44 #define engine_class(e, n) ((e)->engines[(n)].engine_class)
45 #define engine_instance(e, n) ((e)->engines[(n)].engine_instance)
58 	struct i915_context_param_engines stack = {}, *engines;  in invalid_engines()  local
87 	engines = ptr + 4096;  in invalid_engines()
90 	param.size = sizeof(*engines) + sizeof(*engines->engines);  in invalid_engines()
91 	param.value = to_user_pointer(engines);  in invalid_engines()
93 	engines->engines[0].engine_class = -1;  in invalid_engines()
96 	mprotect(engines, 4096, PROT_READ);  in invalid_engines()
99 	mprotect(engines, 4096, PROT_WRITE);  in invalid_engines()
100 	engines->engines[0].engine_class = 0;  in invalid_engines()
104 	engines->extensions = to_user_pointer(ptr);  in invalid_engines()
107 	engines->extensions = 0;  in invalid_engines()
110 	param.value = to_user_pointer(engines - 1);  in invalid_engines()
113 	param.value = to_user_pointer(engines) - 1;  in invalid_engines()
116 	param.value = to_user_pointer(engines) - param.size +  1;  in invalid_engines()
119 	param.value = to_user_pointer(engines) + 4096;  in invalid_engines()
122 	param.value = to_user_pointer(engines) - param.size + 4096;  in invalid_engines()
125 	param.value = to_user_pointer(engines) - param.size + 4096 + 1;  in invalid_engines()
128 	param.value = to_user_pointer(engines) + 4096;  in invalid_engines()
131 	param.value = to_user_pointer(engines) + 4096 - 1;  in invalid_engines()
134 	param.value = to_user_pointer(engines) - 1;  in invalid_engines()
137 	param.value = to_user_pointer(engines - 1);  in invalid_engines()
140 	param.value = to_user_pointer(engines - 1) + 4096;  in invalid_engines()
143 	param.value = to_user_pointer(engines - 1) + 4096 - sizeof(*engines->engines) / 2;  in invalid_engines()
171 	munmap(engines, 4096);  in invalid_engines()
177 	I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);  in idempotent()
182 		.value = to_user_pointer(&engines),  in idempotent()
183 		.size = sizeof(engines),  in idempotent()
195 	memset(&engines, 0, sizeof(engines));  in idempotent()
197 		engines.engines[idx].engine_class = e->class;  in idempotent()
198 		engines.engines[idx].engine_instance = e->instance;  in idempotent()
201 	idx *= sizeof(*engines.engines);  in idempotent()
205 	memcpy(&expected, &engines, sizeof(expected));  in idempotent()
209 	igt_assert(!memcmp(&expected, &engines, idx));  in idempotent()
217 	igt_assert(!memcmp(&expected, &engines, idx));  in idempotent()
219 	memset(&engines, 0, sizeof(engines));  in idempotent()
220 	engines.engines[0].engine_class = I915_ENGINE_CLASS_INVALID;  in idempotent()
221 	engines.engines[0].engine_instance = I915_ENGINE_CLASS_INVALID_NONE;  in idempotent()
222 	idx = sizeof(*engines.engines);  in idempotent()
226 	memcpy(&expected, &engines, sizeof(expected));  in idempotent()
230 	igt_assert(!memcmp(&expected, &engines, idx));  in idempotent()
232 	memset(&engines, 0, sizeof(engines));  in idempotent()
233 	p.size = sizeof(engines);  in idempotent()
236 	memcpy(&expected, &engines, sizeof(expected));  in idempotent()
239 	igt_assert_eq(p.size, sizeof(engines));  in idempotent()
240 	igt_assert(!memcmp(&expected, &engines, idx));  in idempotent()
247 	I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);  in execute_one()
251 		.value = to_user_pointer(&engines),  in execute_one()
278 			memset(&engines, 0, sizeof(engines));  in execute_one()
279 			engine_class(&engines, 0) = e->class;  in execute_one()
280 			engine_instance(&engines, 0) = e->instance;  in execute_one()
281 			param.size = offsetof(typeof(engines), engines[1]);  in execute_one()
291 			memset(&engines.engines, -1, sizeof(engines.engines));  in execute_one()
293 				engine_class(&engines, i) = e->class;  in execute_one()
294 				engine_instance(&engines, i) = e->instance;  in execute_one()
332 	I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);  in execute_oneforall()
336 		.value = to_user_pointer(&engines),  in execute_oneforall()
337 		.size = sizeof(engines),  in execute_oneforall()
342 		memset(&engines, 0, sizeof(engines));  in execute_oneforall()
344 			engine_class(&engines, i) = e->class;  in execute_oneforall()
345 			engine_instance(&engines, i) = e->instance;  in execute_oneforall()
370 	I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);  in execute_allforone()
374 		.value = to_user_pointer(&engines),  in execute_allforone()
380 	memset(&engines, 0, sizeof(engines));  in execute_allforone()
382 		engine_class(&engines, i) = e->class;  in execute_allforone()
383 		engine_instance(&engines, i) = e->instance;  in execute_allforone()
421 	I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);  in independent()
425 		.value = to_user_pointer(&engines),  in independent()
426 		.size = sizeof(engines),  in independent()
447 	memset(&engines, 0, sizeof(engines)); /* All rcs0 */  in independent()