| 1 | |
| 2 | * Copyright (C) 2008, VMware, Inc.
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| 3 | *
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| 4 | * This program is free software; you can redistribute it and/or modify
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| 5 | * it under the terms of the GNU General Public License as published by
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| 6 | * the Free Software Foundation; either version 2 of the License, or
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| 7 | * (at your option) any later version.
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| 8 | *
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| 9 | * This program is distributed in the hope that it will be useful, but
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| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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| 12 | * NON INFRINGEMENT. See the GNU General Public License for more
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| 13 | * details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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| 18 | *
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| 19 |
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| 20 | #ifndef _ASM_X86_HYPERVISOR_H
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| 21 | #define _ASM_X86_HYPERVISOR_H
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| 22 |
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| 23 |
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| 24 | enum x86_hypervisor_type {
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| 25 | X86_HYPER_NATIVE = 0,
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| 26 | X86_HYPER_VMWARE,
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| 27 | X86_HYPER_MS_HYPERV,
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| 28 | X86_HYPER_XEN_PV,
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| 29 | X86_HYPER_XEN_HVM,
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| 30 | X86_HYPER_KVM,
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| 31 | X86_HYPER_JAILHOUSE,
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| 32 | X86_HYPER_ACRN,
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| 33 | X86_HYPER_BHYVE,
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| 34 | };
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| 35 |
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| 36 | #ifdef CONFIG_HYPERVISOR_GUEST
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| 37 |
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| 38 | #include <asm/kvm_para.h>
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| 39 | #include <asm/x86_init.h>
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| 40 | #include <asm/xen/hypervisor.h>
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| 41 |
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| 42 | struct hypervisor_x86 {
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| 43 |
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| 44 | const char *name;
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| 45 |
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| 46 |
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| 47 | uint32_t (*detect)(void);
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| 48 |
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| 49 |
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| 50 | enum x86_hypervisor_type type;
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| 51 |
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| 52 |
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| 53 | struct x86_hyper_init init;
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| 54 |
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| 55 |
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| 56 | struct x86_hyper_runtime runtime;
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| 57 |
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| 58 |
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| 59 | bool ignore_nopv;
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| 60 | };
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| 61 |
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| 62 | extern const struct hypervisor_x86 x86_hyper_vmware;
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| 63 | extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
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| 64 | extern const struct hypervisor_x86 x86_hyper_xen_pv;
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| 65 | extern const struct hypervisor_x86 x86_hyper_kvm;
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| 66 | extern const struct hypervisor_x86 x86_hyper_jailhouse;
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| 67 | extern const struct hypervisor_x86 x86_hyper_acrn;
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| 68 | extern const struct hypervisor_x86 x86_hyper_bhyve;
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| 69 | extern struct hypervisor_x86 x86_hyper_xen_hvm;
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| 70 |
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| 71 | extern bool nopv;
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| 72 | extern enum x86_hypervisor_type x86_hyper_type;
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| 73 | extern void init_hypervisor_platform(void);
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| 74 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
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| 75 | {
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| 76 | return x86_hyper_type == type;
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| 77 | }
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| 78 | #else
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| 79 | static inline void init_hypervisor_platform(void) { }
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| 80 | static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
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| 81 | {
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| 82 | return type == X86_HYPER_NATIVE;
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| 83 | }
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| 84 | #endif
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| 85 | #endif
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