diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 666495f21c24..425b83618a2e 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -2732,6 +2732,7 @@ lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; int prot_group_type = 0; int fcpdl; + struct lpfc_vport *vport = phba->pport; /* * Start the lpfc command prep by bumping the bpl beyond fcp_cmnd @@ -2837,6 +2838,14 @@ lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, */ iocb_cmd->un.fcpi.fcpi_parm = fcpdl; + /* + * For First burst, we may need to adjust the initial transfer + * length for DIF + */ + if (iocb_cmd->un.fcpi.fcpi_XRdy && + (fcpdl < vport->cfg_first_burst_size)) + iocb_cmd->un.fcpi.fcpi_XRdy = fcpdl; + return 0; err: if (lpfc_cmd->seg_cnt) @@ -3401,6 +3410,7 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; int prot_group_type = 0; int fcpdl; + struct lpfc_vport *vport = phba->pport; /* * Start the lpfc command prep by bumping the sgl beyond fcp_cmnd @@ -3517,6 +3527,14 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, iocb_cmd->un.fcpi.fcpi_parm = fcpdl; /* + * For First burst, we may need to adjust the initial transfer + * length for DIF + */ + if (iocb_cmd->un.fcpi.fcpi_XRdy && + (fcpdl < vport->cfg_first_burst_size)) + iocb_cmd->un.fcpi.fcpi_XRdy = fcpdl; + + /* * If the OAS driver feature is enabled and the lun is enabled for * OAS, set the oas iocb related flags. */ |