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88b094fb AK |
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 | */ | |
e08cae41 PA |
20 | #ifndef _ASM_X86_HYPERVISOR_H |
21 | #define _ASM_X86_HYPERVISOR_H | |
88b094fb | 22 | |
2904ed8d | 23 | #include <asm/kvm_para.h> |
d9b8ca84 | 24 | #include <asm/xen/hypervisor.h> |
2904ed8d | 25 | |
88b094fb | 26 | extern void init_hypervisor(struct cpuinfo_x86 *c); |
2d826404 | 27 | extern void init_hypervisor_platform(void); |
88b094fb | 28 | |
e08cae41 PA |
29 | /* |
30 | * x86 hypervisor information | |
31 | */ | |
32 | struct hypervisor_x86 { | |
33 | /* Hypervisor name */ | |
34 | const char *name; | |
35 | ||
36 | /* Detection routine */ | |
37 | bool (*detect)(void); | |
38 | ||
39 | /* Adjust CPU feature bits (run once per CPU) */ | |
40 | void (*set_cpu_features)(struct cpuinfo_x86 *); | |
41 | ||
42 | /* Platform setup (run once per boot) */ | |
43 | void (*init_platform)(void); | |
44 | }; | |
45 | ||
46 | extern const struct hypervisor_x86 *x86_hyper; | |
47 | ||
48 | /* Recognized hypervisors */ | |
49 | extern const struct hypervisor_x86 x86_hyper_vmware; | |
50 | extern const struct hypervisor_x86 x86_hyper_ms_hyperv; | |
bee6ab53 | 51 | extern const struct hypervisor_x86 x86_hyper_xen_hvm; |
e08cae41 | 52 | |
2904ed8d SY |
53 | static inline bool hypervisor_x2apic_available(void) |
54 | { | |
55 | if (kvm_para_available()) | |
56 | return true; | |
d9b8ca84 SY |
57 | if (xen_x2apic_para_available()) |
58 | return true; | |
2904ed8d SY |
59 | return false; |
60 | } | |
61 | ||
88b094fb | 62 | #endif |