2 * SPDX-License-Identifier: MIT
4 * Copyright © 2016 Intel Corporation
7 #include "mock_context.h"
8 #include "selftests/mock_drm.h"
9 #include "selftests/mock_gtt.h"
11 struct i915_gem_context *
12 mock_context(struct drm_i915_private *i915,
15 struct i915_gem_context *ctx;
16 struct i915_gem_engines *e;
18 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
23 INIT_LIST_HEAD(&ctx->link);
26 mutex_init(&ctx->mutex);
28 spin_lock_init(&ctx->stale.lock);
29 INIT_LIST_HEAD(&ctx->stale.engines);
31 i915_gem_context_set_persistence(ctx);
33 mutex_init(&ctx->engines_mutex);
34 e = default_engines(ctx);
37 RCU_INIT_POINTER(ctx->engines, e);
39 INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
40 mutex_init(&ctx->lut_mutex);
43 struct i915_ppgtt *ppgtt;
45 strncpy(ctx->name, name, sizeof(ctx->name) - 1);
47 ppgtt = mock_ppgtt(i915, name);
51 mutex_lock(&ctx->mutex);
52 __set_ppgtt(ctx, &ppgtt->vm);
53 mutex_unlock(&ctx->mutex);
55 i915_vm_put(&ppgtt->vm);
65 i915_gem_context_set_closed(ctx);
66 i915_gem_context_put(ctx);
70 void mock_context_close(struct i915_gem_context *ctx)
75 void mock_init_contexts(struct drm_i915_private *i915)
77 init_contexts(&i915->gem.contexts);
80 struct i915_gem_context *
81 live_context(struct drm_i915_private *i915, struct file *file)
83 struct i915_gem_context *ctx;
87 ctx = i915_gem_create_context(i915, 0);
91 i915_gem_context_set_no_error_capture(ctx);
93 err = gem_context_register(ctx, to_drm_file(file)->driver_priv, &id);
104 struct i915_gem_context *
105 live_context_for_engine(struct intel_engine_cs *engine, struct file *file)
107 struct i915_gem_engines *engines;
108 struct i915_gem_context *ctx;
109 struct intel_context *ce;
111 engines = alloc_engines(1);
113 return ERR_PTR(-ENOMEM);
115 ctx = live_context(engine->i915, file);
117 __free_engines(engines, 0);
121 ce = intel_context_create(engine);
123 __free_engines(engines, 0);
127 intel_context_set_gem(ce, ctx);
128 engines->engines[0] = ce;
129 engines->num_engines = 1;
131 mutex_lock(&ctx->engines_mutex);
132 i915_gem_context_set_user_engines(ctx);
133 engines = rcu_replace_pointer(ctx->engines, engines, 1);
134 mutex_unlock(&ctx->engines_mutex);
136 engines_idle_release(ctx, engines);
141 struct i915_gem_context *
142 kernel_context(struct drm_i915_private *i915)
144 struct i915_gem_context *ctx;
146 ctx = i915_gem_create_context(i915, 0);
150 i915_gem_context_clear_bannable(ctx);
151 i915_gem_context_set_persistence(ctx);
152 i915_gem_context_set_no_error_capture(ctx);
157 void kernel_context_close(struct i915_gem_context *ctx)