diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 73d3afc..e2ac7ba 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -961,6 +961,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535, LPFC_ATTR_RW(poll_tmo, 10, 1, 255, "Milliseconds driver will wait between polling FCP ring"); +/* +# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that +# support this feature +# 0 = MSI disabled (default) +# 1 = MSI enabled +# Value range is [0,1]. Default value is 0. +*/ +LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); + struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_info, @@ -999,6 +1008,7 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_issue_reset, &class_device_attr_lpfc_poll, &class_device_attr_lpfc_poll_tmo, + &class_device_attr_lpfc_use_msi, &class_device_attr_lpfc_soft_wwpn, &class_device_attr_lpfc_soft_wwpn_enable, NULL, @@ -1801,6 +1811,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_discovery_threads_init(phba, lpfc_discovery_threads); lpfc_max_luns_init(phba, lpfc_max_luns); lpfc_poll_tmo_init(phba, lpfc_poll_tmo); + lpfc_use_msi_init(phba, lpfc_use_msi); lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); phba->cfg_poll = lpfc_poll; |