/**
* Interrupt service routine.
*
* @returns Whether the interrupt was from VMMDev.
* @param pvState Opaque pointer to the device state.
*/
static int vgdrvFreeBSDISR(void *pvState)
{
LogFlow(("vgdrvFreeBSDISR: pvState=%p\n", pvState));
bool fOurIRQ = VGDrvCommonISR(&g_DevExt);
return fOurIRQ ? 0 : 1;
}
/**
* Callback triggered when interrupt occurs.
*/
static bool vgdrvDarwinDirectIrqHandler(OSObject *pOwner, IOFilterInterruptEventSource *pSrc)
{
if (!pSrc)
return false;
bool fTaken = VGDrvCommonISR(&g_DevExt);
if (!fTaken) /** @todo r=bird: This looks bogus as we might actually be sharing interrupts with someone. */
Log(("VGDrvCommonISR error\n"));
return fTaken;
}
/**
* Interrupt Service Routine for VMMDev.
*
* @param Arg Private data (unused, will be NULL).
* @returns DDI_INTR_CLAIMED if it's our interrupt, DDI_INTR_UNCLAIMED if it isn't.
*/
static uint_t vgdrvSolarisISR(caddr_t Arg)
{
LogFlow(("vgdrvSolarisISR:\n"));
/* The mutex is required to protect against parallel executions (if possible?) and also the
mouse notify registeration race between VGDrvNativeSetMouseNotifyCallback() and VGDrvCommonISR(). */
mutex_enter(&g_IrqMtx);
bool fOurIRQ = VGDrvCommonISR(&g_DevExt);
mutex_exit(&g_IrqMtx);
return fOurIRQ ? DDI_INTR_CLAIMED : DDI_INTR_UNCLAIMED;
}
static irqreturn_t vgdrvLinuxISR(int iIrq, void *pvDevId, struct pt_regs *pRegs)
#endif
{
bool fTaken = VGDrvCommonISR(&g_DevExt);
return IRQ_RETVAL(fTaken);
}