From a44e4e8b6bf22926be6ed63f99def5e62953ac08 Mon Sep 17 00:00:00 2001 From: James Smart Date: Fri, 21 Apr 2017 16:04:45 -0700 Subject: [PATCH] Standardize nvme SGL segment count Standardize default SGL segment count for nvme target and initiator The driver needs to make them the same for clarity. Signed-off-by: Dick Kennedy Signed-off-by: James Smart Reviewed-by: Johannes Thumshirn --- drivers/scsi/lpfc/lpfc_nvme.h | 4 +--- drivers/scsi/lpfc/lpfc_nvmet.c | 2 +- drivers/scsi/lpfc/lpfc_nvmet.h | 4 +--- 3 files changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index 1347deb8dd6c..62777965f92f 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -21,9 +21,7 @@ * included with this package. * ********************************************************************/ -#define LPFC_NVME_MIN_SEGS 16 -#define LPFC_NVME_DEFAULT_SEGS 66 /* 256K IOs - 64 + 2 */ -#define LPFC_NVME_MAX_SEGS 510 +#define LPFC_NVME_DEFAULT_SEGS (64 + 1) /* 256K IOs */ #define LPFC_NVMET_MIN_POSTBUF 16 #define LPFC_NVMET_DEFAULT_POSTBUF 1024 #define LPFC_NVMET_MAX_POSTBUF 4096 diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index d488c3318d4b..c8a49418b735 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -709,7 +709,7 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) pinfo.port_id = vport->fc_myDID; lpfc_tgttemplate.max_hw_queues = phba->cfg_nvme_io_channel; - lpfc_tgttemplate.max_sgl_segments = phba->cfg_sg_seg_cnt; + lpfc_tgttemplate.max_sgl_segments = phba->cfg_sg_seg_cnt + 1; lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP | NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED | NVMET_FCTGTFEAT_CMD_IN_ISR | diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index 02735fc6fd41..d8bac4c61541 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -21,9 +21,7 @@ * included with this package. * ********************************************************************/ -#define LPFC_NVMET_MIN_SEGS 16 -#define LPFC_NVMET_DEFAULT_SEGS 64 /* 256K IOs */ -#define LPFC_NVMET_MAX_SEGS 510 +#define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */ #define LPFC_NVMET_SUCCESS_LEN 12 /* Used for NVME Target */ -- 2.39.5