diff options
| author | Eli Cohen <eli@mellanox.com> | 2020-08-04 19:20:44 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-08-05 19:00:23 -0400 |
| commit | 23750e39d57433d0e3d89658f0bc448f9c42ff49 (patch) | |
| tree | 9f377ffa73d12ea6d7b8c8a9196f5250e923eb2b /include/linux/vdpa.h | |
| parent | aac50c0bd434794b9950181349099e709ca4edad (diff) | |
| download | lwn-23750e39d57433d0e3d89658f0bc448f9c42ff49.tar.gz lwn-23750e39d57433d0e3d89658f0bc448f9c42ff49.zip | |
vdpa: Modify get_vq_state() to return error code
Modify get_vq_state() so it returns an error code. In case of hardware
acceleration, the available index may be retrieved from the device, an
operation that can possibly fail.
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Link: https://lore.kernel.org/r/20200804162048.22587-9-eli@mellanox.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/linux/vdpa.h')
| -rw-r--r-- | include/linux/vdpa.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index d7399c983734..eae0bfd87d91 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -193,8 +193,8 @@ struct vdpa_config_ops { bool (*get_vq_ready)(struct vdpa_device *vdev, u16 idx); int (*set_vq_state)(struct vdpa_device *vdev, u16 idx, const struct vdpa_vq_state *state); - void (*get_vq_state)(struct vdpa_device *vdev, u16 idx, - struct vdpa_vq_state *state); + int (*get_vq_state)(struct vdpa_device *vdev, u16 idx, + struct vdpa_vq_state *state); struct vdpa_notification_area (*get_vq_notification)(struct vdpa_device *vdev, u16 idx); /* vq irq is not expected to be changed once DRIVER_OK is set */ |