dmaengine: idxd: add command status to idxd sysfs attribute

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Export admin command status to sysfs attribute in order to allow user to
retrieve configuration error. Allows user tooling to retrieve the command
error and provide more user friendly error messages.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/159865278770.29455.8026892329182750127.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2020-08-28 15:13:55 -07:00 • committed by Vinod Koul

parent e7184b159d

commit ff18de55a6

4 changed files with 22 additions and 1 deletions

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6

Documentation/ABI/stable/sysfs-driver-dma-idxd

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6

drivers/dma/idxd/device.c

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1

drivers/dma/idxd/idxd.h

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10

drivers/dma/idxd/sysfs.c

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