Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / include / linux / irqdomain.h

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index ffb84604c1de0cbcd26fd23d32c3f5a9587acbd0..188eced6813eddb9c313fdb59016b972835e7674 100644 (file)
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -183,6 +183,12 @@ enum {
        /* Irq domain is an IPI domain with single virq */
        IRQ_DOMAIN_FLAG_IPI_SINGLE      = (1 << 3),
 
+       /* Irq domain implements MSIs */
+       IRQ_DOMAIN_FLAG_MSI             = (1 << 4),
+
+       /* Irq domain implements MSI remapping */
+       IRQ_DOMAIN_FLAG_MSI_REMAP       = (1 << 5),
+
        /*
         * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved
         * for implementation specific purposes and ignored by the
@@ -216,6 +222,7 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node,
                                         void *host_data);
 extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec,
                                                   enum irq_domain_bus_token bus_token);
+extern bool irq_domain_check_msi_remap(void);
 extern void irq_set_default_host(struct irq_domain *host);
 extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs,
                                  irq_hw_number_t hwirq, int node,
@@ -446,6 +453,19 @@ static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)
 {
        return domain->flags & IRQ_DOMAIN_FLAG_IPI_SINGLE;
 }
+
+static inline bool irq_domain_is_msi(struct irq_domain *domain)
+{
+       return domain->flags & IRQ_DOMAIN_FLAG_MSI;
+}
+
+static inline bool irq_domain_is_msi_remap(struct irq_domain *domain)
+{
+       return domain->flags & IRQ_DOMAIN_FLAG_MSI_REMAP;
+}
+
+extern bool irq_domain_hierarchical_is_msi_remap(struct irq_domain *domain);
+
 #else  /* CONFIG_IRQ_DOMAIN_HIERARCHY */
 static inline void irq_domain_activate_irq(struct irq_data *data) { }
 static inline void irq_domain_deactivate_irq(struct irq_data *data) { }
@@ -477,6 +497,22 @@ static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)
 {
        return false;
 }
+
+static inline bool irq_domain_is_msi(struct irq_domain *domain)
+{
+       return false;
+}
+
+static inline bool irq_domain_is_msi_remap(struct irq_domain *domain)
+{
+       return false;
+}
+
+static inline bool
+irq_domain_hierarchical_is_msi_remap(struct irq_domain *domain)
+{
+       return false;
+}
 #endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */
 
 #else /* CONFIG_IRQ_DOMAIN */