[PATCH v3 01/16] iommufd/viommu: Introduce IOMMUFD_OBJ_VDEVICE and its related struct

[Nicolin Chen]

On Mon, Oct 21, 2024 at 09:21:48AM -0300, Jason Gunthorpe wrote:
> On Sat, Oct 19, 2024 at 06:35:45PM -0700, Nicolin Chen wrote:
> > On Thu, Oct 17, 2024 at 03:45:56PM -0300, Jason Gunthorpe wrote:
> > > > +struct iommufd_vdevice *
> > > > +__iommufd_vdevice_alloc(struct iommufd_ctx *ictx, size_t size)
> > > > +{
> > > > +	struct iommufd_object *obj;
> > > > +
> > > > +	if (WARN_ON(size < sizeof(struct iommufd_vdevice)))
> > > > +		return ERR_PTR(-EINVAL);
> > > > +	obj = iommufd_object_alloc_elm(ictx, size, IOMMUFD_OBJ_VDEVICE);
> > > > +	if (IS_ERR(obj))
> > > > +		return ERR_CAST(obj);
> > > > +	return container_of(obj, struct iommufd_vdevice, obj);
> > > > +}
> > > 
> > > Like for the viommu this can all just be folded into the #define
> > 
> > It seems that we have to keep two small functions as followings,
> > unless we want to expose the enum iommufd_object_type.
> 
> I'd probably expose the enum along with the struct..

OK. Let's do that.

Nicolin