1 | /* $Id: HMVMXR0.h 56287 2015-06-09 11:15:22Z 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) 2006-2015 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 ___HMVMXR0_h
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19 | #define ___HMVMXR0_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, PHMGLOBALCPUINFO pCpu);
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32 | VMMR0DECL(void) VMXR0ThreadCtxCallback(RTTHREADCTXEVENT enmEvent, PVMCPU pVCpu, bool fGlobalInit);
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33 | VMMR0DECL(int) VMXR0EnableCpu(PHMGLOBALCPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys, bool fEnabledBySystem,
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34 | void *pvMsrs);
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35 | VMMR0DECL(int) VMXR0DisableCpu(PHMGLOBALCPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
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36 | VMMR0DECL(int) VMXR0GlobalInit(void);
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37 | VMMR0DECL(void) VMXR0GlobalTerm(void);
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38 | VMMR0DECL(int) VMXR0InitVM(PVM pVM);
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39 | VMMR0DECL(int) VMXR0TermVM(PVM pVM);
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40 | VMMR0DECL(int) VMXR0SetupVM(PVM pVM);
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41 | VMMR0DECL(int) VMXR0SaveHostState(PVM pVM, PVMCPU pVCpu);
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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 |
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47 | # if HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
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48 | DECLASM(int) VMXR0SwitcherStartVM64(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu);
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49 | VMMR0DECL(int) VMXR0Execute64BitsHandler(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, HM64ON32OP enmOp, uint32_t cbParam,
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50 | uint32_t *paParam);
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51 | # endif
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52 |
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53 | /* Cached VMCS accesses -- defined only for 32-bit hosts (with 64-bit guest support). */
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54 | # ifdef VMX_USE_CACHED_VMCS_ACCESSES
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55 | VMMR0DECL(int) VMXWriteCachedVmcsEx(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val);
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56 |
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57 | DECLINLINE(int) VMXReadCachedVmcsEx(PVMCPU pVCpu, uint32_t idxCache, RTGCUINTREG *pVal)
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58 | {
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59 | Assert(idxCache <= VMX_VMCS_MAX_NESTED_PAGING_CACHE_IDX);
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60 | *pVal = pVCpu->hm.s.vmx.VMCSCache.Read.aFieldVal[idxCache];
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61 | return VINF_SUCCESS;
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62 | }
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63 | # endif
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64 |
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65 | # ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
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66 | /* Don't use fAllow64BitGuests for VMXReadVmcsGstN() even though it looks right, as it can be forced to 'true'.
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67 | HMVMX_IS_64BIT_HOST_MODE() is what we need. */
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68 | # define VMXReadVmcsHstN(idxField, p64Val) HMVMX_IS_64BIT_HOST_MODE() ? \
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69 | VMXReadVmcs64(idxField, p64Val) \
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70 | : (*(p64Val) &= UINT64_C(0xffffffff), \
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71 | VMXReadVmcs32(idxField, (uint32_t *)(p64Val)))
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72 | # define VMXReadVmcsGstN VMXReadVmcsHstN
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73 | # define VMXReadVmcsGstNByIdxVal VMXReadVmcsGstN
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74 | # elif HC_ARCH_BITS == 32
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75 | # define VMXReadVmcsHstN VMXReadVmcs32
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76 | # define VMXReadVmcsGstN(idxField, pVal) VMXReadCachedVmcsEx(pVCpu, idxField##_CACHE_IDX, pVal)
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77 | # define VMXReadVmcsGstNByIdxVal(idxField, pVal) VMXReadCachedVmcsEx(pVCpu, idxField, pVal)
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78 | # else /* HC_ARCH_BITS == 64 */
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79 | # define VMXReadVmcsHstN VMXReadVmcs64
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80 | # define VMXReadVmcsGstN VMXReadVmcs64
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81 | # define VMXReadVmcsGstNByIdxVal VMXReadVmcs64
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82 | # endif
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83 |
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84 | #endif /* IN_RING0 */
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85 |
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86 | /** @} */
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87 |
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88 | RT_C_DECLS_END
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89 |
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90 | #endif /* ___HMVMXR0_h */
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91 |
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