2 * SPDX-License-Identifier: MIT
4 * Copyright © 2016 Intel Corporation
7 #include "i915_file_private.h"
8 #include "mock_context.h"
9 #include "selftests/mock_drm.h"
10 #include "selftests/mock_gtt.h"
12 struct i915_gem_context *
13 mock_context(struct drm_i915_private *i915,
16 struct i915_gem_context *ctx;
17 struct i915_gem_engines *e;
18 struct intel_sseu null_sseu = {};
20 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
25 INIT_LIST_HEAD(&ctx->link);
27 INIT_WORK(&ctx->release_work, i915_gem_context_release_work);
29 mutex_init(&ctx->mutex);
31 spin_lock_init(&ctx->stale.lock);
32 INIT_LIST_HEAD(&ctx->stale.engines);
34 i915_gem_context_set_persistence(ctx);
37 struct i915_ppgtt *ppgtt;
39 strncpy(ctx->name, name, sizeof(ctx->name) - 1);
41 ppgtt = mock_ppgtt(i915, name);
48 mutex_init(&ctx->engines_mutex);
49 e = default_engines(ctx, null_sseu);
52 RCU_INIT_POINTER(ctx->engines, e);
54 INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
55 mutex_init(&ctx->lut_mutex);
67 void mock_context_close(struct i915_gem_context *ctx)
72 void mock_init_contexts(struct drm_i915_private *i915)
74 init_contexts(&i915->gem.contexts);
77 struct i915_gem_context *
78 live_context(struct drm_i915_private *i915, struct file *file)
80 struct drm_i915_file_private *fpriv = to_drm_file(file)->driver_priv;
81 struct i915_gem_proto_context *pc;
82 struct i915_gem_context *ctx;
86 pc = proto_context_create(i915, 0);
90 ctx = i915_gem_create_context(i915, pc);
91 proto_context_close(i915, pc);
95 i915_gem_context_set_no_error_capture(ctx);
97 err = xa_alloc(&fpriv->context_xa, &id, NULL, xa_limit_32b, GFP_KERNEL);
101 gem_context_register(ctx, fpriv, id);
110 struct i915_gem_context *
111 live_context_for_engine(struct intel_engine_cs *engine, struct file *file)
113 struct i915_gem_engines *engines;
114 struct i915_gem_context *ctx;
115 struct intel_sseu null_sseu = {};
116 struct intel_context *ce;
118 engines = alloc_engines(1);
120 return ERR_PTR(-ENOMEM);
122 ctx = live_context(engine->i915, file);
124 __free_engines(engines, 0);
128 ce = intel_context_create(engine);
130 __free_engines(engines, 0);
134 intel_context_set_gem(ce, ctx, null_sseu);
135 engines->engines[0] = ce;
136 engines->num_engines = 1;
138 mutex_lock(&ctx->engines_mutex);
139 i915_gem_context_set_user_engines(ctx);
140 engines = rcu_replace_pointer(ctx->engines, engines, 1);
141 mutex_unlock(&ctx->engines_mutex);
143 engines_idle_release(ctx, engines);
148 struct i915_gem_context *
149 kernel_context(struct drm_i915_private *i915,
150 struct i915_address_space *vm)
152 struct i915_gem_context *ctx;
153 struct i915_gem_proto_context *pc;
155 pc = proto_context_create(i915, 0);
162 pc->vm = i915_vm_get(vm);
165 ctx = i915_gem_create_context(i915, pc);
166 proto_context_close(i915, pc);
170 i915_gem_context_clear_bannable(ctx);
171 i915_gem_context_set_persistence(ctx);
172 i915_gem_context_set_no_error_capture(ctx);
177 void kernel_context_close(struct i915_gem_context *ctx)