1/*
2 * Copyright 2013 Red Hat Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Dave Airlie
23 *          Alon Levy
24 */
25
26#include "drmP.h"
27#include "drm/drm.h"
28#include "qxl_drv.h"
29#include "qxl_object.h"
30
31void qxl_gem_object_free(struct drm_gem_object *gobj)
32{
33	struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
34
35	if (qobj)
36		qxl_bo_unref(&qobj);
37}
38
39int qxl_gem_object_create(struct qxl_device *qdev, int size,
40			  int alignment, int initial_domain,
41			  bool discardable, bool kernel,
42			  struct qxl_surface *surf,
43			  struct drm_gem_object **obj)
44{
45	struct qxl_bo *qbo;
46	int r;
47
48	*obj = NULL;
49	/* At least align on page size */
50	if (alignment < PAGE_SIZE)
51		alignment = PAGE_SIZE;
52	r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo);
53	if (r) {
54		if (r != -ERESTARTSYS)
55			DRM_ERROR(
56			"Failed to allocate GEM object (%d, %d, %u, %d)\n",
57				  size, initial_domain, alignment, r);
58		return r;
59	}
60	*obj = &qbo->gem_base;
61
62	mutex_lock(&qdev->gem.mutex);
63	list_add_tail(&qbo->list, &qdev->gem.objects);
64	mutex_unlock(&qdev->gem.mutex);
65
66	return 0;
67}
68
69int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
70				      struct drm_file *file_priv,
71				      u32 domain,
72				      size_t size,
73				      struct qxl_surface *surf,
74				      struct qxl_bo **qobj,
75				      uint32_t *handle)
76{
77	struct drm_gem_object *gobj;
78	int r;
79
80	BUG_ON(!qobj);
81	BUG_ON(!handle);
82
83	r = qxl_gem_object_create(qdev, size, 0,
84				  domain,
85				  false, false, surf,
86				  &gobj);
87	if (r)
88		return -ENOMEM;
89	r = drm_gem_handle_create(file_priv, gobj, handle);
90	if (r)
91		return r;
92	/* drop reference from allocate - handle holds it now */
93	*qobj = gem_to_qxl_bo(gobj);
94	drm_gem_object_unreference_unlocked(gobj);
95	return 0;
96}
97
98int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
99{
100	return 0;
101}
102
103void qxl_gem_object_close(struct drm_gem_object *obj,
104			  struct drm_file *file_priv)
105{
106}
107
108int qxl_gem_init(struct qxl_device *qdev)
109{
110	INIT_LIST_HEAD(&qdev->gem.objects);
111	return 0;
112}
113
114void qxl_gem_fini(struct qxl_device *qdev)
115{
116	qxl_bo_force_delete(qdev);
117}
118