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    Subject[PATCH v2 10/19] genirq: Add a new irq_send_ipi() to irq_chip
    Date
    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@imgtec.com>
    ---
    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


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