#define VIRTIO_BLOCK_DEV_ID 0x1001
#define VIRTIO_BALLOON_DEV_ID 0x1002
#define VIRTIO_CONSOLE_DEV_ID 0x1003
+#define VIRTIO_SYMBIOTIC_DEV_ID 0x100a
+#define VIRTIO_NET_SUBDEVICE_ID 1
#define VIRTIO_BLOCK_SUBDEVICE_ID 2
-
+#define VIRTIO_BALLOON_SUBDEVICE_ID 5
+#define VIRTIO_SYMBIOTIC_SUBDEVICE_ID 10
#define HOST_FEATURES_PORT 0
/* This means don't interrupt guest when buffer consumed. */
#define VIRTIO_NO_IRQ_FLAG 0x1
+
+/* ISR Flags */
+#define VIRTIO_ISR_ACTIVE 0x1
+#define VIRTIO_ISR_CFG_CHANGED 0x2
+
+
+
/* The virtio configuration space is a hybrid io/memory mapped model
* All IO is done via IO port accesses
* The IO ports access fields in a virtio data structure, and the base io port