On Thu, Nov 07, 2024 at 12:37:59PM +1100, Alexey Kardashevskiy wrote:
> > + hwpt_paging = iommufd_get_hwpt_paging(ucmd, cmd->hwpt_id);
> > + if (IS_ERR(hwpt_paging)) {
> > + rc = PTR_ERR(hwpt_paging);
> > + goto out_put_idev;
> > + }
> > +
> > + if (!hwpt_paging->nest_pa
On Thu, Nov 07, 2024 at 12:37:59PM +1100, Alexey Kardashevskiy wrote:
> On 31/10/24 08:34, Nicolin Chen wrote:
> > +int iommufd_viommu_alloc_ioctl(struct iommufd_ucmd *ucmd)
> > +{
> > + struct iommu_viommu_alloc *cmd = ucmd->cmd;
> > + struct iommufd_hwpt_paging *hwpt_paging;
> > + str
On 31/10/24 08:34, Nicolin Chen wrote:
Add a new ioctl for user space to do a vIOMMU allocation. It must be based
on a nesting parent HWPT, so take its refcount.
IOMMU driver wanting to support vIOMMUs must define its IOMMU_VIOMMU_TYPE_
in the uAPI header and implement a viommu_alloc op in its i
Add a new ioctl for user space to do a vIOMMU allocation. It must be based
on a nesting parent HWPT, so take its refcount.
IOMMU driver wanting to support vIOMMUs must define its IOMMU_VIOMMU_TYPE_
in the uAPI header and implement a viommu_alloc op in its iommu_ops.
Reviewed-by: Jason Gunthorpe
