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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
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +02007static inline struct kernel_lb_addr lelb_to_cpu(struct lb_addr in)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +02009 struct 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
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020017static inline struct lb_addr cpu_to_lelb(struct kernel_lb_addr in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070018{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020019 struct 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
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020027static inline struct short_ad lesa_to_cpu(struct short_ad in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070028{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020029 struct short_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 out.extLength = le32_to_cpu(in.extLength);
32 out.extPosition = le32_to_cpu(in.extPosition);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070033
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 return out;
35}
36
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020037static inline struct short_ad cpu_to_lesa(struct short_ad in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020039 struct short_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070040
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 out.extLength = cpu_to_le32(in.extLength);
42 out.extPosition = cpu_to_le32(in.extPosition);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070043
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 return out;
45}
46
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020047static inline struct kernel_long_ad lela_to_cpu(struct long_ad in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020049 struct kernel_long_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070050
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 out.extLength = le32_to_cpu(in.extLength);
52 out.extLocation = lelb_to_cpu(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070053
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 return out;
55}
56
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020057static inline struct long_ad cpu_to_lela(struct kernel_long_ad in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020059 struct long_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070060
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 out.extLength = cpu_to_le32(in.extLength);
62 out.extLocation = cpu_to_lelb(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070063
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 return out;
65}
66
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020067static inline struct kernel_extent_ad leea_to_cpu(struct extent_ad in)
Linus Torvalds1da177e2005-04-16 15:20:36 -070068{
Pekka Enberg5ca4e4b2008-10-15 12:28:03 +020069 struct kernel_extent_ad out;
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070070
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 out.extLength = le32_to_cpu(in.extLength);
72 out.extLocation = le32_to_cpu(in.extLocation);
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070073
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 return out;
75}
76
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070077#endif /* __UDF_ENDIAN_H */