From ef3eb71d8ba4fd9d48c5f9310bc9d90ca00323b4 Mon Sep 17 00:00:00 2001 From: Felix Beck Date: Fri, 16 Jul 2010 15:37:42 +0200 Subject: [SCSI] zfcp: Introduce experimental support for DIF/DIX Introduce support for DIF/DIX in zfcp: Report the capabilities for the Scsi_host, map the protection data when issuing I/O requests and handle the new error codes. Also add the fsf data_direction field to the hba trace, it is useful information for debugging in that area. This is an EXPERIMENTAL feature for now. Signed-off-by: Felix Beck Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_fc.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/s390/scsi/zfcp_fc.h') diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h index 85c37d2b82c..938d5036016 100644 --- a/drivers/s390/scsi/zfcp_fc.h +++ b/drivers/s390/scsi/zfcp_fc.h @@ -220,6 +220,9 @@ void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi) memcpy(fcp->fc_cdb, scsi->cmnd, scsi->cmd_len); fcp->fc_dl = scsi_bufflen(scsi); + + if (scsi_get_prot_type(scsi) == SCSI_PROT_DIF_TYPE1) + fcp->fc_dl += fcp->fc_dl / scsi->device->sector_size * 8; } /** -- cgit v1.2.3-18-g5258