CN6XXX_SLI_IQ_DOORBELL
iq->doorbell_reg = oct->mmio[0].hw_addr + CN6XXX_SLI_IQ_DOORBELL(iq_no);
octeon_write_csr(oct, CN6XXX_SLI_IQ_DOORBELL(i), 0xFFFFFFFF);
d32 = octeon_read_csr(oct, CN6XXX_SLI_IQ_DOORBELL(i));
reg = CN6XXX_SLI_IQ_DOORBELL(i);