lkml.org 
[lkml]   [2022]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [PATCH v6 1/4] vdpa: Add suspend operation
    On Fri, Jun 24, 2022 at 12:07 AM Eugenio Pérez <eperezma@redhat.com> wrote:
    >
    > This operation is optional: It it's not implemented, backend feature bit
    > will not be exposed.

    A question, do we allow suspending a device without DRIVER_OK?

    Thanks

    >
    > Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
    > ---
    > include/linux/vdpa.h | 4 ++++
    > 1 file changed, 4 insertions(+)
    >
    > diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
    > index 7b4a13d3bd91..d282f464d2f1 100644
    > --- a/include/linux/vdpa.h
    > +++ b/include/linux/vdpa.h
    > @@ -218,6 +218,9 @@ struct vdpa_map_file {
    > * @reset: Reset device
    > * @vdev: vdpa device
    > * Returns integer: success (0) or error (< 0)
    > + * @suspend: Suspend or 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
    > * fields that are conditional on feature bits.
    > * @vdev: vdpa device
    > @@ -319,6 +322,7 @@ struct vdpa_config_ops {
    > u8 (*get_status)(struct vdpa_device *vdev);
    > void (*set_status)(struct vdpa_device *vdev, u8 status);
    > int (*reset)(struct vdpa_device *vdev);
    > + int (*suspend)(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);
    > --
    > 2.31.1
    >

    \
     
     \ /
      Last update: 2022-06-29 06:12    [W:4.051 / U:0.656 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site