Messages in this thread | | | Date | Fri, 13 Jan 2023 11:01:13 +0100 | From | Stefano Garzarella <> | Subject | Re: [PATCH v6 1/4] vdpa: Add resume operation |
| |
On Tue, Jan 03, 2023 at 11:51:05AM +0100, sebastien.boeuf@intel.com wrote: >From: Sebastien Boeuf <sebastien.boeuf@intel.com> > >Add a new operation to allow a vDPA device to be resumed after it has >been suspended. Trying to resume a device that wasn't suspended will >result in a no-op. > >This operation is optional. If it's not implemented, the associated >backend feature bit will not be exposed. And if the feature bit is not >exposed, invoking this operation will return an error. > >Acked-by: Jason Wang <jasowang@redhat.com> >Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com> >--- > include/linux/vdpa.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-)
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
> >diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h >index 6d0f5e4e82c2..96d308cbf97b 100644 >--- a/include/linux/vdpa.h >+++ b/include/linux/vdpa.h >@@ -219,7 +219,10 @@ struct vdpa_map_file { > * @reset: Reset device > * @vdev: vdpa device > * Returns integer: success (0) or error (< 0) >- * @suspend: Suspend or resume the device (optional) >+ * @suspend: Suspend the device (optional) >+ * @vdev: vdpa device >+ * Returns integer: success (0) or error (< 0) >+ * @resume: Resume the device (optional) > * @vdev: vdpa device > * Returns integer: success (0) or error (< 0) > * @get_config_size: Get the size of the configuration space includes >@@ -324,6 +327,7 @@ struct vdpa_config_ops { > void (*set_status)(struct vdpa_device *vdev, u8 status); > int (*reset)(struct vdpa_device *vdev); > int (*suspend)(struct vdpa_device *vdev); >+ int (*resume)(struct vdpa_device *vdev); > size_t (*get_config_size)(struct vdpa_device *vdev); > void (*get_config)(struct vdpa_device *vdev, unsigned int offset, > void *buf, unsigned int len); >-- >2.37.2 > >--------------------------------------------------------------------- >Intel Corporation SAS (French simplified joint stock company) >Registered headquarters: "Les Montalets"- 2, rue de Paris, >92196 Meudon Cedex, France >Registration Number: 302 456 199 R.C.S. NANTERRE >Capital: 5 208 026.16 Euros > >This e-mail and any attachments may contain confidential material for >the sole use of the intended recipient(s). Any review or distribution >by others is strictly prohibited. If you are not the intended >recipient, please contact the sender and delete all copies. >
| |