Symbol: dev_dmmap
sys/sys/device.h
350
int64_t dev_dmmap(cdev_t dev, vm_offset_t offset, int nprot, struct file *fp);
sys/vm/device_pager.c
329
if (dev_dmmap(dev, off, (int)prot, NULL) == -1)
sys/vm/device_pager.c
359
paddr = pmap_phys_address(dev_dmmap(dev, offset, prot, NULL));