diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c
index eef1de0..37403a2 100644
--- a/tools/libs/light/libxl_arm.c
+++ b/tools/libs/light/libxl_arm.c
@@ -8,6 +8,46 @@
 #include <assert.h>
 #include <xen/device_tree_defs.h>
 
+/*
+ * There is no clear requirements for the total size of Virtio MMIO region.
+ * The size of control registers is 0x100 and device-specific configuration
+ * registers starts at the offset 0x100, however it's size depends on the device
+ * and the driver. Pick the biggest known size at the moment to cover most
+ * of the devices (also consider allowing the user to configure the size via
+ * config file for the one not conforming with the proposed value).
+ */
+#define VIRTIO_MMIO_DEV_SIZE   xen_mk_ullong(0x200)
+
+static uint64_t alloc_virtio_mmio_base(libxl__gc *gc, uint64_t *virtio_mmio_base)
+{
+    uint64_t base = *virtio_mmio_base;
+
+    /* Make sure we have enough reserved resources */
+    if ((base + VIRTIO_MMIO_DEV_SIZE >
+        GUEST_VIRTIO_MMIO_BASE + GUEST_VIRTIO_MMIO_SIZE)) {
+        LOG(ERROR, "Ran out of reserved range for Virtio MMIO BASE 0x%"PRIx64"\n",
+            base);
+        return 0;
+    }
+    *virtio_mmio_base += VIRTIO_MMIO_DEV_SIZE;
+
+    return base;
+}
+
+static uint32_t alloc_virtio_mmio_irq(libxl__gc *gc, uint32_t *virtio_mmio_irq)
+{
+    uint32_t irq = *virtio_mmio_irq;
+
+    /* Make sure we have enough reserved resources */
+    if (irq > GUEST_VIRTIO_MMIO_SPI_LAST) {
+        LOG(ERROR, "Ran out of reserved range for Virtio MMIO IRQ %u\n", irq);
+        return 0;
+    }
+    (*virtio_mmio_irq)++;
+
+    return irq;
+}
+
 static const char *gicv_to_string(libxl_gic_version gic_version)
 {
     switch (gic_version) {
@@ -26,8 +66,10 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
 {
     uint32_t nr_spis = 0;
     unsigned int i;
-    uint32_t vuart_irq;
-    bool vuart_enabled = false;
+    uint32_t vuart_irq, virtio_irq = 0;
+    bool vuart_enabled = false, virtio_enabled = false;
+    uint64_t virtio_mmio_base = GUEST_VIRTIO_MMIO_BASE;
+    uint32_t virtio_mmio_irq = GUEST_VIRTIO_MMIO_SPI_FIRST;
 
     /*
      * If pl011 vuart is enabled then increment the nr_spis to allow allocation
@@ -39,6 +81,30 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
         vuart_enabled = true;
     }
 
+    for (i = 0; i < d_config->num_disks; i++) {
+        libxl_device_disk *disk = &d_config->disks[i];
+
+        if (disk->specification == LIBXL_DISK_SPECIFICATION_VIRTIO) {
+            disk->base = alloc_virtio_mmio_base(gc, &virtio_mmio_base);
+            if (!disk->base)
+                return ERROR_FAIL;
+
+            disk->irq = alloc_virtio_mmio_irq(gc, &virtio_mmio_irq);
+            if (!disk->irq)
+                return ERROR_FAIL;
+
+            if (virtio_irq < disk->irq)
+                virtio_irq = disk->irq;
+            virtio_enabled = true;
+
+            LOG(DEBUG, "Allocate Virtio MMIO params for Vdev %s: IRQ %u BASE 0x%"PRIx64,
+                disk->vdev, disk->irq, disk->base);
+        }
+    }
+
+    if (virtio_enabled)
+        nr_spis += (virtio_irq - 32) + 1;
+
     for (i = 0; i < d_config->b_info.num_irqs; i++) {
         uint32_t irq = d_config->b_info.irqs[i];
         uint32_t spi;
@@ -58,6 +124,13 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
             return ERROR_FAIL;
         }
 
+        /* The same check as for vpl011 */
+        if (virtio_enabled &&
+            (irq >= GUEST_VIRTIO_MMIO_SPI_FIRST && irq <= virtio_irq)) {
+            LOG(ERROR, "Physical IRQ %u conflicting with Virtio MMIO IRQ range\n", irq);
+            return ERROR_FAIL;
+        }
+
         if (irq < 32)
             continue;
 
@@ -787,6 +860,39 @@ static int make_vpci_node(libxl__gc *gc, void *fdt,
     return 0;
 }
 
+
+static int make_virtio_mmio_node(libxl__gc *gc, void *fdt,
+                                 uint64_t base, uint32_t irq)
+{
+    int res;
+    gic_interrupt intr;
+    /* Placeholder for virtio@ + a 64-bit number + \0 */
+    char buf[24];
+
+    snprintf(buf, sizeof(buf), "virtio@%"PRIx64, base);
+    res = fdt_begin_node(fdt, buf);
+    if (res) return res;
+
+    res = fdt_property_compat(gc, fdt, 1, "virtio,mmio");
+    if (res) return res;
+
+    res = fdt_property_regs(gc, fdt, GUEST_ROOT_ADDRESS_CELLS, GUEST_ROOT_SIZE_CELLS,
+                            1, base, VIRTIO_MMIO_DEV_SIZE);
+    if (res) return res;
+
+    set_interrupt(intr, irq, 0xf, DT_IRQ_TYPE_EDGE_RISING);
+    res = fdt_property_interrupts(gc, fdt, &intr, 1);
+    if (res) return res;
+
+    res = fdt_property(fdt, "dma-coherent", NULL, 0);
+    if (res) return res;
+
+    res = fdt_end_node(fdt);
+    if (res) return res;
+
+    return 0;
+}
+
 static const struct arch_info *get_arch_info(libxl__gc *gc,
                                              const struct xc_dom_image *dom)
 {
@@ -988,6 +1094,7 @@ static int libxl__prepare_dtb(libxl__gc *gc, libxl_domain_config *d_config,
     size_t fdt_size = 0;
     int pfdt_size = 0;
     libxl_domain_build_info *const info = &d_config->b_info;
+    unsigned int i;
 
     const libxl_version_info *vers;
     const struct arch_info *ainfo;
@@ -1094,6 +1201,13 @@ next_resize:
         if (d_config->num_pcidevs)
             FDT( make_vpci_node(gc, fdt, ainfo, dom) );
 
+        for (i = 0; i < d_config->num_disks; i++) {
+            libxl_device_disk *disk = &d_config->disks[i];
+
+            if (disk->specification == LIBXL_DISK_SPECIFICATION_VIRTIO)
+                FDT( make_virtio_mmio_node(gc, fdt, disk->base, disk->irq) );
+        }
+
         if (pfdt)
             FDT( copy_partial_fdt(gc, fdt, pfdt) );
 
diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index ab05fe1..c8b6058 100644
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -407,6 +407,10 @@ typedef uint64_t xen_callback_t;
 
 /* Physical Address Space */
 
+/* Virtio MMIO mappings */
+#define GUEST_VIRTIO_MMIO_BASE   xen_mk_ullong(0x02000000)
+#define GUEST_VIRTIO_MMIO_SIZE   xen_mk_ullong(0x00100000)
+
 /*
  * vGIC mappings: Only one set of mapping is used by the guest.
  * Therefore they can overlap.
@@ -493,6 +497,9 @@ typedef uint64_t xen_callback_t;
 
 #define GUEST_VPL011_SPI        32
 
+#define GUEST_VIRTIO_MMIO_SPI_FIRST   33
+#define GUEST_VIRTIO_MMIO_SPI_LAST    43
+
 /* PSCI functions */
 #define PSCI_cpu_suspend 0
 #define PSCI_cpu_off     1
