diff options
| author | Quinn Tran <qutran@marvell.com> | 2021-08-17 08:13:13 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-24 05:36:54 +0300 |
| commit | 7a8ff7d9854a1727435557184c8255bbbca60920 (patch) | |
| tree | 7e5543d3e3a2592f8e3a683debe8c3c01a9af3d7 /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | f88444570072a6863f3e2bd67878560a51b187f2 (diff) | |
| download | linux-7a8ff7d9854a1727435557184c8255bbbca60920.tar.xz | |
scsi: qla2xxx: Fix NVMe session down detection
When Target port transitions personality from one to another (NVMe <-->
FCP), there could be some overlap of the two where one layer is going down
while the other layer is coming up. This overlap can cause temporary I/O
error. Detect those errors/transitions and recover from them. Triggers
session tear down and allow relogin to re-drive the connection under the
following conditions:
- NVMe command error
- On PRLO + N2N (rida format 2)
Link: https://lore.kernel.org/r/20210817051315.2477-11-njavali@marvell.com
Signed-off-by: Quinn Tran <qutran@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_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 438af0d55135..7811c4952035 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -4190,6 +4190,16 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, rptid_entry->u.f2.remote_nport_id[1]; fcport->d_id.b.al_pa = rptid_entry->u.f2.remote_nport_id[0]; + + /* + * For the case where remote port sending PRLO, FW + * sends up RIDA Format 2 as an indication of session + * loss. In other word, FW state change from PRLI + * complete back to PLOGI complete. Delete the + * session and let relogin drive the reconnect. + */ + if (atomic_read(&fcport->state) == FCS_ONLINE) + qlt_schedule_sess_for_deletion(fcport); } } } |