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
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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->flags |= I915_VMA_LOCAL_BIND;
50 static void mock_unbind_ppgtt(struct i915_vma *vma)
54 static void mock_cleanup(struct i915_address_space *vm)
58 struct i915_hw_ppgtt *
59 mock_ppgtt(struct drm_i915_private *i915,
62 struct i915_hw_ppgtt *ppgtt;
64 ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
68 kref_init(&ppgtt->ref);
69 ppgtt->vm.i915 = i915;
70 ppgtt->vm.total = round_down(U64_MAX, PAGE_SIZE);
71 ppgtt->vm.file = ERR_PTR(-ENODEV);
73 i915_address_space_init(&ppgtt->vm, i915);
75 ppgtt->vm.clear_range = nop_clear_range;
76 ppgtt->vm.insert_page = mock_insert_page;
77 ppgtt->vm.insert_entries = mock_insert_entries;
78 ppgtt->vm.cleanup = mock_cleanup;
80 ppgtt->vm.vma_ops.bind_vma = mock_bind_ppgtt;
81 ppgtt->vm.vma_ops.unbind_vma = mock_unbind_ppgtt;
82 ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages;
83 ppgtt->vm.vma_ops.clear_pages = clear_pages;
88 static int mock_bind_ggtt(struct i915_vma *vma,
89 enum i915_cache_level cache_level,
92 vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
96 static void mock_unbind_ggtt(struct i915_vma *vma)
100 void mock_init_ggtt(struct drm_i915_private *i915)
102 struct i915_ggtt *ggtt = &i915->ggtt;
104 ggtt->vm.i915 = i915;
106 ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
107 ggtt->mappable_end = resource_size(&ggtt->gmadr);
108 ggtt->vm.total = 4096 * PAGE_SIZE;
110 ggtt->vm.clear_range = nop_clear_range;
111 ggtt->vm.insert_page = mock_insert_page;
112 ggtt->vm.insert_entries = mock_insert_entries;
113 ggtt->vm.cleanup = mock_cleanup;
115 ggtt->vm.vma_ops.bind_vma = mock_bind_ggtt;
116 ggtt->vm.vma_ops.unbind_vma = mock_unbind_ggtt;
117 ggtt->vm.vma_ops.set_pages = ggtt_set_pages;
118 ggtt->vm.vma_ops.clear_pages = clear_pages;
120 i915_address_space_init(&ggtt->vm, i915);
123 void mock_fini_ggtt(struct drm_i915_private *i915)
125 struct i915_ggtt *ggtt = &i915->ggtt;
127 i915_address_space_fini(&ggtt->vm);