Messages in this thread | | | From | Eugenio Perez Martin <> | Date | Fri, 4 Mar 2022 10:54:33 +0100 | Subject | Re: [RFC PATCH v2 07/19] vdpa: introduce config operations for associating ASID to a virtqueue group |
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On Thu, Feb 24, 2022 at 10:25 PM Gautam Dawar <gautam.dawar@xilinx.com> wrote: > > This patch introduces a new bus operation to allow the vDPA bus driver > to associate an ASID to a virtqueue group. > > Signed-off-by: Jason Wang <jasowang@redhat.com> > Signed-off-by: Gautam Dawar <gdawar@xilinx.com> > --- > include/linux/vdpa.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h > index de22ca1a8ef3..7386860c3995 100644 > --- a/include/linux/vdpa.h > +++ b/include/linux/vdpa.h > @@ -239,6 +239,12 @@ struct vdpa_map_file { > * @vdev: vdpa device > * Returns the iova range supported by > * the device. > + * @set_group_asid: Set address space identifier for a > + * virtqueue group > + * @vdev: vdpa device > + * @group: virtqueue group > + * @asid: address space id for this group > + * Returns integer: success (0) or error (< 0) > * @set_map: Set device memory mapping (optional) > * Needed for device that using device > * specific DMA translation (on-chip IOMMU) > @@ -321,6 +327,10 @@ struct vdpa_config_ops { > u64 iova, u64 size, u64 pa, u32 perm, void *opaque); > int (*dma_unmap)(struct vdpa_device *vdev, unsigned int asid, > u64 iova, u64 size); > + int (*set_group_asid)(struct vdpa_device *vdev, unsigned int group, > + unsigned int asid); > + > +
Nit again, and Jason's patch already contained these, but I think these two blank lines are introduced unintentionally.
> > /* Free device resources */ > void (*free)(struct vdpa_device *vdev); > -- > 2.25.0 >
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