PMCS_MAX_MSIX
max = PMCS_MAX_MSIX;
pmcs_setup_intr_impl(pwp, DDI_INTR_TYPE_MSIX, PMCS_MAX_MSIX);
#define PMCS_MAX_MSI PMCS_MAX_MSIX
#define PMCS_MSIX_FATAL (PMCS_MAX_MSIX-1) /* Fatal Int vector */