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RE: [Xen-devel] [PATCH 2/3][RFC] MSI/MSI-X support fordom0/driver domain

>From: Keir Fraser
>Sent: 2007年5月28日 17:18
>The new physdev_irq_permission can also provide a translation service
>into a
>new per-domain pirq space. Takes parameters something like:
> @type: MSI, or INTx
> @idx: vector (MSI type), or irq number as specified to alloc_irq_vector
>(INTx type)
> @domain: domain to remap to
> @pirq: 'pirq' in that domain (allow caller to specify, or -1 to

Who is the very owner to allocate per-domain pirq, domain itself or Xen? 
Or do you mean both sides can allocate by either "caller to specify " 
or '-1' for auto-allocation?


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