/* Width of DMA addresses in the IO TLB. 31 bits is an aacraid limitation. */
#define IO_TLB_DMA_BITS 31
-static int swiotlb_force;
+int swiotlb_force;
static char *iotlb_virt_start;
static unsigned long iotlb_nslabs;
swiotlb = 1;
} else if ((swiotlb_force != -1) &&
is_running_on_xen() &&
- (xen_start_info->flags & SIF_INITDOMAIN)) {
+ is_initial_xendomain()) {
/* Domain 0 always has a swiotlb. */
ram_end = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
if (ram_end <= 0x7ffff)