[v1] Expose IAA 2.0 device capabilities

[PATCH 0/2] Expose IAA 2.0 device capabilities

Fenghua Yu posted 2 patches 2 years, 11 months ago

Diff against v2
Download series mbox

There is a newer version of this series

.../ABI/stable/sysfs-driver-dma-idxd          |  8 +++++
drivers/dma/idxd/idxd.h                       |  2 ++
drivers/dma/idxd/init.c                       |  6 +++-
drivers/dma/idxd/registers.h                  | 21 ++++++++++++
drivers/dma/idxd/sysfs.c                      | 34 +++++++++++++++----
5 files changed, 64 insertions(+), 7 deletions(-)

Expand all Fold all

[PATCH 0/2] Expose IAA 2.0 device capabilities

Posted by Fenghua Yu 2 years, 11 months ago

In-memory Analytics Accelerator (IAA) 2.0 [1] introduces General
Capabilities Register (GENCAP). Add a sysfs attribute to expose the
register to applications.

This series is applied cleanly on top of DSA 2.0 Event Log and Completion
Record Faulting series: 
https://lore.kernel.org/dmaengine/20230103163505.1569356-1-fenghua.yu@intel.com/T/#m13ba6167994f3add6446d2d7e242ecb637c54426

[1] IAA 2.0 spec: https://cdrdv2-public.intel.com/721858/350295-iaa-specification.pdf

Dave Jiang (2):
  dmaengine: idxd: reformat swerror output to standard Linux bitmap
    output
  dmaengine: idxd: expose IAA CAP register via sysfs knob

 .../ABI/stable/sysfs-driver-dma-idxd          |  8 +++++
 drivers/dma/idxd/idxd.h                       |  2 ++
 drivers/dma/idxd/init.c                       |  6 +++-
 drivers/dma/idxd/registers.h                  | 21 ++++++++++++
 drivers/dma/idxd/sysfs.c                      | 34 +++++++++++++++----
 5 files changed, 64 insertions(+), 7 deletions(-)

-- 
2.32.0