/* $Id: HWACCMInternal.h 5999 2007-12-07 15:05:06Z vboxsync $ */ /** @file * HWACCM - Internal header file. */ /* * Copyright (C) 2006-2007 innotek GmbH * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ #ifndef ___HWACCMInternal_h #define ___HWACCMInternal_h #include #include #include #include #include #include #include __BEGIN_DECLS /** @defgroup grp_hwaccm_int Internal * @ingroup grp_hwaccm * @internal * @{ */ /** * Converts a HWACCM pointer into a VM pointer. * @returns Pointer to the VM structure the EM is part of. * @param pHWACCM Pointer to HWACCM instance data. */ #define HWACCM2VM(pHWACCM) ( (PVM)((char*)pHWACCM - pHWACCM->offVM) ) /** Maximum number of exit reason statistics counters. */ #define MAX_EXITREASON_STAT 0x100 #define MASK_EXITREASON_STAT 0xff /** @name Changed flags * These flags are used to keep track of which important registers that * have been changed since last they were reset. * @{ */ #define HWACCM_CHANGED_GUEST_FPU RT_BIT(0) #define HWACCM_CHANGED_GUEST_CR0 RT_BIT(1) #define HWACCM_CHANGED_GUEST_CR3 RT_BIT(2) #define HWACCM_CHANGED_GUEST_CR4 RT_BIT(3) #define HWACCM_CHANGED_GUEST_GDTR RT_BIT(4) #define HWACCM_CHANGED_GUEST_IDTR RT_BIT(5) #define HWACCM_CHANGED_GUEST_LDTR RT_BIT(6) #define HWACCM_CHANGED_GUEST_TR RT_BIT(7) #define HWACCM_CHANGED_GUEST_SYSENTER_MSR RT_BIT(8) #define HWACCM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(9) #define HWACCM_CHANGED_GUEST_DEBUG RT_BIT(10) #define HWACCM_CHANGED_HOST_CONTEXT RT_BIT(11) #define HWACCM_CHANGED_ALL ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \ | HWACCM_CHANGED_GUEST_CR0 \ | HWACCM_CHANGED_GUEST_CR3 \ | HWACCM_CHANGED_GUEST_CR4 \ | HWACCM_CHANGED_GUEST_GDTR \ | HWACCM_CHANGED_GUEST_IDTR \ | HWACCM_CHANGED_GUEST_LDTR \ | HWACCM_CHANGED_GUEST_TR \ | HWACCM_CHANGED_GUEST_SYSENTER_MSR \ | HWACCM_CHANGED_GUEST_FPU \ | HWACCM_CHANGED_GUEST_DEBUG \ | HWACCM_CHANGED_HOST_CONTEXT) #define HWACCM_CHANGED_ALL_GUEST ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \ | HWACCM_CHANGED_GUEST_CR0 \ | HWACCM_CHANGED_GUEST_CR3 \ | HWACCM_CHANGED_GUEST_CR4 \ | HWACCM_CHANGED_GUEST_GDTR \ | HWACCM_CHANGED_GUEST_IDTR \ | HWACCM_CHANGED_GUEST_LDTR \ | HWACCM_CHANGED_GUEST_TR \ | HWACCM_CHANGED_GUEST_SYSENTER_MSR \ | HWACCM_CHANGED_GUEST_DEBUG \ | HWACCM_CHANGED_GUEST_FPU) /** @} */ /** @name Intercepted traps * Traps that need to be intercepted so we can correctly dispatch them to the guest if required. * Currently #NM and #PF only */ #ifdef VBOX_STRICT #define HWACCM_VMX_TRAP_MASK RT_BIT(0) | RT_BIT(7) | RT_BIT(14) | RT_BIT(6) | RT_BIT(11) | RT_BIT(12) | RT_BIT(13) | RT_BIT(16) #define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK #else #define HWACCM_VMX_TRAP_MASK RT_BIT(7) | RT_BIT(14) #define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK #endif /** @} */ /** Maxium resume loops allowed in ring 0 (safety precaution) */ #define HWACCM_MAX_RESUME_LOOPS 1024 /** HWACCM SSM version */ #define HWACCM_SSM_VERSION 3 /** * HWACCM VM Instance data. * Changes to this must checked against the padding of the cfgm union in VM! */ typedef struct HWACCM { /** Offset to the VM structure. * See HWACCM2VM(). */ RTUINT offVM; /** Set when we've initialized VMX or SVM. */ bool fInitialized; /** Set when we're using VMX/SVN at that moment. */ bool fActive; /** Set when hardware acceleration is allowed. */ bool fAllowed; /** HWACCM_CHANGED_* flags. */ uint32_t fContextUseFlags; /** Old style FPU reporting trap mask override performed (optimization) */ uint32_t fFPUOldStyleOverride; struct { /** Set by the ring-0 driver to indicate VMX is supported by the CPU. */ bool fSupported; /** Set when we've enabled VMX. */ bool fEnabled; /** Set if we can use VMXResume to execute guest code. */ bool fResumeVM; /** Physical address of the VM control structure (VMCS). */ RTHCPHYS pVMCSPhys; /** Virtual address of the VM control structure (VMCS). */ void *pVMCS; /** Physical address of the VMXON page. */ RTHCPHYS pVMXONPhys; /** Virtual address of the VMXON page. */ void *pVMXON; /** Physical address of the TSS page used for real mode emulation. */ RTHCPHYS pRealModeTSSPhys; /** Virtual address of the TSS page used for real mode emulation. */ PVBOXTSS pRealModeTSS; /** Host CR4 value (set by ring-0 VMX init) */ uint32_t hostCR4; /** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */ uint64_t proc_ctls; /** Current CR0 mask. */ uint64_t cr0_mask; /** Current CR4 mask. */ uint64_t cr4_mask; /** VMX MSR values */ struct { uint64_t feature_ctrl; uint64_t vmx_basic_info; uint64_t vmx_pin_ctls; uint64_t vmx_proc_ctls; uint64_t vmx_exit; uint64_t vmx_entry; uint64_t vmx_misc; uint64_t vmx_cr0_fixed0; uint64_t vmx_cr0_fixed1; uint64_t vmx_cr4_fixed0; uint64_t vmx_cr4_fixed1; uint64_t vmx_vmcs_enum; } msr; /* Last instruction error */ uint32_t ulLastInstrError; } vmx; struct { /** Set by the ring-0 driver to indicate SVM is supported by the CPU. */ bool fSupported; /** Set when we've enabled SVM. */ bool fEnabled; /** Set if we don't have to flush the TLB on VM entry. */ bool fResumeVM; /** Physical address of the VM control block (VMCB). */ RTHCPHYS pVMCBPhys; /** Virtual address of the VM control block (VMCB). */ void *pVMCB; /** Physical address of the host VM control block (VMCB). */ RTHCPHYS pVMCBHostPhys; /** Virtual address of the host VM control block (VMCB). */ void *pVMCBHost; /** Physical address of the Host State page. */ RTHCPHYS pHStatePhys; /** Virtual address of the Host State page. */ void *pHState; /** Physical address of the IO bitmap (12kb). */ RTHCPHYS pIOBitmapPhys; /** Virtual address of the IO bitmap. */ void *pIOBitmap; /** Physical address of the MSR bitmap (8kb). */ RTHCPHYS pMSRBitmapPhys; /** Virtual address of the MSR bitmap. */ void *pMSRBitmap; /** SVM revision. */ uint32_t u32Rev; /** Maximum ASID allowed. */ uint32_t u32MaxASID; } svm; struct { uint32_t u32AMDFeatureECX; uint32_t u32AMDFeatureEDX; } cpuid; /* Event injection state. */ struct { uint32_t fPending; uint32_t errCode; uint64_t intInfo; } Event; /** Saved error from detection */ int32_t lLastError; /** HWACCMR0Init was run */ bool fHWACCMR0Init; /** Currenty shadow paging mode. */ PGMMODE enmShadowMode; STAMPROFILEADV StatEntry; STAMPROFILEADV StatExit; STAMPROFILEADV StatInGC; STAMCOUNTER StatIntInject; STAMCOUNTER StatExitShadowNM; STAMCOUNTER StatExitGuestNM; STAMCOUNTER StatExitShadowPF; STAMCOUNTER StatExitGuestPF; STAMCOUNTER StatExitGuestUD; STAMCOUNTER StatExitGuestSS; STAMCOUNTER StatExitGuestNP; STAMCOUNTER StatExitGuestGP; STAMCOUNTER StatExitGuestDE; STAMCOUNTER StatExitGuestMF; STAMCOUNTER StatExitInvpg; STAMCOUNTER StatExitInvd; STAMCOUNTER StatExitCpuid; STAMCOUNTER StatExitRdtsc; STAMCOUNTER StatExitCRxWrite; STAMCOUNTER StatExitCRxRead; STAMCOUNTER StatExitDRxWrite; STAMCOUNTER StatExitDRxRead; STAMCOUNTER StatExitCLTS; STAMCOUNTER StatExitLMSW; STAMCOUNTER StatExitIOWrite; STAMCOUNTER StatExitIORead; STAMCOUNTER StatExitIOStringWrite; STAMCOUNTER StatExitIOStringRead; STAMCOUNTER StatExitIrqWindow; STAMCOUNTER StatExitMaxResume; STAMCOUNTER StatIntReinject; STAMCOUNTER StatPendingHostIrq; STAMCOUNTER StatSwitchGuestIrq; STAMCOUNTER StatSwitchToR3; R3PTRTYPE(PSTAMCOUNTER) pStatExitReason; R0PTRTYPE(PSTAMCOUNTER) pStatExitReasonR0; } HWACCM; /** Pointer to HWACCM VM instance data. */ typedef HWACCM *PHWACCM; #ifdef IN_RING0 #ifdef VBOX_STRICT HWACCMR0DECL(void) HWACCMDumpRegs(PCPUMCTX pCtx); HWACCMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg); #else #define HWACCMDumpRegs(a) do { } while (0) #define HWACCMR0DumpDescriptor(a, b, c) do { } while (0) #endif #endif /** @} */ __END_DECLS #endif