diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt
index 28dcf90..6b5cf42 100644
--- a/docs/specs/pci-ids.txt
+++ b/docs/specs/pci-ids.txt
@@ -29,4 +29,6 @@ maintained as part of the virtio specification.
 1af4:1100  Used as PCI Subsystem ID for existing hardware devices emulated
            by qemu.
 
+1af4:1110  ivshmem device (shared memory, docs/specs/ivshmem_device_spec.txt)
+
 All other device IDs are reserved.
diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index f6dbb21..8adeb2c 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -800,7 +800,7 @@ static void ivshmem_class_init(ObjectClass *klass, void *data)
     k->init = pci_ivshmem_init;
     k->exit = pci_ivshmem_uninit;
     k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
-    k->device_id = 0x1110;
+    k->device_id = PCI_DEVICE_ID_QUMRANET_IVSHMEM;
     k->class_id = PCI_CLASS_MEMORY_RAM;
     dc->reset = ivshmem_reset;
     dc->props = ivshmem_properties;
diff --git a/hw/pci.h b/hw/pci.h
index 0719521..3704d5f 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -78,6 +78,7 @@
 #define PCI_DEVICE_ID_VIRTIO_SCSI        0x1004
 #define PCI_DEVICE_ID_VIRTIO_RNG         0x1005
 #define PCI_DEVICE_ID_VIRTIO_9P          0x1009
+#define PCI_DEVICE_ID_QUMRANET_IVSHMEM   0x1110
 
 #define FMT_PCIBUS                      PRIx64