72 emit_recursive_batch(igt_spin_t *spin,  in emit_recursive_batch()  argument
103 	memset(&spin->execbuf, 0, sizeof(spin->execbuf));  in emit_recursive_batch()
104 	execbuf = &spin->execbuf;  in emit_recursive_batch()
105 	memset(spin->obj, 0, sizeof(spin->obj));  in emit_recursive_batch()
106 	obj = spin->obj;  in emit_recursive_batch()
146 		spin->poll_handle = gem_create(fd, 4096);  in emit_recursive_batch()
147 		obj[SCRATCH].handle = spin->poll_handle;  in emit_recursive_batch()
149 		if (__gem_set_caching(fd, spin->poll_handle,  in emit_recursive_batch()
151 			spin->poll = gem_mmap__cpu(fd, spin->poll_handle,  in emit_recursive_batch()
155 			spin->poll = gem_mmap__wc(fd, spin->poll_handle,  in emit_recursive_batch()
159 		igt_assert_eq(spin->poll[SPIN_POLL_START_IDX], 0);  in emit_recursive_batch()
186 	spin->handle = obj[BATCH].handle;  in emit_recursive_batch()
189 	spin->condition = batch + LOOP_START_OFFSET / sizeof(*cs);  in emit_recursive_batch()
190 	cs = spin->condition;  in emit_recursive_batch()
265 	for (i = 0; i < ARRAY_SIZE(spin->obj); i++) {  in emit_recursive_batch()
266 		spin->obj[i].relocation_count = 0;  in emit_recursive_batch()
267 		spin->obj[i].relocs_ptr = 0;  in emit_recursive_batch()
268 		spin->obj[i].flags = EXEC_OBJECT_PINNED;  in emit_recursive_batch()
271 	spin->cmd_precondition = *spin->condition;  in emit_recursive_batch()
279 	igt_spin_t *spin;  in spin_create()  local
281 	spin = calloc(1, sizeof(struct igt_spin));  in spin_create()
282 	igt_assert(spin);  in spin_create()
284 	spin->out_fence = emit_recursive_batch(spin, fd, opts);  in spin_create()
287 	igt_list_add(&spin->link, &spin_list);  in spin_create()
290 	return spin;  in spin_create()
314 	igt_spin_t *spin;  in igt_spin_factory()  local
334 	spin = spin_create(fd, opts);  in igt_spin_factory()
336 	igt_assert(gem_bo_busy(fd, spin->handle));  in igt_spin_factory()
338 		struct pollfd pfd = { spin->out_fence, POLLIN };  in igt_spin_factory()
343 	return spin;  in igt_spin_factory()
348 	igt_spin_t *spin = arg.sival_ptr;  in notify()  local
350 	igt_spin_end(spin);  in notify()
362 void igt_spin_set_timeout(igt_spin_t *spin, int64_t ns)  in igt_spin_set_timeout()  argument
369 	if (!spin)  in igt_spin_set_timeout()
372 	igt_assert(!spin->timer);  in igt_spin_set_timeout()
376 	sev.sigev_value.sival_ptr = spin;  in igt_spin_set_timeout()
386 	spin->timer = timer;  in igt_spin_set_timeout()
395 void igt_spin_reset(igt_spin_t *spin)  in igt_spin_reset()  argument
397 	if (igt_spin_has_poll(spin))  in igt_spin_reset()
398 		spin->poll[SPIN_POLL_START_IDX] = 0;  in igt_spin_reset()
400 	*spin->condition = spin->cmd_precondition;  in igt_spin_reset()
410 void igt_spin_end(igt_spin_t *spin)  in igt_spin_end()  argument
412 	if (!spin)  in igt_spin_end()
415 	*spin->condition = MI_BATCH_BUFFER_END;  in igt_spin_end()
427 void igt_spin_free(int fd, igt_spin_t *spin)  in igt_spin_free()  argument
429 	if (!spin)  in igt_spin_free()
433 	igt_list_del(&spin->link);  in igt_spin_free()
436 	if (spin->timer)  in igt_spin_free()
437 		timer_delete(spin->timer);  in igt_spin_free()
439 	igt_spin_end(spin);  in igt_spin_free()
440 	gem_munmap((void *)((unsigned long)spin->condition & (~4095UL)),  in igt_spin_free()
443 	if (spin->poll) {  in igt_spin_free()
444 		gem_munmap(spin->poll, 4096);  in igt_spin_free()
445 		gem_close(fd, spin->poll_handle);  in igt_spin_free()
448 	gem_close(fd, spin->handle);  in igt_spin_free()
450 	if (spin->out_fence >= 0)  in igt_spin_free()
451 		close(spin->out_fence);  in igt_spin_free()
453 	free(spin);  in igt_spin_free()