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dmaengine: idxd: expose IAA CAP register via sysfs knob

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Add IAA (IAX) capability mask sysfs attribute to expose to applications.
The mask provides application knowledge of what capabilities this IAA
device supports. This mask is available for IAA 2.0 device or later.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lore.kernel.org/r/20230303213732.3357494-3-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Dave Jiang 2023-03-03 13:37:32 -08:00 • committed by Vinod Koul
commit 9f0d99b327
5 changed files with 58 additions and 0 deletions
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