diff options
Diffstat (limited to 'include/linux/virtio_config.h')
| -rw-r--r-- | include/linux/virtio_config.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 39c88c5ad19d..e9e72bda1b72 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -85,6 +85,8 @@ * @reset: reset the device * vdev: the virtio device * After this, status and feature negotiation must be done again + * Device must not be reset from its vq/config callbacks, or in + * parallel with being added/removed. * @find_vqs: find virtqueues and instantiate them. * vdev: the virtio_device * nvqs: the number of virtqueues to find @@ -155,6 +157,9 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, #define virtio_config_val(vdev, fbit, offset, v) \ virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(*v)) +#define virtio_config_val_len(vdev, fbit, offset, v, len) \ + virtio_config_buf((vdev), (fbit), (offset), (v), (len)) + static inline int virtio_config_buf(struct virtio_device *vdev, unsigned int fbit, unsigned int offset, |