diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 11 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_disc.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 5 |
6 files changed, 30 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 93f222d66716..f59aa2124ea2 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -421,6 +421,7 @@ struct lpfc_vport { uint32_t cfg_enable_da_id; uint32_t cfg_max_scsicmpl_time; uint32_t cfg_tgt_queue_depth; + uint32_t cfg_first_burst_size; uint32_t dev_loss_tmo_changed; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 745ba85a8993..cb7b779aafe9 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -3950,6 +3950,14 @@ LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, "Use ADISC on rediscovery to authenticate FCP devices"); /* +# lpfc_first_burst_size: First burst size to use on the NPorts +# that support first burst. +# Value range is [0,65536]. Default value is 0. +*/ +LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, + "First burst size for Targets that support first burst"); + +/* # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue # depth. Default value is 0. When the value of this parameter is zero the # SCSI command completion time is not used for controlling I/O queue depth. When @@ -4277,6 +4285,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_devloss_tmo, &dev_attr_lpfc_fcp_class, &dev_attr_lpfc_use_adisc, + &dev_attr_lpfc_first_burst_size, &dev_attr_lpfc_ack0, &dev_attr_lpfc_topology, &dev_attr_lpfc_scan_down, @@ -4353,6 +4362,7 @@ struct device_attribute *lpfc_vport_attrs[] = { &dev_attr_lpfc_restrict_login, &dev_attr_lpfc_fcp_class, &dev_attr_lpfc_use_adisc, + &dev_attr_lpfc_first_burst_size, &dev_attr_lpfc_fdmi_on, &dev_attr_lpfc_max_luns, &dev_attr_nport_evt_cnt, @@ -5332,6 +5342,7 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport) lpfc_restrict_login_init(vport, lpfc_restrict_login); lpfc_fcp_class_init(vport, lpfc_fcp_class); lpfc_use_adisc_init(vport, lpfc_use_adisc); + lpfc_first_burst_size_init(vport, lpfc_first_burst_size); lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); lpfc_fdmi_on_init(vport, lpfc_fdmi_on); lpfc_discovery_threads_init(vport, lpfc_discovery_threads); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index af49fb03dbb8..5cecfc5250a1 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -154,6 +154,7 @@ struct lpfc_node_rrq { #define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */ #define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */ #define NLP_SC_REQ 0x20000000 /* Target requires authentication */ +#define NLP_FIRSTBURST 0x40000000 /* Target supports FirstBurst */ #define NLP_RPI_REGISTERED 0x80000000 /* nlp_rpi is valid */ /* ndlp usage management macros */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 6b8ee7449f16..110445f0c58d 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -2122,6 +2122,8 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } npr->estabImagePair = 1; npr->readXferRdyDis = 1; + if (vport->cfg_first_burst_size) + npr->writeXferRdyDis = 1; /* For FCP support */ npr->prliType = PRLI_FCP_TYPE; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 6aaf39a1f1c5..abc361259d6d 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -690,11 +690,15 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + ndlp->nlp_flag &= ~NLP_FIRSTBURST; if (npr->prliType == PRLI_FCP_TYPE) { if (npr->initiatorFunc) ndlp->nlp_type |= NLP_FCP_INITIATOR; - if (npr->targetFunc) + if (npr->targetFunc) { ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->writeXferRdyDis) + ndlp->nlp_flag |= NLP_FIRSTBURST; + } if (npr->Retry) ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; } @@ -1676,12 +1680,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* Check out PRLI rsp */ ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + ndlp->nlp_flag &= ~NLP_FIRSTBURST; if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && (npr->prliType == PRLI_FCP_TYPE)) { if (npr->initiatorFunc) ndlp->nlp_type |= NLP_FCP_INITIATOR; - if (npr->targetFunc) + if (npr->targetFunc) { ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->writeXferRdyDis) + ndlp->nlp_flag |= NLP_FIRSTBURST; + } if (npr->Retry) ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 4261469619c2..1242b6c4308b 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -4387,6 +4387,11 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, if (datadir == DMA_TO_DEVICE) { iocb_cmd->ulpCommand = CMD_FCP_IWRITE64_CR; iocb_cmd->ulpPU = PARM_READ_CHECK; + if (vport->cfg_first_burst_size && + (pnode->nlp_flag & NLP_FIRSTBURST)) { + piocbq->iocb.un.fcpi.fcpi_XRdy = + vport->cfg_first_burst_size; + } fcp_cmnd->fcpCntl3 = WRITE_DATA; phba->fc4OutputRequests++; } else { |