1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __UDF_ENDIAN_H
3 #define __UDF_ENDIAN_H
4
5 #include <asm/byteorder.h>
6 #include <linux/string.h>
7
8 static inline struct kernel_lb_addr lelb_to_cpu(struct lb_addr in)
9 {
10 struct kernel_lb_addr out;
11
12 out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
13 out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
14
15 return out;
16 }
17
18 static inline struct lb_addr cpu_to_lelb(struct kernel_lb_addr in)
19 {
20 struct lb_addr out;
21
22 out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
23 out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
24
25 return out;
26 }
27
28 static inline struct short_ad lesa_to_cpu(struct short_ad in)
29 {
30 struct short_ad out;
31
32 out.extLength = le32_to_cpu(in.extLength);
33 out.extPosition = le32_to_cpu(in.extPosition);
34
35 return out;
36 }
37
38 static inline struct short_ad cpu_to_lesa(struct short_ad in)
39 {
40 struct short_ad out;
41
42 out.extLength = cpu_to_le32(in.extLength);
43 out.extPosition = cpu_to_le32(in.extPosition);
44
45 return out;
46 }
47
48 static inline struct kernel_long_ad lela_to_cpu(struct long_ad in)
49 {
50 struct kernel_long_ad out;
51
52 out.extLength = le32_to_cpu(in.extLength);
53 out.extLocation = lelb_to_cpu(in.extLocation);
54
55 return out;
56 }
57
58 static inline struct long_ad cpu_to_lela(struct kernel_long_ad in)
59 {
60 struct long_ad out;
61
62 out.extLength = cpu_to_le32(in.extLength);
63 out.extLocation = cpu_to_lelb(in.extLocation);
64
65 return out;
66 }
67
68 static inline struct kernel_extent_ad leea_to_cpu(struct extent_ad in)
69 {
70 struct kernel_extent_ad out;
71
72 out.extLength = le32_to_cpu(in.extLength);
73 out.extLocation = le32_to_cpu(in.extLocation);
74
75 return out;
76 }
77
78 #endif /* __UDF_ENDIAN_H */
79
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