1 files changed, 77 insertions, 0 deletions

diff --git a/include/linux/resource_ext.h b/include/linux/resource_ext.h
new file mode 100644
index 000000000000..e2bf63d881d4
--- /dev/null
+++ b/include/linux/resource_ext.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2015, Intel Corporation
+ * Author: Jiang Liu <jiang.liu@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#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)
+
+#endif /* _LINUX_RESOURCE_EXT_H */