diff options
| author | Saurav Kashyap <skashyap@marvell.com> | 2021-01-11 01:31:28 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-01-13 00:25:19 -0500 |
| commit | dbf1f53cfd238090c69f92725b91208b97eb53fe (patch) | |
| tree | d46e4bcfebe1e440572a2071d26541dfb8f9a697 /drivers/scsi/qla2xxx/qla_os.c | |
| parent | ac341c2d2f1f72bc48e7950bb648466d015e657d (diff) | |
| download | linux-dbf1f53cfd238090c69f92725b91208b97eb53fe.tar.bz2 | |
scsi: qla2xxx: Implementation to get and manage host, target stats and initiator port
This statistics will help in debugging process and checking specific error
counts. It also provides a capability to isolate the port or bring it out
of isolation.
Link: https://lore.kernel.org/r/20210111093134.1206-2-njavali@marvell.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f80abe28f35a..a760cb38e487 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1274,6 +1274,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) sp = scsi_cmd_priv(cmd); qpair = sp->qpair; + vha->cmd_timeout_cnt++; + if ((sp->fcport && sp->fcport->deleted) || !qpair) return SUCCESS; @@ -1442,6 +1444,7 @@ eh_reset_failed: "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name, reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun, cmd); + vha->reset_cmd_err_cnt++; return FAILED; } @@ -3141,6 +3144,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED; ha->mr.fcport.scan_state = 1; + qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN | + QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT | + QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN); + /* Set the SG table size based on ISP type */ if (!IS_FWI2_CAPABLE(ha)) { if (IS_QLA2100(ha)) @@ -5090,6 +5097,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) fcport->d_id = e->u.new_sess.id; fcport->flags |= FCF_FABRIC_DEVICE; fcport->fw_login_state = DSC_LS_PLOGI_PEND; + fcport->tgt_short_link_down_cnt = 0; memcpy(fcport->port_name, e->u.new_sess.port_name, WWN_SIZE); @@ -7061,6 +7069,8 @@ qla2x00_timer(struct timer_list *t) uint16_t w; struct qla_hw_data *ha = vha->hw; struct req_que *req; + unsigned long flags; + fc_port_t *fcport = NULL; if (ha->flags.eeh_busy) { ql_dbg(ql_dbg_timer, vha, 0x6000, @@ -7092,6 +7102,16 @@ qla2x00_timer(struct timer_list *t) if (!vha->vp_idx && IS_QLAFX00(ha)) qlafx00_timer_routine(vha); + if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME) + vha->link_down_time++; + + spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME) + fcport->tgt_link_down_time++; + } + spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + /* Loop down handler. */ if (atomic_read(&vha->loop_down_timer) > 0 && !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) && |