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-rw-r--r--drivers/scsi/sd.h62
1 files changed, 0 insertions, 62 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 7f43e6839bce..1080c85d97f8 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -188,68 +188,6 @@ static inline sector_t sectors_to_logical(struct scsi_device *sdev, sector_t sec
return sector >> (ilog2(sdev->sector_size) - 9);
}
-/*
- * Look up the DIX operation based on whether the command is read or
- * write and whether dix and dif are enabled.
- */
-static inline unsigned int sd_prot_op(bool write, bool dix, bool dif)
-{
- /* Lookup table: bit 2 (write), bit 1 (dix), bit 0 (dif) */
- const unsigned int ops[] = { /* wrt dix dif */
- SCSI_PROT_NORMAL, /* 0 0 0 */
- SCSI_PROT_READ_STRIP, /* 0 0 1 */
- SCSI_PROT_READ_INSERT, /* 0 1 0 */
- SCSI_PROT_READ_PASS, /* 0 1 1 */
- SCSI_PROT_NORMAL, /* 1 0 0 */
- SCSI_PROT_WRITE_INSERT, /* 1 0 1 */
- SCSI_PROT_WRITE_STRIP, /* 1 1 0 */
- SCSI_PROT_WRITE_PASS, /* 1 1 1 */
- };
-
- return ops[write << 2 | dix << 1 | dif];
-}
-
-/*
- * Returns a mask of the protection flags that are valid for a given DIX
- * operation.
- */
-static inline unsigned int sd_prot_flag_mask(unsigned int prot_op)
-{
- const unsigned int flag_mask[] = {
- [SCSI_PROT_NORMAL] = 0,
-
- [SCSI_PROT_READ_STRIP] = SCSI_PROT_TRANSFER_PI |
- SCSI_PROT_GUARD_CHECK |
- SCSI_PROT_REF_CHECK |
- SCSI_PROT_REF_INCREMENT,
-
- [SCSI_PROT_READ_INSERT] = SCSI_PROT_REF_INCREMENT |
- SCSI_PROT_IP_CHECKSUM,
-
- [SCSI_PROT_READ_PASS] = SCSI_PROT_TRANSFER_PI |
- SCSI_PROT_GUARD_CHECK |
- SCSI_PROT_REF_CHECK |
- SCSI_PROT_REF_INCREMENT |
- SCSI_PROT_IP_CHECKSUM,
-
- [SCSI_PROT_WRITE_INSERT] = SCSI_PROT_TRANSFER_PI |
- SCSI_PROT_REF_INCREMENT,
-
- [SCSI_PROT_WRITE_STRIP] = SCSI_PROT_GUARD_CHECK |
- SCSI_PROT_REF_CHECK |
- SCSI_PROT_REF_INCREMENT |
- SCSI_PROT_IP_CHECKSUM,
-
- [SCSI_PROT_WRITE_PASS] = SCSI_PROT_TRANSFER_PI |
- SCSI_PROT_GUARD_CHECK |
- SCSI_PROT_REF_CHECK |
- SCSI_PROT_REF_INCREMENT |
- SCSI_PROT_IP_CHECKSUM,
- };
-
- return flag_mask[prot_op];
-}
-
#ifdef CONFIG_BLK_DEV_INTEGRITY
extern void sd_dif_config_host(struct scsi_disk *);