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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015, Intel Corporation
* Author: Jiang Liu <[email protected]>
*/
#ifndef _LINUX_RESOURCE_EXT_H
#define _LINUX_RESOURCE_EXT_H
#include <linux/types.h>
#include <linux/list.h>
#include <linux/ioport.h>
#include <linux/slab.h>
/* Represent resource window for bridge devices */
struct resource_win {
struct resource res; /* In master (CPU) address space */
resource_size_t offset; /* Translation offset for bridge */
};
/*
* Common resource list management data structure and interfaces to support
* ACPI, PNP and PCI host bridge etc.
*/
struct resource_entry {
struct list_head node;
struct resource *res; /* In master (CPU) address space */
resource_size_t offset; /* Translation offset for bridge */
struct resource __res; /* Default storage for res */
};
extern struct resource_entry *
resource_list_create_entry(struct resource *res, size_t extra_size);
extern void resource_list_free(struct list_head *head);
static inline void resource_list_add(struct resource_entry *entry,
struct list_head *head)
{
list_add(&entry->node, head);
}
static inline void resource_list_add_tail(struct resource_entry *entry,
struct list_head *head)
{
list_add_tail(&entry->node, head);
}
static inline void resource_list_del(struct resource_entry *entry)
{
list_del(&entry->node);
}
static inline void resource_list_free_entry(struct resource_entry *entry)
{
kfree(entry);
}
static inline void
resource_list_destroy_entry(struct resource_entry *entry)
{
resource_list_del(entry);
resource_list_free_entry(entry);
}
#define resource_list_for_each_entry(entry, list) \
list_for_each_entry((entry), (list), node)
#define resource_list_for_each_entry_safe(entry, tmp, list) \
list_for_each_entry_safe((entry), (tmp), (list), node)
static inline struct resource_entry *
resource_list_first_type(struct list_head *list, unsigned long type)
{
struct resource_entry *entry;
resource_list_for_each_entry(entry, list) {
if (resource_type(entry->res) == type)
return entry;
}
return NULL;
}
#endif /* _LINUX_RESOURCE_EXT_H */