From: Thomas Gleixner Date: Thu, 24 Nov 2022 23:24:17 +0000 (+0100) Subject: genirq/irqdomain: Provide IRQ_DOMAIN_FLAG_MSI_DEVICE X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e71c5d0bb1885b73c746b634895b85d135ce2c87;p=linux.git 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 --- diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f837db9a53392..24b76688c2fbb 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 */