text: /*
   * Copyright 2014 Canonical
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   *
   * Authors: Andreas Pokorny
   */
  
  #include "qxl_drv.h"
  #include "qxl_object.h"
  
  /* Empty Implementations as there should not be any other driver for a virtual
   * device that might share buffers with qxl */
  
  int qxl_gem_prime_pin(struct drm_gem_object *obj)
  {
  	struct qxl_bo *bo = gem_to_qxl_bo(obj);
  
  	return qxl_bo_pin(bo);
  }
  
  void qxl_gem_prime_unpin(struct drm_gem_object *obj)
  {
  	struct qxl_bo *bo = gem_to_qxl_bo(obj);
  
  	qxl_bo_unpin(bo);
  }
  
  struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
  {
  	return ERR_PTR(-ENOSYS);
  }
  
  struct drm_gem_object *qxl_gem_prime_import_sg_table(
  	struct drm_device *dev, struct dma_buf_attachment *attach,
  	struct sg_table *table)
  {
  	return ERR_PTR(-ENOSYS);
  }
  
  int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
  {
  	struct qxl_bo *bo = gem_to_qxl_bo(obj);
  	int ret;
  
  	ret = qxl_bo_vmap(bo, map);
  	if (ret < 0)
  		return ret;
  
  	return 0;
  }
  
  void qxl_gem_prime_vunmap(struct drm_gem_object *obj,
  			  struct dma_buf_map *map)
  {
  	struct qxl_bo *bo = gem_to_qxl_bo(obj);
  
  	qxl_bo_vunmap(bo);
  }
  
  int qxl_gem_prime_mmap(struct drm_gem_object *obj,
  		       struct vm_area_struct *area)
  {
  	return -ENOSYS;
  }
  