void MsiNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc)
{
AssertMsg(msiIsEnabled(pDev), ("Must be enabled to use that"));
uint32_t uMask = *msiGetMaskBits(pDev);
uint32_t* puPending = msiGetPendingBits(pDev);
LogFlow(("MsiNotify: %d pending=%x mask=%x\n", iVector, *puPending, uMask));
/* We only trigger MSI on level up */
if ((iLevel & PDM_IRQ_LEVEL_HIGH) == 0)
{
/* @todo: maybe clear pending interrupts on level down? */
#if 0
*puPending &= ~(1<<iVector);
LogFlow(("msi: clear pending %d, now %x\n", iVector, *puPending));
#endif
return;
}
if ((uMask & (1<<iVector)) != 0)
{
*puPending |= (1<<iVector);
LogFlow(("msi: %d is masked, mark pending, now %x\n", iVector, *puPending));
return;
}
RTGCPHYS GCAddr = msiGetMsiAddress(pDev);
uint32_t u32Value = msiGetMsiData(pDev, iVector);
*puPending &= ~(1<<iVector);
Assert(pPciHlp->pfnIoApicSendMsi != NULL);
pPciHlp->pfnIoApicSendMsi(pDevIns, GCAddr, u32Value, uTagSrc);
}
void MsixNotify(PPDMDEVINS pDevIns, PCPDMPCIHLP pPciHlp, PPCIDEVICE pDev, int iVector, int iLevel, uint32_t uTagSrc)
{
AssertMsg(msixIsEnabled(pDev), ("Must be enabled to use that"));
Assert(pPciHlp->pfnIoApicSendMsi != NULL);
/* We only trigger MSI-X on level up */
if ((iLevel & PDM_IRQ_LEVEL_HIGH) == 0)
{
return;
}
// if this vector is somehow disabled
if (msixIsMasked(pDev) || msixIsVectorMasked(pDev, iVector))
{
// mark pending bit
msixSetPending(pDev, iVector);
return;
}
// clear pending bit
msixClearPending(pDev, iVector);
RTGCPHYS GCAddr = msixGetMsiAddress(pDev, iVector);
uint32_t u32Value = msixGetMsiData(pDev, iVector);
pPciHlp->pfnIoApicSendMsi(pDevIns, GCAddr, u32Value, uTagSrc);
}