[PATCH v12 1/4] scsi: ufs: Add HPB feature related parameters
From: Daejun Park
Date: Wed Sep 23 2020 - 02:45:06 EST
This is a patch for parameters to be used for HPB feature.
Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
Reviewed-by: Can Guo <cang@xxxxxxxxxxxxxx>
Acked-by: Avri Altman <Avri.Altman@xxxxxxx>
Tested-by: Bean Huo <beanhuo@xxxxxxxxxx>
Signed-off-by: Daejun Park <daejun7.park@xxxxxxxxxxx>
---
drivers/scsi/ufs/ufs.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index f8ab16f30fdc..e879ac34c065 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_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_REGS = 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,
@@ -327,8 +337,10 @@ enum {
/* Possible values for dExtendedUFSFeaturesSupport */
enum {
+ UFS_DEV_HPB_SUPPORT = BIT(7),
UFS_DEV_WRITE_BOOSTER_SUP = BIT(8),
};
+#define UFS_DEV_HPB_SUPPORT_VERSION 0x310
#define POWER_DESC_MAX_SIZE 0x62
#define POWER_DESC_MAX_ACTV_ICC_LVLS 16
@@ -537,6 +549,7 @@ 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