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
27struct 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
60err_filp:
61	kfree(filp);
62err_inode:
63	kfree(inode);
64err:
65	return ERR_PTR(err);
66}
67
68void 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}