diff options
Diffstat (limited to 'fs/udf/udfend.h')
| -rw-r--r-- | fs/udf/udfend.h | 81 | 
1 files changed, 81 insertions, 0 deletions
diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h new file mode 100644 index 00000000000..17d37887956 --- /dev/null +++ b/fs/udf/udfend.h @@ -0,0 +1,81 @@ +#ifndef __UDF_ENDIAN_H +#define __UDF_ENDIAN_H + +#include <asm/byteorder.h> +#include <linux/string.h> + +static inline kernel_lb_addr lelb_to_cpu(lb_addr in) +{ +	kernel_lb_addr out; +	out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum); +	out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum); +	return out; +} + +static inline lb_addr cpu_to_lelb(kernel_lb_addr in) +{ +	lb_addr out; +	out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum); +	out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum); +	return out; +} + +static inline kernel_timestamp lets_to_cpu(timestamp in) +{ +	kernel_timestamp out; +	memcpy(&out, &in, sizeof(timestamp)); +	out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone); +	out.year = le16_to_cpu(in.year); +	return out; +} + +static inline short_ad lesa_to_cpu(short_ad in) +{ +	short_ad out; +	out.extLength = le32_to_cpu(in.extLength); +	out.extPosition = le32_to_cpu(in.extPosition); +	return out; +} + +static inline short_ad cpu_to_lesa(short_ad in) +{ +	short_ad out; +	out.extLength = cpu_to_le32(in.extLength); +	out.extPosition = cpu_to_le32(in.extPosition); +	return out; +} + +static inline kernel_long_ad lela_to_cpu(long_ad in) +{ +	kernel_long_ad out; +	out.extLength = le32_to_cpu(in.extLength); +	out.extLocation = lelb_to_cpu(in.extLocation); +	return out; +} + +static inline long_ad cpu_to_lela(kernel_long_ad in) +{ +	long_ad out; +	out.extLength = cpu_to_le32(in.extLength); +	out.extLocation = cpu_to_lelb(in.extLocation); +	return out; +} + +static inline kernel_extent_ad leea_to_cpu(extent_ad in) +{ +	kernel_extent_ad out; +	out.extLength = le32_to_cpu(in.extLength); +	out.extLocation = le32_to_cpu(in.extLocation); +	return out; +} + +static inline timestamp cpu_to_lets(kernel_timestamp in) +{ +	timestamp out; +	memcpy(&out, &in, sizeof(timestamp)); +	out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone); +	out.year = cpu_to_le16(in.year); +	return out; +} + +#endif /* __UDF_ENDIAN_H */  |