1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
| 1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
|
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _LINUX_IO_MAPPING_H_
30#define _LINUX_IO_MAPPING_H_
31
32#include <linux/types.h>
33#include <linux/io.h>
34
35struct io_mapping;
36
37static inline struct io_mapping *
38io_mapping_create_wc(resource_size_t base, unsigned long size)
39{
40
41 return ioremap_wc(base, size);
42}
43
44static inline void
45io_mapping_free(struct io_mapping *mapping)
46{
47
48 iounmap(mapping);
49}
50
51static inline void *
52io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)
53{
54
55 return (((char *)mapping) + offset);
56}
57
58static inline void
59io_mapping_unmap_atomic(void *vaddr)
60{
61
62}
63
64static inline void *
65io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
66{
67
68 return (((char *) mapping) + offset);
69}
70
71static inline void
72io_mapping_unmap(void *vaddr)
73{
74
75}
76
77#endif /* _LINUX_IO_MAPPING_H_ */
| 6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
13 * disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef _LINUX_IO_MAPPING_H_
31#define _LINUX_IO_MAPPING_H_
32
33#include <linux/types.h>
34#include <linux/io.h>
35
36struct io_mapping;
37
38static inline struct io_mapping *
39io_mapping_create_wc(resource_size_t base, unsigned long size)
40{
41
42 return ioremap_wc(base, size);
43}
44
45static inline void
46io_mapping_free(struct io_mapping *mapping)
47{
48
49 iounmap(mapping);
50}
51
52static inline void *
53io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)
54{
55
56 return (((char *)mapping) + offset);
57}
58
59static inline void
60io_mapping_unmap_atomic(void *vaddr)
61{
62
63}
64
65static inline void *
66io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
67{
68
69 return (((char *) mapping) + offset);
70}
71
72static inline void
73io_mapping_unmap(void *vaddr)
74{
75
76}
77
78#endif /* _LINUX_IO_MAPPING_H_ */
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