2 * Copyright © 2016 Intel Corporation
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:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
27 static void mock_insert_page(struct i915_address_space *vm,
30 enum i915_cache_level level,
35 static void mock_insert_entries(struct i915_address_space *vm,
37 enum i915_cache_level level, u32 flags)
41 static int mock_bind_ppgtt(struct i915_vma *vma,
42 enum i915_cache_level cache_level,
45 GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
46 vma->pages = vma->obj->mm.pages;
47 vma->flags |= I915_VMA_LOCAL_BIND;
51 static void mock_unbind_ppgtt(struct i915_vma *vma)
55 static void mock_cleanup(struct i915_address_space *vm)
59 struct i915_hw_ppgtt *
60 mock_ppgtt(struct drm_i915_private *i915,
63 struct i915_hw_ppgtt *ppgtt;
65 ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
69 kref_init(&ppgtt->ref);
70 ppgtt->base.i915 = i915;
71 ppgtt->base.total = round_down(U64_MAX, PAGE_SIZE);
72 ppgtt->base.file = ERR_PTR(-ENODEV);
74 INIT_LIST_HEAD(&ppgtt->base.active_list);
75 INIT_LIST_HEAD(&ppgtt->base.inactive_list);
76 INIT_LIST_HEAD(&ppgtt->base.unbound_list);
78 INIT_LIST_HEAD(&ppgtt->base.global_link);
79 drm_mm_init(&ppgtt->base.mm, 0, ppgtt->base.total);
80 i915_gem_timeline_init(i915, &ppgtt->base.timeline, name);
82 ppgtt->base.clear_range = nop_clear_range;
83 ppgtt->base.insert_page = mock_insert_page;
84 ppgtt->base.insert_entries = mock_insert_entries;
85 ppgtt->base.bind_vma = mock_bind_ppgtt;
86 ppgtt->base.unbind_vma = mock_unbind_ppgtt;
87 ppgtt->base.cleanup = mock_cleanup;
92 static int mock_bind_ggtt(struct i915_vma *vma,
93 enum i915_cache_level cache_level,
98 err = i915_get_ggtt_vma_pages(vma);
102 vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
106 static void mock_unbind_ggtt(struct i915_vma *vma)
110 void mock_init_ggtt(struct drm_i915_private *i915)
112 struct i915_ggtt *ggtt = &i915->ggtt;
114 INIT_LIST_HEAD(&i915->vm_list);
116 ggtt->base.i915 = i915;
118 ggtt->mappable_base = 0;
119 ggtt->mappable_end = 2048 * PAGE_SIZE;
120 ggtt->base.total = 4096 * PAGE_SIZE;
122 ggtt->base.clear_range = nop_clear_range;
123 ggtt->base.insert_page = mock_insert_page;
124 ggtt->base.insert_entries = mock_insert_entries;
125 ggtt->base.bind_vma = mock_bind_ggtt;
126 ggtt->base.unbind_vma = mock_unbind_ggtt;
127 ggtt->base.cleanup = mock_cleanup;
129 i915_address_space_init(&ggtt->base, i915, "global");
132 void mock_fini_ggtt(struct drm_i915_private *i915)
134 struct i915_ggtt *ggtt = &i915->ggtt;
136 i915_address_space_fini(&ggtt->base);