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| author | James Smart <jsmart2021@gmail.com> | 2018-04-09 23:24:24 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-04-19 01:34:02 +0200 |
| commit | 2448e484259debb1cb8f00a06a8a0a2c6edd9d80 (patch) | |
| tree | 9dc2a741309943f5a5f85352c319d09ea673dac0 /drivers/scsi/lpfc/lpfc_nvmet.h | |
| parent | scsi: lpfc: Add per io channel NVME IO statistics (diff) | |
| download | linux-2448e484259debb1cb8f00a06a8a0a2c6edd9d80.tar.xz linux-2448e484259debb1cb8f00a06a8a0a2c6edd9d80.zip | |
scsi: lpfc: Enlarge nvmet asynchronous receive buffer counts
Under large io load, the current sizing of asynchronous buffer counts
could be exceeded, indicated by a 2885 log message:
2885 Port Status Event: port status reg 0x81800000, port smphr
reg 0xc000, error 1=0x52004a01, error 2=0x0
Enlarge the async receive queue size. Allow for a configurable number
of buffers to be posted to each RQ, using the new attribute
lpfc_nvmet_mrq_post.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvmet.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvmet.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index c1bcef3f103c..81f520abfd64 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -22,8 +22,10 @@ ********************************************************************/ #define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */ -#define LPFC_NVMET_RQE_DEF_COUNT 512 -#define LPFC_NVMET_SUCCESS_LEN 12 +#define LPFC_NVMET_RQE_MIN_POST 128 +#define LPFC_NVMET_RQE_DEF_POST 512 +#define LPFC_NVMET_RQE_DEF_COUNT 2048 +#define LPFC_NVMET_SUCCESS_LEN 12 #define LPFC_NVMET_MRQ_OFF 0xffff #define LPFC_NVMET_MRQ_AUTO 0 |