/* $Id: HWSVMR0.h 15414 2008-12-13 04:33:30Z vboxsync $ */ /** @file * HWACCM AMD-V - Internal header file. */ /* * Copyright (C) 2006-2007 Sun Microsystems, Inc. * * 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. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 USA or visit http://www.sun.com if you need * additional information or have any questions. */ #ifndef ___VMMR0_HWSVMR0_h #define ___VMMR0_HWSVMR0_h #include #include #include #include #include #include #include #include __BEGIN_DECLS /** @defgroup grp_svm_int Internal * @ingroup grp_svm * @internal * @{ */ #ifdef IN_RING0 /** * Enters the AMD-V session * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCpu CPU info struct */ VMMR0DECL(int) SVMR0Enter(PVM pVM, PVMCPU pVCpu, PHWACCM_CPUINFO pCpu); /** * Leaves the AMD-V session * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCtx CPU context */ VMMR0DECL(int) SVMR0Leave(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx); /** * Sets up and activates AMD-V on the current CPU * * @returns VBox status code. * @param pCpu CPU info struct * @param pVM The VM to operate on. (can be NULL after a resume) * @param pvPageCpu Pointer to the global cpu page * @param pPageCpuPhys Physical address of the global cpu page */ VMMR0DECL(int) SVMR0EnableCpu(PHWACCM_CPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys); /** * Deactivates AMD-V on the current CPU * * @returns VBox status code. * @param pCpu CPU info struct * @param pvPageCpu Pointer to the global cpu page * @param pPageCpuPhys Physical address of the global cpu page */ VMMR0DECL(int) SVMR0DisableCpu(PHWACCM_CPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys); /** * Does Ring-0 per VM AMD-V init. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR0DECL(int) SVMR0InitVM(PVM pVM); /** * Does Ring-0 per VM AMD-V termination. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR0DECL(int) SVMR0TermVM(PVM pVM); /** * Sets up AMD-V for the specified VM * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR0DECL(int) SVMR0SetupVM(PVM pVM); /** * Runs guest code in an AMD-V VM. * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCtx Guest context */ VMMR0DECL(int) SVMR0RunGuestCode(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx); /** * Save the host state * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. */ VMMR0DECL(int) SVMR0SaveHostState(PVM pVM, PVMCPU pVCpu); /** * Loads the guest state * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCtx Guest context */ VMMR0DECL(int) SVMR0LoadGuestState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx); #if HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL) /** * Prepares for and executes VMRUN (64 bits guests from a 32 bits hosts). * * @returns VBox status code. * @param pVMCBHostPhys Physical address of host VMCB. * @param pVMCBPhys Physical address of the VMCB. * @param pCtx Guest context. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. (not used) */ DECLASM(int) SVMR0VMSwitcherRun64(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu); /** * Executes the specified handler in 64 mode * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCtx Guest context * @param pfnHandler RC handler * @param cbParam Number of parameters * @param paParam Array of 32 bits parameters */ VMMR0DECL(int) SVMR0Execute64BitsHandler(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, RTRCPTR pfnHandler, uint32_t cbParam, uint32_t *paParam); #endif /* HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL) */ /** * Prepares for and executes VMRUN (32 bits guests). * * @returns VBox status code. * @param pVMCBHostPhys Physical address of host VMCB. * @param pVMCBPhys Physical address of the VMCB. * @param pCtx Guest context. * @param pVM The VM to operate on. (not used) * @param pVCpu The VMCPU to operate on. (not used) */ DECLASM(int) SVMR0VMRun(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu); /** * Prepares for and executes VMRUN (64 bits guests). * * @returns VBox status code. * @param pVMCBHostPhys Physical address of host VMCB. * @param pVMCBPhys Physical address of the VMCB. * @param pCtx Guest context. * @param pVM The VM to operate on. (not used) * @param pVCpu The VMCPU to operate on. (not used) */ DECLASM(int) SVMR0VMRun64(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu); /** * Executes INVLPGA. * * @param pPageGC Virtual page to invalidate. * @param u32ASID Tagged TLB id. */ DECLASM(void) SVMR0InvlpgA(RTGCPTR pPageGC, uint32_t u32ASID); /** Convert hidden selector attribute word between VMX and SVM formats. */ #define SVM_HIDSEGATTR_VMX2SVM(a) (a & 0xFF) | ((a & 0xF000) >> 4) #define SVM_HIDSEGATTR_SVM2VMX(a) (a & 0xFF) | ((a & 0x0F00) << 4) #define SVM_WRITE_SELREG(REG, reg) \ { \ pVMCB->guest.REG.u16Sel = pCtx->reg; \ pVMCB->guest.REG.u32Limit = pCtx->reg##Hid.u32Limit; \ pVMCB->guest.REG.u64Base = pCtx->reg##Hid.u64Base; \ pVMCB->guest.REG.u16Attr = SVM_HIDSEGATTR_VMX2SVM(pCtx->reg##Hid.Attr.u); \ } #define SVM_READ_SELREG(REG, reg) \ { \ pCtx->reg = pVMCB->guest.REG.u16Sel; \ pCtx->reg##Hid.u32Limit = pVMCB->guest.REG.u32Limit; \ pCtx->reg##Hid.u64Base = pVMCB->guest.REG.u64Base; \ pCtx->reg##Hid.Attr.u = SVM_HIDSEGATTR_SVM2VMX(pVMCB->guest.REG.u16Attr); \ } #endif /* IN_RING0 */ /** @} */ __END_DECLS #endif