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[tip:irq/core] genirq: Add send_ipi callbacks to irq_chip

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  [tip:irq/core] genirq: Add send_ipi callbacks to irq_chip tip-bot for Qais Yousef <tipbot@zytor.com> - 2016-02-25 11:10 +0100

#1343061 — [tip:irq/core] genirq: Add send_ipi callbacks to irq_chip

Commit-ID:  34dc1ae101018dbb50e1d04e88aa89052802a7db
Gitweb:     http://git.kernel.org/tip/34dc1ae101018dbb50e1d04e88aa89052802a7db
Author:     Qais Yousef <qais.yousef@imgtec.com>
AuthorDate: Tue, 8 Dec 2015 13:20:21 +0000
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 25 Feb 2016 10:56:57 +0100

genirq: Add send_ipi callbacks to irq_chip

Introduce the new callbacks which can be used by the core code to implement a
generic IPI send mechanism.

Signed-off-by: Qais 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/1449580830-23652-11-git-send-email-qais.yousef@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/irq.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 10273dc..3b3a5b8 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -347,6 +347,8 @@ 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
  * @flags:		chip specific flags
  */
 struct irq_chip {
@@ -391,6 +393,9 @@ 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);
+
 	unsigned long	flags;
 };
 

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