Commit | Line | Data |
---|---|---|
2025cf9e | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
90e97820 JL |
2 | /* |
3 | * Copyright (C) 2015, Intel Corporation | |
4 | * Author: Jiang Liu <jiang.liu@linux.intel.com> | |
90e97820 JL |
5 | */ |
6 | #ifndef _LINUX_RESOURCE_EXT_H | |
7 | #define _LINUX_RESOURCE_EXT_H | |
8 | #include <linux/types.h> | |
9 | #include <linux/list.h> | |
10 | #include <linux/ioport.h> | |
11 | #include <linux/slab.h> | |
12 | ||
13 | /* Represent resource window for bridge devices */ | |
14 | struct resource_win { | |
15 | struct resource res; /* In master (CPU) address space */ | |
16 | resource_size_t offset; /* Translation offset for bridge */ | |
17 | }; | |
18 | ||
19 | /* | |
20 | * Common resource list management data structure and interfaces to support | |
21 | * ACPI, PNP and PCI host bridge etc. | |
22 | */ | |
23 | struct resource_entry { | |
24 | struct list_head node; | |
25 | struct resource *res; /* In master (CPU) address space */ | |
26 | resource_size_t offset; /* Translation offset for bridge */ | |
27 | struct resource __res; /* Default storage for res */ | |
28 | }; | |
29 | ||
30 | extern struct resource_entry * | |
31 | resource_list_create_entry(struct resource *res, size_t extra_size); | |
32 | extern void resource_list_free(struct list_head *head); | |
33 | ||
34 | static inline void resource_list_add(struct resource_entry *entry, | |
35 | struct list_head *head) | |
36 | { | |
37 | list_add(&entry->node, head); | |
38 | } | |
39 | ||
40 | static inline void resource_list_add_tail(struct resource_entry *entry, | |
41 | struct list_head *head) | |
42 | { | |
43 | list_add_tail(&entry->node, head); | |
44 | } | |
45 | ||
46 | static inline void resource_list_del(struct resource_entry *entry) | |
47 | { | |
48 | list_del(&entry->node); | |
49 | } | |
50 | ||
51 | static inline void resource_list_free_entry(struct resource_entry *entry) | |
52 | { | |
53 | kfree(entry); | |
54 | } | |
55 | ||
56 | static inline void | |
57 | resource_list_destroy_entry(struct resource_entry *entry) | |
58 | { | |
59 | resource_list_del(entry); | |
60 | resource_list_free_entry(entry); | |
61 | } | |
62 | ||
63 | #define resource_list_for_each_entry(entry, list) \ | |
64 | list_for_each_entry((entry), (list), node) | |
65 | ||
66 | #define resource_list_for_each_entry_safe(entry, tmp, list) \ | |
67 | list_for_each_entry_safe((entry), (tmp), (list), node) | |
68 | ||
494f8b10 RH |
69 | static inline struct resource_entry * |
70 | resource_list_first_type(struct list_head *list, unsigned long type) | |
71 | { | |
72 | struct resource_entry *entry; | |
73 | ||
74 | resource_list_for_each_entry(entry, list) { | |
75 | if (resource_type(entry->res) == type) | |
76 | return entry; | |
77 | } | |
78 | return NULL; | |
79 | } | |
80 | ||
90e97820 | 81 | #endif /* _LINUX_RESOURCE_EXT_H */ |