diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/crc-t10dif.h | 5 | ||||
| -rw-r--r-- | include/linux/t10-pi.h | 22 |
2 files changed, 25 insertions, 2 deletions
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h index b3cb71f0d3b0..cf53d0773ce3 100644 --- a/include/linux/crc-t10dif.h +++ b/include/linux/crc-t10dif.h @@ -6,7 +6,8 @@ #define CRC_T10DIF_DIGEST_SIZE 2 #define CRC_T10DIF_BLOCK_SIZE 1 -__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len); -__u16 crc_t10dif(unsigned char const *, size_t); +extern __u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, + size_t len); +extern __u16 crc_t10dif(unsigned char const *, size_t); #endif diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h new file mode 100644 index 000000000000..6a8b9942632d --- /dev/null +++ b/include/linux/t10-pi.h @@ -0,0 +1,22 @@ +#ifndef _LINUX_T10_PI_H +#define _LINUX_T10_PI_H + +#include <linux/types.h> +#include <linux/blkdev.h> + +/* + * T10 Protection Information tuple. + */ +struct t10_pi_tuple { + __be16 guard_tag; /* Checksum */ + __be16 app_tag; /* Opaque storage */ + __be32 ref_tag; /* Target LBA or indirect LBA */ +}; + + +extern struct blk_integrity t10_pi_type1_crc; +extern struct blk_integrity t10_pi_type1_ip; +extern struct blk_integrity t10_pi_type3_crc; +extern struct blk_integrity t10_pi_type3_ip; + +#endif |