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From:   Sasha Levin <sashal@kernel.org>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc:     James Smart <jsmart2021@gmail.com>,
        Justin Tee <justin.tee@broadcom.com>,
        "Martin K . Petersen" <martin.petersen@oracle.com>,
        Sasha Levin <sashal@kernel.org>, linux-scsi@vger.kernel.org
Subject: [PATCH AUTOSEL 5.4 06/37] scsi: lpfc: Fix cq_id truncation in rq create
Date:   Thu,  9 Sep 2021 20:21:11 -0400
Message-Id: <20210910002143.175731-6-sashal@kernel.org>
In-Reply-To: <20210910002143.175731-1-sashal@kernel.org>
References: <20210910002143.175731-1-sashal@kernel.org>
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From: James Smart <jsmart2021@gmail.com>

[ Upstream commit df3d78c3eb4eba13b3ef9740a8c664508ee644ae ]

On the newer hardware, CQ_ID values can be larger than seen on previous
generations. This exposed an issue in the driver where its definition of
cq_id in the RQ Create mailbox cmd was too small, thus the cq_id was
truncated, causing the command to fail.

Revise the RQ_CREATE CQ_ID field to its proper size (16 bits).

Link: https://lore.kernel.org/r/20210722221721.74388-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/lpfc/lpfc_hw4.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index b8a772f80d6c..b4bb82308d7b 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -1548,7 +1548,7 @@ struct rq_context {
 #define lpfc_rq_context_hdr_size_WORD	word1
 	uint32_t word2;
 #define lpfc_rq_context_cq_id_SHIFT	16
-#define lpfc_rq_context_cq_id_MASK	0x000003FF
+#define lpfc_rq_context_cq_id_MASK	0x0000FFFF
 #define lpfc_rq_context_cq_id_WORD	word2
 #define lpfc_rq_context_buf_size_SHIFT	0
 #define lpfc_rq_context_buf_size_MASK	0x0000FFFF
-- 
2.30.2