diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f57d02c3b6cf..b43f7ac9812c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2015 Emulex. All rights reserved. * + * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -6158,11 +6158,12 @@ lpfc_create_shost(struct lpfc_hba *phba) * any initial discovery should be completed. */ vport->load_flag |= FC_ALLOW_FDMI; - if (phba->cfg_fdmi_on > LPFC_FDMI_NO_SUPPORT) { + if (phba->cfg_enable_SmartSAN || + (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { /* Setup appropriate attribute masks */ vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; - if (phba->cfg_fdmi_on == LPFC_FDMI_SMART_SAN) + if (phba->cfg_enable_SmartSAN) vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; else vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; @@ -7264,8 +7265,15 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) phba->sli4_hba.fcp_cq[idx] = qdesc; /* Create Fast Path FCP WQs */ - qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, - phba->sli4_hba.wq_ecount); + if (phba->fcp_embed_io) { + qdesc = lpfc_sli4_queue_alloc(phba, + LPFC_WQE128_SIZE, + LPFC_WQE128_DEF_COUNT); + } else { + qdesc = lpfc_sli4_queue_alloc(phba, + phba->sli4_hba.wq_esize, + phba->sli4_hba.wq_ecount); + } if (!qdesc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0503 Failed allocate fast-path FCP " @@ -9510,6 +9518,15 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; + /* + * Issue IOs with CDB embedded in WQE to minimized the number + * of DMAs the firmware has to do. Setting this to 1 also forces + * the driver to use 128 bytes WQEs for FCP IOs. + */ + if (bf_get(cfg_ext_embed_cb, mbx_sli4_parameters)) + phba->fcp_embed_io = 1; + else + phba->fcp_embed_io = 0; return 0; } |