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Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapp
From: |
Chen, Tiejun |
Subject: |
Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping |
Date: |
Wed, 21 May 2014 00:57:44 +0000 |
> -----Original Message-----
> From: Stefano Stabellini [mailto:address@hidden
> Sent: Tuesday, May 20, 2014 6:51 PM
> To: Chen, Tiejun
> Cc: Stefano Stabellini; address@hidden; address@hidden;
> address@hidden; address@hidden;
> address@hidden; address@hidden;
> address@hidden; Kay, Allen M; Zhang, Yang Z
> Subject: RE: [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping
>
[snip]
> > > >
> > > > + if (xen_pt_emu_reg_grps[i].grp_id == PCI_INTEL_OPREGION) {
> > > > + reg_grp_offset = PCI_INTEL_OPREGION;
> > > > + }
> > > > +
> >
> > But for this pass through scenario, we have to set 0xfc manually since we
> need to trap 0xfc completely in that comment:
> >
> > + /*
> > + ** By default we will trap up to 0x40 in the cfg space.
> > + ** If an intel device is pass through we need to trap 0xfc,
> > + ** therefore the size should be 0xff.
> > + */
>
> OK. Can you please keep this comment in your patch? Thanks!
Sure.
Thanks
Tiejun
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, (continued)
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Konrad Rzeszutek Wilk, 2014/05/16
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Zhang, Yang Z, 2014/05/18
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Konrad Rzeszutek Wilk, 2014/05/19
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Chen, Tiejun, 2014/05/20
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Konrad Rzeszutek Wilk, 2014/05/20
- Re: [Qemu-devel] [Xen-devel] [v2][PATCH 6/8] xen, gfx passthrough: support Intel IGD passthrough with VT-D, Chen, Tiejun, 2014/05/19
[Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping, Tiejun Chen, 2014/05/16
- Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping, Stefano Stabellini, 2014/05/19
- Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping, Chen, Tiejun, 2014/05/20
- Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping, Stefano Stabellini, 2014/05/20
- Re: [Qemu-devel] [v2][PATCH 8/8] xen, gfx passthrough: add opregion mapping,
Chen, Tiejun <=
[Qemu-devel] [v2][PATCH 7/8] xen, gfx passthrough: create host bridge to passthrough, Tiejun Chen, 2014/05/16