[PATCH v2 10/19] genirq: Add a new irq_send_ipi() to irq_chip

[Qais Yousef <qais.yousef@xxxxxxxxxx>]

Introduce the new functions to allow generic IPI send mechanism to be
used from arch and drivers code.

Signed-off-by: Qais Yousef <qais.yousef@xxxxxxxxxx>
---
 include/linux/irq.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 9a5d1e11a08f..ee01e89c2140 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -381,6 +381,10 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
  * @irq_get_irqchip_state:	return the internal state of an interrupt
  * @irq_set_irqchip_state:	set the internal state of a interrupt
  * @irq_set_vcpu_affinity:	optional to target a vCPU in a virtual machine
+ * @ipi_send_single:	send a single IPI to destination cpus
+ * @ipi_send_mask:	send an IPI to destination cpus in cpumask
+ * @ipi_send_coproc_single:	send a single IPI to destination coprocessor
+ * @ipi_send_coproc_mask:	send an IPI to destination corocessors in ipi_mask
  * @flags:		chip specific flags
  */
 struct irq_chip {
@@ -425,6 +429,11 @@ struct irq_chip {
 
 	int		(*irq_set_vcpu_affinity)(struct irq_data *data, void *vcpu_info);
 
+	void		(*ipi_send_single)(struct irq_data *data, unsigned int cpu);
+	void		(*ipi_send_mask)(struct irq_data *data, const struct cpumask *dest);
+	void		(*ipi_send_coproc_single)(struct irq_data *data, unsigned int cpu);
+	void		(*ipi_send_coproc_mask)(struct irq_data *data, const struct ipi_mask *dest);
+
 	unsigned long	flags;
 };
 
-- 
2.1.0