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Mon, 13 Jul 2020 12:13:13 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 84DC8C433AD; Mon, 13 Jul 2020 12:13:12 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: cang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7E466C433C8; Mon, 13 Jul 2020 12:13:11 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 13 Jul 2020 20:13:11 +0800 From: Can Guo To: daejun7.park@samsung.com Cc: avri.altman@wdc.com, jejb@linux.ibm.com, martin.petersen@oracle.com, asutoshd@codeaurora.org, beanhuo@micron.com, stanley.chu@mediatek.com, bvanassche@acm.org, tomas.winkler@intel.com, ALIM AKHTAR , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Sang-yoon Oh , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , Adel Choi , BoRam Shin Subject: Re: [PATCH v6 1/5] scsi: ufs: Add UFS feature related parameter In-Reply-To: <231786897.01594636801601.JavaMail.epsvc@epcpadp1> References: <963815509.21594636682161.JavaMail.epsvc@epcpadp2> <231786897.01594636801601.JavaMail.epsvc@epcpadp1> Message-ID: X-Sender: cang@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-07-13 18:38, Daejun Park wrote: > This is a patch for parameters to be used for UFS features layer and > HPB > module. > > Tested-by: Bean Huo > Signed-off-by: Daejun Park Reviewed-by: Can Guo > --- > drivers/scsi/ufs/ufs.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h > index f8ab16f30fdc..ae557b8d3eba 100644 > --- a/drivers/scsi/ufs/ufs.h > +++ b/drivers/scsi/ufs/ufs.h > @@ -122,6 +122,7 @@ enum flag_idn { > QUERY_FLAG_IDN_WB_EN = 0x0E, > QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, > QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, > + QUERY_FLAG_IDN_HPB_RESET = 0x11, > }; > > /* Attribute idn for Query requests */ > @@ -195,6 +196,9 @@ 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_HPB_LU_MAX_ACTIVE_REGIONS = 0x23, > + UNIT_DESC_HPB_LU_PIN_REGION_START_OFFSET = 0x25, > + UNIT_DESC_HPB_LU_NUM_PIN_REGIONS = 0x27, > UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29, > }; > > @@ -235,6 +239,8 @@ enum device_desc_param { > DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25, > DEVICE_DESC_PARAM_PSA_TMT = 0x29, > DEVICE_DESC_PARAM_PRDCT_REV = 0x2A, > + DEVICE_DESC_PARAM_HPB_VER = 0x40, > + DEVICE_DESC_PARAM_HPB_CONTROL = 0x42, > DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F, > DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53, > DEVICE_DESC_PARAM_WB_TYPE = 0x54, > @@ -283,6 +289,10 @@ 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_HPB_REGION_SIZE = 0x48, > + GEOMETRY_DESC_HPB_NUMBER_LU = 0x49, > + GEOMETRY_DESC_HPB_SUBREGION_SIZE = 0x4A, > + GEOMETRY_DESC_HPB_DEVICE_MAX_ACTIVE_REGIONS = 0x4B, > GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F, > GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53, > GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54, > @@ -327,6 +337,7 @@ enum { > > /* Possible values for dExtendedUFSFeaturesSupport */ > enum { > + UFS_DEV_HPB_SUPPORT = BIT(7), > UFS_DEV_WRITE_BOOSTER_SUP = BIT(8), > }; > > @@ -537,6 +548,7 @@ struct ufs_dev_info { > u8 *model; > u16 wspecversion; > u32 clk_gating_wait_us; > + u8 b_ufs_feature_sup; > u32 d_ext_ufs_feature_sup; > u8 b_wb_buffer_type; > u32 d_wb_alloc_units; > > base-commit: b53293fa662e28ae0cdd40828dc641c09f133405