/**
* Asynchronous I/O thread for handling receive.
*
* @returns VINF_SUCCESS (ignored).
* @param Thread Thread handle.
* @param pvUser Pointer to a DRVNIC structure.
*/
static DECLCALLBACK(int) drvNicAsyncIoThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
{
PDRVNIC pThis = PDMINS_2_DATA(pDrvIns, PDRVNIC);
LogFlow(("drvNicAsyncIoThread: pThis=%p\n", pThis));
if (pThread->enmState == PDMTHREADSTATE_INITIALIZING)
return VINF_SUCCESS;
Genode::Signal_receiver &sig_rec = pThis->nic_client->sig_rec();
while (pThread->enmState == PDMTHREADSTATE_RUNNING)
{
Genode::Signal sig = sig_rec.wait_for_signal();
int num = sig.num();
Genode::Signal_dispatcher_base *dispatcher;
dispatcher = dynamic_cast<Genode::Signal_dispatcher_base *>(sig.context());
dispatcher->dispatch(num);
}
destruct_lock()->unlock();
return VINF_SUCCESS;
}
/**
* Allocates a task segment
*
* @returns Pointer to the new task segment or NULL
* @param pEndpoint Pointer to the endpoint
*/
PPDMACTASKFILE pdmacFileTaskAlloc(PPDMASYNCCOMPLETIONENDPOINTFILE pEndpoint)
{
PPDMACTASKFILE pTask = NULL;
/* Try the small per endpoint cache first. */
if (pEndpoint->pTasksFreeHead == pEndpoint->pTasksFreeTail)
{
/* Try the bigger endpoint class cache. */
PPDMASYNCCOMPLETIONEPCLASSFILE pEndpointClass = (PPDMASYNCCOMPLETIONEPCLASSFILE)pEndpoint->Core.pEpClass;
/*
* Allocate completely new.
* If this fails we return NULL.
*/
int rc = MMR3HeapAllocZEx(pEndpointClass->Core.pVM, MM_TAG_PDM_ASYNC_COMPLETION,
sizeof(PDMACTASKFILE),
(void **)&pTask);
if (RT_FAILURE(rc))
pTask = NULL;
LogFlow(("Allocated task %p\n", pTask));
}
else
{
/* Grab a free task from the head. */
AssertMsg(pEndpoint->cTasksCached > 0, ("No tasks cached but list contains more than one element\n"));
pTask = pEndpoint->pTasksFreeHead;
pEndpoint->pTasksFreeHead = pTask->pNext;
ASMAtomicDecU32(&pEndpoint->cTasksCached);
}
pTask->pNext = NULL;
return pTask;
}
/**
* Register a access handler for a virtual range.
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
* @param GCPtr Start address.
* @param GCPtrLast Last address (inclusive).
* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
* @param pfnHandlerR3 The R3 handler.
* @param pszHandlerRC The RC handler symbol name.
* @param pszModRC The RC handler module.
* @param pszDesc Pointer to description string. This must not be freed.
*/
VMMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
PFNPGMR3VIRTINVALIDATE pfnInvalidateR3,
PFNPGMR3VIRTHANDLER pfnHandlerR3,
const char *pszHandlerRC, const char *pszModRC,
const char *pszDesc)
{
LogFlow(("PGMR3HandlerVirtualRegisterEx: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pszHandlerRC=%p:{%s} pszModRC=%p:{%s} pszDesc=%s\n",
enmType, GCPtr, GCPtrLast, pszHandlerRC, pszHandlerRC, pszModRC, pszModRC, pszDesc));
/* Not supported/relevant for VT-x and AMD-V. */
if (HMIsEnabled(pVM))
return VERR_NOT_IMPLEMENTED;
/*
* Validate input.
*/
if (!pszModRC)
pszModRC = VMMGC_MAIN_MODULE_NAME;
if (!pszModRC || !*pszModRC || !pszHandlerRC || !*pszHandlerRC)
{
AssertMsgFailed(("pfnHandlerGC or/and pszModRC is missing\n"));
return VERR_INVALID_PARAMETER;
}
/*
* Resolve the GC handler.
*/
RTRCPTR pfnHandlerRC;
int rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, NULL /*pszSearchPath*/, pszHandlerRC, &pfnHandlerRC);
if (RT_SUCCESS(rc))
return PGMR3HandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateR3,
pfnHandlerR3, pfnHandlerRC, pszDesc);
AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
return rc;
}
RTDECL(int) RTSymlinkCreate(const char *pszSymlink, const char *pszTarget, RTSYMLINKTYPE enmType, uint32_t fCreate)
{
/*
* Validate the input.
*/
AssertReturn(enmType > RTSYMLINKTYPE_INVALID && enmType < RTSYMLINKTYPE_END, VERR_INVALID_PARAMETER);
AssertPtrReturn(pszSymlink, VERR_INVALID_POINTER);
AssertPtrReturn(pszTarget, VERR_INVALID_POINTER);
/*
* Convert the paths.
*/
char const *pszNativeSymlink;
int rc = rtPathToNative(&pszNativeSymlink, pszSymlink, NULL);
if (RT_SUCCESS(rc))
{
const char *pszNativeTarget;
rc = rtPathToNative(&pszNativeTarget, pszTarget, NULL);
if (RT_SUCCESS(rc))
{
/*
* Create the link.
*/
if (symlink(pszNativeTarget, pszNativeSymlink) == 0)
rc = VINF_SUCCESS;
else
rc = RTErrConvertFromErrno(errno);
rtPathFreeNative(pszNativeTarget, pszTarget);
}
rtPathFreeNative(pszNativeSymlink, pszSymlink);
}
LogFlow(("RTSymlinkCreate(%p={%s}, %p={%s}, %d, %#x): returns %Rrc\n", pszSymlink, pszSymlink, pszTarget, pszTarget, enmType, fCreate, rc));
return rc;
}
RTDECL(int) RTDirRemove(const char *pszPath)
{
/*
* Convert to UTF-16.
*/
PRTUTF16 pwszString;
int rc = RTStrToUtf16(pszPath, &pwszString);
AssertRC(rc);
if (RT_SUCCESS(rc))
{
/*
* Remove the directory.
*/
if (RemoveDirectoryW((LPCWSTR)pwszString))
rc = VINF_SUCCESS;
else
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszString);
}
LogFlow(("RTDirRemove(%p:{%s}): returns %Rrc\n", pszPath, pszPath, rc));
return rc;
}
/**
* The client driver IOCtl Wrapper function.
*
* @returns VBox status code.
* @param pDevSol The Solaris device instance.
* @param Function The Function.
* @param pvData Opaque pointer to the data.
* @param cbData Size of the data pointed to by pvData.
*/
static int usbProxySolarisIOCtl(PUSBPROXYDEVSOL pDevSol, unsigned Function, void *pvData, size_t cbData)
{
if (RT_UNLIKELY(pDevSol->hFile == NIL_RTFILE))
{
LogFlow((USBPROXY ":usbProxySolarisIOCtl connection to driver gone!\n"));
return VERR_VUSB_DEVICE_NOT_ATTACHED;
}
VBOXUSBREQ Req;
Req.u32Magic = VBOXUSB_MAGIC;
Req.rc = -1;
Req.cbData = cbData;
Req.pvDataR3 = pvData;
int Ret = -1;
int rc = RTFileIoCtl(pDevSol->hFile, Function, &Req, sizeof(Req), &Ret);
if (RT_SUCCESS(rc))
{
if (RT_FAILURE(Req.rc))
{
if (Req.rc == VERR_VUSB_DEVICE_NOT_ATTACHED)
{
pDevSol->pProxyDev->fDetached = true;
usbProxySolarisCloseFile(pDevSol);
LogRel((USBPROXY ":Command %#x failed, USB Device '%s' disconnected!\n", Function, pDevSol->pProxyDev->pUsbIns->pszName));
}
else
LogRel((USBPROXY ":Command %#x failed. Req.rc=%Rrc\n", Function, Req.rc));
}
return Req.rc;
}
LogRel((USBPROXY ":Function %#x failed. rc=%Rrc\n", Function, rc));
return rc;
}
DECLCALLBACK(int) HostPowerServiceDarwin::powerChangeNotificationThread(RTTHREAD /* ThreadSelf */, void *pInstance)
{
HostPowerServiceDarwin *pPowerObj = static_cast<HostPowerServiceDarwin *>(pInstance);
/* We have to initial set the critical state of the battery, cause we want
* not the HostPowerService to inform about that state when a VM starts.
* See lowPowerHandler for more info. */
pPowerObj->checkBatteryCriticalLevel();
/* Register to receive system sleep notifications */
pPowerObj->mRootPort = IORegisterForSystemPower(pPowerObj, &pPowerObj->mNotifyPort,
HostPowerServiceDarwin::powerChangeNotificationHandler,
&pPowerObj->mNotifierObject);
if (pPowerObj->mRootPort == MACH_PORT_NULL)
{
LogFlow(("IORegisterForSystemPower failed\n"));
return VERR_NOT_SUPPORTED;
}
pPowerObj->mRunLoop = CFRunLoopGetCurrent();
/* Add the notification port to the application runloop */
CFRunLoopAddSource(pPowerObj->mRunLoop,
IONotificationPortGetRunLoopSource(pPowerObj->mNotifyPort),
kCFRunLoopCommonModes);
/* Register for all battery change events. The handler will check for low
* power events itself. */
CFRunLoopSourceRef runLoopSource = IOPSNotificationCreateRunLoopSource(HostPowerServiceDarwin::lowPowerHandler,
pPowerObj);
CFRunLoopAddSource(pPowerObj->mRunLoop,
runLoopSource,
kCFRunLoopCommonModes);
/* Start the run loop. This blocks. */
CFRunLoopRun();
return VINF_SUCCESS;
}
static uint32_t kstatGet(const char *name)
{
kstat_ctl_t *kc;
uint32_t uSpeed = 0;
if ((kc = kstat_open()) == 0)
{
LogRel(("kstat_open() -> %d\n", errno));
return 0;
}
kstat_t *ksAdapter = kstat_lookup(kc, "link", -1, (char *)name);
if (ksAdapter == 0)
{
char szModule[KSTAT_STRLEN];
uint32_t uInstance = getInstance(name, szModule);
ksAdapter = kstat_lookup(kc, szModule, uInstance, "phys");
if (ksAdapter == 0)
ksAdapter = kstat_lookup(kc, szModule, uInstance, (char*)name);
}
if (ksAdapter == 0)
LogRel(("Failed to get network statistics for %s\n", name));
else if (kstat_read(kc, ksAdapter, 0) == -1)
LogRel(("kstat_read(%s) -> %d\n", name, errno));
else
{
kstat_named_t *kn;
if ((kn = (kstat_named_t *)kstat_data_lookup(ksAdapter, (char *)"ifspeed")) == 0)
LogRel(("kstat_data_lookup(ifspeed) -> %d, name=%s\n", errno, name));
else
uSpeed = kn->value.ul / 1000000; /* bits -> Mbits */
}
kstat_close(kc);
LogFlow(("kstatGet(%s) -> %u Mbit/s\n", name, uSpeed));
return uSpeed;
}
/**
* Reap URBs in-flight on a device.
*
* @returns Pointer to a completed URB.
* @returns NULL if no URB was completed.
* @param pProxyDev The device.
* @param cMillies Number of milliseconds to wait. Use 0 to not wait at all.
*/
static DECLCALLBACK(PVUSBURB) usbProxyFreeBSDUrbReap(PUSBPROXYDEV pProxyDev, RTMSINTERVAL cMillies)
{
struct usb_fs_endpoint *pXferEndpoint;
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
PUSBENDPOINTFBSD pEndpointFBSD;
PVUSBURB pUrb;
struct usb_fs_complete UsbFsComplete;
struct pollfd pfd[2];
int rc;
LogFlow(("usbProxyFreeBSDUrbReap: pProxyDev=%p, cMillies=%u\n",
pProxyDev, cMillies));
repeat:
pUrb = NULL;
/* check for cancelled transfers */
if (pDevFBSD->fCancelling)
{
for (unsigned n = 0; n < USBFBSD_MAXENDPOINTS; n++)
{
pEndpointFBSD = &pDevFBSD->aSwEndpoint[n];
if (pEndpointFBSD->fCancelling)
{
pEndpointFBSD->fCancelling = false;
pUrb = pEndpointFBSD->pUrb;
pEndpointFBSD->pUrb = NULL;
if (pUrb != NULL)
break;
}
}
if (pUrb != NULL)
{
pUrb->enmStatus = VUSBSTATUS_INVALID;
pUrb->Dev.pvPrivate = NULL;
switch (pUrb->enmType)
{
case VUSBXFERTYPE_MSG:
pUrb->cbData = 0;
break;
case VUSBXFERTYPE_ISOC:
pUrb->cbData = 0;
for (int n = 0; n < (int)pUrb->cIsocPkts; n++)
pUrb->aIsocPkts[n].cb = 0;
break;
default:
pUrb->cbData = 0;
break;
}
return pUrb;
}
pDevFBSD->fCancelling = false;
}
/* Zero default */
memset(&UsbFsComplete, 0, sizeof(UsbFsComplete));
/* Check if any endpoints are complete */
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_FS_COMPLETE, &UsbFsComplete, true);
if (RT_SUCCESS(rc))
{
pXferEndpoint = &pDevFBSD->aHwEndpoint[UsbFsComplete.ep_index];
pEndpointFBSD = &pDevFBSD->aSwEndpoint[UsbFsComplete.ep_index];
LogFlow(("usbProxyFreeBSDUrbReap: Reaped "
"URB %#p\n", pEndpointFBSD->pUrb));
if (pXferEndpoint->status == USB_ERR_CANCELLED)
goto repeat;
pUrb = pEndpointFBSD->pUrb;
pEndpointFBSD->pUrb = NULL;
if (pUrb == NULL)
goto repeat;
switch (pXferEndpoint->status)
{
case USB_ERR_NORMAL_COMPLETION:
pUrb->enmStatus = VUSBSTATUS_OK;
break;
case USB_ERR_STALLED:
pUrb->enmStatus = VUSBSTATUS_STALL;
break;
default:
pUrb->enmStatus = VUSBSTATUS_INVALID;
break;
}
pUrb->Dev.pvPrivate = NULL;
switch (pUrb->enmType)
{
case VUSBXFERTYPE_MSG:
pUrb->cbData = pEndpointFBSD->acbData[0] + pEndpointFBSD->acbData[1];
break;
case VUSBXFERTYPE_ISOC:
{
int n;
if (pUrb->enmDir == VUSBDIRECTION_OUT)
break;
pUrb->cbData = 0;
for (n = 0; n < (int)pUrb->cIsocPkts; n++)
{
if (n >= (int)pEndpointFBSD->cMaxFrames)
break;
pUrb->cbData += pEndpointFBSD->acbData[n];
pUrb->aIsocPkts[n].cb = pEndpointFBSD->acbData[n];
}
for (; n < (int)pUrb->cIsocPkts; n++)
pUrb->aIsocPkts[n].cb = 0;
break;
}
default:
pUrb->cbData = pEndpointFBSD->acbData[0];
break;
}
LogFlow(("usbProxyFreeBSDUrbReap: Status=%d epindex=%u "
"len[0]=%d len[1]=%d\n",
(int)pXferEndpoint->status,
(unsigned)UsbFsComplete.ep_index,
(unsigned)pEndpointFBSD->acbData[0],
(unsigned)pEndpointFBSD->acbData[1]));
}
else if (cMillies != 0 && rc == VERR_RESOURCE_BUSY)
{
for (;;)
{
pfd[0].fd = RTFileToNative(pDevFBSD->hFile);
pfd[0].events = POLLIN | POLLRDNORM;
pfd[0].revents = 0;
pfd[1].fd = RTPipeToNative(pDevFBSD->hPipeWakeupR);
pfd[1].events = POLLIN | POLLRDNORM;
pfd[1].revents = 0;
rc = poll(pfd, 2, (cMillies == RT_INDEFINITE_WAIT) ? INFTIM : cMillies);
if (rc > 0)
{
if (pfd[1].revents & POLLIN)
{
/* Got woken up, drain pipe. */
uint8_t bRead;
size_t cbIgnored = 0;
RTPipeRead(pDevFBSD->hPipeWakeupR, &bRead, 1, &cbIgnored);
/* Make sure we return from this function */
cMillies = 0;
}
break;
}
if (rc == 0)
return NULL;
if (errno != EAGAIN)
return NULL;
}
goto repeat;
}
return pUrb;
}
static int usbProxyFreeBSDEndpointOpen(PUSBPROXYDEV pProxyDev, int Endpoint, bool fIsoc, int index)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
PUSBENDPOINTFBSD pEndpointFBSD = NULL; /* shut up gcc */
struct usb_fs_endpoint *pXferEndpoint;
struct usb_fs_open UsbFsOpen;
int rc;
LogFlow(("usbProxyFreeBSDEndpointOpen: pProxyDev=%p Endpoint=%d\n",
(void *)pProxyDev, Endpoint));
for (; index < USBFBSD_MAXENDPOINTS; index++)
{
pEndpointFBSD = &pDevFBSD->aSwEndpoint[index];
if (pEndpointFBSD->fCancelling)
continue;
if ( pEndpointFBSD->fOpen
&& !pEndpointFBSD->pUrb
&& (int)pEndpointFBSD->iEpNum == Endpoint)
return index;
}
if (index == USBFBSD_MAXENDPOINTS)
{
for (index = 0; index != USBFBSD_MAXENDPOINTS; index++)
{
pEndpointFBSD = &pDevFBSD->aSwEndpoint[index];
if (pEndpointFBSD->fCancelling)
continue;
if (!pEndpointFBSD->fOpen)
break;
}
if (index == USBFBSD_MAXENDPOINTS)
return -1;
}
/* set ppBuffer and pLength */
pXferEndpoint = &pDevFBSD->aHwEndpoint[index];
pXferEndpoint->ppBuffer = &pEndpointFBSD->apvData[0];
pXferEndpoint->pLength = &pEndpointFBSD->acbData[0];
LogFlow(("usbProxyFreeBSDEndpointOpen: ep_index=%d ep_num=%d\n",
index, Endpoint));
memset(&UsbFsOpen, 0, sizeof(UsbFsOpen));
UsbFsOpen.ep_index = index;
UsbFsOpen.ep_no = Endpoint;
UsbFsOpen.max_bufsize = 256 * 1024;
/* Hardcoded assumption about the URBs we get. */
UsbFsOpen.max_frames = fIsoc ? USBFBSD_MAXFRAMES : 2;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_FS_OPEN, &UsbFsOpen, true);
if (RT_FAILURE(rc))
{
if (rc == VERR_RESOURCE_BUSY)
LogFlow(("usbProxyFreeBSDEndpointOpen: EBUSY\n"));
return -1;
}
pEndpointFBSD->fOpen = true;
pEndpointFBSD->pUrb = NULL;
pEndpointFBSD->iEpNum = Endpoint;
pEndpointFBSD->cMaxIo = UsbFsOpen.max_bufsize;
pEndpointFBSD->cMaxFrames = UsbFsOpen.max_frames;
return index;
}
/**
* Executes instruction in HM mode if we can.
*
* This is somewhat comparable to REMR3EmulateInstruction.
*
* @returns VBox strict status code.
* @retval VINF_EM_DBG_STEPPED on success.
* @retval VERR_EM_CANNOT_EXEC_GUEST if we cannot execute guest instructions in
* HM right now.
*
* @param pVM The cross context VM structure.
* @param pVCpu The cross context virtual CPU structure for the calling EMT.
* @param fFlags Combinations of EM_ONE_INS_FLAGS_XXX.
* @thread EMT.
*/
VMMR3_INT_DECL(VBOXSTRICTRC) EMR3HmSingleInstruction(PVM pVM, PVMCPU pVCpu, uint32_t fFlags)
{
PCPUMCTX pCtx = pVCpu->em.s.pCtx;
Assert(!(fFlags & ~EM_ONE_INS_FLAGS_MASK));
if (!HMR3CanExecuteGuest(pVM, pCtx))
return VINF_EM_RESCHEDULE;
uint64_t const uOldRip = pCtx->rip;
for (;;)
{
/*
* Service necessary FFs before going into HM.
*/
if ( VM_FF_IS_PENDING(pVM, VM_FF_HIGH_PRIORITY_PRE_RAW_MASK)
|| VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_HIGH_PRIORITY_PRE_RAW_MASK))
{
VBOXSTRICTRC rcStrict = emR3HmForcedActions(pVM, pVCpu, pCtx);
if (rcStrict != VINF_SUCCESS)
{
Log(("EMR3HmSingleInstruction: FFs before -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict)));
return rcStrict;
}
}
/*
* Go execute it.
*/
bool fOld = HMSetSingleInstruction(pVM, pVCpu, true);
VBOXSTRICTRC rcStrict = VMMR3HmRunGC(pVM, pVCpu);
HMSetSingleInstruction(pVM, pVCpu, fOld);
LogFlow(("EMR3HmSingleInstruction: %Rrc\n", VBOXSTRICTRC_VAL(rcStrict)));
/*
* Handle high priority FFs and informational status codes. We don't do
* normal FF processing the caller or the next call can deal with them.
*/
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
if ( VM_FF_IS_PENDING(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
|| VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
{
rcStrict = emR3HighPriorityPostForcedActions(pVM, pVCpu, VBOXSTRICTRC_TODO(rcStrict));
LogFlow(("EMR3HmSingleInstruction: FFs after -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict)));
}
if (rcStrict != VINF_SUCCESS && (rcStrict < VINF_EM_FIRST || rcStrict > VINF_EM_LAST))
{
rcStrict = emR3HmHandleRC(pVM, pVCpu, pCtx, VBOXSTRICTRC_TODO(rcStrict));
Log(("EMR3HmSingleInstruction: emR3HmHandleRC -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict)));
}
/*
* Done?
*/
if ( (rcStrict != VINF_SUCCESS && rcStrict != VINF_EM_DBG_STEPPED)
|| !(fFlags & EM_ONE_INS_FLAGS_RIP_CHANGE)
|| pCtx->rip != uOldRip)
{
if (rcStrict == VINF_SUCCESS && pCtx->rip != uOldRip)
rcStrict = VINF_EM_DBG_STEPPED;
Log(("EMR3HmSingleInstruction: returns %Rrc (rip %llx -> %llx)\n", VBOXSTRICTRC_VAL(rcStrict), uOldRip, pCtx->rip));
return rcStrict;
}
}
}
/**
* \#PF Virtual Handler callback for Guest write access to the Guest's own current TSS.
*
* @returns VBox status code (appropriate for trap handling and GC return).
* @param pVM VM Handle.
* @param uErrorCode CPU Error code.
* @param pRegFrame Trap register frame.
* @param pvFault The fault address (cr2).
* @param pvRange The base address of the handled virtual range.
* @param offRange The offset of the access into this range.
* (If it's a EIP range this is the EIP, if not it's pvFault.)
*/
VMMRCDECL(int) selmRCGuestTSSWriteHandler(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPTR pvRange, uintptr_t offRange)
{
PVMCPU pVCpu = VMMGetCpu0(pVM);
LogFlow(("selmRCGuestTSSWriteHandler errcode=%x fault=%RGv offRange=%08x\n", (uint32_t)uErrorCode, pvFault, offRange));
/*
* Try emulate the access.
*/
uint32_t cb;
int rc = EMInterpretInstruction(pVM, pVCpu, pRegFrame, (RTGCPTR)(RTRCUINTPTR)pvFault, &cb);
if (RT_SUCCESS(rc) && cb)
{
rc = VINF_SUCCESS;
/*
* If it's on the same page as the esp0 and ss0 fields or actually one of them,
* then check if any of these has changed.
*/
PCVBOXTSS pGuestTss = (PVBOXTSS)(uintptr_t)pVM->selm.s.GCPtrGuestTss;
if ( PAGE_ADDRESS(&pGuestTss->esp0) == PAGE_ADDRESS(&pGuestTss->padding_ss0)
&& PAGE_ADDRESS(&pGuestTss->esp0) == PAGE_ADDRESS((uint8_t *)pGuestTss + offRange)
&& ( pGuestTss->esp0 != pVM->selm.s.Tss.esp1
|| pGuestTss->ss0 != (pVM->selm.s.Tss.ss1 & ~1)) /* undo raw-r0 */
)
{
Log(("selmRCGuestTSSWriteHandler: R0 stack: %RTsel:%RGv -> %RTsel:%RGv\n",
(RTSEL)(pVM->selm.s.Tss.ss1 & ~1), (RTGCPTR)pVM->selm.s.Tss.esp1, (RTSEL)pGuestTss->ss0, (RTGCPTR)pGuestTss->esp0));
pVM->selm.s.Tss.esp1 = pGuestTss->esp0;
pVM->selm.s.Tss.ss1 = pGuestTss->ss0 | 1;
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestTSSHandledChanged);
}
/* Handle misaligned TSS in a safe manner (just in case). */
else if ( offRange >= RT_UOFFSETOF(VBOXTSS, esp0)
&& offRange < RT_UOFFSETOF(VBOXTSS, padding_ss0))
{
struct
{
uint32_t esp0;
uint16_t ss0;
uint16_t padding_ss0;
} s;
AssertCompileSize(s, 8);
rc = selmRCReadTssBits(pVM, &s, &pGuestTss->esp0, sizeof(s));
if ( rc == VINF_SUCCESS
&& ( s.esp0 != pVM->selm.s.Tss.esp1
|| s.ss0 != (pVM->selm.s.Tss.ss1 & ~1)) /* undo raw-r0 */
)
{
Log(("selmRCGuestTSSWriteHandler: R0 stack: %RTsel:%RGv -> %RTsel:%RGv [x-page]\n",
(RTSEL)(pVM->selm.s.Tss.ss1 & ~1), (RTGCPTR)pVM->selm.s.Tss.esp1, (RTSEL)s.ss0, (RTGCPTR)s.esp0));
pVM->selm.s.Tss.esp1 = s.esp0;
pVM->selm.s.Tss.ss1 = s.ss0 | 1;
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestTSSHandledChanged);
}
}
/*
* If VME is enabled we need to check if the interrupt redirection bitmap
* needs updating.
*/
if ( offRange >= RT_UOFFSETOF(VBOXTSS, offIoBitmap)
&& (CPUMGetGuestCR4(pVCpu) & X86_CR4_VME))
{
if (offRange - RT_UOFFSETOF(VBOXTSS, offIoBitmap) < sizeof(pGuestTss->offIoBitmap))
{
uint16_t offIoBitmap = pGuestTss->offIoBitmap;
if (offIoBitmap != pVM->selm.s.offGuestIoBitmap)
{
Log(("TSS offIoBitmap changed: old=%#x new=%#x -> resync in ring-3\n", pVM->selm.s.offGuestIoBitmap, offIoBitmap));
VMCPU_FF_SET(pVCpu, VMCPU_FF_SELM_SYNC_TSS);
VMCPU_FF_SET(pVCpu, VMCPU_FF_TO_R3);
}
else
Log(("TSS offIoBitmap: old=%#x new=%#x [unchanged]\n", pVM->selm.s.offGuestIoBitmap, offIoBitmap));
}
else
{
/** @todo not sure how the partial case is handled; probably not allowed */
uint32_t offIntRedirBitmap = pVM->selm.s.offGuestIoBitmap - sizeof(pVM->selm.s.Tss.IntRedirBitmap);
if ( offIntRedirBitmap <= offRange
&& offIntRedirBitmap + sizeof(pVM->selm.s.Tss.IntRedirBitmap) >= offRange + cb
&& offIntRedirBitmap + sizeof(pVM->selm.s.Tss.IntRedirBitmap) <= pVM->selm.s.cbGuestTss)
{
Log(("TSS IntRedirBitmap Changed: offIoBitmap=%x offIntRedirBitmap=%x cbTSS=%x offRange=%x cb=%x\n",
pVM->selm.s.offGuestIoBitmap, offIntRedirBitmap, pVM->selm.s.cbGuestTss, offRange, cb));
/** @todo only update the changed part. */
for (uint32_t i = 0; i < sizeof(pVM->selm.s.Tss.IntRedirBitmap) / 8; i++)
{
rc = selmRCReadTssBits(pVM, &pVM->selm.s.Tss.IntRedirBitmap[i * 8],
(uint8_t *)pGuestTss + offIntRedirBitmap + i * 8, 8);
if (rc != VINF_SUCCESS)
break;
}
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestTSSRedir);
}
}
}
/* Return to ring-3 for a full resync if any of the above fails... (?) */
if (rc != VINF_SUCCESS)
{
VMCPU_FF_SET(pVCpu, VMCPU_FF_SELM_SYNC_TSS);
VMCPU_FF_SET(pVCpu, VMCPU_FF_TO_R3);
if (RT_SUCCESS(rc))
rc = VINF_SUCCESS;
}
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestTSSHandled);
}
else
{
Assert(RT_FAILURE(rc));
VMCPU_FF_SET(pVCpu, VMCPU_FF_SELM_SYNC_TSS);
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestTSSUnhandled);
if (rc == VERR_EM_INTERPRETER)
rc = VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT;
}
return rc;
}
/**
* @interface_method_impl{PDMDRVREG,pfnConstruct}
*/
DECLCALLBACK(int) VMMDev::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle, uint32_t fFlags)
{
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
PDRVMAINVMMDEV pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINVMMDEV);
LogFlow(("Keyboard::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
/*
* Validate configuration.
*/
if (!CFGMR3AreValuesValid(pCfgHandle, "Object\0"))
return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
("Configuration error: Not possible to attach anything to this driver!\n"),
VERR_PDM_DRVINS_NO_ATTACH);
/*
* IBase.
*/
pDrvIns->IBase.pfnQueryInterface = VMMDev::drvQueryInterface;
pThis->Connector.pfnUpdateGuestStatus = vmmdevUpdateGuestStatus;
pThis->Connector.pfnUpdateGuestUserState = vmmdevUpdateGuestUserState;
pThis->Connector.pfnUpdateGuestInfo = vmmdevUpdateGuestInfo;
pThis->Connector.pfnUpdateGuestInfo2 = vmmdevUpdateGuestInfo2;
pThis->Connector.pfnUpdateGuestCapabilities = vmmdevUpdateGuestCapabilities;
pThis->Connector.pfnUpdateMouseCapabilities = vmmdevUpdateMouseCapabilities;
pThis->Connector.pfnUpdatePointerShape = vmmdevUpdatePointerShape;
pThis->Connector.pfnVideoAccelEnable = iface_VideoAccelEnable;
pThis->Connector.pfnVideoAccelFlush = iface_VideoAccelFlush;
pThis->Connector.pfnVideoModeSupported = vmmdevVideoModeSupported;
pThis->Connector.pfnGetHeightReduction = vmmdevGetHeightReduction;
pThis->Connector.pfnSetCredentialsJudgementResult = vmmdevSetCredentialsJudgementResult;
pThis->Connector.pfnSetVisibleRegion = vmmdevSetVisibleRegion;
pThis->Connector.pfnQueryVisibleRegion = vmmdevQueryVisibleRegion;
pThis->Connector.pfnReportStatistics = vmmdevReportStatistics;
pThis->Connector.pfnQueryStatisticsInterval = vmmdevQueryStatisticsInterval;
pThis->Connector.pfnQueryBalloonSize = vmmdevQueryBalloonSize;
pThis->Connector.pfnIsPageFusionEnabled = vmmdevIsPageFusionEnabled;
#ifdef VBOX_WITH_HGCM
pThis->HGCMConnector.pfnConnect = iface_hgcmConnect;
pThis->HGCMConnector.pfnDisconnect = iface_hgcmDisconnect;
pThis->HGCMConnector.pfnCall = iface_hgcmCall;
#endif
/*
* Get the IVMMDevPort interface of the above driver/device.
*/
pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIVMMDEVPORT);
AssertMsgReturn(pThis->pUpPort, ("Configuration error: No VMMDev port interface above!\n"), VERR_PDM_MISSING_INTERFACE_ABOVE);
#ifdef VBOX_WITH_HGCM
pThis->pHGCMPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIHGCMPORT);
AssertMsgReturn(pThis->pHGCMPort, ("Configuration error: No HGCM port interface above!\n"), VERR_PDM_MISSING_INTERFACE_ABOVE);
#endif
/*
* Get the Console object pointer and update the mpDrv member.
*/
void *pv;
int rc = CFGMR3QueryPtr(pCfgHandle, "Object", &pv);
if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
return rc;
}
pThis->pVMMDev = (VMMDev*)pv; /** @todo Check this cast! */
pThis->pVMMDev->mpDrv = pThis;
#ifdef VBOX_WITH_HGCM
rc = pThis->pVMMDev->hgcmLoadService(VBOXSHAREDFOLDERS_DLL,
"VBoxSharedFolders");
pThis->pVMMDev->fSharedFolderActive = RT_SUCCESS(rc);
if (RT_SUCCESS(rc))
{
PPDMLED pLed;
PPDMILEDPORTS pLedPort;
LogRel(("Shared Folders service loaded.\n"));
pLedPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMILEDPORTS);
AssertMsgReturn(pLedPort, ("Configuration error: No LED port interface above!\n"), VERR_PDM_MISSING_INTERFACE_ABOVE);
rc = pLedPort->pfnQueryStatusLed(pLedPort, 0, &pLed);
if (RT_SUCCESS(rc) && pLed)
{
VBOXHGCMSVCPARM parm;
parm.type = VBOX_HGCM_SVC_PARM_PTR;
parm.u.pointer.addr = pLed;
parm.u.pointer.size = sizeof(*pLed);
rc = HGCMHostCall("VBoxSharedFolders", SHFL_FN_SET_STATUS_LED, 1, &parm);
}
else
AssertMsgFailed(("pfnQueryStatusLed failed with %Rrc (pLed=%x)\n", rc, pLed));
}
else
LogRel(("Failed to load Shared Folders service %Rrc\n", rc));
rc = PDMDrvHlpSSMRegisterEx(pDrvIns, HGCM_SSM_VERSION, 4096 /* bad guess */,
NULL, NULL, NULL,
NULL, iface_hgcmSave, NULL,
NULL, iface_hgcmLoad, NULL);
if (RT_FAILURE(rc))
return rc;
#endif /* VBOX_WITH_HGCM */
return VINF_SUCCESS;
}
static DECLCALLBACK(int) drvHostALSAAudioCaptureIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn,
uint32_t *pcSamplesCaptured)
{
NOREF(pInterface);
AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);
PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;
snd_pcm_sframes_t cAvail;
int rc = drvHostALSAAudioGetAvail(pThisStrmIn->phPCM, &cAvail);
if (RT_FAILURE(rc))
{
LogFunc(("Error getting number of captured frames, rc=%Rrc\n", rc));
return rc;
}
if (!cAvail) /* No data yet? */
{
snd_pcm_state_t state = snd_pcm_state(pThisStrmIn->phPCM);
switch (state)
{
case SND_PCM_STATE_PREPARED:
cAvail = AudioMixBufFree(&pHstStrmIn->MixBuf);
break;
case SND_PCM_STATE_SUSPENDED:
{
rc = drvHostALSAAudioResume(pThisStrmIn->phPCM);
if (RT_FAILURE(rc))
break;
LogFlow(("Resuming suspended input stream\n"));
break;
}
default:
LogFlow(("No frames available, state=%d\n", state));
break;
}
if (!cAvail)
{
if (pcSamplesCaptured)
*pcSamplesCaptured = 0;
return VINF_SUCCESS;
}
}
/*
* Check how much we can read from the capture device without overflowing
* the mixer buffer.
*/
Assert(cAvail);
size_t cbMixFree = AudioMixBufFreeBytes(&pHstStrmIn->MixBuf);
size_t cbToRead = RT_MIN((size_t)AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cAvail), cbMixFree);
LogFlowFunc(("cbToRead=%zu, cAvail=%RI32\n", cbToRead, cAvail));
uint32_t cWrittenTotal = 0;
snd_pcm_uframes_t cToRead;
snd_pcm_sframes_t cRead;
while ( cbToRead
&& RT_SUCCESS(rc))
{
cToRead = RT_MIN(AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, cbToRead),
AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, pThisStrmIn->cbBuf));
AssertBreakStmt(cToRead, rc = VERR_NO_DATA);
cRead = snd_pcm_readi(pThisStrmIn->phPCM, pThisStrmIn->pvBuf, cToRead);
if (cRead <= 0)
{
switch (cRead)
{
case 0:
{
LogFunc(("No input frames available\n"));
rc = VERR_ACCESS_DENIED;
break;
}
case -EAGAIN:
/*
* Don't set error here because EAGAIN means there are no further frames
* available at the moment, try later. As we might have read some frames
* already these need to be processed instead.
*/
cbToRead = 0;
break;
case -EPIPE:
{
rc = drvHostALSAAudioRecover(pThisStrmIn->phPCM);
if (RT_FAILURE(rc))
break;
LogFlowFunc(("Recovered from capturing\n"));
continue;
}
default:
LogFunc(("Failed to read input frames: %s\n", snd_strerror(cRead)));
rc = VERR_GENERAL_FAILURE; /** @todo Fudge! */
break;
}
}
else
{
uint32_t cWritten;
rc = AudioMixBufWriteCirc(&pHstStrmIn->MixBuf,
pThisStrmIn->pvBuf, AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cRead),
&cWritten);
if (RT_FAILURE(rc))
break;
/*
* We should not run into a full mixer buffer or we loose samples and
* run into an endless loop if ALSA keeps producing samples ("null"
* capture device for example).
*/
AssertLogRelMsgBreakStmt(cWritten > 0, ("Mixer buffer shouldn't be full at this point!\n"),
rc = VERR_INTERNAL_ERROR);
uint32_t cbWritten = AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cWritten);
Assert(cbToRead >= cbWritten);
cbToRead -= cbWritten;
cWrittenTotal += cWritten;
}
}
if (RT_SUCCESS(rc))
{
uint32_t cProcessed = 0;
if (cWrittenTotal)
rc = AudioMixBufMixToParent(&pHstStrmIn->MixBuf, cWrittenTotal,
&cProcessed);
if (pcSamplesCaptured)
*pcSamplesCaptured = cWrittenTotal;
LogFlowFunc(("cWrittenTotal=%RU32 (%RU32 processed), rc=%Rrc\n",
cWrittenTotal, cProcessed, rc));
}
LogFlowFuncLeaveRC(rc);
return rc;
}
/**
* Halted VM Wait.
* Any external event will unblock the thread.
*
* @returns VINF_SUCCESS unless a fatal error occurred. In the latter
* case an appropriate status code is returned.
* @param pVM Pointer to the VM.
* @param pVCpu Pointer to the VMCPU.
* @param fIgnoreInterrupts If set the VM_FF_INTERRUPT flags is ignored.
* @thread The emulation thread.
*/
VMMR3DECL(int) VMR3WaitHalted(PVM pVM, PVMCPU pVCpu, bool fIgnoreInterrupts)
{
LogFlow(("VMR3WaitHalted: fIgnoreInterrupts=%d\n", fIgnoreInterrupts));
/*
* Check Relevant FFs.
*/
const uint32_t fMask = !fIgnoreInterrupts
? VMCPU_FF_EXTERNAL_HALTED_MASK
: VMCPU_FF_EXTERNAL_HALTED_MASK & ~(VMCPU_FF_INTERRUPT_APIC | VMCPU_FF_INTERRUPT_PIC);
if ( VM_FF_ISPENDING(pVM, VM_FF_EXTERNAL_HALTED_MASK)
|| VMCPU_FF_ISPENDING(pVCpu, fMask))
{
LogFlow(("VMR3WaitHalted: returns VINF_SUCCESS (FF %#x FFCPU %#x)\n", pVM->fGlobalForcedActions, pVCpu->fLocalForcedActions));
return VINF_SUCCESS;
}
/*
* The yielder is suspended while we're halting, while TM might have clock(s) running
* only at certain times and need to be notified..
*/
if (pVCpu->idCpu == 0)
VMMR3YieldSuspend(pVM);
TMNotifyStartOfHalt(pVCpu);
/*
* Record halt averages for the last second.
*/
PUVMCPU pUVCpu = pVCpu->pUVCpu;
uint64_t u64Now = RTTimeNanoTS();
int64_t off = u64Now - pUVCpu->vm.s.u64HaltsStartTS;
if (off > 1000000000)
{
if (off > _4G || !pUVCpu->vm.s.cHalts)
{
pUVCpu->vm.s.HaltInterval = 1000000000 /* 1 sec */;
pUVCpu->vm.s.HaltFrequency = 1;
}
else
{
pUVCpu->vm.s.HaltInterval = (uint32_t)off / pUVCpu->vm.s.cHalts;
pUVCpu->vm.s.HaltFrequency = ASMMultU64ByU32DivByU32(pUVCpu->vm.s.cHalts, 1000000000, (uint32_t)off);
}
pUVCpu->vm.s.u64HaltsStartTS = u64Now;
pUVCpu->vm.s.cHalts = 0;
}
pUVCpu->vm.s.cHalts++;
/*
* Do the halt.
*/
Assert(VMCPU_GET_STATE(pVCpu) == VMCPUSTATE_STARTED);
VMCPU_SET_STATE(pVCpu, VMCPUSTATE_STARTED_HALTED);
PUVM pUVM = pUVCpu->pUVM;
int rc = g_aHaltMethods[pUVM->vm.s.iHaltMethod].pfnHalt(pUVCpu, fMask, u64Now);
VMCPU_SET_STATE(pVCpu, VMCPUSTATE_STARTED);
/*
* Notify TM and resume the yielder
*/
TMNotifyEndOfHalt(pVCpu);
if (pVCpu->idCpu == 0)
VMMR3YieldResume(pVM);
LogFlow(("VMR3WaitHalted: returns %Rrc (FF %#x)\n", rc, pVM->fGlobalForcedActions));
return rc;
}
uint32_t hgcmObjMake (HGCMObject *pObject, uint32_t u32HandleIn)
{
int handle = 0;
LogFlow(("MAIN::hgcmObjGenerateHandle: pObject %p\n", pObject));
int rc = hgcmObjEnter ();
if (RT_SUCCESS(rc))
{
ObjectAVLCore *pCore = &pObject->m_core;
/* Generate a new handle value. */
uint32_t volatile *pu32HandleCountSource = pObject->Type () == HGCMOBJ_CLIENT?
&g_u32ClientHandleCount:
&g_u32InternalHandleCount;
uint32_t u32Start = *pu32HandleCountSource;
for (;;)
{
uint32_t Key;
if (u32HandleIn == 0)
{
Key = ASMAtomicIncU32 (pu32HandleCountSource);
if (Key == u32Start)
{
/* Rollover. Something is wrong. */
AssertReleaseFailed ();
break;
}
/* 0 and 0x80000000 are not valid handles. */
if ((Key & 0x7FFFFFFF) == 0)
{
/* Over the invalid value, reinitialize the source. */
*pu32HandleCountSource = pObject->Type () == HGCMOBJ_CLIENT?
0:
0x80000000;
continue;
}
}
else
{
Key = u32HandleIn;
}
/* Insert object to AVL tree. */
pCore->AvlCore.Key = Key;
bool bRC = RTAvlULInsert(&g_pTree, &pCore->AvlCore);
/* Could not insert a handle. */
if (!bRC)
{
if (u32HandleIn == 0)
{
/* Try another generated handle. */
continue;
}
else
{
/* Could not use the specified handle. */
break;
}
}
/* Initialize backlink. */
pCore->pSelf = pObject;
/* Reference the object for time while it resides in the tree. */
pObject->Reference ();
/* Store returned handle. */
handle = Key;
Log(("Object key inserted 0x%08X\n", Key));
break;
}
hgcmObjLeave ();
}
else
{
AssertReleaseMsgFailed (("MAIN::hgcmObjGenerateHandle: Failed to acquire object pool semaphore"));
}
LogFlow(("MAIN::hgcmObjGenerateHandle: handle = 0x%08X, rc = %Rrc, return void\n", handle, rc));
return handle;
}
/**
* Restores virtualized flags.
*
* This function is called from CPUMRawLeave(). It will update the eflags register.
*
** @note Only here we are allowed to switch back to guest code (without a special reason such as a trap in patch code)!!
*
* @param pVM Pointer to the VM.
* @param pCtxCore The cpu context core.
* @param rawRC Raw mode return code
* @see @ref pg_raw
*/
VMM_INT_DECL(void) PATMRawLeave(PVM pVM, PCPUMCTXCORE pCtxCore, int rawRC)
{
bool fPatchCode = PATMIsPatchGCAddr(pVM, pCtxCore->eip);
/*
* We will only be called if PATMRawEnter was previously called.
*/
register uint32_t efl = pCtxCore->eflags.u32;
efl = (efl & ~PATM_VIRTUAL_FLAGS_MASK) | (CTXSUFF(pVM->patm.s.pGCState)->uVMFlags & PATM_VIRTUAL_FLAGS_MASK);
pCtxCore->eflags.u32 = efl;
CTXSUFF(pVM->patm.s.pGCState)->uVMFlags = X86_EFL_IF;
AssertReleaseMsg((efl & X86_EFL_IF) || fPatchCode || rawRC == VINF_PATM_PENDING_IRQ_AFTER_IRET || RT_FAILURE(rawRC), ("Inconsistent state at %RRv rc=%Rrc\n", pCtxCore->eip, rawRC));
AssertReleaseMsg(CTXSUFF(pVM->patm.s.pGCState)->fPIF || fPatchCode || RT_FAILURE(rawRC), ("fPIF=%d eip=%RRv rc=%Rrc\n", CTXSUFF(pVM->patm.s.pGCState)->fPIF, pCtxCore->eip, rawRC));
#ifdef IN_RING3
if ( (efl & X86_EFL_IF)
&& fPatchCode
)
{
if ( rawRC < VINF_PATM_LEAVE_RC_FIRST
|| rawRC > VINF_PATM_LEAVE_RC_LAST)
{
/*
* Golden rules:
* - Don't interrupt special patch streams that replace special instructions
* - Don't break instruction fusing (sti, pop ss, mov ss)
* - Don't go back to an instruction that has been overwritten by a patch jump
* - Don't interrupt an idt handler on entry (1st instruction); technically incorrect
*
*/
if (CTXSUFF(pVM->patm.s.pGCState)->fPIF == 1) /* consistent patch instruction state */
{
PATMTRANSSTATE enmState;
RTRCPTR pOrgInstrGC = PATMR3PatchToGCPtr(pVM, pCtxCore->eip, &enmState);
AssertRelease(pOrgInstrGC);
Assert(enmState != PATMTRANS_OVERWRITTEN);
if (enmState == PATMTRANS_SAFE)
{
Assert(!patmFindActivePatchByEntrypoint(pVM, pOrgInstrGC));
Log(("Switchback from %RRv to %RRv (Psp=%x)\n", pCtxCore->eip, pOrgInstrGC, CTXSUFF(pVM->patm.s.pGCState)->Psp));
STAM_COUNTER_INC(&pVM->patm.s.StatSwitchBack);
pCtxCore->eip = pOrgInstrGC;
fPatchCode = false; /* to reset the stack ptr */
CTXSUFF(pVM->patm.s.pGCState)->GCPtrInhibitInterrupts = 0; /* reset this pointer; safe otherwise the state would be PATMTRANS_INHIBITIRQ */
}
else
{
LogFlow(("Patch address %RRv can't be interrupted (state=%d)!\n", pCtxCore->eip, enmState));
STAM_COUNTER_INC(&pVM->patm.s.StatSwitchBackFail);
}
}
else
{
LogFlow(("Patch address %RRv can't be interrupted (fPIF=%d)!\n", pCtxCore->eip, CTXSUFF(pVM->patm.s.pGCState)->fPIF));
STAM_COUNTER_INC(&pVM->patm.s.StatSwitchBackFail);
}
}
}
#else /* !IN_RING3 */
AssertMsgFailed(("!IN_RING3"));
#endif /* !IN_RING3 */
if (!fPatchCode)
{
if (CTXSUFF(pVM->patm.s.pGCState)->GCPtrInhibitInterrupts == (RTRCPTR)pCtxCore->eip)
{
EMSetInhibitInterruptsPC(VMMGetCpu0(pVM), pCtxCore->eip);
}
CTXSUFF(pVM->patm.s.pGCState)->GCPtrInhibitInterrupts = 0;
/* Reset the stack pointer to the top of the stack. */
#ifdef DEBUG
if (CTXSUFF(pVM->patm.s.pGCState)->Psp != PATM_STACK_SIZE)
{
LogFlow(("PATMRawLeave: Reset PATM stack (Psp = %x)\n", CTXSUFF(pVM->patm.s.pGCState)->Psp));
}
#endif
CTXSUFF(pVM->patm.s.pGCState)->Psp = PATM_STACK_SIZE;
}
}
/**
* Interface that PDMR3Suspend, PDMR3PowerOff and PDMR3Reset uses when they wait
* for the handling of asynchronous notifications to complete.
*
* @returns VINF_SUCCESS unless a fatal error occurred. In the latter
* case an appropriate status code is returned.
* @param pUVCpu Pointer to the user mode VMCPU structure.
* @thread The emulation thread.
*/
VMMR3_INT_DECL(int) VMR3AsyncPdmNotificationWaitU(PUVMCPU pUVCpu)
{
LogFlow(("VMR3AsyncPdmNotificationWaitU:\n"));
return VMR3WaitU(pUVCpu);
}
/**
* Reap URBs in-flight on a device.
*
* @returns Pointer to a completed URB.
* @returns NULL if no URB was completed.
* @param pProxyDev The device.
* @param cMillies Number of milliseconds to wait. Use 0 to not wait at all.
*/
static PVUSBURB usbProxyFreeBSDUrbReap(PUSBPROXYDEV pProxyDev, RTMSINTERVAL cMillies)
{
struct usb_fs_endpoint *pXferEndpoint;
PUSBPROXYDEVFBSD pDevFBSD = (PUSBPROXYDEVFBSD) pProxyDev->Backend.pv;
PUSBENDPOINTFBSD pEndpointFBSD;
PVUSBURB pUrb;
struct usb_fs_complete UsbFsComplete;
struct pollfd PollFd;
int rc;
LogFlow(("usbProxyFreeBSDUrbReap: pProxyDev=%p, cMillies=%u\n",
pProxyDev, cMillies));
repeat:
pUrb = NULL;
/* check for cancelled transfers */
if (pDevFBSD->fCancelling)
{
for (unsigned n = 0; n < USBFBSD_MAXENDPOINTS; n++)
{
pEndpointFBSD = &pDevFBSD->aSwEndpoint[n];
if (pEndpointFBSD->fCancelling)
{
pEndpointFBSD->fCancelling = false;
pUrb = pEndpointFBSD->pUrb;
pEndpointFBSD->pUrb = NULL;
if (pUrb != NULL)
break;
}
}
if (pUrb != NULL)
{
pUrb->enmStatus = VUSBSTATUS_INVALID;
pUrb->Dev.pvPrivate = NULL;
switch (pUrb->enmType)
{
case VUSBXFERTYPE_MSG:
pUrb->cbData = 0;
break;
case VUSBXFERTYPE_ISOC:
pUrb->cbData = 0;
for (int n = 0; n < (int)pUrb->cIsocPkts; n++)
pUrb->aIsocPkts[n].cb = 0;
break;
default:
pUrb->cbData = 0;
break;
}
return pUrb;
}
pDevFBSD->fCancelling = false;
}
/* Zero default */
memset(&UsbFsComplete, 0, sizeof(UsbFsComplete));
/* Check if any endpoints are complete */
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_FS_COMPLETE, &UsbFsComplete, true);
if (RT_SUCCESS(rc))
{
pXferEndpoint = &pDevFBSD->aHwEndpoint[UsbFsComplete.ep_index];
pEndpointFBSD = &pDevFBSD->aSwEndpoint[UsbFsComplete.ep_index];
LogFlow(("usbProxyFreeBSDUrbReap: Reaped "
"URB %#p\n", pEndpointFBSD->pUrb));
if (pXferEndpoint->status == USB_ERR_CANCELLED)
goto repeat;
pUrb = pEndpointFBSD->pUrb;
pEndpointFBSD->pUrb = NULL;
if (pUrb == NULL)
goto repeat;
switch (pXferEndpoint->status)
{
case USB_ERR_NORMAL_COMPLETION:
pUrb->enmStatus = VUSBSTATUS_OK;
break;
case USB_ERR_STALLED:
pUrb->enmStatus = VUSBSTATUS_STALL;
break;
default:
pUrb->enmStatus = VUSBSTATUS_INVALID;
break;
}
pUrb->Dev.pvPrivate = NULL;
switch (pUrb->enmType)
{
case VUSBXFERTYPE_MSG:
pUrb->cbData = pEndpointFBSD->acbData[0] + pEndpointFBSD->acbData[1];
break;
case VUSBXFERTYPE_ISOC:
{
int n;
if (pUrb->enmDir == VUSBDIRECTION_OUT)
break;
pUrb->cbData = 0;
for (n = 0; n < (int)pUrb->cIsocPkts; n++)
{
if (n >= (int)pEndpointFBSD->cMaxFrames)
break;
pUrb->cbData += pEndpointFBSD->acbData[n];
pUrb->aIsocPkts[n].cb = pEndpointFBSD->acbData[n];
}
for (; n < (int)pUrb->cIsocPkts; n++)
pUrb->aIsocPkts[n].cb = 0;
break;
}
default:
pUrb->cbData = pEndpointFBSD->acbData[0];
break;
}
LogFlow(("usbProxyFreeBSDUrbReap: Status=%d epindex=%u "
"len[0]=%d len[1]=%d\n",
(int)pXferEndpoint->status,
(unsigned)UsbFsComplete.ep_index,
(unsigned)pEndpointFBSD->acbData[0],
(unsigned)pEndpointFBSD->acbData[1]));
}
else if (cMillies && rc == VERR_RESOURCE_BUSY)
{
/* Poll for finished transfers */
PollFd.fd = RTFileToNative(pDevFBSD->hFile);
PollFd.events = POLLIN | POLLRDNORM;
PollFd.revents = 0;
rc = poll(&PollFd, 1, (cMillies == RT_INDEFINITE_WAIT) ? INFTIM : cMillies);
if (rc >= 1)
{
goto repeat;
}
else
{
LogFlow(("usbProxyFreeBSDUrbReap: "
"poll returned rc=%d\n", rc));
}
}
return pUrb;
}
/**
* Interface that PDM the helper asynchronous notification completed methods
* uses for EMT0 when it is waiting inside VMR3AsyncPdmNotificationWaitU().
*
* @param pUVM Pointer to the user mode VM structure.
*/
VMMR3_INT_DECL(void) VMR3AsyncPdmNotificationWakeupU(PUVM pUVM)
{
LogFlow(("VMR3AsyncPdmNotificationWakeupU:\n"));
VM_FF_SET(pUVM->pVM, VM_FF_REQUEST); /* this will have to do for now. */
g_aHaltMethods[pUVM->vm.s.iHaltMethod].pfnNotifyCpuFF(&pUVM->aCpus[0], 0 /*fFlags*/);
}
/**
* \#PF Virtual Handler callback for Guest write access to the Guest's own GDT.
*
* @returns VBox status code (appropriate for trap handling and GC return).
* @param pVM VM Handle.
* @param uErrorCode CPU Error code.
* @param pRegFrame Trap register frame.
* @param pvFault The fault address (cr2).
* @param pvRange The base address of the handled virtual range.
* @param offRange The offset of the access into this range.
* (If it's a EIP range this is the EIP, if not it's pvFault.)
*/
VMMRCDECL(int) selmRCGuestGDTWriteHandler(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPTR pvRange, uintptr_t offRange)
{
PVMCPU pVCpu = VMMGetCpu0(pVM);
LogFlow(("selmRCGuestGDTWriteHandler errcode=%x fault=%RGv offRange=%08x\n", (uint32_t)uErrorCode, pvFault, offRange));
/*
* First check if this is the LDT entry.
* LDT updates are problems since an invalid LDT entry will cause trouble during worldswitch.
*/
int rc;
if (CPUMGetGuestLDTR(pVCpu) / sizeof(X86DESC) == offRange / sizeof(X86DESC))
{
Log(("LDTR selector change -> fall back to HC!!\n"));
rc = VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT;
/** @todo We're not handling changed to the selectors in LDTR and TR correctly at all.
* We should ignore any changes to those and sync them only when they are loaded by the guest! */
}
else
{
/*
* Attempt to emulate the instruction and sync the affected entries.
*/
/** @todo should check if any affected selectors are loaded. */
uint32_t cb;
rc = EMInterpretInstruction(pVM, pVCpu, pRegFrame, (RTGCPTR)(RTRCUINTPTR)pvFault, &cb);
if (RT_SUCCESS(rc) && cb)
{
unsigned iGDTE1 = offRange / sizeof(X86DESC);
int rc2 = selmGCSyncGDTEntry(pVM, pRegFrame, iGDTE1);
if (rc2 == VINF_SUCCESS)
{
Assert(cb);
unsigned iGDTE2 = (offRange + cb - 1) / sizeof(X86DESC);
if (iGDTE1 != iGDTE2)
rc2 = selmGCSyncGDTEntry(pVM, pRegFrame, iGDTE2);
if (rc2 == VINF_SUCCESS)
{
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestGDTHandled);
return rc;
}
}
if (rc == VINF_SUCCESS || RT_FAILURE(rc2))
rc = rc2;
}
else
{
Assert(RT_FAILURE(rc));
if (rc == VERR_EM_INTERPRETER)
rc = VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT;
}
}
if ( rc != VINF_EM_RAW_EMULATE_INSTR_LDT_FAULT
&& rc != VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT)
{
/* Not necessary when we need to go back to the host context to sync the LDT or TSS. */
VMCPU_FF_SET(pVCpu, VMCPU_FF_SELM_SYNC_GDT);
}
STAM_COUNTER_INC(&pVM->selm.s.StatRCWriteGuestGDTUnhandled);
return rc;
}
/**
* Create a new thread.
*
* @returns iprt status code.
* @param pThread Where to store the thread handle to the new thread. (optional)
* @param pfnThread The thread function.
* @param pvUser User argument.
* @param cbStack The size of the stack for the new thread.
* Use 0 for the default stack size.
* @param enmType The thread type. Used for deciding scheduling attributes
* of the thread.
* @param fFlags Flags of the RTTHREADFLAGS type (ORed together).
* @param pszName Thread name.
*/
RTDECL(int) RTThreadCreate(PRTTHREAD pThread, PFNRTTHREAD pfnThread, void *pvUser, size_t cbStack,
RTTHREADTYPE enmType, unsigned fFlags, const char *pszName)
{
int rc;
PRTTHREADINT pThreadInt;
LogFlow(("RTThreadCreate: pThread=%p pfnThread=%p pvUser=%p cbStack=%#x enmType=%d fFlags=%#x pszName=%p:{%s}\n",
pThread, pfnThread, pvUser, cbStack, enmType, fFlags, pszName, pszName));
/*
* Validate input.
*/
if (!VALID_PTR(pThread) && pThread)
{
Assert(VALID_PTR(pThread));
return VERR_INVALID_PARAMETER;
}
if (!VALID_PTR(pfnThread))
{
Assert(VALID_PTR(pfnThread));
return VERR_INVALID_PARAMETER;
}
if (!pszName || !*pszName || strlen(pszName) >= RTTHREAD_NAME_LEN)
{
AssertMsgFailed(("pszName=%s (max len is %d because of logging)\n", pszName, RTTHREAD_NAME_LEN - 1));
return VERR_INVALID_PARAMETER;
}
if (fFlags & ~RTTHREADFLAGS_MASK)
{
AssertMsgFailed(("fFlags=%#x\n", fFlags));
return VERR_INVALID_PARAMETER;
}
/*
* Allocate thread argument.
*/
pThreadInt = rtThreadAlloc(enmType, fFlags, 0, pszName);
if (pThreadInt)
{
RTNATIVETHREAD NativeThread;
pThreadInt->pfnThread = pfnThread;
pThreadInt->pvUser = pvUser;
pThreadInt->cbStack = cbStack;
rc = rtThreadNativeCreate(pThreadInt, &NativeThread);
if (RT_SUCCESS(rc))
{
rtThreadInsert(pThreadInt, NativeThread);
rtThreadRelease(pThreadInt);
Log(("RTThreadCreate: Created thread %p (%p) %s\n", pThreadInt, NativeThread, pszName));
if (pThread)
*pThread = pThreadInt;
return VINF_SUCCESS;
}
pThreadInt->cRefs = 1;
rtThreadRelease(pThreadInt);
}
else
rc = VERR_NO_TMP_MEMORY;
LogFlow(("RTThreadCreate: Failed to create thread, rc=%Rrc\n", rc));
AssertReleaseRC(rc);
return rc;
}
/**
* Executes hardware accelerated raw code. (Intel VT-x & AMD-V)
*
* This function contains the raw-mode version of the inner
* execution loop (the outer loop being in EMR3ExecuteVM()).
*
* @returns VBox status code. The most important ones are: VINF_EM_RESCHEDULE, VINF_EM_RESCHEDULE_RAW,
* VINF_EM_RESCHEDULE_REM, VINF_EM_SUSPEND, VINF_EM_RESET and VINF_EM_TERMINATE.
*
* @param pVM The cross context VM structure.
* @param pVCpu The cross context virtual CPU structure.
* @param pfFFDone Where to store an indicator telling whether or not
* FFs were done before returning.
*/
int emR3HmExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone)
{
int rc = VERR_IPE_UNINITIALIZED_STATUS;
PCPUMCTX pCtx = pVCpu->em.s.pCtx;
LogFlow(("emR3HmExecute%d: (cs:eip=%04x:%RGv)\n", pVCpu->idCpu, pCtx->cs.Sel, (RTGCPTR)pCtx->rip));
*pfFFDone = false;
STAM_COUNTER_INC(&pVCpu->em.s.StatHmExecuteEntry);
#ifdef EM_NOTIFY_HM
HMR3NotifyScheduled(pVCpu);
#endif
/*
* Spin till we get a forced action which returns anything but VINF_SUCCESS.
*/
for (;;)
{
STAM_PROFILE_ADV_START(&pVCpu->em.s.StatHmEntry, a);
/* Check if a forced reschedule is pending. */
if (HMR3IsRescheduleRequired(pVM, pCtx))
{
rc = VINF_EM_RESCHEDULE;
break;
}
/*
* Process high priority pre-execution raw-mode FFs.
*/
#ifdef VBOX_WITH_RAW_MODE
Assert(!VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_SELM_SYNC_TSS | VMCPU_FF_SELM_SYNC_GDT | VMCPU_FF_SELM_SYNC_LDT));
#endif
if ( VM_FF_IS_PENDING(pVM, VM_FF_HIGH_PRIORITY_PRE_RAW_MASK)
|| VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_HIGH_PRIORITY_PRE_RAW_MASK))
{
rc = emR3HmForcedActions(pVM, pVCpu, pCtx);
if (rc != VINF_SUCCESS)
break;
}
#ifdef LOG_ENABLED
/*
* Log important stuff before entering GC.
*/
if (TRPMHasTrap(pVCpu))
Log(("CPU%d: Pending hardware interrupt=0x%x cs:rip=%04X:%RGv\n", pVCpu->idCpu, TRPMGetTrapNo(pVCpu), pCtx->cs.Sel, (RTGCPTR)pCtx->rip));
uint32_t cpl = CPUMGetGuestCPL(pVCpu);
if (pVM->cCpus == 1)
{
if (pCtx->eflags.Bits.u1VM)
Log(("HWV86: %08X IF=%d\n", pCtx->eip, pCtx->eflags.Bits.u1IF));
else if (CPUMIsGuestIn64BitCodeEx(pCtx))
Log(("HWR%d: %04X:%RGv ESP=%RGv IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pCtx->cs.Sel, (RTGCPTR)pCtx->rip, pCtx->rsp, pCtx->eflags.Bits.u1IF, pCtx->eflags.Bits.u2IOPL, (uint32_t)pCtx->cr0, (uint32_t)pCtx->cr4, (uint32_t)pCtx->msrEFER));
else
Log(("HWR%d: %04X:%08X ESP=%08X IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pCtx->cs.Sel, pCtx->eip, pCtx->esp, pCtx->eflags.Bits.u1IF, pCtx->eflags.Bits.u2IOPL, (uint32_t)pCtx->cr0, (uint32_t)pCtx->cr4, (uint32_t)pCtx->msrEFER));
}
else
{
if (pCtx->eflags.Bits.u1VM)
Log(("HWV86-CPU%d: %08X IF=%d\n", pVCpu->idCpu, pCtx->eip, pCtx->eflags.Bits.u1IF));
else if (CPUMIsGuestIn64BitCodeEx(pCtx))
Log(("HWR%d-CPU%d: %04X:%RGv ESP=%RGv IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->idCpu, pCtx->cs.Sel, (RTGCPTR)pCtx->rip, pCtx->rsp, pCtx->eflags.Bits.u1IF, pCtx->eflags.Bits.u2IOPL, (uint32_t)pCtx->cr0, (uint32_t)pCtx->cr4, (uint32_t)pCtx->msrEFER));
else
Log(("HWR%d-CPU%d: %04X:%08X ESP=%08X IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->idCpu, pCtx->cs.Sel, pCtx->eip, pCtx->esp, pCtx->eflags.Bits.u1IF, pCtx->eflags.Bits.u2IOPL, (uint32_t)pCtx->cr0, (uint32_t)pCtx->cr4, (uint32_t)pCtx->msrEFER));
}
#endif /* LOG_ENABLED */
/*
* Execute the code.
*/
STAM_PROFILE_ADV_STOP(&pVCpu->em.s.StatHmEntry, a);
if (RT_LIKELY(emR3IsExecutionAllowed(pVM, pVCpu)))
{
STAM_PROFILE_START(&pVCpu->em.s.StatHmExec, x);
rc = VMMR3HmRunGC(pVM, pVCpu);
STAM_PROFILE_STOP(&pVCpu->em.s.StatHmExec, x);
}
else
{
/* Give up this time slice; virtual time continues */
STAM_REL_PROFILE_ADV_START(&pVCpu->em.s.StatCapped, u);
RTThreadSleep(5);
STAM_REL_PROFILE_ADV_STOP(&pVCpu->em.s.StatCapped, u);
rc = VINF_SUCCESS;
}
/*
* Deal with high priority post execution FFs before doing anything else.
*/
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_RESUME_GUEST_MASK);
if ( VM_FF_IS_PENDING(pVM, VM_FF_HIGH_PRIORITY_POST_MASK)
|| VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK))
rc = emR3HighPriorityPostForcedActions(pVM, pVCpu, rc);
/*
* Process the returned status code.
*/
if (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)
break;
rc = emR3HmHandleRC(pVM, pVCpu, pCtx, rc);
if (rc != VINF_SUCCESS)
break;
/*
* Check and execute forced actions.
*/
#ifdef VBOX_HIGH_RES_TIMERS_HACK
TMTimerPollVoid(pVM, pVCpu);
#endif
if ( VM_FF_IS_PENDING(pVM, VM_FF_ALL_MASK)
|| VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_ALL_MASK))
{
rc = emR3ForcedActions(pVM, pVCpu, rc);
VBOXVMM_EM_FF_ALL_RET(pVCpu, rc);
if ( rc != VINF_SUCCESS
&& rc != VINF_EM_RESCHEDULE_HM)
{
*pfFFDone = true;
break;
}
}
}
/*
* Return to outer loop.
*/
#if defined(LOG_ENABLED) && defined(DEBUG)
RTLogFlush(NULL);
#endif
return rc;
}
/**
* Common worker for the debug and normal APIs.
*
* @returns VINF_SUCCESS if entered successfully.
* @returns rcBusy when encountering a busy critical section in GC/R0.
* @returns VERR_SEM_DESTROYED if the critical section is dead.
*
* @param pCritSect The PDM critical section to enter.
* @param rcBusy The status code to return when we're in GC or R0
* and the section is busy.
*/
DECL_FORCE_INLINE(int) pdmCritSectEnter(PPDMCRITSECT pCritSect, int rcBusy, PCRTLOCKVALSRCPOS pSrcPos)
{
Assert(pCritSect->s.Core.cNestings < 8); /* useful to catch incorrect locking */
Assert(pCritSect->s.Core.cNestings >= 0);
/*
* If the critical section has already been destroyed, then inform the caller.
*/
AssertMsgReturn(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC,
("%p %RX32\n", pCritSect, pCritSect->s.Core.u32Magic),
VERR_SEM_DESTROYED);
/*
* See if we're lucky.
*/
/* NOP ... */
if (pCritSect->s.Core.fFlags & RTCRITSECT_FLAGS_NOP)
return VINF_SUCCESS;
RTNATIVETHREAD hNativeSelf = pdmCritSectGetNativeSelf(pCritSect);
/* ... not owned ... */
if (ASMAtomicCmpXchgS32(&pCritSect->s.Core.cLockers, 0, -1))
return pdmCritSectEnterFirst(pCritSect, hNativeSelf, pSrcPos);
/* ... or nested. */
if (pCritSect->s.Core.NativeThreadOwner == hNativeSelf)
{
ASMAtomicIncS32(&pCritSect->s.Core.cLockers);
ASMAtomicIncS32(&pCritSect->s.Core.cNestings);
Assert(pCritSect->s.Core.cNestings > 1);
return VINF_SUCCESS;
}
/*
* Spin for a bit without incrementing the counter.
*/
/** @todo Move this to cfgm variables since it doesn't make sense to spin on UNI
* cpu systems. */
int32_t cSpinsLeft = CTX_SUFF(PDMCRITSECT_SPIN_COUNT_);
while (cSpinsLeft-- > 0)
{
if (ASMAtomicCmpXchgS32(&pCritSect->s.Core.cLockers, 0, -1))
return pdmCritSectEnterFirst(pCritSect, hNativeSelf, pSrcPos);
ASMNopPause();
/** @todo Should use monitor/mwait on e.g. &cLockers here, possibly with a
cli'ed pendingpreemption check up front using sti w/ instruction fusing
for avoiding races. Hmm ... This is assuming the other party is actually
executing code on another CPU ... which we could keep track of if we
wanted. */
}
#ifdef IN_RING3
/*
* Take the slow path.
*/
return pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
#else
# ifdef IN_RING0
/** @todo If preemption is disabled it means we're in VT-x/AMD-V context
* and would be better off switching out of that while waiting for
* the lock. Several of the locks jumps back to ring-3 just to
* get the lock, the ring-3 code will then call the kernel to do
* the lock wait and when the call return it will call ring-0
* again and resume via in setjmp style. Not very efficient. */
# if 0
if (ASMIntAreEnabled()) /** @todo this can be handled as well by changing
* callers not prepared for longjmp/blocking to
* use PDMCritSectTryEnter. */
{
/*
* Leave HWACCM context while waiting if necessary.
*/
int rc;
if (RTThreadPreemptIsEnabled(NIL_RTTHREAD))
{
STAM_REL_COUNTER_ADD(&pCritSect->s.StatContentionRZLock, 1000000);
rc = pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
}
else
{
STAM_REL_COUNTER_ADD(&pCritSect->s.StatContentionRZLock, 1000000000);
PVM pVM = pCritSect->s.CTX_SUFF(pVM);
PVMCPU pVCpu = VMMGetCpu(pVM);
HWACCMR0Leave(pVM, pVCpu);
RTThreadPreemptRestore(NIL_RTTHREAD, ????);
rc = pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
RTThreadPreemptDisable(NIL_RTTHREAD, ????);
HWACCMR0Enter(pVM, pVCpu);
}
return rc;
}
# else
/*
* We preemption hasn't been disabled, we can block here in ring-0.
*/
if ( RTThreadPreemptIsEnabled(NIL_RTTHREAD)
&& ASMIntAreEnabled())
return pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
# endif
#endif /* IN_RING0 */
STAM_REL_COUNTER_INC(&pCritSect->s.StatContentionRZLock);
/*
* Call ring-3 to acquire the critical section?
*/
if (rcBusy == VINF_SUCCESS)
{
PVM pVM = pCritSect->s.CTX_SUFF(pVM); AssertPtr(pVM);
PVMCPU pVCpu = VMMGetCpu(pVM); AssertPtr(pVCpu);
return VMMRZCallRing3(pVM, pVCpu, VMMCALLRING3_PDM_CRIT_SECT_ENTER, MMHyperCCToR3(pVM, pCritSect));
}
/*
* Return busy.
*/
LogFlow(("PDMCritSectEnter: locked => R3 (%Rrc)\n", rcBusy));
return rcBusy;
#endif /* !IN_RING3 */
}
/**
* Checks I/O access for guest or hypervisor breakpoints.
*
* @returns Strict VBox status code
* @retval VINF_SUCCESS no breakpoint.
* @retval VINF_EM_DBG_BREAKPOINT hypervisor breakpoint triggered.
* @retval VINF_EM_RAW_GUEST_TRAP guest breakpoint triggered, DR6 and DR7 have
* been updated appropriately.
*
* @param pVM The cross context VM structure.
* @param pVCpu The cross context CPU structure for the calling EMT.
* @param pCtx The CPU context for the calling EMT.
* @param uIoPort The I/O port being accessed.
* @param cbValue The size/width of the access, in bytes.
*/
VMM_INT_DECL(VBOXSTRICTRC) DBGFBpCheckIo(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, RTIOPORT uIoPort, uint8_t cbValue)
{
uint32_t const uIoPortFirst = uIoPort;
uint32_t const uIoPortLast = uIoPortFirst + cbValue - 1;
/*
* Check hyper breakpoints first as the VMM debugger has priority over
* the guest.
*/
for (unsigned iBp = 0; iBp < RT_ELEMENTS(pVM->dbgf.s.aHwBreakpoints); iBp++)
{
if ( pVM->dbgf.s.aHwBreakpoints[iBp].u.Reg.fType == X86_DR7_RW_IO
&& pVM->dbgf.s.aHwBreakpoints[iBp].fEnabled
&& pVM->dbgf.s.aHwBreakpoints[iBp].enmType == DBGFBPTYPE_REG )
{
uint8_t cbReg = pVM->dbgf.s.aHwBreakpoints[iBp].u.Reg.cb; Assert(RT_IS_POWER_OF_TWO(cbReg));
uint64_t uDrXFirst = pVM->dbgf.s.aHwBreakpoints[iBp].GCPtr & ~(uint64_t)(cbReg - 1);
uint64_t uDrXLast = uDrXFirst + cbReg - 1;
if (uDrXFirst <= uIoPortLast && uDrXLast >= uIoPortFirst)
{
/* (See also DBGFRZTrap01Handler.) */
pVCpu->dbgf.s.iActiveBp = pVM->dbgf.s.aHwBreakpoints[iBp].iBp;
pVCpu->dbgf.s.fSingleSteppingRaw = false;
LogFlow(("DBGFBpCheckIo: hit hw breakpoint %d at %04x:%RGv (iop %#x)\n",
pVM->dbgf.s.aHwBreakpoints[iBp].iBp, pCtx->cs.Sel, pCtx->rip, uIoPort));
return VINF_EM_DBG_BREAKPOINT;
}
}
}
/*
* Check the guest.
*/
uint32_t const uDr7 = pCtx->dr[7];
if ( (uDr7 & X86_DR7_ENABLED_MASK)
&& X86_DR7_ANY_RW_IO(uDr7)
&& (pCtx->cr4 & X86_CR4_DE) )
{
for (unsigned iBp = 0; iBp < 4; iBp++)
{
if ( (uDr7 & X86_DR7_L_G(iBp))
&& X86_DR7_GET_RW(uDr7, iBp) == X86_DR7_RW_IO)
{
/* ASSUME the breakpoint and the I/O width qualifier uses the same encoding (1 2 x 4). */
static uint8_t const s_abInvAlign[4] = { 0, 1, 7, 3 };
uint8_t cbInvAlign = s_abInvAlign[X86_DR7_GET_LEN(uDr7, iBp)];
uint64_t uDrXFirst = pCtx->dr[iBp] & ~(uint64_t)cbInvAlign;
uint64_t uDrXLast = uDrXFirst + cbInvAlign;
if (uDrXFirst <= uIoPortLast && uDrXLast >= uIoPortFirst)
{
/*
* Update DR6 and DR7.
*
* See "AMD64 Architecture Programmer's Manual Volume 2",
* chapter 13.1.1.3 for details on DR6 bits. The basics is
* that the B0..B3 bits are always cleared while the others
* must be cleared by software.
*
* The following sub chapters says the GD bit is always
* cleared when generating a #DB so the handler can safely
* access the debug registers.
*/
pCtx->dr[6] &= ~X86_DR6_B_MASK;
pCtx->dr[6] |= X86_DR6_B(iBp);
pCtx->dr[7] &= ~X86_DR7_GD;
LogFlow(("DBGFBpCheckIo: hit hw breakpoint %d at %04x:%RGv (iop %#x)\n",
pVM->dbgf.s.aHwBreakpoints[iBp].iBp, pCtx->cs.Sel, pCtx->rip, uIoPort));
return VINF_EM_RAW_GUEST_TRAP;
}
}
}
}
return VINF_SUCCESS;
}
/**
* Leaves a critical section entered with PDMCritSectEnter().
*
* @param pCritSect The PDM critical section to leave.
*/
VMMDECL(void) PDMCritSectLeave(PPDMCRITSECT pCritSect)
{
AssertMsg(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC, ("%p %RX32\n", pCritSect, pCritSect->s.Core.u32Magic));
Assert(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC);
/* Check for NOP sections before asserting ownership. */
if (pCritSect->s.Core.fFlags & RTCRITSECT_FLAGS_NOP)
return;
/*
* Always check that the caller is the owner (screw performance).
*/
RTNATIVETHREAD const hNativeSelf = pdmCritSectGetNativeSelf(pCritSect);
AssertReleaseMsgReturnVoid(pCritSect->s.Core.NativeThreadOwner == hNativeSelf,
("%p %s: %p != %p; cLockers=%d cNestings=%d\n", pCritSect, R3STRING(pCritSect->s.pszName),
pCritSect->s.Core.NativeThreadOwner, hNativeSelf,
pCritSect->s.Core.cLockers, pCritSect->s.Core.cNestings));
Assert(pCritSect->s.Core.cNestings >= 1);
/*
* Nested leave.
*/
if (pCritSect->s.Core.cNestings > 1)
{
ASMAtomicDecS32(&pCritSect->s.Core.cNestings);
Assert(pCritSect->s.Core.cNestings >= 1);
ASMAtomicDecS32(&pCritSect->s.Core.cLockers);
Assert(pCritSect->s.Core.cLockers >= 0);
return;
}
#ifdef IN_RING0
# if 0 /** @todo Make SUPSemEventSignal interrupt safe (handle table++) and enable this for: defined(RT_OS_LINUX) || defined(RT_OS_OS2) */
if (1) /* SUPSemEventSignal is safe */
# else
if (ASMIntAreEnabled())
# endif
#endif
#if defined(IN_RING3) || defined(IN_RING0)
{
/*
* Leave for real.
*/
/* update members. */
# ifdef IN_RING3
RTSEMEVENT hEventToSignal = pCritSect->s.EventToSignal;
pCritSect->s.EventToSignal = NIL_RTSEMEVENT;
# if defined(PDMCRITSECT_STRICT)
if (pCritSect->s.Core.pValidatorRec->hThread != NIL_RTTHREAD)
RTLockValidatorRecExclReleaseOwnerUnchecked(pCritSect->s.Core.pValidatorRec);
# endif
Assert(!pCritSect->s.Core.pValidatorRec || pCritSect->s.Core.pValidatorRec->hThread == NIL_RTTHREAD);
# endif
ASMAtomicAndU32(&pCritSect->s.Core.fFlags, ~PDMCRITSECT_FLAGS_PENDING_UNLOCK);
ASMAtomicWriteHandle(&pCritSect->s.Core.NativeThreadOwner, NIL_RTNATIVETHREAD);
ASMAtomicDecS32(&pCritSect->s.Core.cNestings);
Assert(pCritSect->s.Core.cNestings == 0);
/* stop and decrement lockers. */
STAM_PROFILE_ADV_STOP(&pCritSect->s.StatLocked, l);
ASMCompilerBarrier();
if (ASMAtomicDecS32(&pCritSect->s.Core.cLockers) >= 0)
{
/* Someone is waiting, wake up one of them. */
SUPSEMEVENT hEvent = (SUPSEMEVENT)pCritSect->s.Core.EventSem;
PSUPDRVSESSION pSession = pCritSect->s.CTX_SUFF(pVM)->pSession;
int rc = SUPSemEventSignal(pSession, hEvent);
AssertRC(rc);
}
# ifdef IN_RING3
/* Signal exit event. */
if (hEventToSignal != NIL_RTSEMEVENT)
{
LogBird(("Signalling %#x\n", hEventToSignal));
int rc = RTSemEventSignal(hEventToSignal);
AssertRC(rc);
}
# endif
# if defined(DEBUG_bird) && defined(IN_RING0)
VMMTrashVolatileXMMRegs();
# endif
}
#endif /* IN_RING3 || IN_RING0 */
#ifdef IN_RING0
else
#endif
#if defined(IN_RING0) || defined(IN_RC)
{
/*
* Try leave it.
*/
if (pCritSect->s.Core.cLockers == 0)
{
ASMAtomicWriteS32(&pCritSect->s.Core.cNestings, 0);
RTNATIVETHREAD hNativeThread = pCritSect->s.Core.NativeThreadOwner;
ASMAtomicAndU32(&pCritSect->s.Core.fFlags, ~PDMCRITSECT_FLAGS_PENDING_UNLOCK);
STAM_PROFILE_ADV_STOP(&pCritSect->s.StatLocked, l);
ASMAtomicWriteHandle(&pCritSect->s.Core.NativeThreadOwner, NIL_RTNATIVETHREAD);
if (ASMAtomicCmpXchgS32(&pCritSect->s.Core.cLockers, -1, 0))
return;
/* darn, someone raced in on us. */
ASMAtomicWriteHandle(&pCritSect->s.Core.NativeThreadOwner, hNativeThread);
STAM_PROFILE_ADV_START(&pCritSect->s.StatLocked, l);
Assert(pCritSect->s.Core.cNestings == 0);
ASMAtomicWriteS32(&pCritSect->s.Core.cNestings, 1);
}
ASMAtomicOrU32(&pCritSect->s.Core.fFlags, PDMCRITSECT_FLAGS_PENDING_UNLOCK);
/*
* Queue the request.
*/
PVM pVM = pCritSect->s.CTX_SUFF(pVM); AssertPtr(pVM);
PVMCPU pVCpu = VMMGetCpu(pVM); AssertPtr(pVCpu);
uint32_t i = pVCpu->pdm.s.cQueuedCritSectLeaves++;
LogFlow(("PDMCritSectLeave: [%d]=%p => R3\n", i, pCritSect));
AssertFatal(i < RT_ELEMENTS(pVCpu->pdm.s.apQueuedCritSectsLeaves));
pVCpu->pdm.s.apQueuedCritSectsLeaves[i] = MMHyperCCToR3(pVM, pCritSect);
VMCPU_FF_SET(pVCpu, VMCPU_FF_PDM_CRITSECT);
VMCPU_FF_SET(pVCpu, VMCPU_FF_TO_R3);
STAM_REL_COUNTER_INC(&pVM->pdm.s.StatQueuedCritSectLeaves);
STAM_REL_COUNTER_INC(&pCritSect->s.StatContentionRZUnlock);
}
#endif /* IN_RING0 || IN_RC */
}
/**
* @interface_method_impl{USBPROXYBACK,pfnUrbQueue}
*/
static DECLCALLBACK(int) usbProxyFreeBSDUrbQueue(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
PUSBENDPOINTFBSD pEndpointFBSD;
struct usb_fs_endpoint *pXferEndpoint;
struct usb_fs_start UsbFsStart;
unsigned cFrames;
uint8_t *pbData;
int index;
int ep_num;
int rc;
LogFlow(("usbProxyFreeBSDUrbQueue: pUrb=%p EndPt=%u Dir=%u\n",
pUrb, (unsigned)pUrb->EndPt, (unsigned)pUrb->enmDir));
ep_num = pUrb->EndPt;
if ((pUrb->enmType != VUSBXFERTYPE_MSG) && (pUrb->enmDir == VUSBDIRECTION_IN)) {
/* set IN-direction bit */
ep_num |= 0x80;
}
index = 0;
retry:
index = usbProxyFreeBSDEndpointOpen(pProxyDev, ep_num,
(pUrb->enmType == VUSBXFERTYPE_ISOC),
index);
if (index < 0)
return VERR_INVALID_PARAMETER;
pEndpointFBSD = &pDevFBSD->aSwEndpoint[index];
pXferEndpoint = &pDevFBSD->aHwEndpoint[index];
pbData = pUrb->abData;
switch (pUrb->enmType)
{
case VUSBXFERTYPE_MSG:
{
pEndpointFBSD->apvData[0] = pbData;
pEndpointFBSD->acbData[0] = 8;
/* check wLength */
if (pbData[6] || pbData[7])
{
pEndpointFBSD->apvData[1] = pbData + 8;
pEndpointFBSD->acbData[1] = pbData[6] | (pbData[7] << 8);
cFrames = 2;
}
else
{
pEndpointFBSD->apvData[1] = NULL;
pEndpointFBSD->acbData[1] = 0;
cFrames = 1;
}
LogFlow(("usbProxyFreeBSDUrbQueue: pUrb->cbData=%u, 0x%02x, "
"0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
pUrb->cbData, pbData[0], pbData[1], pbData[2], pbData[3],
pbData[4], pbData[5], pbData[6], pbData[7]));
pXferEndpoint->timeout = USB_FS_TIMEOUT_NONE;
pXferEndpoint->flags = USB_FS_FLAG_MULTI_SHORT_OK;
break;
}
case VUSBXFERTYPE_ISOC:
{
unsigned i;
for (i = 0; i < pUrb->cIsocPkts; i++)
{
if (i >= pEndpointFBSD->cMaxFrames)
break;
pEndpointFBSD->apvData[i] = pbData + pUrb->aIsocPkts[i].off;
pEndpointFBSD->acbData[i] = pUrb->aIsocPkts[i].cb;
}
/* Timeout handling will be done during reap. */
pXferEndpoint->timeout = USB_FS_TIMEOUT_NONE;
pXferEndpoint->flags = USB_FS_FLAG_MULTI_SHORT_OK;
cFrames = i;
break;
}
default:
{
pEndpointFBSD->apvData[0] = pbData;
pEndpointFBSD->cbData0 = pUrb->cbData;
/* XXX maybe we have to loop */
if (pUrb->cbData > pEndpointFBSD->cMaxIo)
pEndpointFBSD->acbData[0] = pEndpointFBSD->cMaxIo;
else
pEndpointFBSD->acbData[0] = pUrb->cbData;
/* Timeout handling will be done during reap. */
pXferEndpoint->timeout = USB_FS_TIMEOUT_NONE;
pXferEndpoint->flags = pUrb->fShortNotOk ? 0 : USB_FS_FLAG_MULTI_SHORT_OK;
cFrames = 1;
break;
}
}
/* store number of frames */
pXferEndpoint->nFrames = cFrames;
/* zero-default */
memset(&UsbFsStart, 0, sizeof(UsbFsStart));
/* Start the transfer */
UsbFsStart.ep_index = index;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_FS_START, &UsbFsStart, true);
LogFlow(("usbProxyFreeBSDUrbQueue: USB_FS_START returned rc=%d "
"len[0]=%u len[1]=%u cbData=%u index=%u ep_num=%u\n", rc,
(unsigned)pEndpointFBSD->acbData[0],
(unsigned)pEndpointFBSD->acbData[1],
(unsigned)pUrb->cbData,
(unsigned)index, (unsigned)ep_num));
if (RT_FAILURE(rc))
{
if (rc == VERR_RESOURCE_BUSY)
{
index++;
goto retry;
}
return rc;
}
pUrb->Dev.pvPrivate = (void *)(long)(index + 1);
pEndpointFBSD->pUrb = pUrb;
return rc;
}
static uint32_t parallel_ioport_read(void *opaque, uint32_t addr, int *pRC)
{
ParallelState *s = (ParallelState *)opaque;
uint32_t ret = ~0U;
*pRC = VINF_SUCCESS;
addr &= 7;
switch(addr) {
default:
case 0:
if (!(s->reg_control & LPT_CONTROL_ENABLE_BIDIRECT))
ret = s->reg_data;
else
{
#ifndef IN_RING3
*pRC = VINF_IOM_HC_IOPORT_READ;
#else
if (RT_LIKELY(s->pDrvHostParallelConnector))
{
size_t cbRead;
int rc = s->pDrvHostParallelConnector->pfnRead(s->pDrvHostParallelConnector, &s->reg_data, &cbRead);
Log(("parallel_io_port_read: read 0x%X\n", s->reg_data));
AssertRC(rc);
}
ret = s->reg_data;
#endif
}
break;
case 1:
#ifndef IN_RING3
*pRC = VINF_IOM_HC_IOPORT_READ;
#else
if (RT_LIKELY(s->pDrvHostParallelConnector))
{
int rc = s->pDrvHostParallelConnector->pfnReadStatus(s->pDrvHostParallelConnector, &s->reg_status);
AssertRC(rc);
}
ret = s->reg_status;
parallel_clear_irq(s);
#endif
break;
case 2:
ret = s->reg_control;
break;
case 3:
ret = s->reg_epp_addr;
break;
case 4:
ret = s->reg_epp_data;
break;
case 5:
break;
case 6:
break;
case 7:
break;
}
LogFlow(("parallel: read addr=0x%02x val=0x%02x\n", addr, ret));
return ret;
}
/**
* Checks for a Guest Additions update by comparing the installed version on the
* guest and the reported host version.
*
* @returns VBox status code
*
* @param u32ClientId The client id returned by
* VbglR3InfoSvcConnect().
* @param pfUpdate Receives pointer to boolean flag indicating
* whether an update was found or not.
* @param ppszHostVersion Receives pointer of allocated version string.
* The returned pointer must be freed using
* VbglR3GuestPropReadValueFree(). Always set to
* NULL.
* @param ppszGuestVersion Receives pointer of allocated revision string.
* The returned pointer must be freed using
* VbglR3GuestPropReadValueFree(). Always set to
* NULL.
*/
VBGLR3DECL(int) VbglR3HostVersionCheckForUpdate(uint32_t u32ClientId, bool *pfUpdate, char **ppszHostVersion, char **ppszGuestVersion)
{
Assert(u32ClientId > 0);
AssertPtr(pfUpdate);
AssertPtr(ppszHostVersion);
AssertPtr(ppszGuestVersion);
*ppszHostVersion = NULL;
*ppszGuestVersion = NULL;
/* We assume we have an update initially.
Every block down below is allowed to veto */
*pfUpdate = true;
/* Do we need to do all this stuff? */
char *pszCheckHostVersion;
int rc = VbglR3GuestPropReadValueAlloc(u32ClientId, "/VirtualBox/GuestAdd/CheckHostVersion", &pszCheckHostVersion);
if (RT_FAILURE(rc))
{
if (rc == VERR_NOT_FOUND)
rc = VINF_SUCCESS; /* If we don't find the value above we do the check by default */
else
LogFlow(("Could not read check host version flag! rc = %Rrc\n", rc));
}
else
{
/* Only don't do the check if we have a valid "0" in it */
if (!strcmp(pszCheckHostVersion, "0"))
{
LogRel(("No host version update check performed (disabled).\n"));
*pfUpdate = false;
}
VbglR3GuestPropReadValueFree(pszCheckHostVersion);
}
/* Collect all needed information */
/* Make sure we only notify the user once by comparing the host version with
* the last checked host version (if any) */
if (RT_SUCCESS(rc) && *pfUpdate)
{
/* Look up host version */
rc = VbglR3GuestPropReadValueAlloc(u32ClientId, "/VirtualBox/HostInfo/VBoxVer", ppszHostVersion);
if (RT_FAILURE(rc))
{
LogFlow(("Could not read VBox host version! rc = %Rrc\n", rc));
}
else
{
LogFlow(("Host version: %s\n", *ppszHostVersion));
/* Get last checked host version */
char *pszLastCheckedHostVersion;
rc = VbglR3HostVersionLastCheckedLoad(u32ClientId, &pszLastCheckedHostVersion);
if (RT_SUCCESS(rc))
{
LogFlow(("Last checked host version: %s\n", pszLastCheckedHostVersion));
if (strcmp(*ppszHostVersion, pszLastCheckedHostVersion) == 0)
*pfUpdate = false; /* We already notified this version, skip */
VbglR3GuestPropReadValueFree(pszLastCheckedHostVersion);
}
else if (rc == VERR_NOT_FOUND) /* Never wrote a last checked host version before */
{
LogFlow(("Never checked a host version before.\n"));
rc = VINF_SUCCESS;
}
}
/* Look up guest version */
if (RT_SUCCESS(rc))
{
rc = VbglR3GetAdditionsVersion(ppszGuestVersion, NULL /* Extended version not needed here */,
NULL /* Revision not needed here */);
if (RT_FAILURE(rc))
LogFlow(("Could not read VBox guest version! rc = %Rrc\n", rc));
}
}
/* Do the actual version comparison (if needed, see block(s) above) */
if (RT_SUCCESS(rc) && *pfUpdate)
{
if (RTStrVersionCompare(*ppszHostVersion, *ppszGuestVersion) > 0) /* Is host version greater than guest add version? */
{
/* Yay, we have an update! */
LogRel(("Guest Additions update found! Please upgrade this machine to the latest Guest Additions.\n"));
}
else
{
/* How sad ... */
*pfUpdate = false;
}
}
/* Cleanup on failure */
if (RT_FAILURE(rc))
{
if (*ppszHostVersion)
{
VbglR3GuestPropReadValueFree(*ppszHostVersion);
*ppszHostVersion = NULL;
}
if (*ppszGuestVersion)
{
VbglR3GuestPropReadValueFree(*ppszGuestVersion);
*ppszGuestVersion = NULL;
}
}
return rc;
}
void Display::processDisplayData(void *pvVRAM, unsigned uScreenId)
{
if (uScreenId >= mcMonitors)
{
LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
return;
}
/* Get the display information structure. */
DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
uint8_t *pu8 = (uint8_t *)pvVRAM;
pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
// @todo
uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
VBOXVIDEOINFOHDR *pHdr;
for (;;)
{
pHdr = (VBOXVIDEOINFOHDR *)pu8;
pu8 += sizeof(VBOXVIDEOINFOHDR);
if (pu8 >= pu8End)
{
LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
break;
}
if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
{
if (pHdr->u16Length != sizeof(VBOXVIDEOINFOSCREEN))
{
LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
break;
}
VBOXVIDEOINFOSCREEN *pScreen = (VBOXVIDEOINFOSCREEN *)pu8;
pFBInfo->xOrigin = pScreen->xOrigin;
pFBInfo->yOrigin = pScreen->yOrigin;
pFBInfo->w = pScreen->u16Width;
pFBInfo->h = pScreen->u16Height;
LogRelFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width,
pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
{
/* Primary screen resize is eeeeeeeee by the VGA device. */
if (pFBInfo->fDisabled)
{
pFBInfo->fDisabled = false;
fireGuestMonitorChangedEvent(mParent->i_getEventSource(),
GuestMonitorChangedEventType_Enabled,
uScreenId,
pFBInfo->xOrigin, pFBInfo->yOrigin,
pFBInfo->w, pFBInfo->h);
}
i_handleDisplayResize(uScreenId, pScreen->bitsPerPixel,
(uint8_t *)pvVRAM + pFBInfo->u32Offset,
pScreen->u32LineSize,
pScreen->u16Width, pScreen->u16Height,
VBVA_SCREEN_F_ACTIVE);
}
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
{
if (pHdr->u16Length != 0)
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
break;
}
break;
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
{
if (pHdr->u16Length != sizeof(VBOXVIDEOINFOHOSTEVENTS))
{
LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
break;
}
VBOXVIDEOINFOHOSTEVENTS *pHostEvents = (VBOXVIDEOINFOHOSTEVENTS *)pu8;
pFBInfo->pHostEvents = pHostEvents;
LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
pHostEvents));
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
{
if (pHdr->u16Length != sizeof(VBOXVIDEOINFOLINK))
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
break;
}
VBOXVIDEOINFOLINK *pLink = (VBOXVIDEOINFOLINK *)pu8;
pu8 += pLink->i32Offset;
}
else
{
LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
}
pu8 += pHdr->u16Length;
}
}
