[Xen-devel] [PATCH 0/6] enable Cache Allocation Technology (CAT) for VMs

[Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>]

This patch serial enable the new Cache Allocation Technology (CAT) feature
found in Intel Broadwell and later server platform. On XEN implementation,
CAT is used to control cache allocation on VM basis.

Detail hardware spec can be found in section 17.15 of the Intel SDM [1].
The design for XEN can be found at [2].

[1] Intel SDM 
(http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-manual-325462.pdf)
[2] CAT design for XEN( 
http://lists.xen.org/archives/html/xen-devel/2014-12/msg01382.html)


Chao Peng (6):
  x86: detect and initialize Intel CAT feature
  x86: add support for COS/CBM manangement
  X86: improve psr scheduling code
  x86: add scheduling support for Intel CAT
  xsm: add CAT related xsm policies
  tools: add tools support for Intel CAT

 docs/misc/xen-command-line.markdown          |  15 +-
 tools/flask/policy/policy/modules/xen/xen.if |   2 +-
 tools/flask/policy/policy/modules/xen/xen.te |   4 +-
 tools/libxc/include/xenctrl.h                |  15 +
 tools/libxc/xc_psr.c                         |  74 +++++
 tools/libxl/libxl.h                          |  18 ++
 tools/libxl/libxl_psr.c                      | 106 ++++++-
 tools/libxl/libxl_types.idl                  |   4 +
 tools/libxl/xl.h                             |   4 +
 tools/libxl/xl_cmdimpl.c                     | 225 +++++++++++++-
 tools/libxl/xl_cmdtable.c                    |  13 +
 xen/arch/x86/domain.c                        |  13 +-
 xen/arch/x86/domctl.c                        |  18 ++
 xen/arch/x86/psr.c                           | 436 +++++++++++++++++++++++++--
 xen/arch/x86/sysctl.c                        |  20 ++
 xen/include/asm-x86/cpufeature.h             |   1 +
 xen/include/asm-x86/domain.h                 |   5 +-
 xen/include/asm-x86/msr-index.h              |   1 +
 xen/include/asm-x86/psr.h                    |  11 +-
 xen/include/public/domctl.h                  |  12 +
 xen/include/public/sysctl.h                  |  16 +
 xen/xsm/flask/hooks.c                        |   6 +
 xen/xsm/flask/policy/access_vectors          |   6 +
 23 files changed, 977 insertions(+), 48 deletions(-)

-- 
1.9.1


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