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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __UDF_ENDIAN_H
2#define __UDF_ENDIAN_H
3
4#include <asm/byteorder.h>
5#include <linux/string.h>
6
7static inline kernel_lb_addr lelb_to_cpu(lb_addr in)
8{
9 kernel_lb_addr out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070010
Linus Torvalds1da177e2005-04-16 15:20:36 -070011 out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
12 out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070013
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 return out;
15}
16
17static inline lb_addr cpu_to_lelb(kernel_lb_addr in)
18{
19 lb_addr out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070020
Linus Torvalds1da177e2005-04-16 15:20:36 -070021 out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
22 out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070023
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 return out;
25}
26
27static inline kernel_timestamp lets_to_cpu(timestamp in)
28{
29 kernel_timestamp out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 memcpy(&out, &in, sizeof(timestamp));
32 out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone);
33 out.year = le16_to_cpu(in.year);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070034
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 return out;
36}
37
38static inline short_ad lesa_to_cpu(short_ad in)
39{
40 short_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070041
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 out.extLength = le32_to_cpu(in.extLength);
43 out.extPosition = le32_to_cpu(in.extPosition);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070044
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 return out;
46}
47
48static inline short_ad cpu_to_lesa(short_ad in)
49{
50 short_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070051
Linus Torvalds1da177e2005-04-16 15:20:36 -070052 out.extLength = cpu_to_le32(in.extLength);
53 out.extPosition = cpu_to_le32(in.extPosition);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070054
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 return out;
56}
57
58static inline kernel_long_ad lela_to_cpu(long_ad in)
59{
60 kernel_long_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070061
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 out.extLength = le32_to_cpu(in.extLength);
63 out.extLocation = lelb_to_cpu(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070064
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 return out;
66}
67
68static inline long_ad cpu_to_lela(kernel_long_ad in)
69{
70 long_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070071
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 out.extLength = cpu_to_le32(in.extLength);
73 out.extLocation = cpu_to_lelb(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070074
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 return out;
76}
77
78static inline kernel_extent_ad leea_to_cpu(extent_ad in)
79{
80 kernel_extent_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070081
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 out.extLength = le32_to_cpu(in.extLength);
83 out.extLocation = le32_to_cpu(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070084
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 return out;
86}
87
88static inline timestamp cpu_to_lets(kernel_timestamp in)
89{
90 timestamp out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070091
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 memcpy(&out, &in, sizeof(timestamp));
93 out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone);
94 out.year = cpu_to_le16(in.year);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070095
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 return out;
97}
98
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070099#endif /* __UDF_ENDIAN_H */