1 /* $NetBSD: qxl_object.h,v 1.3 2021/12/18 23:45:42 riastradh Exp $ */
2
3 /*
4 * Copyright 2013 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alon Levy
26 */
27 #ifndef QXL_OBJECT_H
28 #define QXL_OBJECT_H
29
30 #include "qxl_drv.h"
31
qxl_bo_reserve(struct qxl_bo * bo,bool no_wait)32 static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
33 {
34 int r;
35
36 r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
37 if (unlikely(r != 0)) {
38 if (r != -ERESTARTSYS) {
39 struct drm_device *ddev = bo->tbo.base.dev;
40
41 dev_err(ddev->dev, "%p reserve failed\n", bo);
42 }
43 return r;
44 }
45 return 0;
46 }
47
qxl_bo_unreserve(struct qxl_bo * bo)48 static inline void qxl_bo_unreserve(struct qxl_bo *bo)
49 {
50 ttm_bo_unreserve(&bo->tbo);
51 }
52
qxl_bo_gpu_offset(struct qxl_bo * bo)53 static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
54 {
55 return bo->tbo.offset;
56 }
57
qxl_bo_size(struct qxl_bo * bo)58 static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
59 {
60 return bo->tbo.num_pages << PAGE_SHIFT;
61 }
62
qxl_bo_mmap_offset(struct qxl_bo * bo)63 static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
64 {
65 return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
66 }
67
qxl_bo_wait(struct qxl_bo * bo,u32 * mem_type,bool no_wait)68 static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
69 bool no_wait)
70 {
71 int r;
72
73 r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
74 if (unlikely(r != 0)) {
75 if (r != -ERESTARTSYS) {
76 struct drm_device *ddev = bo->tbo.base.dev;
77
78 dev_err(ddev->dev, "%p reserve failed for wait\n",
79 bo);
80 }
81 return r;
82 }
83 if (mem_type)
84 *mem_type = bo->tbo.mem.mem_type;
85
86 r = ttm_bo_wait(&bo->tbo, true, no_wait);
87 ttm_bo_unreserve(&bo->tbo);
88 return r;
89 }
90
91 extern int qxl_bo_create(struct qxl_device *qdev,
92 unsigned long size,
93 bool kernel, bool pinned, u32 domain,
94 struct qxl_surface *surf,
95 struct qxl_bo **bo_ptr);
96 extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
97 extern void qxl_bo_kunmap(struct qxl_bo *bo);
98 void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
99 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
100 extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
101 extern void qxl_bo_unref(struct qxl_bo **bo);
102 extern int qxl_bo_pin(struct qxl_bo *bo);
103 extern int qxl_bo_unpin(struct qxl_bo *bo);
104 extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
105 extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
106
107 #endif
108