LXR linux/include/linux/irqchip/irq-partition-percpu.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2016 ARM Limited, All Rights Reserved.
   4 * Author: Marc Zyngier <marc.zyngier@arm.com>
   5 */
   6
   7#ifndef __LINUX_IRQCHIP_IRQ_PARTITION_PERCPU_H
   8#define __LINUX_IRQCHIP_IRQ_PARTITION_PERCPU_H
   9
  10#include <linux/fwnode.h>
  11#include <linux/cpumask.h>
  12#include <linux/irqdomain.h>
  13
  14struct partition_affinity {
  15        cpumask_t                       mask;
  16        void                            *partition_id;
  17};
  18
  19struct partition_desc;
  20
  21#ifdef CONFIG_PARTITION_PERCPU
  22int partition_translate_id(struct partition_desc *desc, void *partition_id);
  23struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  24                                             struct partition_affinity *parts,
  25                                             int nr_parts,
  26                                             int chained_irq,
  27                                             const struct irq_domain_ops *ops);
  28struct irq_domain *partition_get_domain(struct partition_desc *dsc);
  29#else
  30static inline int partition_translate_id(struct partition_desc *desc,
  31                                         void *partition_id)
  32{
  33        return -EINVAL;
  34}
  35
  36static inline
  37struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  38                                             struct partition_affinity *parts,
  39                                             int nr_parts,
  40                                             int chained_irq,
  41                                             const struct irq_domain_ops *ops)
  42{
  43        return NULL;
  44}
  45
  46static inline
  47struct irq_domain *partition_get_domain(struct partition_desc *dsc)
  48{
  49        return NULL;
  50}
  51#endif
  52
  53#endif /* __LINUX_IRQCHIP_IRQ_PARTITION_PERCPU_H */
  54