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,bool no_wait)30 static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
31 {
32 int r;
33
34 r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
35 if (unlikely(r != 0)) {
36 if (r != -ERESTARTSYS) {
37 struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
38 dev_err(qdev->dev, "%p reserve failed\n", bo);
39 }
40 return r;
41 }
42 return 0;
43 }
44
qxl_bo_unreserve(struct qxl_bo * bo)45 static inline void qxl_bo_unreserve(struct qxl_bo *bo)
46 {
47 ttm_bo_unreserve(&bo->tbo);
48 }
49
qxl_bo_gpu_offset(struct qxl_bo * bo)50 static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
51 {
52 return bo->tbo.offset;
53 }
54
qxl_bo_size(struct qxl_bo * bo)55 static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
56 {
57 return bo->tbo.num_pages << PAGE_SHIFT;
58 }
59
qxl_bo_is_reserved(struct qxl_bo * bo)60 static inline bool qxl_bo_is_reserved(struct qxl_bo *bo)
61 {
62 return !!atomic_read(&bo->tbo.reserved);
63 }
64
qxl_bo_mmap_offset(struct qxl_bo * bo)65 static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
66 {
67 return bo->tbo.addr_space_offset;
68 }
69
qxl_bo_wait(struct qxl_bo * bo,u32 * mem_type,bool no_wait)70 static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
71 bool no_wait)
72 {
73 int r;
74
75 r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
76 if (unlikely(r != 0)) {
77 if (r != -ERESTARTSYS) {
78 struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
79 dev_err(qdev->dev, "%p reserve failed for wait\n",
80 bo);
81 }
82 return r;
83 }
84 spin_lock(&bo->tbo.bdev->fence_lock);
85 if (mem_type)
86 *mem_type = bo->tbo.mem.mem_type;
87 if (bo->tbo.sync_obj)
88 r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
89 spin_unlock(&bo->tbo.bdev->fence_lock);
90 ttm_bo_unreserve(&bo->tbo);
91 return r;
92 }
93
94 extern int qxl_bo_create(struct qxl_device *qdev,
95 unsigned long size,
96 bool kernel, u32 domain,
97 struct qxl_surface *surf,
98 struct qxl_bo **bo_ptr);
99 extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
100 extern void qxl_bo_kunmap(struct qxl_bo *bo);
101 void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
102 void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
103 extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
104 extern void qxl_bo_unref(struct qxl_bo **bo);
105 extern int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr);
106 extern int qxl_bo_unpin(struct qxl_bo *bo);
107 extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain);
108 extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
109
110 extern int qxl_bo_list_add(struct qxl_reloc_list *reloc_list, struct qxl_bo *bo);
111 extern void qxl_bo_list_unreserve(struct qxl_reloc_list *reloc_list, bool failed);
112 #endif
113