linux-kernel - [PATCH 4.19 173/422] scsi: qla2xxx: Increase abort timeout value

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Message-Id: <20191119051409.638874617@linuxfoundation.org>
Date:   Tue, 19 Nov 2019 06:16:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Quinn Tran <quinn.tran@...ium.com>,
        Himanshu Madhani <himanshu.madhani@...ium.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 173/422] scsi: qla2xxx: Increase abort timeout value

From: Quinn Tran <quinn.tran@...ium.com>

[ Upstream commit 8bccfe0d21b5adbba6ec4fe1776160b80d09f78a ]

Abort IOCB request can take up to 40s or 2 ABTS timeout.  We will wait for
ABTS response for 20s. On a timeout, second ABTS can go out with another 20s
timeout. On 2nd ABTS timeout FW will automatically do Logout.

Signed-off-by: Quinn Tran <quinn.tran@...ium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@...ium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 733a55c09b1ca..8f502505aa796 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1789,7 +1789,8 @@ qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 
 	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 	init_completion(&abt_iocb->u.abt.comp);
-	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
+	/* FW can send 2 x ABTS's timeout/20s */
+	qla2x00_init_timer(sp, 42);
 
 	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 	abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
-- 
2.20.1