[RFC PATCH v3 1/4] vfio: Define device specific irq type capability
Zhang, Tina
tina.zhang at intel.com
Thu Jun 27 08:55:21 UTC 2019
> -----Original Message-----
> From: intel-gvt-dev [mailto:intel-gvt-dev-bounces at lists.freedesktop.org] On
> Behalf Of Gerd Hoffmann
> Sent: Thursday, June 27, 2019 2:20 PM
> To: Zhang, Tina <tina.zhang at intel.com>
> Cc: Tian, Kevin <kevin.tian at intel.com>; kvm at vger.kernel.org; linux-
> kernel at vger.kernel.org; zhenyuw at linux.intel.com; Yuan, Hang
> <hang.yuan at intel.com>; alex.williamson at redhat.com; Lv, Zhiyuan
> <zhiyuan.lv at intel.com>; intel-gvt-dev at lists.freedesktop.org; Wang, Zhi A
> <zhi.a.wang at intel.com>
> Subject: Re: [RFC PATCH v3 1/4] vfio: Define device specific irq type
> capability
>
> Hi,
>
> > +struct vfio_irq_info_cap_type {
> > + struct vfio_info_cap_header header;
> > + __u32 type; /* global per bus driver */
> > + __u32 subtype; /* type specific */
>
> Do we really need both type and subtype?
Then, if one device has several irqs, how can we identify them?
Thanks.
BR,
tina
>
> cheers,
> Gerd
>
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