/**
* The global 1 halt method - VMR3NotifyFF() worker.
*
* @param pUVCpu Pointer to the user mode VMCPU structure.
* @param fFlags Notification flags, VMNOTIFYFF_FLAGS_*.
*/
static DECLCALLBACK(void) vmR3HaltGlobal1NotifyCpuFF(PUVMCPU pUVCpu, uint32_t fFlags)
{
if (pUVCpu->vm.s.fWait)
{
int rc = SUPR3CallVMMR0Ex(pUVCpu->pVM->pVMR0, pUVCpu->idCpu, VMMR0_DO_GVMM_SCHED_WAKE_UP, 0, NULL);
AssertRC(rc);
}
else if ( ( (fFlags & VMNOTIFYFF_FLAGS_POKE)
|| !(fFlags & VMNOTIFYFF_FLAGS_DONE_REM))
&& pUVCpu->pVCpu)
{
VMCPUSTATE enmState = VMCPU_GET_STATE(pUVCpu->pVCpu);
if (enmState == VMCPUSTATE_STARTED_EXEC)
{
if (fFlags & VMNOTIFYFF_FLAGS_POKE)
{
int rc = SUPR3CallVMMR0Ex(pUVCpu->pVM->pVMR0, pUVCpu->idCpu, VMMR0_DO_GVMM_SCHED_POKE, 0, NULL);
AssertRC(rc);
}
}
#ifdef VBOX_WITH_REM
else if (enmState == VMCPUSTATE_STARTED_EXEC_REM)
{
if (!(fFlags & VMNOTIFYFF_FLAGS_DONE_REM))
REMR3NotifyFF(pUVCpu->pVM);
}
#endif
}
}
/**
* The global 1 halt method - VMR3Wait() worker.
*
* @returns VBox status code.
* @param pUVCpu Pointer to the user mode VMCPU structure.
*/
static DECLCALLBACK(int) vmR3HaltGlobal1Wait(PUVMCPU pUVCpu)
{
ASMAtomicWriteBool(&pUVCpu->vm.s.fWait, true);
PVM pVM = pUVCpu->pUVM->pVM;
PVMCPU pVCpu = VMMGetCpu(pVM);
Assert(pVCpu->idCpu == pUVCpu->idCpu);
int rc = VINF_SUCCESS;
for (;;)
{
/*
* Check Relevant FFs.
*/
if ( VM_FF_ISPENDING(pVM, VM_FF_EXTERNAL_SUSPENDED_MASK)
|| VMCPU_FF_ISPENDING(pVCpu, VMCPU_FF_EXTERNAL_SUSPENDED_MASK))
break;
/*
* Wait for a while. Someone will wake us up or interrupt the call if
* anything needs our attention.
*/
rc = SUPR3CallVMMR0Ex(pVM->pVMR0, pVCpu->idCpu, VMMR0_DO_GVMM_SCHED_HALT, RTTimeNanoTS() + 1000000000 /* +1s */, NULL);
if (rc == VERR_INTERRUPTED)
rc = VINF_SUCCESS;
else if (RT_FAILURE(rc))
{
rc = vmR3FatalWaitError(pUVCpu, "VMMR0_DO_GVMM_SCHED_HALT->%Rrc\n", rc);
break;
}
}
ASMAtomicUoWriteBool(&pUVCpu->vm.s.fWait, false);
return rc;
}
/**
* @see GMMR0QueryVMMMemoryStatsReq
*/
GMMR3DECL(int) GMMR3QueryHypervisorMemoryStats(PVM pVM, uint64_t *pcTotalAllocPages, uint64_t *pcTotalFreePages, uint64_t *pcTotalBalloonPages, uint64_t *puTotalBalloonSize)
{
GMMMEMSTATSREQ Req;
Req.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
Req.Hdr.cbReq = sizeof(Req);
Req.cAllocPages = 0;
Req.cFreePages = 0;
Req.cBalloonedPages = 0;
Req.cSharedPages = 0;
*pcTotalAllocPages = 0;
*pcTotalFreePages = 0;
*pcTotalBalloonPages = 0;
*puTotalBalloonSize = 0;
/* Must be callable from any thread, so can't use VMMR3CallR0. */
int rc = SUPR3CallVMMR0Ex(pVM->pVMR0, NIL_VMCPUID, VMMR0_DO_GMM_QUERY_HYPERVISOR_MEM_STATS, 0, &Req.Hdr);
if (rc == VINF_SUCCESS)
{
*pcTotalAllocPages = Req.cAllocPages;
*pcTotalFreePages = Req.cFreePages;
*pcTotalBalloonPages = Req.cBalloonedPages;
*puTotalBalloonSize = Req.cSharedPages;
}
return rc;
}
VBoxNetBaseService::~VBoxNetBaseService()
{
/*
* Close the interface connection.
*/
if (m)
{
shutdown();
if (m->m_hIf != INTNET_HANDLE_INVALID)
{
INTNETIFCLOSEREQ CloseReq;
CloseReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
CloseReq.Hdr.cbReq = sizeof(CloseReq);
CloseReq.pSession = m->m_pSession;
CloseReq.hIf = m->m_hIf;
m->m_hIf = INTNET_HANDLE_INVALID;
int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_CLOSE, 0, &CloseReq.Hdr);
AssertRC(rc);
}
if (m->m_pSession != NIL_RTR0PTR)
{
SUPR3Term(false /*fForced*/);
m->m_pSession = NIL_RTR0PTR;
}
RTCritSectDelete(&m->m_csThis);
delete m;
m = NULL;
}
}
/**
* Flushes the send buffer.
*
* @returns VBox status code.
* @param pSession The support driver session.
* @param hIf The interface handle to flush.
*/
int VBoxNetIntIfFlush(PSUPDRVSESSION pSession, INTNETIFHANDLE hIf)
{
INTNETIFSENDREQ SendReq;
SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
SendReq.Hdr.cbReq = sizeof(SendReq);
SendReq.pSession = pSession;
SendReq.hIf = hIf;
return SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_SEND, 0, &SendReq.Hdr);
}
/**
* forcible ask for send packet on the "wire"
*/
void VBoxNetBaseService::flushWire()
{
INTNETIFSENDREQ SendReq;
SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
SendReq.Hdr.cbReq = sizeof(SendReq);
SendReq.pSession = m->m_pSession;
SendReq.hIf = m->m_hIf;
int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_SEND, 0, &SendReq.Hdr);
AssertRCReturnVoid(rc);
LogFlowFuncLeave();
}
/**
* @see GMMR0FindDuplicatePage
*/
GMMR3DECL(bool) GMMR3IsDuplicatePage(PVM pVM, uint32_t idPage)
{
GMMFINDDUPLICATEPAGEREQ Req;
Req.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
Req.Hdr.cbReq = sizeof(Req);
Req.idPage = idPage;
Req.fDuplicate = false;
/* Must be callable from any thread, so can't use VMMR3CallR0. */
int rc = SUPR3CallVMMR0Ex(pVM->pVMR0, NIL_VMCPUID, VMMR0_DO_GMM_FIND_DUPLICATE_PAGE, 0, &Req.Hdr);
if (rc == VINF_SUCCESS)
return Req.fDuplicate;
return false;
}
int VBoxNetBaseService::abortWait()
{
INTNETIFABORTWAITREQ AbortReq;
LogFlowFunc(("ENTER:\n"));
AbortReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
AbortReq.Hdr.cbReq = sizeof(AbortReq);
AbortReq.pSession = m->m_pSession;
AbortReq.hIf = m->m_hIf;
AbortReq.fNoMoreWaits = true;
int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_ABORT_WAIT, 0, &AbortReq.Hdr);
LogFlowFuncLeaveRC(rc);
return rc;
}
int VBoxNetBaseService::waitForIntNetEvent(int cMillis)
{
INTNETIFWAITREQ WaitReq;
LogFlowFunc(("ENTER:cMillis: %d\n", cMillis));
WaitReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
WaitReq.Hdr.cbReq = sizeof(WaitReq);
WaitReq.pSession = m->m_pSession;
WaitReq.hIf = m->m_hIf;
WaitReq.cMillies = cMillis;
int rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_WAIT, 0, &WaitReq.Hdr);
LogFlowFuncLeaveRC(rc);
return rc;
}
int main(int argc, char **argv)
{
int rcRet = 0;
int i;
int rc;
int cIterations = argc > 1 ? RTStrToUInt32(argv[1]) : 32;
if (cIterations == 0)
cIterations = 64;
/*
* Init.
*/
RTR3InitExe(argc, &argv, 0);
PSUPDRVSESSION pSession;
rc = SUPR3Init(&pSession);
rcRet += rc != 0;
RTPrintf("tstInt: SUPR3Init -> rc=%Rrc\n", rc);
char szFile[RTPATH_MAX];
if (!rc)
{
rc = RTPathExecDir(szFile, sizeof(szFile) - sizeof("/VMMR0.r0"));
}
char szAbsFile[RTPATH_MAX];
if (RT_SUCCESS(rc))
{
strcat(szFile, "/VMMR0.r0");
rc = RTPathAbs(szFile, szAbsFile, sizeof(szAbsFile));
}
if (RT_SUCCESS(rc))
{
/*
* Load VMM code.
*/
rc = SUPR3LoadVMM(szAbsFile);
if (RT_SUCCESS(rc))
{
/*
* Create a fake 'VM'.
*/
PVMR0 pVMR0 = NIL_RTR0PTR;
PVM pVM = NULL;
const unsigned cPages = RT_ALIGN_Z(sizeof(*pVM), PAGE_SIZE) >> PAGE_SHIFT;
PSUPPAGE paPages = (PSUPPAGE)RTMemAllocZ(cPages * sizeof(SUPPAGE));
if (paPages)
rc = SUPR3LowAlloc(cPages, (void **)&pVM, &pVMR0, &paPages[0]);
else
rc = VERR_NO_MEMORY;
if (RT_SUCCESS(rc))
{
pVM->pVMRC = 0;
pVM->pVMR3 = pVM;
pVM->pVMR0 = pVMR0;
pVM->paVMPagesR3 = paPages;
pVM->pSession = pSession;
pVM->enmVMState = VMSTATE_CREATED;
rc = SUPR3SetVMForFastIOCtl(pVMR0);
if (!rc)
{
/*
* Call VMM code with invalid function.
*/
for (i = cIterations; i > 0; i--)
{
rc = SUPR3CallVMMR0(pVMR0, NIL_VMCPUID, VMMR0_DO_SLOW_NOP, NULL);
if (rc != VINF_SUCCESS)
{
RTPrintf("tstInt: SUPR3CallVMMR0 -> rc=%Rrc i=%d Expected VINF_SUCCESS!\n", rc, i);
rcRet++;
break;
}
}
RTPrintf("tstInt: Performed SUPR3CallVMMR0 %d times (rc=%Rrc)\n", cIterations, rc);
/*
* The fast path.
*/
if (rc == VINF_SUCCESS)
{
RTTimeNanoTS();
uint64_t StartTS = RTTimeNanoTS();
uint64_t StartTick = ASMReadTSC();
uint64_t MinTicks = UINT64_MAX;
for (i = 0; i < 1000000; i++)
{
uint64_t OneStartTick = ASMReadTSC();
rc = SUPR3CallVMMR0Fast(pVMR0, VMMR0_DO_NOP, 0);
uint64_t Ticks = ASMReadTSC() - OneStartTick;
if (Ticks < MinTicks)
MinTicks = Ticks;
if (RT_UNLIKELY(rc != VINF_SUCCESS))
{
RTPrintf("tstInt: SUPR3CallVMMR0Fast -> rc=%Rrc i=%d Expected VINF_SUCCESS!\n", rc, i);
rcRet++;
break;
}
}
uint64_t Ticks = ASMReadTSC() - StartTick;
uint64_t NanoSecs = RTTimeNanoTS() - StartTS;
RTPrintf("tstInt: SUPR3CallVMMR0Fast - %d iterations in %llu ns / %llu ticks. %llu ns / %#llu ticks per iteration. Min %llu ticks.\n",
i, NanoSecs, Ticks, NanoSecs / i, Ticks / i, MinTicks);
/*
* The ordinary path.
*/
RTTimeNanoTS();
StartTS = RTTimeNanoTS();
StartTick = ASMReadTSC();
MinTicks = UINT64_MAX;
for (i = 0; i < 1000000; i++)
{
uint64_t OneStartTick = ASMReadTSC();
rc = SUPR3CallVMMR0Ex(pVMR0, NIL_VMCPUID, VMMR0_DO_SLOW_NOP, 0, NULL);
uint64_t OneTicks = ASMReadTSC() - OneStartTick;
if (OneTicks < MinTicks)
MinTicks = OneTicks;
if (RT_UNLIKELY(rc != VINF_SUCCESS))
{
RTPrintf("tstInt: SUPR3CallVMMR0Ex -> rc=%Rrc i=%d Expected VINF_SUCCESS!\n", rc, i);
rcRet++;
break;
}
}
Ticks = ASMReadTSC() - StartTick;
NanoSecs = RTTimeNanoTS() - StartTS;
RTPrintf("tstInt: SUPR3CallVMMR0Ex - %d iterations in %llu ns / %llu ticks. %llu ns / %#llu ticks per iteration. Min %llu ticks.\n",
i, NanoSecs, Ticks, NanoSecs / i, Ticks / i, MinTicks);
}
}
else
{
RTPrintf("tstInt: SUPR3SetVMForFastIOCtl failed: %Rrc\n", rc);
rcRet++;
}
}
else
{
RTPrintf("tstInt: SUPR3ContAlloc(%#zx,,) failed\n", sizeof(*pVM));
rcRet++;
}
/*
* Unload VMM.
*/
rc = SUPR3UnloadVMM();
if (rc)
{
RTPrintf("tstInt: SUPR3UnloadVMM failed with rc=%Rrc\n", rc);
rcRet++;
}
}
else
{
RTPrintf("tstInt: SUPR3LoadVMM failed with rc=%Rrc\n", rc);
rcRet++;
}
/*
* Terminate.
*/
rc = SUPR3Term(false /*fForced*/);
rcRet += rc != 0;
RTPrintf("tstInt: SUPR3Term -> rc=%Rrc\n", rc);
}
/**
* The emulation thread main function, with Virtual CPU ID for debugging.
*
* @returns Thread exit code.
* @param ThreadSelf The handle to the executing thread.
* @param pUVCpu Pointer to the user mode per-VCpu structure.
* @param idCpu The virtual CPU ID, for backtrace purposes.
*/
int vmR3EmulationThreadWithId(RTTHREAD ThreadSelf, PUVMCPU pUVCpu, VMCPUID idCpu)
{
PUVM pUVM = pUVCpu->pUVM;
int rc;
AssertReleaseMsg(VALID_PTR(pUVM) && pUVM->u32Magic == UVM_MAGIC,
("Invalid arguments to the emulation thread!\n"));
rc = RTTlsSet(pUVM->vm.s.idxTLS, pUVCpu);
AssertReleaseMsgRCReturn(rc, ("RTTlsSet %x failed with %Rrc\n", pUVM->vm.s.idxTLS, rc), rc);
if ( pUVM->pVmm2UserMethods
&& pUVM->pVmm2UserMethods->pfnNotifyEmtInit)
pUVM->pVmm2UserMethods->pfnNotifyEmtInit(pUVM->pVmm2UserMethods, pUVM, pUVCpu);
/*
* The request loop.
*/
rc = VINF_SUCCESS;
Log(("vmR3EmulationThread: Emulation thread starting the days work... Thread=%#x pUVM=%p\n", ThreadSelf, pUVM));
VMSTATE enmBefore = VMSTATE_CREATED; /* (only used for logging atm.) */
for (;;)
{
/*
* During early init there is no pVM, so make a special path
* for that to keep things clearly separate.
*/
if (!pUVM->pVM)
{
/*
* Check for termination first.
*/
if (pUVM->vm.s.fTerminateEMT)
{
rc = VINF_EM_TERMINATE;
break;
}
/*
* Only the first VCPU may initialize the VM during early init
* and must therefore service all VMCPUID_ANY requests.
* See also VMR3Create
*/
if ( (pUVM->vm.s.pNormalReqs || pUVM->vm.s.pPriorityReqs)
&& pUVCpu->idCpu == 0)
{
/*
* Service execute in any EMT request.
*/
rc = VMR3ReqProcessU(pUVM, VMCPUID_ANY, false /*fPriorityOnly*/);
Log(("vmR3EmulationThread: Req rc=%Rrc, VM state %s -> %s\n", rc, VMR3GetStateName(enmBefore), pUVM->pVM ? VMR3GetStateName(pUVM->pVM->enmVMState) : "CREATING"));
}
else if (pUVCpu->vm.s.pNormalReqs || pUVCpu->vm.s.pPriorityReqs)
{
/*
* Service execute in specific EMT request.
*/
rc = VMR3ReqProcessU(pUVM, pUVCpu->idCpu, false /*fPriorityOnly*/);
Log(("vmR3EmulationThread: Req (cpu=%u) rc=%Rrc, VM state %s -> %s\n", pUVCpu->idCpu, rc, VMR3GetStateName(enmBefore), pUVM->pVM ? VMR3GetStateName(pUVM->pVM->enmVMState) : "CREATING"));
}
else
{
/*
* Nothing important is pending, so wait for something.
*/
rc = VMR3WaitU(pUVCpu);
if (RT_FAILURE(rc))
{
AssertLogRelMsgFailed(("VMR3WaitU failed with %Rrc\n", rc));
break;
}
}
}
else
{
/*
* Pending requests which needs servicing?
*
* We check for state changes in addition to status codes when
* servicing requests. (Look after the ifs.)
*/
PVM pVM = pUVM->pVM;
enmBefore = pVM->enmVMState;
if (pUVM->vm.s.fTerminateEMT)
{
rc = VINF_EM_TERMINATE;
break;
}
if (VM_FF_ISPENDING(pVM, VM_FF_EMT_RENDEZVOUS))
{
rc = VMMR3EmtRendezvousFF(pVM, &pVM->aCpus[idCpu]);
Log(("vmR3EmulationThread: Rendezvous rc=%Rrc, VM state %s -> %s\n", rc, VMR3GetStateName(enmBefore), VMR3GetStateName(pVM->enmVMState)));
}
else if (pUVM->vm.s.pNormalReqs || pUVM->vm.s.pPriorityReqs)
{
/*
* Service execute in any EMT request.
*/
rc = VMR3ReqProcessU(pUVM, VMCPUID_ANY, false /*fPriorityOnly*/);
Log(("vmR3EmulationThread: Req rc=%Rrc, VM state %s -> %s\n", rc, VMR3GetStateName(enmBefore), VMR3GetStateName(pVM->enmVMState)));
}
else if (pUVCpu->vm.s.pNormalReqs || pUVCpu->vm.s.pPriorityReqs)
{
/*
* Service execute in specific EMT request.
*/
rc = VMR3ReqProcessU(pUVM, pUVCpu->idCpu, false /*fPriorityOnly*/);
Log(("vmR3EmulationThread: Req (cpu=%u) rc=%Rrc, VM state %s -> %s\n", pUVCpu->idCpu, rc, VMR3GetStateName(enmBefore), VMR3GetStateName(pVM->enmVMState)));
}
else if (VM_FF_ISSET(pVM, VM_FF_DBGF))
{
/*
* Service the debugger request.
*/
rc = DBGFR3VMMForcedAction(pVM);
Log(("vmR3EmulationThread: Dbg rc=%Rrc, VM state %s -> %s\n", rc, VMR3GetStateName(enmBefore), VMR3GetStateName(pVM->enmVMState)));
}
else if (VM_FF_TESTANDCLEAR(pVM, VM_FF_RESET))
{
/*
* Service a delayed reset request.
*/
rc = VMR3Reset(pVM);
VM_FF_CLEAR(pVM, VM_FF_RESET);
Log(("vmR3EmulationThread: Reset rc=%Rrc, VM state %s -> %s\n", rc, VMR3GetStateName(enmBefore), VMR3GetStateName(pVM->enmVMState)));
}
else
{
/*
* Nothing important is pending, so wait for something.
*/
rc = VMR3WaitU(pUVCpu);
if (RT_FAILURE(rc))
{
AssertLogRelMsgFailed(("VMR3WaitU failed with %Rrc\n", rc));
break;
}
}
/*
* Check for termination requests, these have extremely high priority.
*/
if ( rc == VINF_EM_TERMINATE
|| pUVM->vm.s.fTerminateEMT)
break;
}
/*
* Some requests (both VMR3Req* and the DBGF) can potentially resume
* or start the VM, in that case we'll get a change in VM status
* indicating that we're now running.
*/
if ( RT_SUCCESS(rc)
&& pUVM->pVM)
{
PVM pVM = pUVM->pVM;
PVMCPU pVCpu = &pVM->aCpus[idCpu];
if ( pVM->enmVMState == VMSTATE_RUNNING
&& VMCPUSTATE_IS_STARTED(VMCPU_GET_STATE(pVCpu)))
{
rc = EMR3ExecuteVM(pVM, pVCpu);
Log(("vmR3EmulationThread: EMR3ExecuteVM() -> rc=%Rrc, enmVMState=%d\n", rc, pVM->enmVMState));
if (EMGetState(pVCpu) == EMSTATE_GURU_MEDITATION)
vmR3SetGuruMeditation(pVM);
}
}
} /* forever */
/*
* Cleanup and exit.
*/
Log(("vmR3EmulationThread: Terminating emulation thread! Thread=%#x pUVM=%p rc=%Rrc enmBefore=%d enmVMState=%d\n",
ThreadSelf, pUVM, rc, enmBefore, pUVM->pVM ? pUVM->pVM->enmVMState : VMSTATE_TERMINATED));
if ( idCpu == 0
&& pUVM->pVM)
{
PVM pVM = pUVM->pVM;
vmR3SetTerminated(pVM);
pUVM->pVM = NULL;
/** @todo SMP: This isn't 100% safe. We should wait for the other
* threads to finish before destroy the VM. */
int rc2 = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_GVMM_DESTROY_VM, 0, NULL);
AssertLogRelRC(rc2);
}
if ( pUVM->pVmm2UserMethods
&& pUVM->pVmm2UserMethods->pfnNotifyEmtTerm)
pUVM->pVmm2UserMethods->pfnNotifyEmtTerm(pUVM->pVmm2UserMethods, pUVM, pUVCpu);
pUVCpu->vm.s.NativeThreadEMT = NIL_RTNATIVETHREAD;
Log(("vmR3EmulationThread: EMT is terminated.\n"));
return rc;
}
/**
* The global 1 halt method - Block in GMM (ring-0) and let it
* try take care of the global scheduling of EMT threads.
*/
static DECLCALLBACK(int) vmR3HaltGlobal1Halt(PUVMCPU pUVCpu, const uint32_t fMask, uint64_t u64Now)
{
PUVM pUVM = pUVCpu->pUVM;
PVMCPU pVCpu = pUVCpu->pVCpu;
PVM pVM = pUVCpu->pVM;
Assert(VMMGetCpu(pVM) == pVCpu);
NOREF(u64Now);
/*
* Halt loop.
*/
//uint64_t u64NowLog, u64Start;
//u64Start = u64NowLog = RTTimeNanoTS();
int rc = VINF_SUCCESS;
ASMAtomicWriteBool(&pUVCpu->vm.s.fWait, true);
unsigned cLoops = 0;
for (;; cLoops++)
{
/*
* Work the timers and check if we can exit.
*/
uint64_t const u64StartTimers = RTTimeNanoTS();
TMR3TimerQueuesDo(pVM);
uint64_t const cNsElapsedTimers = RTTimeNanoTS() - u64StartTimers;
STAM_REL_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltTimers, cNsElapsedTimers);
if ( VM_FF_ISPENDING(pVM, VM_FF_EXTERNAL_HALTED_MASK)
|| VMCPU_FF_ISPENDING(pVCpu, fMask))
break;
/*
* Estimate time left to the next event.
*/
//u64NowLog = RTTimeNanoTS();
uint64_t u64Delta;
uint64_t u64GipTime = TMTimerPollGIP(pVM, pVCpu, &u64Delta);
if ( VM_FF_ISPENDING(pVM, VM_FF_EXTERNAL_HALTED_MASK)
|| VMCPU_FF_ISPENDING(pVCpu, fMask))
break;
/*
* Block if we're not spinning and the interval isn't all that small.
*/
if (u64Delta >= pUVM->vm.s.Halt.Global1.cNsSpinBlockThresholdCfg)
{
VMMR3YieldStop(pVM);
if ( VM_FF_ISPENDING(pVM, VM_FF_EXTERNAL_HALTED_MASK)
|| VMCPU_FF_ISPENDING(pVCpu, fMask))
break;
//RTLogPrintf("loop=%-3d u64GipTime=%'llu / %'llu now=%'llu / %'llu\n", cLoops, u64GipTime, u64Delta, u64NowLog, u64GipTime - u64NowLog);
uint64_t const u64StartSchedHalt = RTTimeNanoTS();
rc = SUPR3CallVMMR0Ex(pVM->pVMR0, pVCpu->idCpu, VMMR0_DO_GVMM_SCHED_HALT, u64GipTime, NULL);
uint64_t const u64EndSchedHalt = RTTimeNanoTS();
uint64_t const cNsElapsedSchedHalt = u64EndSchedHalt - u64StartSchedHalt;
STAM_REL_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltBlock, cNsElapsedSchedHalt);
if (rc == VERR_INTERRUPTED)
rc = VINF_SUCCESS;
else if (RT_FAILURE(rc))
{
rc = vmR3FatalWaitError(pUVCpu, "VMMR0_DO_GVMM_SCHED_HALT->%Rrc\n", rc);
break;
}
else
{
int64_t const cNsOverslept = u64EndSchedHalt - u64GipTime;
if (cNsOverslept > 50000)
STAM_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltBlockOverslept, cNsOverslept);
else if (cNsOverslept < -50000)
STAM_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltBlockInsomnia, cNsElapsedSchedHalt);
else
STAM_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltBlockOnTime, cNsElapsedSchedHalt);
}
}
/*
* When spinning call upon the GVMM and do some wakups once
* in a while, it's not like we're actually busy or anything.
*/
else if (!(cLoops & 0x1fff))
{
uint64_t const u64StartSchedYield = RTTimeNanoTS();
rc = SUPR3CallVMMR0Ex(pVM->pVMR0, pVCpu->idCpu, VMMR0_DO_GVMM_SCHED_POLL, false /* don't yield */, NULL);
uint64_t const cNsElapsedSchedYield = RTTimeNanoTS() - u64StartSchedYield;
STAM_REL_PROFILE_ADD_PERIOD(&pUVCpu->vm.s.StatHaltYield, cNsElapsedSchedYield);
}
}
//RTLogPrintf("*** %u loops %'llu; lag=%RU64\n", cLoops, u64NowLog - u64Start, TMVirtualSyncGetLag(pVM));
ASMAtomicUoWriteBool(&pUVCpu->vm.s.fWait, false);
return rc;
}
int VBoxNetBaseService::tryGoOnline(void)
{
/*
* Open the session, load ring-0 and issue the request.
*/
int rc = SUPR3Init(&m->m_pSession);
if (RT_FAILURE(rc))
{
m->m_pSession = NIL_RTR0PTR;
LogRel(("VBoxNetBaseService: SUPR3Init -> %Rrc\n", rc));
return rc;
}
char szPath[RTPATH_MAX];
rc = RTPathExecDir(szPath, sizeof(szPath) - sizeof("/VMMR0.r0"));
if (RT_FAILURE(rc))
{
LogRel(("VBoxNetBaseService: RTPathExecDir -> %Rrc\n", rc));
return rc;
}
rc = SUPR3LoadVMM(strcat(szPath, "/VMMR0.r0"));
if (RT_FAILURE(rc))
{
LogRel(("VBoxNetBaseService: SUPR3LoadVMM(\"%s\") -> %Rrc\n", szPath, rc));
return rc;
}
/*
* Create the open request.
*/
PINTNETBUF pBuf;
INTNETOPENREQ OpenReq;
OpenReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
OpenReq.Hdr.cbReq = sizeof(OpenReq);
OpenReq.pSession = m->m_pSession;
RTStrCopy(OpenReq.szNetwork, sizeof(OpenReq.szNetwork), m->m_NetworkName.c_str());
OpenReq.szNetwork[sizeof(OpenReq.szNetwork) - 1] = '\0';
RTStrCopy(OpenReq.szTrunk, sizeof(OpenReq.szTrunk), m->m_TrunkName.c_str());
OpenReq.szTrunk[sizeof(OpenReq.szTrunk) - 1] = '\0';
OpenReq.enmTrunkType = m->m_enmTrunkType;
OpenReq.fFlags = 0; /** @todo check this */
OpenReq.cbSend = m->m_cbSendBuf;
OpenReq.cbRecv = m->m_cbRecvBuf;
OpenReq.hIf = INTNET_HANDLE_INVALID;
/*
* Issue the request.
*/
Log2(("attempting to open/create network \"%s\"...\n", OpenReq.szNetwork));
rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_OPEN, 0, &OpenReq.Hdr);
if (RT_FAILURE(rc))
{
Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_OPEN,) failed, rc=%Rrc\n", rc));
return rc;
}
m->m_hIf = OpenReq.hIf;
Log2(("successfully opened/created \"%s\" - hIf=%#x\n", OpenReq.szNetwork, m->m_hIf));
/*
* Get the ring-3 address of the shared interface buffer.
*/
INTNETIFGETBUFFERPTRSREQ GetBufferPtrsReq;
GetBufferPtrsReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
GetBufferPtrsReq.Hdr.cbReq = sizeof(GetBufferPtrsReq);
GetBufferPtrsReq.pSession = m->m_pSession;
GetBufferPtrsReq.hIf = m->m_hIf;
GetBufferPtrsReq.pRing3Buf = NULL;
GetBufferPtrsReq.pRing0Buf = NIL_RTR0PTR;
rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS, 0, &GetBufferPtrsReq.Hdr);
if (RT_FAILURE(rc))
{
Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS,) failed, rc=%Rrc\n", rc));
return rc;
}
pBuf = GetBufferPtrsReq.pRing3Buf;
Log2(("pBuf=%p cbBuf=%d cbSend=%d cbRecv=%d\n",
pBuf, pBuf->cbBuf, pBuf->cbSend, pBuf->cbRecv));
m->m_pIfBuf = pBuf;
/*
* Activate the interface.
*/
INTNETIFSETACTIVEREQ ActiveReq;
ActiveReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
ActiveReq.Hdr.cbReq = sizeof(ActiveReq);
ActiveReq.pSession = m->m_pSession;
ActiveReq.hIf = m->m_hIf;
ActiveReq.fActive = true;
rc = SUPR3CallVMMR0Ex(NIL_RTR0PTR, NIL_VMCPUID, VMMR0_DO_INTNET_IF_SET_ACTIVE, 0, &ActiveReq.Hdr);
if (RT_SUCCESS(rc))
return 0;
/* bail out */
Log2(("VBoxNetBaseService: SUPR3CallVMMR0Ex(,VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,) failed, rc=%Rrc\n", rc));
/* ignore this error */
return VINF_SUCCESS;
}