Messages in this thread Patch in this message | | | Date | Mon, 05 Dec 2022 18:25:21 -0000 | From | "tip-bot2 for Thomas Gleixner" <> | Subject | [tip: irq/core] genirq/irqdomain: Provide IRQ_DOMAIN_FLAG_MSI_DEVICE |
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The following commit has been merged into the irq/core branch of tip:
Commit-ID: e71c5d0bb1885b73c746b634895b85d135ce2c87 Gitweb: https://git.kernel.org/tip/e71c5d0bb1885b73c746b634895b85d135ce2c87 Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Fri, 25 Nov 2022 00:24:17 +01:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Mon, 05 Dec 2022 19:20:58 +01:00
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 <tglx@linutronix.de> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221124230313.747627287@linutronix.de
--- include/linux/irqdomain.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f837db9..24b7668 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 */
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