34 static void __iomem *cci_pci_ioremap_bar0(struct pci_dev *pcidev)  in cci_pci_ioremap_bar0()  argument
36 	if (pcim_iomap_regions(pcidev, BIT(0), DRV_NAME))  in cci_pci_ioremap_bar0()
39 	return pcim_iomap_table(pcidev)[0];  in cci_pci_ioremap_bar0()
42 static int cci_pci_alloc_irq(struct pci_dev *pcidev)  in cci_pci_alloc_irq()  argument
44 	int ret, nvec = pci_msix_vec_count(pcidev);  in cci_pci_alloc_irq()
47 		dev_dbg(&pcidev->dev, "fpga interrupt not supported\n");  in cci_pci_alloc_irq()
51 	ret = pci_alloc_irq_vectors(pcidev, nvec, nvec, PCI_IRQ_MSIX);  in cci_pci_alloc_irq()
58 static void cci_pci_free_irq(struct pci_dev *pcidev)  in cci_pci_free_irq()  argument
60 	pci_free_irq_vectors(pcidev);  in cci_pci_free_irq()
85 static int cci_init_drvdata(struct pci_dev *pcidev)  in cci_init_drvdata()  argument
89 	drvdata = devm_kzalloc(&pcidev->dev, sizeof(*drvdata), GFP_KERNEL);  in cci_init_drvdata()
93 	pci_set_drvdata(pcidev, drvdata);  in cci_init_drvdata()
98 static void cci_remove_feature_devs(struct pci_dev *pcidev)  in cci_remove_feature_devs()  argument
100 	struct cci_drvdata *drvdata = pci_get_drvdata(pcidev);  in cci_remove_feature_devs()
104 	cci_pci_free_irq(pcidev);  in cci_remove_feature_devs()
107 static int *cci_pci_create_irq_table(struct pci_dev *pcidev, unsigned int nvec)  in cci_pci_create_irq_table()  argument
117 		table[i] = pci_irq_vector(pcidev, i);  in cci_pci_create_irq_table()
123 static int cci_enumerate_feature_devs(struct pci_dev *pcidev)  in cci_enumerate_feature_devs()  argument
125 	struct cci_drvdata *drvdata = pci_get_drvdata(pcidev);  in cci_enumerate_feature_devs()
136 	info = dfl_fpga_enum_info_alloc(&pcidev->dev);  in cci_enumerate_feature_devs()
141 	nvec = cci_pci_alloc_irq(pcidev);  in cci_enumerate_feature_devs()
143 		dev_err(&pcidev->dev, "Fail to alloc irq %d.\n", nvec);  in cci_enumerate_feature_devs()
147 		irq_table = cci_pci_create_irq_table(pcidev, nvec);  in cci_enumerate_feature_devs()
160 	base = cci_pci_ioremap_bar0(pcidev);  in cci_enumerate_feature_devs()
172 		start = pci_resource_start(pcidev, 0);  in cci_enumerate_feature_devs()
173 		len = pci_resource_len(pcidev, 0);  in cci_enumerate_feature_devs()
199 			start = pci_resource_start(pcidev, bar) + offset;  in cci_enumerate_feature_devs()
200 			len = pci_resource_len(pcidev, bar) - offset;  in cci_enumerate_feature_devs()
205 		start = pci_resource_start(pcidev, 0);  in cci_enumerate_feature_devs()
206 		len = pci_resource_len(pcidev, 0);  in cci_enumerate_feature_devs()
215 	pcim_iounmap_regions(pcidev, BIT(0));  in cci_enumerate_feature_devs()
220 		dev_err(&pcidev->dev, "Enumeration failure\n");  in cci_enumerate_feature_devs()
229 		cci_pci_free_irq(pcidev);  in cci_enumerate_feature_devs()
237 int cci_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *pcidevid)  in cci_pci_probe()  argument
241 	ret = pcim_enable_device(pcidev);  in cci_pci_probe()
243 		dev_err(&pcidev->dev, "Failed to enable device %d.\n", ret);  in cci_pci_probe()
247 	ret = pci_enable_pcie_error_reporting(pcidev);  in cci_pci_probe()
249 		dev_info(&pcidev->dev, "PCIE AER unavailable %d.\n", ret);  in cci_pci_probe()
251 	pci_set_master(pcidev);  in cci_pci_probe()
253 	if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {  in cci_pci_probe()
254 		ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));  in cci_pci_probe()
257 	} else if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {  in cci_pci_probe()
258 		ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));  in cci_pci_probe()
263 		dev_err(&pcidev->dev, "No suitable DMA support available.\n");  in cci_pci_probe()
267 	ret = cci_init_drvdata(pcidev);  in cci_pci_probe()
269 		dev_err(&pcidev->dev, "Fail to init drvdata %d.\n", ret);  in cci_pci_probe()
273 	ret = cci_enumerate_feature_devs(pcidev);  in cci_pci_probe()
277 	dev_err(&pcidev->dev, "enumeration failure %d.\n", ret);  in cci_pci_probe()
280 	pci_disable_pcie_error_reporting(pcidev);  in cci_pci_probe()
284 static int cci_pci_sriov_configure(struct pci_dev *pcidev, int num_vfs)  in cci_pci_sriov_configure()  argument
286 	struct cci_drvdata *drvdata = pci_get_drvdata(pcidev);  in cci_pci_sriov_configure()
294 		pci_disable_sriov(pcidev);  in cci_pci_sriov_configure()
309 		ret = pci_enable_sriov(pcidev, num_vfs);  in cci_pci_sriov_configure()
319 static void cci_pci_remove(struct pci_dev *pcidev)  in cci_pci_remove()  argument
321 	if (dev_is_pf(&pcidev->dev))  in cci_pci_remove()
322 		cci_pci_sriov_configure(pcidev, 0);  in cci_pci_remove()
324 	cci_remove_feature_devs(pcidev);  in cci_pci_remove()
325 	pci_disable_pcie_error_reporting(pcidev);  in cci_pci_remove()