immu_dvma_device_setup
(void) immu_dvma_device_setup(dip, 0);
(void) immu_dvma_device_setup(dip, IMMU_FLAGS_SLEEP);
(void) immu_dvma_device_setup(rdip, 0);
ret = immu_dvma_device_setup(dip, IMMU_FLAGS_NOSLEEP);
int immu_dvma_device_setup(dev_info_t *rdip, immu_flags_t immu_flags);