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
->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
);