[Xen-devel] [PATCH v6 COLO 00/15] COarse-grain LOck-stepping Virtual Machines for Non-stop Service

[Yang Hongyang <yanghy@xxxxxxxxxxxxxx>]

This patchset implemented the COLO feature for Xen.
For detail/install/use of COLO feature, refer to:
http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping

This patchset is based on:
[PATCH v2 COLOPre 00/13] Prerequisite patches for COLO

We only support hvm guest now. The codes are also hosted on github:
https://github.com/macrosheep/xen/tree/colo-v6

Patch 1    : Add readme
Patch 2-7: COLO framework related codes
Patch 8-9: Implement disk replication
Patch 10-15: Implement nic replication

Changelog from v5 to v6:
1. based on migration v2(libxc)
2. split the patchset into prerequisite patchset and this main patchset.

Changelog from v4 to v5:
1. rebase to the latest xen upstream
2. disk replication: blktap2->qdisk
3. nic replication: colo-agent->colo-proxy

Changelog from v3 to v4:
1. rebase to newest xen
2. bug fix

Changlog from v2 to v3:
1. rebase to newest remus
2. add nic replication support

Changlog from v1 to v2:
1. rebase to newest remus
2. add disk replication support

Wen Congyang (6):
  secondary vm suspend/resume/checkpoint code
  primary vm suspend/get_dirty_pfn/resume/checkpoint code
  send store mfn and console mfn to xl before resuming secondary vm
  implement the cmdline for COLO
  Support colo mode for qemu disk
  COLO: use qemu block replication

Yang Hongyang (9):
  docs: add colo readme
  libxc/restore: support COLO restore
  libxc/save: support COLO save
  COLO proxy: implement setup/teardown of COLO proxy module
  COLO proxy: preresume, postresume and checkpoint
  COLO nic: implement COLO nic subkind
  setup and control colo proxy on primary side
  setup and control colo proxy on secondary side
  cmdline switches and config vars to control colo-proxy

 docs/README.colo                     |    9 +
 docs/man/xl.conf.pod.5               |    6 +
 docs/man/xl.pod.1                    |   11 +-
 tools/hotplug/Linux/Makefile         |    1 +
 tools/hotplug/Linux/colo-proxy-setup |  131 ++++
 tools/libxc/include/xenguest.h       |   40 ++
 tools/libxc/xc_sr_common.h           |   11 +-
 tools/libxc/xc_sr_restore.c          |   67 +-
 tools/libxc/xc_sr_restore_x86_hvm.c  |    1 +
 tools/libxc/xc_sr_save.c             |   49 +-
 tools/libxl/Makefile                 |    4 +
 tools/libxl/libxl.c                  |   70 +-
 tools/libxl/libxl_colo.h             |   53 ++
 tools/libxl/libxl_colo_nic.c         |  317 +++++++++
 tools/libxl/libxl_colo_proxy.c       |  267 ++++++++
 tools/libxl/libxl_colo_qdisk.c       |  209 ++++++
 tools/libxl/libxl_colo_restore.c     | 1192 ++++++++++++++++++++++++++++++++++
 tools/libxl/libxl_colo_save.c        |  784 ++++++++++++++++++++++
 tools/libxl/libxl_create.c           |  156 ++++-
 tools/libxl/libxl_device.c           |   38 ++
 tools/libxl/libxl_dm.c               |  262 +++++++-
 tools/libxl/libxl_dom_save.c         |   17 +-
 tools/libxl/libxl_internal.h         |   94 ++-
 tools/libxl/libxl_qmp.c              |   31 +
 tools/libxl/libxl_save_callout.c     |    6 +-
 tools/libxl/libxl_save_msgs_gen.pl   |    9 +-
 tools/libxl/libxl_types.idl          |    8 +
 tools/libxl/libxlu_disk_l.l          |    5 +
 tools/libxl/xl.c                     |    3 +
 tools/libxl/xl.h                     |    1 +
 tools/libxl/xl_cmdimpl.c             |   92 ++-
 tools/libxl/xl_cmdtable.c            |    4 +-
 32 files changed, 3896 insertions(+), 52 deletions(-)
 create mode 100644 docs/README.colo
 create mode 100755 tools/hotplug/Linux/colo-proxy-setup
 create mode 100644 tools/libxl/libxl_colo.h
 create mode 100644 tools/libxl/libxl_colo_nic.c
 create mode 100644 tools/libxl/libxl_colo_proxy.c
 create mode 100644 tools/libxl/libxl_colo_qdisk.c
 create mode 100644 tools/libxl/libxl_colo_restore.c
 create mode 100644 tools/libxl/libxl_colo_save.c

-- 
1.9.1


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