diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-08-23 16:55:47 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-24 22:29:43 -0400 |
| commit | 44fd7fe3dd2ce9dba873a0522e1eeab9ab5d5651 (patch) | |
| tree | 125bed5530d161319e33bc39c322f601d12c251d /drivers/scsi/lpfc/lpfc_attr.h | |
| parent | d58734f05ff0aaa787eeedd1e790fee6c9e92af8 (diff) | |
scsi: lpfc: Add Buffer to Buffer credit recovery support
Add Buffer to buffer credit recovery support to the driver. This is a
negotiated feature with the peer that allows for both sides to detect
dropped RRDY's and FC Frames and recover credit.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.h b/drivers/scsi/lpfc/lpfc_attr.h index d56dafcdd563..931db52692f5 100644 --- a/drivers/scsi/lpfc/lpfc_attr.h +++ b/drivers/scsi/lpfc/lpfc_attr.h @@ -46,6 +46,16 @@ lpfc_param_store(name)\ static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ lpfc_##name##_show, lpfc_##name##_store) +#define LPFC_BBCR_ATTR_RW(name, defval, minval, maxval, desc) \ +static uint lpfc_##name = defval;\ +module_param(lpfc_##name, uint, 0444);\ +MODULE_PARM_DESC(lpfc_##name, desc);\ +lpfc_param_show(name)\ +lpfc_param_init(name, defval, minval, maxval)\ +lpfc_param_store(name)\ +static DEVICE_ATTR(lpfc_##name, 0444 | 0644,\ + lpfc_##name##_show, lpfc_##name##_store) + #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ static uint lpfc_##name = defval;\ module_param(lpfc_##name, uint, S_IRUGO);\ |