[PATCH v2 0/3] hv: vmbus: add fuzz testing to hv device

This patchset introduces a testing framework for Hyper-V drivers.
This framework allows us to introduce delays in the packet receive
path on a per-device basis. While the current code only supports
introducing arbitrary delays in the host/guest communication path,
we intend to expand this to support error injection in the future.

Changes in v2:
  Patch 1: As per Vitaly's suggestion, wrapped the test code under an
           #ifdef and updated the Kconfig file, so that the test code
           will only be used when the config option is set to true.
           (default is false).

           Updated hyperv_vmbus header to contain new #ifdef with new
           new functions for the test code.

  Patch 2: Moved code from under sysfs to debugfs and wrapped it under
           the new ifdef.

           Updated MAINTAINERS file with new debugfs-hyperv file under
           the section for hyperv.

  Patch 3: Updated testing tool with new debugfs location.

Branden Bonaby (3):
  drivers: hv: vmbus: Introduce latency testing
  drivers: hv: vmbus: add fuzz test attributes to debugfs
  tools: hv: add vmbus testing tool

 Documentation/ABI/testing/debugfs-hyperv |  21 ++
 MAINTAINERS                              |   1 +
 drivers/hv/Kconfig                       |   7 +
 drivers/hv/connection.c                  |   3 +
 drivers/hv/hyperv_vmbus.h                |  20 ++
 drivers/hv/ring_buffer.c                 |   7 +
 drivers/hv/vmbus_drv.c                   | 167 ++++++++++++
 include/linux/hyperv.h                   |  21 ++
 tools/hv/vmbus_testing                   | 334 +++++++++++++++++++++++
 9 files changed, 581 insertions(+)
 create mode 100644 Documentation/ABI/testing/debugfs-hyperv
 create mode 100644 tools/hv/vmbus_testing

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2.17.1