From: Tomas Winkler <tomas.winkler@intel.com>
To: gregkh@linuxfoundation.org
Cc: arnd@arndb.de, linux-kernel@vger.kernel.org,
Tomas Winkler <tomas.winkler@intel.com>
Subject: [char-misc V2 RESEND] mei: add ABI documentation for fw_status exported through sysfs
Date: Fri, 19 Dec 2014 00:44:59 +0200 [thread overview]
Message-ID: <1418942699-18751-1-git-send-email-tomas.winkler@intel.com> (raw)
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
V2: rephrase the description
Documentation/ABI/testing/sysfs-class-mei | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-class-mei b/Documentation/ABI/testing/sysfs-class-mei
index 0ec8b8178c41..80d9888a8ece 100644
--- a/Documentation/ABI/testing/sysfs-class-mei
+++ b/Documentation/ABI/testing/sysfs-class-mei
@@ -14,3 +14,18 @@ Description:
The /sys/class/mei/meiN directory is created for
each probed mei device
+What: /sys/class/mei/meiN/fw_status
+Date: Nov 2014
+KernelVersion: 3.19
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description: Display fw status registers content
+
+ The ME FW writes its status information into fw status
+ registers for BIOS and OS to monitor fw health.
+
+ The register contains running state, power management
+ state, error codes, and others. The way the registers
+ are decoded depends on PCH or SoC generation.
+ Also number of registers varies between 1 and 6
+ depending on generation.
+
--
1.9.3
reply other threads:[~2014-12-18 22:46 UTC|newest]
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