Merge tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

[mirror_ubuntu-bionic-kernel.git] / include / linux / msi.h

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8974b2177b67c293020beb7104e429f332cb41e0..a2a0068a8387184eb65045f5597b99a410083f4c 100644 (file)
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -174,6 +174,7 @@ struct msi_controller {
 #include <asm/msi.h>
 
 struct irq_domain;
+struct irq_domain_ops;
 struct irq_chip;
 struct device_node;
 struct fwnode_handle;
@@ -279,6 +280,23 @@ struct irq_domain *platform_msi_create_irq_domain(struct fwnode_handle *fwnode,
 int platform_msi_domain_alloc_irqs(struct device *dev, unsigned int nvec,
                                   irq_write_msi_msg_t write_msi_msg);
 void platform_msi_domain_free_irqs(struct device *dev);
+
+/* When an MSI domain is used as an intermediate domain */
+int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
+                           int nvec, msi_alloc_info_t *args);
+int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
+                            int virq, int nvec, msi_alloc_info_t *args);
+struct irq_domain *
+platform_msi_create_device_domain(struct device *dev,
+                                 unsigned int nvec,
+                                 irq_write_msi_msg_t write_msi_msg,
+                                 const struct irq_domain_ops *ops,
+                                 void *host_data);
+int platform_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
+                             unsigned int nr_irqs);
+void platform_msi_domain_free(struct irq_domain *domain, unsigned int virq,
+                             unsigned int nvec);
+void *platform_msi_get_host_data(struct irq_domain *domain);
 #endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */
 
 #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN