[SCSI] lpfc 8.3.0 : Add BlockGuard support (T10-DIF) code

Add SCSI data path, error handling, and debugfs code to complete
BlockGuard support.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index 437f182e2322..c7c440d5fa29 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -124,6 +124,8 @@ struct lpfc_scsi_buf {
         uint32_t   seg_cnt;     /* Number of scatter-gather segments returned by
                                  * dma_map_sg.  The driver needs this for calls
                                  * to dma_unmap_sg. */
+        uint32_t prot_seg_cnt;  /* seg_cnt's counterpart for protection data */
+
         dma_addr_t nonsg_phys;  /* Non scatter-gather physical address. */
 
         /*