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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 */
5
6#ifndef __ARCH_UM_MMU_H
7#define __ARCH_UM_MMU_H
8
9#include "linux/types.h"
10#include <linux/mutex.h>
11#include <linux/spinlock.h>
12#include <mm_id.h>
13
14typedef struct mm_context {
15 struct mm_id id;
16 struct mutex turnstile;
17
18 struct list_head list;
19
20 /* Address range in need of a TLB sync */
21 spinlock_t sync_tlb_lock;
22 unsigned long sync_tlb_range_from;
23 unsigned long sync_tlb_range_to;
24} mm_context_t;
25
26#define INIT_MM_CONTEXT(mm) \
27 .context = { \
28 .turnstile = __MUTEX_INITIALIZER(mm.context.turnstile), \
29 .sync_tlb_lock = __SPIN_LOCK_INITIALIZER(mm.context.sync_tlb_lock), \
30 }
31
32#endif