diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-ata | 11 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-dmi-entries (renamed from Documentation/ABI/testing/sysfs-firmware-dmi) | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-dmi-tables | 22 |
3 files changed, 34 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-ata b/Documentation/ABI/testing/sysfs-ata index 0a932155cbba..aa4296498859 100644 --- a/Documentation/ABI/testing/sysfs-ata +++ b/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. diff --git a/Documentation/ABI/testing/sysfs-firmware-dmi b/Documentation/ABI/testing/sysfs-firmware-dmi-entries index c78f9ab01e56..210ad44b95a5 100644 --- a/Documentation/ABI/testing/sysfs-firmware-dmi +++ b/Documentation/ABI/testing/sysfs-firmware-dmi-entries @@ -1,4 +1,4 @@ -What: /sys/firmware/dmi/ +What: /sys/firmware/dmi/entries/ Date: February 2011 Contact: Mike Waychison <mikew@google.com> Description: diff --git a/Documentation/ABI/testing/sysfs-firmware-dmi-tables b/Documentation/ABI/testing/sysfs-firmware-dmi-tables new file mode 100644 index 000000000000..ff3cac8ed0bd --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-dmi-tables @@ -0,0 +1,22 @@ +What: /sys/firmware/dmi/tables/ +Date: April 2015 +Contact: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com> +Description: + The firmware provides DMI structures as a packed list of + data referenced by a SMBIOS table entry point. The SMBIOS + entry point contains general information, like SMBIOS + version, DMI table size, etc. The structure, content and + size of SMBIOS entry point is dependent on SMBIOS version. + The format of SMBIOS entry point and DMI structures + can be read in SMBIOS specification. + + The dmi/tables provides raw SMBIOS entry point and DMI tables + through sysfs as an alternative to utilities reading them + from /dev/mem. The raw SMBIOS entry point and DMI table are + presented as binary attributes and are accessible via: + + /sys/firmware/dmi/tables/smbios_entry_point + /sys/firmware/dmi/tables/DMI + + The complete DMI information can be obtained using these two + tables. |