1 /* $NetBSD: mock_request.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $ */ 2 3 /* 4 * Copyright © 2016 Intel Corporation 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 23 * IN THE SOFTWARE. 24 * 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: mock_request.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $"); 29 30 #include "gem/selftests/igt_gem_utils.h" 31 #include "gt/mock_engine.h" 32 33 #include "mock_request.h" 34 35 struct i915_request * 36 mock_request(struct intel_context *ce, unsigned long delay) 37 { 38 struct i915_request *request; 39 40 /* NB the i915->requests slab cache is enlarged to fit mock_request */ 41 request = intel_context_create_request(ce); 42 if (IS_ERR(request)) 43 return NULL; 44 45 request->mock.delay = delay; 46 return request; 47 } 48 49 bool mock_cancel_request(struct i915_request *request) 50 { 51 struct mock_engine *engine = 52 container_of(request->engine, typeof(*engine), base); 53 bool was_queued; 54 55 spin_lock_irq(&engine->hw_lock); 56 was_queued = !list_empty(&request->mock.link); 57 list_del_init(&request->mock.link); 58 spin_unlock_irq(&engine->hw_lock); 59 60 if (was_queued) 61 i915_request_unsubmit(request); 62 63 return was_queued; 64 } 65