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-rw-r--r--Documentation/ABI/testing/sysfs-ibft10
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diff --git a/Documentation/ABI/testing/sysfs-ibft b/Documentation/ABI/testing/sysfs-ibft
index cac3930bdb04..7d6725fe6143 100644
--- a/Documentation/ABI/testing/sysfs-ibft
+++ b/Documentation/ABI/testing/sysfs-ibft
@@ -21,3 +21,13 @@ Contact: Konrad Rzeszutek <ketuzsezr@darnok.org>
Description: The /sys/firmware/ibft/ethernetX directory will contain
files that expose the iSCSI Boot Firmware Table NIC data.
Usually this contains the IP address, MAC, and gateway of the NIC.
+
+What: /sys/firmware/ibft/acpi_header
+Date: March 2016
+Contact: David Bond <dbond@suse.com>
+Description: The /sys/firmware/ibft/acpi_header directory will contain files
+ that expose the SIGNATURE, OEM_ID, and OEM_TABLE_ID fields of the
+ acpi table header of the iBFT structure. This will allow for
+ identification of the creator of the table which is useful in
+ determining quirks associated with some adapters when used in
+ hardware vs software iscsi initiator mode.