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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 | ||
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 | ||
45 | static inline void qxl_bo_unreserve(struct qxl_bo *bo) | |
46 | { | |
47 | ttm_bo_unreserve(&bo->tbo); | |
48 | } | |
49 | ||
50 | static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo) | |
51 | { | |
52 | return bo->tbo.offset; | |
53 | } | |
54 | ||
55 | static inline unsigned long qxl_bo_size(struct qxl_bo *bo) | |
56 | { | |
57 | return bo->tbo.num_pages << PAGE_SHIFT; | |
58 | } | |
59 | ||
60 | static inline bool qxl_bo_is_reserved(struct qxl_bo *bo) | |
61 | { | |
62 | return !!atomic_read(&bo->tbo.reserved); | |
63 | } | |
64 | ||
65 | static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo) | |
66 | { | |
67 | return bo->tbo.addr_space_offset; | |
68 | } | |
69 | ||
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 |