[SCSI] lpfc 8.3.36: Update DIF support for passthru/strip/insert
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index fd2ff5a..60e5a177 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3227,6 +3227,21 @@
}
}
+ switch (scsi_get_prot_op(scsi_cmnd)) {
+ case SCSI_PROT_WRITE_STRIP:
+ case SCSI_PROT_READ_STRIP:
+ lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_STRIP;
+ break;
+ case SCSI_PROT_WRITE_INSERT:
+ case SCSI_PROT_READ_INSERT:
+ lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_INSERT;
+ break;
+ case SCSI_PROT_WRITE_PASS:
+ case SCSI_PROT_READ_PASS:
+ lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_PASS;
+ break;
+ }
+
fcpdl = lpfc_bg_scsi_adjust_dl(phba, lpfc_cmd);
fcp_cmnd->fcpDl = be32_to_cpu(fcpdl);
@@ -3236,7 +3251,6 @@
* we need to set word 4 of IOCB here
*/
iocb_cmd->un.fcpi.fcpi_parm = fcpdl;
- lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF;
return 0;
err:
