1 /*
2 * Copyright © 2017 Intel Corporation
3 *
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:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 */
24
25 #include "mock_drm.h"
26
27 struct drm_file *mock_file(struct drm_i915_private *i915)
28 {
29 struct file *filp;
30 struct inode *inode;
31 struct drm_file *file;
32 int err;
33
34 inode = kzalloc(sizeof(*inode), GFP_KERNEL);
35 if (!inode) {
36 err = -ENOMEM;
37 goto err;
38 }
39
40 inode->i_rdev = i915->drm.primary->index;
41
42 filp = kzalloc(sizeof(*filp), GFP_KERNEL);
43 if (!filp) {
44 err = -ENOMEM;
45 goto err_inode;
46 }
47
48 err = drm_open(inode, filp);
49 if (err)
50 goto err_filp;
51
52 file = filp->private_data;
53 memset(&file->filp, POISON_INUSE, sizeof(file->filp));
54 file->authenticated = true;
55
56 kfree(filp);
57 kfree(inode);
58 return file;
59
60 err_filp:
61 kfree(filp);
62 err_inode:
63 kfree(inode);
64 err:
65 return ERR_PTR(err);
66 }
67
68 void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
69 {
70 struct file filp = { .private_data = file };
71
72 drm_release(NULL, &filp);
73 }