1 /*
2 * Copyright (C) 2017 Oracle Corporation
3 * Copyright 2017 Canonical
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Andreas Pokorny
24 */
25
26 #include "vbox_drv.h"
27
28 /*
29 * Based on qxl_prime.c:
30 * Empty Implementations as there should not be any other driver for a virtual
31 * device that might share buffers with vboxvideo
32 */
33
vbox_gem_prime_pin(struct drm_gem_object * obj)34 int vbox_gem_prime_pin(struct drm_gem_object *obj)
35 {
36 WARN_ONCE(1, "not implemented");
37 return -ENOSYS;
38 }
39
vbox_gem_prime_unpin(struct drm_gem_object * obj)40 void vbox_gem_prime_unpin(struct drm_gem_object *obj)
41 {
42 WARN_ONCE(1, "not implemented");
43 }
44
vbox_gem_prime_get_sg_table(struct drm_gem_object * obj)45 struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
46 {
47 WARN_ONCE(1, "not implemented");
48 return ERR_PTR(-ENOSYS);
49 }
50
vbox_gem_prime_import_sg_table(struct drm_device * dev,struct dma_buf_attachment * attach,struct sg_table * table)51 struct drm_gem_object *vbox_gem_prime_import_sg_table(
52 struct drm_device *dev, struct dma_buf_attachment *attach,
53 struct sg_table *table)
54 {
55 WARN_ONCE(1, "not implemented");
56 return ERR_PTR(-ENOSYS);
57 }
58
vbox_gem_prime_vmap(struct drm_gem_object * obj)59 void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
60 {
61 WARN_ONCE(1, "not implemented");
62 return ERR_PTR(-ENOSYS);
63 }
64
vbox_gem_prime_vunmap(struct drm_gem_object * obj,void * vaddr)65 void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
66 {
67 WARN_ONCE(1, "not implemented");
68 }
69
vbox_gem_prime_mmap(struct drm_gem_object * obj,struct vm_area_struct * area)70 int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
71 {
72 WARN_ONCE(1, "not implemented");
73 return -ENOSYS;
74 }
75