return blocks * sdev->sector_size;
}
-/*
- * 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.
return flag_mask[prot_op];
}
-/*
- * Data Integrity Field tuple.
- */
-struct sd_dif_tuple {
- __be16 guard_tag; /* Checksum */
- __be16 app_tag; /* Opaque storage */
- __be32 ref_tag; /* Target LBA or indirect LBA */
-};
-
#ifdef CONFIG_BLK_DEV_INTEGRITY
extern void sd_dif_config_host(struct scsi_disk *);