From e71c5d0bb1885b73c746b634895b85d135ce2c87 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 25 Nov 2022 00:24:17 +0100 Subject: genirq/irqdomain: Provide IRQ_DOMAIN_FLAG_MSI_DEVICE Similar to marking parent MSI domains it's required to identify per device domains. Add flag and helpers. Signed-off-by: Thomas Gleixner Reviewed-by: Kevin Tian Acked-by: Marc Zyngier Link: https://lore.kernel.org/r/20221124230313.747627287@linutronix.de --- include/linux/irqdomain.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f837db9a5339..24b76688c2fb 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -192,6 +192,9 @@ enum { /* Irq domain is a MSI parent domain */ IRQ_DOMAIN_FLAG_MSI_PARENT = (1 << 8), + /* Irq domain is a MSI device domain */ + IRQ_DOMAIN_FLAG_MSI_DEVICE = (1 << 9), + /* * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved * for implementation specific purposes and ignored by the @@ -559,6 +562,11 @@ static inline bool irq_domain_is_msi_parent(struct irq_domain *domain) return domain->flags & IRQ_DOMAIN_FLAG_MSI_PARENT; } +static inline bool irq_domain_is_msi_device(struct irq_domain *domain) +{ + return domain->flags & IRQ_DOMAIN_FLAG_MSI_DEVICE; +} + #else /* CONFIG_IRQ_DOMAIN_HIERARCHY */ static inline int irq_domain_alloc_irqs(struct irq_domain *domain, unsigned int nr_irqs, int node, void *arg) @@ -610,6 +618,11 @@ static inline bool irq_domain_is_msi_parent(struct irq_domain *domain) return false; } +static inline bool irq_domain_is_msi_device(struct irq_domain *domain) +{ + return false; +} + #endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */ #else /* CONFIG_IRQ_DOMAIN */ -- cgit v1.2.3