x86/intel_rdt/mba: Add schemata file support for MBA
authorVikas Shivappa <vikas.shivappa@linux.intel.com>
Sat, 8 Apr 2017 00:33:57 +0000 (17:33 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 14 Apr 2017 14:10:09 +0000 (16:10 +0200)
commit64e8ed3d4a6dcd6139a869a3e760e625cb0d3022
treeb5b23d1788dc97344b32215fa801a2615ddd9498
parentc6ea67de52c29a8b45e5fc7569fc4336bfd557b0
x86/intel_rdt/mba: Add schemata file support for MBA

Add support to update the MBA bandwidth values for the domains via the
schemata file.

 - Verify that the bandwidth value is valid

 - Round to the next control step depending on the bandwidth granularity of
   the hardware

 - Convert the bandwidth to delay values and write the delay values to
   the corresponding domain PQOS_MSRs.

[ tglx: Massaged changelog ]

Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: vikas.shivappa@intel.com
Link: http://lkml.kernel.org/r/1491611637-20417-9-git-send-email-vikas.shivappa@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/include/asm/intel_rdt.h
arch/x86/kernel/cpu/intel_rdt.c
arch/x86/kernel/cpu/intel_rdt_schemata.c