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

   1 /*
   2  * Copyright (C) 2016 ARM Limited, All Rights Reserved.
   3  * Author: Marc Zyngier <marc.zyngier@arm.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <linux/fwnode.h>
  19 #include <linux/cpumask.h>
  20 #include <linux/irqdomain.h>
  21
  22 struct partition_affinity {
  23         cpumask_t                       mask;
  24         void                            *partition_id;
  25 };
  26
  27 struct partition_desc;
  28
  29 #ifdef CONFIG_PARTITION_PERCPU
  30 int partition_translate_id(struct partition_desc *desc, void *partition_id);
  31 struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  32                                              struct partition_affinity *parts,
  33                                              int nr_parts,
  34                                              int chained_irq,
  35                                              const struct irq_domain_ops *ops);
  36 struct irq_domain *partition_get_domain(struct partition_desc *dsc);
  37 #else
  38 static inline int partition_translate_id(struct partition_desc *desc,
  39                                          void *partition_id)
  40 {
  41         return -EINVAL;
  42 }
  43
  44 static inline
  45 struct partition_desc *partition_create_desc(struct fwnode_handle *fwnode,
  46                                              struct partition_affinity *parts,
  47                                              int nr_parts,
  48                                              int chained_irq,
  49                                              const struct irq_domain_ops *ops)
  50 {
  51         return NULL;
  52 }
  53
  54 static inline
  55 struct irq_domain *partition_get_domain(struct partition_desc *dsc)
  56 {
  57         return NULL;
  58 }
  59 #endif