resource_size_t size;
};
+/**
+ * vDPA vq_state definition
+ * @avail_index: available index
+ */
+struct vdpa_vq_state {
+ u16 avail_index;
+};
+
/**
* vDPA device - representation of a vDPA device
* @dev: underlying device
const struct vdpa_config_ops *config;
unsigned int index;
bool features_valid;
+ int nvqs;
};
/**
* @set_vq_state: Set the state for a virtqueue
* @vdev: vdpa device
* @idx: virtqueue index
- * @state: virtqueue state (last_avail_idx)
+ * @state: pointer to set virtqueue state (last_avail_idx)
* Returns integer: success (0) or error (< 0)
* @get_vq_state: Get the state for a virtqueue
* @vdev: vdpa device
* @idx: virtqueue index
- * Returns virtqueue state (last_avail_idx)
+ * @state: pointer to returned state (last_avail_idx)
* @get_vq_notification: Get the notification area for a virtqueue
* @vdev: vdpa device
* @idx: virtqueue index
struct vdpa_callback *cb);
void (*set_vq_ready)(struct vdpa_device *vdev, u16 idx, bool ready);
bool (*get_vq_ready)(struct vdpa_device *vdev, u16 idx);
- int (*set_vq_state)(struct vdpa_device *vdev, u16 idx, u64 state);
- u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx);
+ int (*set_vq_state)(struct vdpa_device *vdev, u16 idx,
+ const 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 */
struct vdpa_device *__vdpa_alloc_device(struct device *parent,
const struct vdpa_config_ops *config,
+ int nvqs,
size_t size);
-#define vdpa_alloc_device(dev_struct, member, parent, config) \
+#define vdpa_alloc_device(dev_struct, member, parent, config, nvqs) \
container_of(__vdpa_alloc_device( \
- parent, config, \
+ parent, config, nvqs, \
sizeof(dev_struct) + \
BUILD_BUG_ON_ZERO(offsetof( \
dev_struct, member))), \