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
|
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2016 Intel Corporation
*/
#include "mock_context.h"
#include "selftests/mock_drm.h"
#include "selftests/mock_gtt.h"
struct i915_gem_context *
mock_context(struct drm_i915_private *i915,
const char *name)
{
struct i915_gem_context *ctx;
struct i915_gem_engines *e;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return NULL;
kref_init(&ctx->ref);
INIT_LIST_HEAD(&ctx->link);
ctx->i915 = i915;
spin_lock_init(&ctx->stale.lock);
INIT_LIST_HEAD(&ctx->stale.engines);
i915_gem_context_set_persistence(ctx);
mutex_init(&ctx->engines_mutex);
e = default_engines(ctx);
if (IS_ERR(e))
goto err_free;
RCU_INIT_POINTER(ctx->engines, e);
INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
mutex_init(&ctx->mutex);
if (name) {
struct i915_ppgtt *ppgtt;
strncpy(ctx->name, name, sizeof(ctx->name) - 1);
ppgtt = mock_ppgtt(i915, name);
if (!ppgtt)
goto err_put;
mutex_lock(&ctx->mutex);
__set_ppgtt(ctx, &ppgtt->vm);
mutex_unlock(&ctx->mutex);
i915_vm_put(&ppgtt->vm);
}
return ctx;
err_free:
kfree(ctx);
return NULL;
err_put:
i915_gem_context_set_closed(ctx);
i915_gem_context_put(ctx);
return NULL;
}
void mock_context_close(struct i915_gem_context *ctx)
{
context_close(ctx);
}
void mock_init_contexts(struct drm_i915_private *i915)
{
init_contexts(&i915->gem.contexts);
}
struct i915_gem_context *
live_context(struct drm_i915_private *i915, struct file *file)
{
struct i915_gem_context *ctx;
int err;
u32 id;
ctx = i915_gem_create_context(i915, 0);
if (IS_ERR(ctx))
return ctx;
i915_gem_context_set_no_error_capture(ctx);
err = gem_context_register(ctx, to_drm_file(file)->driver_priv, &id);
if (err < 0)
goto err_ctx;
return ctx;
err_ctx:
context_close(ctx);
return ERR_PTR(err);
}
struct i915_gem_context *
kernel_context(struct drm_i915_private *i915)
{
struct i915_gem_context *ctx;
ctx = i915_gem_create_context(i915, 0);
if (IS_ERR(ctx))
return ctx;
i915_gem_context_clear_bannable(ctx);
i915_gem_context_set_persistence(ctx);
i915_gem_context_set_no_error_capture(ctx);
return ctx;
}
void kernel_context_close(struct i915_gem_context *ctx)
{
context_close(ctx);
}
|
