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-rw-r--r--src/vlib/pci/pci_config.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vlib/pci/pci_config.h b/src/vlib/pci/pci_config.h
index 92e56af6d57..df82e1ab444 100644
--- a/src/vlib/pci/pci_config.h
+++ b/src/vlib/pci/pci_config.h
@@ -162,6 +162,13 @@ pci_device_class_base (pci_device_class_t c)
}
/*
+ * 0x1000 is the legacy device-id value
+ * 0x1041 is (0x1040 + 1), 1 being the Virtio Device ID
+ */
+#define VIRTIO_PCI_LEGACY_DEVICEID_NET 0x1000
+#define VIRTIO_PCI_MODERN_DEVICEID_NET 0x1041
+
+/*
* Under PCI, each device has 256 bytes of configuration address space,
* of which the first 64 bytes are standardized as follows:
*/