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SubjectRe: [PATCH v6 1/5] scsi: ufs: Add UFS feature related parameter
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 <beanhuo@micron.com>
> Signed-off-by: Daejun Park <daejun7.park@samsung.com>

Reviewed-by: Can Guo <cang@codeaurora.org>

> ---
> 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

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