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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2025-04-08 22:04:31 -0400 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-04-08 22:04:31 -0400 |
| commit | a1af6f1a1433348c93f0b3a7a64f20a0a898ef78 (patch) | |
| tree | fb1fbc7d6ae05cea61c241243c474322fa5efdf3 /Documentation | |
| parent | 0af2f6be1b4281385b618cb86ad946eded089ac8 (diff) | |
| parent | 1b4902f0a4f20aaea14d51a378368fa697467901 (diff) | |
| download | linux-next-a1af6f1a1433348c93f0b3a7a64f20a0a898ef78.tar.gz linux-next-a1af6f1a1433348c93f0b3a7a64f20a0a898ef78.zip | |
Merge branch '6.15/scsi-queue' into 6.15/scsi-fixes
Pull in remaining fixes from 6.15/scsi-queue.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ufs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index ae0191295d29..e36d2de16cbd 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -1604,3 +1604,35 @@ Description: prevent the UFS from frequently performing clock gating/ungating. The attribute is read/write. + +What: /sys/bus/platform/drivers/ufshcd/*/device_lvl_exception_count +What: /sys/bus/platform/devices/*.ufs/device_lvl_exception_count +Date: March 2025 +Contact: Bao D. Nguyen <quic_nguyenb@quicinc.com> +Description: + This attribute is applicable to ufs devices compliant to the + JEDEC specifications version 4.1 or later. The + device_lvl_exception_count is a counter indicating the number of + times the device level exceptions have occurred since the last + time this variable is reset. Writing a 0 value to this + attribute will reset the device_lvl_exception_count. If the + device_lvl_exception_count reads a positive value, the user + application should read the device_lvl_exception_id attribute to + know more information about the exception. + + The attribute is read/write. + +What: /sys/bus/platform/drivers/ufshcd/*/device_lvl_exception_id +What: /sys/bus/platform/devices/*.ufs/device_lvl_exception_id +Date: March 2025 +Contact: Bao D. Nguyen <quic_nguyenb@quicinc.com> +Description: + Reading the device_lvl_exception_id returns the + qDeviceLevelExceptionID attribute of the ufs device JEDEC + specification version 4.1. The definition of the + qDeviceLevelExceptionID is the ufs device vendor specific + implementation. Refer to the device manufacturer datasheet for + more information on the meaning of the qDeviceLevelExceptionID + attribute value. + + The attribute is read only. |