| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |