diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dfs.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index 118f2b223531..6f5f18fc974a 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -261,6 +261,8 @@ qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused) struct scsi_qla_host *vha = s->private; uint16_t mb[MAX_IOCB_MB_REG]; int rc; + struct qla_hw_data *ha = vha->hw; + u16 iocbs_used, i; rc = qla24xx_res_count_wait(vha, mb, SIZEOF_IOCB_MB_REG); if (rc != QLA_SUCCESS) { @@ -285,6 +287,18 @@ qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused) mb[23]); } + if (ql2xenforce_iocb_limit) { + /* lock is not require. It's an estimate. */ + iocbs_used = ha->base_qpair->fwres.iocbs_used; + for (i = 0; i < ha->max_qpairs; i++) { + if (ha->queue_pair_map[i]) + iocbs_used += ha->queue_pair_map[i]->fwres.iocbs_used; + } + + seq_printf(s, "Driver: estimate iocb used [%d] high water limit [%d]\n", + iocbs_used, ha->base_qpair->fwres.iocbs_limit); + } + return 0; } |