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path: root/fs/ocfs2/ioctl.c
AgeCommit message (Expand)Author
2008-04-19[PATCH] r/o bind mounts: elevate write count for ioctls()Dave Hansen
2008-04-18ocfs2: Convert ocfs2 over to unlocked_ioctlAndi Kleen
2008-04-18ocfs2: Move o2hb functionality into the stack glue.Joel Becker
2008-01-25ocfs2: Add missing permission checksMark Fasheh
2008-01-25[PATCH 2/2] ocfs2: Implement group add for online resizeTao Ma
2008-01-252007-07-17Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid checkSatyam Sharma
2007-07-10ocfs2: Support xfs style space reservation ioctlsMark Fasheh
2007-05-02[PATCH] Copy i_flags to ocfs2 inode flags on writeJan Kara
2007-05-02ocfs2: Implement compat_ioctl()Mark Fasheh
2006-12-01ocfs2: Remove struct ocfs2_journal_handle in favor of handle_tMark Fasheh
2006-12-01ocfs2: remove handle argument to ocfs2_start_trans()Mark Fasheh
2006-12-01ocfs2: pass ocfs2_super * into ocfs2_commit_trans()Mark Fasheh
2006-12-01ocfs2: remove unused handle argument from ocfs2_meta_lock_full()Mark Fasheh
2006-09-20[PATCH] fs/ocfs2/ioctl.c should #include "ioctl.h"Adrian Bunk
2006-09-20ocfs2: add ext2 attributesHerbert Poetzl
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Kernel driver ibmaem
======================

This driver talks to the IBM Systems Director Active Energy Manager, known
henceforth as AEM.

Supported systems:
  * Any recent IBM System X server with AEM support.
    This includes the x3350, x3550, x3650, x3655, x3755, x3850 M2,
    x3950 M2, and certain HC10/HS2x/LS2x/QS2x blades.  The IPMI host interface
    driver ("ipmi-si") needs to be loaded for this driver to do anything.
    Prefix: 'ibmaem'
    Datasheet: Not available

Author: Darrick J. Wong

Description
-----------

This driver implements sensor reading support for the energy and power meters
available on various IBM System X hardware through the BMC.  All sensor banks
will be exported as platform devices; this driver can talk to both v1 and v2
interfaces.  This driver is completely separate from the older ibmpex driver.

The v1 AEM interface has a simple set of features to monitor energy use.  There
is a register that displays an estimate of raw energy consumption since the
last BMC reset, and a power sensor that returns average power use over a
configurable interval.

The v2 AEM interface is a bit more sophisticated, being able to present a wider
range of energy and power use registers, the power cap as set by the AEM
software, and temperature sensors.

Special Features
----------------

The "power_cap" value displays the current system power cap, as set by the AEM
software.  Setting the power cap from the host is not currently supported.