Hi, I am a few questions on Virtio, Hope somebody clarifies them

1. What is the address type that is put inside the vring descriptor in the virt 
queue while placing a request? Is it the guest virtual address or guest 
physical address?
2. If it is Guest physical address, how qemu converts it to its virtual address 
before processing the buffer?
3. How does qemu interact with guest once it receives the buffers from the virt 
queue for doing the IO?

Thx,

Venkat


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