diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ufs | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index 106687f4f6b7..0c7efaf62de0 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -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. |