1 /* $NetBSD: ttm_set_memory.h,v 1.4 2021/12/19 12:40:44 riastradh Exp $ */
2
3 /**************************************************************************
4 *
5 * Copyright (c) 2018 Advanced Micro Devices, Inc.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
23 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
24 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
25 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
26 * USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 **************************************************************************/
29 /*
30 * Authors: Huang Rui <ray.huang@amd.com>
31 */
32
33 #ifndef TTM_SET_MEMORY
34 #define TTM_SET_MEMORY
35
36 #include <linux/mm.h>
37
38 #if defined(CONFIG_X86) && !defined(__NetBSD__)
39
40 #include <asm/set_memory.h>
41
ttm_set_pages_array_wb(struct page ** pages,int addrinarray)42 static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
43 {
44 return set_pages_array_wb(pages, addrinarray);
45 }
46
ttm_set_pages_array_wc(struct page ** pages,int addrinarray)47 static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
48 {
49 return set_pages_array_wc(pages, addrinarray);
50 }
51
ttm_set_pages_array_uc(struct page ** pages,int addrinarray)52 static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
53 {
54 return set_pages_array_uc(pages, addrinarray);
55 }
56
ttm_set_pages_wb(struct page * page,int numpages)57 static inline int ttm_set_pages_wb(struct page *page, int numpages)
58 {
59 return set_pages_wb(page, numpages);
60 }
61
ttm_set_pages_wc(struct page * page,int numpages)62 static inline int ttm_set_pages_wc(struct page *page, int numpages)
63 {
64 unsigned long addr = (unsigned long)page_address(page);
65
66 return set_memory_wc(addr, numpages);
67 }
68
ttm_set_pages_uc(struct page * page,int numpages)69 static inline int ttm_set_pages_uc(struct page *page, int numpages)
70 {
71 return set_pages_uc(page, numpages);
72 }
73
74 #else /* for CONFIG_X86 */
75
76 #if IS_ENABLED(CONFIG_AGP)
77
78 #include <asm/agp.h>
79
ttm_set_pages_array_wb(struct page ** pages,int addrinarray)80 static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
81 {
82 int i;
83
84 for (i = 0; i < addrinarray; i++)
85 unmap_page_from_agp(pages[i]);
86 return 0;
87 }
88
ttm_set_pages_array_wc(struct page ** pages,int addrinarray)89 static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
90 {
91 int i;
92
93 for (i = 0; i < addrinarray; i++)
94 map_page_into_agp(pages[i]);
95 return 0;
96 }
97
ttm_set_pages_array_uc(struct page ** pages,int addrinarray)98 static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
99 {
100 int i;
101
102 for (i = 0; i < addrinarray; i++)
103 map_page_into_agp(pages[i]);
104 return 0;
105 }
106
ttm_set_pages_wb(struct page * page,int numpages)107 static inline int ttm_set_pages_wb(struct page *page, int numpages)
108 {
109 int i;
110
111 for (i = 0; i < numpages; i++)
112 unmap_page_from_agp(page++);
113 return 0;
114 }
115
116 #else /* for CONFIG_AGP */
117
ttm_set_pages_array_wb(struct page ** pages,int addrinarray)118 static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
119 {
120 return 0;
121 }
122
ttm_set_pages_array_wc(struct page ** pages,int addrinarray)123 static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
124 {
125 return 0;
126 }
127
ttm_set_pages_array_uc(struct page ** pages,int addrinarray)128 static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
129 {
130 return 0;
131 }
132
ttm_set_pages_wb(struct page * page,int numpages)133 static inline int ttm_set_pages_wb(struct page *page, int numpages)
134 {
135 return 0;
136 }
137
138 #endif /* for CONFIG_AGP */
139
ttm_set_pages_wc(struct page * page,int numpages)140 static inline int ttm_set_pages_wc(struct page *page, int numpages)
141 {
142 return 0;
143 }
144
ttm_set_pages_uc(struct page * page,int numpages)145 static inline int ttm_set_pages_uc(struct page *page, int numpages)
146 {
147 return 0;
148 }
149
150 #endif /* for CONFIG_X86 */
151
152 #endif
153