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