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-rw-r--r--drivers/scsi/sd.h21
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index d00966d6b41e..c8d986368da9 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -157,27 +157,6 @@ static inline unsigned int logical_to_bytes(struct scsi_device *sdev, sector_t b
}
/*
- * A DIF-capable target device can be formatted with different
- * protection schemes. Currently 0 through 3 are defined:
- *
- * Type 0 is regular (unprotected) I/O
- *
- * Type 1 defines the contents of the guard and reference tags
- *
- * Type 2 defines the contents of the guard and reference tags and
- * uses 32-byte commands to seed the latter
- *
- * Type 3 defines the contents of the guard tag only
- */
-
-enum sd_dif_target_protection_types {
- SD_DIF_TYPE0_PROTECTION = 0x0,
- SD_DIF_TYPE1_PROTECTION = 0x1,
- SD_DIF_TYPE2_PROTECTION = 0x2,
- SD_DIF_TYPE3_PROTECTION = 0x3,
-};
-
-/*
* Look up the DIX operation based on whether the command is read or
* write and whether dix and dif are enabled.
*/