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

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, <keir@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH 2/3][RFC] MSI/MSI-X support fordom0/driver domain
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Mon, 28 May 2007 17:42:56 +0800
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Thread-topic: [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
>auto-allocate).

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?

Thanks,
Kevin

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