1/* $NetBSD: ttm_page_alloc.h,v 1.2 2016/04/24 04:26:12 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _DRM_TTM_TTM_PAGE_ALLOC_H_
33#define _DRM_TTM_TTM_PAGE_ALLOC_H_
34
35struct ttm_dma_tt;
36struct ttm_mem_global;
37
38int ttm_bus_dma_populate(struct ttm_dma_tt *);
39void ttm_bus_dma_unpopulate(struct ttm_dma_tt *);
40void ttm_bus_dma_swapout(struct ttm_dma_tt *);
41
42static inline int
43ttm_page_alloc_init(struct ttm_mem_global *glob __unused,
44 unsigned max_pages __unused)
45{
46 return 0;
47}
48
49static inline void
50ttm_page_alloc_fini(void)
51{
52}
53
54static inline int
55ttm_dma_page_alloc_init(struct ttm_mem_global *glob __unused,
56 unsigned max_pages __unused)
57{
58 return 0;
59}
60
61static inline void
62ttm_dma_page_alloc_fini(void)
63{
64}
65
66#endif /* _DRM_TTM_TTM_PAGE_ALLOC_H_ */
67