These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / ABI / testing / sysfs-ata

diff --git a/kernel/Documentation/ABI/testing/sysfs-ata b/kernel/Documentation/ABI/testing/sysfs-ata
index 0a93215..aa42964 100644 (file)
--- a/kernel/Documentation/ABI/testing/sysfs-ata
+++ b/kernel/Documentation/ABI/testing/sysfs-ata
@@ -90,6 +90,17 @@ gscr
        130:    SATA_PMP_GSCR_SII_GPIO
        Only valid if the device is a PM.
 
+trim
+
+       Shows the DSM TRIM mode currently used by the device. Valid
+       values are:
+       unsupported:            Drive does not support DSM TRIM
+       unqueued:               Drive supports unqueued DSM TRIM only
+       queued:                 Drive supports queued DSM TRIM
+       forced_unqueued:        Drive's queued DSM support is known to be
+                               buggy and only unqueued TRIM commands
+                               are sent
+
 spdn_cnt
 
        Number of time libata decided to lower the speed of link due to errors.