cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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resource_ext.h (2135B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2015, Intel Corporation
      4 * Author: Jiang Liu <jiang.liu@linux.intel.com>
      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 */
     14struct 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 */
     23struct 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
     30extern struct resource_entry *
     31resource_list_create_entry(struct resource *res, size_t extra_size);
     32extern void resource_list_free(struct list_head *head);
     33
     34static inline void resource_list_add(struct resource_entry *entry,
     35				     struct list_head *head)
     36{
     37	list_add(&entry->node, head);
     38}
     39
     40static 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
     46static inline void resource_list_del(struct resource_entry *entry)
     47{
     48	list_del(&entry->node);
     49}
     50
     51static inline void resource_list_free_entry(struct resource_entry *entry)
     52{
     53	kfree(entry);
     54}
     55
     56static inline void
     57resource_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
     69static inline struct resource_entry *
     70resource_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
     81#endif /* _LINUX_RESOURCE_EXT_H */