scsi: qla2xxx: Add debug prints in the device remove path

[ Upstream commit f12d2d130efc49464ef0666789bfeb9073162743 ]

Add a debug print in the devloss callback.

Link: https://lore.kernel.org/r/20220616053508.27186-9-njavali@marvell.com
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Stable-dep-of: 9ae615c5bfd3 ("scsi: qla2xxx: Fix hang in task management")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index de57d45ffc5cbf296a1bcbb898acb55ff5ff3dfa..4a5df867057bcee555b0557dd362b884c040ffcc 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2705,6 +2705,9 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
        if (!fcport)
                return;
 
+       ql_dbg(ql_dbg_async, fcport->vha, 0x5101,
+              DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d",
+                               rport->port_state));
 
        /*
         * Now that the rport has been deleted, set the fcport state to

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index bbeb116c16cc34a1f13cdce10df75b94d0d0082b..2a2bca2fb57ee027b7961875392603c11fdba87b 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -5475,4 +5475,10 @@ struct ql_vnd_tgt_stats_resp {
 #define IS_SESSION_DELETED(_fcport) (_fcport->disc_state == DSC_DELETE_PEND || \
                                      _fcport->disc_state == DSC_DELETED)
 
+#define DBG_FCPORT_PRFMT(_fp, _fmt, _args...) \
+       "%s: %8phC: " _fmt " (state=%d disc_state=%d scan_state=%d loopid=0x%x deleted=%d flags=0x%x)\n", \
+       __func__, _fp->port_name, ##_args, atomic_read(&_fp->state), \
+       _fp->disc_state, _fp->scan_state, _fp->loop_id, _fp->deleted, \
+       _fp->flags
+
 #endif