/**
* Update IRQ status of the device.
*
* @returns nothing.
* @param pThis The OXPCIe958 device instance.
*/
static void ox958IrqUpdate(PDEVOX958 pThis)
{
uint32_t u32IrqSts = ASMAtomicReadU32(&pThis->u32RegIrqStsGlob);
uint32_t u32IrqEn = ASMAtomicReadU32(&pThis->u32RegIrqEnGlob);
if (u32IrqSts & u32IrqEn)
PDMDevHlpPCISetIrq(pThis->CTX_SUFF(pDevIns), 0, PDM_IRQ_LEVEL_HIGH);
else
PDMDevHlpPCISetIrq(pThis->CTX_SUFF(pDevIns), 0, PDM_IRQ_LEVEL_LOW);
}
/**
* Raise interrupt.
*
* @param pState The device state structure.
* @param rcBusy Status code to return when the critical section is busy.
* @param u8IntCause Interrupt cause bit mask to set in PCI ISR port.
*/
int vpciRaiseInterrupt(VPCISTATE *pState, int rcBusy, uint8_t u8IntCause)
{
// int rc = vpciCsEnter(pState, rcBusy);
// if (RT_UNLIKELY(rc != VINF_SUCCESS))
// return rc;
STAM_COUNTER_INC(&pState->StatIntsRaised);
LogFlow(("%s vpciRaiseInterrupt: u8IntCause=%x\n",
INSTANCE(pState), u8IntCause));
pState->uISR |= u8IntCause;
PDMDevHlpPCISetIrq(pState->CTX_SUFF(pDevIns), 0, 1);
// vpciCsLeave(pState);
return VINF_SUCCESS;
}
/**
* Lower interrupt.
*
* @param pState The device state structure.
*/
PDMBOTHCBDECL(void) vpciLowerInterrupt(VPCISTATE *pState)
{
LogFlow(("%s vpciLowerInterrupt\n", INSTANCE(pState)));
PDMDevHlpPCISetIrq(pState->CTX_SUFF(pDevIns), 0, 0);
}
