Stupid VT-d Question

Stupid VT-d Question

imagem de hypervista

I'm interested in implementing Direct Assignment and have been reading with great interest about the VT-d technology for I/O virtualization.


My question is, if I have a VT-x capable processor do I also have a VT-d capable processor? Is VT-d a component of the processor, or a component of the Northbridge chipset? How do I determine, or discover support for VT-d?


Thanks in advance for your time in answering my question.

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Para obter mais informações sobre otimizações de compiladores, consulte Aviso sobre otimizações.
imagem de Steven Thomsen (Intel)

Hypervista,
Your processor is VT-x capable. It is your platform which would be VT-d capable, as the chipset enables VT-d. This chipset will be available very soon, so I do not think your platform is VT-d capable (unless you got an early version from Intel ). I hope this answers your question.
Stev

imagem de hypervista

Thank you Stev! Yes, your response did answer my question.

imagem de andykkt

hmm...I got a another stupid question...what I understand isthat there is no VT-d capable chipset out there yet, then if I make a VMM (hypervisor) on those VT-x capable system, Do I still need to support virtual device and manage each VM's status to guest-VM to work? I just finished VMX operation to work(just VMX-On, Off, VM enter, and exit).. but have no idea what to do to make guest-VM to work... could you give me a hint to create new guest-VM on hosted-VM? where do I have to start? or look up? (ifit's possible, could you give me simple examplecode of start new VM?)

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