1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include "mock_gtt.h"
static void mock_insert_page(struct i915_address_space *vm,
dma_addr_t addr,
u64 offset,
enum i915_cache_level level,
u32 flags)
{
}
static void mock_insert_entries(struct i915_address_space *vm,
struct i915_vma_resource *vma_res,
enum i915_cache_level level, u32 flags)
{
}
static void mock_bind_ppgtt(struct i915_address_space *vm,
struct i915_vm_pt_stash *stash,
struct i915_vma_resource *vma_res,
enum i915_cache_level cache_level,
u32 flags)
{
GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
vma_res->bound_flags |= flags;
}
static void mock_unbind_ppgtt(struct i915_address_space *vm,
struct i915_vma_resource *vma_res)
{
}
static void mock_cleanup(struct i915_address_space *vm)
{
}
static void mock_clear_range(struct i915_address_space *vm,
u64 start, u64 length)
{
}
struct i915_ppgtt *mock_ppgtt(struct drm_i915_private *i915, const char *name)
{
struct i915_ppgtt *ppgtt;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return NULL;
ppgtt->vm.gt = to_gt(i915);
ppgtt->vm.i915 = i915;
ppgtt->vm.total = round_down(U64_MAX, PAGE_SIZE);
ppgtt->vm.dma = i915->drm.dev;
i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);
ppgtt->vm.alloc_pt_dma = alloc_pt_dma;
ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
ppgtt->vm.clear_range = mock_clear_range;
ppgtt->vm.insert_page = mock_insert_page;
ppgtt->vm.insert_entries = mock_insert_entries;
ppgtt->vm.cleanup = mock_cleanup;
ppgtt->vm.vma_ops.bind_vma = mock_bind_ppgtt;
ppgtt->vm.vma_ops.unbind_vma = mock_unbind_ppgtt;
return ppgtt;
}
static void mock_bind_ggtt(struct i915_address_space *vm,
struct i915_vm_pt_stash *stash,
struct i915_vma_resource *vma_res,
enum i915_cache_level cache_level,
u32 flags)
{
}
static void mock_unbind_ggtt(struct i915_address_space *vm,
struct i915_vma_resource *vma_res)
{
}
void mock_init_ggtt(struct intel_gt *gt)
{
struct i915_ggtt *ggtt = gt->ggtt;
ggtt->vm.gt = gt;
ggtt->vm.i915 = gt->i915;
ggtt->vm.is_ggtt = true;
ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
ggtt->mappable_end = resource_size(&ggtt->gmadr);
ggtt->vm.total = 4096 * PAGE_SIZE;
ggtt->vm.alloc_pt_dma = alloc_pt_dma;
ggtt->vm.alloc_scratch_dma = alloc_pt_dma;
ggtt->vm.clear_range = mock_clear_range;
ggtt->vm.insert_page = mock_insert_page;
ggtt->vm.insert_entries = mock_insert_entries;
ggtt->vm.cleanup = mock_cleanup;
ggtt->vm.vma_ops.bind_vma = mock_bind_ggtt;
ggtt->vm.vma_ops.unbind_vma = mock_unbind_ggtt;
i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT);
}
void mock_fini_ggtt(struct i915_ggtt *ggtt)
{
i915_address_space_fini(&ggtt->vm);
}
|
