linux-kernel - [RESENT PATCH RFC v3 4/5] scsi: ufs: add unit and geometry parameters for HPB

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Message-Id: <20200504142032.16619-5-beanhuo@micron.com>
Date:   Mon,  4 May 2020 16:20:31 +0200
From:   huobean@...il.com
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org, rdunlap@...radead.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        hch@...radead.org
Subject: [RESENT PATCH RFC v3 4/5] scsi: ufs: add unit and geometry parameters for HPB

From: Bean Huo <beanhuo@...ron.com>

Add HPB related parameters introduced in Unit Descriptor and
Geometry Descriptor.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufs.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 1f2d4b4950b8..6210e489d2ce 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -219,6 +219,9 @@ enum unit_desc_param {
 	UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT	= 0x18,
 	UNIT_DESC_PARAM_CTX_CAPABILITIES	= 0x20,
 	UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1	= 0x22,
+	UNIT_DESC_PARAM_HPB_MAX_ACTIVE_REGIONS	= 0x23,
+	UNIT_DESC_PARAM_HPB_PIN_REGION_START_OFFSET	= 0x25,
+	UNIT_DESC_PARAM_HPB_NUM_PIN_REGIONS             = 0x27,
 };
 
 /* Device descriptor parameters offsets in bytes*/
@@ -304,6 +307,10 @@ enum geometry_desc_param {
 	GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS	= 0x3E,
 	GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR	= 0x42,
 	GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE	= 0x44,
+	GEOMETRY_DESC_PARAM_HPB_REGION_SIZE	= 0x48,
+	GEOMETRY_DESC_PARAM_HPB_NUMBER_LU	= 0x49,
+	GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE  = 0x4A,
+	GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGIONS = 0x4B,
 };
 
 /* Health descriptor parameters offsets in bytes*/
-- 
2.17.1