This source file includes following definitions.
- mock_context
- mock_context_close
- mock_init_contexts
- live_context
- kernel_context
- kernel_context_close
1
2
3
4
5
6
7 #include "mock_context.h"
8 #include "selftests/mock_gtt.h"
9
10 struct i915_gem_context *
11 mock_context(struct drm_i915_private *i915,
12 const char *name)
13 {
14 struct i915_gem_context *ctx;
15 struct i915_gem_engines *e;
16 int ret;
17
18 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
19 if (!ctx)
20 return NULL;
21
22 kref_init(&ctx->ref);
23 INIT_LIST_HEAD(&ctx->link);
24 ctx->i915 = i915;
25
26 mutex_init(&ctx->engines_mutex);
27 e = default_engines(ctx);
28 if (IS_ERR(e))
29 goto err_free;
30 RCU_INIT_POINTER(ctx->engines, e);
31
32 INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
33 INIT_LIST_HEAD(&ctx->hw_id_link);
34 mutex_init(&ctx->mutex);
35
36 ret = i915_gem_context_pin_hw_id(ctx);
37 if (ret < 0)
38 goto err_engines;
39
40 if (name) {
41 struct i915_ppgtt *ppgtt;
42
43 ctx->name = kstrdup(name, GFP_KERNEL);
44 if (!ctx->name)
45 goto err_put;
46
47 ppgtt = mock_ppgtt(i915, name);
48 if (!ppgtt)
49 goto err_put;
50
51 __set_ppgtt(ctx, &ppgtt->vm);
52 i915_vm_put(&ppgtt->vm);
53 }
54
55 return ctx;
56
57 err_engines:
58 free_engines(rcu_access_pointer(ctx->engines));
59 err_free:
60 kfree(ctx);
61 return NULL;
62
63 err_put:
64 i915_gem_context_set_closed(ctx);
65 i915_gem_context_put(ctx);
66 return NULL;
67 }
68
69 void mock_context_close(struct i915_gem_context *ctx)
70 {
71 context_close(ctx);
72 }
73
74 void mock_init_contexts(struct drm_i915_private *i915)
75 {
76 init_contexts(i915);
77 }
78
79 struct i915_gem_context *
80 live_context(struct drm_i915_private *i915, struct drm_file *file)
81 {
82 struct i915_gem_context *ctx;
83 int err;
84
85 lockdep_assert_held(&i915->drm.struct_mutex);
86
87 ctx = i915_gem_create_context(i915, 0);
88 if (IS_ERR(ctx))
89 return ctx;
90
91 err = gem_context_register(ctx, file->driver_priv);
92 if (err < 0)
93 goto err_ctx;
94
95 return ctx;
96
97 err_ctx:
98 context_close(ctx);
99 return ERR_PTR(err);
100 }
101
102 struct i915_gem_context *
103 kernel_context(struct drm_i915_private *i915)
104 {
105 return i915_gem_context_create_kernel(i915, I915_PRIORITY_NORMAL);
106 }
107
108 void kernel_context_close(struct i915_gem_context *ctx)
109 {
110 context_close(ctx);
111 }