On Thu, Jun 27, 2019 at 08:55:21AM +0000, Zhang, Tina wrote: > > > > -----Original Message----- > > From: intel-gvt-dev [mailto:intel-gvt-dev-bounces@xxxxxxxxxxxxxxxxxxxxx] On > > Behalf Of Gerd Hoffmann > > Sent: Thursday, June 27, 2019 2:20 PM > > To: Zhang, Tina <tina.zhang@xxxxxxxxx> > > Cc: Tian, Kevin <kevin.tian@xxxxxxxxx>; kvm@xxxxxxxxxxxxxxx; linux- > > kernel@xxxxxxxxxxxxxxx; zhenyuw@xxxxxxxxxxxxxxx; Yuan, Hang > > <hang.yuan@xxxxxxxxx>; alex.williamson@xxxxxxxxxx; Lv, Zhiyuan > > <zhiyuan.lv@xxxxxxxxx>; intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx; Wang, Zhi A > > <zhi.a.wang@xxxxxxxxx> > > 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. Just assign multiple types? cheers, Gerd
