ARCMSR_NUM_MSIX_VECTORS
acb->msix_vectors = ARCMSR_NUM_MSIX_VECTORS;
struct resource *irqres[ARCMSR_NUM_MSIX_VECTORS];
void *ih[ARCMSR_NUM_MSIX_VECTORS]; /* interrupt handle */
int irq_id[ARCMSR_NUM_MSIX_VECTORS];