16 #include <linux/msi.h>
109 /* MSI interrupt status mask bits */
146 struct nwl_msi {			/* MSI information */
170 	struct nwl_msi msi;  member
345 	struct nwl_msi *msi;  in nwl_pcie_handle_msi_irq()  local
350 	msi = &pcie->msi;  in nwl_pcie_handle_msi_irq()
355 			virq = irq_find_mapping(msi->dev_domain, bit);  in nwl_pcie_handle_msi_irq()
439 	.name = "nwl_pcie:msi",
470 	.name = "Xilinx MSI",
479 	struct nwl_msi *msi = &pcie->msi;  in nwl_irq_domain_alloc()  local
483 	mutex_lock(&msi->lock);  in nwl_irq_domain_alloc()
484 	bit = bitmap_find_free_region(msi->bitmap, INT_PCI_MSI_NR,  in nwl_irq_domain_alloc()
487 		mutex_unlock(&msi->lock);  in nwl_irq_domain_alloc()
496 	mutex_unlock(&msi->lock);  in nwl_irq_domain_alloc()
505 	struct nwl_msi *msi = &pcie->msi;  in nwl_irq_domain_free()  local
507 	mutex_lock(&msi->lock);  in nwl_irq_domain_free()
508 	bitmap_release_region(msi->bitmap, data->hwirq,  in nwl_irq_domain_free()
510 	mutex_unlock(&msi->lock);  in nwl_irq_domain_free()
523 	struct nwl_msi *msi = &pcie->msi;  in nwl_pcie_init_msi_irq_domain()  local
525 	msi->dev_domain = irq_domain_add_linear(NULL, INT_PCI_MSI_NR,  in nwl_pcie_init_msi_irq_domain()
527 	if (!msi->dev_domain) {  in nwl_pcie_init_msi_irq_domain()
531 	msi->msi_domain = pci_msi_create_irq_domain(fwnode,  in nwl_pcie_init_msi_irq_domain()
533 						    msi->dev_domain);  in nwl_pcie_init_msi_irq_domain()
534 	if (!msi->msi_domain) {  in nwl_pcie_init_msi_irq_domain()
535 		dev_err(dev, "failed to create msi IRQ domain\n");  in nwl_pcie_init_msi_irq_domain()
536 		irq_domain_remove(msi->dev_domain);  in nwl_pcie_init_msi_irq_domain()
574 	struct nwl_msi *msi = &pcie->msi;  in nwl_pcie_enable_msi()  local
579 	mutex_init(&msi->lock);  in nwl_pcie_enable_msi()
581 	msi->bitmap = kzalloc(size, GFP_KERNEL);  in nwl_pcie_enable_msi()
582 	if (!msi->bitmap)  in nwl_pcie_enable_msi()
586 	msi->irq_msi1 = platform_get_irq_byname(pdev, "msi1");  in nwl_pcie_enable_msi()
587 	if (msi->irq_msi1 < 0) {  in nwl_pcie_enable_msi()
592 	irq_set_chained_handler_and_data(msi->irq_msi1,  in nwl_pcie_enable_msi()
596 	msi->irq_msi0 = platform_get_irq_byname(pdev, "msi0");  in nwl_pcie_enable_msi()
597 	if (msi->irq_msi0 < 0) {  in nwl_pcie_enable_msi()
602 	irq_set_chained_handler_and_data(msi->irq_msi0,  in nwl_pcie_enable_msi()
608 		dev_err(dev, "MSI not present\n");  in nwl_pcie_enable_msi()
627 	 * For high range MSI interrupts: disable, clear any pending,  in nwl_pcie_enable_msi()
638 	 * For low range MSI interrupts: disable, clear any pending,  in nwl_pcie_enable_msi()
650 	kfree(msi->bitmap);  in nwl_pcie_enable_msi()
651 	msi->bitmap = NULL;  in nwl_pcie_enable_msi()
858 			dev_err(dev, "failed to enable MSI support: %d\n", err);  in nwl_pcie_probe()