linux-kernel - RE: [RFC PATCH 1/5] scsi: ufs: Add UFS feature related parameter

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Date:   Sat, 6 Jun 2020 12:11:43 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        ALIM AKHTAR <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "bvanassche@....org" <bvanassche@....org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sang-yoon Oh <sangyoon.oh@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        Adel Choi <adel.choi@...sung.com>,
        BoRam Shin <boram.shin@...sung.com>
Subject: RE: [RFC PATCH 1/5] scsi: ufs: Add UFS feature related parameter


OMETRY_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,

Maybe also add bit7 to the enum of dExtendedUFSFeaturesSupport ?

> @@ -571,6 +581,7 @@ 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;
> --
> 2.17.1