Commit 0abefbaa authored by Qais Yousef's avatar Qais Yousef Committed by Thomas Gleixner

genirq: Add new IPI irqdomain flags

These flags will be used to identify an IPI domain. We have two flavours of
IPI implementations:

IRQ_DOMAIN_FLAG_IPI_PER_CPU: Each CPU has its own virq and hwirq
IRQ_DOMAIN_FLAG_IPI_SINGLE : A single virq and hwirq for all CPUs
Signed-off-by: default avatarQais Yousef <qais.yousef@imgtec.com>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: <jiang.liu@linux.intel.com>
Cc: <ralf@linux-mips.org>
Cc: <linux-mips@linux-mips.org>
Cc: <lisa.parratt@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Link: http://lkml.kernel.org/r/1449580830-23652-2-git-send-email-qais.yousef@imgtec.comSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 16aba533
...@@ -172,6 +172,12 @@ enum { ...@@ -172,6 +172,12 @@ enum {
/* Core calls alloc/free recursive through the domain hierarchy. */ /* Core calls alloc/free recursive through the domain hierarchy. */
IRQ_DOMAIN_FLAG_AUTO_RECURSIVE = (1 << 1), IRQ_DOMAIN_FLAG_AUTO_RECURSIVE = (1 << 1),
/* Irq domain is an IPI domain with virq per cpu */
IRQ_DOMAIN_FLAG_IPI_PER_CPU = (1 << 2),
/* Irq domain is an IPI domain with single virq */
IRQ_DOMAIN_FLAG_IPI_SINGLE = (1 << 3),
/* /*
* Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved
* for implementation specific purposes and ignored by the * for implementation specific purposes and ignored by the
...@@ -400,6 +406,22 @@ static inline bool irq_domain_is_hierarchy(struct irq_domain *domain) ...@@ -400,6 +406,22 @@ static inline bool irq_domain_is_hierarchy(struct irq_domain *domain)
{ {
return domain->flags & IRQ_DOMAIN_FLAG_HIERARCHY; 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_PER_CPU | IRQ_DOMAIN_FLAG_IPI_SINGLE);
}
static inline bool irq_domain_is_ipi_per_cpu(struct irq_domain *domain)
{
return domain->flags & IRQ_DOMAIN_FLAG_IPI_PER_CPU;
}
static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)
{
return domain->flags & IRQ_DOMAIN_FLAG_IPI_SINGLE;
}
#else /* CONFIG_IRQ_DOMAIN_HIERARCHY */ #else /* CONFIG_IRQ_DOMAIN_HIERARCHY */
static inline void irq_domain_activate_irq(struct irq_data *data) { } static inline void irq_domain_activate_irq(struct irq_data *data) { }
static inline void irq_domain_deactivate_irq(struct irq_data *data) { } static inline void irq_domain_deactivate_irq(struct irq_data *data) { }
...@@ -413,6 +435,21 @@ static inline bool irq_domain_is_hierarchy(struct irq_domain *domain) ...@@ -413,6 +435,21 @@ static inline bool irq_domain_is_hierarchy(struct irq_domain *domain)
{ {
return false; return false;
} }
static inline bool irq_domain_is_ipi(struct irq_domain *domain)
{
return false;
}
static inline bool irq_domain_is_ipi_per_cpu(struct irq_domain *domain)
{
return false;
}
static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)
{
return false;
}
#endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */ #endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */
#else /* CONFIG_IRQ_DOMAIN */ #else /* CONFIG_IRQ_DOMAIN */
......
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