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From d5fb625b45bc7b96530fe7e537be19e2f02945e1 Mon Sep 17 00:00:00 2001
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From: Himanshu Madhani <hmadhani@redhat.com>
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Date: Thu, 1 Aug 2019 15:54:32 -0400
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Subject: [PATCH 012/124] [scsi] scsi: qla2xxx: Restore FAWWPN of Physical Port
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only for loop down
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Message-id: <20190801155618.12650-13-hmadhani@redhat.com>
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Patchwork-id: 267786
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O-Subject: [RHEL 7.8 e-stor PATCH 012/118] scsi: qla2xxx: Restore FAWWPN of Physical Port only for loop down
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Bugzilla: 1729270
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
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From: Sawan Chandak <schandak@marvell.com>
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Bugzilla 1729270
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When loop was made down explicitly due to cable pull, then for N2N toplogy,
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if FAWWPN BIT is enabled by user, then it would restore some default
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(garbage) value for Physical port WWPN, so this show garbage WWPN for the
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port. Fix is, to restore physical port WWPN, if it is fabric
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configuration. When loop is explicitly made down, and FAWWPN feature is
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enabled, then driver need to restore original flashed WWPN.
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Signed-off-by: Sawan Chandak <schandak@marvell.com>
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Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
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Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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(cherry picked from commit dcbf8f8087ebc4d721fd55c4c2072f1a97f6ef6d)
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Signed-off-by: Himanshu Madhani <hmadhani@redhat.com>
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Signed-off-by: Jan Stancek <jstancek@redhat.com>
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---
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drivers/scsi/qla2xxx/qla_isr.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
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index d3af28eff7f6..8e5467ee957d 100644
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--- a/drivers/scsi/qla2xxx/qla_isr.c
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+++ b/drivers/scsi/qla2xxx/qla_isr.c
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@@ -833,7 +833,8 @@ skip_rio:
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* Restore for Physical Port only
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*/
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if (!vha->vp_idx) {
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- if (ha->flags.fawwpn_enabled) {
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+ if (ha->flags.fawwpn_enabled &&
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+ (ha->current_topology == ISP_CFG_F)) {
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void *wwpn = ha->init_cb->port_name;
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memcpy(vha->port_name, wwpn, WWN_SIZE);
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fc_host_port_name(vha->host) =
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--
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2.13.6
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