From 97a9ed3b3ae8eae27a231129c0939151879d5f2b Mon Sep 17 00:00:00 2001 From: James Smart Date: Fri, 18 Oct 2019 14:18:17 -0700 Subject: [PATCH] scsi: lpfc: fix lpfc_nvmet_mrq to be bound by hdw queue count Currently, lpfc_nvmet_mrq is always scaled back to the min(lpfc_nvmet_mrq, lpfc_irq_chann). There's no reason to reduce it to the number of interrupt vectors. Rather, it should be scaled down based on the number of hardware queues for the system (if lower than max of 16). Change scaling to use hardware queue count rather than interrupt vector count. Link: https://lore.kernel.org/r/20191018211832.7917-2-jsmart2021@gmail.com Signed-off-by: Dick Kennedy Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_attr.c | 6 +++--- drivers/scsi/lpfc/lpfc_init.c | 6 ++---- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index e4c89e56c632..266a71b01c47 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -7264,11 +7264,11 @@ lpfc_nvme_mod_param_dep(struct lpfc_hba *phba) } if (!phba->cfg_nvmet_mrq) - phba->cfg_nvmet_mrq = phba->cfg_irq_chann; + phba->cfg_nvmet_mrq = phba->cfg_hdw_queue; /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */ - if (phba->cfg_nvmet_mrq > phba->cfg_irq_chann) { - phba->cfg_nvmet_mrq = phba->cfg_irq_chann; + if (phba->cfg_nvmet_mrq > phba->cfg_hdw_queue) { + phba->cfg_nvmet_mrq = phba->cfg_hdw_queue; lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, "6018 Adjust lpfc_nvmet_mrq to %d\n", phba->cfg_nvmet_mrq); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a0aa7a555811..d2cb3b0d1849 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -8630,8 +8630,8 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) */ if (phba->nvmet_support) { - if (phba->cfg_irq_chann < phba->cfg_nvmet_mrq) - phba->cfg_nvmet_mrq = phba->cfg_irq_chann; + if (phba->cfg_hdw_queue < phba->cfg_nvmet_mrq) + phba->cfg_nvmet_mrq = phba->cfg_hdw_queue; if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX) phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX; } @@ -11033,8 +11033,6 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba) phba->cfg_irq_chann, vectors); if (phba->cfg_irq_chann > vectors) phba->cfg_irq_chann = vectors; - if (phba->nvmet_support && (phba->cfg_nvmet_mrq > vectors)) - phba->cfg_nvmet_mrq = vectors; } return rc; -- 2.39.5