xen/hypervisor.h> |
39 | |
40 | struct hypervisor_x86 { |
41 | /* Hypervisor name */ |
42 | const char *name; |
43 | |
44 | /* Detection routine */ |
45 | uint32_t (*detect)(void); |
46 | |
47 | /* Hypervisor type */ |
48 | enum x86_hypervisor_type type; |
49 | |
50 | /* init time callbacks */ |
51 | struct x86_hyper_init init; |
52 | |
53 | /* runtime callbacks */ |
54 | struct x86_hyper_runtime runtime; |
55 | }; |
56 | |
57 | extern enum x86_hypervisor_type x86_hyper_type; |
58 | extern void init_hypervisor_platform(void); |
59 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type) |
60 | { |
61 | return x86_hyper_type == type; |
62 | } |
63 | #else |
64 | static inline void init_hypervisor_platform(void) { } |
65 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type) |
66 | { |
67 | return type == X86_HYPER_NATIVE; |
68 | } |
69 | #endif /* CONFIG_HYPERVISOR_GUEST */ |
70 | #endif /* _ASM_X86_HYPERVISOR_H */ |
71 | |