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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Host1x context devices
4 *
5 * Copyright (c) 2020, NVIDIA Corporation.
6 */
7
8#ifndef __HOST1X_CONTEXT_H
9#define __HOST1X_CONTEXT_H
10
11#include <linux/mutex.h>
12#include <linux/refcount.h>
13
14struct host1x;
15struct host1x_memory_context;
16
17struct host1x_memory_context_list {
18 struct mutex lock;
19 struct host1x_memory_context *devs;
20 unsigned int len;
21};
22
23#ifdef CONFIG_IOMMU_API
24int host1x_memory_context_list_init(struct host1x *host1x);
25void host1x_memory_context_list_free(struct host1x_memory_context_list *cdl);
26#else
27static inline int host1x_memory_context_list_init(struct host1x *host1x)
28{
29 return 0;
30}
31
32static inline void host1x_memory_context_list_free(struct host1x_memory_context_list *cdl)
33{
34}
35#endif
36
37#endif