diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 9ff4abb966af..5489cc7d06d5 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -6447,6 +6447,14 @@ lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, mbox->u.mqe.un.set_feature.feature = LPFC_SET_DUAL_DUMP; mbox->u.mqe.un.set_feature.param_len = 4; break; + case LPFC_SET_ENABLE_MI: + mbox->u.mqe.un.set_feature.feature = LPFC_SET_ENABLE_MI; + mbox->u.mqe.un.set_feature.param_len = 4; + bf_set(lpfc_mbx_set_feature_milunq, &mbox->u.mqe.un.set_feature, + phba->pport->cfg_lun_queue_depth); + bf_set(lpfc_mbx_set_feature_mi, &mbox->u.mqe.un.set_feature, + phba->sli4_hba.pc_sli4_params.mi_ver); + break; } return; @@ -7499,6 +7507,99 @@ static void lpfc_sli4_dip(struct lpfc_hba *phba) } } +/** + * lpfc_cmf_setup - Initialize idle_stat tracking + * @phba: Pointer to HBA context object. + * + * This is called from HBA setup during driver load or when the HBA + * comes online. this does all the initialization to support CMF and MI. + **/ +static int +lpfc_cmf_setup(struct lpfc_hba *phba) +{ + LPFC_MBOXQ_t *mboxq; + struct lpfc_mqe *mqe; + struct lpfc_pc_sli4_params *sli4_params; + struct lpfc_sli4_parameters *mbx_sli4_parameters; + int length; + int rc, mi_ver; + + mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mboxq) + return -ENOMEM; + mqe = &mboxq->u.mqe; + + /* Read the port's SLI4 Config Parameters */ + length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - + sizeof(struct lpfc_sli4_cfg_mhdr)); + lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, + length, LPFC_SLI4_MBX_EMBED); + + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + if (unlikely(rc)) { + mempool_free(mboxq, phba->mbox_mem_pool); + return rc; + } + + /* Gather info on MI support */ + sli4_params = &phba->sli4_hba.pc_sli4_params; + mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; + sli4_params->mi_ver = bf_get(cfg_mi_ver, mbx_sli4_parameters); + + /* Are we forcing MI off via module parameter? */ + if (!phba->cfg_enable_mi) + sli4_params->mi_ver = 0; + + /* Always try to enable MI feature if we can */ + if (sli4_params->mi_ver) { + lpfc_set_features(phba, mboxq, LPFC_SET_ENABLE_MI); + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + mi_ver = bf_get(lpfc_mbx_set_feature_mi, + &mboxq->u.mqe.un.set_feature); + + if (rc == MBX_SUCCESS) { + if (mi_ver) { + lpfc_printf_log(phba, + KERN_WARNING, LOG_CGN_MGMT, + "6215 MI is enabled\n"); + sli4_params->mi_ver = mi_ver; + } else { + lpfc_printf_log(phba, + KERN_WARNING, LOG_CGN_MGMT, + "6338 MI is disabled\n"); + sli4_params->mi_ver = 0; + } + } else { + /* mi_ver is already set from GET_SLI4_PARAMETERS */ + lpfc_printf_log(phba, KERN_INFO, + LOG_CGN_MGMT | LOG_INIT, + "6245 Enable MI Mailbox x%x (x%x/x%x) " + "failed, rc:x%x mi:x%x\n", + bf_get(lpfc_mqe_command, &mboxq->u.mqe), + lpfc_sli_config_mbox_subsys_get + (phba, mboxq), + lpfc_sli_config_mbox_opcode_get + (phba, mboxq), + rc, sli4_params->mi_ver); + } + } else { + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "6217 MI is disabled\n"); + } + + /* Ensure FDMI is enabled for MI if enable_mi is set */ + if (sli4_params->mi_ver) + phba->cfg_fdmi_on = LPFC_FDMI_SUPPORT; + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "6470 Setup MI version %d\n", + sli4_params->mi_ver); + + mempool_free(mboxq, phba->mbox_mem_pool); + return 0; +} + static int lpfc_set_host_tm(struct lpfc_hba *phba) { @@ -7637,6 +7738,8 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, "6468 Set host date / time: Status x%x:\n", rc); + lpfc_cmf_setup(phba); + /* * Continue initialization with default values even if driver failed * to read FCoE param config regions, only read parameters if the |