VMMR0.cpp revision ef8631c62c1476100e8d5cd0c0668a74903e7a8e
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * VMM - Host Context Ring 0.
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * Copyright (C) 2006-2010 Oracle Corporation
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * available from http://www.virtualbox.org. This file is free software;
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * you can redistribute it and/or modify it under the terms of the GNU
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * General Public License (GPL) as published by the Free Software
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync/*******************************************************************************
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync* Header Files *
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync*******************************************************************************/
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync#if defined(_MSC_VER) && defined(RT_ARCH_AMD64) /** @todo check this with with VC7! */
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync/*******************************************************************************
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync* Internal Functions *
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync*******************************************************************************/
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync/*******************************************************************************
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync* Global Variables *
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync*******************************************************************************/
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync/** Drag in necessary library bits.
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * The runtime lives here (in VMMR0.r0) and VBoxDD*R0.r0 links against us. */
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * Initialize the module.
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * This is called when we're first loaded.
1319c68f8bf1c1195c93ecf9acccf19354d91ba8vboxsync * @returns 0 on success.
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
return VINF_SUCCESS;
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
HWACCMR0Term();
GMMR0Term();
GVMMR0Term();
return rc;
IntNetR0Term();
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
HWACCMR0Term();
GMMR0Term();
GVMMR0Term();
return VERR_VERSION_MISMATCH;
return VERR_INVALID_PARAMETER;
#ifdef LOG_ENABLED
if (pR0Logger)
LogCom(("vmmR0InitVM: offScratch=%d fFlags=%#x fDestFlags=%#x\n", pR0Logger->Logger.offScratch, pR0Logger->Logger.fFlags, pR0Logger->Logger.fDestFlags));
LogCom(("vmmR0InitVM: returned succesfully from direct logger call (2). offScratch=%d\n", pR0Logger->Logger.offScratch));
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
return rc;
return rc;
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
return VINF_SUCCESS;
#ifdef VBOX_WITH_STATISTICS
switch (rc)
case VINF_SUCCESS:
case VINF_EM_RAW_INTERRUPT:
case VINF_EM_RAW_GUEST_TRAP:
case VINF_EM_RAW_RING_SWITCH:
case VINF_EM_RAW_IRET_TRAP:
case VINF_IOM_HC_IOPORT_READ:
case VINF_IOM_HC_IOPORT_WRITE:
case VINF_IOM_HC_MMIO_READ:
case VINF_IOM_HC_MMIO_WRITE:
case VINF_PATCH_EMULATE_INSTR:
case VINF_CSAM_PENDING_ACTION:
case VINF_PGM_SYNC_CR3:
case VINF_PATM_PATCH_INT3:
case VINF_PATM_PATCH_TRAP_PF:
case VINF_PATM_PATCH_TRAP_GP:
case VINF_EM_RESCHEDULE_REM:
case VINF_EM_RAW_TO_R3:
case VINF_VMM_CALL_HOST:
case VMMCALLRING3_PDM_LOCK:
case VMMCALLRING3_PGM_LOCK:
case VINF_PGM_CHANGE_MODE:
case VINF_EM_PENDING_REQUEST:
return VERR_NOT_SUPPORTED;
* The return code is stored in pVM->vmm.s.iLastGZRc.
switch (enmOperation)
case VMMR0_DO_RAW_RUN:
int rc;
bool fVTxDisabled;
#ifdef VBOX_WITH_STATISTICS
case VMMR0_DO_HWACC_RUN:
int rc;
#ifdef LOG_ENABLED
if ( pR0Logger
if (!HWACCMR0SuspendPending())
rc = vmmR0CallRing3SetJmp(&pVCpu->vmm.s.CallRing3JmpBufR0, HWACCMR0RunGuestCode, pVM, pVCpu); /* this may resume code. */
#ifdef VBOX_WITH_STATISTICS
case VMMR0_DO_NOP:
DECLINLINE(bool) vmmR0IsValidSession(PVM pVM, PSUPDRVSESSION pClaimedSession, PSUPDRVSESSION pSession)
if (!pSession)
if (pVM)
static int vmmR0EntryExWorker(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReqHdr, uint64_t u64Arg, PSUPDRVSESSION pSession)
if (pVM)
return VERR_INVALID_POINTER;
return VERR_INVALID_POINTER;
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
switch (enmOperation)
case VMMR0_DO_GVMM_CREATE_VM:
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GVMM_DESTROY_VM:
return VERR_INVALID_PARAMETER;
if (!pVM)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GVMM_SCHED_HALT:
if (pReqHdr)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GVMM_SCHED_POKE:
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GVMM_SCHED_POLL:
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_VMMR0_INIT:
case VMMR0_DO_VMMR0_TERM:
case VMMR0_DO_HWACC_ENABLE:
case VMMR0_DO_HWACC_SETUP_VM:
return rc;
case VMMR0_DO_CALL_HYPERVISOR:
int rc;
bool fVTxDisabled;
return VERR_NOT_SUPPORTED;
return VERR_PGM_NO_CR3_SHADOW_ROOT;
return rc;
return rc;
return VERR_INVALID_CPU_ID;
return VERR_INVALID_CPU_ID;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GMM_FREE_PAGES:
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_CPU_ID;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
if (u64Arg)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GMM_SEED_CHUNK:
if (pReqHdr)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_CPU_ID;
if (u64Arg)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_CPU_ID;
if (u64Arg)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_CPU_ID;
if ( u64Arg
|| pReqHdr)
return VERR_INVALID_PARAMETER;
#ifdef VBOX_WITH_PAGE_SHARING
return VERR_INVALID_CPU_ID;
if ( u64Arg
|| pReqHdr)
return VERR_INVALID_PARAMETER;
/* Make sure that log flushes can jump back to ring-3; annoying to get an incomplete log (this is risky though as the code doesn't take this into account). */
# ifdef DEBUG_sandervl
rc = vmmR0CallRing3SetJmp(&pVCpu->vmm.s.CallRing3JmpBufR0, GMMR0CheckSharedModules, pVM, pVCpu); /* this may resume code. */
|| (rc == VINF_VMM_CALL_HOST && pVCpu->vmm.s.enmCallRing3Operation == VMMCALLRING3_VMM_LOGGER_FLUSH));
return rc;
if (u64Arg)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_GCFGM_SET_VALUE:
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
int rc;
return rc;
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
case VMMR0_DO_INTNET_OPEN:
return VERR_INVALID_PARAMETER;
case VMMR0_DO_INTNET_IF_CLOSE:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFCLOSEREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFGETBUFFERPTRSREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETMACADDRESSREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETACTIVEREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_INTNET_IF_SEND:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSENDREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_INTNET_IF_WAIT:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFWAITREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFWAITREQ)pReqHdr)->pSession, pSession) || idCpu != NIL_VMCPUID)
return VERR_INVALID_PARAMETER;
case VMMR0_DO_NOP:
case VMMR0_DO_SLOW_NOP:
return VINF_SUCCESS;
case VMMR0_DO_TESTS:
return VINF_SUCCESS;
#if HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
return VERR_INVALID_CPU_ID;
return VERR_NOT_SUPPORTED;
typedef struct VMMR0ENTRYEXARGS
VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION pSession)
switch (enmOperation)
case VMMR0_DO_GMM_FREE_PAGES:
case VMMR0_DO_VMMR0_INIT:
case VMMR0_DO_VMMR0_TERM:
#ifdef LOG_ENABLED
# ifdef DEBUG
# ifdef DEBUG
if (pVCpu)
# ifdef RT_ARCH_X86
# ifdef DEBUG
# ifdef DEBUG
#ifdef LOG_ENABLED
#ifdef LOG_ENABLED
if (pVM)
if (pVCpu)
#ifdef RT_ARCH_X86
#ifdef RT_OS_LINUX
DECLEXPORT(void) RTCALL RTAssertMsg1Weak(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
if (pVM)
return cbChars;
if (pLog)
if (pVM)
RTStrPrintfV(pVM->vmm.s.szRing0AssertMsg2, sizeof(pVM->vmm.s.szRing0AssertMsg2), pszFormat, vaCopy);