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#ifndef QXL_OBJECT_H
26#define QXL_OBJECT_H
27
28#include "qxl_drv.h"
29
30static inline int qxl_bo_reserve(struct qxl_bo *bo)
31{
32 int r;
33
34 r = ttm_bo_reserve(bo: &bo->tbo, interruptible: true, no_wait: false, NULL);
35 if (unlikely(r != 0)) {
36 if (r != -ERESTARTSYS) {
37 struct drm_device *ddev = bo->tbo.base.dev;
38
39 dev_err(ddev->dev, "%p reserve failed\n", bo);
40 }
41 return r;
42 }
43 return 0;
44}
45
46static inline void qxl_bo_unreserve(struct qxl_bo *bo)
47{
48 ttm_bo_unreserve(bo: &bo->tbo);
49}
50
51static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
52{
53 return bo->tbo.base.size;
54}
55
56extern int qxl_bo_create(struct qxl_device *qdev,
57 unsigned long size,
58 bool kernel, bool pinned, u32 domain,
59 u32 priority,
60 struct qxl_surface *surf,
61 struct qxl_bo **bo_ptr);
62int qxl_bo_pin_and_vmap(struct qxl_bo *bo, struct iosys_map *map);
63int qxl_bo_vmap_locked(struct qxl_bo *bo, struct iosys_map *map);
64int qxl_bo_vunmap_and_unpin(struct qxl_bo *bo);
65void qxl_bo_vunmap_locked(struct qxl_bo *bo);
66void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
67void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
68extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
69extern void qxl_bo_unref(struct qxl_bo **bo);
70extern int qxl_bo_pin_locked(struct qxl_bo *bo);
71extern void qxl_bo_unpin_locked(struct qxl_bo *bo);
72extern int qxl_bo_pin(struct qxl_bo *bo);
73extern int qxl_bo_unpin(struct qxl_bo *bo);
74extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain);
75extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
76
77#endif
78

source code of linux/drivers/gpu/drm/qxl/qxl_object.h