[PATCH] gvt/kvmgt: fill info for ROM/VGA region

[Zhang, Pei]

Sure.

*********  ***** 
BRs, 
Pei Zhang


> -----Original Message-----
> From: Zhenyu Wang [mailto:zhenyuw at linux.intel.com]
> Sent: Friday, December 8, 2017 10:46 AM
> To: Zhang, Pei <pei.zhang at intel.com>
> Cc: intel-gvt-dev at lists.freedesktop.org
> Subject: Re: [PATCH] gvt/kvmgt: fill info for ROM/VGA region
> 
> 
> Look good to me. Could you fix patch title like "drm/i915/gvt/kvmgt:
> xxx"?
> 
> On 2017.12.06 15:47:09 +0800, Pei Zhang wrote:
> > Both ROM/VGA region are not supported for vGPU in GVT. But if the
> > device model want to get those region, we should return the correct
> > information but not leave the structure with random data. Change to
> > same operation of BAR3-BAR5 which are also not supported by vGPU.
> >
> > Refer to function @intel_vgpu_rw.
> >
> > Signed-off-by: Pei Zhang <pei.zhang at intel.com>
> > ---
> >  drivers/gpu/drm/i915/gvt/kvmgt.c | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c
> > b/drivers/gpu/drm/i915/gvt/kvmgt.c
> > index b17a5b0..92f9258 100644
> > --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
> > +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> > @@ -1013,13 +1013,17 @@ static long intel_vgpu_ioctl(struct
> mdev_device *mdev, unsigned int cmd,
> >  		case VFIO_PCI_BAR3_REGION_INDEX ... VFIO_PCI_BAR5_REGION_INDEX:
> >  			info.offset = VFIO_PCI_INDEX_TO_OFFSET(info.index);
> >  			info.size = 0;
> > -
> >  			info.flags = 0;
> > +
> >  			gvt_dbg_core("get region info bar:%d\n", info.index);
> >  			break;
> >
> >  		case VFIO_PCI_ROM_REGION_INDEX:
> >  		case VFIO_PCI_VGA_REGION_INDEX:
> > +			info.offset = VFIO_PCI_INDEX_TO_OFFSET(info.index);
> > +			info.size = 0;
> > +			info.flags = 0;
> > +
> >  			gvt_dbg_core("get region info index:%d\n", info.index);
> >  			break;
> >  		default:
> > --
> > 2.7.4
> >
> > _______________________________________________
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> > intel-gvt-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gvt-dev
> 
> --
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