projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| 6276a074 BP |
23 | #ifdef CONFIG_HYPERVISOR_GUEST |
| 24 | ||
| 2904ed8d | 25 | #include <asm/kvm_para.h> |
| d9b8ca84 | 26 | #include <asm/xen/hypervisor.h> |
| 2904ed8d | 27 | |
| e08cae41 PA |
28 | /* |
| 29 | * x86 hypervisor information | |
| 30 | */ | |
| 31 | struct hypervisor_x86 { | |
| 32 | /* Hypervisor name */ | |
| 33 | const char *name; | |
| 34 | ||
| 35 | /* Detection routine */ | |
| 9df56f19 | 36 | uint32_t (*detect)(void); |
| e08cae41 PA |
37 | |
| 38 | /* Adjust CPU feature bits (run once per CPU) */ | |
| 39 | void (*set_cpu_features)(struct cpuinfo_x86 *); | |
| 40 | ||
| 41 | /* Platform setup (run once per boot) */ | |
| 42 | void (*init_platform)(void); | |
| 4cca6ea0 AK |
43 | |
| 44 | /* X2APIC detection (run once per boot) */ | |
| 45 | bool (*x2apic_available)(void); | |
| e08cae41 PA |
46 | }; |
| 47 | ||
| 48 | extern const struct hypervisor_x86 *x86_hyper; | |
| 49 | ||
| 50 | /* Recognized hypervisors */ | |
| 51 | extern const struct hypervisor_x86 x86_hyper_vmware; | |
| 52 | extern const struct hypervisor_x86 x86_hyper_ms_hyperv; | |
| a71dbdaa | 53 | extern const struct hypervisor_x86 x86_hyper_xen; |
| fc73373b | 54 | extern const struct hypervisor_x86 x86_hyper_kvm; |
| e08cae41 | 55 | |
| 6276a074 BP |
56 | extern void init_hypervisor(struct cpuinfo_x86 *c); |
| 57 | extern void init_hypervisor_platform(void); | |
| 58 | extern bool hypervisor_x2apic_available(void); | |
| 59 | #else | |
| 60 | static inline void init_hypervisor(struct cpuinfo_x86 *c) { } | |
| 61 | static inline void init_hypervisor_platform(void) { } | |
| 62 | static inline bool hypervisor_x2apic_available(void) { return false; } | |
| 63 | #endif /* CONFIG_HYPERVISOR_GUEST */ | |
| 64 | #endif /* _ASM_X86_HYPERVISOR_H */ |