MPS_MSI_COUNT
((msgs = pci_msix_count(dev)) >= MPS_MSI_COUNT))
error = mps_alloc_msix(sc, MPS_MSI_COUNT);
struct resource *mps_irq[MPS_MSI_COUNT];
void *mps_intrhand[MPS_MSI_COUNT];
int mps_irq_rid[MPS_MSI_COUNT];
int mps_irq_type[MPS_MSI_COUNT];