120 static inline u32 pci_endpoint_test_readl(struct pci_endpoint_test *test,  in pci_endpoint_test_readl()  argument
123 	return readl(test->base + offset);  in pci_endpoint_test_readl()
126 static inline void pci_endpoint_test_writel(struct pci_endpoint_test *test,  in pci_endpoint_test_writel()  argument
129 	writel(value, test->base + offset);  in pci_endpoint_test_writel()
132 static inline u32 pci_endpoint_test_bar_readl(struct pci_endpoint_test *test,  in pci_endpoint_test_bar_readl()  argument
135 	return readl(test->bar[bar] + offset);  in pci_endpoint_test_bar_readl()
138 static inline void pci_endpoint_test_bar_writel(struct pci_endpoint_test *test,  in pci_endpoint_test_bar_writel()  argument
141 	writel(value, test->bar[bar] + offset);  in pci_endpoint_test_bar_writel()
146 	struct pci_endpoint_test *test = dev_id;  in pci_endpoint_test_irqhandler()  local
149 	reg = pci_endpoint_test_readl(test, PCI_ENDPOINT_TEST_STATUS);  in pci_endpoint_test_irqhandler()
151 		test->last_irq = irq;  in pci_endpoint_test_irqhandler()
152 		complete(&test->irq_raised);  in pci_endpoint_test_irqhandler()
155 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_STATUS,  in pci_endpoint_test_irqhandler()
161 static void pci_endpoint_test_free_irq_vectors(struct pci_endpoint_test *test)  in pci_endpoint_test_free_irq_vectors()  argument
163 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_free_irq_vectors()
168 static bool pci_endpoint_test_alloc_irq_vectors(struct pci_endpoint_test *test,  in pci_endpoint_test_alloc_irq_vectors()  argument
172 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_alloc_irq_vectors()
200 	test->num_irqs = irq;  in pci_endpoint_test_alloc_irq_vectors()
205 static void pci_endpoint_test_release_irq(struct pci_endpoint_test *test)  in pci_endpoint_test_release_irq()  argument
208 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_release_irq()
211 	for (i = 0; i < test->num_irqs; i++)  in pci_endpoint_test_release_irq()
212 		devm_free_irq(dev, pci_irq_vector(pdev, i), test);  in pci_endpoint_test_release_irq()
214 	test->num_irqs = 0;  in pci_endpoint_test_release_irq()
217 static bool pci_endpoint_test_request_irq(struct pci_endpoint_test *test)  in pci_endpoint_test_request_irq()  argument
221 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_request_irq()
224 	for (i = 0; i < test->num_irqs; i++) {  in pci_endpoint_test_request_irq()
227 				       IRQF_SHARED, DRV_MODULE_NAME, test);  in pci_endpoint_test_request_irq()
255 static bool pci_endpoint_test_bar(struct pci_endpoint_test *test,  in pci_endpoint_test_bar()  argument
261 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_bar()
263 	if (!test->bar[barno])  in pci_endpoint_test_bar()
268 	if (barno == test->test_reg_bar)  in pci_endpoint_test_bar()
272 		pci_endpoint_test_bar_writel(test, barno, j, 0xA0A0A0A0);  in pci_endpoint_test_bar()
275 		val = pci_endpoint_test_bar_readl(test, barno, j);  in pci_endpoint_test_bar()
283 static bool pci_endpoint_test_legacy_irq(struct pci_endpoint_test *test)  in pci_endpoint_test_legacy_irq()  argument
287 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_TYPE,  in pci_endpoint_test_legacy_irq()
289 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_NUMBER, 0);  in pci_endpoint_test_legacy_irq()
290 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,  in pci_endpoint_test_legacy_irq()
292 	val = wait_for_completion_timeout(&test->irq_raised,  in pci_endpoint_test_legacy_irq()
300 static bool pci_endpoint_test_msi_irq(struct pci_endpoint_test *test,  in pci_endpoint_test_msi_irq()  argument
304 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_msi_irq()
306 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_TYPE,  in pci_endpoint_test_msi_irq()
309 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_NUMBER, msi_num);  in pci_endpoint_test_msi_irq()
310 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,  in pci_endpoint_test_msi_irq()
313 	val = wait_for_completion_timeout(&test->irq_raised,  in pci_endpoint_test_msi_irq()
318 	if (pci_irq_vector(pdev, msi_num - 1) == test->last_irq)  in pci_endpoint_test_msi_irq()
324 static bool pci_endpoint_test_copy(struct pci_endpoint_test *test, size_t size)  in pci_endpoint_test_copy()  argument
331 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_copy()
338 	size_t alignment = test->alignment;  in pci_endpoint_test_copy()
367 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_LOWER_SRC_ADDR,  in pci_endpoint_test_copy()
370 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_UPPER_SRC_ADDR,  in pci_endpoint_test_copy()
393 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_LOWER_DST_ADDR,  in pci_endpoint_test_copy()
395 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_UPPER_DST_ADDR,  in pci_endpoint_test_copy()
398 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE,  in pci_endpoint_test_copy()
401 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_TYPE, irq_type);  in pci_endpoint_test_copy()
402 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_NUMBER, 1);  in pci_endpoint_test_copy()
403 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,  in pci_endpoint_test_copy()
406 	wait_for_completion(&test->irq_raised);  in pci_endpoint_test_copy()
423 static bool pci_endpoint_test_write(struct pci_endpoint_test *test, size_t size)  in pci_endpoint_test_write()  argument
429 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_write()
434 	size_t alignment = test->alignment;  in pci_endpoint_test_write()
465 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_CHECKSUM,  in pci_endpoint_test_write()
468 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_LOWER_SRC_ADDR,  in pci_endpoint_test_write()
470 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_UPPER_SRC_ADDR,  in pci_endpoint_test_write()
473 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE, size);  in pci_endpoint_test_write()
475 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_TYPE, irq_type);  in pci_endpoint_test_write()
476 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_NUMBER, 1);  in pci_endpoint_test_write()
477 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,  in pci_endpoint_test_write()
480 	wait_for_completion(&test->irq_raised);  in pci_endpoint_test_write()
482 	reg = pci_endpoint_test_readl(test, PCI_ENDPOINT_TEST_STATUS);  in pci_endpoint_test_write()
492 static bool pci_endpoint_test_read(struct pci_endpoint_test *test, size_t size)  in pci_endpoint_test_read()  argument
497 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_read()
502 	size_t alignment = test->alignment;  in pci_endpoint_test_read()
530 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_LOWER_DST_ADDR,  in pci_endpoint_test_read()
532 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_UPPER_DST_ADDR,  in pci_endpoint_test_read()
535 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_SIZE, size);  in pci_endpoint_test_read()
537 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_TYPE, irq_type);  in pci_endpoint_test_read()
538 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_IRQ_NUMBER, 1);  in pci_endpoint_test_read()
539 	pci_endpoint_test_writel(test, PCI_ENDPOINT_TEST_COMMAND,  in pci_endpoint_test_read()
542 	wait_for_completion(&test->irq_raised);  in pci_endpoint_test_read()
545 	if (crc32 == pci_endpoint_test_readl(test, PCI_ENDPOINT_TEST_CHECKSUM))  in pci_endpoint_test_read()
553 static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,  in pci_endpoint_test_set_irq()  argument
556 	struct pci_dev *pdev = test->pdev;  in pci_endpoint_test_set_irq()
567 	pci_endpoint_test_release_irq(test);  in pci_endpoint_test_set_irq()
568 	pci_endpoint_test_free_irq_vectors(test);  in pci_endpoint_test_set_irq()
570 	if (!pci_endpoint_test_alloc_irq_vectors(test, req_irq_type))  in pci_endpoint_test_set_irq()
573 	if (!pci_endpoint_test_request_irq(test))  in pci_endpoint_test_set_irq()
580 	pci_endpoint_test_free_irq_vectors(test);  in pci_endpoint_test_set_irq()
590 	struct pci_endpoint_test *test = to_endpoint_test(file->private_data);  in pci_endpoint_test_ioctl()  local
592 	mutex_lock(&test->mutex);  in pci_endpoint_test_ioctl()
598 		ret = pci_endpoint_test_bar(test, bar);  in pci_endpoint_test_ioctl()
601 		ret = pci_endpoint_test_legacy_irq(test);  in pci_endpoint_test_ioctl()
605 		ret = pci_endpoint_test_msi_irq(test, arg, cmd == PCITEST_MSIX);  in pci_endpoint_test_ioctl()
608 		ret = pci_endpoint_test_write(test, arg);  in pci_endpoint_test_ioctl()
611 		ret = pci_endpoint_test_read(test, arg);  in pci_endpoint_test_ioctl()
614 		ret = pci_endpoint_test_copy(test, arg);  in pci_endpoint_test_ioctl()
617 		ret = pci_endpoint_test_set_irq(test, arg);  in pci_endpoint_test_ioctl()
625 	mutex_unlock(&test->mutex);  in pci_endpoint_test_ioctl()
643 	struct pci_endpoint_test *test;  in pci_endpoint_test_probe()  local
651 	test = devm_kzalloc(dev, sizeof(*test), GFP_KERNEL);  in pci_endpoint_test_probe()
652 	if (!test)  in pci_endpoint_test_probe()
655 	test->test_reg_bar = 0;  in pci_endpoint_test_probe()
656 	test->alignment = 0;  in pci_endpoint_test_probe()
657 	test->pdev = pdev;  in pci_endpoint_test_probe()
665 		test->alignment = data->alignment;  in pci_endpoint_test_probe()
669 	init_completion(&test->irq_raised);  in pci_endpoint_test_probe()
670 	mutex_init(&test->mutex);  in pci_endpoint_test_probe()
686 	if (!pci_endpoint_test_alloc_irq_vectors(test, irq_type))  in pci_endpoint_test_probe()
689 	if (!pci_endpoint_test_request_irq(test))  in pci_endpoint_test_probe()
699 			test->bar[bar] = base;  in pci_endpoint_test_probe()
703 	test->base = test->bar[test_reg_bar];  in pci_endpoint_test_probe()
704 	if (!test->base) {  in pci_endpoint_test_probe()
711 	pci_set_drvdata(pdev, test);  in pci_endpoint_test_probe()
721 	misc_device = &test->miscdev;  in pci_endpoint_test_probe()
746 		if (test->bar[bar])  in pci_endpoint_test_probe()
747 			pci_iounmap(pdev, test->bar[bar]);  in pci_endpoint_test_probe()
749 	pci_endpoint_test_release_irq(test);  in pci_endpoint_test_probe()
752 	pci_endpoint_test_free_irq_vectors(test);  in pci_endpoint_test_probe()
765 	struct pci_endpoint_test *test = pci_get_drvdata(pdev);  in pci_endpoint_test_remove()  local
766 	struct miscdevice *misc_device = &test->miscdev;  in pci_endpoint_test_remove()
773 	misc_deregister(&test->miscdev);  in pci_endpoint_test_remove()
777 		if (test->bar[bar])  in pci_endpoint_test_remove()
778 			pci_iounmap(pdev, test->bar[bar]);  in pci_endpoint_test_remove()
781 	pci_endpoint_test_release_irq(test);  in pci_endpoint_test_remove()
782 	pci_endpoint_test_free_irq_vectors(test);  in pci_endpoint_test_remove()