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Commit 4a3a2f8a authored by Asutosh Das's avatar Asutosh Das Committed by Sahitya Tummala
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ufs: sysfs: add sysfs entries for write booster 



Adds unit, device, geometry descriptor sysfs entries.
Adds flags sysfs entries for write booster.

Change-Id: I53ac9e83baa4a012187ee215280032d96deedf62
Signed-off-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
Signed-off-by: default avatarSahitya Tummala <stummala@codeaurora.org>
parent 0b832d2e

drivers/scsi/ufs/ufs-sysfs.c

+39 −2
Original line number Diff line number Diff line
@@ -311,6 +311,10 @@ UFS_DEVICE_DESC_PARAM(device_version, _DEV_VER, 2); 
UFS_DEVICE_DESC_PARAM(number_of_secure_wpa, _NUM_SEC_WPA, 1);

UFS_DEVICE_DESC_PARAM(psa_max_data_size, _PSA_MAX_DATA, 4);

UFS_DEVICE_DESC_PARAM(psa_state_timeout, _PSA_TMT, 1);

UFS_DEVICE_DESC_PARAM(ext_feature_sup, _EXT_UFS_FEATURE_SUP, 4);

UFS_DEVICE_DESC_PARAM(wb_presv_us_en, _WB_US_RED_EN, 1);

UFS_DEVICE_DESC_PARAM(wb_type, _WB_TYPE, 1);

UFS_DEVICE_DESC_PARAM(wb_shared_alloc_units, _WB_SHARED_ALLOC_UNITS, 4);



static struct attribute *ufs_sysfs_device_descriptor[] = {

	&dev_attr_device_type.attr,
@@ -339,6 +343,10 @@ static struct attribute *ufs_sysfs_device_descriptor[] = { 
	&dev_attr_number_of_secure_wpa.attr,

	&dev_attr_psa_max_data_size.attr,

	&dev_attr_psa_state_timeout.attr,

	&dev_attr_ext_feature_sup.attr,

	&dev_attr_wb_presv_us_en.attr,

	&dev_attr_wb_type.attr,

	&dev_attr_wb_shared_alloc_units.attr,

	NULL,

};
@@ -408,6 +416,12 @@ UFS_GEOMETRY_DESC_PARAM(enh4_memory_max_alloc_units, 
	_ENM4_MAX_NUM_UNITS, 4);

UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor,

	_ENM4_CAP_ADJ_FCTR, 2);

UFS_GEOMETRY_DESC_PARAM(wb_max_alloc_units, _WB_MAX_ALLOC_UNITS, 4);

UFS_GEOMETRY_DESC_PARAM(wb_max_wb_luns, _WB_MAX_WB_LUNS, 1);

UFS_GEOMETRY_DESC_PARAM(wb_buff_cap_adj, _WB_BUFF_CAP_ADJ, 1);

UFS_GEOMETRY_DESC_PARAM(wb_sup_red_type, _WB_SUP_RED_TYPE, 1);

UFS_GEOMETRY_DESC_PARAM(wb_sup_wb_type, _WB_SUP_WB_TYPE, 1);





static struct attribute *ufs_sysfs_geometry_descriptor[] = {

	&dev_attr_raw_device_capacity.attr,
@@ -439,6 +453,11 @@ static struct attribute *ufs_sysfs_geometry_descriptor[] = { 
	&dev_attr_enh3_memory_capacity_adjustment_factor.attr,

	&dev_attr_enh4_memory_max_alloc_units.attr,

	&dev_attr_enh4_memory_capacity_adjustment_factor.attr,

	&dev_attr_wb_max_alloc_units.attr,

	&dev_attr_wb_max_wb_luns.attr,

	&dev_attr_wb_buff_cap_adj.attr,

	&dev_attr_wb_sup_red_type.attr,

	&dev_attr_wb_sup_wb_type.attr,

	NULL,

};
@@ -651,7 +670,7 @@ static ssize_t _name##_show(struct device *dev, \ 
	pm_runtime_put_sync(hba->dev);					\

	if (ret)							\

		return -EINVAL;						\

	return sprintf(buf, "%s\n", flag ? "true" : "false");		\

	return snprintf(buf, PAGE_SIZE, "%s\n", flag ? "true" : "false"); \

}									\

static DEVICE_ATTR_RO(_name)
@@ -663,6 +682,9 @@ UFS_FLAG(life_span_mode_enable, _LIFE_SPAN_MODE_ENABLE); 
UFS_FLAG(phy_resource_removal, _FPHYRESOURCEREMOVAL);

UFS_FLAG(busy_rtc, _BUSY_RTC);

UFS_FLAG(disable_fw_update, _PERMANENTLY_DISABLE_FW_UPDATE);

UFS_FLAG(wb_enable, _WB_EN);

UFS_FLAG(wb_flush_en, _WB_BUFF_FLUSH_EN);

UFS_FLAG(wb_flush_during_h8, _WB_BUFF_FLUSH_DURING_HIBERN8);



static struct attribute *ufs_sysfs_device_flags[] = {

	&dev_attr_device_init.attr,
@@ -673,6 +695,9 @@ static struct attribute *ufs_sysfs_device_flags[] = { 
	&dev_attr_phy_resource_removal.attr,

	&dev_attr_busy_rtc.attr,

	&dev_attr_disable_fw_update.attr,

	&dev_attr_wb_enable.attr,

	&dev_attr_wb_flush_en.attr,

	&dev_attr_wb_flush_during_h8.attr,

	NULL,

};
@@ -694,7 +719,7 @@ static ssize_t _name##_show(struct device *dev, \ 
	pm_runtime_put_sync(hba->dev);					\

	if (ret)							\

		return -EINVAL;						\

	return sprintf(buf, "0x%08X\n", value);				\

	return snprintf(buf, PAGE_SIZE, "0x%08X\n", value);		\

}									\

static DEVICE_ATTR_RO(_name)
@@ -714,6 +739,11 @@ UFS_ATTRIBUTE(exception_event_status, _EE_STATUS); 
UFS_ATTRIBUTE(ffu_status, _FFU_STATUS);

UFS_ATTRIBUTE(psa_state, _PSA_STATE);

UFS_ATTRIBUTE(psa_data_size, _PSA_DATA_SIZE);

UFS_ATTRIBUTE(wb_flush_status, _WB_FLUSH_STATUS);

UFS_ATTRIBUTE(wb_avail_buf, _AVAIL_WB_BUFF_SIZE);

UFS_ATTRIBUTE(wb_life_time_est, _WB_BUFF_LIFE_TIME_EST);

UFS_ATTRIBUTE(wb_cur_buf, _CURR_WB_BUFF_SIZE);





static struct attribute *ufs_sysfs_attributes[] = {

	&dev_attr_boot_lun_enabled.attr,
@@ -732,6 +762,10 @@ static struct attribute *ufs_sysfs_attributes[] = { 
	&dev_attr_ffu_status.attr,

	&dev_attr_psa_state.attr,

	&dev_attr_psa_data_size.attr,

	&dev_attr_wb_flush_status.attr,

	&dev_attr_wb_avail_buf.attr,

	&dev_attr_wb_life_time_est.attr,

	&dev_attr_wb_cur_buf.attr,

	NULL,

};
@@ -783,6 +817,8 @@ UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1); 
UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);

UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);

UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);

UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);





static struct attribute *ufs_sysfs_unit_descriptor[] = {

	&dev_attr_boot_lun_id.attr,
@@ -798,6 +834,7 @@ static struct attribute *ufs_sysfs_unit_descriptor[] = { 
	&dev_attr_physical_memory_resourse_count.attr,

	&dev_attr_context_capabilities.attr,

	&dev_attr_large_unit_granularity.attr,

	&dev_attr_wb_buf_alloc_units.attr,

	NULL,

};

drivers/scsi/ufs/ufs.h

+6 −0
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ enum device_desc_param { 
	DEVICE_DESC_PARAM_PSA_TMT		= 0x29,

	DEVICE_DESC_PARAM_PRDCT_REV		= 0x2A,

	DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP	= 0x4F,

	DEVICE_DESC_PARAM_WB_US_RED_EN		= 0x53,

	DEVICE_DESC_PARAM_WB_TYPE		= 0x54,

	DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS = 0x55,

};
@@ -252,6 +253,11 @@ 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_WB_MAX_ALLOC_UNITS	= 0x4F,

	GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS	= 0x53,

	GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ	= 0x54,

	GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE	= 0x55,

	GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE	= 0x56,

};



/* Health descriptor parameters offsets in bytes*/