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 #include <linux/fwnode.h>
   8 #include <linux/cpumask.h>
   9 #include <linux/irqdomain.h>
  10
  11 struct partition_affinity {
  12         cpumask_t                       mask;
  13         void                            *partition_id;
  14 };
  15
  16 struct partition_desc;
  17
  18 #ifdef CONFIG_PARTITION_PERCPU
  19 int partition_translate_id(struct partition_desc *desc, void *partition_id);
  20 struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  21                                              struct partition_affinity *parts,
  22                                              int nr_parts,
  23                                              int chained_irq,
  24                                              const struct irq_domain_ops *ops);
  25 struct irq_domain *partition_get_domain(struct partition_desc *dsc);
  26 #else
  27 static inline int partition_translate_id(struct partition_desc *desc,
  28                                          void *partition_id)
  29 {
  30         return -EINVAL;
  31 }
  32
  33 static inline
  34 struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  35                                              struct partition_affinity *parts,
  36                                              int nr_parts,
  37                                              int chained_irq,
  38                                              const struct irq_domain_ops *ops)
  39 {
  40         return NULL;
  41 }
  42
  43 static inline
  44 struct irq_domain *partition_get_domain(struct partition_desc *dsc)
  45 {
  46         return NULL;
  47 }
  48 #endif