Commit ef470b86 authored by Can Guo's avatar Can Guo Committed by Martin K. Petersen
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scsi: ufs: core: Update contact email for monitor sysfs nodes 



Update contact email addresses for Can Guo and Asutosh Das, replace Subhash
Jadavani's contact.

Signed-off-by: default avatarCan Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/20230630003913.3713155-1-quic_cang@quicinc.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 23815df5

Documentation/ABI/testing/sysfs-driver-ufs

+38 −38
Original line number Diff line number Diff line
@@ -994,7 +994,7 @@ Description: This file shows the amount of physical memory needed 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_lvl

What:		/sys/bus/platform/devices/*.ufs/rpm_lvl

Date:		September 2014

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry could be used to set or show the UFS device

		runtime power management level. The current driver

		implementation supports 7 levels with next target states:
@@ -1021,7 +1021,7 @@ Description: This entry could be used to set or show the UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state

What:		/sys/bus/platform/devices/*.ufs/rpm_target_dev_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target power mode of an UFS device

		for the chosen runtime power management level.
@@ -1030,7 +1030,7 @@ Description: This entry shows the target power mode of an UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_link_state

What:		/sys/bus/platform/devices/*.ufs/rpm_target_link_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target state of an UFS UIC link

		for the chosen runtime power management level.
@@ -1039,7 +1039,7 @@ Description: This entry shows the target state of an UFS UIC link 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_lvl

What:		/sys/bus/platform/devices/*.ufs/spm_lvl

Date:		September 2014

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry could be used to set or show the UFS device

		system power management level. The current driver

		implementation supports 7 levels with next target states:
@@ -1066,7 +1066,7 @@ Description: This entry could be used to set or show the UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state

What:		/sys/bus/platform/devices/*.ufs/spm_target_dev_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target power mode of an UFS device

		for the chosen system power management level.
@@ -1075,7 +1075,7 @@ Description: This entry shows the target power mode of an UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_link_state

What:		/sys/bus/platform/devices/*.ufs/spm_target_link_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target state of an UFS UIC link

		for the chosen system power management level.
@@ -1084,7 +1084,7 @@ Description: This entry shows the target state of an UFS UIC link 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable

What:		/sys/bus/platform/devices/*.ufs/monitor/monitor_enable

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the status of performance monitor enablement

		and it can be used to start/stop the monitor. When the monitor

		is stopped, the performance data collected is also cleared.
@@ -1092,7 +1092,7 @@ Description: This file shows the status of performance monitor enablement 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size

What:		/sys/bus/platform/devices/*.ufs/monitor/monitor_chunk_size

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file tells the monitor to focus on requests transferring

		data of specific chunk size (in Bytes). 0 means any chunk size.

		It can only be changed when monitor is disabled.
@@ -1100,7 +1100,7 @@ Description: This file tells the monitor to focus on requests transferring 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors

What:		/sys/bus/platform/devices/*.ufs/monitor/read_total_sectors

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many sectors (in 512 Bytes) have been

		sent from device to host after monitor gets started.
@@ -1109,7 +1109,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy

What:		/sys/bus/platform/devices/*.ufs/monitor/read_total_busy

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how long (in micro seconds) has been spent

		sending data from device to host after monitor gets started.
@@ -1118,7 +1118,7 @@ Description: This file shows how long (in micro seconds) has been spent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests

What:		/sys/bus/platform/devices/*.ufs/monitor/read_nr_requests

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many read requests have been sent after

		monitor gets started.
@@ -1127,7 +1127,7 @@ Description: This file shows how many read requests have been sent after 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_max

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the maximum latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1136,7 +1136,7 @@ Description: This file shows the maximum latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_min

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the minimum latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1145,7 +1145,7 @@ Description: This file shows the minimum latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_avg

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the average latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1154,7 +1154,7 @@ Description: This file shows the average latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_sum

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the total latency (in micro seconds) of

		read requests sent after monitor gets started.
@@ -1163,7 +1163,7 @@ Description: This file shows the total latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors

What:		/sys/bus/platform/devices/*.ufs/monitor/write_total_sectors

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many sectors (in 512 Bytes) have been sent

		from host to device after monitor gets started.
@@ -1172,7 +1172,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been sent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy

What:		/sys/bus/platform/devices/*.ufs/monitor/write_total_busy

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how long (in micro seconds) has been spent

		sending data from host to device after monitor gets started.
@@ -1181,7 +1181,7 @@ Description: This file shows how long (in micro seconds) has been spent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests

What:		/sys/bus/platform/devices/*.ufs/monitor/write_nr_requests

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many write requests have been sent after

		monitor gets started.
@@ -1190,7 +1190,7 @@ Description: This file shows how many write requests have been sent after 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_max

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the maximum latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1199,7 +1199,7 @@ Description: This file shows the maximum latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_min

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the minimum latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1208,7 +1208,7 @@ Description: This file shows the minimum latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_avg

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the average latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1217,7 +1217,7 @@ Description: This file shows the average latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_sum

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the total latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1226,7 +1226,7 @@ Description: This file shows the total latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_presv_us_en

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows if preserve user-space was configured



		The file is read only.
@@ -1234,7 +1234,7 @@ Description: This entry shows if preserve user-space was configured 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_shared_alloc_units

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_shared_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the shared allocated units of WB buffer



		The file is read only.
@@ -1242,7 +1242,7 @@ Description: This entry shows the shared allocated units of WB buffer 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_type

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the configured WB type.

		0x1 for shared buffer mode. 0x0 for dedicated buffer mode.
@@ -1251,7 +1251,7 @@ Description: This entry shows the configured WB type. 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_buff_cap_adj

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_buff_cap_adj

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the total user-space decrease in shared

		buffer mode.

		The value of this parameter is 3 for TLC NAND when SLC mode
@@ -1262,7 +1262,7 @@ Description: This entry shows the total user-space decrease in shared 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_alloc_units

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the Maximum total WriteBooster Buffer size

		which is supported by the entire device.
@@ -1271,7 +1271,7 @@ Description: This entry shows the Maximum total WriteBooster Buffer size 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_wb_luns

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_wb_luns

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the maximum number of luns that can support

		WriteBooster.
@@ -1280,7 +1280,7 @@ Description: This entry shows the maximum number of luns that can support 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_red_type

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_red_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	The supportability of user space reduction mode

		and preserve user space mode.

		00h: WriteBooster Buffer can be configured only in
@@ -1295,7 +1295,7 @@ Description: The supportability of user space reduction mode 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_wb_type

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_wb_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	The supportability of WriteBooster Buffer type.



		===  ==========================================================
@@ -1310,7 +1310,7 @@ Description: The supportability of WriteBooster Buffer type. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_enable

What:		/sys/bus/platform/devices/*.ufs/flags/wb_enable

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the status of WriteBooster.



		== ============================
@@ -1323,7 +1323,7 @@ Description: This entry shows the status of WriteBooster. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_en

What:		/sys/bus/platform/devices/*.ufs/flags/wb_flush_en

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows if flush is enabled.



		== =================================
@@ -1336,7 +1336,7 @@ Description: This entry shows if flush is enabled. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_during_h8

What:		/sys/bus/platform/devices/*.ufs/flags/wb_flush_during_h8

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	Flush WriteBooster Buffer during hibernate state.



		== =================================================
@@ -1351,7 +1351,7 @@ Description: Flush WriteBooster Buffer during hibernate state. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_avail_buf

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_avail_buf

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the amount of unused WriteBooster buffer

		available.
@@ -1360,7 +1360,7 @@ Description: This entry shows the amount of unused WriteBooster buffer 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_cur_buf

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_cur_buf

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the amount of unused current buffer.



		The file is read only.
@@ -1368,7 +1368,7 @@ Description: This entry shows the amount of unused current buffer. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_flush_status

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_flush_status

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the flush operation status.
@@ -1385,7 +1385,7 @@ Description: This entry shows the flush operation status. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_life_time_est

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_life_time_est

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows an indication of the WriteBooster Buffer

		lifetime based on the amount of performed program/erase cycles
@@ -1399,7 +1399,7 @@ Description: This entry shows an indication of the WriteBooster Buffer 


What:		/sys/class/scsi_device/*/device/unit_descriptor/wb_buf_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the configured size of WriteBooster buffer.

		0400h corresponds to 4GB.