drivers/thunderbolt/dma_test.c

71  * @svc: XDomain service the driver is bound to
93 	const struct tb_service *svc;
225 		dev_warn(&dt->svc->dev, "failed to disable DMA paths\n");
247 	dev_dbg(&dt->svc->dev, "packet %u/%u received\n", dt->packets_received,
349 		dev_dbg(&dt->svc->dev, "packet %u/%u sent\n", dt->packets_sent,
361 	struct tb_service *svc = data;				\
362 	struct dma_test *dt = tb_service_get_drvdata(svc);	\
374 	struct tb_service *svc = data;				\
375 	struct dma_test *dt = tb_service_get_drvdata(svc);	\
509 	struct tb_service *svc = data;
510 	struct dma_test *dt = tb_service_get_drvdata(svc);
527 	dev_dbg(&svc->dev, "DMA test starting\n");
529 		dev_dbg(&svc->dev, "link_speed: %u Gb/s\n", dt->link_speed);
531 		dev_dbg(&svc->dev, "link_width: %u\n", dt->link_width);
532 	dev_dbg(&svc->dev, "packets_to_send: %u\n", dt->packets_to_send);
533 	dev_dbg(&svc->dev, "packets_to_receive: %u\n", dt->packets_to_receive);
536 		dev_err(&svc->dev, "invalid test configuration\n");
543 		dev_err(&svc->dev, "failed to set lanes\n");
550 		dev_err(&svc->dev, "failed to enable DMA rings\n");
559 			dev_err(&svc->dev, "failed to submit receive buffers\n");
568 			dev_err(&svc->dev, "failed to submit transmit buffers\n");
588 	dev_dbg(&svc->dev, "DMA test %s\n", dma_test_result_names[dt->result]);
595 	struct tb_service *svc = s->private;
596 	struct dma_test *dt = tb_service_get_drvdata(svc);
620 static void dma_test_debugfs_init(struct tb_service *svc)
622 	struct dma_test *dt = tb_service_get_drvdata(svc);
624 	dt->debugfs_dir = debugfs_create_dir("dma_test", svc->debugfs_dir);
626 	debugfs_create_file("lanes", 0600, dt->debugfs_dir, svc, &lanes_fops);
627 	debugfs_create_file("speed", 0600, dt->debugfs_dir, svc, &speed_fops);
628 	debugfs_create_file("packets_to_receive", 0600, dt->debugfs_dir, svc,
630 	debugfs_create_file("packets_to_send", 0600, dt->debugfs_dir, svc,
632 	debugfs_create_file("status", 0400, dt->debugfs_dir, svc, &status_fops);
633 	debugfs_create_file("test", 0200, dt->debugfs_dir, svc, &test_fops);
636 static int dma_test_probe(struct tb_service *svc, const struct tb_service_id *id)
638 	struct tb_xdomain *xd = tb_service_parent(svc);
641 	dt = devm_kzalloc(&svc->dev, sizeof(*dt), GFP_KERNEL);
645 	dt->svc = svc;
650 	tb_service_set_drvdata(svc, dt);
651 	dma_test_debugfs_init(svc);
656 static void dma_test_remove(struct tb_service *svc)
658 	struct dma_test *dt = tb_service_get_drvdata(svc);