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
qxl_bo_reserve(struct qxl_bo * bo)30 static inline int qxl_bo_reserve(struct qxl_bo *bo)
31 {
32 int r;
33
34 r = ttm_bo_reserve(&bo->tbo, true, 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
qxl_bo_unreserve(struct qxl_bo * bo)46 static inline void qxl_bo_unreserve(struct qxl_bo *bo)
47 {
48 ttm_bo_unreserve(&bo->tbo);
49 }
50
qxl_bo_size(struct qxl_bo * bo)51 static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
52 {
53 return bo->tbo.num_pages << PAGE_SHIFT;
54 }
55
qxl_bo_mmap_offset(struct qxl_bo * bo)56 static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
57 {
58 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
59 }
60
qxl_bo_wait(struct qxl_bo * bo,u32 * mem_type,bool no_wait)61 static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
62 bool no_wait)
63 {
64 int r;
65
66 r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
67 if (unlikely(r != 0)) {
68 if (r != -ERESTARTSYS) {
69 struct drm_device *ddev = bo->tbo.base.dev;
70
71 dev_err(ddev->dev, "%p reserve failed for wait\n",
72 bo);
73 }
74 return r;
75 }
76 if (mem_type)
77 *mem_type = bo->tbo.mem.mem_type;
78
79 r = ttm_bo_wait(&bo->tbo, true, no_wait);
80 ttm_bo_unreserve(&bo->tbo);
81 return r;
82 }
83
84 extern int qxl_bo_create(struct qxl_device *qdev,
85 unsigned long size,
86 bool kernel, bool pinned, u32 domain,
87 struct qxl_surface *surf,
88 struct qxl_bo **bo_ptr);
89 extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
90 extern void qxl_bo_kunmap(struct qxl_bo *bo);
91 void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
92 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
93 extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
94 extern void qxl_bo_unref(struct qxl_bo **bo);
95 extern int qxl_bo_pin(struct qxl_bo *bo);
96 extern int qxl_bo_unpin(struct qxl_bo *bo);
97 extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
98 extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
99
100 #endif
101
