diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/mock_request.c')
-rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_request.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_request.c b/drivers/gpu/drm/i915/selftests/mock_request.c new file mode 100644 index 000000000..0dc29e242 --- /dev/null +++ b/drivers/gpu/drm/i915/selftests/mock_request.c @@ -0,0 +1,63 @@ +/* + * 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_engine.h" +#include "mock_request.h" + +struct i915_request * +mock_request(struct intel_engine_cs *engine, + struct i915_gem_context *context, + unsigned long delay) +{ + struct i915_request *request; + struct mock_request *mock; + + /* NB the i915->requests slab cache is enlarged to fit mock_request */ + request = i915_request_alloc(engine, context); + if (IS_ERR(request)) + return NULL; + + mock = container_of(request, typeof(*mock), base); + mock->delay = delay; + + return &mock->base; +} + +bool mock_cancel_request(struct i915_request *request) +{ + struct mock_request *mock = container_of(request, typeof(*mock), base); + struct mock_engine *engine = + container_of(request->engine, typeof(*engine), base); + bool was_queued; + + spin_lock_irq(&engine->hw_lock); + was_queued = !list_empty(&mock->link); + list_del_init(&mock->link); + spin_unlock_irq(&engine->hw_lock); + + if (was_queued) + i915_request_unsubmit(request); + + return was_queued; +} |