linux-kernel - [PATCH v3 1/3] scsi: ufs: core: add wb buffer resize related attr

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Message-Id: <20230911055810.879-2-luhongfei@vivo.com>
Date:   Mon, 11 Sep 2023 13:57:06 +0800
From:   Lu Hongfei <luhongfei@...o.com>
To:     Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Lu Hongfei <luhongfei@...o.com>, Bean Huo <beanhuo@...ron.com>,
        Can Guo <quic_cang@...cinc.com>,
        Arthur Simchaev <arthur.simchaev@....com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Asutosh Das <quic_asutoshd@...cinc.com>,
        "Bao D. Nguyen" <quic_nguyenb@...cinc.com>,
        Po-Wen Kao <powen.kao@...iatek.com>,
        Eric Biggers <ebiggers@...gle.com>,
        Keoseong Park <keosung.park@...sung.com>,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Cc:     opensource.kernel@...o.com
Subject: [PATCH v3 1/3] scsi: ufs: core: add wb buffer resize related attr_idn

As we know, the ballot for resizing the WriteBooster buffer has been
approved.

UFS will support the WB buffer resize function, and UFS driver can
add definitions for attr_idn related to this function to support
this feature.

Signed-off-by: Lu Hongfei <luhongfei@...o.com>
---
 include/ufs/ufs.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/ufs/ufs.h b/include/ufs/ufs.h
index 0cced88f4531..d174702ae960 100644
--- a/include/ufs/ufs.h
+++ b/include/ufs/ufs.h
@@ -179,7 +179,10 @@ enum attr_idn {
 	QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST    = 0x1E,
 	QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE        = 0x1F,
 	QUERY_ATTR_IDN_EXT_IID_EN		= 0x2A,
-	QUERY_ATTR_IDN_TIMESTAMP		= 0x30
+	QUERY_ATTR_IDN_TIMESTAMP		= 0x30,
+	QUERY_ATTR_IDN_WB_BUF_RESIZE_HINT	= 0x3C,
+	QUERY_ATTR_IDN_WB_BUF_RESIZE_EN		= 0x3D,
+	QUERY_ATTR_IDN_WB_BUF_RESIZE_STATUS	= 0x3E,
 };
 
 /* Descriptor idn for Query requests */
-- 
2.39.0