Ejemplo n.º 1
0
/**
 * Convert from zlib to IPRT status codes.
 *
 * This will also set the fFatalError flag when appropriate.
 *
 * @returns IPRT status code.
 * @param   pThis           The gzip I/O stream instance data.
 * @param   rc              Zlib error code.
 */
static int rtZipGzipConvertErrFromZlib(PRTZIPGZIPSTREAM pThis, int rc)
{
    switch (rc)
    {
        case Z_OK:
            return VINF_SUCCESS;

        case Z_BUF_ERROR:
            /* This isn't fatal. */
            return VINF_SUCCESS; /** @todo The code in zip.cpp treats Z_BUF_ERROR as fatal... */

        case Z_STREAM_ERROR:
            pThis->fFatalError = true;
            return VERR_ZIP_CORRUPTED;

        case Z_DATA_ERROR:
            pThis->fFatalError = true;
            return pThis->fDecompress ? VERR_ZIP_CORRUPTED : VERR_ZIP_ERROR;

        case Z_MEM_ERROR:
            pThis->fFatalError = true;
            return VERR_ZIP_NO_MEMORY;

        case Z_VERSION_ERROR:
            pThis->fFatalError = true;
            return VERR_ZIP_UNSUPPORTED_VERSION;

        case Z_ERRNO: /* We shouldn't see this status! */
        default:
            AssertMsgFailed(("%d\n", rc));
            if (rc >= 0)
                return VINF_SUCCESS;
            pThis->fFatalError = true;
            return VERR_ZIP_ERROR;
    }
}
Ejemplo n.º 2
0
/** @copydoc fuse_operations::write */
static int vboxfuseOp_write(const char *pszPath, const char *pbBuf, size_t cbBuf,
                           off_t offFile, struct fuse_file_info *pInfo)
{
    /* paranoia */
    AssertReturn((int)cbBuf >= 0, -EINVAL);
    AssertReturn((unsigned)cbBuf == cbBuf, -EINVAL);
    AssertReturn(offFile >= 0, -EINVAL);
    AssertReturn((off_t)(offFile + cbBuf) >= offFile, -EINVAL);

    PVBOXFUSENODE pNode = (PVBOXFUSENODE)(uintptr_t)pInfo->fh;
    AssertPtr(pNode);
    switch (pNode->enmType)
    {
        case VBOXFUSETYPE_DIRECTORY:
            return -ENOTSUP;

        case VBOXFUSETYPE_FLAT_IMAGE:
        {
            PVBOXFUSEFLATIMAGE pFlatImage = (PVBOXFUSEFLATIMAGE)(uintptr_t)pInfo->fh;
            LogFlow(("vboxfuseOp_write: offFile=%#llx cbBuf=%#zx pszPath=\"%s\"\n", (uint64_t)offFile, cbBuf, pszPath));
            vboxfuseNodeLock(&pFlatImage->Node);

            int rc;
            if ((off_t)(offFile + cbBuf) < offFile)
                rc = -EINVAL;
            else if (offFile >= pFlatImage->Node.cbPrimary)
                rc = 0;
            else if (!cbBuf)
                rc = 0;
            else
            {
                /* Adjust for EOF. */
                if ((off_t)(offFile + cbBuf) >= pFlatImage->Node.cbPrimary)
                    cbBuf = pFlatImage->Node.cbPrimary - offFile;

                /*
                 * Aligned write?
                 */
                int rc2;
                if (    !(offFile & VBOXFUSE_MIN_SIZE_MASK_OFF)
                    &&  !(cbBuf   & VBOXFUSE_MIN_SIZE_MASK_OFF))
                    rc2 = VDWrite(pFlatImage->pDisk, offFile, pbBuf, cbBuf);
                else
                {
                    /*
                     * Unaligned write - lots of extra work.
                     */
                    uint8_t abBlock[VBOXFUSE_MIN_SIZE];
                    if (((offFile + cbBuf) & VBOXFUSE_MIN_SIZE_MASK_BLK) == (offFile & VBOXFUSE_MIN_SIZE_MASK_BLK))
                    {
                        /* a single partial block. */
                        rc2 = VDRead(pFlatImage->pDisk, offFile & VBOXFUSE_MIN_SIZE_MASK_BLK, abBlock, VBOXFUSE_MIN_SIZE);
                        if (RT_SUCCESS(rc2))
                        {
                            memcpy(&abBlock[offFile & VBOXFUSE_MIN_SIZE_MASK_OFF], pbBuf, cbBuf);
                            /* Update the block */
                            rc2 = VDWrite(pFlatImage->pDisk, offFile & VBOXFUSE_MIN_SIZE_MASK_BLK, abBlock, VBOXFUSE_MIN_SIZE);
                        }
                    }
                    else
                    {
                        /* read unaligned head. */
                        rc2 = VINF_SUCCESS;
                        if (offFile & VBOXFUSE_MIN_SIZE_MASK_OFF)
                        {
                            rc2 = VDRead(pFlatImage->pDisk, offFile & VBOXFUSE_MIN_SIZE_MASK_BLK, abBlock, VBOXFUSE_MIN_SIZE);
                            if (RT_SUCCESS(rc2))
                            {
                                size_t cbCopy = VBOXFUSE_MIN_SIZE - (offFile & VBOXFUSE_MIN_SIZE_MASK_OFF);
                                memcpy(&abBlock[offFile & VBOXFUSE_MIN_SIZE_MASK_OFF], pbBuf, cbCopy);
                                pbBuf   += cbCopy;
                                offFile += cbCopy;
                                cbBuf   -= cbCopy;
                                rc2 = VDWrite(pFlatImage->pDisk, offFile & VBOXFUSE_MIN_SIZE_MASK_BLK, abBlock, VBOXFUSE_MIN_SIZE);
                            }
                        }

                        /* write the middle. */
                        Assert(!(offFile & VBOXFUSE_MIN_SIZE_MASK_OFF));
                        if (cbBuf >= VBOXFUSE_MIN_SIZE && RT_SUCCESS(rc2))
                        {
                            size_t cbWrite = cbBuf & VBOXFUSE_MIN_SIZE_MASK_BLK;
                            rc2 = VDWrite(pFlatImage->pDisk, offFile, pbBuf, cbWrite);
                            if (RT_SUCCESS(rc2))
                            {
                                pbBuf   += cbWrite;
                                offFile += cbWrite;
                                cbBuf   -= cbWrite;
                            }
                        }

                        /* unaligned tail write. */
                        Assert(cbBuf < VBOXFUSE_MIN_SIZE);
                        Assert(!(offFile & VBOXFUSE_MIN_SIZE_MASK_OFF));
                        if (cbBuf && RT_SUCCESS(rc2))
                        {
                            rc2 = VDRead(pFlatImage->pDisk, offFile, abBlock, VBOXFUSE_MIN_SIZE);
                            if (RT_SUCCESS(rc2))
                            {
                                memcpy(&abBlock[0], pbBuf, cbBuf);
                                rc2 = VDWrite(pFlatImage->pDisk, offFile, abBlock, VBOXFUSE_MIN_SIZE);
                            }
                        }
                    }
                }

                /* convert the return code */
                if (RT_SUCCESS(rc2))
                    rc = cbBuf;
                else
                    rc = -RTErrConvertToErrno(rc2);
            }

            vboxfuseNodeUnlock(&pFlatImage->Node);
            return rc;
        }

        case VBOXFUSETYPE_CONTROL_PIPE:
            return -ENOTSUP;

        default:
            AssertMsgFailed(("%s\n", pszPath));
            return -EDOOFUS;
    }
}
/* StorageSlot <= QString: */
template<> StorageSlot fromString<StorageSlot>(const QString &strStorageSlot)
{
    QHash<int, QString> list;
    list[0] = QApplication::translate("VBoxGlobal", "IDE Primary Master", "StorageSlot");
    list[1] = QApplication::translate("VBoxGlobal", "IDE Primary Slave", "StorageSlot");
    list[2] = QApplication::translate("VBoxGlobal", "IDE Secondary Master", "StorageSlot");
    list[3] = QApplication::translate("VBoxGlobal", "IDE Secondary Slave", "StorageSlot");
    list[4] = QApplication::translate("VBoxGlobal", "SATA Port %1", "StorageSlot");
    list[5] = QApplication::translate("VBoxGlobal", "SCSI Port %1", "StorageSlot");
    list[6] = QApplication::translate("VBoxGlobal", "SAS Port %1", "StorageSlot");
    list[7] = QApplication::translate("VBoxGlobal", "Floppy Device %1", "StorageSlot");
    int index = -1;
    QRegExp regExp;
    for (int i = 0; i < list.size(); ++i)
    {
        regExp = QRegExp(i >= 0 && i <= 3 ? list[i] : list[i].arg("(\\d+)"));
        if (regExp.indexIn(strStorageSlot) != -1)
        {
            index = i;
            break;
        }
    }

    StorageSlot result;
    switch (index)
    {
        case 0:
        case 1:
        case 2:
        case 3:
        {
            KStorageBus bus = KStorageBus_IDE;
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(bus);
            int iMaxDevice = vboxGlobal().virtualBox().GetSystemProperties().GetMaxDevicesPerPortForStorageBus(bus);
            LONG iPort = index / iMaxPort;
            LONG iDevice = index % iMaxPort;
            if (iPort < 0 || iPort > iMaxPort)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            if (iDevice < 0 || iDevice > iMaxDevice)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            result.bus = bus;
            result.port = iPort;
            result.device = iDevice;
            break;
        }
        case 4:
        {
            KStorageBus bus = KStorageBus_SATA;
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(bus);
            LONG iPort = regExp.cap(1).toInt();
            LONG iDevice = 0;
            if (iPort < 0 || iPort > iMaxPort)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            result.bus = bus;
            result.port = iPort;
            result.device = iDevice;
            break;
        }
        case 5:
        {
            KStorageBus bus = KStorageBus_SCSI;
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(bus);
            LONG iPort = regExp.cap(1).toInt();
            LONG iDevice = 0;
            if (iPort < 0 || iPort > iMaxPort)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            result.bus = bus;
            result.port = iPort;
            result.device = iDevice;
            break;
        }
        case 6:
        {
            KStorageBus bus = KStorageBus_SAS;
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(bus);
            LONG iPort = regExp.cap(1).toInt();
            LONG iDevice = 0;
            if (iPort < 0 || iPort > iMaxPort)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            result.bus = bus;
            result.port = iPort;
            result.device = iDevice;
            break;
        }
        case 7:
        {
            KStorageBus bus = KStorageBus_Floppy;
            int iMaxDevice = vboxGlobal().virtualBox().GetSystemProperties().GetMaxDevicesPerPortForStorageBus(bus);
            LONG iPort = 0;
            LONG iDevice = regExp.cap(1).toInt();
            if (iDevice < 0 || iDevice > iMaxDevice)
            {
                AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
                break;
            }
            result.bus = bus;
            result.port = iPort;
            result.device = iDevice;
            break;
        }
        default:
        {
            AssertMsgFailed(("No storage slot for text='%s'", strStorageSlot.toAscii().constData()));
            break;
        }
    }
    return result;
}
Ejemplo n.º 4
0
/* static */
QIcon UIIconPool::defaultIcon(UIDefaultIconType defaultIconType, const QWidget *pWidget /* = 0 */)
{
    QIcon icon;
    QStyle *pStyle = pWidget ? pWidget->style() : QApplication::style();
    switch (defaultIconType)
    {
        case UIDefaultIconType_MessageBoxInformation:
        {
            icon = pStyle->standardIcon(QStyle::SP_MessageBoxInformation, 0, pWidget);
            break;
        }
        case UIDefaultIconType_MessageBoxQuestion:
        {
            icon = pStyle->standardIcon(QStyle::SP_MessageBoxQuestion, 0, pWidget);
            break;
        }
        case UIDefaultIconType_MessageBoxWarning:
        {
#ifdef Q_WS_MAC
            /* At least in Qt 4.3.4/4.4 RC1 SP_MessageBoxWarning is the application
             * icon. So change this to the critical icon. (Maybe this would be
             * fixed in a later Qt version) */
            icon = pStyle->standardIcon(QStyle::SP_MessageBoxCritical, 0, pWidget);
#else /* Q_WS_MAC */
            icon = pStyle->standardIcon(QStyle::SP_MessageBoxWarning, 0, pWidget);
#endif /* !Q_WS_MAC */
            break;
        }
        case UIDefaultIconType_MessageBoxCritical:
        {
            icon = pStyle->standardIcon(QStyle::SP_MessageBoxCritical, 0, pWidget);
            break;
        }
        case UIDefaultIconType_DialogCancel:
        {
            icon = pStyle->standardIcon(QStyle::SP_DialogCancelButton, 0, pWidget);
            if (icon.isNull())
                icon = iconSet(":/cancel_16px.png");
            break;
        }
        case UIDefaultIconType_DialogHelp:
        {
            icon = pStyle->standardIcon(QStyle::SP_DialogHelpButton, 0, pWidget);
            if (icon.isNull())
                icon = iconSet(":/help_16px.png");
            break;
        }
        case UIDefaultIconType_ArrowBack:
        {
            icon = pStyle->standardIcon(QStyle::SP_ArrowBack, 0, pWidget);
            if (icon.isNull())
                icon = iconSet(":/list_moveup_16px.png",
                               ":/list_moveup_disabled_16px.png");
            break;
        }
        case UIDefaultIconType_ArrowForward:
        {
            icon = pStyle->standardIcon(QStyle::SP_ArrowForward, 0, pWidget);
            if (icon.isNull())
                icon = iconSet(":/list_movedown_16px.png",
                               ":/list_movedown_disabled_16px.png");
            break;
        }
        default:
        {
            AssertMsgFailed(("Unknown default icon type!"));
            break;
        }
    }
    return icon;
}
Ejemplo n.º 5
0
/**
 * Maps a range of physical pages at a given virtual address
 * in the guest context.
 *
 * The GC virtual address range must be within an existing mapping.
 *
 * @returns VBox status code.
 * @param   pVM         The virtual machine.
 * @param   GCPtr       Where to map the page(s). Must be page aligned.
 * @param   HCPhys      Start of the range of physical pages. Must be page aligned.
 * @param   cbPages     Number of bytes to map. Must be page aligned.
 * @param   fFlags      Page flags (X86_PTE_*).
 */
VMMDECL(int) PGMMap(PVM pVM, RTGCUINTPTR GCPtr, RTHCPHYS HCPhys, uint32_t cbPages, unsigned fFlags)
{
    AssertMsg(pVM->pgm.s.offVM, ("Bad init order\n"));

    /*
     * Validate input.
     */
    AssertMsg(RT_ALIGN_T(GCPtr, PAGE_SIZE, RTGCUINTPTR) == GCPtr, ("Invalid alignment GCPtr=%#x\n", GCPtr));
    AssertMsg(cbPages > 0 && RT_ALIGN_32(cbPages, PAGE_SIZE) == cbPages, ("Invalid cbPages=%#x\n",  cbPages));
    AssertMsg(!(fFlags & X86_PDE_PG_MASK), ("Invalid flags %#x\n", fFlags));

    /* hypervisor defaults */
    if (!fFlags)
        fFlags = X86_PTE_P | X86_PTE_A | X86_PTE_D;

    /*
     * Find the mapping.
     */
    PPGMMAPPING pCur = pVM->pgm.s.CTX_SUFF(pMappings);
    while (pCur)
    {
        if (GCPtr - pCur->GCPtr < pCur->cb)
        {
            if (GCPtr + cbPages - 1 > pCur->GCPtrLast)
            {
                AssertMsgFailed(("Invalid range!!\n"));
                return VERR_INVALID_PARAMETER;
            }

            /*
             * Setup PTE.
             */
            X86PTEPAE Pte;
            Pte.u = fFlags | (HCPhys & X86_PTE_PAE_PG_MASK);

            /*
             * Update the page tables.
             */
            for (;;)
            {
                RTGCUINTPTR     off = GCPtr - pCur->GCPtr;
                const unsigned  iPT = off >> X86_PD_SHIFT;
                const unsigned  iPageNo = (off >> PAGE_SHIFT) & X86_PT_MASK;

                /* 32-bit */
                pCur->aPTs[iPT].CTX_SUFF(pPT)->a[iPageNo].u = (uint32_t)Pte.u;      /* ASSUMES HCPhys < 4GB and/or that we're never gonna do 32-bit on a PAE host! */

                /* pae */
                PGMSHWPTEPAE_SET(pCur->aPTs[iPT].CTX_SUFF(paPaePTs)[iPageNo / 512].a[iPageNo % 512], Pte.u);

                /* next */
                cbPages -= PAGE_SIZE;
                if (!cbPages)
                    break;
                GCPtr += PAGE_SIZE;
                Pte.u += PAGE_SIZE;
            }

            return VINF_SUCCESS;
        }

        /* next */
        pCur = pCur->CTX_SUFF(pNext);
    }

    AssertMsgFailed(("GCPtr=%#x was not found in any mapping ranges!\n",  GCPtr));
    return VERR_INVALID_PARAMETER;
}
Ejemplo n.º 6
0
/**
 * 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) usbProxyWinUrbReap(PUSBPROXYDEV pProxyDev, RTMSINTERVAL cMillies)
{
    PPRIV_USBW32 pPriv = USBPROXYDEV_2_DATA(pProxyDev, PPRIV_USBW32);
    AssertReturn(pPriv, NULL);

    /*
     * There are some unnecessary calls, just return immediately or
     * WaitForMultipleObjects will fail.
     */
    if (   pPriv->cQueuedUrbs <= 0
        && pPriv->cPendingUrbs == 0)
    {
        if (   cMillies != 0
            && pPriv->cPendingUrbs == 0)
        {
            /* Wait for the wakeup call. */
            DWORD cMilliesWait = cMillies == RT_INDEFINITE_WAIT ? INFINITE : cMillies;
            DWORD rc = WaitForMultipleObjects(1, &pPriv->hEventWakeup, FALSE, cMilliesWait);
        }

        return NULL;
    }

again:
    /* Check for pending URBs. */
    if (pPriv->cPendingUrbs)
    {
        RTCritSectEnter(&pPriv->CritSect);

        /* Ensure we've got sufficient space in the arrays. */
        if (pPriv->cQueuedUrbs + pPriv->cPendingUrbs + 1 > pPriv->cAllocatedUrbs)
        {
            unsigned cNewMax = pPriv->cAllocatedUrbs + pPriv->cPendingUrbs + 1;
            void *pv = RTMemRealloc(pPriv->paHandles, sizeof(pPriv->paHandles[0]) * (cNewMax + 1)); /* One extra for the wakeup event. */
            if (!pv)
            {
                AssertMsgFailed(("RTMemRealloc failed for paHandles[%d]", cNewMax));
                //break;
            }
            pPriv->paHandles = (PHANDLE)pv;

            pv = RTMemRealloc(pPriv->paQueuedUrbs, sizeof(pPriv->paQueuedUrbs[0]) * cNewMax);
            if (!pv)
            {
                AssertMsgFailed(("RTMemRealloc failed for paQueuedUrbs[%d]", cNewMax));
                //break;
            }
            pPriv->paQueuedUrbs = (PQUEUED_URB *)pv;
            pPriv->cAllocatedUrbs = cNewMax;
        }

        /* Copy the pending URBs over. */
        for (unsigned i = 0; i < pPriv->cPendingUrbs; i++)
        {
            pPriv->paHandles[pPriv->cQueuedUrbs + i] = pPriv->aPendingUrbs[i]->overlapped.hEvent;
            pPriv->paQueuedUrbs[pPriv->cQueuedUrbs + i] = pPriv->aPendingUrbs[i];
        }
        pPriv->cQueuedUrbs += pPriv->cPendingUrbs;
        pPriv->cPendingUrbs = 0;
        pPriv->paHandles[pPriv->cQueuedUrbs] = pPriv->hEventWakeup;
        pPriv->paHandles[pPriv->cQueuedUrbs + 1] = INVALID_HANDLE_VALUE;

        RTCritSectLeave(&pPriv->CritSect);
    }

    /*
     * Wait/poll.
     *
     * ASSUMPTIONS:
     *   1. The usbProxyWinUrbReap can not be run concurrently with each other
     *      so racing the cQueuedUrbs access/modification can not occur.
     *   2. The usbProxyWinUrbReap can not be run concurrently with
     *      usbProxyWinUrbQueue so they can not race the pPriv->paHandles
     *      access/realloc.
     */
    unsigned cQueuedUrbs = ASMAtomicReadU32((volatile uint32_t *)&pPriv->cQueuedUrbs);
    DWORD cMilliesWait = cMillies == RT_INDEFINITE_WAIT ? INFINITE : cMillies;
    PVUSBURB pUrb = NULL;
    DWORD rc = WaitForMultipleObjects(cQueuedUrbs + 1, pPriv->paHandles, FALSE, cMilliesWait);

    /* If the wakeup event fired return immediately. */
    if (rc == WAIT_OBJECT_0 + cQueuedUrbs)
    {
        if (pPriv->cPendingUrbs)
            goto again;
        return NULL;
    }

    if (rc >= WAIT_OBJECT_0 && rc < WAIT_OBJECT_0 + cQueuedUrbs)
    {
        RTCritSectEnter(&pPriv->CritSect);
        unsigned iUrb = rc - WAIT_OBJECT_0;
        PQUEUED_URB pQUrbWin = pPriv->paQueuedUrbs[iUrb];
        pUrb = pQUrbWin->urb;

        /*
         * Remove it from the arrays.
         */
        cQueuedUrbs = --pPriv->cQueuedUrbs;
        if (cQueuedUrbs != iUrb)
        {
            /* Move the array forward */
            for (unsigned i=iUrb;i<cQueuedUrbs;i++)
            {
                pPriv->paHandles[i]    = pPriv->paHandles[i+1];
                pPriv->paQueuedUrbs[i] = pPriv->paQueuedUrbs[i+1];
            }
        }
        pPriv->paHandles[cQueuedUrbs] = pPriv->hEventWakeup;
        pPriv->paHandles[cQueuedUrbs + 1] = INVALID_HANDLE_VALUE;
        pPriv->paQueuedUrbs[cQueuedUrbs] = NULL;
        RTCritSectLeave(&pPriv->CritSect);
        Assert(cQueuedUrbs == pPriv->cQueuedUrbs);

        /*
         * Update the urb.
         */
        pUrb->enmStatus = usbProxyWinStatusToVUsbStatus(pQUrbWin->urbwin.error);
        pUrb->cbData = (uint32_t)pQUrbWin->urbwin.len;
        if (pUrb->enmType == VUSBXFERTYPE_ISOC)
        {
            for (unsigned i = 0; i < pUrb->cIsocPkts; ++i)
            {
                /* NB: Windows won't change the packet offsets, but the packets may
                 * be only partially filled or completely empty.
                 */
                pUrb->aIsocPkts[i].enmStatus = usbProxyWinStatusToVUsbStatus(pQUrbWin->urbwin.aIsoPkts[i].stat);
                pUrb->aIsocPkts[i].cb = pQUrbWin->urbwin.aIsoPkts[i].cb;
            }
        }
        Log(("usbproxy: pUrb=%p (#%d) ep=%d cbData=%d status=%d cIsocPkts=%d ready\n",
             pUrb, rc - WAIT_OBJECT_0, pQUrbWin->urb->EndPt, pQUrbWin->urb->cbData, pUrb->enmStatus, pUrb->cIsocPkts));

        /* free the urb queuing structure */
        if (pQUrbWin->overlapped.hEvent != INVALID_HANDLE_VALUE)
        {
            CloseHandle(pQUrbWin->overlapped.hEvent);
            pQUrbWin->overlapped.hEvent = INVALID_HANDLE_VALUE;
        }
        RTMemFree(pQUrbWin);
    }
    else if (   rc == WAIT_FAILED
             || (rc >= WAIT_ABANDONED_0 && rc < WAIT_ABANDONED_0 + cQueuedUrbs))
        AssertMsgFailed(("USB: WaitForMultipleObjects %d objects failed with rc=%d and last error %d\n", cQueuedUrbs, rc, GetLastError()));

    return pUrb;
}
Ejemplo n.º 7
0
/**
 * Internal worker for the sleep scenario.
 *
 * Called owning the spinlock, returns without it.
 *
 * @returns IPRT status code.
 * @param   pThis               The mutex instance.
 * @param   cMillies            The timeout.
 * @param   fInterruptible      Whether it's interruptible
 *                              (RTSemMutexRequestNoResume) or not
 *                              (RTSemMutexRequest).
 * @param   hNativeSelf         The thread handle of the caller.
 */
static int rtR0SemMutexDarwinRequestSleep(PRTSEMMUTEXINTERNAL pThis, RTMSINTERVAL cMillies,
                                          wait_interrupt_t fInterruptible, RTNATIVETHREAD hNativeSelf)
{
    /*
     * Grab a reference and indicate that we're waiting.
     */
    pThis->cWaiters++;
    ASMAtomicIncU32(&pThis->cRefs);

    /*
     * Go to sleep, use the address of the mutex instance as sleep/blocking/event id.
     */
    wait_result_t rcWait;
    if (cMillies == RT_INDEFINITE_WAIT)
        rcWait = lck_spin_sleep(pThis->pSpinlock, LCK_SLEEP_DEFAULT, (event_t)pThis, fInterruptible);
    else
    {
        uint64_t u64AbsTime;
        nanoseconds_to_absolutetime(cMillies * UINT64_C(1000000), &u64AbsTime);
        u64AbsTime += mach_absolute_time();

        rcWait = lck_spin_sleep_deadline(pThis->pSpinlock, LCK_SLEEP_DEFAULT,
                                         (event_t)pThis, fInterruptible, u64AbsTime);
    }

    /*
     * Translate the rc.
     */
    int rc;
    switch (rcWait)
    {
        case THREAD_AWAKENED:
            if (RT_LIKELY(pThis->u32Magic == RTSEMMUTEX_MAGIC))
            {
                if (RT_LIKELY(   pThis->cRecursions  == 0
                              && pThis->hNativeOwner == NIL_RTNATIVETHREAD))
                {
                    pThis->cRecursions  = 1;
                    pThis->hNativeOwner = hNativeSelf;
                    rc = VINF_SUCCESS;
                }
                else
                {
                    Assert(pThis->cRecursions  == 0);
                    Assert(pThis->hNativeOwner == NIL_RTNATIVETHREAD);
                    rc = VERR_INTERNAL_ERROR_3;
                }
            }
            else
                rc = VERR_SEM_DESTROYED;
            break;

        case THREAD_TIMED_OUT:
            Assert(cMillies != RT_INDEFINITE_WAIT);
            rc = VERR_TIMEOUT;
            break;

        case THREAD_INTERRUPTED:
            Assert(fInterruptible);
            rc = VERR_INTERRUPTED;
            break;

        case THREAD_RESTART:
            Assert(pThis->u32Magic == ~RTSEMMUTEX_MAGIC);
            rc = VERR_SEM_DESTROYED;
            break;

        default:
            AssertMsgFailed(("rcWait=%d\n", rcWait));
            rc = VERR_GENERAL_FAILURE;
            break;
    }

    /*
     * Dereference it and quit the lock.
     */
    Assert(pThis->cWaiters > 0);
    pThis->cWaiters--;

    Assert(pThis->cRefs > 0);
    if (RT_UNLIKELY(ASMAtomicDecU32(&pThis->cRefs) == 0))
        rtSemMutexDarwinFree(pThis);
    else
        lck_spin_unlock(pThis->pSpinlock);
    return rc;
}
Ejemplo n.º 8
0
RTR3DECL(char *) RTUriFileNPath(const char *pszUri, uint32_t uFormat, size_t cchMax)
{
    AssertPtrReturn(pszUri, NULL);

    size_t iPos1;
    size_t cbLen = RT_MIN(strlen(pszUri), cchMax);
    /* Find the end of the scheme. */
    if (!rtUriFindSchemeEnd(pszUri, 0, cbLen, &iPos1))
        return NULL; /* no URI */
    else
        ++iPos1; /* Skip ':' */

    /* Check that this is a file Uri */
    if (RTStrNICmp(pszUri, "file:", iPos1) != 0)
        return NULL;

    size_t iPos2;
    size_t iPos3 = iPos1; /* Skip if no authority is found */
    /* Find the start of the authority. */
    if (rtUriCheckAuthorityStart(pszUri, iPos1, cbLen - iPos1, &iPos2))
    {
        /* Find the end of the authority. If not found, then there is no path
         * component, cause the authority is the rest of the string. */
        if (!rtUriFindAuthorityEnd(pszUri, iPos2, cbLen - iPos2, &iPos3))
            return NULL; /* no path! */
    }

    size_t iPos4;
    /* Find the start of the path */
    if (rtUriCheckPathStart(pszUri, iPos3, cbLen - iPos3, &iPos4))
    {
        uint32_t uFIntern = uFormat;
        /* Auto is based on the current OS. */
        if (uFormat == URI_FILE_FORMAT_AUTO)
#ifdef RT_OS_WINDOWS
            uFIntern = URI_FILE_FORMAT_WIN;
#else /* RT_OS_WINDOWS */
            uFIntern = URI_FILE_FORMAT_UNIX;
#endif /* !RT_OS_WINDOWS */

        if (   uFIntern != URI_FILE_FORMAT_UNIX
            && pszUri[iPos4] == '/')
            ++iPos4;
        /* Search for the end of the scheme. */
        size_t iPos5 = cbLen;
        rtUriFindPathEnd(pszUri, iPos4, cbLen - iPos4, &iPos5);
        if (iPos5 > iPos4) /* Length check */
        {
            char *pszPath = rtUriPercentDecodeN(&pszUri[iPos4], iPos5 - iPos4);
            if (uFIntern == URI_FILE_FORMAT_UNIX)
                return RTPathChangeToUnixSlashes(pszPath, true);
            else if (uFIntern == URI_FILE_FORMAT_WIN)
                return RTPathChangeToDosSlashes(pszPath, true);
            else
            {
                RTStrFree(pszPath);
                AssertMsgFailed(("Unknown uri file format %u", uFIntern));
                return NULL;
            }
        }
    }

    return NULL;
}
Ejemplo n.º 9
0
/**
 * Process all commands currently in the buffer.
 *
 * @returns VBox status code. Any error indicates the termination of the console session.
 * @param   pDbgc       Debugger console instance data.
 * @param   fNoExecute  Indicates that no commands should actually be executed.
 */
static int dbgcProcessCommands(PDBGC pDbgc, bool fNoExecute)
{
    /** @todo Replace this with a sh/ksh/csh/rexx like toplevel language that
     *        allows doing function, loops, if, cases, and such. */
    int rc = VINF_SUCCESS;
    while (pDbgc->cInputLines)
    {
        /*
         * Empty the log buffer if we're hooking the log.
         */
        if (pDbgc->fLog)
        {
            rc = dbgcProcessLog(pDbgc);
            if (RT_FAILURE(rc))
                break;
        }

        if (pDbgc->iRead == pDbgc->iWrite)
        {
            AssertMsgFailed(("The input buffer is empty while cInputLines=%d!\n", pDbgc->cInputLines));
            pDbgc->cInputLines = 0;
            return 0;
        }

        /*
         * Copy the command to the parse buffer.
         */
        char    ch;
        char   *psz = &pDbgc->achInput[pDbgc->iRead];
        char   *pszTrg = &pDbgc->achScratch[0];
        while ((*pszTrg = ch = *psz++) != ';' && ch != '\n' )
        {
            if (psz == &pDbgc->achInput[sizeof(pDbgc->achInput)])
                psz = &pDbgc->achInput[0];

            if (psz == &pDbgc->achInput[pDbgc->iWrite])
            {
                AssertMsgFailed(("The buffer contains no commands while cInputLines=%d!\n", pDbgc->cInputLines));
                pDbgc->cInputLines = 0;
                return 0;
            }

            pszTrg++;
        }
        *pszTrg = '\0';

        /*
         * Advance the buffer.
         */
        pDbgc->iRead = psz - &pDbgc->achInput[0];
        if (ch == '\n')
            pDbgc->cInputLines--;

        /*
         * Parse and execute this command.
         */
        pDbgc->pszScratch = pszTrg + 1;
        pDbgc->iArg       = 0;
        rc = dbgcEvalCommand(pDbgc, &pDbgc->achScratch[0], pszTrg - &pDbgc->achScratch[0] - 1, fNoExecute);
        if (   rc == VERR_DBGC_QUIT
            || rc == VWRN_DBGC_CMD_PENDING)
            break;
        rc = VINF_SUCCESS; /* ignore other statuses */
    }

    return rc;
}
Ejemplo n.º 10
0
/**
 * Resolves a symbol (or tries to do so at least).
 *
 * @returns 0 on success.
 * @returns VBox status on failure.
 * @param   pDbgc       The debug console instance.
 * @param   pszSymbol   The symbol name.
 * @param   enmType     The result type.  Specifying DBGCVAR_TYPE_GC_FAR may
 *                      cause failure, avoid it.
 * @param   pResult     Where to store the result.
 */
int dbgcSymbolGet(PDBGC pDbgc, const char *pszSymbol, DBGCVARTYPE enmType, PDBGCVAR pResult)
{
    int rc;

    /*
     * Builtin?
     */
    PCDBGCSYM pSymDesc = dbgcLookupRegisterSymbol(pDbgc, pszSymbol);
    if (pSymDesc)
    {
        if (!pSymDesc->pfnGet)
            return VERR_DBGC_PARSE_WRITEONLY_SYMBOL;
        return pSymDesc->pfnGet(pSymDesc, &pDbgc->CmdHlp, enmType, pResult);
    }

    /*
     * A typical register? (Guest only)
     */
    static const char s_szSixLetterRegisters[] =
        "rflags;eflags;"
    ;
    static const char s_szThreeLetterRegisters[] =
        "eax;rax;"     "r10;" "r8d;r8w;r8b;"  "cr0;"  "dr0;"
        "ebx;rbx;"     "r11;" "r9d;r9w;r8b;"          "dr1;"
        "ecx;rcx;"     "r12;"                 "cr2;"  "dr2;"
        "edx;rdx;"     "r13;"                 "cr3;"  "dr3;"
        "edi;rdi;dil;" "r14;"                 "cr4;"  "dr4;"
        "esi;rsi;sil;" "r15;"                 "cr8;"
        "ebp;rbp;"
        "esp;rsp;"                                    "dr6;"
        "rip;eip;"                                    "dr7;"
        "efl;"
    ;
    static const char s_szTwoLetterRegisters[] =
        "ax;al;ah;"           "r8;"
        "bx;bl;bh;"           "r9;"
        "cx;cl;ch;"    "cs;"
        "dx;dl;dh;"    "ds;"
        "di;"          "es;"
        "si;"          "fs;"
        "bp;"          "gs;"
        "sp;"          "ss;"
        "ip;"
    ;
    size_t const cchSymbol = strlen(pszSymbol);
    if (    (cchSymbol == 2 && strstr(s_szTwoLetterRegisters,   pszSymbol))
        ||  (cchSymbol == 3 && strstr(s_szThreeLetterRegisters, pszSymbol))
        ||  (cchSymbol == 6 && strstr(s_szSixLetterRegisters,   pszSymbol)))
    {
        if (!strchr(pszSymbol, ';'))
        {
            DBGCVAR Var;
            DBGCVAR_INIT_SYMBOL(&Var, pszSymbol);
            rc = dbgcOpRegister(pDbgc, &Var, DBGCVAR_CAT_ANY, pResult);
            if (RT_SUCCESS(rc))
                return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pResult, enmType, false /*fConvSyms*/, pResult);
        }
    }

    /*
     * Ask PDM.
     */
    /** @todo resolve symbols using PDM. */

    /*
     * Ask the debug info manager.
     */
    RTDBGSYMBOL Symbol;
    rc = DBGFR3AsSymbolByName(pDbgc->pVM, pDbgc->hDbgAs, pszSymbol, &Symbol, NULL);
    if (RT_SUCCESS(rc))
    {
        /*
         * Default return is a flat gc address.
         */
        DBGCVAR_INIT_GC_FLAT(pResult, Symbol.Value);
        if (Symbol.cb)
            DBGCVAR_SET_RANGE(pResult, DBGCVAR_RANGE_BYTES, Symbol.cb);

        switch (enmType)
        {
            /* nothing to do. */
            case DBGCVAR_TYPE_GC_FLAT:
            case DBGCVAR_TYPE_ANY:
                return VINF_SUCCESS;

            /* impossible at the moment. */
            case DBGCVAR_TYPE_GC_FAR:
                return VERR_DBGC_PARSE_CONVERSION_FAILED;

            /* simply make it numeric. */
            case DBGCVAR_TYPE_NUMBER:
                pResult->enmType = DBGCVAR_TYPE_NUMBER;
                pResult->u.u64Number = Symbol.Value;
                return VINF_SUCCESS;

            /* cast it. */
            case DBGCVAR_TYPE_GC_PHYS:
            case DBGCVAR_TYPE_HC_FLAT:
            case DBGCVAR_TYPE_HC_PHYS:
                return DBGCCmdHlpConvert(&pDbgc->CmdHlp, pResult, enmType, false /*fConvSyms*/, pResult);

            default:
                AssertMsgFailed(("Internal error enmType=%d\n", enmType));
                return VERR_INVALID_PARAMETER;
        }
    }

    return VERR_DBGC_PARSE_NOT_IMPLEMENTED;
}
Ejemplo n.º 11
0
RTR3DECL(int) RTPathQueryInfoEx(const char *pszPath, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
    /*
     * Validate input.
     */
    AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
    AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
    AssertPtrReturn(pObjInfo, VERR_INVALID_POINTER);
    AssertMsgReturn(    enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
                    &&  enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
                    ("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
                    VERR_INVALID_PARAMETER);
    AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);

    /*
     * Convert the filename.
     */
    char const *pszNativePath;
    int rc = rtPathToNative(&pszNativePath, pszPath, NULL);
    if (RT_SUCCESS(rc))
    {
        struct stat Stat;
        if (fFlags & RTPATH_F_FOLLOW_LINK)
            rc = stat(pszNativePath, &Stat);
        else
            rc = lstat(pszNativePath, &Stat); /** @todo how doesn't have lstat again? */
        if (!rc)
        {
            rtFsConvertStatToObjInfo(pObjInfo, &Stat, pszPath, 0);
            switch (enmAdditionalAttribs)
            {
                case RTFSOBJATTRADD_NOTHING:
                case RTFSOBJATTRADD_UNIX:
                    Assert(pObjInfo->Attr.enmAdditional == RTFSOBJATTRADD_UNIX);
                    break;

                case RTFSOBJATTRADD_UNIX_OWNER:
                    rtFsObjInfoAttrSetUnixOwner(pObjInfo, Stat.st_uid);
                    break;

                case RTFSOBJATTRADD_UNIX_GROUP:
                    rtFsObjInfoAttrSetUnixGroup(pObjInfo, Stat.st_gid);
                    break;

                case RTFSOBJATTRADD_EASIZE:
                    /** @todo Use SGI extended attribute interface to query EA info. */
                    pObjInfo->Attr.enmAdditional          = RTFSOBJATTRADD_EASIZE;
                    pObjInfo->Attr.u.EASize.cb            = 0;
                    break;

                default:
                    AssertMsgFailed(("Impossible!\n"));
                    return VERR_INTERNAL_ERROR;
            }
        }
        else
            rc = RTErrConvertFromErrno(errno);
        rtPathFreeNative(pszNativePath, pszPath);
    }

    LogFlow(("RTPathQueryInfoEx(%p:{%s}, pObjInfo=%p, %d): returns %Rrc\n",
             pszPath, pszPath, pObjInfo, enmAdditionalAttribs, rc));
    return rc;
}
QString UINativeHotKey::toString(int iKeyCode)
{
    QString strKeyName;

#ifdef Q_WS_WIN
    /* MapVirtualKey doesn't distinguish between right and left vkeys,
     * even under XP, despite that it stated in MSDN. Do it by hands.
     * Besides that it can't recognize such virtual keys as
     * VK_DIVIDE & VK_PAUSE, this is also known bug. */
    int iScan;
    switch (iKeyCode)
    {
        /* Processing special keys... */
        case VK_PAUSE: iScan = 0x45 << 16; break;
        case VK_RSHIFT: iScan = 0x36 << 16; break;
        case VK_RCONTROL: iScan = (0x1D << 16) | (1 << 24); break;
        case VK_RMENU: iScan = (0x38 << 16) | (1 << 24); break;
        /* Processing extended keys... */
        case VK_APPS:
        case VK_LWIN:
        case VK_RWIN:
        case VK_NUMLOCK: iScan = (::MapVirtualKey(iKeyCode, 0) | 256) << 16; break;
        default: iScan = ::MapVirtualKey(iKeyCode, 0) << 16;
    }
    TCHAR *pKeyName = new TCHAR[256];
    if (::GetKeyNameText(iScan, pKeyName, 256))
    {
        strKeyName = QString::fromUtf16(pKeyName);
    }
    else
    {
        AssertMsgFailed(("That key have no name!\n"));
        strKeyName = UIHostComboEditor::tr("<key_%1>").arg(iKeyCode);
    }
    delete[] pKeyName;
#endif /* Q_WS_WIN */

#ifdef Q_WS_X11
    if (char *pNativeKeyName = ::XKeysymToString((KeySym)iKeyCode))
    {
        strKeyName = m_keyNames[pNativeKeyName].isEmpty() ?
                     QString(pNativeKeyName) : m_keyNames[pNativeKeyName];
    }
    else
    {
        AssertMsgFailed(("That key have no name!\n"));
        strKeyName = UIHostComboEditor::tr("<key_%1>").arg(iKeyCode);
    }
#endif /* Q_WS_X11 */

#ifdef Q_WS_MAC
    UInt32 modMask = DarwinKeyCodeToDarwinModifierMask(iKeyCode);
    switch (modMask)
    {
        case shiftKey:
        case optionKey:
        case controlKey:
        case cmdKey:
            strKeyName = UIHostComboEditor::tr("Left ");
            break;
        case rightShiftKey:
        case rightOptionKey:
        case rightControlKey:
        case kEventKeyModifierRightCmdKeyMask:
            strKeyName = UIHostComboEditor::tr("Right ");
            break;
        default:
            AssertMsgFailedReturn(("modMask=%#x\n", modMask), QString());
    }
    switch (modMask)
    {
        case shiftKey:
        case rightShiftKey:
            strKeyName += QChar(kShiftUnicode);
            break;
        case optionKey:
        case rightOptionKey:
            strKeyName += QChar(kOptionUnicode);
            break;
        case controlKey:
        case rightControlKey:
            strKeyName += QChar(kControlUnicode);
            break;
        case cmdKey:
        case kEventKeyModifierRightCmdKeyMask:
            strKeyName += QChar(kCommandUnicode);
            break;
    }
#endif /* Q_WS_MAC */

    return strKeyName;
}
Ejemplo n.º 13
0
/**
 * The slow case for SUPReadTsc where we need to apply deltas.
 *
 * Must only be called when deltas are applicable, so please do not call it
 * directly.
 *
 * @returns TSC with delta applied.
 * @param   pGip        Pointer to the GIP.
 *
 * @remarks May be called with interrupts disabled in ring-0!  This is why the
 *          ring-0 code doesn't attempt to figure the delta.
 *
 * @internal
 */
SUPDECL(uint64_t) SUPReadTscWithDelta(PSUPGLOBALINFOPAGE pGip)
{
    uint64_t            uTsc;
    uint16_t            iGipCpu;
    AssertCompile(RT_IS_POWER_OF_TWO(RTCPUSET_MAX_CPUS));
    AssertCompile(RT_ELEMENTS(pGip->aiCpuFromCpuSetIdx) >= RTCPUSET_MAX_CPUS);
    Assert(pGip->enmUseTscDelta > SUPGIPUSETSCDELTA_PRACTICALLY_ZERO);

    /*
     * Read the TSC and get the corresponding aCPUs index.
     */
#ifdef IN_RING3
    if (pGip->fGetGipCpu & SUPGIPGETCPU_RDTSCP_MASK_MAX_SET_CPUS)
    {
        /* RDTSCP gives us all we need, no loops/cli. */
        uint32_t iCpuSet;
        uTsc      = ASMReadTscWithAux(&iCpuSet);
        iCpuSet  &= RTCPUSET_MAX_CPUS - 1;
        iGipCpu   = pGip->aiCpuFromCpuSetIdx[iCpuSet];
    }
    else if (pGip->fGetGipCpu & SUPGIPGETCPU_IDTR_LIMIT_MASK_MAX_SET_CPUS)
    {
        /* Storing the IDTR is normally very quick, but we need to loop. */
        uint32_t cTries = 0;
        for (;;)
        {
            uint16_t cbLim = ASMGetIdtrLimit();
            uTsc = ASMReadTSC();
            if (RT_LIKELY(ASMGetIdtrLimit() == cbLim))
            {
                uint16_t iCpuSet = cbLim - 256 * (ARCH_BITS == 64 ? 16 : 8);
                iCpuSet &= RTCPUSET_MAX_CPUS - 1;
                iGipCpu  = pGip->aiCpuFromCpuSetIdx[iCpuSet];
                break;
            }
            if (cTries >= 16)
            {
                iGipCpu = UINT16_MAX;
                break;
            }
            cTries++;
        }
    }
    else
    {
        /* Get APIC ID via the slow CPUID instruction, requires looping. */
        uint32_t cTries = 0;
        for (;;)
        {
            uint8_t idApic = ASMGetApicId();
            uTsc = ASMReadTSC();
            if (RT_LIKELY(ASMGetApicId() == idApic))
            {
                iGipCpu = pGip->aiCpuFromApicId[idApic];
                break;
            }
            if (cTries >= 16)
            {
                iGipCpu = UINT16_MAX;
                break;
            }
            cTries++;
        }
    }
#elif defined(IN_RING0)
    /* Ring-0: Use use RTMpCpuId(), no loops. */
    RTCCUINTREG uFlags  = ASMIntDisableFlags();
    int         iCpuSet = RTMpCpuIdToSetIndex(RTMpCpuId());
    if (RT_LIKELY((unsigned)iCpuSet < RT_ELEMENTS(pGip->aiCpuFromCpuSetIdx)))
        iGipCpu = pGip->aiCpuFromCpuSetIdx[iCpuSet];
    else
        iGipCpu = UINT16_MAX;
    uTsc = ASMReadTSC();
    ASMSetFlags(uFlags);

# elif defined(IN_RC)
    /* Raw-mode context: We can get the host CPU set index via VMCPU, no loops. */
    RTCCUINTREG uFlags  = ASMIntDisableFlags(); /* Are already disable, but play safe. */
    uint32_t    iCpuSet = VMMGetCpu(&g_VM)->iHostCpuSet;
    if (RT_LIKELY(iCpuSet < RT_ELEMENTS(pGip->aiCpuFromCpuSetIdx)))
        iGipCpu = pGip->aiCpuFromCpuSetIdx[iCpuSet];
    else
        iGipCpu = UINT16_MAX;
    uTsc = ASMReadTSC();
    ASMSetFlags(uFlags);
#else
# error "IN_RING3, IN_RC or IN_RING0 must be defined!"
#endif

    /*
     * If the delta is valid, apply it.
     */
    if (RT_LIKELY(iGipCpu < pGip->cCpus))
    {
        int64_t iTscDelta = pGip->aCPUs[iGipCpu].i64TSCDelta;
        if (RT_LIKELY(iTscDelta != INT64_MAX))
            return uTsc - iTscDelta;

# ifdef IN_RING3
        /*
         * The delta needs calculating, call supdrv to get the TSC.
         */
        int rc = SUPR3ReadTsc(&uTsc, NULL);
        if (RT_SUCCESS(rc))
            return uTsc;
        AssertMsgFailed(("SUPR3ReadTsc -> %Rrc\n", rc));
        uTsc = ASMReadTSC();
# endif /* IN_RING3 */
    }

    /*
     * This shouldn't happen, especially not in ring-3 and raw-mode context.
     * But if it does, return something that's half useful.
     */
    AssertMsgFailed(("iGipCpu=%d (%#x) cCpus=%d fGetGipCpu=%#x\n", iGipCpu, iGipCpu, pGip->cCpus, pGip->fGetGipCpu));
    return uTsc;
}
RTDECL(int) RTErrConvertFromDarwin(int iNativeCode)
{
    /*
     * 'optimized' success case.
     */
    if (iNativeCode == KERN_SUCCESS)
        return VINF_SUCCESS;

    switch (iNativeCode)
    {
        /*
         * Mach.
         */
        case KERN_INVALID_ADDRESS:      return VERR_INVALID_POINTER;
        //case KERN_PROTECTION_FAILURE:
        //case KERN_NO_SPACE:
        case KERN_INVALID_ARGUMENT:     return VERR_INVALID_PARAMETER;
        //case KERN_FAILURE:
        //case KERN_RESOURCE_SHORTAGE:
        //case KERN_NOT_RECEIVER:
        case KERN_NO_ACCESS:            return VERR_ACCESS_DENIED;
        //case KERN_MEMORY_FAILURE:
        //case KERN_MEMORY_ERROR:
        //case KERN_ALREADY_IN_SET:
        //case KERN_NOT_IN_SET:
        //case KERN_NAME_EXISTS:
        //case KERN_ABORTED:
        //case KERN_INVALID_NAME:
        //case KERN_INVALID_TASK:
        //case KERN_INVALID_RIGHT:
        //case KERN_INVALID_VALUE:
        //case KERN_UREFS_OVERFLOW:
        //case KERN_INVALID_CAPABILITY:
        //case KERN_RIGHT_EXISTS:
        //case KERN_INVALID_HOST:
        //case KERN_MEMORY_PRESENT:
        //case KERN_MEMORY_DATA_MOVED:
        //case KERN_MEMORY_RESTART_COPY:
        //case KERN_INVALID_PROCESSOR_SET:
        //case KERN_POLICY_LIMIT:
        //case KERN_INVALID_POLICY:
        //case KERN_INVALID_OBJECT:
        //case KERN_ALREADY_WAITING:
        //case KERN_DEFAULT_SET:
        //case KERN_EXCEPTION_PROTECTED:
        //case KERN_INVALID_LEDGER:
        //case KERN_INVALID_MEMORY_CONTROL:
        //case KERN_INVALID_SECURITY:
        //case KERN_NOT_DEPRESSED:
        //case KERN_TERMINATED:
        //case KERN_LOCK_SET_DESTROYED:
        //case KERN_LOCK_UNSTABLE:
        case KERN_LOCK_OWNED:           return VERR_SEM_BUSY;
        //case KERN_LOCK_OWNED_SELF:
        case KERN_SEMAPHORE_DESTROYED:  return VERR_SEM_DESTROYED;
        //case KERN_RPC_SERVER_TERMINATED:
        //case KERN_RPC_TERMINATE_ORPHAN:
        //case KERN_RPC_CONTINUE_ORPHAN:
        case KERN_NOT_SUPPORTED:        return VERR_NOT_SUPPORTED;
        //case KERN_NODE_DOWN:
        //case KERN_NOT_WAITING:
        case KERN_OPERATION_TIMED_OUT:  return VERR_TIMEOUT;


        /*
         * I/O Kit.
         */
        case kIOReturnNoDevice:         return VERR_IO_BAD_UNIT;
        case kIOReturnUnsupported:      return VERR_NOT_SUPPORTED;
        case kIOReturnInternalError:    return VERR_INTERNAL_ERROR;
        case kIOReturnNoResources:      return VERR_OUT_OF_RESOURCES;
        case kIOReturnBadArgument:      return VERR_INVALID_PARAMETER;
        case kIOReturnCannotWire:       return VERR_LOCK_FAILED;

#ifdef IN_RING3
        /*
         * CoreFoundation COM (may overlap with I/O Kit and Mach).
         */
        default:
            if (    (unsigned)iNativeCode >= 0x80000000U
                &&  (unsigned)iNativeCode >= 0x8000FFFFU)
                return RTErrConvertFromDarwinCOM(iNativeCode);
            break;
#endif /* IN_RING3 */
    }

    /* unknown error. */
    AssertMsgFailed(("Unhandled error %#x\n", iNativeCode));
    return VERR_UNRESOLVED_ERROR;
}
Ejemplo n.º 15
0
/**
 * Allocates a page from the page pool.
 *
 * @returns Pointer to allocated page(s).
 * @returns NULL on failure.
 * @param   pPool   Pointer to the page pool.
 * @thread  The Emulation Thread.
 */
DECLINLINE(void *) mmR3PagePoolAlloc(PMMPAGEPOOL pPool)
{
    VM_ASSERT_EMT(pPool->pVM);
    STAM_COUNTER_INC(&pPool->cAllocCalls);

    /*
     * Walk free list.
     */
    if (pPool->pHeadFree)
    {
        PMMPAGESUBPOOL  pSub = pPool->pHeadFree;
        /* decrement free count and unlink if no more free entries. */
        if (!--pSub->cPagesFree)
            pPool->pHeadFree = pSub->pNextFree;
#ifdef VBOX_WITH_STATISTICS
        pPool->cFreePages--;
#endif

        /* find free spot in bitmap. */
#ifdef USE_INLINE_ASM_BIT_OPS
        const int iPage = ASMBitFirstClear(pSub->auBitmap, pSub->cPages);
        if (iPage >= 0)
        {
            Assert(!ASMBitTest(pSub->auBitmap, iPage));
            ASMBitSet(pSub->auBitmap, iPage);
            return (uint8_t *)pSub->pvPages + PAGE_SIZE * iPage;
        }
#else
        unsigned   *pu = &pSub->auBitmap[0];
        unsigned   *puEnd = &pSub->auBitmap[pSub->cPages / (sizeof(pSub->auBitmap) * 8)];
        while (pu < puEnd)
        {
            unsigned u;
            if ((u = *pu) != ~0U)
            {
                unsigned iBit = 0;
                unsigned uMask = 1;
                while (iBit < sizeof(pSub->auBitmap[0]) * 8)
                {
                    if (!(u & uMask))
                    {
                        *pu |= uMask;
                        return (uint8_t *)pSub->pvPages
                            + PAGE_SIZE * (iBit + ((uint8_t *)pu - (uint8_t *)&pSub->auBitmap[0]) * 8);
                    }
                    iBit++;
                    uMask <<= 1;
                }
                STAM_COUNTER_INC(&pPool->cErrors);
                AssertMsgFailed(("how odd, expected to find a free bit in %#x, but didn't\n", u));
            }
            /* next */
            pu++;
        }
#endif
        STAM_COUNTER_INC(&pPool->cErrors);
#ifdef VBOX_WITH_STATISTICS
        pPool->cFreePages++;
#endif
        AssertMsgFailed(("how strange, expected to find a free bit in %p, but didn't (%d pages supposed to be free!)\n", pSub, pSub->cPagesFree + 1));
    }

    /*
     * Allocate new subpool.
     */
    unsigned        cPages = !pPool->fLow ? 128 : 32;
    PMMPAGESUBPOOL  pSub;
    int rc = MMHyperAlloc(pPool->pVM,
                          RT_OFFSETOF(MMPAGESUBPOOL, auBitmap[cPages / (sizeof(pSub->auBitmap[0]) * 8)])
                          + (sizeof(SUPPAGE) + sizeof(MMPPLOOKUPHCPHYS)) * cPages
                          + sizeof(MMPPLOOKUPHCPTR),
                          0,
                          MM_TAG_MM_PAGE,
                          (void **)&pSub);
    if (RT_FAILURE(rc))
        return NULL;

    PSUPPAGE paPhysPages = (PSUPPAGE)&pSub->auBitmap[cPages / (sizeof(pSub->auBitmap[0]) * 8)];
    Assert((uintptr_t)paPhysPages >= (uintptr_t)&pSub->auBitmap[1]);
    if (!pPool->fLow)
    {
        rc = SUPR3PageAllocEx(cPages,
                              0 /* fFlags */,
                              &pSub->pvPages,
                              NULL,
                              paPhysPages);
        if (RT_FAILURE(rc))
            rc = VMSetError(pPool->pVM, rc, RT_SRC_POS,
                            N_("Failed to lock host %zd bytes of memory (out of memory)"), (size_t)cPages << PAGE_SHIFT);
    }
    else
        rc = SUPR3LowAlloc(cPages, &pSub->pvPages, NULL, paPhysPages);
    if (RT_SUCCESS(rc))
    {
        /*
         * Setup the sub structure and allocate the requested page.
         */
        pSub->cPages    = cPages;
        pSub->cPagesFree= cPages - 1;
        pSub->paPhysPages = paPhysPages;
        memset(pSub->auBitmap, 0, cPages / 8);
        /* allocate first page. */
        pSub->auBitmap[0] |= 1;
        /* link into free chain. */
        pSub->pNextFree = pPool->pHeadFree;
        pPool->pHeadFree= pSub;
        /* link into main chain. */
        pSub->pNext     = pPool->pHead;
        pPool->pHead    = pSub;
        /* update pool statistics. */
        pPool->cSubPools++;
        pPool->cPages  += cPages;
#ifdef VBOX_WITH_STATISTICS
        pPool->cFreePages += cPages - 1;
#endif

        /*
         * Initialize the physical pages with backpointer to subpool.
         */
        unsigned i = cPages;
        while (i-- > 0)
        {
            AssertMsg(paPhysPages[i].Phys && !(paPhysPages[i].Phys & PAGE_OFFSET_MASK),
                      ("i=%d Phys=%d\n", i, paPhysPages[i].Phys));
            paPhysPages[i].uReserved = (RTHCUINTPTR)pSub;
        }

        /*
         * Initialize the physical lookup record with backpointers to the physical pages.
         */
        PMMPPLOOKUPHCPHYS paLookupPhys = (PMMPPLOOKUPHCPHYS)&paPhysPages[cPages];
        i = cPages;
        while (i-- > 0)
        {
            paLookupPhys[i].pPhysPage = &paPhysPages[i];
            paLookupPhys[i].Core.Key = paPhysPages[i].Phys;
            RTAvlHCPhysInsert(&pPool->pLookupPhys, &paLookupPhys[i].Core);
        }

        /*
         * And the one record for virtual memory lookup.
         */
        PMMPPLOOKUPHCPTR   pLookupVirt = (PMMPPLOOKUPHCPTR)&paLookupPhys[cPages];
        pLookupVirt->pSubPool = pSub;
        pLookupVirt->Core.Key = pSub->pvPages;
        RTAvlPVInsert(&pPool->pLookupVirt, &pLookupVirt->Core);

        /* return allocated page (first). */
        return pSub->pvPages;
    }

    MMHyperFree(pPool->pVM, pSub);
    STAM_COUNTER_INC(&pPool->cErrors);
    if (pPool->fLow)
        VMSetError(pPool->pVM, rc, RT_SRC_POS,
                   N_("Failed to expand page pool for memory below 4GB. Current size: %d pages"),
                   pPool->cPages);
    AssertMsgFailed(("Failed to expand pool%s. rc=%Rrc poolsize=%d\n",
                     pPool->fLow ? " (<4GB)" : "", rc, pPool->cPages));
    return NULL;
}
static int drvHostALSAAudioALSAToFmt(snd_pcm_format_t fmt,
                                     PDMAUDIOFMT *pFmt, PDMAUDIOENDIANNESS *pEndianness)
{
    AssertPtrReturn(pFmt, VERR_INVALID_POINTER);
    /* pEndianness is optional. */

    switch (fmt)
    {
        case SND_PCM_FORMAT_S8:
            *pFmt = AUD_FMT_S8;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_U8:
            *pFmt = AUD_FMT_U8;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_S16_LE:
            *pFmt = AUD_FMT_S16;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_U16_LE:
            *pFmt = AUD_FMT_U16;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_S16_BE:
            *pFmt = AUD_FMT_S16;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_BIG;
            break;

        case SND_PCM_FORMAT_U16_BE:
            *pFmt = AUD_FMT_U16;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_BIG;
            break;

        case SND_PCM_FORMAT_S32_LE:
            *pFmt = AUD_FMT_S32;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_U32_LE:
            *pFmt = AUD_FMT_U32;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_LITTLE;
            break;

        case SND_PCM_FORMAT_S32_BE:
            *pFmt = AUD_FMT_S32;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_BIG;
            break;

        case SND_PCM_FORMAT_U32_BE:
            *pFmt = AUD_FMT_U32;
            if (pEndianness)
                *pEndianness = PDMAUDIOENDIANNESS_BIG;
            break;

        default:
            AssertMsgFailed(("Format %ld not supported\n", fmt));
            return VERR_NOT_SUPPORTED;
    }

    return VINF_SUCCESS;
}
Ejemplo n.º 17
0
/**
 * @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;
}
Ejemplo n.º 18
0
DECLHIDDEN(int) rtR0MemObjNativeFree(RTR0MEMOBJ pMem)
{
    PRTR0MEMOBJNT pMemNt = (PRTR0MEMOBJNT)pMem;

    /*
     * Deal with it on a per type basis (just as a variation).
     */
    switch (pMemNt->Core.enmType)
    {
    case RTR0MEMOBJTYPE_LOW:
#ifndef IPRT_TARGET_NT4
        if (pMemNt->fAllocatedPagesForMdl)
        {
            Assert(pMemNt->Core.pv && pMemNt->cMdls == 1 && pMemNt->apMdls[0]);
            MmUnmapLockedPages(pMemNt->Core.pv, pMemNt->apMdls[0]);
            pMemNt->Core.pv = NULL;
            if (pMemNt->pvSecureMem)
            {
                MmUnsecureVirtualMemory(pMemNt->pvSecureMem);
                pMemNt->pvSecureMem = NULL;
            }

            MmFreePagesFromMdl(pMemNt->apMdls[0]);
            ExFreePool(pMemNt->apMdls[0]);
            pMemNt->apMdls[0] = NULL;
            pMemNt->cMdls = 0;
            break;
        }
#endif
        AssertFailed();
        break;

    case RTR0MEMOBJTYPE_PAGE:
        Assert(pMemNt->Core.pv);
        ExFreePool(pMemNt->Core.pv);
        pMemNt->Core.pv = NULL;

        Assert(pMemNt->cMdls == 1 && pMemNt->apMdls[0]);
        IoFreeMdl(pMemNt->apMdls[0]);
        pMemNt->apMdls[0] = NULL;
        pMemNt->cMdls = 0;
        break;

    case RTR0MEMOBJTYPE_CONT:
        Assert(pMemNt->Core.pv);
        MmFreeContiguousMemory(pMemNt->Core.pv);
        pMemNt->Core.pv = NULL;

        Assert(pMemNt->cMdls == 1 && pMemNt->apMdls[0]);
        IoFreeMdl(pMemNt->apMdls[0]);
        pMemNt->apMdls[0] = NULL;
        pMemNt->cMdls = 0;
        break;

    case RTR0MEMOBJTYPE_PHYS:
        /* rtR0MemObjNativeEnterPhys? */
        if (!pMemNt->Core.u.Phys.fAllocated)
        {
#ifndef IPRT_TARGET_NT4
            Assert(!pMemNt->fAllocatedPagesForMdl);
#endif
            /* Nothing to do here. */
            break;
        }
    /* fall thru */

    case RTR0MEMOBJTYPE_PHYS_NC:
#ifndef IPRT_TARGET_NT4
        if (pMemNt->fAllocatedPagesForMdl)
        {
            MmFreePagesFromMdl(pMemNt->apMdls[0]);
            ExFreePool(pMemNt->apMdls[0]);
            pMemNt->apMdls[0] = NULL;
            pMemNt->cMdls = 0;
            break;
        }
#endif
        AssertFailed();
        break;

    case RTR0MEMOBJTYPE_LOCK:
        if (pMemNt->pvSecureMem)
        {
            MmUnsecureVirtualMemory(pMemNt->pvSecureMem);
            pMemNt->pvSecureMem = NULL;
        }
        for (uint32_t i = 0; i < pMemNt->cMdls; i++)
        {
            MmUnlockPages(pMemNt->apMdls[i]);
            IoFreeMdl(pMemNt->apMdls[i]);
            pMemNt->apMdls[i] = NULL;
        }
        break;

    case RTR0MEMOBJTYPE_RES_VIRT:
        /*            if (pMemNt->Core.u.ResVirt.R0Process == NIL_RTR0PROCESS)
                    {
                    }
                    else
                    {
                    }*/
        AssertMsgFailed(("RTR0MEMOBJTYPE_RES_VIRT\n"));
        return VERR_INTERNAL_ERROR;
        break;

    case RTR0MEMOBJTYPE_MAPPING:
    {
        Assert(pMemNt->cMdls == 0 && pMemNt->Core.pv);
        PRTR0MEMOBJNT pMemNtParent = (PRTR0MEMOBJNT)pMemNt->Core.uRel.Child.pParent;
        Assert(pMemNtParent);
        if (pMemNtParent->cMdls)
        {
            Assert(pMemNtParent->cMdls == 1 && pMemNtParent->apMdls[0]);
            Assert(     pMemNt->Core.u.Mapping.R0Process == NIL_RTR0PROCESS
                        ||   pMemNt->Core.u.Mapping.R0Process == RTR0ProcHandleSelf());
            MmUnmapLockedPages(pMemNt->Core.pv, pMemNtParent->apMdls[0]);
        }
        else
        {
            Assert(     pMemNtParent->Core.enmType == RTR0MEMOBJTYPE_PHYS
                        &&   !pMemNtParent->Core.u.Phys.fAllocated);
            Assert(pMemNt->Core.u.Mapping.R0Process == NIL_RTR0PROCESS);
            MmUnmapIoSpace(pMemNt->Core.pv, pMemNt->Core.cb);
        }
        pMemNt->Core.pv = NULL;
        break;
    }

    default:
        AssertMsgFailed(("enmType=%d\n", pMemNt->Core.enmType));
        return VERR_INTERNAL_ERROR;
    }

    return VINF_SUCCESS;
}
Ejemplo n.º 19
0
DECL_FORCE_INLINE(int) rtSemMutexRequest(RTSEMMUTEX hMutexSem, RTMSINTERVAL cMillies, bool fAutoResume, PCRTLOCKVALSRCPOS pSrcPos)
{
    /*
     * Validate input.
     */
    struct RTSEMMUTEXINTERNAL *pThis = hMutexSem;
    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
    AssertReturn(pThis->u32Magic == RTSEMMUTEX_MAGIC, VERR_INVALID_HANDLE);

    /*
     * Check if nested request.
     */
    pthread_t Self = pthread_self();
    if (    pThis->Owner == Self
            &&  pThis->cNestings > 0)
    {
#ifdef RTSEMMUTEX_STRICT
        int rc9 = RTLockValidatorRecExclRecursion(&pThis->ValidatorRec, pSrcPos);
        if (RT_FAILURE(rc9))
            return rc9;
#endif
        ASMAtomicIncU32(&pThis->cNestings);
        return VINF_SUCCESS;
    }

#ifdef RTSEMMUTEX_STRICT
    RTTHREAD hThreadSelf = RTThreadSelfAutoAdopt();
    if (cMillies)
    {
        int rc9 = RTLockValidatorRecExclCheckOrder(&pThis->ValidatorRec, hThreadSelf, pSrcPos, cMillies);
        if (RT_FAILURE(rc9))
            return rc9;
    }
#else
    RTTHREAD hThreadSelf = RTThreadSelf();
#endif

    /*
     * Convert timeout value.
     */
    struct timespec ts;
    struct timespec *pTimeout = NULL;
    uint64_t u64End = 0; /* shut up gcc */
    if (cMillies != RT_INDEFINITE_WAIT)
    {
        ts.tv_sec  = cMillies / 1000;
        ts.tv_nsec = (cMillies % 1000) * UINT32_C(1000000);
        u64End = RTTimeSystemNanoTS() + cMillies * UINT64_C(1000000);
        pTimeout = &ts;
    }

    /*
     * Lock the mutex.
     * Optimize for the uncontended case (makes 1-2 ns difference).
     */
    if (RT_UNLIKELY(!ASMAtomicCmpXchgS32(&pThis->iState, 1, 0)))
    {
        for (;;)
        {
            int32_t iOld = ASMAtomicXchgS32(&pThis->iState, 2);

            /*
             * Was the lock released in the meantime? This is unlikely (but possible)
             */
            if (RT_UNLIKELY(iOld == 0))
                break;

            /*
             * Go to sleep.
             */
            if (pTimeout && ( pTimeout->tv_sec || pTimeout->tv_nsec ))
            {
#ifdef RTSEMMUTEX_STRICT
                int rc9 = RTLockValidatorRecExclCheckBlocking(&pThis->ValidatorRec, hThreadSelf, pSrcPos, true,
                          cMillies, RTTHREADSTATE_MUTEX, true);
                if (RT_FAILURE(rc9))
                    return rc9;
#else
                RTThreadBlocking(hThreadSelf, RTTHREADSTATE_MUTEX, true);
#endif
            }

            long rc = sys_futex(&pThis->iState, FUTEX_WAIT, 2, pTimeout, NULL, 0);

            RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_MUTEX);
            if (RT_UNLIKELY(pThis->u32Magic != RTSEMMUTEX_MAGIC))
                return VERR_SEM_DESTROYED;

            /*
             * Act on the wakup code.
             */
            if (rc == -ETIMEDOUT)
            {
                Assert(pTimeout);
                return VERR_TIMEOUT;
            }
            if (rc == 0)
                /* we'll leave the loop now unless another thread is faster */;
            else if (rc == -EWOULDBLOCK)
                /* retry with new value. */;
            else if (rc == -EINTR)
            {
                if (!fAutoResume)
                    return VERR_INTERRUPTED;
            }
            else
            {
                /* this shouldn't happen! */
                AssertMsgFailed(("rc=%ld errno=%d\n", rc, errno));
                return RTErrConvertFromErrno(rc);
            }

            /* adjust the relative timeout */
            if (pTimeout)
            {
                int64_t i64Diff = u64End - RTTimeSystemNanoTS();
                if (i64Diff < 1000)
                {
                    rc = VERR_TIMEOUT;
                    break;
                }
                ts.tv_sec  = (uint64_t)i64Diff / UINT32_C(1000000000);
                ts.tv_nsec = (uint64_t)i64Diff % UINT32_C(1000000000);
            }
        }

        /*
         * When leaving this loop, iState is set to 2. This means that we gained the
         * lock and there are _possibly_ some waiters. We don't know exactly as another
         * thread might entered this loop at nearly the same time. Therefore we will
         * call futex_wakeup once too often (if _no_ other thread entered this loop).
         * The key problem is the simple futex_wait test for x != y (iState != 2) in
         * our case).
         */
    }

    /*
     * Set the owner and nesting.
     */
    pThis->Owner = Self;
    ASMAtomicWriteU32(&pThis->cNestings, 1);
#ifdef RTSEMMUTEX_STRICT
    RTLockValidatorRecExclSetOwner(&pThis->ValidatorRec, hThreadSelf, pSrcPos, true);
#endif
    return VINF_SUCCESS;
}
Ejemplo n.º 20
0
/**
 * 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;
}
Ejemplo n.º 21
0
/**
 * @copydoc USBPROXYBACK::pfnUrbQueue
 */
static DECLCALLBACK(int) usbProxyWinUrbQueue(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb)
{
    PPRIV_USBW32 pPriv = USBPROXYDEV_2_DATA(pProxyDev, PPRIV_USBW32);
    Assert(pPriv);

    /*
     * Allocate and initialize a URB queue structure.
     */
    /** @todo pool these */
    PQUEUED_URB pQUrbWin = (PQUEUED_URB)RTMemAllocZ(sizeof(QUEUED_URB));
    if (!pQUrbWin)
        return VERR_NO_MEMORY;

    switch (pUrb->enmType)
    {
        case VUSBXFERTYPE_CTRL: pQUrbWin->urbwin.type = USBSUP_TRANSFER_TYPE_CTRL; break; /* you won't ever see these */
        case VUSBXFERTYPE_ISOC: pQUrbWin->urbwin.type = USBSUP_TRANSFER_TYPE_ISOC;
            pQUrbWin->urbwin.numIsoPkts = pUrb->cIsocPkts;
            for (unsigned i = 0; i < pUrb->cIsocPkts; ++i)
            {
                pQUrbWin->urbwin.aIsoPkts[i].cb   = pUrb->aIsocPkts[i].cb;
                pQUrbWin->urbwin.aIsoPkts[i].off  = pUrb->aIsocPkts[i].off;
                pQUrbWin->urbwin.aIsoPkts[i].stat = USBSUP_XFER_OK;
            }
            break;
        case VUSBXFERTYPE_BULK: pQUrbWin->urbwin.type = USBSUP_TRANSFER_TYPE_BULK; break;
        case VUSBXFERTYPE_INTR: pQUrbWin->urbwin.type = USBSUP_TRANSFER_TYPE_INTR; break;
        case VUSBXFERTYPE_MSG:  pQUrbWin->urbwin.type = USBSUP_TRANSFER_TYPE_MSG; break;
        default:
            AssertMsgFailed(("Invalid type %d\n", pUrb->enmType));
            return VERR_INVALID_PARAMETER;
    }

    switch (pUrb->enmDir)
    {
        case VUSBDIRECTION_SETUP:
            AssertFailed();
            pQUrbWin->urbwin.dir = USBSUP_DIRECTION_SETUP;
            break;
        case VUSBDIRECTION_IN:
            pQUrbWin->urbwin.dir = USBSUP_DIRECTION_IN;
            break;
        case VUSBDIRECTION_OUT:
            pQUrbWin->urbwin.dir = USBSUP_DIRECTION_OUT;
            break;
        default:
            AssertMsgFailed(("Invalid direction %d\n", pUrb->enmDir));
            return VERR_INVALID_PARAMETER;
    }

    Log(("usbproxy: Queue URB %p ep=%d cbData=%d abData=%p cIsocPkts=%d\n", pUrb, pUrb->EndPt, pUrb->cbData, pUrb->abData, pUrb->cIsocPkts));

    pQUrbWin->urb           = pUrb;
    pQUrbWin->urbwin.ep     = pUrb->EndPt;
    pQUrbWin->urbwin.len    = pUrb->cbData;
    pQUrbWin->urbwin.buf    = pUrb->abData;
    pQUrbWin->urbwin.error  = USBSUP_XFER_OK;
    pQUrbWin->urbwin.flags  = USBSUP_FLAG_NONE;
    if (pUrb->enmDir == VUSBDIRECTION_IN && !pUrb->fShortNotOk)
        pQUrbWin->urbwin.flags = USBSUP_FLAG_SHORT_OK;

    int rc = VINF_SUCCESS;
    pQUrbWin->overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
    if (pQUrbWin->overlapped.hEvent != INVALID_HANDLE_VALUE)
    {
        pUrb->Dev.pvPrivate = pQUrbWin;

        if (   DeviceIoControl(pPriv->hDev, SUPUSB_IOCTL_SEND_URB,
                               &pQUrbWin->urbwin, sizeof(pQUrbWin->urbwin),
                               &pQUrbWin->urbwin, sizeof(pQUrbWin->urbwin),
                               &pQUrbWin->cbReturned, &pQUrbWin->overlapped)
            || GetLastError() == ERROR_IO_PENDING)
        {
            /* insert into the queue */
            RTCritSectEnter(&pPriv->CritSect);
            unsigned j = pPriv->cPendingUrbs;
            pPriv->aPendingUrbs[j] = pQUrbWin;
            pPriv->cPendingUrbs++;
            RTCritSectLeave(&pPriv->CritSect);
            SetEvent(pPriv->hEventWakeup);
            return VINF_SUCCESS;
        }
        else
        {
            DWORD dwErr = GetLastError();
            if (   dwErr == ERROR_INVALID_HANDLE_STATE
                || dwErr == ERROR_BAD_COMMAND)
            {
                Log(("usbproxy: device %p unplugged!!\n", pPriv->hDev));
                pProxyDev->fDetached = true;
            }
            else
                AssertMsgFailed(("dwErr=%X urbwin.error=%d (submit urb)\n", dwErr, pQUrbWin->urbwin.error));
            rc = RTErrConvertFromWin32(dwErr);
            CloseHandle(pQUrbWin->overlapped.hEvent);
            pQUrbWin->overlapped.hEvent = INVALID_HANDLE_VALUE;
        }
    }
#ifdef DEBUG_misha
    else
    {
        AssertMsgFailed(("FAILED!!, hEvent(0x%p)\n", pQUrbWin->overlapped.hEvent));
        rc = VERR_NO_MEMORY;
    }
#endif

    Assert(pQUrbWin->overlapped.hEvent == INVALID_HANDLE_VALUE);
    RTMemFree(pQUrbWin);
    return rc;
}
Ejemplo n.º 22
0
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
{
    /*
     * Convert the priority type to scheduling policies.
     * (This is really just guess work.)
     */
    bool                            fSetExtended = false;
    thread_extended_policy          Extended = { true };
    bool                            fSetTimeContstraint = false;
    thread_time_constraint_policy   TimeConstraint = { 0, 0, 0, true };
    thread_precedence_policy        Precedence = { 0 };
    switch (enmType)
    {
        case RTTHREADTYPE_INFREQUENT_POLLER:
            Precedence.importance = 1;
            break;

        case RTTHREADTYPE_EMULATION:
            Precedence.importance = 30;
            break;

        case RTTHREADTYPE_DEFAULT:
            Precedence.importance = 31;
            break;

        case RTTHREADTYPE_MSG_PUMP:
            Precedence.importance = 34;
            break;

        case RTTHREADTYPE_IO:
            Precedence.importance = 98;
            break;

        case RTTHREADTYPE_TIMER:
            Precedence.importance = 0x7fffffff;

            fSetExtended = true;
            Extended.timeshare = FALSE;

            fSetTimeContstraint = true;
            TimeConstraint.period = 0; /* not really true for a real timer thread, but we've really no idea. */
            TimeConstraint.computation = rtDarwinAbsTimeFromNano(100000); /* 100 us*/
            TimeConstraint.constraint = rtDarwinAbsTimeFromNano(500000);  /* 500 us */
            TimeConstraint.preemptible = FALSE;
            break;

        default:
            AssertMsgFailed(("enmType=%d\n", enmType));
            return VERR_INVALID_PARAMETER;
    }
    RT_ASSERT_INTS_ON();

    /*
     * Do the actual modification.
     */
    kern_return_t kr = thread_policy_set((thread_t)pThread->Core.Key, THREAD_PRECEDENCE_POLICY,
                                         (thread_policy_t)&Precedence, THREAD_PRECEDENCE_POLICY_COUNT);
    AssertMsg(kr == KERN_SUCCESS, ("%rc\n", kr)); NOREF(kr);

    if (fSetExtended)
    {
        kr = thread_policy_set((thread_t)pThread->Core.Key, THREAD_EXTENDED_POLICY,
                               (thread_policy_t)&Extended, THREAD_EXTENDED_POLICY_COUNT);
        AssertMsg(kr == KERN_SUCCESS, ("%rc\n", kr));
    }

    if (fSetTimeContstraint)
    {
        kr = thread_policy_set((thread_t)pThread->Core.Key, THREAD_TIME_CONSTRAINT_POLICY,
                               (thread_policy_t)&TimeConstraint, THREAD_TIME_CONSTRAINT_POLICY_COUNT);
        AssertMsg(kr == KERN_SUCCESS, ("%rc\n", kr));
    }

    return VINF_SUCCESS; /* ignore any errors for now */
}
Ejemplo n.º 23
0
RTR3DECL(int)  RTErrConvertFromWin32(unsigned uNativeCode)
{
    /* very fast check for no error. */
    if (uNativeCode == ERROR_SUCCESS)
        return(VINF_SUCCESS);

    /* process error codes. */
    switch (uNativeCode)
    {
        case ERROR_INVALID_FUNCTION:        return VERR_INVALID_FUNCTION;
        case ERROR_FILE_NOT_FOUND:          return VERR_FILE_NOT_FOUND;
        case ERROR_PATH_NOT_FOUND:          return VERR_PATH_NOT_FOUND;
        case ERROR_TOO_MANY_OPEN_FILES:     return VERR_TOO_MANY_OPEN_FILES;
        case ERROR_ACCESS_DENIED:           return VERR_ACCESS_DENIED;

        case ERROR_INVALID_HANDLE:
        case ERROR_DIRECT_ACCESS_HANDLE:    return VERR_INVALID_HANDLE;

        case ERROR_NO_SYSTEM_RESOURCES: /** @todo better translation */
        case ERROR_NOT_ENOUGH_MEMORY:
        case ERROR_OUTOFMEMORY:             return VERR_NO_MEMORY;

        case ERROR_INVALID_DRIVE:           return VERR_INVALID_DRIVE;
        case ERROR_CURRENT_DIRECTORY:       return VERR_CANT_DELETE_DIRECTORY;
        case ERROR_NOT_SAME_DEVICE:         return VERR_NOT_SAME_DEVICE;
        case ERROR_NO_MORE_FILES:           return VERR_NO_MORE_FILES;
        case ERROR_WRITE_PROTECT:           return VERR_WRITE_PROTECT;
        case ERROR_BAD_UNIT:                return VERR_IO_BAD_UNIT;
        case ERROR_NOT_READY:               return VERR_IO_NOT_READY;
        case ERROR_BAD_COMMAND:             return VERR_IO_BAD_COMMAND;
        case ERROR_CRC:                     return VERR_IO_CRC;
        case ERROR_BAD_LENGTH:              return VERR_IO_BAD_LENGTH;
        case ERROR_SEEK:                    return VERR_SEEK;
        case ERROR_NOT_DOS_DISK:            return VERR_DISK_INVALID_FORMAT;
        case ERROR_SECTOR_NOT_FOUND:        return VERR_IO_SECTOR_NOT_FOUND;
        case ERROR_WRITE_FAULT:             return VERR_WRITE_ERROR;
        case ERROR_READ_FAULT:              return VERR_READ_ERROR;
        case ERROR_GEN_FAILURE:             return VERR_IO_GEN_FAILURE;
        case ERROR_SHARING_VIOLATION:       return VERR_SHARING_VIOLATION;
        case ERROR_LOCK_VIOLATION:          return VERR_FILE_LOCK_VIOLATION;
        case ERROR_HANDLE_EOF:              return VERR_EOF;
        case ERROR_NOT_LOCKED:              return VERR_FILE_NOT_LOCKED;
        case ERROR_DIR_NOT_EMPTY:           return VERR_DIR_NOT_EMPTY;

        case ERROR_HANDLE_DISK_FULL:
        case ERROR_DISK_FULL:               return VERR_DISK_FULL;

        case ERROR_NOT_SUPPORTED:           return VERR_NOT_SUPPORTED;

        case ERROR_INVALID_PARAMETER:
        case ERROR_BAD_ARGUMENTS:
        case ERROR_INVALID_FLAGS:           return VERR_INVALID_PARAMETER;

        case ERROR_REM_NOT_LIST:            return VERR_NET_IO_ERROR;

        case ERROR_BAD_NETPATH:
        case ERROR_NETNAME_DELETED:         return VERR_NET_HOST_NOT_FOUND;

        case ERROR_BAD_NET_NAME:
        case ERROR_DEV_NOT_EXIST:           return VERR_NET_PATH_NOT_FOUND;

        case ERROR_NETWORK_BUSY:
        case ERROR_TOO_MANY_CMDS:
        case ERROR_TOO_MANY_NAMES:
        case ERROR_TOO_MANY_SESS:
        case ERROR_OUT_OF_STRUCTURES:       return VERR_NET_OUT_OF_RESOURCES;

        case ERROR_PRINTQ_FULL:
        case ERROR_NO_SPOOL_SPACE:
        case ERROR_PRINT_CANCELLED:         return VERR_NET_PRINT_ERROR;

        case ERROR_DUP_NAME:
        case ERROR_ADAP_HDW_ERR:
        case ERROR_BAD_NET_RESP:
        case ERROR_UNEXP_NET_ERR:
        case ERROR_BAD_REM_ADAP:
        case ERROR_NETWORK_ACCESS_DENIED:
        case ERROR_BAD_DEV_TYPE:
        case ERROR_SHARING_PAUSED:
        case ERROR_REQ_NOT_ACCEP:
        case ERROR_REDIR_PAUSED:
        case ERROR_ALREADY_ASSIGNED:
        case ERROR_INVALID_PASSWORD:
        case ERROR_NET_WRITE_FAULT:         return VERR_NET_IO_ERROR;

        case ERROR_FILE_EXISTS:
        case ERROR_ALREADY_EXISTS:          return VERR_ALREADY_EXISTS;

        case ERROR_CANNOT_MAKE:             return VERR_CANT_CREATE;
        case ERROR_NO_PROC_SLOTS:           return VERR_MAX_PROCS_REACHED;
        case ERROR_TOO_MANY_SEMAPHORES:     return VERR_TOO_MANY_SEMAPHORES;
        case ERROR_EXCL_SEM_ALREADY_OWNED:  return VERR_EXCL_SEM_ALREADY_OWNED;
        case ERROR_SEM_IS_SET:              return VERR_SEM_IS_SET;
        case ERROR_TOO_MANY_SEM_REQUESTS:   return VERR_TOO_MANY_SEM_REQUESTS;
        case ERROR_SEM_OWNER_DIED:          return VERR_SEM_OWNER_DIED;
        case ERROR_DRIVE_LOCKED:            return VERR_DRIVE_LOCKED;
        case ERROR_BROKEN_PIPE:             return VERR_BROKEN_PIPE;
        case ERROR_OPEN_FAILED:             return VERR_OPEN_FAILED;

        case ERROR_BUFFER_OVERFLOW:
        case ERROR_INSUFFICIENT_BUFFER:     return VERR_BUFFER_OVERFLOW;

        case ERROR_NO_MORE_SEARCH_HANDLES:  return VERR_NO_MORE_SEARCH_HANDLES;

        case ERROR_SEM_TIMEOUT:
        case WAIT_TIMEOUT:
        case ERROR_SERVICE_REQUEST_TIMEOUT:
        case ERROR_COUNTER_TIMEOUT:
        case ERROR_TIMEOUT:                 return VERR_TIMEOUT;

        case ERROR_INVALID_NAME:
        case ERROR_BAD_PATHNAME:            return VERR_INVALID_NAME;

        case ERROR_NEGATIVE_SEEK:           return VERR_NEGATIVE_SEEK;
        case ERROR_SEEK_ON_DEVICE:          return VERR_SEEK_ON_DEVICE;

        case ERROR_SIGNAL_REFUSED:
        case ERROR_NO_SIGNAL_SENT:          return VERR_SIGNAL_REFUSED;

        case ERROR_SIGNAL_PENDING:          return VERR_SIGNAL_PENDING;
        case ERROR_MAX_THRDS_REACHED:       return VERR_MAX_THRDS_REACHED;
        case ERROR_LOCK_FAILED:             return VERR_FILE_LOCK_FAILED;
        case ERROR_SEM_NOT_FOUND:           return VERR_SEM_NOT_FOUND;
        case ERROR_FILENAME_EXCED_RANGE:    return VERR_FILENAME_TOO_LONG;
        case ERROR_INVALID_SIGNAL_NUMBER:   return VERR_SIGNAL_INVALID;

        case ERROR_BAD_PIPE:                return VERR_BAD_PIPE;
        case ERROR_PIPE_BUSY:               return VERR_PIPE_BUSY;
        case ERROR_NO_DATA:                 return VERR_NO_DATA;
        case ERROR_PIPE_NOT_CONNECTED:      return VERR_PIPE_NOT_CONNECTED;
        case ERROR_MORE_DATA:               return VERR_MORE_DATA;
        case ERROR_NOT_OWNER:               return VERR_NOT_OWNER;
        case ERROR_TOO_MANY_POSTS:          return VERR_TOO_MANY_POSTS;

        case ERROR_PIPE_CONNECTED:
        case ERROR_PIPE_LISTENING:          return VERR_PIPE_IO_ERROR;

        case ERROR_OPERATION_ABORTED:       return VERR_INTERRUPTED;
        case ERROR_NO_UNICODE_TRANSLATION:  return VERR_NO_TRANSLATION;

        case RPC_S_INVALID_STRING_UUID:     return VERR_INVALID_UUID_FORMAT;

        case ERROR_PROC_NOT_FOUND:          return VERR_SYMBOL_NOT_FOUND;
        case ERROR_MOD_NOT_FOUND:           return VERR_MODULE_NOT_FOUND;

        case ERROR_INVALID_EXE_SIGNATURE:   return VERR_INVALID_EXE_SIGNATURE;
        case ERROR_BAD_EXE_FORMAT:          return VERR_BAD_EXE_FORMAT;
        case ERROR_RESOURCE_DATA_NOT_FOUND: return VERR_NO_DATA; ///@todo fix ERROR_RESOURCE_DATA_NOT_FOUND translation
        case ERROR_INVALID_ADDRESS:         return VERR_INVALID_POINTER; ///@todo fix ERROR_INVALID_ADDRESS translation - dbghelp returns it on some line number queries.

        case ERROR_CANCELLED:               return VERR_CANCELLED;
        case ERROR_DIRECTORY:               return VERR_NOT_A_DIRECTORY;

        case ERROR_LOGON_FAILURE:           return VERR_AUTHENTICATION_FAILURE;

        /*
         * Winsocket errors are mostly BSD errno.h wrappers.
         * This is copied from RTErrConvertFromErrno() and checked against winsock.h.
         * Please, keep things in sync!
         */
#ifdef WSAEPERM
        case WSAEPERM:             return VERR_ACCESS_DENIED;                      /*   1 */
#endif
#ifdef WSAENOENT
        case WSAENOENT:            return VERR_FILE_NOT_FOUND;
#endif
#ifdef WSAESRCH
        case WSAESRCH:             return VERR_PROCESS_NOT_FOUND;
#endif
        case WSAEINTR:             return VERR_INTERRUPTED;
#ifdef WSAEIO
        case WSAEIO:               return VERR_DEV_IO_ERROR;
#endif
#ifdef WSAE2BIG
        case WSAE2BIG:             return VERR_TOO_MUCH_DATA;
#endif
#ifdef WSAENOEXEC
        case WSAENOEXEC:           return VERR_BAD_EXE_FORMAT;
#endif
        case WSAEBADF:             return VERR_INVALID_HANDLE;
#ifdef WSAECHILD
        case WSAECHILD:            return VERR_PROCESS_NOT_FOUND; //...            /*  10 */
#endif
        case WSAEWOULDBLOCK:       return VERR_TRY_AGAIN; /* EAGAIN */
#ifdef WSAENOMEM
        case WSAENOMEM:            return VERR_NO_MEMORY;
#endif
        case WSAEACCES:            return VERR_ACCESS_DENIED;
        case WSAEFAULT:            return VERR_INVALID_POINTER;
        //case WSAENOTBLK:           return VERR_;
#ifdef WSAEBUSY
        case WSAEBUSY:             return VERR_DEV_IO_ERROR;
#endif
#ifdef WSAEEXIST
        case WSAEEXIST:            return VERR_ALREADY_EXISTS;
#endif
        //case WSAEXDEV:
#ifdef WSAENODEV
        case WSAENODEV:            return VERR_NOT_SUPPORTED;
#endif
#ifdef WSAENOTDIR
        case WSAENOTDIR:           return VERR_PATH_NOT_FOUND;                     /*  20 */
#endif
#ifdef WSAEISDIR
        case WSAEISDIR:            return VERR_FILE_NOT_FOUND;
#endif
        case WSAEINVAL:            return VERR_INVALID_PARAMETER;
#ifdef WSAENFILE
        case WSAENFILE:            return VERR_TOO_MANY_OPEN_FILES;
#endif
        case WSAEMFILE:            return VERR_TOO_MANY_OPEN_FILES;
#ifdef WSAENOTTY
        case WSAENOTTY:            return VERR_INVALID_FUNCTION;
#endif
#ifdef WSAETXTBSY
        case WSAETXTBSY:           return VERR_SHARING_VIOLATION;
#endif
        //case WSAEFBIG:
#ifdef WSAENOSPC
        case WSAENOSPC:            return VERR_DISK_FULL;
#endif
#ifdef WSAESPIPE
        case WSAESPIPE:            return VERR_SEEK_ON_DEVICE;
#endif
#ifdef WSAEROFS
        case WSAEROFS:             return VERR_WRITE_PROTECT;                      /*  30 */
#endif
        //case WSAEMLINK:
#ifdef WSAEPIPE
        case WSAEPIPE:             return VERR_BROKEN_PIPE;
#endif
#ifdef WSAEDOM
        case WSAEDOM:              return VERR_INVALID_PARAMETER;
#endif
#ifdef WSAERANGE
        case WSAERANGE:            return VERR_INVALID_PARAMETER;
#endif
#ifdef WSAEDEADLK
        case WSAEDEADLK:           return VERR_DEADLOCK;
#endif
        case WSAENAMETOOLONG:      return VERR_FILENAME_TOO_LONG;
#ifdef WSAENOLCK
        case WSAENOLCK:            return VERR_FILE_LOCK_FAILED;
#endif
#ifdef WSAENOSYS
        case WSAENOSYS:            return VERR_NOT_SUPPORTED;
#endif
        case WSAENOTEMPTY:         return VERR_CANT_DELETE_DIRECTORY;
        case WSAELOOP:             return VERR_TOO_MANY_SYMLINKS;                  /*  40 */
        //case WSAENOMSG                42      /* No message of desired type */
        //case WSAEIDRM                 43      /* Identifier removed */
        //case WSAECHRNG                44      /* Channel number out of range */
        //case WSAEL2NSYNC              45      /* Level 2 not synchronized */
        //case WSAEL3HLT                46      /* Level 3 halted */
        //case WSAEL3RST                47      /* Level 3 reset */
        //case WSAELNRNG                48      /* Link number out of range */
        //case WSAEUNATCH               49      /* Protocol driver not attached */
        //case WSAENOCSI                50      /* No CSI structure available */
        //case WSAEL2HLT                51      /* Level 2 halted */
        //case WSAEBADE                 52      /* Invalid exchange */
        //case WSAEBADR                 53      /* Invalid request descriptor */
        //case WSAEXFULL                54      /* Exchange full */
        //case WSAENOANO                55      /* No anode */
        //case WSAEBADRQC               56      /* Invalid request code */
        //case WSAEBADSLT               57      /* Invalid slot */
        //case 58:
        //case WSAEBFONT                59      /* Bad font file format */
        //case WSAENOSTR                60      /* Device not a stream */
#ifdef WSAENODATA
        case WSAENODATA:           return  VERR_NO_DATA;
#endif
        //case WSAETIME                 62      /* Timer expired */
        //case WSAENOSR                 63      /* Out of streams resources */
#ifdef WSAENONET
        case WSAENONET:            return VERR_NET_NO_NETWORK;
#endif
        //case WSAENOPKG                65      /* Package not installed */
         //case WSAEREMOTE              66      /* Object is remote */
        //case WSAENOLINK               67      /* Link has been severed */
        //case WSAEADV                  68      /* Advertise error */
        //case WSAESRMNT                69      /* Srmount error */
        //case WSAECOMM                 70      /* Communication error on send */
        //case WSAEPROTO                71      /* Protocol error */
        //case WSAEMULTIHOP             72      /* Multihop attempted */
        //case WSAEDOTDOT               73      /* RFS specific error */
        //case WSAEBADMSG               74      /* Not a data message */
#ifdef WSAEOVERFLOW
        case WSAEOVERFLOW:         return VERR_TOO_MUCH_DATA;
#endif
#ifdef WSAENOTUNIQ
        case WSAENOTUNIQ:          return VERR_NET_NOT_UNIQUE_NAME;
#endif
#ifdef WSAEBADFD
        case WSAEBADFD:            return VERR_INVALID_HANDLE;
#endif
        //case WSAEREMCHG               78      /* Remote address changed */
        //case WSAELIBACC               79      /* Can not access a needed shared library */
        //case WSAELIBBAD               80      /* Accessing a corrupted shared library */
        //case WSAELIBSCN               81      /* .lib section in a.out corrupted */
        //case WSAELIBMAX               82      /* Attempting to link in too many shared libraries */
        //case WSAELIBEXEC              83      /* Cannot exec a shared library directly */
#ifdef WSAEILSEQ
        case WSAEILSEQ:            return VERR_NO_TRANSLATION;
#endif
#ifdef WSAERESTART
        case WSAERESTART:          return VERR_INTERRUPTED;
#endif
        //case WSAESTRPIPE              86      /* Streams pipe error */
        //case WSAEUSERS                87      /* Too many users */
        case WSAENOTSOCK:          return VERR_NET_NOT_SOCKET;
        case WSAEDESTADDRREQ:      return VERR_NET_DEST_ADDRESS_REQUIRED;
        case WSAEMSGSIZE:          return VERR_NET_MSG_SIZE;
        case WSAEPROTOTYPE:        return VERR_NET_PROTOCOL_TYPE;
        case WSAENOPROTOOPT:       return VERR_NET_PROTOCOL_NOT_AVAILABLE;
        case WSAEPROTONOSUPPORT:   return VERR_NET_PROTOCOL_NOT_SUPPORTED;
        case WSAESOCKTNOSUPPORT:   return VERR_NET_SOCKET_TYPE_NOT_SUPPORTED;
        case WSAEOPNOTSUPP:        return VERR_NET_OPERATION_NOT_SUPPORTED;
        case WSAEPFNOSUPPORT:      return VERR_NET_PROTOCOL_FAMILY_NOT_SUPPORTED;
        case WSAEAFNOSUPPORT:      return VERR_NET_ADDRESS_FAMILY_NOT_SUPPORTED;
        case WSAEADDRINUSE:        return VERR_NET_ADDRESS_IN_USE;
        case WSAEADDRNOTAVAIL:     return VERR_NET_ADDRESS_NOT_AVAILABLE;
        case WSAENETDOWN:          return VERR_NET_DOWN;
        case WSAENETUNREACH:       return VERR_NET_UNREACHABLE;
        case WSAENETRESET:         return VERR_NET_CONNECTION_RESET;
        case WSAECONNABORTED:      return VERR_NET_CONNECTION_ABORTED;
        case WSAECONNRESET:        return VERR_NET_CONNECTION_RESET_BY_PEER;
        case WSAENOBUFS:           return VERR_NET_NO_BUFFER_SPACE;
        case WSAEISCONN:           return VERR_NET_ALREADY_CONNECTED;
        case WSAENOTCONN:          return VERR_NET_NOT_CONNECTED;
        case WSAESHUTDOWN:         return VERR_NET_SHUTDOWN;
        case WSAETOOMANYREFS:      return VERR_NET_TOO_MANY_REFERENCES;
        case WSAETIMEDOUT:         return VERR_TIMEOUT;
        case WSAECONNREFUSED:      return VERR_NET_CONNECTION_REFUSED;
        case WSAEHOSTDOWN:         return VERR_NET_HOST_DOWN;
        case WSAEHOSTUNREACH:      return VERR_NET_HOST_UNREACHABLE;
        case WSAEALREADY:          return VERR_NET_ALREADY_IN_PROGRESS;
        case WSAEINPROGRESS:       return VERR_NET_IN_PROGRESS;
        //case WSAESTALE                116     /* Stale NFS file handle */
        //case WSAEUCLEAN               117     /* Structure needs cleaning */
        //case WSAENOTNAM               118     /* Not a XENIX named type file */
        //case WSAENAVAIL               119     /* No XENIX semaphores available */
        //case WSAEISNAM                120     /* Is a named type file */
        //case WSAEREMOTEIO             121     /* Remote I/O error */
        case WSAEDQUOT:            return VERR_DISK_FULL;
#ifdef WSAENOMEDIUM
        case WSAENOMEDIUM:         return VERR_MEDIA_NOT_PRESENT;
#endif
#ifdef WSAEMEDIUMTYPE
        case WSAEMEDIUMTYPE:       return VERR_MEDIA_NOT_RECOGNIZED;
#endif
        case WSAEPROCLIM:          return VERR_MAX_PROCS_REACHED;

        //case WSAEDISCON:      (WSABASEERR+101)
        //case WSASYSNOTREADY          (WSABASEERR+91)
        //case WSAVERNOTSUPPORTED      (WSABASEERR+92)
        //case WSANOTINITIALISED       (WSABASEERR+93)

#ifdef WSAHOST_NOT_FOUND
        case WSAHOST_NOT_FOUND:     return VERR_NET_HOST_NOT_FOUND;
#endif
#ifdef WSATRY_AGAIN
        case WSATRY_AGAIN:          return VERR_TRY_AGAIN;
#endif
#ifndef WSANO_RECOVERY
        case WSANO_RECOVERY:        return VERR_IO_GEN_FAILURE;
#endif
#ifdef WSANO_DATA
        case WSANO_DATA:            return VERR_NET_ADDRESS_NOT_AVAILABLE;
#endif


#ifndef ERROR_NOT_A_REPARSE_POINT
# define ERROR_NOT_A_REPARSE_POINT 0x1126
#endif
        case ERROR_NOT_A_REPARSE_POINT: return VERR_NOT_SYMLINK;

    }

    /* unknown error. */
#ifndef DEBUG_dmik
    AssertMsgFailed(("Unhandled error %u\n", uNativeCode));
#endif
    return VERR_UNRESOLVED_ERROR;
}
Ejemplo n.º 24
0
/**
 * Allocates memory in the Hypervisor (RC VMM) area.
 * The returned memory is of course zeroed.
 *
 * @returns VBox status code.
 * @param   pVM         The VM to operate on.
 * @param   cb          Number of bytes to allocate.
 * @param   uAlignment  Required memory alignment in bytes.
 *                      Values are 0,8,16,32,64 and PAGE_SIZE.
 *                      0 -> default alignment, i.e. 8 bytes.
 * @param   enmTag      The statistics tag.
 * @param   ppv         Where to store the address to the allocated
 *                      memory.
 */
static int mmHyperAllocInternal(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
{
    AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));

    /*
     * Validate input and adjust it to reasonable values.
     */
    if (!uAlignment || uAlignment < MMHYPER_HEAP_ALIGN_MIN)
        uAlignment = MMHYPER_HEAP_ALIGN_MIN;
    uint32_t cbAligned;
    switch (uAlignment)
    {
        case 8:
        case 16:
        case 32:
        case 64:
            cbAligned = RT_ALIGN_32(cb, MMHYPER_HEAP_ALIGN_MIN);
            if (!cbAligned || cbAligned < cb)
            {
                Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VERR_INVALID_PARAMETER\n", cb, uAlignment));
                AssertMsgFailed(("Nice try.\n"));
                return VERR_INVALID_PARAMETER;
            }
            break;

        case PAGE_SIZE:
            AssertMsg(RT_ALIGN_32(cb, PAGE_SIZE) == cb, ("The size isn't page aligned. (cb=%#x)\n", cb));
            cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
            if (!cbAligned)
            {
                Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VERR_INVALID_PARAMETER\n", cb, uAlignment));
                AssertMsgFailed(("Nice try.\n"));
                return VERR_INVALID_PARAMETER;
            }
            break;

        default:
            Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VERR_INVALID_PARAMETER\n", cb, uAlignment));
            AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
            return VERR_INVALID_PARAMETER;
    }


    /*
     * Get heap and statisticsStatistics.
     */
    PMMHYPERHEAP pHeap = pVM->mm.s.CTX_SUFF(pHyperHeap);
#ifdef VBOX_WITH_STATISTICS
    PMMHYPERSTAT pStat = mmHyperStat(pHeap, enmTag);
    if (!pStat)
    {
        Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VERR_MM_HYPER_NO_MEMORY\n", cb, uAlignment));
        AssertMsgFailed(("Failed to allocate statistics!\n"));
        return VERR_MM_HYPER_NO_MEMORY;
    }
#endif
    if (uAlignment < PAGE_SIZE)
    {
        /*
         * Allocate a chunk.
         */
        PMMHYPERCHUNK pChunk = mmHyperAllocChunk(pHeap, cbAligned, uAlignment);
        if (pChunk)
        {
#ifdef VBOX_WITH_STATISTICS
            const uint32_t cbChunk = pChunk->offNext
                ? pChunk->offNext
                : pHeap->CTX_SUFF(pbHeap) + pHeap->offPageAligned - (uint8_t *)pChunk;
            pStat->cbAllocated += (uint32_t)cbChunk;
            pStat->cbCurAllocated += (uint32_t)cbChunk;
            if (pStat->cbCurAllocated > pStat->cbMaxAllocated)
                pStat->cbMaxAllocated = pStat->cbCurAllocated;
            pStat->cAllocations++;
            pChunk->offStat = (uintptr_t)pStat - (uintptr_t)pChunk;
#else
            pChunk->offStat = 0;
#endif
            void *pv = pChunk + 1;
            *ppv = pv;
            ASMMemZero32(pv, cbAligned);
            Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n", cb, uAlignment, pv));
            return VINF_SUCCESS;
        }
    }
    else
    {
        /*
         * Allocate page aligned memory.
         */
        void *pv = mmHyperAllocPages(pHeap, cbAligned);
        if (pv)
        {
#ifdef VBOX_WITH_STATISTICS
            pStat->cbAllocated += cbAligned;
            pStat->cbCurAllocated += cbAligned;
            if (pStat->cbCurAllocated > pStat->cbMaxAllocated)
                pStat->cbMaxAllocated = pStat->cbCurAllocated;
            pStat->cAllocations++;
#endif
            *ppv = pv;
            /* ASMMemZero32(pv, cbAligned); - not required since memory is alloc-only and SUPR3PageAlloc zeros it. */
            Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n", cb, uAlignment, ppv));
            return VINF_SUCCESS;
        }
    }

#ifdef VBOX_WITH_STATISTICS
    pStat->cAllocations++;
    pStat->cFailures++;
#endif
    Log2(("MMHyperAlloc: cb=%#x uAlignment=%#x returns VERR_MM_HYPER_NO_MEMORY\n", cb, uAlignment));
    AssertMsgFailed(("Failed to allocate %d bytes!\n", cb));
    return VERR_MM_HYPER_NO_MEMORY;
}
Ejemplo n.º 25
0
/**
 * Runs all the filters on the specified device.
 *
 * All filters mean global and active VM, with the exception of those
 * belonging to \a aMachine. If a global ignore filter matched or if
 * none of the filters matched, the device will be released back to
 * the host.
 *
 * The device calling us here will be in the HeldByProxy, Unused, or
 * Capturable state. The caller is aware that locks held might have
 * to be abandond because of IPC and that the device might be in
 * almost any state upon return.
 *
 *
 * @returns COM status code (only parameter & state checks will fail).
 * @param   aDevice         The USB device to apply filters to.
 * @param   aIgnoreMachine  The machine to ignore filters from (we've just
 *                          detached the device from this machine).
 *
 * @note    The caller is expected to own no locks.
 */
HRESULT USBProxyService::runAllFiltersOnDevice(ComObjPtr<HostUSBDevice> &aDevice,
                                               SessionMachinesList &llOpenedMachines,
                                               SessionMachine *aIgnoreMachine)
{
    LogFlowThisFunc(("{%s} ignoring=%p\n", aDevice->getName().c_str(), aIgnoreMachine));

    /*
     * Verify preconditions.
     */
    AssertReturn(!isWriteLockOnCurrentThread(), E_FAIL);
    AssertReturn(!aDevice->isWriteLockOnCurrentThread(), E_FAIL);
    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
    AutoWriteLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
    AssertMsgReturn(aDevice->isCapturableOrHeld(), ("{%s} %s\n", aDevice->getName().c_str(), aDevice->getStateName()), E_FAIL);

    /*
     * Get the lists we'll iterate.
     */
    Host::USBDeviceFilterList globalFilters;

    mHost->getUSBFilters(&globalFilters);

    /*
     * Run global filters filters first.
     */
    bool fHoldIt = false;
    for (Host::USBDeviceFilterList::const_iterator it = globalFilters.begin();
         it != globalFilters.end();
         ++it)
    {
        AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
        const HostUSBDeviceFilter::Data &data = (*it)->getData();
        if (aDevice->isMatch(data))
        {
            USBDeviceFilterAction_T action = USBDeviceFilterAction_Null;
            (*it)->COMGETTER(Action)(&action);
            if (action == USBDeviceFilterAction_Ignore)
            {
                /*
                 * Release the device to the host and we're done.
                 */
                filterLock.release();
                devLock.release();
                alock.release();
                aDevice->requestReleaseToHost();
                return S_OK;
            }
            if (action == USBDeviceFilterAction_Hold)
            {
                /*
                 * A device held by the proxy needs to be subjected
                 * to the machine filters.
                 */
                fHoldIt = true;
                break;
            }
            AssertMsgFailed(("action=%d\n", action));
        }
    }
    globalFilters.clear();

    /*
     * Run the per-machine filters.
     */
    for (SessionMachinesList::const_iterator it = llOpenedMachines.begin();
         it != llOpenedMachines.end();
         ++it)
    {
        ComObjPtr<SessionMachine> pMachine = *it;

        /* Skip the machine the device was just detached from. */
        if (    aIgnoreMachine
            &&  pMachine == aIgnoreMachine)
            continue;

        /* runMachineFilters takes care of checking the machine state. */
        devLock.release();
        alock.release();
        if (runMachineFilters(pMachine, aDevice))
        {
            LogFlowThisFunc(("{%s} attached to %p\n", aDevice->getName().c_str(), (void *)pMachine));
            return S_OK;
        }
        alock.acquire();
        devLock.acquire();
    }

    /*
     * No matching machine, so request hold or release depending
     * on global filter match.
     */
    devLock.release();
    alock.release();
    if (fHoldIt)
        aDevice->requestHold();
    else
        aDevice->requestReleaseToHost();
    return S_OK;
}
Ejemplo n.º 26
0
/**
 * Free memory a memory chunk.
 *
 * @returns VBox status code.
 * @param   pHeap       The heap.
 * @param   pChunk      The memory chunk to free.
 */
static int mmHyperFree(PMMHYPERHEAP pHeap, PMMHYPERCHUNK pChunk)
{
    Log3(("mmHyperFree: Enter pHeap=%p pChunk=%p\n", pHeap, pChunk));
    PMMHYPERCHUNKFREE   pFree = (PMMHYPERCHUNKFREE)pChunk;

    /*
     * Insert into the free list (which is sorted on address).
     *
     * We'll search towards the end of the heap to locate the
     * closest FREE chunk.
     */
    PMMHYPERCHUNKFREE   pLeft = NULL;
    PMMHYPERCHUNKFREE   pRight = NULL;
    if (pHeap->offFreeTail != NIL_OFFSET)
    {
        if (pFree->core.offNext)
        {
            pRight = (PMMHYPERCHUNKFREE)((char *)pFree + pFree->core.offNext);
            ASSERT_CHUNK(pHeap, &pRight->core);
            while (!MMHYPERCHUNK_ISFREE(&pRight->core))
            {
                if (!pRight->core.offNext)
                {
                    pRight = NULL;
                    break;
                }
                pRight = (PMMHYPERCHUNKFREE)((char *)pRight + pRight->core.offNext);
                ASSERT_CHUNK(pHeap, &pRight->core);
            }
        }
        if (!pRight)
            pRight = (PMMHYPERCHUNKFREE)((char *)pHeap->CTX_SUFF(pbHeap) + pHeap->offFreeTail); /** @todo this can't be correct! 'pLeft = .. ; else' I think */
        if (pRight)
        {
            ASSERT_CHUNK_FREE(pHeap, pRight);
            if (pRight->offPrev)
            {
                pLeft = (PMMHYPERCHUNKFREE)((char *)pRight + pRight->offPrev);
                ASSERT_CHUNK_FREE(pHeap, pLeft);
            }
        }
    }
    if (pLeft == pFree)
    {
        AssertMsgFailed(("Freed twice! pv=%p (pChunk=%p)\n", pChunk + 1, pChunk));
        return VERR_INVALID_POINTER;
    }
    pChunk->offStat = 0;

    /*
     * Head free chunk list?
     */
    if (!pLeft)
    {
        MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
        pFree->offPrev = 0;
        pHeap->offFreeHead = (uintptr_t)pFree - (uintptr_t)pHeap->CTX_SUFF(pbHeap);
        if (pRight)
        {
            pFree->offNext = (uintptr_t)pRight - (uintptr_t)pFree;
            pRight->offPrev = -(int32_t)pFree->offNext;
        }
        else
        {
            pFree->offNext = 0;
            pHeap->offFreeTail = pHeap->offFreeHead;
        }
        Log3(("mmHyperFree: Inserted %p at head of free chain.\n", pFree));
    }
    else
    {
        /*
         * Can we merge with left hand free chunk?
         */
        if ((char *)pLeft + pLeft->core.offNext == (char *)pFree)
        {
            if (pFree->core.offNext)
            {
                pLeft->core.offNext = pLeft->core.offNext + pFree->core.offNext;
                MMHYPERCHUNK_SET_OFFPREV(((PMMHYPERCHUNK)((char *)pLeft + pLeft->core.offNext)), -(int32_t)pLeft->core.offNext);
            }
            else
                pLeft->core.offNext = 0;
            pFree = pLeft;
            Log3(("mmHyperFree: cbFree %d -> %d (%d)\n", pHeap->cbFree, pHeap->cbFree - pLeft->cb, -(int32_t)pLeft->cb));
            pHeap->cbFree -= pLeft->cb;
            Log3(("mmHyperFree: Merging %p into %p (cb=%d).\n", pFree, pLeft, pLeft->cb));
        }
        /*
         * No, just link it into the free list then.
         */
        else
        {
            MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
            pFree->offPrev = (uintptr_t)pLeft - (uintptr_t)pFree;
            pLeft->offNext = -pFree->offPrev;
            if (pRight)
            {
                pFree->offNext = (uintptr_t)pRight - (uintptr_t)pFree;
                pRight->offPrev = -(int32_t)pFree->offNext;
            }
            else
            {
                pFree->offNext = 0;
                pHeap->offFreeTail = (uintptr_t)pFree - (uintptr_t)pHeap->CTX_SUFF(pbHeap);
            }
            Log3(("mmHyperFree: Inserted %p after %p in free list.\n", pFree, pLeft));
        }
    }

    /*
     * Can we merge with right hand free chunk?
     */
    if (pRight && (char *)pRight == (char *)pFree + pFree->core.offNext)
    {
        /* core */
        if (pRight->core.offNext)
        {
            pFree->core.offNext += pRight->core.offNext;
            PMMHYPERCHUNK pNext = (PMMHYPERCHUNK)((char *)pFree + pFree->core.offNext);
            MMHYPERCHUNK_SET_OFFPREV(pNext, -(int32_t)pFree->core.offNext);
            ASSERT_CHUNK(pHeap, pNext);
        }
        else
            pFree->core.offNext = 0;

        /* free */
        if (pRight->offNext)
        {
            pFree->offNext += pRight->offNext;
            ((PMMHYPERCHUNKFREE)((char *)pFree + pFree->offNext))->offPrev = -(int32_t)pFree->offNext;
        }
        else
        {
            pFree->offNext = 0;
            pHeap->offFreeTail = (uintptr_t)pFree - (uintptr_t)pHeap->CTX_SUFF(pbHeap);
        }
        Log3(("mmHyperFree: cbFree %d -> %d (%d)\n", pHeap->cbFree, pHeap->cbFree - pRight->cb, -(int32_t)pRight->cb));
        pHeap->cbFree -= pRight->cb;
        Log3(("mmHyperFree: Merged %p (cb=%d) into %p.\n", pRight, pRight->cb, pFree));
    }

    /* calculate the size. */
    if (pFree->core.offNext)
        pFree->cb = pFree->core.offNext - sizeof(MMHYPERCHUNK);
    else
        pFree->cb = pHeap->offPageAligned - ((uintptr_t)pFree - (uintptr_t)pHeap->CTX_SUFF(pbHeap)) - sizeof(MMHYPERCHUNK);
    Log3(("mmHyperFree: cbFree %d -> %d (%d)\n", pHeap->cbFree, pHeap->cbFree + pFree->cb, pFree->cb));
    pHeap->cbFree += pFree->cb;
    ASSERT_CHUNK_FREE(pHeap, pFree);

#ifdef MMHYPER_HEAP_STRICT
    mmHyperHeapCheck(pHeap);
#endif
    return VINF_SUCCESS;
}
/**
 * Internal worker for RTSemMutexRequestNoResume and it's debug companion.
 *
 * @returns Same as RTSEmMutexRequestNoResume
 * @param   hMutexSem            The mutex handle.
 * @param   cMillies            The number of milliseconds to wait.
 * @param   pSrcPos             The source position of the caller.
 */
DECL_FORCE_INLINE(int) rtSemMutexRequestNoResume(RTSEMMUTEX hMutexSem, RTMSINTERVAL cMillies, PCRTLOCKVALSRCPOS pSrcPos)
{
    /*
     * Validate.
     */
    RTSEMMUTEXINTERNAL *pThis = hMutexSem;
    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
    AssertReturn(pThis->u32Magic == RTSEMMUTEX_MAGIC, VERR_INVALID_HANDLE);

    /*
     * Check for recursive entry.
     */
    RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
    RTNATIVETHREAD hNativeOwner;
    ASMAtomicReadHandle(&pThis->hNativeOwner, &hNativeOwner);
    if (hNativeOwner == hNativeSelf)
    {
#ifdef RTSEMMUTEX_STRICT
        int rc9 = RTLockValidatorRecExclRecursion(&pThis->ValidatorRec, pSrcPos);
        if (RT_FAILURE(rc9))
            return rc9;
#endif
        ASMAtomicIncU32(&pThis->cRecursions);
        return VINF_SUCCESS;
    }

    /*
     * Lock mutex semaphore.
     */
    RTTHREAD        hThreadSelf = NIL_RTTHREAD;
    if (cMillies > 0)
    {
#ifdef RTSEMMUTEX_STRICT
        hThreadSelf = RTThreadSelfAutoAdopt();
        int rc9 = RTLockValidatorRecExclCheckOrderAndBlocking(&pThis->ValidatorRec, hThreadSelf, pSrcPos, true,
                                                              cMillies, RTTHREADSTATE_MUTEX, true);
        if (RT_FAILURE(rc9))
            return rc9;
#else
        hThreadSelf = RTThreadSelf();
        RTThreadBlocking(hThreadSelf, RTTHREADSTATE_MUTEX, true);
#endif
    }
    DWORD rc = WaitForSingleObjectEx(pThis->hMtx,
                                     cMillies == RT_INDEFINITE_WAIT ? INFINITE : cMillies,
                                     TRUE /*fAlertable*/);
    RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_MUTEX);
    switch (rc)
    {
        case WAIT_OBJECT_0:
#ifdef RTSEMMUTEX_STRICT
            RTLockValidatorRecExclSetOwner(&pThis->ValidatorRec, hThreadSelf, pSrcPos, true);
#endif
            ASMAtomicWriteHandle(&pThis->hNativeOwner, hNativeSelf);
            ASMAtomicWriteU32(&pThis->cRecursions, 1);
            return VINF_SUCCESS;

        case WAIT_TIMEOUT:          return VERR_TIMEOUT;
        case WAIT_IO_COMPLETION:    return VERR_INTERRUPTED;
        case WAIT_ABANDONED:        return VERR_SEM_OWNER_DIED;
        default:
            AssertMsgFailed(("%u\n",  rc));
        case WAIT_FAILED:
        {
            int rc2 = RTErrConvertFromWin32(GetLastError());
            AssertMsgFailed(("Wait on hMutexSem %p failed, rc=%d lasterr=%d\n", hMutexSem, rc, GetLastError()));
            if (rc2 != VINF_SUCCESS)
                return rc2;

            AssertMsgFailed(("WaitForSingleObject(event) -> rc=%d while converted lasterr=%d\n", rc, rc2));
            return VERR_INTERNAL_ERROR;
        }
    }
}
Ejemplo n.º 28
0
/**
 * 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;
    }
}
/* QString <= StorageSlot: */
template<> QString toString(const StorageSlot &storageSlot)
{
    QString strResult;
    switch (storageSlot.bus)
    {
        case KStorageBus_IDE:
        {
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(storageSlot.bus);
            int iMaxDevice = vboxGlobal().virtualBox().GetSystemProperties().GetMaxDevicesPerPortForStorageBus(storageSlot.bus);
            if (storageSlot.port < 0 || storageSlot.port > iMaxPort)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d", storageSlot.bus, storageSlot.port));
                break;
            }
            if (storageSlot.device < 0 || storageSlot.device > iMaxDevice)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
                break;
            }
            if (storageSlot.port == 0 && storageSlot.device == 0)
                strResult = QApplication::translate("VBoxGlobal", "IDE Primary Master", "StorageSlot");
            else if (storageSlot.port == 0 && storageSlot.device == 1)
                strResult = QApplication::translate("VBoxGlobal", "IDE Primary Slave", "StorageSlot");
            else if (storageSlot.port == 1 && storageSlot.device == 0)
                strResult = QApplication::translate("VBoxGlobal", "IDE Secondary Master", "StorageSlot");
            else if (storageSlot.port == 1 && storageSlot.device == 1)
                strResult = QApplication::translate("VBoxGlobal", "IDE Secondary Slave", "StorageSlot");
            break;
        }
        case KStorageBus_SATA:
        {
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(storageSlot.bus);
            if (storageSlot.port < 0 || storageSlot.port > iMaxPort)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d", storageSlot.bus, storageSlot.port));
                break;
            }
            if (storageSlot.device != 0)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
                break;
            }
            strResult = QApplication::translate("VBoxGlobal", "SATA Port %1", "StorageSlot").arg(storageSlot.port);
            break;
        }
        case KStorageBus_SCSI:
        {
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(storageSlot.bus);
            if (storageSlot.port < 0 || storageSlot.port > iMaxPort)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d", storageSlot.bus, storageSlot.port));
                break;
            }
            if (storageSlot.device != 0)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
                break;
            }
            strResult = QApplication::translate("VBoxGlobal", "SCSI Port %1", "StorageSlot").arg(storageSlot.port);
            break;
        }
        case KStorageBus_SAS:
        {
            int iMaxPort = vboxGlobal().virtualBox().GetSystemProperties().GetMaxPortCountForStorageBus(storageSlot.bus);
            if (storageSlot.port < 0 || storageSlot.port > iMaxPort)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d", storageSlot.bus, storageSlot.port));
                break;
            }
            if (storageSlot.device != 0)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
                break;
            }
            strResult = QApplication::translate("VBoxGlobal", "SAS Port %1", "StorageSlot").arg(storageSlot.port);
            break;
        }
        case KStorageBus_Floppy:
        {
            int iMaxDevice = vboxGlobal().virtualBox().GetSystemProperties().GetMaxDevicesPerPortForStorageBus(storageSlot.bus);
            if (storageSlot.port != 0)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d", storageSlot.bus, storageSlot.port));
                break;
            }
            if (storageSlot.device < 0 || storageSlot.device > iMaxDevice)
            {
                AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
                break;
            }
            strResult = QApplication::translate("VBoxGlobal", "Floppy Device %1", "StorageSlot").arg(storageSlot.device);
            break;
        }
        default:
        {
            AssertMsgFailed(("No text for bus=%d & port=%d & device=%d", storageSlot.bus, storageSlot.port, storageSlot.device));
            break;
        }
    }
    return strResult;
}
Ejemplo n.º 30
0
DECL_FORCE_INLINE(int) rtSemRWRequestWrite(RTSEMRW hRWSem, RTMSINTERVAL cMillies, PCRTLOCKVALSRCPOS pSrcPos)
{
    /*
     * Validate input.
     */
    struct RTSEMRWINTERNAL *pThis = hRWSem;
    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
    AssertMsgReturn(pThis->u32Magic == RTSEMRW_MAGIC,
                    ("pThis=%p u32Magic=%#x\n", pThis, pThis->u32Magic),
                    VERR_INVALID_HANDLE);

    /*
     * Recursion?
     */
    pthread_t Self = pthread_self();
    pthread_t Writer;
    ATOMIC_GET_PTHREAD_T(&pThis->Writer, &Writer);
    if (Writer == Self)
    {
#ifdef RTSEMRW_STRICT
        int rc9 = RTLockValidatorRecExclRecursion(&pThis->ValidatorWrite, pSrcPos);
        if (RT_FAILURE(rc9))
            return rc9;
#endif
        Assert(pThis->cWrites < INT32_MAX);
        pThis->cWrites++;
        return VINF_SUCCESS;
    }

    /*
     * Try lock it.
     */
    RTTHREAD hThreadSelf = NIL_RTTHREAD;
    if (cMillies)
    {
#ifdef RTSEMRW_STRICT
        hThreadSelf = RTThreadSelfAutoAdopt();
        int rc9 = RTLockValidatorRecExclCheckOrderAndBlocking(&pThis->ValidatorWrite, hThreadSelf, pSrcPos, true,
                                                              cMillies, RTTHREADSTATE_RW_WRITE, true);
        if (RT_FAILURE(rc9))
            return rc9;
#else
        hThreadSelf = RTThreadSelf();
        RTThreadBlocking(hThreadSelf, RTTHREADSTATE_RW_WRITE, true);
#endif
    }

    if (cMillies == RT_INDEFINITE_WAIT)
    {
        /* take rwlock */
        int rc = pthread_rwlock_wrlock(&pThis->RWLock);
        RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_RW_WRITE);
        if (rc)
        {
            AssertMsgFailed(("Failed write lock read-write sem %p, rc=%d.\n", hRWSem, rc));
            return RTErrConvertFromErrno(rc);
        }
    }
    else
    {
#ifdef RT_OS_DARWIN
        AssertMsgFailed(("Not implemented on Darwin yet because of incomplete pthreads API."));
        return VERR_NOT_IMPLEMENTED;
#else /* !RT_OS_DARWIN */
        /*
         * Get current time and calc end of wait time.
         */
        struct timespec     ts = {0,0};
        clock_gettime(CLOCK_REALTIME, &ts);
        if (cMillies != 0)
        {
            ts.tv_nsec += (cMillies % 1000) * 1000000;
            ts.tv_sec  += cMillies / 1000;
            if (ts.tv_nsec >= 1000000000)
            {
                ts.tv_nsec -= 1000000000;
                ts.tv_sec++;
            }
        }

        /* take rwlock */
        int rc = pthread_rwlock_timedwrlock(&pThis->RWLock, &ts);
        RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_RW_WRITE);
        if (rc)
        {
            AssertMsg(rc == ETIMEDOUT, ("Failed read lock read-write sem %p, rc=%d.\n", hRWSem, rc));
            return RTErrConvertFromErrno(rc);
        }
#endif /* !RT_OS_DARWIN */
    }

    ATOMIC_SET_PTHREAD_T(&pThis->Writer, Self);
    pThis->cWrites = 1;
    Assert(!pThis->cReaders);
#ifdef RTSEMRW_STRICT
    RTLockValidatorRecExclSetOwner(&pThis->ValidatorWrite, hThreadSelf, pSrcPos, true);
#endif
    return VINF_SUCCESS;
}