[Intel-gfx] [PATCH v3 12/12] vfio/pci: Report dev_id in VFIO_DEVICE_GET_PCI_HOT_RESET_INFO

[Jason Gunthorpe]

On Sun, Apr 09, 2023 at 07:29:51AM -0600, Alex Williamson wrote:

> > struct vfio_device_info_cap_pci_bdf {
> >          struct vfio_info_cap_header header;
> >          __u32   group_id;
> >          __u16   segment;
> >          __u8    bus;
> >          __u8    devfn; /* Use PCI_SLOT/PCI_FUNC */
> > };
> > 
> 
> Group-id and bdf should be separate capabilities, all device should
> report a group-id capability and only PCI devices a bdf capability.

Group should be reported by iommufd using a generic ioctl, and not be
part of VFIO.

This should report BDF only and only work for PCI.

Jason