This is a note to let you know that I've just added the patch titled

scsi: qla2xxx: Retry switch command on time out

to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: scsi-qla2xxx-retry-switch-command-on-time-out.patch and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 25ad76b703d9ad536f3411b15b1070aeb059ab55 Mon Sep 17 00:00:00 2001

From: Quinn Tran quinn.tran@cavium.com Date: Mon, 4 Dec 2017 14:45:01 -0800 Subject: scsi: qla2xxx: Retry switch command on time out

From: Quinn Tran quinn.tran@cavium.com

commit 25ad76b703d9ad536f3411b15b1070aeb059ab55 upstream.

Retry GID_PN & GPN_ID switch commands for time out case.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery") Cc: stable@vger.kernel.org # 4.10+ Signed-off-by: Quinn Tran quinn.tran@cavium.com Signed-off-by: Himanshu Madhani himanshu.madhani@cavium.com Reviewed-by: Hannes Reinecke hare@suse.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/scsi/qla2xxx/qla_gs.c | 34 ++++++++++++++++++++++++++-------- 1 file changed, 26 insertions(+), 8 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -175,6 +175,9 @@ qla2x00_chk_ms_status(scsi_qla_host_t *v set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); } break; + case CS_TIMEOUT: + rval = QLA_FUNCTION_TIMEOUT; + /* drop through */ default: ql_dbg(ql_dbg_disc, vha, 0x2033, "%s failed, completion status (%x) on port_id: " @@ -2889,9 +2892,22 @@ static void qla2x00_async_gidpn_sp_done( ea.rc = res; ea.event = FCME_GIDPN_DONE;

- ql_dbg(ql_dbg_disc, vha, 0x204f, - "Async done-%s res %x, WWPN %8phC ID %3phC \n", - sp->name, res, fcport->port_name, id); + if (res == QLA_FUNCTION_TIMEOUT) { + ql_dbg(ql_dbg_disc, sp->vha, 0xffff, + "Async done-%s WWPN %8phC timed out.\n", + sp->name, fcport->port_name); + qla24xx_post_gidpn_work(sp->vha, fcport); + sp->free(sp); + return; + } else if (res) { + ql_dbg(ql_dbg_disc, sp->vha, 0xffff, + "Async done-%s fail res %x, WWPN %8phC\n", + sp->name, res, fcport->port_name); + } else { + ql_dbg(ql_dbg_disc, vha, 0x204f, + "Async done-%s good WWPN %8phC ID %3phC\n", + sp->name, fcport->port_name, id); + }

qla2x00_fcport_event_handler(vha, &ea);

@@ -3217,11 +3233,6 @@ static void qla2x00_async_gpnid_sp_done( sp->name, ct_req->req.port_id.port_id, ct_rsp->rsp.gpn_id.port_name);

- if (res) { - sp->free(sp); - return; - } - memset(&ea, 0, sizeof(ea)); memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE); ea.sp = sp; @@ -3231,6 +3242,13 @@ static void qla2x00_async_gpnid_sp_done( ea.rc = res; ea.event = FCME_GPNID_DONE;

+ if (res) { + if (res == QLA_FUNCTION_TIMEOUT) + qla24xx_post_gpnid_work(sp->vha, &ea.id); + sp->free(sp); + return; + } + qla2x00_fcport_event_handler(vha, &ea);

e = qla2x00_alloc_work(vha, QLA_EVT_GPNID_DONE);

Patches currently in stable-queue which might be from quinn.tran@cavium.com are

queue-4.14/scsi-qla2xxx-retry-switch-command-on-time-out.patch queue-4.14/scsi-qla2xxx-fix-abort-command-deadlock-due-to-spinlock.patch queue-4.14/scsi-qla2xxx-fix-re-login-for-nport-handle-in-use.patch queue-4.14/scsi-qla2xxx-fix-login-state-machine-stuck-at-gpdb.patch queue-4.14/scsi-qla2xxx-fix-system-crash-for-notify-ack-timeout-handling.patch queue-4.14/scsi-qla2xxx-replace-fcport-alloc-with-qla2x00_alloc_fcport.patch queue-4.14/scsi-qla2xxx-clear-loop-id-after-delete.patch queue-4.14/scsi-qla2xxx-fix-relogin-being-triggered-too-fast.patch queue-4.14/scsi-qla2xxx-skip-irq-affinity-for-target-qpairs.patch queue-4.14/scsi-qla2xxx-fix-scan-state-field-for-fcport.patch queue-4.14/scsi-qla2xxx-fix-prli-state-check.patch queue-4.14/scsi-qla2xxx-fix-system-crash-in-qlt_plogi_ack_unref.patch queue-4.14/scsi-qla2xxx-serialize-gpnid-for-multiple-rscn.patch queue-4.14/scsi-qla2xxx-fix-gpnid-error-processing.patch queue-4.14/scsi-qla2xxx-move-session-delete-to-driver-work-queue.patch