VMMR0.cpp revision 1553bf60f36536439daab34484c0fede780b2e67
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync/* $Id$ */
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync/** @file
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * VMM - Host Context Ring 0.
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync */
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync/*
772269936494ffaddd0750ba9e28e805ba81398cvboxsync * Copyright (C) 2006 InnoTek Systemberatung GmbH
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync *
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * available from http://www.virtualbox.org. This file is free software;
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * you can redistribute it and/or modify it under the terms of the GNU
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * General Public License as published by the Free Software Foundation,
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * distribution. VirtualBox OSE is distributed in the hope that it will
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * be useful, but WITHOUT ANY WARRANTY of any kind.
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync *
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * If you received this file as part of a commercial VirtualBox
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync * distribution, then only the terms of your commercial VirtualBox
772269936494ffaddd0750ba9e28e805ba81398cvboxsync * license agreement apply instead of the previous paragraph.
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync */
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync
2305bc3992bdea24236ad2d12fed48144eaa6db5vboxsync
cd8e45740d45f24639c33ae7c61fee5ef2ea856fvboxsync/*******************************************************************************
cd8e45740d45f24639c33ae7c61fee5ef2ea856fvboxsync* Header Files *
cd8e45740d45f24639c33ae7c61fee5ef2ea856fvboxsync*******************************************************************************/
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync#define LOG_GROUP LOG_GROUP_VMM
772269936494ffaddd0750ba9e28e805ba81398cvboxsync#ifdef __AMD64__ /** @todo fix logging on __AMD64__ (swapgs) */
88b7935c7a9d5156b439570abcea19c121ecf60bvboxsync# define LOG_DISABLED
#endif
#include <VBox/vmm.h>
#include <VBox/sup.h>
#include <VBox/trpm.h>
#include <VBox/cpum.h>
#include <VBox/stam.h>
#include <VBox/tm.h>
#include "VMMInternal.h"
#include <VBox/vm.h>
#include <VBox/intnet.h>
#include <VBox/hwaccm.h>
#include <VBox/err.h>
#include <VBox/version.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#if defined(_MSC_VER) && defined(__AMD64__) /** @todo check this with with VC7! */
# pragma intrinsic(_AddressOfReturnAddress)
#endif
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static int VMMR0Init(PVM pVM, unsigned uVersion);
static int VMMR0Term(PVM pVM);
__BEGIN_DECLS
VMMR0DECL(int) ModuleInit(void);
VMMR0DECL(void) ModuleTerm(void);
__END_DECLS
//#define DEBUG_NO_RING0_ASSERTIONS
#ifdef DEBUG_NO_RING0_ASSERTIONS
static PVM g_pVMAssert = 0;
#endif
/*******************************************************************************
* Global Variables *
*******************************************************************************/
#ifndef __AMD64__ /* doesn't link here */
/** Pointer to the internal networking service instance. */
PINTNET g_pIntNet = 0;
#endif
/**
* Initialize the module.
* This is called when we're first loaded.
*
* @returns 0 on success.
* @returns VBox status on failure.
*/
VMMR0DECL(int) ModuleInit(void)
{
#ifndef __AMD64__ /* doesn't link here */
LogFlow(("ModuleInit: g_pIntNet=%p\n", g_pIntNet));
g_pIntNet = NULL;
LogFlow(("ModuleInit: g_pIntNet=%p should be NULL now...\n", g_pIntNet));
int rc = INTNETR0Create(&g_pIntNet);
if (VBOX_SUCCESS(rc))
{
LogFlow(("ModuleInit: returns success. g_pIntNet=%p\n", g_pIntNet));
return 0;
}
g_pIntNet = NULL;
LogFlow(("ModuleTerm: returns %Vrc\n", rc));
return rc;
#else
return 0;
#endif
}
/**
* Terminate the module.
* This is called when we're finally unloaded.
*/
VMMR0DECL(void) ModuleTerm(void)
{
#ifndef __AMD64__ /* doesn't link here */
LogFlow(("ModuleTerm:\n"));
if (g_pIntNet)
{
INTNETR0Destroy(g_pIntNet);
g_pIntNet = NULL;
}
LogFlow(("ModuleTerm: returns\n"));
#endif
}
/**
* Initaties the R0 driver for a particular VM instance.
*
* @returns VBox status code.
*
* @param pVM The VM instance in question.
* @param uVersion The minimum module version required.
*/
static int VMMR0Init(PVM pVM, unsigned uVersion)
{
/*
* Check if compatible version.
*/
if ( uVersion != VBOX_VERSION
&& ( VBOX_GET_VERSION_MAJOR(uVersion) != VBOX_VERSION_MAJOR
|| VBOX_GET_VERSION_MINOR(uVersion) < VBOX_VERSION_MINOR))
return VERR_VERSION_MISMATCH;
if ( !VALID_PTR(pVM)
|| pVM->pVMR0 != pVM)
return VERR_INVALID_PARAMETER;
/*
* Register the EMT R0 logger instance.
*/
PVMMR0LOGGER pR0Logger = pVM->vmm.s.pR0Logger;
if (pR0Logger)
{
#if 0 /* testing of the logger. */
LogCom(("VMMR0Init: before %p\n", RTLogDefaultInstance()));
LogCom(("VMMR0Init: pfnFlush=%p actual=%p\n", pR0Logger->Logger.pfnFlush, vmmR0LoggerFlush));
LogCom(("VMMR0Init: pfnLogger=%p actual=%p\n", pR0Logger->Logger.pfnLogger, vmmR0LoggerWrapper));
LogCom(("VMMR0Init: offScratch=%d fFlags=%#x fDestFlags=%#x\n", pR0Logger->Logger.offScratch, pR0Logger->Logger.fFlags, pR0Logger->Logger.fDestFlags));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
LogCom(("VMMR0Init: after %p reg\n", RTLogDefaultInstance()));
RTLogSetDefaultInstanceThread(NULL, 0);
LogCom(("VMMR0Init: after %p dereg\n", RTLogDefaultInstance()));
pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
LogCom(("VMMR0Init: returned succesfully from direct logger call.\n"));
pR0Logger->Logger.pfnFlush(&pR0Logger->Logger);
LogCom(("VMMR0Init: returned succesfully from direct flush call.\n"));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
LogCom(("VMMR0Init: after %p reg2\n", RTLogDefaultInstance()));
pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
LogCom(("VMMR0Init: returned succesfully from direct logger call (2). offScratch=%d\n", pR0Logger->Logger.offScratch));
RTLogSetDefaultInstanceThread(NULL, 0);
LogCom(("VMMR0Init: after %p dereg2\n", RTLogDefaultInstance()));
RTLogLoggerEx(&pR0Logger->Logger, 0, ~0U, "hello ring-0 logger (RTLogLoggerEx)\n");
LogCom(("VMMR0Init: RTLogLoggerEx returned fine offScratch=%d\n", pR0Logger->Logger.offScratch));
#endif
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
}
/*
* Init VMXM.
*/
HWACCMR0Init(pVM);
/*
* Init CPUM.
*/
int rc = CPUMR0Init(pVM);
if (RT_FAILURE(rc))
RTLogSetDefaultInstanceThread(NULL, 0);
return rc;
}
/**
* Terminates the R0 driver for a particular VM instance.
*
* @returns VBox status code.
*
* @param pVM The VM instance in question.
*/
static int VMMR0Term(PVM pVM)
{
/*
* Deregister the logger.
*/
RTLogSetDefaultInstanceThread(NULL, 0);
return VINF_SUCCESS;
}
/**
* Calls the ring-3 host code.
*
* @returns VBox status code of the ring-3 call.
* @param pVM The VM handle.
* @param enmOperation The operation.
* @param uArg The argument to the operation.
*/
VMMR0DECL(int) VMMR0CallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg)
{
/** @todo profile this! */
pVM->vmm.s.enmCallHostOperation = enmOperation;
pVM->vmm.s.u64CallHostArg = uArg;
pVM->vmm.s.rcCallHost = VERR_INTERNAL_ERROR;
int rc = vmmR0CallHostLongJmp(&pVM->vmm.s.CallHostR0JmpBuf, VINF_VMM_CALL_HOST);
if (rc == VINF_SUCCESS)
rc = pVM->vmm.s.rcCallHost;
return rc;
}
#ifdef VBOX_WITH_STATISTICS
/**
* Record return code statistics
* @param pVM The VM handle.
* @param rc The status code.
*/
static void vmmR0RecordRC(PVM pVM, int rc)
{
/*
* Collect statistics.
*/
switch (rc)
{
case VINF_SUCCESS:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetNormal);
break;
case VINF_EM_RAW_INTERRUPT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetInterrupt);
break;
case VINF_EM_RAW_INTERRUPT_HYPER:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetInterruptHyper);
break;
case VINF_EM_RAW_GUEST_TRAP:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetGuestTrap);
break;
case VINF_EM_RAW_RING_SWITCH:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetRingSwitch);
break;
case VINF_EM_RAW_RING_SWITCH_INT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetRingSwitchInt);
break;
case VINF_EM_RAW_EXCEPTION_PRIVILEGED:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetExceptionPrivilege);
break;
case VINF_EM_RAW_STALE_SELECTOR:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetStaleSelector);
break;
case VINF_EM_RAW_IRET_TRAP:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetIRETTrap);
break;
case VINF_IOM_HC_IOPORT_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetIORead);
break;
case VINF_IOM_HC_IOPORT_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetIOWrite);
break;
case VINF_IOM_HC_IOPORT_READWRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetIOReadWrite);
break;
case VINF_IOM_HC_MMIO_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMMIORead);
break;
case VINF_IOM_HC_MMIO_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMMIOWrite);
break;
case VINF_IOM_HC_MMIO_READ_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMMIOReadWrite);
break;
case VINF_PATM_HC_MMIO_PATCH_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMMIOPatchRead);
break;
case VINF_PATM_HC_MMIO_PATCH_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMMIOPatchWrite);
break;
case VINF_EM_RAW_EMULATE_INSTR:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetEmulate);
break;
case VINF_PATCH_EMULATE_INSTR:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPatchEmulate);
break;
case VINF_EM_RAW_EMULATE_INSTR_LDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetLDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetGDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_IDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetIDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetTSSFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_PD_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPDFault);
break;
case VINF_CSAM_PENDING_ACTION:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetCSAMTask);
break;
case VINF_PGM_SYNC_CR3:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetSyncCR3);
break;
case VINF_PATM_PATCH_INT3:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPatchInt3);
break;
case VINF_PATM_PATCH_TRAP_PF:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPatchPF);
break;
case VINF_PATM_PATCH_TRAP_GP:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPatchGP);
break;
case VINF_PATM_PENDING_IRQ_AFTER_IRET:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPatchIretIRQ);
break;
case VERR_REM_FLUSHED_PAGES_OVERFLOW:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPageOverflow);
break;
case VINF_EM_RESCHEDULE_REM:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetRescheduleREM);
break;
case VINF_EM_RAW_TO_R3:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetToR3);
break;
case VINF_EM_RAW_TIMER_PENDING:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetTimerPending);
break;
case VINF_EM_RAW_INTERRUPT_PENDING:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetInterruptPending);
break;
case VINF_VMM_CALL_HOST:
switch (pVM->vmm.s.enmCallHostOperation)
{
case VMMCALLHOST_PDM_LOCK:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPDMLock);
break;
case VMMCALLHOST_PDM_QUEUE_FLUSH:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPDMQueueFlush);
break;
case VMMCALLHOST_PGM_POOL_GROW:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPGMPoolGrow);
break;
case VMMCALLHOST_PGM_LOCK:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPGMLock);
break;
case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetRemReplay);
break;
case VMMCALLHOST_PGM_RAM_GROW_RANGE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPGMGrowRAM);
break;
case VMMCALLHOST_VMM_LOGGER_FLUSH:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetLogFlush);
break;
case VMMCALLHOST_VM_SET_ERROR:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetVMSetError);
break;
case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetVMSetRuntimeError);
break;
default:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetCallHost);
break;
}
break;
case VINF_PATM_DUPLICATE_FUNCTION:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPATMDuplicateFn);
break;
case VINF_PGM_CHANGE_MODE:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPGMChangeMode);
break;
case VINF_EM_RAW_EMULATE_INSTR_HLT:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetEmulHlt);
break;
case VINF_EM_PENDING_REQUEST:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetPendingRequest);
break;
default:
STAM_COUNTER_INC(&pVM->vmm.s.StatGCRetMisc);
break;
}
}
#endif /* VBOX_WITH_STATISTICS */
/**
* The Ring 0 entry point, called by the support library (SUP).
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param uOperation Which operation to execute. (VMMR0OPERATION)
* @param pvArg Argument to the operation.
*/
VMMR0DECL(int) VMMR0Entry(PVM pVM, unsigned /* make me an enum */ uOperation, void *pvArg)
{
switch (uOperation)
{
/*
* Switch to GC.
* These calls return whatever the GC returns.
*/
case VMMR0_DO_RAW_RUN:
{
/* Safety precaution as VMX disables the switcher. */
Assert(!pVM->vmm.s.fSwitcherDisabled);
if (pVM->vmm.s.fSwitcherDisabled)
return VERR_NOT_SUPPORTED;
STAM_COUNTER_INC(&pVM->vmm.s.StatRunGC);
register int rc;
pVM->vmm.s.iLastGCRc = rc = pVM->vmm.s.pfnR0HostToGuest(pVM);
#ifdef VBOX_WITH_STATISTICS
vmmR0RecordRC(pVM, rc);
#endif
/*
* Check if there is an exit R0 action associated with the return code.
*/
switch (rc)
{
/*
* Default - no action, just return.
*/
default:
#if HC_ARCH_BITS == 64 /* AMD64 debugging - to be removed */
if ((unsigned)rc - 0xc0caff00U > 0xff)
return rc;
/* fall thru */
#else
return rc;
#endif
/*
* We'll let TRPM change the stack frame so our return is different.
* Just keep in mind that after the call, things have changed!
*/
case VINF_EM_RAW_INTERRUPT:
case VINF_EM_RAW_INTERRUPT_HYPER:
{
#ifdef VBOX_WITHOUT_IDT_PATCHING
TRPMR0DispatchHostInterrupt(pVM);
#else /* !VBOX_WITHOUT_IDT_PATCHING */
/*
* Don't trust the compiler to get this right.
* gcc -fomit-frame-pointer screws up big time here. This works fine in 64-bit
* mode too because we push the arguments on the stack in the IDT patch code.
*/
# if defined(__GNUC__)
void *pvRet = (uint8_t *)__builtin_frame_address(0) + sizeof(void *);
# elif defined(_MSC_VER) && defined(__AMD64__) /** @todo check this with with VC7! */
void *pvRet = (uint8_t *)_AddressOfReturnAddress();
# elif defined(__X86__)
void *pvRet = (uint8_t *)&pVM - sizeof(pVM);
# else
# error "huh?"
# endif
if ( ((uintptr_t *)pvRet)[1] == (uintptr_t)pVM
&& ((uintptr_t *)pvRet)[2] == (uintptr_t)uOperation
&& ((uintptr_t *)pvRet)[3] == (uintptr_t)pvArg)
TRPMR0SetupInterruptDispatcherFrame(pVM, pvRet);
else
{
# if defined(DEBUG) || defined(LOG_ENABLED)
static bool s_fHaveWarned = false;
if (!s_fHaveWarned)
{
s_fHaveWarned = true;
//RTLogPrintf("VMMR0.r0: The compiler can't find the stack frame!\n"); -- @todo export me!
RTLogComPrintf("VMMR0.r0: The compiler can't find the stack frame!\n");
}
# endif
TRPMR0DispatchHostInterrupt(pVM);
}
#endif /* !VBOX_WITHOUT_IDT_PATCHING */
return rc;
}
}
/* Won't get here! */
break;
}
/*
* Run guest code using the available hardware acceleration technology.
*/
case VMMR0_DO_HWACC_RUN:
{
int rc;
STAM_COUNTER_INC(&pVM->vmm.s.StatRunGC);
rc = HWACCMR0Enable(pVM);
if (VBOX_SUCCESS(rc))
{
#ifdef DEBUG_NO_RING0_ASSERTIONS
g_pVMAssert = pVM;
#endif
rc = vmmR0CallHostSetJmp(&pVM->vmm.s.CallHostR0JmpBuf, HWACCMR0RunGuestCode, pVM); /* this may resume code. */
#ifdef DEBUG_NO_RING0_ASSERTIONS
g_pVMAssert = 0;
#endif
int rc2 = HWACCMR0Disable(pVM);
AssertRC(rc2);
}
pVM->vmm.s.iLastGCRc = rc;
#ifdef VBOX_WITH_STATISTICS
vmmR0RecordRC(pVM, rc);
#endif
/* No special action required for external interrupts, just return. */
return rc;
}
/*
* Initialize the R0 part of a VM instance.
*/
case VMMR0_DO_VMMR0_INIT:
return VMMR0Init(pVM, (unsigned)(uintptr_t)pvArg);
/*
* Terminate the R0 part of a VM instance.
*/
case VMMR0_DO_VMMR0_TERM:
return VMMR0Term(pVM);
/*
* Setup the hardware accelerated raw-mode session.
*/
case VMMR0_DO_HWACC_SETUP_VM:
return HWACCMR0SetupVMX(pVM);
/*
* Switch to GC to execute Hypervisor function.
*/
case VMMR0_DO_CALL_HYPERVISOR:
{
/* Safety precaution as VMX disables the switcher. */
Assert(!pVM->vmm.s.fSwitcherDisabled);
if (pVM->vmm.s.fSwitcherDisabled)
return VERR_NOT_SUPPORTED;
int rc = pVM->vmm.s.pfnR0HostToGuest(pVM);
return rc;
}
#if !defined(__L4__) && !defined(__AMD64__) /** @todo Port this to L4. */ /** @todo fix logging and other services problems on AMD64. */
/*
* Services.
*/
case VMMR0_DO_INTNET_OPEN:
case VMMR0_DO_INTNET_IF_CLOSE:
case VMMR0_DO_INTNET_IF_GET_RING3_BUFFER:
case VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE:
case VMMR0_DO_INTNET_IF_SEND:
case VMMR0_DO_INTNET_IF_WAIT:
{
/*
* Validate arguments a bit first.
*/
if (!VALID_PTR(pvArg))
return VERR_INVALID_POINTER;
if (!VALID_PTR(pVM))
return VERR_INVALID_POINTER;
if (pVM->pVMR0 != pVM)
return VERR_INVALID_POINTER;
if (!VALID_PTR(pVM->pSession))
return VERR_INVALID_POINTER;
if (!g_pIntNet)
return VERR_FILE_NOT_FOUND; ///@todo fix this status code!
/*
* Unpack the arguments and call the service.
*/
switch (uOperation)
{
case VMMR0_DO_INTNET_OPEN:
{
PINTNETOPENARGS pArgs = (PINTNETOPENARGS)pvArg;
return INTNETR0Open(g_pIntNet, pVM->pSession, &pArgs->szNetwork[0], pArgs->cbSend, pArgs->cbRecv, &pArgs->hIf);
}
case VMMR0_DO_INTNET_IF_CLOSE:
{
PINTNETIFCLOSEARGS pArgs = (PINTNETIFCLOSEARGS)pvArg;
return INTNETR0IfClose(g_pIntNet, pArgs->hIf);
}
case VMMR0_DO_INTNET_IF_GET_RING3_BUFFER:
{
PINTNETIFGETRING3BUFFERARGS pArgs = (PINTNETIFGETRING3BUFFERARGS)pvArg;
return INTNETR0IfGetRing3Buffer(g_pIntNet, pArgs->hIf, &pArgs->pRing3Buf);
}
case VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE:
{
PINTNETIFSETPROMISCUOUSMODEARGS pArgs = (PINTNETIFSETPROMISCUOUSMODEARGS)pvArg;
return INTNETR0IfSetPromiscuousMode(g_pIntNet, pArgs->hIf, pArgs->fPromiscuous);
}
case VMMR0_DO_INTNET_IF_SEND:
{
PINTNETIFSENDARGS pArgs = (PINTNETIFSENDARGS)pvArg;
return INTNETR0IfSend(g_pIntNet, pArgs->hIf, pArgs->pvFrame, pArgs->cbFrame);
}
case VMMR0_DO_INTNET_IF_WAIT:
{
PINTNETIFWAITARGS pArgs = (PINTNETIFWAITARGS)pvArg;
return INTNETR0IfWait(g_pIntNet, pArgs->hIf, pArgs->cMillies);
}
default:
return VERR_NOT_SUPPORTED;
}
}
#endif /* !__L4__ */
/*
* For profiling.
*/
case VMMR0_DO_NOP:
return VINF_SUCCESS;
/*
* For testing Ring-0 APIs invoked in this environment.
*/
case VMMR0_DO_TESTS:
/** @todo make new test */
return VINF_SUCCESS;
default:
/*
* We're returning VERR_NOT_SUPPORT here so we've got something else
* than -1 which the interrupt gate glue code might return.
*/
Log(("operation %#x is not supported\n", uOperation));
return VERR_NOT_SUPPORTED;
}
}
/**
* Internal R0 logger worker: Flush logger.
*
* @param pLogger The logger instance to flush.
* @remark This function must be exported!
*/
VMMR0DECL(void) vmmR0LoggerFlush(PRTLOGGER pLogger)
{
/*
* Convert the pLogger into a VM handle and 'call' back to Ring-3.
* (This is a bit paranoid code.)
*/
PVMMR0LOGGER pR0Logger = (PVMMR0LOGGER)((uintptr_t)pLogger - RT_OFFSETOF(VMMR0LOGGER, Logger));
if ( !VALID_PTR(pR0Logger)
|| !VALID_PTR(pR0Logger + 1)
|| !VALID_PTR(pLogger)
|| pLogger->u32Magic != RTLOGGER_MAGIC)
{
LogCom(("vmmR0LoggerFlush: pLogger=%p!\n", pLogger));
return;
}
PVM pVM = pR0Logger->pVM;
if ( !VALID_PTR(pVM)
|| pVM->pVMHC != pVM)
{
LogCom(("vmmR0LoggerFlush: pVM=%p! pLogger=%p\n", pVM, pLogger));
return;
}
/*
* Check that the jump buffer is armed.
*/
#ifdef __X86__
if (!pVM->vmm.s.CallHostR0JmpBuf.eip)
#else
if (!pVM->vmm.s.CallHostR0JmpBuf.rip)
#endif
{
LogCom(("vmmR0LoggerFlush: Jump buffer isn't armed!\n"));
pLogger->offScratch = 0;
return;
}
VMMR0CallHost(pVM, VMMCALLHOST_VMM_LOGGER_FLUSH, 0);
}
#ifdef DEBUG_NO_RING0_ASSERTIONS
/**
* Check if we really want to hit a breakpoint.
* Can jump back to ring-3 when the longjmp is armed.
*/
DECLEXPORT(bool) RTCALL RTAssertDoBreakpoint()
{
if (g_pVMAssert)
{
g_pVMAssert->vmm.s.enmCallHostOperation = VMMCALLHOST_VMM_LOGGER_FLUSH;
g_pVMAssert->vmm.s.u64CallHostArg = 0;
g_pVMAssert->vmm.s.rcCallHost = VERR_INTERNAL_ERROR;
int rc = vmmR0CallHostLongJmp(&g_pVMAssert->vmm.s.CallHostR0JmpBuf, VERR_INTERNAL_ERROR);
if (rc == VINF_SUCCESS)
rc = g_pVMAssert->vmm.s.rcCallHost;
}
return true;
}
#undef LOG_GROUP
#define LOG_GROUP LOG_GROUP_EM
/** Runtime assert implementation for Native Win32 Ring-0. */
DECLEXPORT(void) RTCALL AssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
Log(("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction));
}
DECLEXPORT(void) RTCALL AssertMsg2(const char *pszFormat, ...)
{
PRTLOGGER pLog = RTLogRelDefaultInstance();
if (pLog)
{
va_start(args, pszFormat);
RTLogRelPrintfV(pszFormat, args);
va_end(args);
RTLogFlush(pLog);
}
}
#endif