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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>
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@ -347,6 +347,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
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* @irq_get_irqchip_state: return the internal state of an interrupt
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* @irq_set_irqchip_state: set the internal state of a interrupt
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* @irq_set_vcpu_affinity: optional to target a vCPU in a virtual machine
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* @ipi_send_single: send a single IPI to destination cpus
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* @ipi_send_mask: send an IPI to destination cpus in cpumask
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* @flags: chip specific flags
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*/
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struct irq_chip {
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@ -391,6 +393,9 @@ struct irq_chip {
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int (*irq_set_vcpu_affinity)(struct irq_data *data, void *vcpu_info);
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void (*ipi_send_single)(struct irq_data *data, unsigned int cpu);
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void (*ipi_send_mask)(struct irq_data *data, const struct cpumask *dest);
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unsigned long flags;
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};
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