2 * Copyright 2014 Canonical
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Andreas Pokorny
27 /* Empty Implementations as there should not be any other driver for a virtual
28 * device that might share buffers with qxl */
30 int qxl_gem_prime_pin(struct drm_gem_object *obj)
32 WARN_ONCE(1, "not implemented");
36 void qxl_gem_prime_unpin(struct drm_gem_object *obj)
38 WARN_ONCE(1, "not implemented");
42 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
44 WARN_ONCE(1, "not implemented");
45 return ERR_PTR(-ENOSYS);
48 struct drm_gem_object *qxl_gem_prime_import_sg_table(
49 struct drm_device *dev, struct dma_buf_attachment *attach,
50 struct sg_table *table)
52 WARN_ONCE(1, "not implemented");
53 return ERR_PTR(-ENOSYS);
56 void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
58 WARN_ONCE(1, "not implemented");
59 return ERR_PTR(-ENOSYS);
62 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
64 WARN_ONCE(1, "not implemented");
67 int qxl_gem_prime_mmap(struct drm_gem_object *obj,
68 struct vm_area_struct *area)
70 WARN_ONCE(1, "not implemented");