| 1 | /* $Id: HWVMXR0.h 45904 2013-05-06 11:53:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * HM VMX (VT-x) - Internal header file.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2013 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___HWVMXR0_h
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| 19 | #define ___HWVMXR0_h
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| 20 |
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| 21 | RT_C_DECLS_BEGIN
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| 22 |
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| 23 | /** @defgroup grp_vmx_int Internal
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| 24 | * @ingroup grp_vmx
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| 25 | * @internal
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| 26 | * @{
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| 27 | */
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| 28 |
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| 29 | #ifdef IN_RING0
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| 30 |
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| 31 | VMMR0DECL(int) VMXR0Enter(PVM pVM, PVMCPU pVCpu, PHMGLOBLCPUINFO pCpu);
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| 32 | VMMR0DECL(int) VMXR0Leave(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
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| 33 | VMMR0DECL(int) VMXR0EnableCpu(PHMGLOBLCPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys, bool fEnabledBySystem);
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| 34 | VMMR0DECL(int) VMXR0DisableCpu(PHMGLOBLCPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
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| 35 | VMMR0DECL(int) VMXR0GlobalInit(void);
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| 36 | VMMR0DECL(void) VMXR0GlobalTerm(void);
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| 37 | VMMR0DECL(int) VMXR0InitVM(PVM pVM);
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| 38 | VMMR0DECL(int) VMXR0TermVM(PVM pVM);
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| 39 | VMMR0DECL(int) VMXR0SetupVM(PVM pVM);
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| 40 | VMMR0DECL(int) VMXR0SaveHostState(PVM pVM, PVMCPU pVCpu);
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| 41 | VMMR0DECL(int) VMXR0LoadGuestState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
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| 42 | VMMR0DECL(int) VMXR0RunGuestCode(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
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| 43 | DECLASM(int) VMXR0StartVM32(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu);
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| 44 | DECLASM(int) VMXR0StartVM64(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu);
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| 45 |
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| 46 | # if HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
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| 47 | DECLASM(int) VMXR0SwitcherStartVM64(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu);
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| 48 | VMMR0DECL(int) VMXR0Execute64BitsHandler(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, HM64ON32OP enmOp, uint32_t cbParam,
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| 49 | uint32_t *paParam);
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| 50 | # endif
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| 51 |
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| 52 | /* Cached VMCS accesses -- defined always in the old VT-x code, defined only for 32 hosts on new code. */
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| 53 | #ifdef VMX_USE_CACHED_VMCS_ACCESSES
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| 54 | VMMR0DECL(int) VMXWriteCachedVmcsEx(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val);
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| 55 |
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| 56 | DECLINLINE(int) VMXReadCachedVmcsEx(PVMCPU pVCpu, uint32_t idxCache, RTGCUINTREG *pVal)
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| 57 | {
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| 58 | Assert(idxCache <= VMX_VMCS_MAX_NESTED_PAGING_CACHE_IDX);
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| 59 | *pVal = pVCpu->hm.s.vmx.VMCSCache.Read.aFieldVal[idxCache];
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| 60 | return VINF_SUCCESS;
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| 61 | }
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| 62 | #endif
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| 63 |
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| 64 | #ifdef VBOX_WITH_OLD_VTX_CODE
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| 65 | # ifdef VMX_USE_CACHED_VMCS_ACCESSES
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| 66 | # define VMXReadCachedVmcs(idxField, pVal) VMXReadCachedVmcsEx(pVCpu, idxField##_CACHE_IDX, pVal)
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| 67 | # else
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| 68 | # define VMXReadCachedVmcs VMXReadVmcsField
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| 69 | # endif
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| 70 | # define VMXReadVmcs VMXReadVmcsField
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| 71 | #else /* !VBOX_WITH_OLD_VTX_CODE */
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| 72 | # ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
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| 73 | # define VMXReadVmcsHstN(idxField, pVal) HMVMX_IS_64BIT_HOST_MODE() ? \
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| 74 | VMXReadVmcs64(idxField, pVal) \
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| 75 | : VMXReadVmcs32(idxField, (uint32_t *)pVal)
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| 76 | # define VMXReadVmcsGstN(idxField, pVal) (pVCpu->CTX_SUFF(pVM)->hm.s.fAllow64BitGuests) ? \
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| 77 | VMXReadVmcs64(idxField, pVal) \
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| 78 | : VMXReadVmcs32(idxField, (uint32_t *)pVal)
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| 79 | # define VMXReadVmcsGstNByIdxVal(idxField, pVal) VMXReadVmcsGstN(idxField, pVal)
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| 80 | # elif HC_ARCH_BITS == 32
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| 81 | # define VMXReadVmcsHstN VMXReadVmcs32
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| 82 | # define VMXReadVmcsGstN(idxField, pVal) VMXReadCachedVmcsEx(pVCpu, idxField##_CACHE_IDX, pVal)
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| 83 | # define VMXReadVmcsGstNByIdxVal(idxField, pVal) VMXReadCachedVmcsEx(pVCpu, idxField, pVal)
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| 84 | # else /* HC_ARCH_BITS == 64 */
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| 85 | # define VMXReadVmcsHstN VMXReadVmcs64
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| 86 | # define VMXReadVmcsGstN VMXReadVmcs64
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| 87 | # define VMXReadVmcsGstNByIdxVal VMXReadVmcs64
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| 88 | # endif
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| 89 | #endif /* !VBOX_WITH_OLD_VTX_CODE */
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| 90 |
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| 91 | #endif /* IN_RING0 */
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| 92 |
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| 93 | /** @} */
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| 94 |
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| 95 | RT_C_DECLS_END
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| 96 |
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| 97 | #endif /* ___HWVMXR0_h */
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| 98 |
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