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From 6ae9cc7375f15c0c6b6b24b1f39824c5631ca056 Mon Sep 17 00:00:00 2001
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From: Himanshu Madhani <hmadhani@redhat.com>
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Date: Fri, 8 Nov 2019 20:28:02 -0500
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Subject: [PATCH 125/155] [scsi] scsi: qla2xxx: Initialized mailbox to prevent
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driver load failure
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Message-id: <20191108202802.16449-1-hmadhani@redhat.com>
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Patchwork-id: 284635
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O-Subject: [RHEL 7.8 e-store PATCH] scsi: qla2xxx: Initialized mailbox to prevent driver load failure
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Bugzilla: 1770307
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RH-Acked-by: Ewan Milne <emilne@redhat.com>
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RH-Acked-by: Tomas Henzl <thenzl@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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From: Himanshu Madhani <hmadhani@marvell.com>
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Bugzilla: 1770307
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Brewbuild:
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==========
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https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=24573208
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Testing:
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========
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Verified by Marvell test team
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This patch fixes issue with Gen7 adapter in a blade environment where one
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of the ports will not be detected by driver. Firmware expects mailbox 11 to
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be set or cleared by driver for newer ISP.
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Following message is seen in the log file:
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[ 18.810892] qla2xxx [0000:d8:00.0]-1820:1: **** Failed=102 mb[0]=4005 mb[1]=37 mb[2]=20 mb[3]=8
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[ 18.819596] cmd=2 ****
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[mkp: typos]
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Link: https://lore.kernel.org/r/20191022193643.7076-2-hmadhani@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 c2ff2a36eff60efb5e123c940115216d6bf65684)
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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_mbx.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
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index 11a4c4bd62fc..e082535ed733 100644
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--- a/drivers/scsi/qla2xxx/qla_mbx.c
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+++ b/drivers/scsi/qla2xxx/qla_mbx.c
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@@ -698,6 +698,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
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mcp->mb[2] = LSW(risc_addr);
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mcp->mb[3] = 0;
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mcp->mb[4] = 0;
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+ mcp->mb[11] = 0;
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ha->flags.using_lr_setting = 0;
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if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
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IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
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@@ -742,7 +743,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
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if (ha->flags.exchoffld_enabled)
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mcp->mb[4] |= ENABLE_EXCHANGE_OFFLD;
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- mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1;
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+ mcp->out_mb |= MBX_4 | MBX_3 | MBX_2 | MBX_1 | MBX_11;
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mcp->in_mb |= MBX_3 | MBX_2 | MBX_1;
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} else {
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mcp->mb[1] = LSW(risc_addr);
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--
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2.13.6
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