This flag will be used to identify an IPI domain.
The idea is to reuse the alloc functions to allocate an IPI if it's set.
We could alternatively add a separate new alloc_ipi() function to struct
domain_ops.
Signed-off-by: Qais Yousef <qais.you...@imgtec.com>
---
include/linux/irqdomain.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index d3ca79236fb0..9b3dc6c2a3cc 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -153,6 +153,9 @@ enum {
/* Core calls alloc/free recursive through the domain hierarchy. */
IRQ_DOMAIN_FLAG_AUTO_RECURSIVE = (1 << 1),
+ /* Irq domain is an IPI domain */
+ IRQ_DOMAIN_FLAG_IPI = (1 << 2),
+
/*
* Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved
* for implementation specific purposes and ignored by the
@@ -326,6 +329,11 @@ static inline bool irq_domain_is_hierarchy(struct
irq_domain *domain)
{
return domain->flags & IRQ_DOMAIN_FLAG_HIERARCHY;
}
+
+static inline bool irq_domain_is_ipi(struct irq_domain *domain)
+{
+ return domain->flags & IRQ_DOMAIN_FLAG_IPI;
+}
#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) { }
@@ -339,6 +347,11 @@ static inline bool irq_domain_is_hierarchy(struct
irq_domain *domain)
{
return false;
}
+
+static inline bool irq_domain_is_ipi(struct irq_domain *domain)
+{
+ return false;
+}
#endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */
#else /* CONFIG_IRQ_DOMAIN */
--
2.1.0
--
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