On Tue, 19 Jul 2016, Eric Auger wrote:
>
> +/* Describe all the MSI doorbell regions for an irqchip */
> +struct irq_chip_msi_doorbell_info {
> + union {
> + phys_addr_t __percpu *percpu_doorbells;
> + phys_addr_t global_doorbell;
> + };
> + bool doorbell_is_percpu;
> + bool irq_remapping; /* is irq_remapping implemented? */
Please do not use tail comments. Use proper kernel doc for documentation.
> + size_t size; /* size of each doorbell */
> + int prot; /* iommu protection flag */
Please align the members proper
union {
phys_addr_t __percpu *percpu_doorbells;
phys_addr_t global_doorbell;
};
bool doorbell_is_percpu;
bool irq_remapping;
> +};
> +
> /**
> * struct irq_chip - hardware interrupt chip descriptor
> *
> @@ -349,6 +361,7 @@ 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
> + * @msi_doorbell_info: return the MSI doorbell info
> * @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
> @@ -394,7 +407,8 @@ struct irq_chip {
> int (*irq_set_irqchip_state)(struct irq_data *data, enum irqchip_irq_state which, bool state);
>
> int (*irq_set_vcpu_affinity)(struct irq_data *data, void *vcpu_info);
> -
> + struct irq_chip_msi_doorbell_info *(*msi_doorbell_info)(
irq_get_msi_doorbell_info or msi_get_doorbell_info please
> + struct irq_data *data);
No need for a line break here. Please keep it as a single line.
Thanks
tglx
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