Exemplo n.º 1
0
/** @interface_method_impl{PDMDEVHLPRC,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmRCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));

    PVM         pVM     = pDevIns->Internal.s.pVMRC;
    PPCIDEVICE  pPciDev = pDevIns->Internal.s.pPciDeviceRC;
    PPDMPCIBUS  pPciBus = pDevIns->Internal.s.pPciBusRC;
    if (    pPciDev
        &&  pPciBus
        &&  pPciBus->pDevInsRC)
    {
        pdmLock(pVM);
        pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel);
        pdmUnlock(pVM);
    }
    else
    {
        /* queue for ring-3 execution. */
        PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
        if (pTask)
        {
            pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
            pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
            pTask->u.SetIRQ.iIrq = iIrq;
            pTask->u.SetIRQ.iLevel = iLevel;

            PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
        }
        else
            AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
    }

    LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
Exemplo n.º 2
0
/** @interface_method_impl{PDMDEVHLPR0,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmR0DevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
    PDMDEV_ASSERT_DEVINS(pDevIns);
    LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
    PVM          pVM     = pDevIns->Internal.s.pVMR0;
    PPCIDEVICE   pPciDev = pDevIns->Internal.s.pPciDeviceR0;
    PPDMPCIBUS   pPciBus = pDevIns->Internal.s.pPciBusR0;

    pdmLock(pVM);
    uint32_t uTagSrc;
    if (iLevel & PDM_IRQ_LEVEL_HIGH)
    {
        pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
        if (iLevel == PDM_IRQ_LEVEL_HIGH)
            VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
        else
            VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
        uTagSrc = pDevIns->Internal.s.uLastIrqTag;

    if (    pPciDev
        &&  pPciBus
        &&  pPciBus->pDevInsR0)
    {
        pPciBus->pfnSetIrqR0(pPciBus->pDevInsR0, pPciDev, iIrq, iLevel, uTagSrc);

        pdmUnlock(pVM);

        if (iLevel == PDM_IRQ_LEVEL_LOW)
            VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
    }
    else
    {
        pdmUnlock(pVM);

        /* queue for ring-3 execution. */
        PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueR0);
        AssertReturnVoid(pTask);

        pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
        pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
        pTask->u.SetIRQ.iIrq = iIrq;
        pTask->u.SetIRQ.iLevel = iLevel;
        pTask->u.SetIRQ.uTagSrc = uTagSrc;

        PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueR0, &pTask->Core, 0);
    }

    LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
}