AAC_MAX_MSIX
if (msi_count > AAC_MAX_MSIX)
msi_count = AAC_MAX_MSIX;
for (i = 0; i < AAC_MAX_MSIX; ++i) {
struct resource *aac_irq[AAC_MAX_MSIX]; /* interrupt */
int aac_irq_rid[AAC_MAX_MSIX];
void *aac_intr[AAC_MAX_MSIX]; /* interrupt handle */
struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */
u_int32_t aac_host_rrq_idx[AAC_MAX_MSIX];
u_int32_t aac_rrq_outstanding[AAC_MAX_MSIX];